Distal Humeral Fractures Treated with Noncustom Total Elbow Replacement by S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am Volume 87(1 suppl 1):41-50.

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Presentation transcript:

Distal Humeral Fractures Treated with Noncustom Total Elbow Replacement by S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am Volume 87(1 suppl 1):41-50 March 1, 2005 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The patient is placed supine on the operating table. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

After the ulnar nerve has been protected and released to the first motor branch, the medial fracture fragments are released by sharp excision. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

After the soft tissue has been released from the fracture fragments medially, those fragments amenable to removal are removed from the medial aspect of the joint. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

Sharp dissection releases the extensor and capsular muscular attachments to the lateral fragments, and these are excised. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The humerus is “delivered” to the lateral aspect of the margin of the triceps. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

Fig. 15-A The implant sits in the nominal location with the absence of all of the distal humeral articulation, approximately 3 cm of bone loss. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

Radiograph of a seventy-two-year-old patient who had an AO type-C3 fracture with intact bone, measuring approximately 1 cm, proximal to the olecranon fossa. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

In patients with substantial distal humeral bone loss, placement of the elbow in 90° of flexion with application of an axial load allows estimation of the proper depth of insertion of the humeral implant. d = distance short of full insertion. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The flexor and extensor musculotendinous origins are repaired to the medial and lateral aspects of the triceps, respectively. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

Release of the medial portion of the attachment of the triceps allows the forearm to be flexed and rotated, permitting exposure of the olecranon and coronoid. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

After the tip of the olecranon has been removed, the medullary canal is entered at the base of the coronoid with a high-speed burr. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

Proper axial orientation of the ulna is ensured by placing the rasp handle perpendicular to the flat portion of the proximal part of the ulna. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

A cement restrictor is deployed with the injector system. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The ulnar component is inserted to a depth such that the articulation rests approximately midway between the tips of the olecranon and the coronoid. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The bone graft is placed anterior to the anterior humeral cortex and is captured by the flange as the humeral component is driven into place. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.

The implant is articulated by a pin-within-the-pin mechanism. S. Kamineni, and Bernard F. Morrey J Bone Joint Surg Am 2005;87:41-50 ©2005 by The Journal of Bone and Joint Surgery, Inc.