Patients electrodes implanted. Medical search. Frequent questions

With a type of electrode that can be injected as a liquid and then cure in the body, the researchers have laid the groundwork for a new kind of neural interface system. (medicaldesignbriefs.com)
This eerie feat is possible because the researchers, led by Brown neuroscientist John Donoghue, have implanted a tiny array of electrodes in the monkey's brain. (technologyreview.com)
Combining deep-brain stimulation with intracranial EEG, researchers achieved an individualized understanding of specific brain networks that contributed to an individual's depression symptoms and identified stimulation patterns best suited to each patient for symptom relief. (neurosciencenews.com)
Researchers have discovered how to detect abnormal brain rhythms associated with Parkinson's disease by implanting electrodes into the brains of patients with this neurodegenerative disorder. (neurosciencenews.com)
With small surgically implanted electrodes, researchers can simultaneously monitor the electrical activity of hundreds of neurons. (nih.gov)
Once the electrodes are implanted, researchers observe the participant's brain activity while ensuring the participant is medically sound. (extremetech.com)
In a small study, researchers used a device that stimulates the spinal cord to restore arm and hand mobility in two stroke patients, allowing them to perform daily life activities, such as using a fork to eat a meal. (nih.gov)
Building on years of extensive preclinical studies using computer modeling and non-human primates, and a pilot study in humans, researchers tested the new therapy in two stroke patients with moderate to severe motor impairments. (nih.gov)
Researchers then used the computer model to convert the electrode signals into audio. (smithsonianmag.com)
For some time, researchers have wondered why the electrode materials - which are fairly brittle - don't crack in the expansion and contraction styles. (electrochem.org)
For this patient, the researchers used stereo-EEG, a method of placing recording electrodes within the brain, to analyze brain network activity. (nih.gov)
After implanting the leads and electrodes, the researchers performed continuous, high-resolution recordings for nine days while the patient carried out specific behavioral tasks, engaged in unstructured behavior, and received stimulation. (nih.gov)
The resulting data enabled the researchers to generate personalized stimulation parameters for the patient, an alternative to the trial-and-error approach that scientists often use to determine stimulation parameters. (nih.gov)
In the outpatient portion of the trial, the researchers performed personalized DBS with the patient for eight months using the stimulation parameters they had determined. (nih.gov)
The researchers then started a blinded portion of the trial, in which they reduced stimulation at times unknown to the patient. (nih.gov)
Four baby aspirin-sized sensors implanted in Bennett's brain are now converting her brain waves into words on a computer screen at 62 words per minute -- more than three times faster than the previous record for BCI-assisted communication, Stanford University researchers report. (upi.com)
Researchers at the Technical University of Munich (TUM) and NTT Research have now developed flexible electrodes produced with 4D printing technology. (medicalxpress.com)
Researchers at the Technical University of Munich and the Medical & Health Informatics (MEI) Lab at NTT Research have now developed 4D-printed electrodes that wrap themselves around ultra-thin nerve fibers when inserted into moist tissue. (medicalxpress.com)
He is among a packed roster of researchers, anatomists and physicians from Purdue and far beyond West Lafayette who have experimented with electrode and stimulator surgical implants on the stomachs of those suffering from gastroparesis. (purdue.edu)
The researchers placed speakers emitting various sounds at the patients' bedside and compared data from the implanted electrodes - neural activity and electrical waves in different areas of the brain - during wakefulness vs. various stages of sleep. (jewishpress.com)
So far the researchers have worked on a microscale, but now when there is a functioning method using flexible electrodes that do not damage the brain, there is increasing interest in trying to make it work on a nanoscale. (lu.se)
Super-thin flexible electrodes that can be placed exactly where the researchers want them and that register signals from single, or a few, cells are interesting tools for basic research, but what medical applications are in the pipeline? (lu.se)

So the scientists recruited a series of epilepsy patients who already had surgically implanted electrodes as part of their treatment. (wshu.org)

If strips or grids of electrodes are implanted over the bare cortex in the subdural space, we use the term electrocorticography or ECoG. (stanford.edu)
Evidence for a similar cortical specialization in humans has come from epilepsy patients with implanted subdural electrodes. (jneurosci.org)
We present a new subdural electrode design that will allow better sampling of suspected areas of epileptogenicity with lower risk to patients. (dovepress.com)
Performance comparisons were made using microelectrode recordings from rat cortex and subdural/depth recordings from epileptic patients. (dovepress.com)
The proposed subdural electrode system features attributes that could potentially translate into better icEEG recordings and allow sampling of large of areas of epileptogenicity at lower risk to patients. (dovepress.com)
An illustration depicting the UCSF team's implant of a subdural, high-density, multi-electrode array over the area of the sensorimotor cortex that controls speech. (medscape.com)

