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endoprosthesis explanation free

A major advance in the bipolar cup design was making the axis of the metallic and polyethylene cups eccentric (figure ) so that with loading of the hip, the metallic cup rotates laterally rather than medially and thus avoids fixation in varus position, as well as impingement of the head on the edge of the cup, which causes fracture of the polyethylene insert and dislocation of the implant. This concept is the essence of the BHU bipolar prosthesis. All active elderly patients presenting with a displaced sub-capital femoral fracture were treated by endoprosthetic replacement with the BHU bipolar prosthesis. This study was undertaken to audit the efficacy of this newly designed prostheses and help the patients to return to their previous normal lifestyle.

Erosion of an Esophageal Endoprosthesis ..

The BHU bicentric bipolar endoprosthesis was designed at the department of orthopaedics, BHU, Varanasi, India in 2002. This design evolved in an effort to palliate certain limitations of the presently used bipolar prosthesis.

What is bipolar endoprosthesis?

The basic disadvantages include rapidly progressing damage of the articular cartilage of the acetabulum, which results in pain, and protrusion of the endoprosthesis head.

SUBSTANCE: before implanting femoral component of endoprosthesis into medullary canal one should introduce glass ceramic osteosubstituting "Biosit-SR-Elcor" (Biositall) material of 3 mm fraction at the dosage ranged 20-30 g, depending upon the size of medullary canal being of osteoconductive and osteostimulating action.

Precast total endoprosthesis of the hip joint and …

SUBSTANCE: device has femoral part comprising head, neck and hollow pedicle. The pedicle has pin projecting from the endoprosthesis at a distance of 0.25-0.35 times pedicle length. Hole for setting fixing member is available in upper part of the pin. Two holes are available in the lower projecting pin part for setting screws. Middle hole has oval shape.

procedures including implantation both femoral and the acetabular element, is recognized as the most durable; elements of modern, total endoprosthesis may function without any problems over the period of a few decades and they do not cause any pain.

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Hip Bipolar Hemiarthroplasty for Femoral Neck Fracture

Two basic disadvantages of total hip arthroplasty in elderly patients with femoral neck fractures include: high instability of the endoprosthesis, i.e.

Hip Replacement -Bipolar Endoprosthesis - OrthoCare & …

SUBSTANCE: device has neck and collar members and a rod. Self-jamming inserts manufactured from mesoporous plates of osteocompatible biosital material shaped as pyramid having trapezium-shaped cross-section are fixed on lateral sides of proximal rod part in parallel to endoprosthesis pedicle collar member in slots not more than 2 cm far from the collar member.

Products: The House of Orthopedic Implants & Instruments

Although the occurrence of fatal pulmonary embolism may be diminishing, it still accounts for a substantial proportion of postoperative deaths in the middle-aged and older persons, especially among those undergoing major orthopedic surgery, despite improvements in patient management. We experienced cardiac arrest during bipolar endoprosthesis. Cardiopulmonary resuscitation was started and the transesophageal echocardiogram showed right heart failure. We suspected acute pulmonary thromboembolism and decided to perform thromboembolectomy with cardiopulmonary bypass. A massive old blood clot and a 1.0 x 1.5 cm thrombus were removed from both pulmonary arteries. However, despite massive fluid therapy and the use of inotropic agent, the patient failed to recover successfully with postoperative management in the intensive care unit.

Patent US5263988 - Bipolar endoprosthesis - Google …

The BHU bicentric bipolar endoprosthesis was designed at the department of orthopaedics, BHU, Varanasi, India in 2002. This design evolved in an effort to palliate certain limitations of the presently used bipolar prosthesis.

An X-ray showing a right hip ..

Publication » Unipolar, Bipolar or Total Hip Endoprosthesis after Femoral Neck Fracture: Whatisa Right Decision?.... Unipolar, Bipolar or Total Hip Endoprosthesis after Femoral Neck Fracture: Whatisa Right Decision?Dragica Smrke ...

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