OCCLUSIVE MATERIAL REMOVAL DEVICE HAVING SELECTIVELY VARIABLE STIFFNESS
First Claim
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1. An apparatus, comprising:
- an elongate member configured to be at least partially disposed within a bodily lumen; and
a tissue disrupter coupled to a distal end portion of the elongate member, the tissue disrupter configured to dislodge a tissue from within the bodily lumen, the tissue disrupter configured to be selectively stiffened.
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Abstract
Apparatus and methods for removal of obstructing or occluding material, such as tissue, from within bodily lumens via a minimally invasive approach are disclosed. In one embodiment, an apparatus, such as a medical device, includes an elongate member and a tissue disrupter. The elongate member is configured to be at least partially disposed within a bodily lumen. The tissue disrupter is coupled to a distal end portion of the elongate member. The tissue disrupter is configured to be selectively stiffened and is configured to dislodge a tissue from within the bodily lumen.
166 Citations
40 Claims
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1. An apparatus, comprising:
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an elongate member configured to be at least partially disposed within a bodily lumen; and a tissue disrupter coupled to a distal end portion of the elongate member, the tissue disrupter configured to dislodge a tissue from within the bodily lumen, the tissue disrupter configured to be selectively stiffened. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus, comprising:
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an elongate assembly configured to be disposed within a bodily lumen, the elongate assembly including a first shaft and a second shaft, the first shaft defining a first lumen and a second lumen, a portion of the second shaft being movably disposed within the first lumen of the first shaft; and a fiber having a proximal end portion and a distal end portion and defining a lumen, the proximal end portion of the fiber coupled to a distal end portion of the first shaft such that the lumen of the fiber is in fluid communication with the second lumen of the first shaft, the distal end portion of the fiber coupled to a distal end portion of the second shaft. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method, comprising:
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inserting a distal end portion of an elongate assembly into a bodily lumen, the elongate assembly including a tissue disrupter; increasing a stiffness of the tissue disrupter; and dislodging a portion of a tissue from within the bodily lumen by engaging the tissue disrupter with the tissue. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method, comprising:
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inserting a portion of a medical device into a bodily lumen about a guidewire disposed within the bodily lumen; and dislodging at least a portion of a bodily tissue from within the bodily lumen when the guidewire remains in the bodily lumen. - View Dependent Claims (39, 40)
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Specification