Devices, systems, and methods for removing targeted lesions from vessels
First Claim
Patent Images
1. A device for insertion within a luminal organ, comprising:
- an elongated body having a distal body end, a fixed portion, and a rotatable portion at or near the distal body end;
at least one directional sensor positioned on the rotatable portion of the elongated body, the at least one directional sensor configured for axial rotation relative to and distinct from the fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ; and
at least one treatment portion capable of removing at least part of a stenotic lesion from a luminal organ; and
an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position.
2 Assignments
0 Petitions
Accused Products
Abstract
Devices, systems, and methods for removing targeted lesions from vessels. In at least one embodiment of a device for removing a stenotic lesion from a vessel, the device comprises a sizing portion capable of measuring a luminal size parameter when at least part of the device is positioned within a lumen of a luminal organ, a typing portion, wherein at least part of the at least one typing portion is capable of physically touching a portion of the luminal organ or a structure therein, and a treatment portion capable of removing at least part of a stenotic lesion from the luminal organ.
70 Citations
55 Claims
-
1. A device for insertion within a luminal organ, comprising:
-
an elongated body having a distal body end, a fixed portion, and a rotatable portion at or near the distal body end; at least one directional sensor positioned on the rotatable portion of the elongated body, the at least one directional sensor configured for axial rotation relative to and distinct from the fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ; and at least one treatment portion capable of removing at least part of a stenotic lesion from a luminal organ; and an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position. - 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, 24, 25, 26, 27, 28)
-
-
29. A device for insertion within a luminal organ, comprising:
-
an elongated body having a distal body end, a fixed portion, and a rotatable portion at or near the distal body end, the elongated body configured to fit within a lumen of a luminal organ; at least one directional sensor positioned on the rotatable portion of the elongated body, the at least one directional sensor configured for axial rotation relative to and distinct from the fixed portion of the elongated body and further capable of moving between a first position and an extended second position, the at least one directional sensor extending outward from the elongated body and toward the luminal organ or a structure therein when in the extended second position to facilitate physically touching the same, the at least one directional sensor operable to obtain a measurement from the luminal organ or the structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ and indicative of electrical impedance of the luminal organ or the structure therein when the directional sensor is touching the luminal organ or the structure therein; at least one detector positioned along the elongated body at or near the distal body end, the at least one detector capable of measuring a luminal size parameter when at least part of the elongated body is positioned within the lumen of the luminal organ; an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position; and at least one treatment portion capable of removing at least part of a stenotic lesion from the luminal organ.
-
-
30. A device for removing a stenotic lesion from a vessel, comprising:
-
an elongated body having a fixed portion and a rotatable portion; at least one sizing portion comprising a directional sensor capable of measuring a luminal size parameter when at least part of the device is positioned within a lumen of a luminal organ, at least part of the at least one sizing portion positioned on the rotatable portion of the elongated body, wherein the portion of the at least one sizing portion on the rotatable portion is configured for axial rotation relative to and distinct from the fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ; at least one typing portion, wherein at least part of the at least one typing portion is capable moving to an extended position outward from the device and further capable of physically touching a portion of the luminal organ or a structure therein upon extension from the device; an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position; and at least one treatment portion capable of removing at least part of a stenotic lesion from the luminal organ. - View Dependent Claims (31, 32, 33, 34, 35, 36)
-
-
37. A system for removing a stenotic lesion of a vessel, the system comprising:
-
a treatment device, the treatment device comprising at least one treatment portion capable of a removing at least part of a stenotic lesion from a luminal organ; and a sizing/typing device separate from the treatment device, the sizing/typing device comprising; an elongated body having a distal body end, a fixed portion, and a rotatable portion at or near the distal body end; electrodes positioned along the elongated body for measuring a first luminal size parameter when the typing/sizing device is positioned within a lumen of the luminal organ, at least one directional sensor positioned on the rotatable portion of the elongated body and configured for axial rotation relative to and distinct from the fixed portion of the sizing/typing device and configured to physically touch a portion of the luminal organ or a structure therein and operable to obtain a first vessel characteristic indicative of the luminal organ or the structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ, and an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position. - View Dependent Claims (38)
