ATHERECTOMY MEDICAL DEVICE
First Claim
Patent Images
1. An atherectomy device, comprising:
- an elongate shaft having a proximal end region, a distal end region and a lumen extending therein;
a cutting member positioned adjacent the distal end region of the elongate shaft, wherein the cutting member is radially expandable; and
a sizing member positioned adjacent the cutting member, wherein the sizing member is radially expandable, and wherein radial expansion of the cutting member is limited by radial expansion of the sizing member.
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Accused Products
Abstract
Medical devices and methods for using medical devices are disclosed. A rotational atherectomy device may include an elongate shaft having a proximal end region, a distal end region and a lumen extending therein. The medical device may also include a cutting member positioned adjacent the distal end region of the elongate shaft. The cutting member may be radially expandable. The medical device may also include a sizing member positioned adjacent the cutting member. The sizing member may be radially expandable, and the radial expansion of the cutting member may be limited by radial expansion of the sizing member.
5 Citations
20 Claims
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1. An atherectomy device, comprising:
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an elongate shaft having a proximal end region, a distal end region and a lumen extending therein; a cutting member positioned adjacent the distal end region of the elongate shaft, wherein the cutting member is radially expandable; and a sizing member positioned adjacent the cutting member, wherein the sizing member is radially expandable, and wherein radial expansion of the cutting member is limited by radial expansion of the sizing member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An atherectomy device, comprising:
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an elongate shaft having a proximal end region, a distal end region and a lumen extending therein; a cutting member positioned adjacent the distal end region of the elongate shaft, wherein the cutting member is radially expandable and has an outermost radial extent; and a sizing member positioned adjacent the cutting member, wherein the sizing member is radially expandable and has an outermost radial extent, and wherein the atherectomy device includes a radial offset, wherein the radial offset is defined as the difference between the outermost radial extent of the cutting member and the outermost radial extent of the sizing member. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An atherectomy device, comprising:
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an elongate shaft having a proximal end region, a distal end region and a lumen extending therein; a sizing member positioned adjacent the distal end region of the elongate shaft, wherein the sizing member is radially expandable; a cutting member positioned adjacent the sizing member, wherein the sizing member is radially expandable, and wherein radial expansion of the cutting member is limited by radial expansion of the sizing member; and one or more channels extending between the elongate shaft, the sizing member and the cutting member.
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Specification