Short-crimp surgical needle

Details Short-crimp surgical needle Short-crimp surgical needle

A - Human Necessities

61

B

128/124

A61B 17/04 (2006.01) A61B 17/06 (2006.01)

Patent

CA 1098406

TITLE: SHORT-CRIMP SURGICAL NEEDLE Inventors: JOHN RONALD HOFFMAN PETER JOHN MARSLAND 4 Polaris Drive 48 Chalk Hill Road New Milford, Conn. 06776 Monroe, Conn. o6468 Fairfield County Fairfield County ABSTRACT OF THE INVENTION Surgical needles are attached to sutures with controlled pull-out characteristics by a short crimp--that is a crimp whose length is markedly less than the length of the end of the suture in the needle; with an essen- tially undistorted portion of the needle adjacent to where the suture emerges from the needle, and an essentially undistorted portion around the front of the suture, so that only a short section of the needle is crimped around the suture. This leaves the suture uncrushed where it emerges from the needle and hence of superior strength where sharp bends occur during use. It also leaves an undistorted portion of the suture ahead of the crimp so that on pull-out, the suture is retained not only by frictional engagement of the crimp but also by the forces required for the distortion of the head of the suture so that it will pull through the reduced section of the crimp.

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