US3804091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ostomy appliance
Assignee: Hollister Inc
•
Filing: 1972-09-18
•
Granted: 1974-04-16
•
Expires: 1992-09-18
Abstract
Abstract An ostomy appliance for controlled venting of gas from the intestinal tract and collection of small amounts of waste material following surgery comprising a flexible fluidtight pouch having a lateral opening adapted to register with an abdominal opening, means for sealing the pouch to the abdomen around the registered openings in the abdomen and in the pouch, vent means in the pouch for exhausting gas, a filter secured to the pouch adjacent the vent means for deodorizing gas exhausted through the vent, and an absorbent pad in the pouch.
Inventors
- 👤 J Nolan
- 👤 B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:10
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/441
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
183 words
An ostomy appliance for venting gas from an abdominal opening following surgery, comprising: a. a fluid-tight pouch including a pair of overlying panels of plastic material secured together at the perimeter thereof and respectively comprising first and second opposed walls of the pouch, b. said first wall having a centrally located entrance opening adapted to register with an abdominal opening, and said second wall having vent means for exhausting gas from the pouch, c. an adhesive coating on the outer surface of the first wall around the entrance opening for sealing the pouch to the abdomen, d. a filter disc of matted fibers and charcoal particles over the vent means on the second wall of the pouch, e. an impervious cover over the filter including an outer perimeter secured to the second wall of the pouch and vent means laterAlly displaced from the vent means in the second wall, and f. an absorbent pad in the pouch for absorbing drainage including a layer on one surface of material pervious to drainage and resistant to adhesion to mucous or moist tissue of patient anatomy.
Claim 2
Dependent Claim
183 words
An ostomy appliance for venting gas from an abdominal opening following surgery, comprising: a. a fluid-tight pouch including a pair of overlying panels of plastic material secured together at the perimeter thereof and respectively comprising first and second opposed walls of the pouch, b. said first wall having a centrally located entrance opening adapted to register with an abdominal opening, and said second wall having vent means for exhausting gas from the pouch, c. an adhesive coating on the outer surface of the first wall around the entrance opening for sealing the pouch to the abdomen, d. a filter disc of matted fibers and charcoal particles over the vent means on the second wall of the pouch, e. an impervious cover over the filter including an outer perimeter secured to the second wall of the pouch and vent means laterAlly displaced from the vent means in the second wall, and f. an absorbent pad in the pouch for absorbing drainage including a layer on one surface of material pervious to drainage and resistant to adhesion to mucous or moist tissue of patient anatomy.
Claim 3
Dependent Claim
41 words
An ostomy appliance as defined in claim 1, wherein the absorbent pad comprises a plurality of layers of absorbent material and a layer on one surface of material which is resistant to adhesion to mucous or moist tissue of patient anatomy.
Claim 4
Dependent Claim
30 words
An ostomy appliance as defined in claim 1, wherein the panel forming the first wall of the pouch is substantially flat, and the panel forming the second wall is dished.
References Cited (Backward Citations)
US3125093A
Cited
US2054535A
Cited
US2544579A
Cited
US2679248A
Cited
US3312221A
Cited
US3439677A
Cited
US3507282A
Cited
US3658065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |