Method and apparatus for creating an opening in the wall of a tubular vessel
First Claim
Patent Images
1. A tool for making an incision in and removing tissue from a vessel wall, comprising:
- a cutter; and
a piercing member positioned within said cutter, wherein said piercing member and said cutter are configured to translate together to penetrate the wall of the vessel.
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Accused Products
Abstract
An auger is axially fixed to and positioned within a cutter. The auger and cutter advance at the same time relative to a contact structure placed against a vessel, penetrating the wall of the vessel and cutting a tissue plug. When the auger and the cutter are retracted from the vessel wall, the tissue plug is retained by the auger and cutter and removed from the vessel wall. The auger and the cutter thus create an opening in the vessel wall, without the need for a prior incision in that wall.
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Citations
51 Claims
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1. A tool for making an incision in and removing tissue from a vessel wall, comprising:
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a cutter; and a piercing member positioned within said cutter, wherein said piercing member and said cutter are configured to translate together to penetrate the wall of the vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A surgical tool for removing tissue from the wall of a vessel to create an opening, comprising:
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a rotatable cutter; an auger assembly fixed to and substantially coaxial with said cutter, said auger assembly comprising an auger at its distal end; an actuator connected to at least one of said auger assembly and said cutter. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification