Patent US6123707A successfully refreshed from Google Patents.
US6123707A
Expired / Lapsed
US
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Reduction instrument
Assignee: Zimmer Spine Inc
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Filing: 1999-01-13
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Granted: 2000-09-26
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Expires: 2019-01-13
Abstract
Abstract Devices and instruments for use in spinal alignment or spinal reduction include a connector rod designed to attach to a spinal rod connector, a push rod designed to push against a spinal rod, and a connector member designed to hold the rods in adjustable angular relation. Methods of use are also disclosed.
Inventors
- 👤 Erik J. Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:42
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/70; A61B17/7001; A61B17/7035; A61B17/7037; A61B17/7038; A61B17/7041; A61B17/7074; A61B17/7076; A61B17/7077; A61B17/7079; A61B17/7083; A61B17/7086; A61B17/7088
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
108 words
A device for spinal reduction comprising: a first elongated member, comprising an attachment end configured to attach to a spinal rod connector during use; a second elongated member, wherein one end thereof is configured to contact a spinal rod during use; a connecting member configured to engage the second elongated member, wherein the engagement point is adjustable along at least a part of the length of the second elongated member; and a locking mechanism configured to secure the connecting member to the first elongated member; wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use.
Claim 2
Independent Claim
108 words
A device for spinal reduction comprising: a first elongated member, comprising an attachment end configured to attach to a spinal rod connector during use; a second elongated member, wherein one end thereof is configured to contact a spinal rod during use; a connecting member configured to engage the second elongated member, wherein the engagement point is adjustable along at least a part of the length of the second elongated member; and a locking mechanism configured to secure the connecting member to the first elongated member; wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use.
Claim 3
Dependent Claim
24 words
The device of claim 1, wherein the attachment end of the first elongated member is movable from a locked configuration to an unlocked configuration.
Claim 4
Dependent Claim
52 words
The device of claim 2 wherein the first elongated member comprises a threaded inner shaft disposed in an outer shaft with mating internal threads, and wherein turning the inner shaft with respect to the outer shaft is effective to reversibly move the attachment end from a locked configuration to an unlocked configuration.
Claim 5
Dependent Claim
19 words
The device of claim 3, wherein the attachment end comprises a channel configured to receive a spinal rod connector.
Claim 6
Dependent Claim
40 words
The device of claim 4, wherein turning the inner shaft threadably advances an end of the inner shaft into the channel and wherein the end of the inner shaft presses against a spinal rod connector in the channel during use.
Claim 7
Dependent Claim
25 words
The device of claim 2, wherein the attachment end comprises a pair of moveable projections that grip a spinal rod connector in the locked configuration.
Claim 8
Dependent Claim
30 words
The device of claim 1, wherein the end of the second elongated member that is configured to contact a spinal rod is freely rotatable with respect to the elongated member.
Claim 9
Dependent Claim
19 words
The device of claim 7, wherein the freely rotatable end comprises a void configured to receive a spinal rod.
Claim 10
Dependent Claim
14 words
The device of claim 1, wherein the second elongated member comprises a threaded region.
Claim 11
Dependent Claim
26 words
The device of claim 9, wherein the connecting member comprises a threaded opening configured to threadably mate with the threaded region of the second elongated member.
Claim 12
Dependent Claim
13 words
The device of claim 1, wherein the connecting member comprises an arcuate channel.
Claim 13
Dependent Claim
36 words
The device of claim 11, wherein the locking mechanism comprises an eyebolt, wherein the eye of the eyebolt is configured to hold the first elongated member and wherein the eyebolt is slidable in the arcuate channel.
Claim 14
Dependent Claim
78 words
A spinal reduction instrument, comprising: an elongated push rod; a connector rod comprising a member configured to connect to a fixation device; and a plate; wherein the plate is configured to provide a connection between the push rod and the connector rod so that the push rod and the connector rod are held in adjustable angular relation, and further wherein the push rod is moveable along at least a portion of its length with respect to the plate.
Claim 15
Dependent Claim
78 words
A spinal reduction instrument, comprising: an elongated push rod; a connector rod comprising a member configured to connect to a fixation device; and a plate; wherein the plate is configured to provide a connection between the push rod and the connector rod so that the push rod and the connector rod are held in adjustable angular relation, and further wherein the push rod is moveable along at least a portion of its length with respect to the plate.
Claim 16
Dependent Claim
52 words
The instrument of claim 13, wherein the instrument comprises an eyebolt configured to hold the connector rod in the eye of the eyebolt and to provide a threaded projection through the plate, so that turning a threaded member on the threaded projection is effective to press the connector rod against the plate.
Claim 17
Dependent Claim
22 words
The instrument of claim 14, wherein the plate provides an arcuate channel configured such that the eyebolt is slidable in the channel.
Claim 18
Dependent Claim
12 words
The instrument of claim 14, wherein the threaded member is a knob.
