Controlled evacuation ostomy device with external seal

• US 20060206069A1
• Filed: 05/09/2006
• Published: 09/14/2006
• Est. Priority Date: 03/27/2002
• Status: Active Grant

• Current Assignee: Convatec Technologies, Inc. (ConvaTec Group Plc)
• Original Assignee: Convatec Technologies, Inc. (ConvaTec Group Plc)
• Inventors: Cline, John B.
• Granted Patent: US 8,096,980 B2
• Time in Patent Office: Days
• US Class Current: 604/337
• CPC Class Codes: A61F 5/445 Colostomy, ileostomy or urethrostomy devices A61F5/441, A61F5/442, A61F5/443 take precedence
• CPC Class Codes: A61F 5/448 Means for attaching bag to seal ring

Abstract

A flexible membrane is situated within a rigid or semi-rigid cap. The edge of the cap wall is adhesively fixed to the tissue surrounding the stoma. The interior of the cap is pressurized to press the membrane to seal the stoma against the discharge of solid and semi-solid waste. Gas escapes through a vent with a filter element. The cap can be pressurized by an external pump or an integral pump member situated on top of the cap. A relief valve prevents over pressurization. A collection pouch can be provided as part of a device. The device can be removably mounted on a standard two-piece faceplate.

Claims

1. An ostomy device for sealing a stoma, said device comprising means, situated entirely externally to the body, for covering the stoma, and means for securing said stoma covering means over the stoma and pressurizable means situated over said stoma covering means to press said stoma covering means against the stoma to seal the stoma.

2. The device of claim 1 wherein said stoma covering means has an edge and wherein said securing means comprises an adhesive layer on said edge.

3. The device of claim 1 wherein said securing means comprises a member situated over and sealed to said stoma covering means said member comprising said pressurized means so as to define a recess that can be pressurized to press said stoma covering means against the stoma.

4. The device of claim 3 wherein said pressurizable means comprises a recess and further comprising means for pressurizing said recess.

5. The ostomy device of claim 1 wherein said stoma covering means comprises a flexible member.

6. The device of claim 5 wherein said pressurizing means is situated over and sealed to said member so as to form an internal chamber which can be pressurized to press said member against the stoma.

7. The ostomy device of claim 6 further comprising a cap formed of a wall with an edge, means for adhering said edge to the tissue surrounding the stoma, said member being situated within said cap, proximate the stoma, said member defining an internal chamber with said cap, said internal cavity comprising said pressurizable means.

8. The device of claim 7 wherein said member has an edge, said edge being fixed to the interior of said cap.

9. The device of claim 8 wherein said pressurizing means comprises means in said cap for permitting entrance of fluid into said internal cavity.

10. The device of claim 9 wherein said means in said cap for permitting the entrance of fluid into said internal cavity comprises an inlet port and a one-way valve associated with said inlet port.

11. The device of claim 10 wherein said pressurizing means comprises flexible means affixed to said cap, said flexible means defining an external chamber the volume of which can be reduced by the application of pressure on said flexible means and an entrance port connecting said external chamber and said internal chamber.

12. The device of claim 7 further comprising means for limiting the pressure in said internal chamber.

13. The device of claim 12 wherein said pressure limiting means comprises a pressure relief valve.

14. The device of claim 7 wherein said sealing means defines a second internal chamber with said cap wall, and means for venting said second internal chamber.

15. The device of claim 7 for use in combination with waste collection means.

16. The device of claim 15 wherein said waste collection means comprises a collection pouch.

17. The device of claim 15 wherein said waste collection means is collapsible.