Coupling system, applicator tool, attachment ring and method for connecting a conduit to biological tissue
First Claim
1. A method for connecting a prosthesis to tissue, the method comprising:
- placing an attachment ring on the tissue while the attachment ring is mounted on an applicator tool containing a plurality of clips;
followed byanchoring the attachment ring on the tissue, the anchoring includingmoving a forward segment of each of the clips in a forward direction out of the applicator tool and through the attachment ring and the tissue,after the clips are moved through the attachment ring, restraining the clips so that a rear segment of each of the clips are capable of one-way movement for cinching the clips, andafter the restraining of the clips, pulling the rear segments of the clips while the forward segments of the clips are clamped or trapped by the attachment ring.
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Accused Products
Abstract
A coupling system includes an applicator tool and an attachment ring mounted on the applicator tool. Clips are contained within the applicator tool and are deployed through the attachment ring in order to anchor the attachment ring to biological tissue. When deployed, tips of the clips follow a curved trajectory through an annular cuff of the attachment ring and through the underlying tissue. The tips loop back out of the tissue and to a location where they are later trapped or clamped by the attachment ring. While the tips are trapped or clamped, the applicator tool cinches the clips by pulling rear segments of the clips. Thereafter, the applicator tool disconnects from the attachment ring which remains anchored to the tissue and serves as a coupling for a cannula. The cannula can have movable lock members that secure it to the attachment ring.
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Citations
17 Claims
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1. A method for connecting a prosthesis to tissue, the method comprising:
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placing an attachment ring on the tissue while the attachment ring is mounted on an applicator tool containing a plurality of clips;
followed byanchoring the attachment ring on the tissue, the anchoring including moving a forward segment of each of the clips in a forward direction out of the applicator tool and through the attachment ring and the tissue, after the clips are moved through the attachment ring, restraining the clips so that a rear segment of each of the clips are capable of one-way movement for cinching the clips, and after the restraining of the clips, pulling the rear segments of the clips while the forward segments of the clips are clamped or trapped by the attachment ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for connecting a prosthesis to tissue, the method comprising:
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placing an attachment ring on the tissue while the attachment ring is mounted on an applicator tool containing a plurality of clips;
followed byanchoring the attachment ring on the tissue, the anchoring including moving a forward segment of each of the clips in a forward direction out of the applicator tool and through the attachment ring and the tissue, and after the clips are moved through the attachment ring, restraining the clips so that a rear segment of each of the clips are capable of one-way movement for cinching the clips, wherein the attachment ring includes a main body and a clamping ring disposed around the main body, the restraining of the clips includes clamping or trapping the forward segments of the clips between the clamping ring and the main body, and the clamping or trapping is performed after the forward segment has traveled out of the tissue subsequent to the forward segment having moved through the attachment ring and the tissue.
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Specification