This explains the clinical presentation of Parkinson's patients. (scienceblogs.com)
Parkinson's patients have a lot of trouble with motion because they have trouble initiating motions. (scienceblogs.com)
Patients with lesion-induced parkinsonism aren't diagnosed with Parkinson's disease, exactly, but their slowed movement, rigid musculature and tremor are nearly identical to those with "classical" Parkinson's disease. (scientificamerican.com)
This resting tremor, which can occur as an isolated symptom or be seen in other disorders, is often a precursor to Parkinson's disease (more than 25 percent of patients with Parkinson's disease have an associated action tremor). (citizendium.org)
Deep Brain Stimulation (DBS), a neurosurgical procedure used to manage Parkinson's disease, entails the placement of electrodes in specific brain regions to regulate abnormal impulses and enhance motor function in Parkinson's patients. (medgadget.com)
DBS involves implanting electrodes into specific brain regions to manage Parkinson's disease symptoms. (medgadget.com)
Consequently, this segment is experiencing revenue growth as hospitals remain the preferred choice for Parkinson's disease patients seeking DBS treatment. (medgadget.com)
More than 100,000 patients worldwide have received DBS, mostly to treat Parkinson's disease, according to Medtronic, a prominent supplier of DBS devices. (the-scientist.com)
CINCINNATI -- A Mayfield Brain & Spine neurosurgeon has performed Ohio's first implantation of a new deep brain stimulation ( DBS ) device designed to maximize benefits and minimize unwanted side effects in patients who are treated for Parkinson's disease or essential tremor . (mayfieldclinic.com)
DBS can reduce symptoms of tremor, slowness of movement, and stiffness in patients with Parkinson's and essential tremor. (mayfieldclinic.com)
The method has been applied for quite long periods in patients with Parkinson's disease in order to reduce the tremors associated with the condition. (lu.se)
The clinical use of the new electrodes include application for symptomatic relief of chronic pain and movement disorders such as Parkinson's disease, improving control of prostheses in paralyzed patients and diagnostics in patients suffering from drug resistant epilepsy. (lu.se)

This is where the flexible electrodes might be applied to facilitate stimulating nerves more selectively in the future," says Professor Clemens Heiser, senior physician at the Department of Otolaryngology at the TUM University Hospital Klinikum rechts der Isar. (medicalxpress.com)
Jens Schouenborg and his research group have been working for a long time on developing thinner and more flexible electrodes that can follow the brain's natural movements. (lu.se)
It was shown that thin, flexible electrodes with approximately the same density as brain tissue caused the least damage. (lu.se)
We succeeded in showing that super-thin flexible electrodes can be implanted in the brain without damaging it, and that kill-zones are practically non-existent around this type of implant. (lu.se)
"At the moment we are working on the nanostructuring of the super-thin, flexible electrodes", says Jens Schouenborg, somewhat cryptically. (lu.se)
An important aspect is to ensure positional stability of the implanted flexible electrodes for long periods of time, using highly innovative methods and techniques, as this is required for advanced analysis of neuronal network functions. (lu.se)

Called deep brain stimulation, the experimental surgery involves the implanting of electrodes deep inside the brain to produce a constant, weak electrical stimulation to a target area in the brain -- called area 25 -- that plays a critical role in depression. (npr.org)
Clinical Implications: Pain in patients with DPNP involves a range of threatening pain sensations, including sensations with burning, shooting, tingling, or cramping qualities, and additional more cognitive meanings linked to persistent pain, including a sense that pain disrupts daily life in an intrusive way. (researchgate.net)
This treatment involves placing electrodes over the areas where pain occurs. (medicalnewstoday.com)
According to Harry Tamm, MD, a neurologist with HonorHealth Neurology in partnership with Phoenix Neurological Associates, "DBS is a surgical procedure which involves placing electrodes in the brain. (abc15.com)
The treatment involves implanting a small electrode into a person's neck near the vagus nerve. (banishtinnitus.net)
DBS surgery involves the implantation of electrodes deep within the brain. (mayfieldclinic.com)
This involves a single-use electrode patch stuck to the forehead, which sends small electrical pulses through the skin during sleep. (bvsalud.org)

Before implantation, doctors do a trial run using a thin wire electrode to determine patient response. (medicalnewstoday.com)
Because chronic implantation of intracranial electrodes carries a risk of infection, hemorrhage, and edema, it is best to limit the number of electrodes used without compromising the ability to localize the epileptogenic zone (EZ). (dovepress.com)
During the electrode implantation process, which is often completed using only local anesthesia so patients remain awake and responsive, surgeons conduct physiological mapping to identify the optimal brain target. (the-scientist.com)
Left-sided cochlear implantation was performed using a conventional length lateral wall electrode. (hindawi.com)
We report the third case of cochlear implantation in a patient with CMT. (hindawi.com)
In patients with CMT, cochlear implantation may reconstitute synchronous neural activity by way of supraphysiological electrical stimulation. (hindawi.com)
Our results corroborate two earlier reports that cochlear implantation is a viable option for rehabilitation of SNHL in this unique subset of patients. (hindawi.com)
We present a patient with CMT-associated deafness successfully treated with cochlear implantation. (hindawi.com)
The focus is on developing truly biocompatible electrode constructions and implantation methods that cause minimal injury or irritation of the brain tissue, ensuring that physiological conditions are preserved. (lu.se)

The electric implant is embedded in the neck of patients with rheumatoid arthritics, the implant sends electrical signals to electrodes in the vagus nerve. (wikipedia.org)
The patient then listens to specific tones that are paired with small electric pulses sent to the vagus nerve. (banishtinnitus.net)
Electrode and stimulator development for gastroparesis was encouraged by electrode treatment on the vagus nerve for patients with drug-resistant epilepsy. (purdue.edu)
Just how much stimulation to the vagus nerve is needed to treat gastroparesis depends on the patient. (purdue.edu)

