Patent US5507774A successfully refreshed from Google Patents.
US5507774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument capable of disassembly
Assignee: Wright Medical Technology Inc
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Filing: 1993-10-08
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Granted: 1996-04-16
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Expires: 2013-10-08
Abstract
Abstract A surgical instrument which easily disassembles for sterilization comprises an inner rod coaxially disposed in a hollow tube with a handle at one end of the rod and a working tip at the other end. The handle is detachably interconnected to the inner rod and the inner rod is detachably interconnected to the hollow tube by the cooperation of at least one locking pin secured to the inner rod and a locking tab formed on the inner surface of the hollow tube.
Inventors
- 👤 J. Stephen Holmes
- 👤 Charles E. Beuchat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/29; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1442; A61B2017/0046; A61B17/2909; A61B2017/2912; A61B2017/2919; A61B2017/292; A61B2017/2926; A61B2017/2927; A61B2017/2929; A61B90/00; A61B90/08; A61B2090/0813
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
166 words
A surgical instrument comprising a hollow tube having a longitudinal axis, an inner rod having proximal and distal ends and extending through said hollow tube, handle means for imparting reciprocal movement to said inner rod relative to said hollow tube, a working tip attached to said distal end, said handle means comprising a pair of handles, a locking rod engageable with said handle means and comprising inner and outer portions, one of said portions being of smaller diameter than the other of said portions, and one of said handles being engageable with respect to said locking rod by means of a ring attached to said handle, said ring having a gap, the width of said gap being greater than the diameter of the one, smaller portion of said locking rod and being smaller than the diameter of the other, larger portion of said locking rod, said ring being beveled such that the thickness of said ring is narrowest at an outer edge thereof adjacent the gap.
Claim 2
Dependent Claim
166 words
A surgical instrument comprising a hollow tube having a longitudinal axis, an inner rod having proximal and distal ends and extending through said hollow tube, handle means for imparting reciprocal movement to said inner rod relative to said hollow tube, a working tip attached to said distal end, said handle means comprising a pair of handles, a locking rod engageable with said handle means and comprising inner and outer portions, one of said portions being of smaller diameter than the other of said portions, and one of said handles being engageable with respect to said locking rod by means of a ring attached to said handle, said ring having a gap, the width of said gap being greater than the diameter of the one, smaller portion of said locking rod and being smaller than the diameter of the other, larger portion of said locking rod, said ring being beveled such that the thickness of said ring is narrowest at an outer edge thereof adjacent the gap.
Claim 3
Dependent Claim
28 words
A surgical instrument according to claim 1 wherein the larger portion of said locking rod is engageable with the gapped ring by way of a center hole thereof.
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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) | 1999-04-16 | 1999-10-16 | 2000-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-16 | 2003-10-16 | 2004-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-16 | 2007-10-16 | 2008-04-16 | $7700.00 | Window Closed / Lapsed |