US4122844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical retractor
Assignee: Individual
•
Filing: 1977-03-07
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Granted: 1978-10-31
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Expires: 1997-03-07
Abstract
Abstract A surgical retractor of the invention comprises a shaft, an arm connected to one end of the shaft and a blade connected to the arm. The shaft and the arm lie in the same plane. The blade has a portion extending perpendicularly to the aforementioned plane. The axis of a portion of the shaft including the other end thereof is perpendicular to and laterally offset from the aforementioned portion of the blade. The last mentioned end of the shaft is substantially spaced from the plane of the aforementioned blade portion.
Inventors
- 👤 Philipp Rabban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:52
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
160 words
A hand held surgical retractor comprising a shaft, the shaft having a first portion and a second portion, the second portion being oriented substantially perpendicularly to the first portion, an arm rigidly connected to one end of the second shaft portion and a flat blade rigidly connected to the arm, an end of the first shaft portion being free, a handle being formed at the free end of the first shaft portion, the shaft and the arm lying in the same plane and the blade having a portion extending substantially perpendicularly to said plane and having a free end, a lip formed at said free end and extending away from said handle, the axis of a portion of the shaft including the handle being substantially perpendicular to the plane of said flat blade and laterally offset from said portion of the blade and said end of said first shaft portion being substantially spaced from the plane of said blade portion.
Claim 2
Dependent Claim
160 words
A hand held surgical retractor comprising a shaft, the shaft having a first portion and a second portion, the second portion being oriented substantially perpendicularly to the first portion, an arm rigidly connected to one end of the second shaft portion and a flat blade rigidly connected to the arm, an end of the first shaft portion being free, a handle being formed at the free end of the first shaft portion, the shaft and the arm lying in the same plane and the blade having a portion extending substantially perpendicularly to said plane and having a free end, a lip formed at said free end and extending away from said handle, the axis of a portion of the shaft including the handle being substantially perpendicular to the plane of said flat blade and laterally offset from said portion of the blade and said end of said first shaft portion being substantially spaced from the plane of said blade portion.
Claim 3
Dependent Claim
37 words
A surgical retractor according to claim 1, comprising means for releasably rigidly connecting the arm to the second shaft portion with said portion of the blade at either of two orientations offset from each other by 180°.
Claim 4
Dependent Claim
29 words
A surgical retractor according to claim 1, comprising a plurality of blades and means for releasably rigidly connecting the blades to the arm at various positions on the arm.
Claim 5
Dependent Claim
34 words
A surgical retractor according to claim 1, in which said second shaft portion includes a portion extending substantially parallel to said first shaft portion all portions of said shaft lying in a common plane.
Claim 6
Dependent Claim
24 words
A surgical retractor according to claim 4, in which said portion of said second shaft portion extends from said second shaft toward said handle.
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) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |