Systems and methods of tissue closure
First Claim
Patent Images
1. A tissue closure device comprising:
- a compressible body comprising a pair of parallel legs having two opposed compliant tissue-engaging surfaces, wherein the legs are each comprised of a soft biologically compatible polymer; and
a plurality of tissue-penetrating fasteners spaced-apart along the legs and disposed to extend from a first one of the tissue-engaging surfaces, through tissue at a puncture site, to a second one the tissue-engaging surfaces to close the tissue structure therebetween.
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Abstract
Apparatus, systems, and methods are described for closing the base of a left atrial appendage or other tissue structure. A tissue closure device comprises a pair of legs having compliant surfaces for engaging against opposite sides of the tissue structure. A plurality of axially spaced-apart tissue-penetrating fasteners are delivered from one leg to the other to pierce the intervening tissue and hold the closure device in place on the tissue structure.
1394 Citations
60 Claims
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1. A tissue closure device comprising:
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a compressible body comprising a pair of parallel legs having two opposed compliant tissue-engaging surfaces, wherein the legs are each comprised of a soft biologically compatible polymer; and a plurality of tissue-penetrating fasteners spaced-apart along the legs and disposed to extend from a first one of the tissue-engaging surfaces, through tissue at a puncture site, to a second one the tissue-engaging surfaces to close the tissue structure therebetween. - 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, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A system for closing the base of a left atrial appendage, said system comprising:
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a closure device including a compressible body comprising a pair of parallel legs with opposed compliant tissue-engaging surfaces, wherein the legs are each comprised of a soft, biologically compatible polymer; a closure device applicator for detachably securing and opening the legs of the closure device to place said legs around or over the tissue structure; a vacuum path through the applicator and closure device for applying a vacuum between the legs of closure device and the tissue structure when the legs are over the tissue structure to adhere the device to the tissue structure; and a plurality of fasteners deployable from one tissue-engaging surface, through the tissue structure, into the other tissue-engaging surface to close the legs of the tissue structure therebetween. - View Dependent Claims (37, 38, 39)
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40. A system for closing the base of a left atrial appendage, said system comprising:
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a closure device including a compressible body comprising a pair of legs having opposed compliant tissue-engaging surfaces, wherein the legs are each comprised of a soft, biologically compatible polymer; a plurality of tissue-penetrating fasteners spaced-apart along the legs and one of the tissue-engaging surfaces, through tissue at a puncture site, to a second one of the tissue-engaging surfaces to close the tissue structure therebetween, each of the fasteners including a rear-facing recess; a closure device applicator including a pair of jaws for installing the closure device; a pair of alignment combs, each comb coupled with a jaw of the applicator and including one or more studs configured to releasably engage recesses of the fasteners, wherein the jaws of the applicator are configured to move the pair of combs closer together so as to cause deployment of the fasteners. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
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Specification