Method and apparatus for connecting and closing severed blood vessels
First Claim
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1. A micro fastener for connecting blood vessels and portions of blood vessels comprising:
- a. a female member adapted to conform to an inner wall of the blood vessel, the female member having an outer surface and an inner surface;
b. a male member adapted to conform to an inner wall of the blood vessel, the male member having a first outer surface portion sized and positioned to engage the inner surface of the female member and also having a second outer surface portion;
c. a plurality of barbs sized to pierce and anchor in a blood vessel wall, the barbs attached to and extending from the outer surface of the female member and extending from a second outer surface portion of the male member;
d. a first fastening means attached to the inner surface of the female member; and
e. a second fastening means attached to the first outer surface portion of the male memberthe first and second fastening means sized and configured to engage one another to lock the male member to the female member.
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Abstract
A device for closing or connecting blood vessels has a plurality of micro miniature barb which pierce the wall of the blood vessel and anchor the device in place. In one embodiment the fastener is comprised of a male member and a female member which are fastened to blood vessel segments with the micro miniature barbs. The male and female members are joined together by inserting the male member into the female member to form a permanent coupling. The device can also be used for opening a blood vessel which has been narrowed by disease or trauma.
180 Citations
6 Claims
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1. A micro fastener for connecting blood vessels and portions of blood vessels comprising:
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a. a female member adapted to conform to an inner wall of the blood vessel, the female member having an outer surface and an inner surface; b. a male member adapted to conform to an inner wall of the blood vessel, the male member having a first outer surface portion sized and positioned to engage the inner surface of the female member and also having a second outer surface portion; c. a plurality of barbs sized to pierce and anchor in a blood vessel wall, the barbs attached to and extending from the outer surface of the female member and extending from a second outer surface portion of the male member; d. a first fastening means attached to the inner surface of the female member; and e. a second fastening means attached to the first outer surface portion of the male member the first and second fastening means sized and configured to engage one another to lock the male member to the female member. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification