Interspinous process spacer diagnostic balloon catheter and methods of use
First Claim
Patent Images
1. An interspinous process spacer diagnostic balloon catheter, comprising:
- an elongate member;
a main expandable member connected to a distal portion of the elongate member and configured for disposal between adjacent spinous processes, the main expandable member comprises a height equal to a distance between adjacent spinous processes and a width substantially equal to the width of a typical spinous process;
a distal expandable member connected to a distal portion of the elongate member adjacent to a distal end of the main expandable member and configured for disposal on a distal side of adjacent spinous processes;
a proximal expandable member connected to a distal portion of the elongate member adjacent to a proximal end of the main expandable member and configured for disposal adjacent spinous processes on an opposite side of the distal expandable member; and
a plurality of lumens disposed in the elongate member in communication with one or more of the main expandable member, the distal expandable member and the proximal expandable member,wherein the proximal and distal expandable members each have a height that is greater than the distance between adjacent spinous processes and greater than the height of the main expandable member,wherein the distal expandable member and the proximal expandable member are configured to lock the diagnostic balloon catheter in place.
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Abstract
An interspinous process spacer diagnostic balloon catheter and method. The balloon catheter has a main expandable member, 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.
435 Citations
20 Claims
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1. An interspinous process spacer diagnostic balloon catheter, comprising:
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an elongate member; a main expandable member connected to a distal portion of the elongate member and configured for disposal between adjacent spinous processes, the main expandable member comprises a height equal to a distance between adjacent spinous processes and a width substantially equal to the width of a typical spinous process; a distal expandable member connected to a distal portion of the elongate member adjacent to a distal end of the main expandable member and configured for disposal on a distal side of adjacent spinous processes; a proximal expandable member connected to a distal portion of the elongate member adjacent to a proximal end of the main expandable member and configured for disposal adjacent spinous processes on an opposite side of the distal expandable member; and a plurality of lumens disposed in the elongate member in communication with one or more of the main expandable member, the distal expandable member and the proximal expandable member, wherein the proximal and distal expandable members each have a height that is greater than the distance between adjacent spinous processes and greater than the height of the main expandable member, wherein the distal expandable member and the proximal expandable member are configured to lock the diagnostic balloon catheter in place. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of diagnosing a spinal disorder of a patient, comprising:
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unilaterally inserting an expandable member while in a closed orientation into an interspinous space between adjacent spinous processes of the patient, with the expandable member in a closed configuration; inflating expanding the expandable member to a first expanded diameter size; thereafter, identifying whether the patient experiences pain relief when the expandable member is expanded to the first expanded size and disposed in the interspinous space diameter; thereafter, deflating the expandable member to collapse collapsing the expandable member to a size smaller than the first expanded size; thereafter, removing the expandable member from the interspinous space; thereafter, implanting an interspinous process spacer into the Interspinous space, the spacer selected based on whether the patient experiences pain relief when the expandable member is expanded to the first expanded size patient. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification