Apparatus for closure of a lumen and methods of using the same
First Claim
1. Apparatus comprising a generally tubular endovascular prosthesis, which comprises structural stent elements, and which is configured to transition between a radially-compressed state and a radially-expanded state, the prosthesis comprising:
- a first structural portion, (a) which comprises a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state; and
a second structural portion, (a) which comprises a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state,wherein the first end of the first structural portion and the first end of the second structural portion meet each other at a juncture, andwherein the prosthesis is configured to transition from (a) an initial folded state, in which the second structural portion is folded into the first structural portion at the juncture, such that the second end of the second structural portion axially extends in a direction from the juncture toward the second end of the first structural portion, to (b) an unfolded state, in which the second structural portion is no longer positioned within the first structural portion, and the second end of the first structural portion and the second end of the second structural portion are positioned at opposite ends of the prosthesis.
1 Assignment
0 Petitions
Accused Products
Abstract
A generally tubular endovascular prosthesis (100) is configured to transition between a radially-compressed state and a radially-expanded state. The prosthesis (100) includes a first generally cylindrical structural portion (101), which has first and second ends (102, 103), and a second generally cylindrical structural portion (104), which has first and second ends (105, 106). The first end (102) of the first structural portion (101) and the first end (105) of the second structural portion (104) meet each other at a juncture (107). The prosthesis (100) is configured to transition from (a) an initial folded state, in which the second structural portion (104) is folded into the first structural portion (101) at the juncture (107), to (b) an unfolded state, in which the second structural portion (104) is no longer positioned within the first structural portion (101), and the second end (103) of the first structural portion (101) and the second end (106) of the second structural portion (104) are positioned at opposite ends of the prosthesis (100). Other embodiments are also described.
294 Citations
31 Claims
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1. Apparatus comprising a generally tubular endovascular prosthesis, which comprises structural stent elements, and which is configured to transition between a radially-compressed state and a radially-expanded state, the prosthesis comprising:
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a first structural portion, (a) which comprises a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state; and a second structural portion, (a) which comprises a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state, wherein the first end of the first structural portion and the first end of the second structural portion meet each other at a juncture, and wherein the prosthesis is configured to transition from (a) an initial folded state, in which the second structural portion is folded into the first structural portion at the juncture, such that the second end of the second structural portion axially extends in a direction from the juncture toward the second end of the first structural portion, to (b) an unfolded state, in which the second structural portion is no longer positioned within the first structural portion, and the second end of the first structural portion and the second end of the second structural portion are positioned at opposite ends of the prosthesis. - 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 providing hemostasis to a puncture site in a body lumen, the method comprising:
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providing a generally tubular endovascular prosthesis, which (1) includes structural stent elements, (2) is configured to transition between a radially-compressed state and a radially-expanded state, and (3) includes (i) a first structural portion, (a) which includes a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state, and (ii) a second structural portion, (a) which comprises a plurality of the structural stent elements, (b) which has first and second ends, and (c) which is generally cylindrical when the prosthesis assumes the radially-expanded state, wherein the first end of the first structural portion and the first end of the second structural portion meet each other at a juncture; introducing the prosthesis into the lumen via the puncture site, while the prosthesis is in the radially-compressed state and an in an initial folded state, in which the second structural portion is folded into the first structural portion at the juncture, such that the second end of the second structural portion axially extends in a direction from the juncture toward the second end of the first structural portion; and while the prosthesis is within the lumen, transitioning the prosthesis (a) from the radially-compressed state to the radially-expanded state, and (b) from the initial folded state to an unfolded state, in which unfolded state the second structural portion is no longer positioned within the first structural portion, and the second end of the first structural portion and the second end of the second structural portion are positioned at opposite ends of the prosthesis, such that a portion of the second portion extends alongside the puncture site. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification