femoral head allograft

Despite evidence that processing these grafts to remove blood and marrow elements improves both the clinical performance and safety of these allografts many are transplanted without any processing being applied at all. What are the Sources of Allografts.

Intracapsular Fracture Of Femoral Neck Fracture Healing Neck Fracture Musculoskeletal System

The femoral head allograft is used for resurfacing cartilage defects with mature hyaline cartilage.

. It has been well-documented in published studies that larger grafts at this site increase the risk of complications. The shaft of the allograft was used to mortise into the femoral shaft and the convex mushroom-like component was used to fill the defect in the humeral head. The Allograft OATS donor harvester with a collared guide pin is attached to the drill passed into the proximal graft housing and rested on the grafts surface.

The major and minor tubercle were closed over the graft and a proximal humerus interlocking plate PHILOS plate DePuy Synthes Raynham United States was used for osteosynthesis. The diameter of the prosthetic femoral head was 26 mm in all hips. Tibiotalocalcaneal TTC arthrodesis with bulk femoral head allograft is a commonly performed limb salvage procedure when dealing with complex deformity.

Large grafts are comprised of the diaphysis and epiphysis of long bones. Specific details and benefits on each type of graft are provided in the product information and technical specification sheets which can be viewed and downloaded from this page. RELATED ARTICLES PRODUCT SHEETS SURGICAL TECHNIQUES RELATED ALLOGRAFTS Features and Benefits.

Femoral Head Allograft Preparation The donor femoral head allograft is secured in the Arthrex Allograft OATS Workstation and perpendicular alignment is confirmed with the OATS sizer. Femoral head shaft struts rings Femur. Natural bone matrix facilitates cell attachment and proliferation and vascular in-growth.

Please contact us for information on any graft you need. 1 A diagram illustrates the operative method for bone grafting. The resected femoral head is then used as a graft with the base of the neck cut into a wedge matching the chamfer on the iliac osteotomy Figures Figures11and and22.

The donor graft surface curvature was congruent with the. We have more options than those listed below and can review the available options and sizes with you. Fixation of the femoral stem was without cement in 70 hips and with cement in seven hips.

An allograft is different from an autograft which utilizes tissue from the same individuals body and is therefore genetically identical. The aim of this study was to report the results of patients undergoing an ankle arthrodesis or tibiotalocalcaneal fusion using a femoral head allograft FHA. A fresh osteochondral allograft ordered from the Joint Restoration Foundation Centennial CO USA was press-fitted into the resulting 30 mm wide cylindrical femoral head defect.

Our tissue banks provide bone grafts for virtually every orthopedic podiatric and reconstructive operation. Segments are subdivided into. Donated from living donors during routine hip.

Studies show that osteochondral allografts transplanted within 15 to 28 days of recovery have significant functional and clinical advantages. Femoral heads removed during primary hip replacement surgery are widely utilised as a source of allograft bone. Forty-four patients 45 ankles with a mean follow-up of 428 months were studied.

To submit a request for a matched graft please visit our web-based Graft Matching Form below. Whole proximal distal. When the joint is resected in a square fashion length is actually lost from the first metatarsal head.

With these uncontained defects we contoured an allograft femoral head with a high-speed burr to the desired shape and typically secured it in the defect with one or two screws. Anterior tibialis tendon frozen femoral head freeze dried bone chips DBM putty acellular dermis and amniotic membrane. Request a Matched Graft.

The average femoral head allograft is 54 to 56 mm in diameter and yields 50 cm 3 of bone graft with an average cost of US 435 for processing of the tissue resulting in a cost of US 870 per cm 3 of allograft produced. The femoral head is not processed nor cell marrow depleted and has a minimum weight of 50g. Product Specifications MatriGraft Femoral Head Femoral and humeral heads designed to provide immediate structural support to restore segmental bone loss or to be ground into corticalcancellous chips Osteoconductive.

A tight fit is achieved by fine adjustments to the graft with a saw and this is used as a stem to place the graft into the site of the iliac osteotomy. ACF Spacer Cervical. Two of 11 patients had glenoid vault rim and wall defects of 5 mm to 10 mm and seven of 11 patients had a defect greater than 10 mm.

Femoral head allograft for tibiotalocalcaneal fusion using a cup and cone reamer technique Abstract End-stage degenerative joint disease of the hindfoot with large structural bone deficits is a complex problem encountered by the foot and ankle surgeon. A fresh-frozen femoral head allograft can provide an appropriate graft for lengthening and ultimate fusion. However little has been reported in patients who receive tibiotalocalcaneal arthrodesis with femoral head allografts for a rigid cavovarus foot type.

Examples of human allografts include.

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