Interphalangeal hand joint implant TIE-IN™

TRAPEZIUM IMPLANT Key Benefits Soft Tissue “wrap-around” reduces subluxation Rounded corners to reduce implant stress Simple instrumentation The TIE-IN® Trapezium implant was developed to restore function to the CMC joint that has been disabled by degenerative arthritis and/or traumatic arthritis. It is a single stemmed, flexible implant that replaces the trapezium and is inserted in the first metacarpal. This implant is made of a silicone elastomer. GENERAL PRECAUTIONS Proper surgical procedures and techniques are the responsibility of the medical professional. Each surgeon must evaluate the appropriateness of the procedure used based on personal medical training and experience. Wright Medical Technology, Inc. cannot recommend a particular surgical technique suitable for all patients. INDICATIONS • Pain and palpable crepitation localized at the base of the thumb • Motion, grip strength, and pinch decreased • Arthritic changes evident on X-ray CONTRAINDICATIONS • Conservative treatment possible • Inadequate skin, bone, or neurovascular structures • Irreparable tendon system PREOPERATIVE EVALUATION Ideally Suited Patients: • Pantrapezial arthritis • Poor bone quality • MP joints with less than 20º of dynamic hyperextension • Limited thumb adduction deformity INCISION AND EXPOSURE Incision of choice is an extended volar curvilinear. Distally between the glabrous and non-glabrous skin over the thenar eminence, curving slightly volar at the distal wrist flexion crease and extending proximally for 3.0cm along the radial side of the FCR tendon. Identify and protect the radial artery coursing obliquely over the dorsal body of the trapezium. Sharply dissect the FCR free