EXTRA-VASCULAR WRAPPING FOR TREATING ANEURYSMATIC AORTA AND METHODS THEREOF
First Claim
1. An extra-vascular wrapping (EVW) comprising a (i) wrapping adapted to at least partially encircle at least a segment of an aorta, especially an aneurysmatic aorta, and (ii) anchoring means located at the distal portion of said wrapping adapted to immobilize said wrapping to the aorto-iliac bifurcation via engagement of the aorto-iliac junction, wherein said bifurcation-anchored wrapping is applied external to the aorta and further wherein the wrapping is collapse-resistant in the proximal-to-distal direction of the aorta.
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Accused Products
Abstract
A new extra-vascular wrapping (EVW) is disclosed. The EVW comprises of a (i) wrapping adapted to at least partially encircle at least a segment of an aorta, especially an aneurysmatic aorta, and (ii) anchoring means located at the distal portion of the wrapping adapted to immobilize the wrapping to the aorto-iliac bifurcation via engagement of the aorto-iliac junction, wherein the bifurcation-anchored wrapping is applied external to the aorta and further wherein the wrapping is collapse-resistant in the proximal-to-distal direction of the aorta. The EVW is presented with its various embodiments, such as gusset-like structured EVW, Sustained drug delivery EVW, supported EVW and ringed EVW. Methods for treating aneurysmatic aorta in an open-surgery procedure by utilizing the EVWs and by applying step of positioning a macroporous medical textile externally adjacent to the aorta are also disclosed.
143 Citations
26 Claims
- 1. An extra-vascular wrapping (EVW) comprising a (i) wrapping adapted to at least partially encircle at least a segment of an aorta, especially an aneurysmatic aorta, and (ii) anchoring means located at the distal portion of said wrapping adapted to immobilize said wrapping to the aorto-iliac bifurcation via engagement of the aorto-iliac junction, wherein said bifurcation-anchored wrapping is applied external to the aorta and further wherein the wrapping is collapse-resistant in the proximal-to-distal direction of the aorta.
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19. A supported extra-vascular wrapping (SEVW) comprising (i) at wrapping adapted to at least partially encircle at least a segment of an aneurysmatic aorta, said wrapping having proximal and distal portions, said distal portion located adjacent the aorto-iliac bifurcation, (ii) a supporting frame, provided in at least on segment, layer of portion of said wrapping, adapted to resist collapse of said EVW in the proximal-to-distal direction and (iii) anchoring means in connection with both said the distal portion of said wrapping and said supporting frame, adapted to immobilize said wrapping to the aorto-iliac bifurcation via engagement of the aorto-iliac junction.
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20. A ring-immobilized extra-vascular wrapping (REVW) comprising a (i) wrapping adapted to at least partially encircle at least a segment of an aorta, especially an aneurysmatic aorta, and (ii) one or more ring-like anchoring means located at the distal portion of said wrapping adapted to immobilize said wrapping one or two iliac arteries.
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21. A method for treating aneurysmatic aorta in an open-surgery procedure, comprising steps of:
- (a) identifying a subject having a medical condition indicative of an unacceptably high risk of rupture of an aneurysm of the abdominal aorta;
(b) obtaining an extra-vascular wrapping (EVW) comprising a (i) wrapping adapted to at least partially encircle at least a segment of an aneurysmatic aorta, and (ii) anchoring means adapted to immobilize said wrapping to the aorto-iliac bifurcation via engagement of the aorto-iliac junction, wherein said EVM is wraps the aorta in a non-continuous manner;
(c) surgically exposing said abdominal aorta;
(d) positioning said EVM adjacent to the abdominal aorta of the subject;
aligning a portion of fabric defining the proximal channel parallel to abdominal aorta and aligning portions of fabric defining a first, and possibly a second, distal channels parallel to iliac arteries;
(e) wrapping the wrapping around the aorta, and anchoring said anchoring means to the one or two adjacent iliac arteries; and
(f) connecting corresponding fastening means to one another. - View Dependent Claims (22, 25)
- (a) identifying a subject having a medical condition indicative of an unacceptably high risk of rupture of an aneurysm of the abdominal aorta;
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23. A method for treating an aneurysm of an abdominal aorta characterized by both (i) an internal intimal layer and an external adventitial layer, and (ii) bifurcates to two iliac arteries at an aorto-iliac junction;
- said method comprising steps of;
(a) identifying a subject having a medical condition indicative of an unacceptably high risk of rupture of said aneurysm;
(b) positioning a macroporous medical textile externally adjacent to the aorta for a period of time longer than about 2 weeks;
wherein said textile comprising voids dimensioned to allow free ingrowth of the adventitial layer therethrough, and wherein said textile externally overlaps most of an external surface area of the aneurysm. - View Dependent Claims (24, 26)
- said method comprising steps of;
Specification