US4378794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical drape
Assignee: Boundary Healthcare Products Corp
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Filing: 1981-01-07
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Granted: 1983-04-05
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Expires: 2001-01-07
Abstract
Abstract A surgical drape comprising, a main sheet of flexible material having a fenestration, and an opening in the expected path of fluid runoff from the fenestration. The drape has a fluid pervious screen covering the opening. The drape also has a pocket comprising a flap covering a lower portion of the screen, with the flap having an upper edge and defining a cavity facing toward the expected path of fluid runoff from the fenestration.
Inventors
- 👤 Robert F. Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:14
CPC Classifications
A; A61; A61B; A61B46/00; A61B46/30; A61B46/20; A61B46/23; A61B2046/236
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
135 words
A surgical drape, comprising: a main sheet of flexible material having a pair of side edges, a pair of end edges connecting said side edges, a fenestration, an opening located intermediate said fenestration and one of said end edges, and a pair of generally aligned fold lines extending between said side edges and defining a flap secured to an underlying portion of the main sheet, with a lower edge of the opening being located adjacent a lower portion of the flap such that the flap overlies a lower portion of the opening, with the flap having an upper edge and defining a cavity facing toward the fenestration, and with an upper portion of the opening being located intermediate the upper edge of the flap and the fenestration; and a fluid pervious screen covering said opening.
Claim 2
Dependent Claim
135 words
A surgical drape, comprising: a main sheet of flexible material having a pair of side edges, a pair of end edges connecting said side edges, a fenestration, an opening located intermediate said fenestration and one of said end edges, and a pair of generally aligned fold lines extending between said side edges and defining a flap secured to an underlying portion of the main sheet, with a lower edge of the opening being located adjacent a lower portion of the flap such that the flap overlies a lower portion of the opening, with the flap having an upper edge and defining a cavity facing toward the fenestration, and with an upper portion of the opening being located intermediate the upper edge of the flap and the fenestration; and a fluid pervious screen covering said opening.
Claim 3
Dependent Claim
27 words
The drape of claim 1 including a reinforcement sheet extending around said opening, with edges of said screen being located intermediate the main sheet and reinforcement sheet.
Claim 4
Dependent Claim
13 words
The drape of claim 1 wherein said opening has a generally rectangular shape.
Claim 5
Dependent Claim
34 words
The drape of claim 1 wherein said flap is secured to the main sheet along lines tapering from the upper edge of the flap toward a lower portion of the flap adjacent said opening.
Claim 6
Dependent Claim
31 words
The drape of claim 1 wherein said flap is secured to the main sheet along lines tapering from the upper edge of the flap toward a lower portion of said opening.
Claim 7
Dependent Claim
21 words
The drape of claim 1 wherein said flap comprises a pair of generally aligned transverse fold lines in said main sheet.
Claim 8
Dependent Claim
37 words
The drape of claim 1 wherein said main sheet includes a pair of side edges, and including a second main sheet extending transversely past said side edges on an upper portion of the drape above the fenestration.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-04-04 | 1986-10-04 | 1987-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-04 | 1990-10-04 | 1991-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-04 | 1994-10-04 | 1995-04-05 | $7700.00 | Window Closed / Lapsed |