Coupling assembly

Details Coupling assembly Coupling assembly

1989-05-02

1990-11-06

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604243, A61M 2500

Patent

active

049683080

ABSTRACT:
A coupling assembly for connecting a flexible catheter to the hub cone of a sheath for inserting the catheter into a punctured body cavity consists of a housing having two separable housing halves which jointly form a passage for the catheter and have their patient-proximal front end provided with a tip for insertion into the hub cone of the sheath. In the passage, there is arranged shaped sealing formed as a hollow cylinder of an elastic material, provided as a tube tightly surrounding the catheter and having a thickened head portion. The outer diameter of the head portion is adapted to the outer diameter of the tip of the housing, and the tube is inserted into a widened portion of the passage such that the head portion of the tube abuts against the front face of the tip. Such a shaped sealing acts as a closing stopper which prevents that blood can travel rearward between the separating slits of the housing halves and escape to the outside.

REFERENCES:
patent: 3903885 (1975-09-01), Fuchs
patent: 4187848 (1980-02-01), Taylor

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