*  Effect of Six non-Newtonian Viscosity Models on Hemodynamic Parameters of Pulsatile Blood Flow in Stenosed Artery
In minimum flow rate, Carreua-Yasuda model was more sensitive to the non-Newtonian behavior of blood compared to Carreua, ... Blood flow was considered laminar, and arterial wall was considered rigid. Studied stenosis severities were 30%, 50% and 70% of ... Also, in maximum flow rate, the Carreua, generalized Power Law, Casson, and Carreua-Yasuda models showed a reduction in global ... On the other hand, this model did not show sensitivity when flow rate was at its peak. Power Law model overestimated the global ...
  http://jcarme.srttu.edu/article_727_0.html
*  Ocular Rigidity, Outflow Facility, Ocular Pulse Amplitude, and Pulsatile Ocular Blood Flow in Open-Angle Glaucoma: A Manometric...
Stereoscopic advantages for vection induced by radial, circular, and spiral optic flows ... Validity of pulsatile ocular blood flow measurements. Surv Ophthalmol . 1994; 38: S72-S80. [CrossRef] [PubMed] ... Evaluating pulsatile ocular blood flow analysis in normal and treated glaucomatous eyes. Am J Ophthalmol . 2003; 136: 448-453. ... Pulsatile ocular blood flow: the effect of the Valsalva manoeuvre in open angle and normal tension glaucoma: a case report and ...
  http://iovs.arvojournals.org/article.aspx?articleid=2127862
*  Rheological Behavior of Physiological Pulsatile Flow through a Model Arterial Stenosis with Moving Wall
The governing momentum equations for non-Newtonian 2D flows are. The blood viscosity, , depends on the shear rate , and its ... at different pulsatile phases (a) , (b) , (c) , (d) , (e) , and (f) for while . ... at different pulsatile phases (a) , (b) , (c) , (d) , (e) , and (f) while and . ... at different pulsatile phases (a) , (b) , (c) , (d) , (e) , and (f) while and . ...
  https://www.hindawi.com/journals/fluids/2015/546716/
*  Blood flow in the rabbit aorta | Journal of The Royal Society Interface
... blood flow is pulsatile. Consequently, there are disadvantages associated with steady-state simulations. In particular, they ... 1977 The continuous high-precision measurement of the density of flowing blood. Pflugers Arch. 370, 25-29. doi:10.1007/ ... Since these regions are associated with complex blood flow patterns, it has been postulated that blood flow may play an ... 3. Method: simulating blood flow within the rabbit aorta. 3.1. Governing equations. In the present study, blood was treated as ...
  http://rsif.royalsocietypublishing.org/content/8/65/1708
*  A study on the pulsatile flow characteristics of Newtonian and non-Newtonian fluids in the bifurcated tubes | Korea Science
A study on the pulsatile flow characteristics of Newtonian and non-Newtonian fluids in the bifurcated tubes - Bifurcated Tube; ... Flow characteristics of Newtonian fluid and blood in the bifurcated tubes under the steady and pulsatlie flows are numerically ... Pulsatile flow characteristics of blood are compared with those of Newtonian fluid. Parameter effects on axial velocity, ... Experimental and numerical studies for three-dimensional pulsatile flows are conducted to investigate the flow characteristics ...
  http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=DHGGDU_1996_v20n11_3607
*  Wiley: Jim Evans Honorary Symposium: Proceedings of the Symposium Sponsored by the Light Metals Division of The Minerals,...
Modeling Pulsatile Blood Flow in End-to-Side Anastomoses (D. Cook, and C. Thompson). ... Mangetically-Damped Flows: Numerical Simulations and Experimental Measurements (B. Li, X. Bing, and Y. Shu). ... Flow Phenomena in Steel Continuous Casting.. Liquid Metal Modelling of Continuous Steel Casting (G. Gerbeth, S. Eckert, K. ... Metal Flow, Bubbles, and Inclusions Behavior in Refining and Reduction Vessels.. Plume Characteristics in Gas Stirred Ladles (P ...
  http://www.wiley.com/WileyCDA/WileyTitle/productCd-0873397509.html
*  Enhanced clearance in an artificial kidney incorporating a pulsatile pump - Fresenius Medical Care Holdings, Inc.
During dialysis, the blood circuit 132 generally has blood flowing in a direction opposite that of the dialysate circuit flow ... by a pulsatile blood pump, to provide a pulsatile blood flow. The pulsatile blood flow is a periodic flow wherein each period ... to provide a pulsatile dialysate flow. The pulsatile dialysate flow, like the pulsatile blood flow, has a period that comprises ... wherein said pulsed blood flow is a pulsatile blood flow. 8. The CRRT device of claim 1, wherein said pulsed blood flow a ...
  http://www.freepatentsonline.com/7871390.html
*  US4968422A - Pulsatile flow hemodialysis - Google Patents
In comparison to the customary steady flow blood pump of the prior art, the pulsatile flow blood pump clears urea, a low ... Total time of dialysis is reduced and the results obtained by using the pulsatile flow blood pump are more physiologic, in that ... Large molecules, such as vitamin B 12 are also cleared more rapidly by the pulsatile flow pump, but less rapidly than the ... molecular weight molecule, from the bood approximately three times as fast as does the steady flow roller pump commonly used on ...
  https://patents.google.com/patent/US4968422?oq=5927278
*  Norwood procedure - Wikipedia
The key difference here is that the blood flow is more pulsatile than with the Blalock-Taussig version. After this first step ( ... After this surgery is completed, all the venous blood returning from the body flows directly to the lungs. The first successful ... To accomplish this, blood flow to the lungs is disrupted, and therefore an alternative path must be created to supply the lungs ... An aortopulmonary shunt is created to connect the aorta to the main pulmonary artery to provide pulmonary blood flow. The ...
  https://en.wikipedia.org/wiki/Norwood_procedure
*  Cardiac output - Wikipedia
doi:10.1007/s00134-005-2781-3. Bernstein, Donald P (2010). "Impedance cardiography: Pulsatile blood flow and the biophysical ... The dye flows with the blood into the aorta. A probe is inserted into the aorta to measure the concentration of the dye leaving ... Cardiac output is a global blood flow parameter of interest in hæmodynamics, the study of the flow of blood. The factors ... As the body's blood vessels actively expand and contract, the resistance to blood flow increases and decreases respectively. ...
  https://en.wikipedia.org/wiki/Cardiac_output
*  Pulsatile flow - Wikipedia
... or as Womersley flow. The flow profiles was first derived by John R. Womersley (1907-1958) in his work with blood flow in ... San, Omer; Staples, Anne E (2012). "An improved model for reduced-order physiological fluid flows". Journal of Mechanics in ... The cardiovascular system of chordate animals is a very good example where pulsatile flow is found, but pulsatile flow is also ... In fluid dynamics, a flow with periodic variations is known as pulsatile flow, ...
  https://en.wikipedia.org/wiki/Pulsatile_flow
*  Berlin Heart - Wikipedia
Like the heart, EXCOR blood pumps have valves which ensure that the blood only flows in one direction. The blood pumps are ... EXCOR is a paracorporeal, pulsatile flow VAD. The device provides left ventricular, right ventricular or biventricular ... The blood coming from the heart flows into the INCOR axial pump. The rotor in the pump has an active magnetic bearing while ... It moves the membranes, which draw blood into the blood chamber and push it back into the body. ...
  https://en.wikipedia.org/wiki/Berlin_Heart
*  Ventricular assist device - Wikipedia
link) Pulsatile VS Continuous flow pump schematic HeartMate XVE pulsatile pump schematic SynCardia TAH pulsatile pump ... Because the devices generally result in blood flowing over a non-biologic surface, predisposing the blood to clotting, there is ... 2007). "Comparisons of infection complications between continuous flow and pulsatile flow left ventricular assist devices". The ... and continuous flow pumps. Pulsatile VADs use positive displacement pumps. In some pulsatile pumps (that use compressed air as ...
  https://en.wikipedia.org/wiki/Ventricular_assist_device
*  Hemodynamics - Wikipedia
The pumping action of the heart generates pulsatile blood flow, which is conducted into the arteries, across the micro- ... more realistic of the vascular resistance and coming from experimental observations on blood flows, according to Thurston, ... The rate of mean blood flow depends on both blood pressure and the resistance to flow presented by the blood vessels. Mean ... The study of the blood flow is called hemodynamics. The study of the properties of the blood flow is called hemorheology. Blood ...
  https://en.wikipedia.org/wiki/Hemodynamics
*  Vascular resistance - Wikipedia
"Cardiac Output and Blood Pressure". biosbcc. Retrieved 7 April 2011. Measurement of real pulsatile blood flow using X-ray PIV ... In humans, there is very little pressure change as blood flows from the aorta to the large arteries, but the small arteries and ... In the body, blood viscosity increases as red blood cell concentration increases, thus more hemodilute blood will flow more ... resistance to blood flow c = constant coefficient of flow L = length of the vessel η(δ) = viscosity of blood in the wall plasma ...
  https://en.wikipedia.org/wiki/Vascular_resistance
*  Hemorheology - Wikipedia
Modeling Viscoelastic Behavior of Arterial Walls and their Interaction with Pulsatile Blood Flow, Journal of Applied ... for blood flowing steadily in tubes with diameters of less than 300 micrometres, the average hematocrit of the blood in the ... Red blood cells with reduced deformability have increasing impedance to flow, leading to an increase in red blood cell ... Due to the limited space between red blood cells, it is obvious that in order for blood to flow, significant cell to cell ...
