US5743853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serrated S-retractor
Assignee: Applied Medical Resources Corp
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Filing: 1996-09-09
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Granted: 1998-04-28
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Expires: 2016-09-09
Abstract
Abstract An apparatus for use in surgery includes an instrument body having a middle portion and first and second ends. The instrument body is S-shaped along its length, with the middle portion being straight. At least one of the first or second ends is serrated for use in dissection of tissue.
Inventors
- 👤 Robert A. Lauderdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/32; A61B2017/320044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
Apparatus for use in surgery, comprising: an instrument body being formed of a strip of metal about 10 inches long, about 3/8 inch wide, and about 1/16 inch thick; the instrument body having a middle portion and first and second ends; the instrument body being S-shaped along its length, with the middle portion being straight, and the first end being circularly bent from the middle portion about 100 degrees, the second end being circularly bent about 90 degrees in the opposite direction from the first end; the first end being rounded in the wide direction; and the second end being specially adapted for tissue dissection, by being serrated in the wide direction, with four teeth about 1/16 inch wide, about 1/8 inch long and about 1/16 inch apart, the teeth extending perpendicularly from the second end in a direction parallel to and spaced apart from the middle portion, and the teeth extending in a direction generally towards the middle portion.
Claim 2
Dependent Claim
160 words
Apparatus for use in surgery, comprising: an instrument body being formed of a strip of metal about 10 inches long, about 3/8 inch wide, and about 1/16 inch thick; the instrument body having a middle portion and first and second ends; the instrument body being S-shaped along its length, with the middle portion being straight, and the first end being circularly bent from the middle portion about 100 degrees, the second end being circularly bent about 90 degrees in the opposite direction from the first end; the first end being rounded in the wide direction; and the second end being specially adapted for tissue dissection, by being serrated in the wide direction, with four teeth about 1/16 inch wide, about 1/8 inch long and about 1/16 inch apart, the teeth extending perpendicularly from the second end in a direction parallel to and spaced apart from the middle portion, and the teeth extending in a direction generally towards the middle portion.
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) | 2001-04-27 | 2001-10-27 | 2002-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-04-27 | 2005-10-27 | 2006-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-04-27 | 2009-10-27 | 2010-04-28 | $7700.00 | Window Closed / Lapsed |