Catheter attachment system

Details Catheter attachment system Catheter attachment system

1986-11-12

1988-02-09

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604103, 604905, 285243, A61M 2500

Patent

active

047239484

ABSTRACT:
This connection system has particular application to releasably securing a flexible catheter to a rigid portal outlet stem received in the catheter lumen. The system includes a radial enlargement on the outlet stem and a retainer sleeve having a tubular distal segment which encircles the catheter at a location adjacent to the free end of the stem therein and a proximal segment which is composed of a pair of mirror image, hinged together, semicylindrical clamping sections, one of which is an integral extension of the distal sleeve segment and the other of which can be moved between open and closed positions so as to enable the sections to clamp around the stem enlargement and a segment of the catheter encircling the stem. A locking ring snugly encircles the sleeve and is slidable therealong between a locking position wherein it tightly engages around the sleeve clamping sections and an unlocking position wherein it encircles the distal sleeve segment. The system assures a secure, fluid-tight connection of the catheter to the stem and provides strain relief for the catheter.

REFERENCES:
patent: 3073628 (1963-01-01), Cline et al.
patent: 3087746 (1963-04-01), Hamilton
patent: 4402691 (1983-09-01), Rosenthal et al.
patent: 4473369 (1984-09-01), Lueders et al.
patent: 4631056 (1986-12-01), Dye

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