Then they can use a basic transcutaneous electrical nerve stimulation, or TENS, unit - the kind you can buy at a department store or pharmacy - to stimulate the nerve from the surface of the skin, making the whole setup less expensive and more adaptable compared to traditional implanted electrodes. (medicaldesignbriefs.com)
[ 1 ] Advances in surgical reconstruction and functional electrical stimulation (FES) also may enhance the patients' functional abilities. (medscape.com)
An X-ray shows two deep brain stimulation electrodes implanted on either side of a patient's brain. (npr.org)
Future studies will examine ways to further optimize stimulation protocols and determine which stroke patients can benefit most from the therapy. (nih.gov)
One of the most frequent questions directed to our Medical Affairs division is, "Is it safe to deliver TMS (transcranial magnetic stimulation) to individuals with an implanted device? (psychiatrist.com)
They received electrode implants in the brain and, with stimulation from the electrodes, saw improvements in cognitive performance. (massdevice.com)
Traditional neuronal interfaces utilize metallic electrodes which in recent years have reached a plateau in terms of the ability to provide safe stimulation at high resolution or rather with high densities of microelectrodes with improved spatial selectivity. (frontiersin.org)
Deep-brain stimulation is allowing neurosurgeons to adjust the neural activity in specific brain regions to treat thousands of patients with myriad neurological disorders. (the-scientist.com)
This procedure, known as deep-brain stimulation (DBS), was first tried for the treatment of pain in the 1960s, and has since been attempted in patients with numerous other neurologic disorders. (the-scientist.com)
By observing patients' behavioral changes following the stimulation or inhibition of specific neural circuits, DBS is helping to explain what goes wrong in the brain to cause symptoms, as well as helping to reveal important commonalities between diverse disorders. (the-scientist.com)
While still in an early development stage, the electrodes may provide an important means of deploying peripheral nerve stimulation for broader clinical application in the future. (medicalxpress.com)
One stimulation level or electrode placement on the stomach that might show positive results in one patient probably won't in the next. (purdue.edu)
The patients volunteered to help examine the brain's response to auditory stimulation in wakefulness vs. sleep. (jewishpress.com)
Evaluate the Usability of the Neuro-trigger Artificial Eye Blinking Stimulation Device in Patients With Paralysis of the Facial Nerve. (who.int)
A Single Center, Open Label, Pilot Study to Evaluate the Usability of the Neuro-trigger Artificial Eye Blinking Stimulation Device in Patients With Paralysis of the Facial Nerve. (who.int)

The participants in Cyberkinetics' first human tests will be "locked-in" patients who, due to injury, stroke or neurological disease, are completely paralyzed, unable even to communicate except via subtle movements of their eyes. (technologyreview.com)
Implants can roughly be categorized into groups by application: Sensory and neurological implants are used for disorders affecting the major senses and the brain, as well as other neurological disorders. (wikipedia.org)
19th-century neurologists like Paul Broca made foundational discoveries by studying patients with peculiar symptoms resulting from these common neurological insults. (scientificamerican.com)

The electrodes, connected to a stimulator device that resembles a pacemaker, deliver electric pulses to regulate brain activity. (mayfieldclinic.com)
The implant is a neural stimulator with an electrode array surgically placed near the auditory nerve fibers in the scala tympani of the cochlea. (cdc.gov)

