Apparatus for attaching a catheter to a hub

Details Apparatus for attaching a catheter to a hub Apparatus for attaching a catheter to a hub

1986-07-16

1989-02-07

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

1563806, 1563808, B29C 5706, B29C 6504, B32B 3120

Patent

active

048029475

ABSTRACT:
Disclosed is a piece of equipment, a method, and a product resulting from the attachment of a hub and a catheter. The transition between the catheter and hub are a smooth funnel-like flare of the distal end of the small diameter thin wall catheter into the open inside chamber of the catheter attachment hub. The hub is used to connect an administration set to the catheter. In the method, a probe is used which has a flared transition that is urged into the distal end of the small diameter catheter to flare same outwardly and against the inside proximal end of the catheter hub chamber. The probe is one source of dielectric welding energy and there is a support for completing this circuit. During the imposition of dielectric welding energy, the flared small diameter catheter end is melted, extruded, fused, and tapered in a molding operation into the inner proximal end wall of the catheter hub chamber.

REFERENCES:
patent: 2974367 (1961-03-01), Doering
patent: 3322590 (1967-05-01), Clark
patent: 3558397 (1971-01-01), Clark
patent: 4409046 (1983-10-01), Holzwarth

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