Patent US4024862A successfully refreshed from Google Patents.
US4024862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drape for expanded surgical procedure
Assignee: Boundary Healthcare Products Corp
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Filing: 1976-05-12
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Granted: 1977-05-24
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Expires: 1996-05-12
Abstract
Abstract A sterile drape for selectively performing an expanded surgical procedure comprising, a flexible main sheet having a lower surface facing toward a patient after placement of the drape, and an upper surface facing away from the patient after placement of the drape. The drape has a fenestration of a sufficient size for performing an enlarged surgical procedure. The drape also has a flexible frame sheet removably secured to the upper surface of the drape around the fenestration. The frame sheet has a fenestration of a size smaller than and aligned with the drape fenestration for performing a reduced surgical procedure. The frame sheet is removed from the drape for performing the enlarged surgical procedure through the drape fenestration.
Inventors
- 👤 Robert F. Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
A; A61; A61B; A61B46/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
124 words
A sterile drape for selectively performing an expanded surgical procedure, comprising: a flexible main sheet having a lower surface facing toward a patient after placement of the drape, and an upper surface facing away from the patient after placement of the drape, said drape having a fenestration of a sufficient size for performing an enlarged surgical procedure; and a flexible frame sheet having a size greater than said drape fenestration and removably secured to the upper surface of the drape around said fenestration, said frame sheet having a fenestration of a size smaller than and aligned with the drape fenestration for performing a reduced surgical procedure, said frame sheet being removed from the drape for performing the enlarged surgical procedure though the drape fenestration.
Claim 2
Dependent Claim
124 words
A sterile drape for selectively performing an expanded surgical procedure, comprising: a flexible main sheet having a lower surface facing toward a patient after placement of the drape, and an upper surface facing away from the patient after placement of the drape, said drape having a fenestration of a sufficient size for performing an enlarged surgical procedure; and a flexible frame sheet having a size greater than said drape fenestration and removably secured to the upper surface of the drape around said fenestration, said frame sheet having a fenestration of a size smaller than and aligned with the drape fenestration for performing a reduced surgical procedure, said frame sheet being removed from the drape for performing the enlarged surgical procedure though the drape fenestration.
Claim 3
Dependent Claim
15 words
The drape of claim 1 wherein said frame sheet is releasably adhered to the drape.
Claim 4
Dependent Claim
35 words
The drape of claim 2 wherein the drape includes a plastic material extending around the fenestration and facing toward the frame sheet, and in which the frame sheet is releasably adhered to said plastic material.
Claim 5
Dependent Claim
18 words
The drape of claim 1 wherein the frame sheet includes a plastic material facing toward the drape fenestration.
Claim 6
Dependent Claim
22 words
The drape of claim 1 including a flexible reinforcement strip secured to the main sheet and extending peripherally around the drape fenestration.
Claim 7
Dependent Claim
19 words
The drape of claim 5 wherein said reinforcement strip is secured to the upper surface of said main sheet.
Claim 8
Dependent Claim
21 words
The drape of claim 6 wherein said main sheet and reinforcement strip have coextensive peripheral edges extending around the drape fenestration.
Claim 9
Dependent Claim
22 words
The drape of claim 7 wherein said frame sheet is adhered to the reinforcement strip around the periphery of the drape fenestration.
Claim 10
Dependent Claim
73 words
The drape of claim 6 wherein said main sheet and reinforcement strip have peripheral edges extending around said drape fenestration, the peripheral edges of said reinforcement strip are set back from the peripheral edges of the main sheet defining marginal edges of the main sheet extending peripherally around the drape fenestration, and in which said frame sheet is releasably adhered to the marginal edges of the main sheet peripherally around the drape fenestration.
Claim 11
Dependent Claim
44 words
The drape of claim 9 wherein the peripheral edges of the reinforcement strip are set back a sufficient distance from the peripheral edges of the main sheet for the peripheral edges of the reinforcement strip to extend around peripheral edges of the frame sheet.
Claim 12
Dependent Claim
19 words
The drape of claim 5 wherein said reinforcement strip is secured to the lower surface of said main sheet.
Claim 13
Dependent Claim
21 words
The drape of claim 11 wherein said main sheet and reinforcement strip have coextensive peripheral edges extending around the drape fenestration.
Claim 14
Dependent Claim
73 words
The drape of claim 11 wherein said main sheet and reinforcement strip have peripheral edges extending around said drape fenestration, the peripheral edges of the main sheet are set back from the peripheral edges of the reinforcement strip defining marginal edges of the reinforcement strip extending peripherally around the drape fenestration, and in which said frame sheet is releasably adhered to the marginal edges of the reinforcement strip peripherally around the drape fenestration.
Claim 15
Dependent Claim
50 words
The drape of claim 1 including a second frame sheet secured to an upper surface of the first frame sheet around the fenestration of the first frame sheet, said second frame sheet having a fenestration of a size smaller than and aligned with the fenestration of the first frame sheet.
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) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |