Patent US6042541A successfully refreshed from Google Patents.
US6042541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device for a surgical retractor
Assignee: Minnesota Scientific Inc
•
Filing: 1998-11-25
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Granted: 2000-03-28
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Expires: 2018-11-25
Abstract
Abstract A clamping device for use in a surgical retractor support includes a first clamp member for clamping a first retractor support. The first clamp member has a first opening that is disposed along a longitudinal axis of the first retractor support for receiving the first retractor support. A pin disposed within the clamp member has a cam surface for acting on the first retractor support member. A handle operable with the pin for moving the cam surface between a first nonlocking position and a second locking position for locking the first retractor support member from movement. Preferably a wedge section is positioned between the cam surface and the first retractor support such that the wedge section frictionally engages the first retractor support when the cam surface is in the second locking position. The clamping device also has a second clamp member for clamping a second retractor support.
Inventors
- 👤 Walter J. Dobrovolny
- 👤 Todd W. Sharratt
- 👤 Steven M. LeVahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:45
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
112 words
A clamping device for use in a surgical retractor support which includes a retractor support member, the clamping device comprising: a clamp member for clamping the retractor support member, the clamp member having a first opening therethrough disposed along a longitudinal axis of the retractor support member for receiving the retractor support member; a pin disposed within the clamp member, the pin having a cam surface for maneuvering the retractor support member; and a handle operable with the pin for moving the cam surface between a first position and a second locking position for locking the retractor support member from movement when the retractor support member is positioned in the first opening.
Claim 2
Dependent Claim
112 words
A clamping device for use in a surgical retractor support which includes a retractor support member, the clamping device comprising: a clamp member for clamping the retractor support member, the clamp member having a first opening therethrough disposed along a longitudinal axis of the retractor support member for receiving the retractor support member; a pin disposed within the clamp member, the pin having a cam surface for maneuvering the retractor support member; and a handle operable with the pin for moving the cam surface between a first position and a second locking position for locking the retractor support member from movement when the retractor support member is positioned in the first opening.
Claim 3
Dependent Claim
43 words
The clamping device of claim 1 and further including a chamber and a dog positioned within the chamber such that the cam surface of the pin acts on the dog moving the dog to lock the retractor support member in a selected position.
Claim 4
Dependent Claim
35 words
The clamping device of claim 2 wherein the dog includes a bore through which the retractor support member extends, and wherein when the dog is moved, the retractor support member is frictionally retained from movement.
Claim 5
Dependent Claim
114 words
A clamping device for use in a surgical retractor support which includes a retractor support member, the clamping device comprising: a clamp member for clamping the retractor support member, the clamp member having an opening therethrough disposed along a longitudinal axis of the retractor support member for receiving the retractor support member; a pin disposed within the clamp member, the pin having a cam surface for providing a force to clamp the retractor support member; and a handle operable with the pin for moving the cam surface between a first position and a second locking position for locking the retractor support member from movement when the retractor support member is positioned in the opening.
Claim 6
Dependent Claim
114 words
A clamping device for use in a surgical retractor support which includes a retractor support member, the clamping device comprising: a clamp member for clamping the retractor support member, the clamp member having an opening therethrough disposed along a longitudinal axis of the retractor support member for receiving the retractor support member; a pin disposed within the clamp member, the pin having a cam surface for providing a force to clamp the retractor support member; and a handle operable with the pin for moving the cam surface between a first position and a second locking position for locking the retractor support member from movement when the retractor support member is positioned in the opening.
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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) | 2003-03-28 | 2003-09-27 | 2004-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-28 | 2007-09-27 | 2008-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-28 | 2011-09-27 | 2012-03-28 | $7700.00 | Window Closed / Lapsed |