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Dual-type catheter connection system

  • US 5,637,102 A
  • Filed: 05/24/1995
  • Issued: 06/10/1997
  • Est. Priority Date: 05/24/1995
  • Status: Expired due to Fees
First Claim
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1. A catheter connection system for effecting a mechanical joinder between a medical device and a selected catheter chosen from either a first catheter or a second catheter, the first catheter being made from a first material and the second catheter being made from a second material, the second material being less pliant than the first material, the selected catheter having a body wall with an exterior surface and with an interior surface defining a longitudinally extending, fluid flow lumen, said connection system comprising:

  • (a) a rigid stem attached at a proximal end thereof to the medical device, said stem having a free distal end opposite said proximal end and an exterior surface extending therebetween;

    (b) attachment means on said exterior surface of said stem for engaging the interior surface of the selected catheter when said distal end of said stem is received in the lumen of the selected catheter, and for enabling locking of the selected catheter on said stem; and

    (c) securing means operative when said distal end of said stem is received in the lumen of the selected catheter for radially, inwardly compressing a portion of the body wall of the selected catheter against a portion of said attachment means on said stem, and for interacting with said attachment means to preclude unintentional disengagement of the selected catheter from said stem, said securing means comprising a set of fastening assemblies, individual of said fastening assemblies corresponding to the first catheter and the second catheter.

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