  https://en.wikipedia.org/wiki/Hemorheology
*  Atrium (heart) - Wikipedia
During atrial systole, blood not only empties from the atria to the ventricles, but blood continues to flow uninterrupted from ... Among sharks, the heart consists of four chambers arranged serially (and therefore called a serial heart): blood flows into the ... But without functioning atria, venous flow becomes pulsatile, and the overall circulation rate decreases significantly. Atria ... which is essential for fetal blood circulation. At birth, when the first breath is taken fetal blood flow is reversed to travel ...
  https://en.wikipedia.org/wiki/Atrium_(heart)
*  Earl Wood - Wikipedia
... hence increasing blood pressure and blood flow to the brain. The G-suit was a superior solution to another alternative (a water ... "Indocyanine green densitometry in flowing blood compensated for background dye". J Appl Physiol. 18: 1294-1304. PMC 2997752 . ... The water-filled, pulsatile pressure suits were developed to effect venous return. However, Wood and colleagues' detailed ... After his work on the G-Suit, Wood worked on techniques for measuring cardiac blood flow. He was granted a patent for the ear ...
  https://en.wikipedia.org/wiki/Earl_Wood
*  Doppler echocardiography - Wikipedia
M. Richards, O. Kripfgans, J. Rubin, A. Hall and J. Fowlkes, "Mean Volume Flow Estimation in Pulsatile Flow Conditions," ... produce accurate assessment of the direction of blood flow and the velocity of blood and cardiac tissue at any arbitrary point ... to produce reasonable results for regular flows and does a poor job of estimating complex flow patterns, such as those due to ... One of the limitations is that the ultrasound beam should be as parallel to the blood flow as possible. Velocity measurements ...
  https://en.wikipedia.org/wiki/Doppler_echocardiography
*  Patent US6122536 - Implantable sensor and system for measurement and control of blood ... - Google Patents
... monitoring and reporting blood constituent levels. The implantable sensor for sensing in vivo the level of at least one blood ... The invention also encompasses a device for measuring and controlling the level of a blood constituent, such as glucose or ... Typically, the heart provides pulsatile blood flow (cardiac output) exceeding 5.0 liters per minute. During periods of ... 5 through 8. In alternative form 10', the device monitors blood flowing through a highly vascular membrane, such as a portion ...
  http://www.google.com.au/patents/US6122536
*  US20170065185A1 - Weighing Scale with Extended Functions - Google Patents
... between the heart beat and the blood pulse signal arriving at the foot, /d/-deducing therefrom a value of the arterial ... and extracting therefrom a blood pulse signal at the foot, /c/-calculating a time delay (DT) ... A61B5/026-Measuring blood flow * A61B5/0295-Measuring blood flow using plethysmography, i.e. measuring the variations in the ... Of particular interest for the following description, at each ventricular contraction, the pulsatile movement of blood in the ...
  https://patents.google.com/patent/US20170065185A1/en
*  Patent US4995857 - Left ventricular assist device and method for temporary and permanent procedures - Google Patents
... non-traumatic flow of blood either from the left atrium or the patient's venous system, directly into the patient's arterial ... Supplemental blood pump, methods and systems for supplementing blood flow. WO2001085061A2. 17 Apr 2001. 15 Nov 2001. Acorn ... In this configuration, blood flows out of the right atrium 13, through the oxygenator 90, the shunt 84 and into the left atrium ... Biventricular pulsatile cardiac support system having a mechanically balanced stroke volume. US5755682 *. 13 Aug 1996. 26 May ...
  http://www.google.ca/patents/US4995857
*  US5300111A - Total artificial heart - Google Patents
The blood is pumped alternately from each ventricle using a linear electric motor that moves an armature to push the movable ... As the heat transfer fluid 68 flows over the surfaces of the passages it receives heat from the walls of the flow passages. ... The motion of the ventricle walls that pumps the blood also engenders the flow of the heat transfer fluid through the motor. ... Pulsatile magneto-motive artificial heart US4173796A (en) * 1977-12-09. 1979-11-13. University Of Utah. Total artificial hearts ...
  https://patents.google.com/patent/US5300111
*  Learning - Dr. Stasha Gominak
The brain senses that there is no air flowing and it wakes us up to light sleep. As soon as we get to light sleep we are no ... As we enter this phase there begins to be a pulsatile release of Growth Hormone. This is the same hormone we use to grow as ... In kids the growth hormone is a steady flow and they grow, while paralyzed, in deep sleep. In adults this same hormone is ... We get heart disease or liver disease, or kidney disease, or high blood pressure. Most authors attribute our widespread sleep ...
  http://drgominak.com/sleep/
*  Biofluid dynamics - Wikipedia
Internal flows such as cardiovascular blood flow and respiratory airflow, and external flows such as flying and aquatic ... and pulsatile muscles which pump and circulates the blood through the vasculature. Arteries, arterioles, capillaries, venules, ... Blood Rheology is the study of blood, especially the properties associated with the deformation and flow of blood. Blood is a ... As velocity increases, flow can become disorganized and chaotic. This is known as turbulent flow. Laminar flow occurs in flow ...
  https://en.wikipedia.org/wiki/Biofluid_dynamics