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US6419677B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Spine distraction implant and method

Assignee: Medtronic Europe SARL
•
Filing: 2001-01-04
•
Granted: 2002-07-16
•
Expires: 2021-01-04
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Abstract

Abstract A spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume in the spine canal and/or neural foramen. The implant provides a spinal extension stop while allowing freedom of spinal flexion.

Inventors

  • 👤 James F. Zucherman
  • 👤 Ken Y. Hsu
  • 👤 T. Wade Fallin
  • 👤 Henry A. Klyce

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:17
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/365; A61K31/366; A61K31/37; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/70; A61B17/7062; A61B17/7065; A61B17/7068; A61B17/60; A61B17/66; A61B17/7071; A61B17/02; A61B17/025; A61B2017/0256

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 203 words
A method of relieving pain associated with at least one of the spinal column and associated tissues and structures including the steps of: accessing first sides and second sides of adjacent first and second spinous processes of the spinal column with an incision; distracting the first and second spinous processes a sufficient amount in order to increase the volume of the spinal canal and/or neural foramen in the spinal column in order to relieve pain; and implanting a first portion of a device through said incision adjacent first sides of the spinous processes and a second portion of said device through said incision adjacent second sides of the spinous processes, until said portions can be mated; said device including a fastener, with the fastener used in a step of securing the first portion to the second portion in the mated configuration in order to maintain the amount of distraction required to relieve the pain; and using a tool having a first arm on to which is mounted the first portion of the device and a second arm on to which is mounted the second portion of the device in order to urge the first portion and the second portion into the mating position.
Claim 2
Independent Claim 203 words
A method of relieving pain associated with at least one of the spinal column and associated tissues and structures including the steps of: accessing first sides and second sides of adjacent first and second spinous processes of the spinal column with an incision; distracting the first and second spinous processes a sufficient amount in order to increase the volume of the spinal canal and/or neural foramen in the spinal column in order to relieve pain; and implanting a first portion of a device through said incision adjacent first sides of the spinous processes and a second portion of said device through said incision adjacent second sides of the spinous processes, until said portions can be mated; said device including a fastener, with the fastener used in a step of securing the first portion to the second portion in the mated configuration in order to maintain the amount of distraction required to relieve the pain; and using a tool having a first arm on to which is mounted the first portion of the device and a second arm on to which is mounted the second portion of the device in order to urge the first portion and the second portion into the mating position.
Claim 3
Dependent Claim 41 words
The method of claim 1 wherein said the first and second arms of the tool are pivotally mounted to each other and the method includes pivoting at least one of the first and second arms in order to implant the device.
Claim 4
Dependent Claim 14 words
The method of claim 1 wherein said distracting and implanting steps are done simultaneously.
Claim 5
Dependent Claim 65 words
The method of claim 1 wherein one of the first portion and the second portion of the device includes the fastener which has a capture mechanism and the securing step includes urging the first portion and the second portion together until the capture mechanism of one of the first portion and the second portion captures the other of the first portion and the second portion.
Claim 6
Dependent Claim 55 words
The method of claim 1 wherein said first arm of the tool mates with the second arm of the tool in order to align the first portion of the device with the second portion of the device during the method of securing the first portion of the device to the second portion of the device.
Claim 7
Dependent Claim 45 words
The method of claim 1 wherein said the first and second arms of the tool are movably mounted to each other and the method includes moving at least one of the first and second arms relative to the other in order to implant the device.
Claim 8
Independent Claim 148 words
A method of relieving pain associated with at least one of the spinal column and associated tissues and structures including the steps of: accessing first sides and second sides of adjacent first and second spinous processes of the spinal column; implanting a first portion of a device adjacent first sides of the spinous processes and a second portion of said device adjacent second sides of the spinous processes, until said portions can be mated; said device including a fastener, with the fastener used in a step of securing the first portion to the second portion in the mated configuration; and using a tool having a first arm on to which is mounted the first portion of the device and a second arm on to which is mounted the second portion of the device in order to urge the first portion and the second portion into the mating position.
