Patent EP0316255B1 successfully refreshed from Google Patents.
US3568675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fistula and penetrating wound dressing
Assignee: Individual
•
Filing: 1968-08-30
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Granted: 1971-03-09
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Expires: 1988-08-30
Abstract
Abstract A fistula and penetrating wound dressing including a planar flexible sheet of material and having a plurality of small openings spaced from the edges to permit an adhesive substance such as collodion to be applied thereover to secure the sheet to the body. The central portion of the dressing includes a domed transparent fluid collection chamber having an outlet nipple adapted for connection to an external receptacle.
Inventors
- 👤 Clyde B Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
A; A61; A61M; A61M27/00; A61M1/00; A61M1/90; A61M1/91; A61M1/915; A61M1/916
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
76 words
A dressing for wounds comprising a planar flexible base having a smooth bottom face devoid of adhesive and having a transparent domed central fluid collection chamber, a plurality of small openings in said base spaced inwardly from the sides thereof and adapted to receive a liquid adhesive substance therein and permit the same to contact the skin of the wearer, and drain outlet means in said domed chamber communicating with an external drain fluid collection means.
Claim 2
Dependent Claim
76 words
A dressing for wounds comprising a planar flexible base having a smooth bottom face devoid of adhesive and having a transparent domed central fluid collection chamber, a plurality of small openings in said base spaced inwardly from the sides thereof and adapted to receive a liquid adhesive substance therein and permit the same to contact the skin of the wearer, and drain outlet means in said domed chamber communicating with an external drain fluid collection means.
Claim 3
Dependent Claim
23 words
A dressing as defined in claim 1, wherein said base is formed of plastic sheet material and said collection chamber is integral therewith.
Claim 4
Dependent Claim
30 words
A dressing as defined in claim 1, wherein said domed chamber is provided with a tapered neck portion and a nipple adapted for connection to said external fluid collection means.
Claim 5
Dependent Claim
44 words
A dressing as defined in claim 1, wherein said base is provided with a cut out central portion, said domed chamber having a peripheral flange, and adhesive means for removably securing said flange to said base with the domed chamber overlying said cut out.
Claim 6
Dependent Claim
107 words
A dressing for wounds comprising a planar flexible base having a domed central fluid collection chamber, a plurality of small openings in said base spaced inwardly from the sides thereof and adapted to receive a liquid adhesive substance therein and permit the same to contact the skin of the wearer, and drain outlet means in said domed chamber communicating with an external drain fluid collection means, said base is provided with adhesive means on its lower peripheral surface and said small openings are provided by woven mesh material, said domed chamber being secured to said mesh material with the mesh material immediately beneath said chamber being removed.
Claim 7
Dependent Claim
107 words
A dressing for wounds comprising a planar flexible base having a domed central fluid collection chamber, a plurality of small openings in said base spaced inwardly from the sides thereof and adapted to receive a liquid adhesive substance therein and permit the same to contact the skin of the wearer, and drain outlet means in said domed chamber communicating with an external drain fluid collection means, said base is provided with adhesive means on its lower peripheral surface and said small openings are provided by woven mesh material, said domed chamber being secured to said mesh material with the mesh material immediately beneath said chamber being removed.
Claim 8
Dependent Claim
30 words
A dressing as defined in claim 5, wherein Said domed chamber is provided with a tapered neck portion and a nipple adapted for connection to said external fluid collection means.
Claim 9
Dependent Claim
21 words
A dressing as defined in claim 5, wherein said domed chamber is transparent to provide for visual inspection of said wound.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |