Patent US5910143A successfully refreshed from Google Patents.
US5910143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intramedullary alignment guide tool
Assignee: Exactech Inc
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Filing: 1997-11-18
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Granted: 1999-06-08
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Expires: 2017-11-18
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 22:58
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 |