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US5176691A Expired / Lapsed US ⏱️ 0.0 years remaining

Knot pusher

Assignee: Pierce Instruments Inc
•
Filing: 1990-09-11
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Granted: 1993-01-05
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Expires: 2010-09-11
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Abstract

Abstract A device is provided for advancing a winding of a knot through a space which is too small for conventional methods. The device can be used, for example, to advance the knot of a suture through an endoscopic portal. The device has opposed pulley-like surface for guiding the ends of the suture away from the winding as the winding is advanced through the portal.

Inventors

  • 👤 Javin Pierce

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:40
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04; A61B17/0469; A61B2017/0474

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 75 words
A knot pusher, comprising an elongated rod with a distal end and an outer surface, the distal end including: (a) a face for pushing a suture winding through a small space, and (b) a pair of opposed guiding and retaining means for guiding suture ends away from the winding and for retaining the winding against the face, the face including a depression for receiving the winding as the winding is pushed through the small space.
Claim 2
Dependent Claim 75 words
A knot pusher, comprising an elongated rod with a distal end and an outer surface, the distal end including: (a) a face for pushing a suture winding through a small space, and (b) a pair of opposed guiding and retaining means for guiding suture ends away from the winding and for retaining the winding against the face, the face including a depression for receiving the winding as the winding is pushed through the small space.

References Cited (Backward Citations)

SU305885A1 Cited
US1635066A Cited
US2610631A Cited
US3752516A Cited
SU649416A1 Cited
US4602635A Cited
US4641652A Cited
US4961741A Cited
US5087263A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-01-05 1996-07-06 1997-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-01-05 2000-07-06 2001-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-01-05 2004-07-06 2005-01-05 $7700.00 Window Closed / Lapsed

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