US4616641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical shield
Assignee: Individual
•
Filing: 1985-01-28
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Granted: 1986-10-14
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Expires: 2005-01-28
Abstract
Abstract A surgical shield for use during surgical procedures in which lasers are utilized and which comprises a fabric inner sheet interpositioned between a pair of coextensive metal foil sheets. The three sheets are attached together at their peripheries.
Inventors
- 👤 Edward Teeple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/04; A61B46/00; A61B46/20; A61B2046/205; A61B2090/049
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
80 words
A surgical shield for use during laser procedures comprising: a. a fabric inner sheet b. first metallic foil sheets respectively positioned over each side of said fabric inner sheet to coextensively interpose said fabric sheet between said foil sheets; and c. means for attaching together the respective foil and fabric sheets about their peripheries, and further wherein said foil sheets and fabric sheet includes at least one bounded perforation for removing the area bounded thereby to expose an operative field.
Claim 2
Dependent Claim
80 words
A surgical shield for use during laser procedures comprising: a. a fabric inner sheet b. first metallic foil sheets respectively positioned over each side of said fabric inner sheet to coextensively interpose said fabric sheet between said foil sheets; and c. means for attaching together the respective foil and fabric sheets about their peripheries, and further wherein said foil sheets and fabric sheet includes at least one bounded perforation for removing the area bounded thereby to expose an operative field.
Claim 3
Dependent Claim
21 words
A surgical shield as set forth in claim 1, wherein said periphery includes a plurality of eyelets to support said shield.
Claim 4
Dependent Claim
53 words
A surgical shield as set forth in claim 1, wherein opposing edges include elastic material and said shield is folded to provide a "c"-shape, and including means attached to the edge of an outer sheet spanning the open porion of the "c", whereby an indwelling anesthesia circuit is insulated from stray laser radiation.
Claim 5
Dependent Claim
22 words
A surgical shield as set forth in claim 1, wherein said foil is aluminum and said fabric inner sheet comprises cotton fabric.
Claim 6
Dependent Claim
22 words
A surgical shield as set forth in claim 1, wherein said foil is aluminum and said fabric inner sheet comprises cotton gauze.
Claim 7
Dependent Claim
23 words
A surgical shield as set forth in claim 1, wherein at least one of said foil sheets has an outer matte surface finish.
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) | 1989-10-13 | 1990-04-14 | 1990-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-13 | 1994-04-14 | 1994-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-13 | 1998-04-14 | 1998-10-14 | $7700.00 | Window Closed / Lapsed |