Patent US5534288A successfully refreshed from Google Patents.
US5534288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infection-resistant surgical devices and methods of making them
Assignee: United States Surgical Corp
•
Filing: 1995-02-16
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Granted: 1996-07-09
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Expires: 2015-02-16
Abstract
Abstract Infection resistant surgical devices are prepared by impregnating a substrate with a composition containing glycerine and an antimicrobial agent, preferably a silver salt.
Inventors
- 👤 Elliott A. Gruskin
- 👤 Daniel R. Lee
- 👤 Lloyd S. Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/005; A61L2300/00; A61L2300/10; A61L2300/102; A61L2300/104; A61L2300/40; A61L2300/404; A61L2300/412; A61L2300/45
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
59 words
A method of preparing a black colored surgical device comprising: (a) providing a substrate comprising one or more filaments; (b) impregnating the substrate with a composition comprising glycerine and from about 0.001 to about 15 percent by weight of a silver salt; and (c) imparting a black color to the device by contacting the impregnated substrate with ethylene oxide.
Claim 2
Independent Claim
59 words
A method of preparing a black colored surgical device comprising: (a) providing a substrate comprising one or more filaments; (b) impregnating the substrate with a composition comprising glycerine and from about 0.001 to about 15 percent by weight of a silver salt; and (c) imparting a black color to the device by contacting the impregnated substrate with ethylene oxide.
Claim 3
Dependent Claim
12 words
A method as in claim 1 wherein said substrate is a suture.
Claim 4
Dependent Claim
43 words
The method of claim 1 wherein said silver salt is selected from the group consisting of silver acetate, silver benzoate, silver carbonate, silver iodate, silver iodide, silver lactate, silver laurate, silver nitrate, silver oxide, silver palmitate, silver protein, silver sulfadiazine, and combinations thereof.
Claim 5
Independent Claim
12 words
The method of claims 1 wherein said substrate is a multifilament suture.
Claim 6
Dependent Claim
15 words
The method of claim 4 wherein said multifilament suture is fabricated from an absorbable material.
Claim 7
Dependent Claim
26 words
The method of claim 5 wherein said absorbable material is a synthetic material selected from the group consisting of polymers of glycolide, lactide, p-dioxanone, and e-caprolactone.
Claim 8
Dependent Claim
26 words
The method of claim 4 wherein said multifilament suture is fabricated from a material selected from the group consisting of polypropylene, nylon, polyesters, silk and catgut.
Claim 9
Dependent Claim
14 words
The method of claim 4 wherein the filaments of said multifilament sutures are braided.
Claim 10
Dependent Claim
20 words
The method of claim 1 further comprising the step of applying at least one medico-surgically useful substance to the substrate.
Claim 11
Dependent Claim
38 words
The method of claim 9 wherein said medico-surgically useful substance is a material selected from the group consisting of antibiotics, wound repair agents, tissue growth promoter, plasminogen activator, free radical scavengers, tumor necrosis factor, and immune system enhancer.
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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) | 1999-07-09 | 2000-01-08 | 2000-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-09 | 2004-01-08 | 2004-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-09 | 2008-01-08 | 2008-07-09 | $7700.00 | Window Closed / Lapsed |