US2013144384A1PendingUtilityA1

Soft tissue graft fixation

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Assignee: COLORADO A BODY CORPORATE THE REGENTS OF THE UNIVERSITY OFPriority: Apr 1, 2005Filed: Dec 28, 2012Published: Jun 6, 2013
Est. expiryApr 1, 2025(expired)· nominal 20-yr term from priority
Inventors:Kenneth A. GallJeffrey TyberChristopher M. YakackiReed Bartz
A61B 17/0401A61F 2002/0835A61L 2400/16A61F 2002/0858A61F 2002/0888A61F 2/0811A61L 27/50A61L 2430/02A61B 2017/0448A61B 2017/00871A61F 2002/0882A61F 2002/0864A61F 2210/0014A61L 27/16
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Claims

Abstract

A surgical method for anterior cruciate ligament reconstruction includes creating a bone tunnel in a head of a femur of a patient. A connective tissue is inserted into the bone tunnel. A shape memory polymer plug is inserted into the bone tunnel. The plug has a first configuration for insertion and a second configuration for affixation that has a radially expanded dimension that presses the connective tissue against a side wall of the bone tunnel to affix the connective tissue in the bone tunnel. The plug changes from the first configuration to the second configuration in response to an activation temperature equal to or greater than a temperature of the femur.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A surgical method for anterior cruciate ligament reconstruction comprising
 creating a bone tunnel in a head of a femur of a patient;   inserting a connective tissue into the bone tunnel; and   inserting a shape memory polymer plug into the bone tunnel, wherein   the plug has a first configuration for insertion and a second configuration for affixation,   the second configuration comprises a radially expanded dimension that presses the connective tissue against a side wall of the bone tunnel to affix the connective tissue in the bone tunnel, and   the plug changes from the first configuration to the second configuration in response to an activation temperature equal to or greater than a temperature of the femur.   
     
     
         2 . The surgical method of  claim 1 , wherein the temperature of the femur is an average temperature of the human body. 
     
     
         3 . The surgical method of  claim 2 , wherein the connective tissue is resected from a part of a hamstring tendon of the patient.

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