US4795435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for protecting a wound
Assignee: ER Squibb and Sons LLC
•
Filing: 1984-02-08
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Granted: 1989-01-03
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Expires: 2004-02-08
Abstract
Abstract A device for wound management permits the application of an apertured pad to the wound and involves the provision of a protective compartment, optionally drained, whose interior is open to the wound and which is normally sealed closed but which can be opened if desired.
Inventors
- 👤 Peter L. Steer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:03
CPC Classifications
A; A61; A61M; A61M27/00; A61F; A61F13/00; A61F13/02; A61F13/0246; A61F13/05; A61M1/00; A61M1/90; A61M1/91; A61M1/915; A61M1/98; A61M1/984
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
73 words
A device for protecting a wound comprising a paid of skin-protective and skin-curative adhesive material having secured thereto a foldable sheet of liquid impermeable material of larger area than the pad, marginal portions of said foldable sheet provided with a layer of pressure-sensitive adhesive, and said sheet folded over itself and sealed in liquid-tight fashion around its edges to define a compartment whereby the marginal portions can be manually pulled apart if desired.
Claim 2
Independent Claim
73 words
A device for protecting a wound comprising a paid of skin-protective and skin-curative adhesive material having secured thereto a foldable sheet of liquid impermeable material of larger area than the pad, marginal portions of said foldable sheet provided with a layer of pressure-sensitive adhesive, and said sheet folded over itself and sealed in liquid-tight fashion around its edges to define a compartment whereby the marginal portions can be manually pulled apart if desired.
Claim 3
Dependent Claim
41 words
A device according to claim 1 in which an aperture is cut through said pad and the portion of said sheet that is secured to said pad and said aperture is dimensioned to be slightly larger than the wound being treated.
Claim 4
Dependent Claim
48 words
A device according to claim 2 in which the marginal portion of one half of said foldable sheet has secured thereto an adhesive strip having adhesive on both of its surfaces, and the exposed surface of said adhesive strip has its adhesive covered by a removable protective strip.
Claim 5
Dependent Claim
26 words
A device according to claim 2 including a drain tube connected to said compartment so that it is in communication with the interior of said compartment.
References Cited (Backward Citations)
US29319A
Cited
GB366347A
Cited
GB540867A
Cited
GB606248A
Cited
US3339546A
Cited
GB1150294A
Cited
US3568675A
Cited
US3874387A
Cited
US4023569A
Cited
USRE29319E
Cited
GB1549756A
Cited
US4224941A
Cited
US4250882A
Cited
GB2099308A
Cited
US4468227A
Cited
US4387713A
Cited
US4540415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-03 | 1992-07-04 | 1993-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-03 | 1996-07-04 | 1997-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-03 | 2000-07-04 | 2001-01-03 | $7700.00 | Window Closed / Lapsed |