Suture loop closure device
First Claim
Patent Images
1. A tissue puncture closure device, comprising:
- a central shaft having first and second end portions and a slotted portion disposed between the first and second end portions;
a filament extending from the first portion to the second portion;
first and second open loop knots disposed at least partially within the slotted portion.
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Accused Products
Abstract
The present invention describes apparatus and methods for tying a filament across subcutaneous punctures. According to some embodiments, the apparatus and methods provide pre-tied knots that are inserted into a bodily lumen. Needles flanking the subcutaneous puncture are inserted into the lumen and grab the pre-tied knots. The pre-tied knots are pulled through tiny holes flanking the subcutaneous puncture by the needles, leaving an internal length of the filament across the subcutaneous puncture. The filament is then externally tied, closing the subcutaneous puncture.
155 Citations
35 Claims
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1. A tissue puncture closure device, comprising:
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a central shaft having first and second end portions and a slotted portion disposed between the first and second end portions;
a filament extending from the first portion to the second portion;
first and second open loop knots disposed at least partially within the slotted portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A vascular closure system, comprising:
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a closure device, the closure device comprising;
a central shaft having first and second end portions and an open channel portion disposed between the first and second end portions;
a filament looping through the central shaft;
wherein the filament is tied into first and second open knots at the open channel portion;
a vascular access sheath receptive of the closure device, the vascular access sheath comprising first and second side ports. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A vascular closure system, comprising:
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a vascular access sheath having a plurality of side-ports disposed at a distal end portion;
an open-loop knot carrying device insertable into the vascular access sheath;
a plurality of cannula needles, each of the plurality of cannula needles insertable through a corresponding one of the plurality of side-ports;
a plurality of curved needles, each of the plurality of curved needles insertable through a corresponding one of the plurality of cannula needles. - View Dependent Claims (22, 23, 24)
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25. A method of closing a subcutaneous puncture, comprising:
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inserting a filament into a lumen through the puncture;
inserting first and second needles into the lumen through holes flanking the puncture;
grabbing the filament with each of the first and second needles;
retracting the filament through the holes flanking the puncture;
tying the filament across the puncture. - View Dependent Claims (26, 27, 28)
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29. A method of closing a subcutaneous puncture, comprising:
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inserting a tubular shaft comprising a filament having first and second open-loop knots into a lumen through the puncture;
advancing. first and second cannula needles flanking and spaced from the tubular shaft into the lumen;
passing first and second curved needles through the first and second cannula needles, respectively;
cinching the first and second open-loop knots to the first and second curved needles, respectively;
retracting the first and second curved needles through the first and second cannula needles, respectively;
tying the filament across the puncture. - View Dependent Claims (30, 31, 32)
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33. A method of making a subcutaneous puncture closure device, comprising:
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providing a tubular shaft having a slotted portion;
tying first and second knots in a filament;
inserting the filament into a tubular shaft;
placing first portions of the first and second knots in a first slot of the slotted portion;
placing second portions of the first and second knots in a second slot of the slotted portion. - View Dependent Claims (34, 35)
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Specification