Percutaneous endoscopic access tools for the spinal epidural space and related methods of treatment
First Claim
Patent Images
1. A method of accessing a portion of the spine, comprising:
- percutaneously approaching a portion of the spine with an instrument having direct visualization capability;
providing an access to a portion of the spine using the instrument; and
delivering a device into the access provided using the instrument.
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Accused Products
Abstract
Several alternative spinal access devices are described. A number of alternative methods for performing therapies in the spinal region using the described spinal access devices are also described.
168 Citations
151 Claims
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1. A method of accessing a portion of the spine, comprising:
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percutaneously approaching a portion of the spine with an instrument having direct visualization capability;
providing an access to a portion of the spine using the instrument; and
delivering a device into the access provided using the instrument. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for providing therapy to the spine, comprising:
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percutaneously introducing an instrument into a body;
steering the instrument to a position adjacent the outer surface of the spinal dura matter using visualization information provided by the instrument;
displacing the spinal dura matter with a portion of the instrument to enlarge the spinal epidural space; and
advancing the instrument into the enlarged spinal epidural space. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. An endoscopic spinal access device, comprising:
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an elongate body having a distal end and a proximate end, wherein the elongate body is adapted for percutaneous access to the spinal column;
a direct visualization device on the elongate body distal end;
a dissection tip on the elongate body distal end; and
a working channel within the elongate body having an opening on the elongate body distal end. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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70. A method for dispensing an active agent to a portion of the spine, comprising:
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percutaneously approaching a portion of the spine with an instrument having direct visualization capabilities;
creating an access to a portion of the spine by maneuvering the instrument using the direct visualization capabilities of the instrument; and
dispensing an active agent to a portion of the spine using the created access. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95)
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96. An atraumatic spinal expansion device, comprising:
an expandable structure having a distal end and a proximal end, the structure positionable between an expanded position and a stowed position, wherein, when in the expanded position, the structure is adapted to atraumatically deform spinal tissue. - View Dependent Claims (97, 98, 99, 100, 101, 102, 103, 104, 105)
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106. A method of providing therapy to a portion of the spine, comprising:
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advancing a structure having a deployed position and a stowed position towards a spinal treatment site while the structure remains in the stowed position; and
atraumatically deforming spinal tissue by changing the structure from the stowed position to a deployed position. - View Dependent Claims (107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118)
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119. A method of providing a therapy to a portion of the spine, comprising:
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positioning a guide wire adjacent a portion of the spine; and
advancing along the guide wire an instrument adapted to provide a therapy to a portion the spine. - View Dependent Claims (120, 121, 122, 123, 124)
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125. A method of performing a procedure in the spine, comprising:
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positioning a guide wire to form a pathway to a position adjacent a portion of the spine;
advancing an instrument along the guide wire while using a portion of the instrument to atraumatically displace tissue adjacent the pathway to allow passage of the instrument; and
atraumatically displacing the tissue adjacent the instrument using a device provided through a lumen in the instrument. - View Dependent Claims (126, 127, 128)
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129. A method for providing therapy to the spine, comprising:
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introducing a spinal access device into a body;
advancing the spinal access device through an opening formed by an interlaminar space within the spine;
using a portion of the spinal access device to deform spinal dura; and
advancing the spinal access device towards a posterior surface of an annulus. - View Dependent Claims (130, 131, 132, 133, 134, 135)
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136. A device for providing therapy to the spine, comprising:
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a spinal access device comprising first and second working channels, a visualization port and an atraumatic tip;
a shield delivery catheter dimensioned to be deliverable through the first working channel;
a shield disposed on the shield delivery catheter;
a therapy delivery catheter dimensioned to be deliverable through the second working channel; and
a therapy device coupled to the therapy delivery catheter. - View Dependent Claims (137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151)
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Specification