ATHERECTOMY DEVICES AND METHODS
3 Assignments
0 Petitions
Accused Products
Abstract
The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens.
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Citations
106 Claims
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1-62. -62. (canceled)
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63. A method for debulking material within a totally or partially occluded blood vessel, the method comprising:
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inserting a catheter body having a cutter assembly within the blood vessel; rotating the cutter assembly to remove the material and form a first opening in the body lumen; deflecting the first cutter assembly relative to an axis of the catheter body; rotating the catheter body while rotating the cutter assembly to form a second opening in the body lumen where the second is larger than the first opening. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78)
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79-100. -100. (canceled)
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101. A method for circulating fluid for contrast, the method comprising:
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inserting the support catheter within the blood vessel, where the support catheter comprises a support catheter body having a proximal end and a distal end, the distal end containing at least one port on the surface for injection or aspiration of fluid; injecting the fluid for contrast through a lumen or port in the support catheter body; aspirating the fluid for contrast into a lumen or port in the support catheter body. - View Dependent Claims (102, 103, 104, 106)
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105. The method of 103, where the coring cutter assembly comprises a helical groove or cylinder to drive itself through the tough fibrous cap.
Specification