The electrodes intercept signals from individual neurons in the brain, and a specially developed computer algorithm translates these signals into trajectories and velocities for the computer cursor. (technologyreview.com)
Their hope is that their brain-machine interface system will give patients paralyzed by spinal-cord injuries or neurodegenerative diseases new abilities to interact with the world around them-using nothing more than the power of their thoughts. (technologyreview.com)
And while much development remains to be done, a system like Cyberkinetics' that taps directly into the brain could theoretically give paralyzed patients the means to control computers, robotic aids-and perhaps even their own muscles. (technologyreview.com)
To date, only one company has conducted human tests of a brain-recording implant with the aim of helping restore function in paralyzed patients: Atlanta, GA-based Neural Signals. (technologyreview.com)
The experimental group had stimulating electrodes implanted into the subthalamic nuclei (STN) of their brain in addition to treatment with L-dopa. (scienceblogs.com)
We record directly from inside the brain in neurosurgical patients that are implanted with multiple electrodes across different anatomical and functional systems. (stanford.edu)
Our research is beneficial to each individual patient who volunteers to participate in our cognitive and behavioral experiments because we map the location of functional units within each patient's brain and share this information with clinicians to make more precise and safer surgical plans and prevent major cognitive deficits after surgery. (stanford.edu)
If electrodes are inserted as thin wires of intracranial electrodes through small burr holes in pre-defined stereotactic coordinates of the brain without opening the skull bone, we refer to it as stereotaxic-EEG or simply stereo-EEG or sEEG. (stanford.edu)
The new technique allows for more accurate placement of the electrodes in the brain and is likely to be safer for patients. (neurosciencenews.com)
Brain-computer interfaces are being developed to help paralyzed patients as well as to study the function of healthy brains. (nih.gov)
Throw that mood ring away-these brain electrodes can tell scientists exactly how you're feeling at any given time. (extremetech.com)
At the center of the technology are a series of 14 electrodes, which neurosurgeons implant deep within the anterior cingulate cortex and orbitofrontal cortex-two regions of the brain that are involved in mood regulation. (extremetech.com)
DBS electrodes implanted into the brain of an obsessive-compulsive disorder patient in 2013. (extremetech.com)
While four externally-fed electrodes are removed from the patient's brain after the initial nine-day observation period, the others are left behind and energized by a rechargeable battery implanted in the participant's chest. (extremetech.com)
A precisely timed pulse to a brain area just behind the ear can help reduce memory deficits in patients suffering moderate to severe traumatic brain injuries. (wshu.org)
We have patients whose family cannot leave them alone at home because they will turn on the stove and forget to turn it off," says Dr. Ramon Diaz-Arrastia , who directs the Traumatic Brain Injury Clinical Research Center at the University of Pennsylvania. (wshu.org)
It requires patients to have electrodes surgically implanted in their brain. (wshu.org)
Advances include epilepsy surgery in infants, the use of implanted depth electrodes for surgical mapping, intra-operative computer guidance systems, the use of 3D electrical dipole models and the use of new neuro-imaging systems for brain mapping and for identification of the epileptic zone. (ualberta.ca)
The most impressive results have come from invasive recording devices, which implant electrodes directly into the brain's gr a y matter, combined with AI that can learn to interpre t brain signals. (singularityhub.com)
But having to implant electrodes into someone's brain has obvious downsides. (singularityhub.com)
These risky procedures are only medically justifiable for patients who require brain recording to help resolve other medical issues, such as epilepsy. (singularityhub.com)
Companies like Elon Musk's Neuralink are also betting that we'll eventually get over our squeamishness around invasive approaches as the technology improves, opening the door to everyday people getting brain implants. (singularityhub.com)
A study published in Nature demonstrated that implanted electrodes could provide a potential therapy for chronic brain injuries. (massdevice.com)
Moreno 2001) he also conducted both brain electrode implant experiments. (ahrp.org)
Notably, the precise positioning of electrodes in the brain, made possible by advanced imaging techniques such as CT and MRI, contributes to the market's growth. (medgadget.com)
The electrodes use electrical currents similar to those generated by a pacemaker to help control abnormal brain impulses. (abc15.com)
Paquette et al (2017) reported a prospective study of 166 patients who had brain surgery involving removal of the medial temporal lobe. (banishtinnitus.net)
At the same time, they implanted DBS leads in certain regions of the brain thought to be relevant to TRD. (nih.gov)
Those electrodes take in brain wave information and translate them to actions inside the game. (slashgear.com)
They use a collection of non-invasive electrodes deployed at various points around your skull to collect and read brain data and translate it into action on your computer or other devices (via Wired ). (slashgear.com)
Today, neurosurgeons are still drilling into the brains of patients suffering from neurologic and psychiatric disorders, but rather than letting evil spirits escape, doctors are putting things in-inserting electrical probes to tame rogue neurons or to stimulate brain regions that are underperforming. (the-scientist.com)
With more than 700 DBS-related research manuscripts published each year, in all likelihood we will soon see electrodes being put into place to treat many more disorders of the brain. (the-scientist.com)
Mayfield Brain & Spine is the full-service patient care provider of the Mayfield Clinic, one of the nation's leading physician organizations for neurosurgical treatment, education, and research. (mayfieldclinic.com)
With more than 20 specialists in neurosurgery, interventional neuroradiology, physical medicine and rehabilitation, and pain management, Mayfield Brain & Spine treats 25,000 patients from 35 states and 13 countries in a typical year. (mayfieldclinic.com)
Both studies involve implanting electrodes that specifically track brain activity related to creating speech, using the facial and voice box muscles that Bennett now cannot control. (upi.com)
Surgeons placed on the surface of her brain two electrodes apiece in two separate regions involved in speech production. (upi.com)
Our current focus is to understand how the brain represents speech at the level of individual brain cells and to translate the signals associated with attempted speech into text or spoken words," said senior researcher Dr. Jaimie Henderson , the Stanford neurosurgeon who placed Bennett's implants. (upi.com)
A six-year, $13.5 million study of the vagus nerve's connection from the brain to the stomach has ignited interest from Indiana gastroenterologists and their hundreds of patients suffering from gastroparesis, a health condition where the stomach does not empty appropriately. (purdue.edu)
The study relied on data collected from electrodes implanted, for medical purposes, deep in the human brain. (jewishpress.com)
This study is unique in that it builds upon rare data from electrodes implanted deep inside the human brain, enabling high-resolution monitoring, down to the level of individual neurons, of the brain's electrical activity," said Prof. Yuval Nir from the School of Medicine, the Sagol School of Neuroscience, and the Department of Biomedical Engineering, who participated in the study. (jewishpress.com)
For understandable reasons, electrodes cannot be implanted in the brain of living humans just for the sake of scientific research. (jewishpress.com)
But in this study, we were able to utilize a special medical procedure in which electrodes were implanted in the brains of epilepsy patients, monitoring activity in different parts of their brain for purposes of diagnosis and treatment. (jewishpress.com)
Electrodes had been implanted on the surface of her brain that would send a signal to a hand-held device when they detected signs of impending epileptic activity. (nature.com)
When we don't know exactly where a patient's seizures are coming from, we surgically implant electrodes in and around the brain. (medlineplus.gov)
These electrodes record brain activity for a week or two. (medlineplus.gov)
There will soon be brain electrodes that meet these requirements. (lu.se)
We need to develop electrodes that make it possible to study the brain and, ideally, individual cells without damaging them. (lu.se)
The problem with most of the electrodes used today is that they are stiff and often quite rough, which means they irritate the brain tissue when the brain moves, which it does more or less the whole time, such as when we breathe or move our head. (lu.se)
The electrodes rub against the surrounding brain tissue, which leads to scarring around the electrode known as a "kill-zone" of dead nerve cells - the outcome is that you have damaged what you want to study. (lu.se)
The electrodes are embedded in gelatine to enable them to be implanted in the brain. (lu.se)
The gelatine is gentle on the brain, does not cause scarring and dissolves once the electrode is in place. (lu.se)
He can, however, say that in cooperation with physicists at the Neuronano Research Centre it has been possible to make and implant a nanoelectrode, an electrode with super-thin nanowires, in the brain of a rat, and that signals were successfully captured from the nerve cells. (lu.se)
The problem with these electrodes is that they are quite rough (in millimetre scale) and stiff, which leads to scarring in the brain. (lu.se)
This in turn means that a stronger current is required in order to reach beyond the kill-zone, which makes the electrodes imprecise - and then other areas in the brain are also affected, which causes side effects. (lu.se)
Our research aim is to develop a new generation of biocompatible Brain Machine Interfaces (BMI), i.e. electrodes that can be implanted into the brain and spinal cord and be maintained there over long periods of time. (lu.se)
For this reason, the electrodes need to be able to follow the movements of the brain tissues, like seaweed in water. (lu.se)

When EEG recordings are obtained from inside the skull with intracranial electrodes, we refer to it as intracranial EEG (iEEG). (stanford.edu)

those wires are plugged into a computer, feeding the electrical signals generated by neurons firing near each electrode into the machine. (technologyreview.com)
A more recent approach proposes tissue engineering the electrode interface through the use of encapsulated neurons within hydrogel coatings. (frontiersin.org)
This is beneficial in situations where the electrode is near neurons or fibers that, when activated, produce a side effect, such as a speech problem, too much tingling, or a loss of coordination or balance. (mayfieldclinic.com)
Altogether, the team collected data from over 700 neurons, about 50 neurons in each patient, over the course of 8 years. (jewishpress.com)

Friehs starts by implanting a four-millimeter-square array of 100 electrodes in this region, which is located in the brain's outermost layer, about halfway between the ear and the top of the skull. (technologyreview.com)
But looking at the data from the electrodes, we were surprised to discover that the brain's response during sleep was much stronger and richer than we had expected. (jewishpress.com)
While these early results in a single patient represent a proof-of-principle, they show "strong promise to restore communication by tapping into the brain's natural speech machinery," UCSF senior author Edward Chang, MD, said in a news release. (medscape.com)

Regular maintenance and daily plaque control may be important factors in the long-term maintenance of implant-supported prostheses. (bvsalud.org)

Enrolment will depend on the subject's willingness and capability to perform the daily treatment with the use of the Neuro-trigger simulator (including operating the device and electrode placement ) for a duration of 2 weeks. (who.int)

High-count microelectrode arrays implanted in peripheral nerves could restore motor function after spinal cord injury or sensory function after limb loss. (researchgate.net)

The song played in the operating room while the patients underwent surgery meant to prevent seizures, according to Fortune 's Erin Prater. (smithsonianmag.com)
It becomes part of you," Patient 6 said, describing the technology that enabled her, after 45 years of severe epilepsy, to halt her disabling seizures. (nature.com)

And to monitor those signals, they needed patients who had electrodes in their brains. (wshu.org)
Then they had a computer learn to recognize the signals these patients' brains produced while they were in the act of trying to remember something. (wshu.org)
The team trained 128 models, each operating at a different frequency, and together, they matched specific electrode signals to certain characteristics of music, per the Times . (smithsonianmag.com)
The structured titanium-gold coating on the inside of the electrodes transmits electrical signals between the electrodes and the nerve fibers. (medicalxpress.com)
The close contact between the folded cuffs and the nerves allows us to both stimulate the nerves and measure nerve signals with the electrodes," says Bernhard Wolfrum, Professor of Neuroelectronics at the Munich Institute of Biomedical Engineering (MIBE) at TUM and head of the study. (medicalxpress.com)

The outer sheath of the electrode comprises a biocompatible hydrogel that swells upon contact with moisture. (medicalxpress.com)

The patients in this study had moderate to severe TBIs, which often result in permanent deficits in memory and thinking. (wshu.org)
Evolut TAVI, now commercially launched in Europe, is now indicated for patients with severe native aortic stenosis who are at a low risk of surgical mortality. (massdevice.com)
The system's indications in Europe now cover all risk categories for severe aortic stenosis patients. (massdevice.com)
The system's new indication adds to its already cleared status in the U.S., with an indication for symptomatic severe aortic stenosis patients across all risk categories. (massdevice.com)
Approximately one-half of patients received substantial alleviation of their severe pain. (the-scientist.com)
Moving forward, they plan to test the speech neuroprosthesis on more patients affected by severe paralysis and communication deficits. (medscape.com)
For early-stage treatment of these degenerative retinal diseases, the rationale is to stop or delay the death of the retinal cells, which is challenging, with many patients ultimately progressing to severe visual impairment and eventually complete blindness. (lu.se)

Cogan, 2008 ), with cochlear implants, DBS and retinal implants all using Pt for neural interfacing. (frontiersin.org)
Retinal implants available today already provide patients with some level of vision. (lu.se)
Another important aspect relates to the long-term functionality of retinal implants, which is still limited. (lu.se)

Scientists wired up test monkeys with an electrode array inserted into the motor cortex. (slashgear.com)

however, electrically evoked auditory potentials were absent on all electrodes. (hindawi.com)
thus, the role of cochlear implants in auditory rehabilitation of CMT-associated SNHL is poorly defined [ 1 , 2 ]. (hindawi.com)

Psychiatrists or psychologists may be helpful for supportive psychotherapy, particularly in patients who develop depression related to their chronic pain. (encyclopedia.com)
A study by Macklin et al suggested that electrical perceptual threshold (EPT) tests are more sensitive than ISNCSCI exams for determining the level of SCI at which sensory function still exists in patients with chronic incomplete cervical SCI. (medscape.com)
Infections in older children and adults have been described, especially in elderly patients or those suffering from chronic conditions such as diabetes mellitus, malignancy, or HIV infection ( 6 ). (cdc.gov)
Patients with chronic facial paralysis and secondary established damage to the eye occurring prior to enrollment, who did not undergo facial reanimation surgery. (who.int)
According to the HEMO study, cardiac arrhythmia and ST-segment changes during deaths account for 39.4% of all deaths in HD in young patients with no concomitant patients on chronic haemodialysis (HD). (who.int)

This configuration causes the electrodes to automatically wrap themselves around the nerves fibers when exposed to the moisture of the tissue. (medicalxpress.com)
The research team has already demonstrated the application of the electrodes in locusts: fine nerves fibers with a diameter of 100 micrometers were sheathed without damaging the nerves. (medicalxpress.com)

As we learn more and more about how to interface with the nervous system, we're not limited to what we've implanted through an invasive surgical procedure. (medicaldesignbriefs.com)
Single-channel DBS, a less invasive procedure using a single electrode, offers a more economical alternative compared to dual-channel DBS and other advanced treatments. (medgadget.com)
The mind-reading system is non-invasive, meaning that the controller doesn't have electrodes implanted in his head. (discovermagazine.com)
1 Non-invasive localization techniques such as scalp electroencephalography (EEG), positron emission tomography (PET), magnetic resonance imaging (MRI), ictal single-photon emission computed tomography (SPECT), magnetoencephalography (MEG), and EEG-functional MRI (EEG-fMRI) can help in the identification of the EZ, which sometimes allows some patients to go directly on to resective surgery. (dovepress.com)

Despite the anatomical differences between the periodontium and the tissues around implants, several studies have indicated some similarities, such as the production of inflammatory mediators and active microbiota. (bvsalud.org)

Most meningitis cases were associated with an implant with a positioner, a silastic wedge inserted next to the implanted electrode in the cochlea to position the electrode closer to the cochlear nerve endings and thus facilitate electrical signal transmission. (cdc.gov)

A medical malpractice lawsuit was filed in New York (1995) for the deaths of George Heinrich and Eileen Sienkewicz, two of the MGH patients who died. (ahrp.org)

Most metallic electrodes inject charge through the generation of electrons at the electrode surface, however in physiological systems charge is carried by electrolytes (ions). (frontiersin.org)
When a battery is used, electrically charged ions travel between electrodes, causing those electrodes to shrink and swell. (electrochem.org)

Medical implants are human-made devices, in contrast to a transplant, which is a transplanted biomedical tissue. (wikipedia.org)
The surface of implants that contact the body might be made of a biomedical material such as titanium, silicone, or apatite depending on what is the most functional. (wikipedia.org)
A variety of biomedical applications for the new electrodes are conceivable in the future. (medicalxpress.com)

Electrical implants are being used to relieve pain from rheumatoid arthritis. (wikipedia.org)
As soon as the electrodes are in place, they are switched on to administer a weak electrical current to the nerve. (medicalnewstoday.com)

With these approvals, more patients will now be candidates for the Evolut TAVI system while surgical aortic valve replacement will evolve to serve a more complex patient population," Medtronic VP & chief medical officer for the structural heart & cardiac surgery business Dr. Pieter Kappetein said in a news release. (massdevice.com)

At six months, the four patients that responded to this treatment were actually near remission," said Dr. Helen Mayberg, who led the research while at the University of Toronto (she is now at Emory University). (npr.org)
Clinical data from a global, randomized trial that evaluated three valve generations against surgical valve replacement (SAVR) in more than 1,400 patients revealed that TAVI is an effective treatment for low-risk patients, improving 30-day quality-of-life scores compared to SAVR. (massdevice.com)
Autopsies on 14 patients who were treated with BNCT at those institutions showed that 10 of them, including George Heinrich and Eileen Sienkewicz, died of complications from the experimental treatment. (ahrp.org)
The suit estimated that 75 patients underwent the boron neutron treatment in Massachusetts or New York, and 66 others received injections to their tumors, but were not exposed to neutron beams. (ahrp.org)
As treatment for their epilepsy, the participants already had electrodes implanted in their brains, per the Times . (smithsonianmag.com)
Dr. Zaghloul provided a glimpse into this technique and his work to improve the lives of patients with more advanced treatment needs. (medlineplus.gov)
First, we want to improve treatment for the patients. (medlineplus.gov)
In this debate, we discuss which of these approaches will evolve to be the treatment of choice for Parkinsonian patients in the future. (lu.se)

A tiny array of implanted electrodes may help people with spinal cord injuries to regain use of their paralyzed limbs, a new study reveals. (neurosciencenews.com)
A new spinal cord implant helped stroke patients regain movement in their arms and hands. (nih.gov)
The technology uses a set of thin metal electrodes implanted on the surface of the spinal cord. (nih.gov)
In those days, we used DBS to treat patients suffering intractable pain after strokes or spinal cord injury, and to treat phantom limb pain in amputee patients. (the-scientist.com)

Some implants are bioactive, such as subcutaneous drug delivery devices in the form of implantable pills or drug-eluting stents. (wikipedia.org)
The implantable electrodes will be used to establish stable high-fidelity communication between neuronal networks in the central nervous system and computers for research and therapeutic purposes. (lu.se)

Metallic glasses based on magnesium with zinc and calcium addition are tested as the potential metallic biomaterials for biodegradable medical implants. (wikipedia.org)

Cardiovascular medical devices are implanted in cases where the heart, its valves, and the rest of the circulatory system is in disorder. (wikipedia.org)
Causes for extraction according to the place of origin of the patients: the department of cardiovascular surgery of our hospital or other departments. (revespcardiol.org)