-
-
39. A method of removing at least part of a stenotic lesion within a luminal organ, the method comprising the steps of:
-
(a) positioning at least part of a device within a luminal organ at a first location, the device comprising an elongated body having a distal body end with at least one directional sensor positioned on a rotatable portion thereof at or near the distal body end, the at least one directional sensor configured for axial rotation relative to and distinct from a fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ, and wherein the device further comprises an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position; (b) operating the device to obtain a first luminal size parameter and a first measurement indicative of electrical impedance of the luminal organ or a structure therein that at least part of the device is physically touching at the first location; (c) moving at least part of the device to a second location within the luminal organ; (d) operating the device to obtain a second luminal size parameter and a second measurement indicative of electrical impedance of the luminal organ or the structure therein that at least part of the device is physically touching at the second location; (e) determining whether or not a stenotic lesion is present at either the first location or the second location based on one or more of the first luminal size parameter, the first measurement, the second luminal size parameter, and the second measurement; (f) if the stenotic lesion is present, moving at least part of the device having a treatment portion to a stenotic lesion location, the treatment portion capable of removing at least part of the stenotic lesion from the luminal organ; and (g) if the stenotic lesion is present, operating the treatment portion of the device to remove at least part of the stenotic lesion. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
-
-
51. A method for removing at least part of a stenotic lesion from a luminal organ, the method comprising the steps of:
-
positioning a device within a luminal organ, the device comprising an elongated body having a distal body end and having at least one sizing portion, at least one typing portion, and at least one treatment portion, at least one of the at least one sizing portion and/or the at least one typing portion at or near the distal body end and comprising at least one directional sensor positioned on a rotatable portion of the elongated body and configured for axial rotation relative to and distinct from a fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ, and wherein the device further comprises an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position; operating the at least one sizing portion of the device to obtain luminal size parameter data; operating the at least one sizing portion of the device to obtain type data indicative of electrical impedance of the luminal organ or a structure therein; and operating the at least one treatment portion capable of removing at least part of a stenotic lesion from the luminal organ at a location within the luminal organ at or near the stenotic lesion, whereby operation of the at least one treatment portion is based upon the luminal size parameter data and the type data, whereby operation of the at least one treatment portion removes at least part of the stenotic lesion. - View Dependent Claims (52, 53, 54)
-
-
55. A method of removing at least part of a stenotic lesion from a vessel, the method comprising the steps of:
-
(a) positioning a device within a luminal organ, the device comprising an elongated body having a distal body end and having at least one typing portion and at least one treatment portion, the at least one typing portion at or near the distal body end comprising at least one directional sensor positioned on a rotatable portion of the elongated body and configured for axial rotation relative to and distinct from a fixed portion of the elongated body and operable to obtain a measurement from the luminal organ or a structure therein, wherein the measurement is indicative of less than an entire circumference of the luminal organ, and wherein the device further comprises an extension apparatus coupled to the at least one directional sensor, the extension apparatus capable of moving the at least one directional sensor radially relative a longitudinal axis of the elongated body between a first position and an extended second position; (b) operating the at least one typing portion of the device to obtain initial type data indicative of electrical impedance of the luminal organ or a structure therein; (c) operating the at least one treatment portion capable of removing at least part of a stenotic lesion from the luminal organ if the type data is indicative of electrical impedance of the stenotic lesion to remove at least part of the stenotic lesion; and (d) operating the at least one typing portion of the device again to obtain then-current type data indicative of electrical impedance of the luminal or the structure therein; and (e) repeating steps (c) and (d) until the then-current type data does not indicate the presence of the stenotic lesion.
-
Specification