US4274398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical retractor utilizing elastic tubes frictionally held in spaced notches
Assignee: CooperSurgical Inc
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Filing: 1979-05-14
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Granted: 1981-06-23
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Expires: 1999-05-14
Abstract
Abstract A surgical retractor, which includes a frame conformed to fit the surface contour of the portion of the body to be operated on and at least one stay which includes an elastic member and tissue holding means. The frame has a plurality of notches spaced about its periphery and the elastic member of the stay is adapted to be inserted into one of the notches and held in place by friction to retract the tissue.
Inventors
- 👤 Frank B. Scott, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0293; A61B2017/0287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A surgical retractor for use in performing surgery upon a portion of the body having a surface contour, which comprises: a generally annular frame conformed to fit the surface contour of the portion of the body to be operated upon, said frame having a periphery, said periphery having a plurality of notches having a width and depth spaced thereabout; a stay which includes an elastic member having a length and a width and tissue holding means attached thereto, wherein the width of said elastic member is greater than the width of said notches such that said elastic member is held in place by friction when inserted into one of said notches; and said elastic member includes a section of elastic tubing and said tissue holding means including a hook having a handle portion inserted in said tubing.
Claim 2
Dependent Claim
137 words
A surgical retractor for use in performing surgery upon a portion of the body having a surface contour, which comprises: a generally annular frame conformed to fit the surface contour of the portion of the body to be operated upon, said frame having a periphery, said periphery having a plurality of notches having a width and depth spaced thereabout; a stay which includes an elastic member having a length and a width and tissue holding means attached thereto, wherein the width of said elastic member is greater than the width of said notches such that said elastic member is held in place by friction when inserted into one of said notches; and said elastic member includes a section of elastic tubing and said tissue holding means including a hook having a handle portion inserted in said tubing.
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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) | 1984-06-22 | 1984-12-22 | 1985-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-22 | 1988-12-22 | 1989-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-22 | 1992-12-22 | 1993-06-23 | $7700.00 | Window Closed / Lapsed |