• Abstract
  • Primary ExaminerRonald L. Frinks Attorney, Agent, or Firm-Owen, Wickersham & Erickson [5 ABSTRACT This prosthesis for replacement of a skeletal hinged joint comprises a unitary member of elastomer having a central hinge portion with a stem at each end, the stems being inclined with respect to each other. (google.ca)
  • thereon
  • The ball joint member which preferably takes the form of a nail to be driven axially of the femur is provided with means which permits the adjustment of the neck and the ball thereon angularly around the nail after it has been inserted in the femur so that when the ball is properly adjusted, the patients foot will align properly and will not toe out or toe in when in use. (google.com)
  • tensile
  • The hinge has a web portion lying between thicker end portions adjoining the stems, to provide uniplanar hinging movement, the angle of inclination lying in this plane and providing a suitable normal rest position for the joint where the prosthesis has no restorative tensile or compressive forces. (google.ca)
  • thereof
  • 10. A joint prosthesis kit as defined in claim 1, further comprising a radiator means accommodated within said pressing means for irradiating said prepreg member to harden the hardenable material thereof. (google.co.uk)
  • femur
  • In theory, if such a ball and socket joint is properly designed, it may be inserted with little or no more surgery than is required for replacing the damaged neck and head of the femur with the present available male prosthesis. (google.com)
  • This arrangement of the ball member for adjustment relative to the femur after insertion of the anchoring male constitutes a great advance over the prior art male prosthesis which must be accurately aligned during the application to the femur and thus require great precision in the surgical repair of the hip joint. (google.com)
  • Implants
  • References Cited UNITED STATES PATENTS 2,679,245 5/1954 Timmermans 128/92 CA OTHER PUBLICATIONS Silicone Rubber Implants for Replacement of Arthritic or Destroyed Joints in the Hand, by A. Swanson, Surgical Clinics of North America, Vol. 48, No. 5, Oct. 1968, pp. 1113-1127. (google.ca)
  • It is important to understand material degradation processes for joint implants to achieve longer service life and better safety issues for such devices. (wikipedia.org)
  • The management of failed Proplast/Teflon, Silastic, and Christensen Fossa implants by removal, joint debridement, recountouring of the articulating surfaces, and placement of a temporalis muscle/fascia flap for joint lining including the outcome of this protocol. (dmoztools.net)
  • compressive forces
  • The coupling to the compression transmitting member is such that only compressive forces are coupled to that member from the joint member. (google.com)
  • prosthetic joint
  • Can be caused by skin infection, previously damaged joint, prosthetic joint, or intravenous drug use. (wikipedia.org)
  • coagulase-negative staphylococci - usually due to prosthetic joint Streptococci - the second most common causeStreptococcus pyogenes - a common cause in children under 5 Streptococcus pneumoniae Group B streptococci - a common cause in infants Haemophilus influenzae Neisseria gonorrhoeae - the most common cause of septic arthritis in young, sexually active adults. (wikipedia.org)
  • Rifampicin is sometimes used in the treatment of methicillin-resistant Staphylococcus aureus (MRSA) in combination with fusidic acid, including in difficult-to-treat infections such as osteomyelitis and prosthetic joint infections. (wikipedia.org)
  • infection
  • Septic arthritis, also known as joint infection or infectious arthritis, is the invasion of a joint by an infectious agent resulting in joint inflammation. (wikipedia.org)
  • Most commonly joints becomes infected via the blood but may also become infected via trauma or an infection around the joint. (wikipedia.org)
  • Age over 80 years Diabetes mellitus Osteoarthritis Rheumatoid arthritis Immunosuppressive medication Intravenous drug abuse Recent joint surgery Hip or knee prosthesis and skin infection HIV infection Other causes of sepsis Having more than one risk factor greatly increases risk of septic arthritis. (wikipedia.org)
  • P. acnes is an opportunistic pathogen, causing a range of postoperative and device-related infections e.g., surgery, post-neurosurgical infection, joint prostheses, shunts and prosthetic heart valves. (wikipedia.org)
  • insertion
  • 8. A joint prosthesis kit as defined in claim 1, further comprising an insertion means situated in said pressing means for removably receiving a hardening means for hardening the hardenable material of said prepreg member. (google.co.uk)
