Two-piece ostomy appliance with faceplate bistable coupling ring

Details Two-piece ostomy appliance with faceplate bistable coupling ring Two-piece ostomy appliance with faceplate bistable coupling ring

1993-06-03

1994-05-17

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Receptacle attached to or inserted within body to receive...

604332, 604342, A61F 544

Patent

active

053123824

ABSTRACT:
A two-piece ostomy appliance comprising a pouch component and a faceplate component. The faceplate component has disposed thereon a dual-state, bistable coupling ring with a latching member for sealingly engaging the periphery of an opening in the pouch component. The coupling ring has an annular base defining a central opening and a contact face thereon surrounding the central opening. An annular collar extends from the base and a bistable latching member is joined to the collar along an annular hinge line, the latching member providing a contact surface and being pivotable about said hinge line. The latching member pivots about the hinge line between a stable, substantially untensioned first state wherein the latching member projects generally axially away from the collar and a stable, tensioned second state wherein the latching member extends in a reverse direction towards the annular base with said contact face of the latching member being positioned for tight engagement with the annular base's contact face or with the annular periphery of the pouch component clamped between the base and the latching member.

REFERENCES:
patent: 4419100 (1983-12-01), Alexander
patent: 4610676 (1986-09-01), Schneider et al.
patent: 4610677 (1986-09-01), Mohiuddin
patent: 4772279 (1988-09-01), Brooks et al.
patent: 4868024 (1989-09-01), Cross et al.
patent: 4917689 (1990-04-01), Coombes
patent: 4973323 (1990-11-01), Kaczmarek et al.
patent: 5167651 (1992-12-01), Leise, Jr. et al.

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