US4085752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colostomy bag pad
Assignee: Individual
•
Filing: 1976-05-07
•
Granted: 1978-04-25
•
Expires: 1996-05-07
Abstract
Abstract A colostomy bag pad that is adapted to be interposed between the bag and the external surface of the abdominal wall and provides an aperture for communication with the external projection of the stoma.
Inventors
- 👤 James Canale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:13
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445; A61F13/00; A61F2013/00361; A61F2013/00365; A61F2013/00412
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
103 words
A colostomy bag pad adapted to be interposed between the colostomy bag and the stoma, comprising a laminate including two opposing sides formed of at least one layer of a liquid permeable sheet, at least one layer of a liquid impermeable sheet disposed in opposing relation between said two opposing sides, a liquid absorbent substance sandwiched between said liquid permeable and liquid impermeable layers, said laminate having an aperture therein and a slit communicating between said aperture and one lateral edge of said laminate, wherein each of said layers is formed of a single sheet folded substantially in half to form said laminate.
Claim 2
Dependent Claim
103 words
A colostomy bag pad adapted to be interposed between the colostomy bag and the stoma, comprising a laminate including two opposing sides formed of at least one layer of a liquid permeable sheet, at least one layer of a liquid impermeable sheet disposed in opposing relation between said two opposing sides, a liquid absorbent substance sandwiched between said liquid permeable and liquid impermeable layers, said laminate having an aperture therein and a slit communicating between said aperture and one lateral edge of said laminate, wherein each of said layers is formed of a single sheet folded substantially in half to form said laminate.
Claim 3
Dependent Claim
15 words
The pad as defined in claim 1 wherein said liquid permeable layer is a non-woven.
Claim 4
Dependent Claim
16 words
The pad is defined in claim 1 wherein said liquid impermeable layer is a plastic sheet.
Claim 5
Dependent Claim
15 words
The pad as defined in claim 1 wherein said liquid absorbent substance is cotton wadding.
Claim 6
Dependent Claim
35 words
The pad as defined in claim 1 wherein said slit defines free edges and connecting means adapted to communicate between said free edges formed by said slit and thereby adjust the size of said aperture.
Claim 7
Dependent Claim
19 words
The pad as defined in claim 1 wherein the edges of said laminate are sealed to reduce fluid leakage.
Claim 8
Dependent Claim
14 words
The pad as defined in claim 1 wherein said layers are of equal size.
References Cited (Backward Citations)
US2618265A
Cited
US3286713A
Cited
US3422817A
Cited
US3773048A
Cited
US3799167A
Cited
US3895629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |