Deodorizing ostomy pouch
Patent 4911699 Issued on March 27, 1990. Estimated Expiration Date: 
August 10, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 10, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3312221 Filter venting devices for ostomy appliances Ostomy bag Ostomy bag including filter means Drainable collection pouch and filter assembly therefor Patent #: 4411659 InventorAssigneeApplicationNo. 230464 filed on 08/10/1988US Classes:604/333Having deodorant means (e.g., filter)ExaminersPrimary: Kruter, Jerome L.Attorney, Agent or FirmForeign Patent References
International ClassA61F 005/44AbstractA deodorizing ostomy drainage receptacle comprising a flexible pouch having drainage chamber defining walls therein and an opening in one of the walls. The opening is located in an upper portion of the pouch and is capable of receiving a stoma. An aperture is also desirably located in the upper portion of the pouch and permits gas to egress therefrom. A deodorant is attached to the upper portion of the pouch in the vicinity of the aperture and is contained in a separate bag so that the gas must pass through the deodorant before egressing from the pouch. The deodorant is generally a solid material such as activated charcoal. | |