Strong electromagnetic induction mainly occurs when the implanted device's wires are oriented in the same direction as elements of the TMS coil. (psychiatrist.com)
A doctor or nurse practitioner can program the device with an Apple iPad mini, and patients can control the device's output with an iPod touch. (mayfieldclinic.com)

Similar to TENS, they are implanted under the skin along the course of peripheral nerves. (medicalnewstoday.com)

Wires threaded under the patient's scalp and neck skin are connected to a battery pack implanted below the collarbone. (npr.org)
The theoretical concerns of conducting TMS with an implanted or non-removable device present are heating of the implanted device if it is made of highly conductive material, mechanical movement of an unanchored implanted device if it is made from a highly ferromagnetic material, demagnetization of implanted permanent magnets, and induction of a current in the wires or electrodes of the implanted device. (psychiatrist.com)
Risk of induced current in electrodes' wires is significantly reduced if the electrodes' wires are arranged to be close or twisted together, with each turn circling in opposite direction (eg, one turn clockwise and the next turn counterclockwise), without looping either between wires or of the whole wire bundle. (psychiatrist.com)
the wires and batteries that are permanently to This approach should, at the very least, work as well be seen subcutaneously in patients. (lu.se)
This monitor does not use wires or electrodes. (medlineplus.gov)

Finally, in an epileptic patient with OBEs originating from the TPJ, we show partial activation of the seizure focus during mental transformations of her body and visual perspective mimicking her OBE perceptions. (jneurosci.org)
On hearing a warning from the device, Patient 6 knew to take a dose of medication to halt the coming seizure. (nature.com)
These electrodes collect data on seizure activity. (medlineplus.gov)

Coating electrodes with conductive polymers or carbon nanotubes offers a substantial increase in charge transfer area compared to conventional platinum electrodes. (frontiersin.org)
This new electrode design for lithium-ion batteries has been shown to potentially reduce the charging time from hours to minutes, all by replacing the conventional graphite electrode with a network of tin-oxide nanoparticles. (electrochem.org)

We also put a lot of effort in developing software to be able to analyze the enormous amount of data acquired from implanted electrodes and for computer assisted interaction with neuronal networks. (lu.se)

In some cases implants contain electronics, e.g. artificial pacemaker and cochlear implants. (wikipedia.org)

We essentially went through the standard repertoire of electrochemical tests to show this acts like a standard wire electrode that could be used to stimulate the nerve," says James Trevathan, a postdoctoral fellow in Ludwig's lab and first author on the study. (medicaldesignbriefs.com)
Many patients have had courses of repetitive TMS with figure-8 and H-coils with implanted vagal 6,7 and hypoglossal nerve stimulators without any damage to the stimulators. (psychiatrist.com)
Nerve cells can also be stimulated artificially, triggering the nerves with current pulses via acutely applied or implanted electrodes. (medicalxpress.com)
Lukas Hiendlmeier et al, 4D‐Printed Soft and Stretchable Self‐Folding Cuff Electrodes for Small‐Nerve Interfacing, Advanced Materials (2023). (medicalxpress.com)

Hydrogel polymers present a versatile coating option for electrodes as they can be chemically modified to provide a soft and conductive scaffold. (frontiersin.org)

After the electrodes are placed, we can superimpose their location on the fMRI space and identify electrodes that are located in a specific functional region or in a specific intrinsic resting state network. (stanford.edu)
This information assists the physician in appropriately informing the patient and his/her family and helps these individuals to set realistic functional goals. (medscape.com)
A study by Hatch et al of 759 individuals with SCI found that in such patients, neither the severity nor the level of injury was related to decreased survival in the 10 years after injury, although older age, male sex, and a lower dismissal Functional Independence Measure (FIM) score were. (medscape.com)
Comprehensive and detailed neurologic examinations that are performed early and are repeated often form an important component of patient assessment and of neurologic and functional outcome prediction. (medscape.com)
At 4 years of age, he received a right-ear cochlear implant with good functional result. (cdc.gov)

In each patient before surgical procedure, we obtain task or resting state fMRI. (stanford.edu)

Impedance of the proposed electrodes was characterized in vitro using electrochemical impedance spectroscopy. (dovepress.com)

An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure. (wikipedia.org)
What Are the Theoretical Concerns of Conducting TMS With an Implanted or Non-Removable Device Present? (psychiatrist.com)
In such a case, the current may even damage the implanted device. (psychiatrist.com)
Mechanical movement of an implanted device is not a problem, 4 nor is heating of non-ferromagnetic material. (psychiatrist.com)
The patient turns the TENS device on and off as required. (medicalnewstoday.com)
To achieve higher resolution it has become clear that reducing the size of electrodes is required to enable higher electrode counts from the implant device. (frontiersin.org)
The two electrodes are then attached to a device implanted in the patient's upper chest near the collar bone. (abc15.com)
When you feel symptoms, you turn on the device and place the electrodes on your chest to record the ECG. (medlineplus.gov)