Claim 9
Independent Claim 148 words
A method of relieving pain associated with at least one of the spinal column and associated tissues and structures including the steps of: accessing first sides and second sides of adjacent first and second spinous processes of the spinal column; implanting a first portion of a device adjacent first sides of the spinous processes and a second portion of said device adjacent second sides of the spinous processes, until said portions can be mated; said device including a fastener, with the fastener used in a step of securing the first portion to the second portion in the mated configuration; and using a tool having a first arm on to which is mounted the first portion of the device and a second arm on to which is mounted the second portion of the device in order to urge the first portion and the second portion into the mating position.
Claim 10
Dependent Claim 41 words
The method of claim 7 wherein said the first and second arms of the tool are pivotally mounted to each other and the method includes pivoting at least one of the first and second arms in order to implant the device.
Claim 11
Dependent Claim 20 words
The method of claim 7 wherein prior to said implanting steps is the step of distracting apart the spinous processes.
Claim 12
Dependent Claim 65 words
The method of claim 7 wherein one of the first portion and the second portion of the device includes the fastener which has a capture mechanism and the securing step includes urging the first portion and the second portion together until the capture mechanism of one of the first portion and the second portion captures the other of the first portion and the second portion.
Claim 13
Dependent Claim 55 words
The method of claim 7 wherein said first arm of the tool mates with the second arm of the tool in order to align the first portion of the device with the second portion of the device during the method of securing the first portion of the device to the second portion of the device.
Claim 14
Dependent Claim 45 words
The method of claim 7 wherein said the first and second arms of the tool are movably mounted to each other and the method includes moving at least one of the first and second arms relative to the other in order to implant the device.
Claim 15
Independent Claim 167 words
A system for relieving pain associated with at least one of the spinal column and associated tissues and structures comprising: an implant with a first portion and a second portion; said implant including a fastening device that can secure the first portion to the second portion when the first portion is mated to the second portion; and a tool that has a first arm to which can be mounted the first portion of the device and a second arm to which can be mounted the second portion of the device, with the first and second arms used together to mate the first portion of the device to the second portion of the device; and wherein said first arm is mounted to the second arm in order to allow the first portion of the implant to be aligned with the second portion of the implant so that the first portion and the second portion can move from a first separated and unmated position to a second mated position.
Claim 16
Independent Claim 167 words
A system for relieving pain associated with at least one of the spinal column and associated tissues and structures comprising: an implant with a first portion and a second portion; said implant including a fastening device that can secure the first portion to the second portion when the first portion is mated to the second portion; and a tool that has a first arm to which can be mounted the first portion of the device and a second arm to which can be mounted the second portion of the device, with the first and second arms used together to mate the first portion of the device to the second portion of the device; and wherein said first arm is mounted to the second arm in order to allow the first portion of the implant to be aligned with the second portion of the implant so that the first portion and the second portion can move from a first separated and unmated position to a second mated position.
Claim 17
Dependent Claim 35 words
The system of claim 13 wherein at least one of the first portion and the second portion includes a fastening device that can be used to secure the first portion and the second portion together.
Claim 18
Dependent Claim 16 words
The system of claim 13 wherein the first arm is pivotally mounted to the second arm.
Claim 19
Dependent Claim 34 words
The system of claim 13 wherein said first arm is aligned with the second arm in order to cause the first portion of the implant to mate with the second portion of the implant.
Claim 20
Dependent Claim 42 words
The system of claim 14 wherein said fastening device includes a mechanism located on one of the first portion and the second portion of the implant that can capture the other of the first portion and the second portion of the implant.
Claim 21
Dependent Claim 16 words
The system of claim 13 wherein said first arm is movably mounted to the second arm.

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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) 2005-07-15 2006-01-14 2006-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-07-15 2010-01-14 2010-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-07-15 2014-01-14 2014-07-16 $7700.00 Window Closed / Lapsed

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