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Coupling means for fastening disposable ostomy bags and bag system therefore

  • US 4,826,495 A
  • Filed: 08/17/1987
  • Issued: 05/02/1989
  • Est. Priority Date: 09/04/1986
  • Status: Expired due to Term
First Claim
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1. A re-usable coupling means for securing to the body of the patient a flexible disposable bag for collecting intestinal wastes from an ostomy, comprising(a) a retainer plate of a comparatively stiff plastic material, provided with an opening adapted to surround the stoma when the coupling means is positioned around it, and having a gas passage duct connected to a filter for deodorizing flatus, and(b) a flexible sealing adhesive member adapted to releasably adhere the retainer plate to skin around the stoma and being permanently connected with the retainer plate,which comprises the feature that the gas passage duct is situated in an annular projection protruding from the front of the retainer plate around the opening, said duct, when the bag is positioned correctly on the coupling means, at one hand communicating with the interior of the bag by means of a plurality of gas inlet openings, and at the other hand via the filter communicating with at least one gas outlet opening in the coupling means, andwherein the outlet opening for discharging gas from the filter is situated in the rear of the retainer plate, the front of the retainer plate in an area surrounding the annular projection being adapted to hold the bag by the aid of a pressure-sensitive adhesive.

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