Steering engagement catheter devices, systems, and methods
First Claim
1. A steering engagement catheter, comprising:
- an elongated tube having a proximal end, a distal end, and a first wall positioned circumferentially along a length of the elongated tube, the elongated tube configured such that a device is capable of at least partial insertion into the elongated tube;
at least one steering wire having a proximal end and a distal end, the distal end of at least one of the at least one steering wire attached directly to the first wall of the elongated tube at an attachment site located at or near the distal end of the elongated tube and at least one of the at least one steering wire anchored to the first wall of the elongated tube at one or more anchor positions, each of the one or more anchor positions coupled with and extending inwardly from the first wall at a location other than the distal end of the elongated tube; and
a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire, the controller positioned along the elongated tube at or near the proximal end of the elongated tube;
wherein the elongated tube is configured to reversibly engage a tissue at the distal end of the elongated tube when the distal end of the elongated tube contacts the tissue and a vacuum is applied through the elongated tube; and
wherein the elongated tube is configured to bend in a same direction in at least two distinct places in response to movement of one or more of the at least one steering wire.
1 Assignment
0 Petitions
Accused Products
Abstract
Steering engagement catheter devices, systems, and methods of using the same for accessing a tissue, including internal and external tissues of a heart, are disclosed. In at least one embodiment, a steering engagement catheter is provided, comprising an elongated tube having a proximal end, a distal end, and a first wall positioned circumferentially along a length of the elongated tube, the elongated tube configured such that a delivery catheter is capable of at least partial insertion into the elongated tube, at least one steering wire having a proximal end and a distal end, the distal end of the at least one steering wire coupled to the first wall of the elongated tube at or near the distal end of the elongated tube, and a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire.
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Citations
32 Claims
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1. A steering engagement catheter, comprising:
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an elongated tube having a proximal end, a distal end, and a first wall positioned circumferentially along a length of the elongated tube, the elongated tube configured such that a device is capable of at least partial insertion into the elongated tube; at least one steering wire having a proximal end and a distal end, the distal end of at least one of the at least one steering wire attached directly to the first wall of the elongated tube at an attachment site located at or near the distal end of the elongated tube and at least one of the at least one steering wire anchored to the first wall of the elongated tube at one or more anchor positions, each of the one or more anchor positions coupled with and extending inwardly from the first wall at a location other than the distal end of the elongated tube; and a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire, the controller positioned along the elongated tube at or near the proximal end of the elongated tube; wherein the elongated tube is configured to reversibly engage a tissue at the distal end of the elongated tube when the distal end of the elongated tube contacts the tissue and a vacuum is applied through the elongated tube; and wherein the elongated tube is configured to bend in a same direction in at least two distinct places in response to movement of one or more of the at least one steering wire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for use with a vacuum source for engaging a tissue, the system comprising:
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a steering engagement catheter, comprising; an elongated tube having a proximal end, a distal end, and first and second walls positioned circumferentially along a length of the elongated tube, the first and second walls defining first and second lumens extending between the proximal end and the distal end of the elongated tube; a vacuum port located at or near the proximal end of the elongated tube, the vacuum port being operatively connected to the first lumen of the elongated tube and capable of operative connection to the vacuum source; a suction port located at or near the distal end of the elongated tube, the suction port being operatively connected to the first lumen of the elongated tube, the suction port configured to engage a surface of the tissue when the vacuum source is operatively attached to the vacuum port; at least one steering wire having a proximal end and a distal end, the distal end of at least one of the at least one steering wire attached directly to the first wall of the elongated tube at an attachment site located at or near the distal end of the elongated tube and positioned within the first lumen of the elongated tube, and at least one of the at least one steering wire anchored to the first wall of the elongated tube at one or more anchor positions, each of the one or more anchor positions coupled with and extending inwardly from the first wall at a location other than the distal end of the elongated tube; and a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire, the controller positioned along the elongated tube at or near the proximal end of the elongated tube; and a delivery catheter comprising; a hollow tube having, a proximal end and a distal end, the delivery catheter configured such that the hollow tube is capable of insertion into the second lumen of the elongated tube; and a needle located at the distal end of the hollow tube or positioned within the hollow tube; wherein the delivery catheter is operable to deliver a substance to a target site; wherein the elongated tube is configured to reversibly engage the tissue at the distal end of the elongated tube when the distal end of the elongated tube contacts the tissue and a vacuum is applied through the elongated tube; and wherein the elongated tube is configured to bend in a same direction in at least two distinct places in response to sliding movement of one or more of the at least one steering wire along the one or more anchor positions. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method of engaging a targeted tissue, the method comprising the steps of:
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providing a steering engagement catheter, comprising; an elongated tube having a proximal end, a distal end, and a first wall positioned circumferentially along a length of the elongated tube, the first wall defining a first lumen along the length of the elongated tube; at least one steering wire having a proximal end and a distal end, the distal end of at least one of the at least one steering wire attached directly to the first wall of the elongated tube at an attachment site located at or near the distal end of the elongated tube and at least one of the at least one steering wire anchored to the first wall of the elongated tube at one or more anchor positions, each of the one or more anchor positions coupled with and extending inwardly from the first wall at a location other than the distal end of the elongated tube; and a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire, the controller positioned along the elongated tube at or near the proximal end of the elongated tube; wherein the elongated tube is configured to reversibly engage the targeted tissue at the distal end of the elongated tube when the distal end of the elongated tube contacts the targeted tissue and a vacuum is applied through the elongated tube, and the elongated tube is configured to bend in a same direction in at least two distinct places in response to movement of one or more of the at least one steering wire; and inserting the steering engagement catheter into a body via a percutaneous intravascular insertion such that the distal end of the elongated tube is positioned at or near the targeted tissue. - View Dependent Claims (28, 29, 30)
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31. A method of engaging a targeted tissue, the method comprising the steps of:
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providing a system, the system comprising; a steering, engagement catheter, comprising; an elongated tube having a proximal end, a distal end, first and second walls positioned circumferentially along a length of the elongated tube, and at least two anchor positions, each of the at least two anchor positions coupled with and extending inwardly from the first wall at a location on the elongated tube other than the distal end of the elongated tube, wherein the first and second walls define first and second lumens extending between the proximal end and the distal end; a vacuum port located at or near the proximal end of the elongated tube, the vacuum port being operatively connected to the first lumen of the elongated tube and capable of operative connection to a vacuum source; a suction port located at or near the distal end of the elongated tube, the suction port being operatively connected to the first lumen of the elongated tube, the suction port configured to engage a surface of the targeted tissue when the vacuum source is operatively attached to the vacuum port; at least one steering wire having a proximal end and a distal end, the distal end of at least one of the at least one steering wire attached directly to the first wall of the elongated tube at an attachment site located at or near the distal end of the elongated tube and positioned within the first lumen of the elongated tube, and at least one of the at least one steering wire is anchored to the first wall of the elongated tube at one or more of the at least two anchor positions, wherein the elongated tithe is configured to bend in a same direction in at least two distinct places in response to sliding movement of one or more of the at least one steering wire along the one or more of the at least two anchor positions; and a controller operably coupled to the at least one steering wire at or near the proximal end of the at least one steering wire, the controller positioned along the elongated tube at or near the proximal end of the elongated tube; and a delivery catheter comprising; a hollow tube having a proximal end and a distal end, the delivery catheter configured such that the hollow tube is capable of insertion into the second lumen of the elongated tube; and a needle located at the distal end of the hollow tube; and inserting the steering engagement catheter into a body via a percutaneous intravascular insertion such that the distal end of the elongated tube is positioned at or near the targeted tissue. - View Dependent Claims (32)
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Specification