Snare design for improved traction
First Claim
Patent Images
1. A snare, comprising:
- a member; and
a loop at a distal end of the member and defining an inner area;
the loop having an inner surface facing and exposed to the inner area, wherein a first section of the inner surface has a plurality of first edges extending radially about the loop and that are sharper than a second section of the inner surface, the first section also including a plurality of atraumatic second edges, wherein the plurality of first edges and the plurality of second edges alternate circumferentially with one another in the first section, wherein the loop includes only two legs opposite each other, and the first section is on only one of the two legs, the other of the two legs not having a sharp edge extending radially about the loop.
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Accused Products
Abstract
A snare may a loop at a distal end of the elongate member and defining an inner area. The loop may have an inner surface facing and exposed in the inner area, wherein a first section of the inner surface has an edge sharper than a second section of the inner surface.
11 Citations
16 Claims
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1. A snare, comprising:
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a member; and a loop at a distal end of the member and defining an inner area; the loop having an inner surface facing and exposed to the inner area, wherein a first section of the inner surface has a plurality of first edges extending radially about the loop and that are sharper than a second section of the inner surface, the first section also including a plurality of atraumatic second edges, wherein the plurality of first edges and the plurality of second edges alternate circumferentially with one another in the first section, wherein the loop includes only two legs opposite each other, and the first section is on only one of the two legs, the other of the two legs not having a sharp edge extending radially about the loop. - View Dependent Claims (2, 3)
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4. A snare, comprising:
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a member; and a loop at a distal end of the member and defining an inner area; the loop having an inner surface facing and exposed to the inner area, wherein a first section of the inner surface has a plurality of first edges extending radially about the loop and that are sharper than a second section of the inner surface, wherein a line from a center of a cross-section of the first section to a given first edge is one of above or below a plane of the loop, wherein the first section also includes a plurality second edges each extending further radially inward than each of the plurality of first edges, wherein each of the plurality of second edges is atraumatic, wherein the loop includes only two legs opposite each other, and the first section is on only one of the two legs, the other of the two legs being entirely atraumatic. - View Dependent Claims (5, 6, 7, 8)
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9. A snare, comprising:
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a member; and a loop at a distal end of the member and defining an inner area, wherein a central longitudinal axis extends through the loop; the loop having an inner surface facing and exposed to the inner area, wherein a first section of the inner surface has a plurality of first edges extending radially about the loop and that are sharper than a second section of the inner surface, wherein the first section also includes a plurality of second edges each extending further radially inward toward the central longitudinal axis than each of the plurality of first edges, wherein each of the plurality of second edges is atraumatic, wherein the loop includes only two legs opposite each other, the first section is on only a first leg of the two legs, and a second leg of the two legs not having a sharp edge extending radially about the loop and/or being entirely atraumatic. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification