Method and apparatus for forming apertures in blood vessels
First Claim
Patent Images
1. Hole forming apparatus for forming a hole in a blood vessel, comprising:
- a penetration shaft, having a tip adapted to be inserted through a wall of a blood vessel;
a tissue holder, configured to hold a portion of said wall, said holder being activated to perform said holding separately from an insertion of said penetration shaft through said wall; and
a cutting surface adapted to cut through the wall.
1 Assignment
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Accused Products
Abstract
Hole-forming apparatus (1900) for forming a hole in a blood vessel, comprising a penetration shaft (1908), having a tip (1904) adapted to be inserted through a wall of a blood vessel; a tissue holder (1986), configured to hold a portion of said wall, said holder (1986) being activated to perform said holding separately from an insertion of said penetration shaft (1908) through said wall; and a cutting surface (1910) adapted to cut through the wall.
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Citations
86 Claims
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1. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a penetration shaft, having a tip adapted to be inserted through a wall of a blood vessel;
a tissue holder, configured to hold a portion of said wall, said holder being activated to perform said holding separately from an insertion of said penetration shaft through said wall; and
a cutting surface adapted to cut through the wall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32)
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24. Apparatus according to claim I, wherein said penetration shaft has a fixed axial position relative to said cutting surface at least after said insertion.
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33. Hole forming apparatus for forming an opening in a blood vessel, comprising:
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a penetration shaft, having a tip adapted to be inserted through a wall of a blood vessel;
a cutting surface adapted to cut through the wall and having a fixed axial position relative to said penetration shaft tip; and
a tip protector, axially movable to protect the tip of the penetration shaft from damaging the blood vessel after the penetration shaft is inserted through the wall of the blood vessel. - View Dependent Claims (34, 35, 36)
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37. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a slit-forming penetration head having a tip on a distal end thereof and configured to be inserted into, and form a slit, in a blood vessel wall; and
a cutting surface not-contiguous with said tip, configured to cut said wall such that said cut and said slit link to provide a boundary cut of said wall, defining said hole. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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57. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a penetration head adapted to penetrate a blood vessel wall;
a slotted anchor, defining a trans-axial slot having a width sufficient to receive a thickness of said wall; and
a cutting surface configured to cut said wall while said wall is held by said slotted anchor. - View Dependent Claims (58, 59, 60, 61)
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62. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a penetration head having a tip adapted to penetrate a blood vessel wall and defining an axial lumen; and
a tip protector configured to pass through said lumen and protect said tip from damaging the blood vessel after said penetration. - View Dependent Claims (63, 64, 65, 66)
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67. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a tissue holder configured to be inserted through a blood vessel wall;
a base configured to be positioning on an opposite side of said wall; and
a display coupled to said tissue holder and said base and configured to show an indication based on a relative distance between said tissue holder and said base. - View Dependent Claims (68, 69, 70, 71, 72, 73)
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74. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a penetration head mounted on a shaft and adapted to penetrate a blood vessel wall; and
a tissue receptacle configured to receive said wall after said penetration, wherein said shaft is not co-axial with said tissue receptacle. - View Dependent Claims (75)
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76. Hole forming apparatus for forming a hole in a blood vessel, comprising:
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a plurality of helical coils adapted to penetrate and engage a blood vessel wall; and
a base defining a cutting surface for cutting said wall and configured to be axially moved relative to said helical coils. - View Dependent Claims (77, 78, 79)
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80. A method of forming a hole in the wall of a vessel, comprising:
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providing a hole former comprising a shaft having a penetrating tip formed at a distal end of the shaft, an outer shaft disposed about the shaft and configured to be slideable with respect to the shaft, the outer shaft having at least one projecting element, and a base disposed about the outer shaft having a cutting lip, the base configured to be slideable relative to the outer shaft, penetrating a vessel wall with the penetrating tip to form an opening;
passing the outer shaft and the at least one projecting element through the opening; and
cutting the vessel wall with the cutting lip of the base to form a hole in the wall of the vessel. - View Dependent Claims (81, 82, 83, 84, 85, 86)
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Specification