Apparatus for thermal treatment of tissue
First Claim
1. An apparatus for thermal treatment of tissue, which comprises:
- a housing portion dimensioned to be grasped with the hand of a user; and
an elongate portion connected to the housing portion and extending distally therefrom, the elongate portion dimensioned for insertion within a narrow body passage and defining a longitudinal axis, the elongate portion including;
at least one delivery catheter having proximal and distal end portions, the one delivery catheter movable relative to the housing portion and in a general longitudinal direction between a retracted position and an advanced position; and
an electromagnetic probe disposed within the one delivery catheter and moveable in a general longitudinal direction within the one delivery catheter to extend a probe end portion thereof beyond the distal end portion of the one delivery catheter and within tissue, the electromagnetic probe being adapted to follow a path defined by the distal end portion of the one delivery catheter, the electromagnetic probe being connected to a thermal energy source; and
a control member rotatably mounted to the housing portion and operatively connected to the one delivery catheter, the control member rotatably movable to selectively incrementally move the one delivery catheter in the general longitudinal direction between the retracted position and the advanced position.
2 Assignments
0 Petitions
Accused Products
Abstract
An auxiliary electromagnetic thermal treatment apparatus for use with an endoscope to provide the endoscope with electromagnetic thermal treatment capabilities includes a handle portion and an elongate portion connected to the handle portion and dimensioned to be at least partially inserted within a working channel of an endoscope. The elongate portion includes at least one delivery tube having a memory portion comprised of a shape memory material and defining a normally unstressed curved configuration. The delivery tube is longitudinally moveable relative to the handle portion to extend the memory portion beyond the working channel of the endoscope such that the memory portion assumes the normal unstressed curved configuration thereof. An electromagnetic probe is disposed within the delivery tube and is longitudinally moveable relative to the delivery tube to extend a probe end portion thereof beyond the delivery tube and within tissue. The electromagnetic probe is adapted to follow the curved configuration of the memory portion of the delivery tube for deployment at an angularly oriented relation with respect to the endoscope. A rotatable control member is mounted to the handle portion and operatively connected to the one delivery tube. The control member is rotatable to move the delivery tube between a first retracted position and a second advanced position. An actuator is also mounted to the handle portion and is operatively connected to the electromagnetic probe. The actuator is moveable to extend the probe end portion beyond the delivery tube. A combination of an endoscope and an auxiliary thermal treatment device and a method for thermally treating tissue is also provided.
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Citations
25 Claims
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1. An apparatus for thermal treatment of tissue, which comprises:
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a housing portion dimensioned to be grasped with the hand of a user; and an elongate portion connected to the housing portion and extending distally therefrom, the elongate portion dimensioned for insertion within a narrow body passage and defining a longitudinal axis, the elongate portion including; at least one delivery catheter having proximal and distal end portions, the one delivery catheter movable relative to the housing portion and in a general longitudinal direction between a retracted position and an advanced position; and an electromagnetic probe disposed within the one delivery catheter and moveable in a general longitudinal direction within the one delivery catheter to extend a probe end portion thereof beyond the distal end portion of the one delivery catheter and within tissue, the electromagnetic probe being adapted to follow a path defined by the distal end portion of the one delivery catheter, the electromagnetic probe being connected to a thermal energy source; and a control member rotatably mounted to the housing portion and operatively connected to the one delivery catheter, the control member rotatably movable to selectively incrementally move the one delivery catheter in the general longitudinal direction between the retracted position and the advanced position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus for thermal treatment of tissue, which comprises:
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a housing portion dimensioned to be grasped with the hand of a user; an elongate portion connected to the housing portion and extending distally therefrom, the elongate portion dimensioned for insertion within a narrow body passage and defining a longitudinal axis, the elongate portion including; at least one delivery catheter having proximal and distal end portions, the one delivery catheter movable relative to the housing portion and in a general longitudinal direction between a retracted position and an advanced position, the one delivery catheter including a memory portion disposed at the distal end portion thereof, the memory portion comprised of shape memory material and having an arcuate configuration when in a normal unstressed condition thereof to define an arcuate path, the memory portion defining a generally blunt distal end surface; and an electromagnetic probe disposed within the one delivery catheter and moveable in a general longitudinal direction within the one delivery catheter to extend a probe end portion thereof beyond the distal end portion of the one delivery catheter and within tissue, the electromagnetic probe being adapted to follow the arcuate path defined by the memory portion of the one delivery catheter, the electromagnetic probe being connected to a thermal energy source; and a control member rotatably mounted to the housing portion and operatively connected to the one delivery catheter, the control member rotatably movable to selectively incrementally move the one delivery catheter in the general longitudinal direction between the retracted position and the advanced position.
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10. A system for thermal treatment of tissue which comprises:
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an endoscope including an elongate body having a working channel; and an auxiliary thermal treatment device including; a handle portion; an elongate portion connected to the handle portion and extending distally therefrom, the elongate portion dimensioned to be positioned within the working channel of the endoscope and defining a longitudinal axis, the elongate portion including; at least one delivery catheter having proximal and distal end portions, the distal end portion defining an angularly offset configuration relative to the longitudinal axis; and an electromagnetic probe disposed within the one delivery catheter and moveable in a general longitudinal direction within the one delivery catheter to extend a probe end portion thereof beyond the distal end portion of the one delivery catheter and within tissue, the electromagnetic probe being adapted to follow the angularly offset configuration of the distal end portion of the one delivery catheter, the electromagnetic probe being connected to a thermal energy source; and a control member mounted with respect to the housing portion and operatively connected to the one delivery catheter, the control member rotatably movable to selectively incrementally move the one delivery catheter in a longitudinal direction relative to the housing portion and within the working channel of the endoscope, to thereby selectively incrementally deploy the distal end portion of the one delivery catheter from the working channel such that the distal end portion assumes the angularly offset configuration thereof; and a deployment member mounted to the handle portion and operatively connected to the electromagnetic probe assembly, the deployment member moveable to deploy the probe end portion of the electromagnetic probe assembly.
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11. A system for thermal treatment of tissue, which comprises:
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an endoscope including an elongate body having a working channel; and an auxiliary thermal treatment device including; a handle portion; an elongate portion connected to the handle portion and extending distally therefrom, the elongate portion dimensioned to be positioned within the working channel of the endoscope and defining a longitudinal axis, the elongate portion including; at least one delivery catheter having proximal and distal end portions, the distal end portion having a memory portion comprised of shape memory material and defining an arcuate configuration angularly offset relative to the longitudinal axis when in a normal unstressed condition thereof; an electromagnetic probe disposed within the one delivery catheter and moveable in a general longitudinal direction within the one delivery catheter to extend a probe end portion thereof beyond the distal end portion of the one delivery catheter and within tissue, the electromagnetic probe being adapted to follow the arcuate configuration of the memory portion of the one delivery catheter, the electromagnetic probe being connected to a thermal energy source; and a control member mounted with respect to the housing portion and operatively connected to the one delivery catheter, the control member rotatably movable to selectively incrementally move the one delivery catheter in a longitudinal direction relative to the housing portion and within the working channel of the endoscope, to thereby selectively incrementally deploy the distal end portion of the one delivery catheter from the working channel such that the memory portion assumes the normal unstressed curved configuration thereof; and a deployment member mounted to the handle portion and operatively connected to the electromagnetic probe assembly, the deployment member moveable to deploy the probe end portion of the electromagnetic probe assembly. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An auxiliary electromagnetic thermal treatment apparatus for use with an endoscope to provide the endoscope with electromagnetic thermal treatment capabilities, which comprises:
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a handle portion; an elongate portion connected to the handle portion and extending distally therefrom, the elongate portion dimensioned to be at least partially inserted within a working channel of an endoscope, the elongate portion including; at least one delivery tube including a memory portion comprised of a shape memory material and defining a normally unstressed curved configuration, the one delivery tube longitudinally moveable relative to the handle portion to extend the memory portion beyond the working channel of the endoscope such that the memory portion assumes the normal unstressed curved configuration thereof; and an electromagnetic probe disposed within the one delivery tube and longitudinally moveable relative to the one delivery tube to extend a probe end portion thereof beyond the one delivery tube and within tissue, the electromagnetic probe being adapted to follow the curved configuration of the memory portion of the one delivery tube in the normal unstressed condition thereof; and an actuating member rotatably mounted to the handle portion and operatively connected to the delivery tube, the actuating member moveable to selectively longitudinally move the delivery tube between a first retracted position and a second advanced position. - View Dependent Claims (20, 21, 22)
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23. A method for thermally treating tissue, comprising the steps of:
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accessing targeted tissue to be thermally treated with an endoscope; inserting an auxiliary thermal treatment apparatus at least partially into a working channel of the endoscope, the thermal treatment apparatus including an elongate body dimensioned for insertion into the working channel, at least one delivery tube having a memory portion comprised of a shape memory material, an electromagnetic probe disposed within the one delivery tube and a rotatable control member operatively connected to the one delivery tube; selectively advancing the one delivery tube through the elongate body by rotating the rotatable control member to extend the memory portion of the one delivery tube beyond the elongate body and beyond the working channel of the endoscope, whereby the memory portion assumes a normal curved unstressed orientation; advancing the electromagnetic probe within the one delivery tube to extend the distal end portion of the electromagnetic probe beyond the one delivery tube and into the targeted tissue, whereby the electromagnetic probe follows the path defined by the one delivery tube in the normal curved orientation thereof; and supplying electromagnetic energy to the electromagnetic probe to thermally treat the tissue. - View Dependent Claims (24, 25)
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Specification