Tendon repair apparatus and method

Details Tendon repair apparatus and method Tendon repair apparatus and method

2008-02-27

2011-11-22

Sweet, Thomas J (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Ligament or tendon

C623S013110, C606S222000, C606S232000

Reexamination Certificate

active

08062363

ABSTRACT:
A method and apparatus for tendon repair includes an elongated member of a generally tubular shape having two barbed sections with oppositely directed barbs and a middle portion between the barbed sections. The barbs are cut from the tubular body leaving a mesh-like body of interconnected struts. The middle portion is also formed of interconnected struts. A needle and suture is connected at both opposite ends of the elongated member and used to pull the barbed sections into respective ends of a severed tendon. The barbs bite into the tendon tissue to hold the ends together. The sutures are preferably cut off at the tendon surface at a location spaced from the rejoined ends. One or more of the tendon repair devices may be used to repair each tendon, optionally with perimeter stitching at the rejoined ends.

REFERENCES:
patent: 4469101 (1984-09-01), Coleman et al.
patent: 6613059 (2003-09-01), Schaller et al.
patent: 2004/0088003 (2004-05-01), Leung et al.
patent: 2006/0161160 (2006-07-01), Sander et al.
L. Gordon et al., Flexor Tendon Repair Using a Stainless Steel Internal Anchor, Journal of Hand Surgery, pp. 37-40, vol. 23B, No. 1, Feb. 1998.
McKenzie et al., An Experimental Multple Barbed Suture for the Long Flexor Tendons of the Palm and Fingers, J. of Bone and Joint Surgery, pp. 440-447, vol. 49B, No. 3, Aug. 1967.
P.C. Shaw, A Method of Flexor Tenson Suture, Journal of Bone and Joint Surgery, pp. 578-587, vol. 50B, No. 3, Aug. 1968.

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