Claim 19
Independent Claim
159 words
A device for spinal reduction comprising: a first elongated member, comprising an attachment end configured to attach to a spinal rod connector during use, wherein the first elongated member comprises a threaded inner shaft disposed in an outer shaft with mating internal threads, and wherein turning the inner shaft with respect to the outer shaft is effective to reversibly move the attachment end from a locked configuration to an unlocked configuration; a second elongated member, wherein at least a part of the second elongated member comprises threading, and wherein one end thereof is configured to contact a spinal rod during use; a connecting member comprising a threaded opening configured such that the second elongated member is threadable through the threaded opening; and a locking mechanism configured to secure the connecting member to the first elongated member; wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use.
Claim 20
Independent Claim
159 words
A device for spinal reduction comprising: a first elongated member, comprising an attachment end configured to attach to a spinal rod connector during use, wherein the first elongated member comprises a threaded inner shaft disposed in an outer shaft with mating internal threads, and wherein turning the inner shaft with respect to the outer shaft is effective to reversibly move the attachment end from a locked configuration to an unlocked configuration; a second elongated member, wherein at least a part of the second elongated member comprises threading, and wherein one end thereof is configured to contact a spinal rod during use; a connecting member comprising a threaded opening configured such that the second elongated member is threadable through the threaded opening; and a locking mechanism configured to secure the connecting member to the first elongated member; wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use.
Claim 21
Dependent Claim
52 words
The device of claim 17, wherein the attachment end comprises a channel configured to receive a spinal rod connector, and wherein turning the inner shaft threadably advances an end of the inner shaft into the channel effective to press the inner shaft against a spinal rod connector in the channel during use.
Claim 22
Dependent Claim
25 words
The device of claim 17, wherein the attachment end comprises a pair of moveable projections configured to reversibly grip a spinal rod connector during use.
Claim 23
Dependent Claim
30 words
The device of claim 17, wherein the end of the second elongated member that is configured to contact a spinal rod is freely rotatable with respect to the elongated member.
Claim 24
Dependent Claim
30 words
The device of claim 17, wherein the end of the second elongated member that is configured to contact a spinal rod comprises a void configured to receive a spinal rod.
Claim 25
Dependent Claim
10 words
The device of claim 21, wherein the void is semicircular.
Claim 26
Dependent Claim
13 words
The device of claim 17, wherein the connecting member comprises an arcuate channel.
Claim 27
Dependent Claim
36 words
The device of claim 23, wherein the locking member comprises an eyebolt, wherein the eye of the eyebolt is configured to hold the first elongated member and wherein the eyebolt is slidable in the arcuate channel.
Claim 28
Independent Claim
118 words
A method of manufacturing a spinal reduction device comprising: providing a first elongated member comprising an attachment end configured to attach to a spinal rod connector during use; providing a second elongated member, wherein one end thereof is configured to contact a spinal rod during use; providing a connecting member configured to engage the second elongated member, wherein the engagement point is adjustable along at least a part of the length of the second elongated member, and wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use; and providing a locking mechanism configured to secure the connecting member to the first elongated member during use.
Claim 29
Independent Claim
118 words
A method of manufacturing a spinal reduction device comprising: providing a first elongated member comprising an attachment end configured to attach to a spinal rod connector during use; providing a second elongated member, wherein one end thereof is configured to contact a spinal rod during use; providing a connecting member configured to engage the second elongated member, wherein the engagement point is adjustable along at least a part of the length of the second elongated member, and wherein the connecting member is configured to provide an adjustable angle between the first elongated member and the second elongated member during use; and providing a locking mechanism configured to secure the connecting member to the first elongated member during use.
Claim 30
Dependent Claim
111 words
A spinal reduction instrument, comprising: an elongated push rod; a connector rod; and a plate; an eyebolt configured to hold the connector rod in the eye of the eyebolt and to provide a threaded projection through the plate, so that turning a threaded member on the threaded projection is effective to press the connector rod against the plate; wherein the plate is configured to provide a connection between the push rod and the connector rod so that the push rod and the connector rod are held in adjustable angular relation, and further wherein the push rod is moveable along at least a portion of its length with respect to the plate.
Claim 31
Dependent Claim
111 words
A spinal reduction instrument, comprising: an elongated push rod; a connector rod; and a plate; an eyebolt configured to hold the connector rod in the eye of the eyebolt and to provide a threaded projection through the plate, so that turning a threaded member on the threaded projection is effective to press the connector rod against the plate; wherein the plate is configured to provide a connection between the push rod and the connector rod so that the push rod and the connector rod are held in adjustable angular relation, and further wherein the push rod is moveable along at least a portion of its length with respect to the plate.
Claim 32
Dependent Claim
22 words
The instrument of claim 26, wherein the plate provides an arcuate channel configured such that the eyebolt is slidable in the channel.
Claim 33
Dependent Claim
12 words
The instrument of claim 26, wherein the threaded member is a knob.
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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) | 2003-09-26 | 2004-03-27 | 2004-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-26 | 2008-03-27 | 2008-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-26 | 2012-03-27 | 2012-09-26 | $7700.00 | Window Closed / Lapsed |