Given the heavy personal burden that DPNP imposes on patients and the considerable challenge of managing the condition pharmacologically, clinical use of non-pharmacological therapies such as CBT for painful diabetic neuropathy might be warranted in individual patients. (researchgate.net)
This is essential to developing treatments in animal models that could later be translated into clinical trials with the aim of improving the quality of life of our patients with ID and autism. (ualberta.ca)
In addition, we are part of clinical trials and have established several patients registries (for Fragile X and ID) in order to include patients in clinical research. (ualberta.ca)
This review aimed to expose some clinical, microbiological and radiographic characteristics found in periodontal tissues and around dental implants. (bvsalud.org)
The use of dental implants to replace teeth is an important component of clinical Dentistry today. (bvsalud.org)
The biological and clinical successes demonstrated in prospective longitudinal studies have provided evidence of the appropriateness of the use of dental implants 1,2 . (bvsalud.org)
Taking into account these aforementioned factors, the objective of this study was to review the clinical, microbiological, and radiographic changes around implants. (bvsalud.org)
The loading time (e.g., early or delayed) does not seem to have any significant clinical impact on the marginal peri-implant bone or soft-tissue levels 9 . (bvsalud.org)

Six patients underwent the procedure. (npr.org)

Patients with orthopaedic implants sometimes need to be put under magnetic resonance imaging (MRI) machine for detailed musculoskeletal study. (wikipedia.org)
A study of orthopaedic implants in 2005 has shown that majority of the orthopaedic implants does not react with magnetic fields under the 1.0 Tesla MRI scanning machine with the exception of external fixator clamps. (wikipedia.org)
In this study, we implanted Utah Slanted Electrode Arrays (USEAs) intrafascicularly, at the elbow or shoulder in arm nerves of rhesus monkeys (n = 4) under isoflurane anesthesia. (researchgate.net)
Deuschl et al performed a randomized study that assigned patients into one of two groups. (scienceblogs.com)
Here we report converging evidence from two studies in normal subjects and a study in an epileptic patient that together provide novel insights about the common neural origin of three essential phenomenological aspects of the self (spatial unity, self location, egocentric visuospatial perspective). (jneurosci.org)
The purpose of this qualitative study was to elucidate the effects of DPNP on daily life and individual feelings regarding living with DPNP from the perspective of Turkish patients. (researchgate.net)
Conclusion: This study revealed that the majority of patients carry significant concerns about becoming a burden on their family and are afraid of becoming dependent on others because of DPNP. (researchgate.net)
Number of patients that were intervened for lead retrieval in our department during the study period. (revespcardiol.org)
In a new study, published Tuesday in the journal PLOS Biology , participants with electrodes on their brains listened to "Another Brick in the Wall, Part 1," from the rock band's 1979 album, The Wall . (smithsonianmag.com)
Patients with psychiatric, addictive, or any other disorder that compromises ability to give genuine informed consent for participation in this study. (who.int)
The study sample was drawn from patients nant ventricular tachyarrhythmia [ 2 ]. (who.int)

Neuroprosthetic intervention is an increasingly popular method for alleviating symptoms or returning function to patients suffering from these disorders. (frontiersin.org)
Dr. Horn is the medical Co-Director of the Pediatric Cochlear Implant program at Seattle Childrens Hospital and sees patients with hearing loss, ear disorders, balance issues, as well as other general pediatric otolaryngological problems. (seattlechildrens.org)

The scientists say they are hoping future research can verify patients remain unconscious while in surgery, monitor a dementia patient's awareness and determine the status of a comatose patient. (jewishpress.com)

were implanted in nerves just distal to the brachial plexus (Fig. 1A) and near the elbow (Fig. 1B) by means of a high-speed insertion system (Rousche and Normann 1992). (researchgate.net)
The electrodes were introduced without resistance, and a full insertion was achieved using the MED-EL™ Synchrony Flex® 28 cochlear implant. (hindawi.com)

The limitations of interfacing electrodes including low charge injection limits, mechanical mismatch and foreign body response can be addressed through the use of organic electrode coatings which typically provide a softer, more roughened surface to enable both improved charge transfer and lower mechanical mismatch with neural tissue. (frontiersin.org)
For every electrode there is an intrinsic charge injection limit, restricting the voltage that can be safely generated at the electrode's surface. (frontiersin.org)
However, the electrodes are so thin that they cannot even break the surface tension of water. (lu.se)
However, the destruction of the tissues around implants sometimes occurs during the maintenance phase, resulting in the exposure of either the implant surface or previously osseointegrated screws. (bvsalud.org)
Characteristics of the components' surface can influence on the adhesion of bacteria to the implant. (bvsalud.org)
As a result of plaque accumulation, a lesion with a peri-implant bone defect can develop all around the implant, regardless of the surface characteristics. (bvsalud.org)

Anatomy7

Organisms3

Diseases2

Chemicals and Drugs18

Analytical, Diagnostic and Therapeutic Techniques and Equipment48

Psychiatry and Psychology4

Phenomena and Processes17

Disciplines and Occupations7

Technology, Industry, Agriculture8

Information Science1

Health Care4

Researchers22

Surgically implanted electrodes1

Subdural6

Parkinson's12

Flexible electrodes6

Involves7

Implantation9

Vagus nerve4

Stimulation15

Neurological3

Stimulator2

Brain56

Intracranial electrodes1

Neurons4

Brain's3

Prostheses1

Placement1

Microelectrode arrays1

Seizures2

Signals5

Biocompatible1

Severe7

Retinal implants3

Cortex1

Auditory2

Chronic5

Fibers2

Invasive4

Anatomical1

Cochlear nerve1

19951

Ions2

Biomedical3

Electrical2

Cardiac1

Treatment8

Spinal cord4

Implantable2

Biodegradable1

Cardiovascular2

Device's2

Peripheral nerves1

Wires5

Seizure3

Conventional2

Neuronal1

Pacemaker1

Nerve4

Hydrogel1

Functional5

Surgical procedure1

Impedance1

Device8

Clinical8

Underwent1

Study11

Disorders2

Scientists1

Insertion2

Surface6