Tissue cavitation device and method
First Claim
Patent Images
1. A medical device for cavity formation comprising:
- (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising;
(i) a first shape at a first time for placement within an anatomical structure, and(ii) a second shape at a second time, wherein the second shape of the flexible cutting element is operably configured to be outwardly deformed to form a cavity,(b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member;
(c) a lateral aperture, wherein the lateral aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and
(d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape.
1 Assignment
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Accused Products
Abstract
Provided is a medical device for forming or modifying cavities in tissue. Versions include a blade extendable laterally from a first shape to a second shape to cut tissue in a controlled manner. The first shape may be configured for insertion in accordance with minimally invasive procedures and the second shape may be configured for cutting or forming cavities.
577 Citations
186 Claims
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1. A medical device for cavity formation comprising:
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(a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising; (i) a first shape at a first time for placement within an anatomical structure, and (ii) a second shape at a second time, wherein the second shape of the flexible cutting element is operably configured to be outwardly deformed to form a cavity, (b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member; (c) a lateral aperture, wherein the lateral aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of tissue cavity formation comprising:
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providing a medical device comprising; (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising; (i) a first shape at a first time for placement within an anatomical structure, and (ii) a second shape at a second time, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member, (c) a lateral aperture, wherein the lateral aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough, and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape, inserting the flexible cutting element in the first shape into tissue; deforming the flexible cutting element into the second shape; and forming a tissue cavity.
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14. -74. (canceled)
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75. A medical device for cavity formation comprising:
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(a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising; (i) a deformable elongated body having a first end and a second end, wherein the first end is coupled with the shaft member, (ii) a first shape at a first time configured for placement within an anatomical structure, and (iii) a second shape at a second time, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, wherein the second shape comprises a first concavity and a first convexity and a second concavity and a second convexity, (b) an insertion tube, the insertion tube being configured to retain at least a portion of the shaft member, wherein the second end of the flexible cutting element is coupled with the insertion tube; and (c) a lateral aperture, the lateral aperture having a transverse axis, the lateral aperture being operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape. - View Dependent Claims (76, 77, 78, 79)
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80. -131. (canceled)
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132. A medical device for cavity formation comprising:
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(a) a shaft member extending along a longitudinal axis and including a flexible cutting element having; (i) a deformable elongated body, having a first end and a second end, comprising, (A) a first edge, (B) a second edge, (C) a top surface, the top surface having a top surface effect operably configured to form a lateral cavity, and (D) a bottom surface, (ii) a first shape for placement within an anatomical structure, and (iii) a second shape, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, the insertion tube configured to retain at least a portion of the shaft member, wherein the second end of the flexible cutting element is coupled with the insertion tube; (c) an aperture, wherein the aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape. - View Dependent Claims (133, 134, 135, 136, 137, 138, 139, 140)
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141. A method for lateral cavity formation comprising the steps of:
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providing a medical device for cavity formation comprising; (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising; (i) a deformable elongated body, having a first end and a second end, comprising, (A) a first edge, (B) a second edge, (C) a top surface, the top surface having a top surface effect operably configured to form a lateral cavity, and (D) a bottom surface, and (ii) a first shape for placement within an anatomical structure, and (iii) a second shape, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, the insertion tube configured to retain at least a portion of the shaft member, wherein the second end of the flexible cutting element is coupled with the insertion tube; (c) an aperture, wherein the aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape; and cutting with the top surface such that a tissue cavity is formed. - View Dependent Claims (142, 143, 144, 145)
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146. A method of forming a tissue cavity comprising:
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providing a medical device for cavity formation comprising; (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element comprising; (i) a first shape at a first time for placement within an anatomical structure, and (ii) a second shape at a second time, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member; (c) a lateral aperture, wherein the lateral aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape; and cutting a first tissue cavity portion by rotating the flexible cutting element in the second shape about a central axis less than 360 degrees. - View Dependent Claims (147, 148, 149, 150, 151, 152)
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153. A method of cavity formation comprising the steps of:
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providing a tissue cutting instrument comprising; (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element having; (i) a first cutting element having a first surface effect, (ii) a second cutting element having a second surface effect, (iii) a first shape for placement within an anatomical structure, and (iv) a second shape, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member; (c) an aperture, wherein the aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape; forming a first tissue cavity portion about a first axis; and forming a second tissue cavity portion about a second axis. - View Dependent Claims (154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171)
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172. A method of cavity formation comprising the steps of:
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providing a tissue cutting instrument comprising; (a) a shaft member, extending along a longitudinal axis, associated with a flexible cutting element having; (i) a first cutting element having a first surface effect, (ii) a second cutting element having a second surface effect, (iii) a first shape for placement within an anatomical structure, and (iv) a second shape, wherein the second shape of the flexible cutting element is outwardly deformed to form a cavity, (b) an insertion tube, wherein the insertion tube is operably configured to retain at least a portion of the shaft member; (c) an aperture, wherein the aperture is provided in the insertion tube and is operably configured to accept passage of the second shape of the flexible cutting element therethrough; and (d) an actuator, the actuator being coupled with the insertion tube, wherein the actuator is operably configured to deform the flexible cutting element from the first shape to the second shape; forming a first tissue cavity portion about a first axis; and forming a second tissue cavity portion about the first axis. - View Dependent Claims (173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185)
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186. -216. (canceled)
Specification