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Interspinous process spacer diagnostic parallel balloon catheter and method of use

A balloon catheter and diverter technology, applied in the field of device treatment of spinal stenosis, can solve problems such as limitation

Inactive Publication Date: 2011-08-31
凯福恩公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These diagnostic modalities may be sensitive and specific for lumbar spinal stenosis, but they are limited in their ability to identify suitable interspinous distractor candidates

Method used

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  • Interspinous process spacer diagnostic parallel balloon catheter and method of use
  • Interspinous process spacer diagnostic parallel balloon catheter and method of use
  • Interspinous process spacer diagnostic parallel balloon catheter and method of use

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Embodiment Construction

[0023] As used in this specification and claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, "a component" is intended to mean a single component or a combination of components, and "a material" is intended to mean one or more materials, or a combination thereof. Furthermore, the terms "proximal" and "distal" refer to directions approaching or away from, respectively, an operator (e.g., surgeon, doctor, nurse, technician, etc.) ) into the patient first. Thus, for example, the end of the device that is inserted first into the patient is the distal end of the device and the last that enters the patient is the proximal end of the device.

[0024] As used in this specification and claims, the term "body" when used in connection with a location in which a device is placed to treat lumbar spinal stenosis, or thereby teaching or practicing methods of implantation of a device, means a mammalian bod...

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Abstract

An interspinous process spacer diagnostic parallel balloon catheter and method. The balloon catheter has a plurality of main expandable members disposed one inside another, a distal expandable member and a proximal expandable member that all can be expanded from a collapsed configuration to an expanded configuration and then collapsed again to a collapsed configuration. The device can be used to determine whether a particular patient is a candidate for implantation of an interspinous process spacer to treat the symptoms of lumbar spinal stenosis and the size of such a spacer if indicated.

Description

technical field [0001] The present invention relates generally to the treatment of spinal disorders, and more particularly to the treatment of spinal stenosis using a device implanted between adjacent spinous processes. Background technique [0002] Neurogenic claudication syndrome caused by lumbar spinal stenosis is a frequent source of pain in the lower back, causing impaired walking, and contributing to other forms of geriatric disease. Although the incidence and prevalence of symptomatic lumbar spinal stenosis has not been established, the condition is the most frequent indication for spinal canal surgery in persons older than 65 years of age. [0003] Lumbar spinal stenosis is a disorder of the spinal canal characterized by narrowing of the lumbar spinal canal. With spinal stenosis, the spinal canal narrows and pinches the spinal cord and nerves, causing back and leg pain. It is estimated that nearly 5 in 10,000 people develop lumbar spinal stenosis each year. Nearly...

Claims

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Application Information

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IPC IPC(8): A61B17/56A61F2/958
CPCA61B2017/00557A61B2017/0256A61B17/7065A61M25/1029A61B17/70A61M25/10A61M29/02
Inventor 布赖恩·J·奥扬
Owner 凯福恩公司
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