SOFT TISSUE ACCESS APPARATUS AND METHODS FOR SPINAL SURGERY
First Claim
1. A retraction device for retracting bowel from a sacrum, the device comprising a collapsible enclosure that defines a chamber, the collapsible enclosure having a collapsed configuration and an expanded filled configuration when the chamber is filled with a fluid, the expanded filled configuration defining a working channel positioned between the sacrum and the bowel and extending over or through at least a portion of the device.
3 Assignments
0 Petitions
Accused Products
Abstract
Disclosed are surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be avertebral motion segments in the lumbar and sacral regions of the spine. The tool set may a retraction device for retracting bowel from a sacrum. The device can induce a collapsible enclosure that defines a chamber. The collapsible enclosure can have a collapsed configuration and an expanded configuration. In some arrangements, the chamber is filled with an inflation media. The expanded configuration defines a working channel positioned between the sacrum and the bowel and extending over or through at least a portion of the device.
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Citations
45 Claims
- 1. A retraction device for retracting bowel from a sacrum, the device comprising a collapsible enclosure that defines a chamber, the collapsible enclosure having a collapsed configuration and an expanded filled configuration when the chamber is filled with a fluid, the expanded filled configuration defining a working channel positioned between the sacrum and the bowel and extending over or through at least a portion of the device.
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25. A method of providing access to a target site on a sacrum of a patient;
- the method comprising the steps of;
inserting a retraction device comprising an inflatable structure into a presacral space between a bowel of the patient and the sacrum; expanding the inflatable structure with an inflation media, such that the inflatable enclosure expands to retract the bowel from the sacrum to create a working space; and inserting a surgical tool into the working space created between at least portion of the inflatable structure and the sacrum. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
- the method comprising the steps of;
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35. A method of providing access to a target site on the sacrum of the patient, the method comprising the steps of:
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inserting an inserter carrying an inflatable device into a presacral space between a bowel and a sacrum such that a valve and at least a portion of an inflation tube coupled to the inflatable device; attaching the valve to a source of inflation media; and filling the inflatable device with the inflation media to expand the collapsible enclosure and retract the bowel from the sacrum. - View Dependent Claims (36, 37, 38, 39, 40)
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41. A method of providing access to a target site on a sacrum of a patient;
- the method comprising the steps of;
inserting at least part of a retraction device comprising an inflatable structure that defines a channel into a presacral space between a bowel of the patient and the sacrum; and inflating the inflatable structure with an inflation media, such that the inflatable enclosure expands to retract the bowel from the sacrum and enlarge the channel defined through the retraction device to define a working space. - View Dependent Claims (42, 43, 44)
- the method comprising the steps of;
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45. A kit for providing retracting bowel from a sacrum, the kit comprising an inflatable retraction device, an inflation device, an insertion tool, a tubular retractor and a fixation wire.
Specification