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US5910143A Expired / Lapsed US ⏱️ 0.0 years remaining

Intramedullary alignment guide tool

Assignee: Exactech Inc
•
Filing: 1997-11-18
•
Granted: 1999-06-08
•
Expires: 2017-11-18
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Abstract

Abstract A handling tool for coupling to a cutting guide includes a substantially elongate first end shaped to be grasped by human hand. The tool includes at least two mating tines, disposed at a second end of the tool. The mating tines are biased to move toward each other and are forced apart from each other by a cam portioned therebetween. The mating tines each include a mating means for mating the tool with the cutting guide.

Inventors

  • 👤 Phil Cripe
  • 👤 Cary M. Mauldin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:38
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/17; A61B17/1739; A61B17/1764; A61B17/14; A61B17/15; A61B17/154; A61B17/155; A61B2017/0046

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 84 words
A handling tool for coupling to a cutting guide, including: (a) a substantially elongate first end shaped to be grasped by a human hand; and (b) at least two mating tines, disposed at a second end of the tool, wherein the mating tines are biased to move towards each other, and wherein the mating tines are forced apart from each other by a cam portioned therebetween, and wherein the mating tines each include a mating feature for mating the tool with the cutting guide.
Claim 2
Dependent Claim 84 words
A handling tool for coupling to a cutting guide, including: (a) a substantially elongate first end shaped to be grasped by a human hand; and (b) at least two mating tines, disposed at a second end of the tool, wherein the mating tines are biased to move towards each other, and wherein the mating tines are forced apart from each other by a cam portioned therebetween, and wherein the mating tines each include a mating feature for mating the tool with the cutting guide.
Claim 3
Dependent Claim 76 words
The tool of claim 1, wherein the mating feature is comprised of a guide knob and a locking dovetail positioned at a distal end of the mating tine, and wherein the guide knob is shaped to be received by a guide slot in the cutting guide, and wherein the locking dovetail secures the tool to the guide when the guide knob is inserted into the guide slot and the tines are forced apart by the cam.
Claim 4
Dependent Claim 20 words
The tool of claim 1, further comprising a sighting rod for aligning with a mechanical axis of a patient's femur.
Claim 5
Dependent Claim 15 words
The tool of claim 3, having at least one opening for receiving the sighting rod.
Claim 6
Dependent Claim 15 words
The tool of claim 4, wherein said at least one opening includes a cylindrical bore.
Claim 7
Dependent Claim 14 words
The tool of claim 4, wherein said at least one opening includes a slot.
Claim 8
Dependent Claim 10 words
The tool of claim 1 wherein the cam is elliptical.
Claim 9
Dependent Claim 22 words
The tool of claim 1 wherein the mating feature further includes an insertion knob received by a slot in the cutting guide.

References Cited (Backward Citations)

US4487203A Cited
US4474177A Cited
US4901712A Cited
EP0340176A2 Cited
EP0538153A1 Cited
US5707371A Cited
US5445642A Cited
US5423826A Cited
US5417694A Cited
US5782830A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-06-07 2002-12-07 2003-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-06-07 2006-12-07 2007-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-06-07 2010-12-07 2011-06-08 $7700.00 Window Closed / Lapsed

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