  • 16 . A disc prosthesis according to claim 1 which is provided for anterior insertion. (google.com.au)
  • septic arthritis
  • Septic arthritis most commonly causes pain, swelling, and warmth at the affected joint. (wikipedia.org)
  • Therefore, those affected by septic arthritis will often refuse to use the extremity and prefer to hold the joint rigidly. (wikipedia.org)
  • Septic arthritis is most commonly caused by bacteria reaching the synovial membrane of a joint. (wikipedia.org)
  • cause septic spinal arthritis Eikenella corrodens - human bites Pasteurella multocida, bartonella henselae - animal bites or scratches Fungal species - immunocompromised state Borrelia burgodorferi - ticks, causes lyme disease Septic arthritis should be considered whenever a person has rapid onset pain in a swollen joint, regardless of fever. (wikipedia.org)
  • The diagnosis of septic arthritis is based on physical exam and prompt arthrocentesis which yields synovial fluid from within the affected joint. (wikipedia.org)
  • Rarely, it infects heart valves leading to endocarditis, and infections of joints (septic arthritis) have been reported. (wikipedia.org)
  • member
  • said prepreg member, after introduction into said intramedullary cavity, is, by inflating said fluid-impervious pressing means inside said prepreg member by introduction of a fluid thereinto through said nipple, expandable against the surface of the intramedullary cavity such that the prepreg member conforms to the surface of the intramedullary cavity where, upon hardening, said prepreg member forms a hard shell constituting a sole anchoring member of the prosthesis. (google.co.uk)
  • means
  • 3. A joint prosthesis kit as defined in claim 1, further including means for introducing a fluid comprising a hose to be accommodated within said pressing means and having an end for connection to a fluid source. (google.co.uk)
  • A hip joint prosthesis includes connection means for securing the hip joint prosthesis to a securing device and to an artificial leg, and a control unit for controlling an extension movement in the hip joint and for controlling the step length of the artificial leg. (google.com)
  • The fastening means are formed by pins guided in passages of the prosthesis element. (google.com)
  • This means that over the stance phase, depending on the speed the subject is moving, there is a derivable torque angle relationship that can be used to control a lower limb prosthesis. (wikipedia.org)
  • surface
  • The cause of the low polymerization temperature in the body is the relatively thin cement coating, which should not exceed 5 mm, and the temperature dissipation via the large prosthesis surface and the flow of blood. (wikipedia.org)
  • important
  • For lower limb robotic prosthesis it is important to be able to determine if the user wants to walk on level ground, up a slope, or up stairs. (wikipedia.org)
  • replacement
  • Prostheses currently available for replacement of hinged joints, such as elbows, knees and joints of the hand, are either rigid metal or plastic hinged devices or are softer elastomeric devices such as those for knuckle joints of the hand disclosed in U.S. Pat. (google.ca)
  • more intense research into artificial facet replacement as an effective and marketable prosthesis has been ongoing since the mid-2000s. (wikipedia.org)
  • head
  • The use of a metal socket as well as a metallic male head prosthesis is intended to eliminate pain, wandering of a ball in the acetabulum and to diminish motion of the hip. (google.com)
  • type
  • Each patient that uses a robotic prosthesis that is tuned for this type of control has to have there system trained for them specifically. (wikipedia.org)
  • available
  • However, about 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely and publicly available. (wikipedia.org)
  • different
  • The speed-adaption mechanism is a mechanism used to determine the required torque from the joints at different moving speeds. (wikipedia.org)
  • However
  • However, as a practical manner, the metallic ball and socket joints designed heretofore have been difficult to use and apply and have not been completely satisfactory. (google.com)
  • however, the most common cause of arthritis in these joints is intravenous drug use. (wikipedia.org)
  • however, polymicrobial infections can occur, especially after large open injuries to the joint. (wikipedia.org)
  • blood
  • White blood cells of greater than 50,000 mm3 or lactate greater than 10 mmol/l in the joint fluid also makes the diagnosis likely. (wikipedia.org)
  • Joints with preexisting arthritis, such as rheumatoid arthritis, are especially prone to bacterial arthritis seeded through the blood stream. (wikipedia.org)