MEDICAL IMPLANT HAVING A CURLABLE MATRIX STRUCTURE AND METHOD OF USE
3 Assignments
0 Petitions
Accused Products
Abstract
A medical having a proximal and a distal end, that is preformed to assume a superimposed structure at an implantation site but can be made to take on a volume-reduced form making it possible to introduce it by means of a micro-catheter and a guide wire arranged at the proximal end, with the implant in its superimposed structure assuming the form of a longltudlnally open tube and having a mesh structure of intercormected strings or filaments. The implant has a tapering structure at its proximal end where the strings or filaments converge at a connection point.
43 Citations
51 Claims
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1-34. -34. (canceled)
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35. A medical device, comprising:
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a first portion comprising a first plurality of cells, and having a distal end and a proximal end, the first portion forming a self-expandable longitudinal tube, the distal end of the first portion being substantially open, the first portion extending completely around a circumference of the longitudinal tube, the first plurality of cells forming a mesh having a pattern that repeats around the entire circumference; and a second portion comprising a second plurality of cells, and having a distal end and a proximal end, the second portion located proximal to the first portion, and the distal end of the second portion attached to the proximal end of the first portion, the proximal end of the second portion being substantially open and tapering to a member, at the proximal end of the second portion, connected to a single elongate member, the single elongate member extending proximally of the proximal end of the second portion and configured to introduce the first and second portions through a microcatheter. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A method, comprising:
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advancing a compressed medical device that is coupled to a single elongate member towards a position in a vessel of a patient, the medical device comprising; a first portion comprising a plurality of cells, and having a distal end and a proximal end, the first portion forming a self-expandable longitudinal tube, the distal end of the first portion being substantially open, the first portion extending completely around a circumference of the longitudinal tube, the first plurality of cells forming a mesh having a pattern that repeats around the entire circumference; and a second portion comprising a second plurality of cells, and having a distal end and a proximal end, the second portion located proximal to the first portion, and the distal end of the second portion attached to the proximal end of the first portion, the proximal end of the second portion being substantially open and tapering to a member, at the proximal end of the second portion, connected to the single elongate member, the single elongate member extending proximally of the proximal end of the second portion and configured to introduce the first and second portions through a microcatheter; releasing the compressed medical device from a distal end of a microcatheter to allow the self-expandable longitudinal tube to uncurl into a larger expanded configuration; and pulling on the elongate member to compress the self-expandable longitudinal tube from the larger expanded configuration and to retract the self-expandable longitudinal tube into the catheter. - View Dependent Claims (46, 47, 48, 49, 50, 51)
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Specification