Intraluminal vessel prosthesis system
Inventors
Youssef, Marwan • Woerne, Christian • Walther, Michael
Assignees
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Publication Number
US-11684497-B2
Publication Date
2023-06-27
Expiration Date
Abstract
The present invention relates to an intraluminal vessel prosthesis system for implantation in the region of the aortic arch of a patient, comprising a hollow cylindrical main vessel prosthesis, wherein the hollow cylindrical main vessel prosthesis is configured and dimensioned for implantation in the region of the artic arch and the descending aorta (Aorta descendens) of the patient and wherein the main vessel prosthesis, at least over part of the length L2 of the anchoring vessel prosthesis, and wherein the diameter D2 of the anchoring vessel prosthesis is at least 45% smaller than the diameter D1 of the main vessel prosthesis and wherein the length L2 of the anchoring vessel prosthesis is shorter than the length L2 of the main vessel prosthesis.
Core Innovation
The invention relates to an intraluminal vascular prosthesis system configured for implantation in a region of an aortic arch and a descending aorta. It includes a hollow-cylindrical main vessel prosthesis having a lumen routed through the main vessel prosthesis, with a first lumen end and a second lumen end, and a hollow-cylindrical stent frame with a prosthesis material secured thereon.
The main vessel prosthesis further includes at least one hollow-cylindrical anchoring vessel prosthesis. The anchoring vessel prosthesis has a lumen routed through the anchoring vessel prosthesis, with a first lumen end and a second lumen end, and a hollow-cylindrical stent frame with a prosthesis material secured thereon, with a length L2 and a diameter D2, wherein the diameter D2 is at least 45% smaller than the diameter D1 and the length L2 is shorter than the length L1.
In addition, the vascular prosthesis system comprises at least one side vessel prosthesis having a lumen routed through the side vessel prosthesis, with a first lumen end and a second lumen end, and a hollow-cylindrical stent frame with a prosthesis material secured thereon. The side vessel prosthesis is designed and dimensioned to bridge the outlet of a subclavian artery and/or a carotid artery, and its second lumen end is inserted at least partially into and fixed in the lumen of the anchoring vessel prosthesis via the first lumen end of the anchoring vessel prosthesis.
Claims Coverage
The document provides three independent claims covering an intraluminal vascular prosthesis system, an implantation method, and a treatment method. The independent claims emphasize the main vessel prosthesis, the anchoring vessel prosthesis with dimensional constraints and flush first lumen ends, and the side vessel prosthesis routed into the anchoring prosthesis lumen.
Main and anchoring hollow-cylindrical prosthesis with dimensional constraints and flush lumen ends
A hollow-cylindrical main vessel prosthesis configured and dimensioned for implantation in the region of the aortic arch and a descending aorta, including a lumen with a hollow-cylindrical stent frame and prosthesis material, and at least one hollow-cylindrical anchoring vessel prosthesis seated inside the main lumen, wherein the anchoring vessel prosthesis has a diameter D2 at least 45% smaller than the diameter D1, a length L2 shorter than the length L1, and the first lumen end of the main vessel prosthesis and the first lumen end of the anchoring vessel prosthesis are flush with one another.
Side vessel bridging and anchoring by insertion into anchoring prosthesis lumen via flush lumen end
At least one side vessel prosthesis designed and dimensioned to bridge the outlet of a subclavian artery and/or a carotid artery, positioned with its first lumen end in the subclavian artery and/or the carotid artery and with its second lumen end inserted at least partially into and fixed in the lumen of the anchoring vessel prosthesis via the first lumen end of the anchoring vessel prosthesis.
Implantation by inserting main and side prostheses with side second lumen end routed via flush first lumen ends
A method comprising inserting and releasing the main vessel prosthesis in a region of the aortic arch and of a descending aorta, and inserting and releasing a side vessel prosthesis with its first lumen end in a subclavian artery and/or in a carotid artery and with its second lumen end at least partially in the lumen of the anchoring vessel prosthesis via the first lumen end of the anchoring vessel prosthesis.
Treating vascular disease by implanting the system and anchoring the side vessel prosthesis
A method for treating a vascular disease comprising providing the intraluminal vascular prosthesis system with a hollow-cylindrical main vessel prosthesis and at least one hollow-cylindrical anchoring vessel prosthesis with the diameter and length constraints and flush first lumen ends, and inserting and releasing the main vessel prosthesis and the side vessel prosthesis such that the side vessel prosthesis second lumen end is routed at least partially into the lumen of the anchoring vessel prosthesis via the first lumen end of the anchoring vessel prosthesis, thereby treating the vascular disease.
Across the independent claims, the core inventive coverage is the combination of a hollow-cylindrical main vessel prosthesis with an inside anchoring hollow-cylindrical prosthesis having a diameter D2 at least 45% smaller than D1, length L2 shorter than L1, and flush first lumen ends, together with a side vessel prosthesis bridging subclavian and/or carotid outlets whose second lumen end is inserted into and fixed in the anchoring prosthesis lumen via the anchoring/main first lumen end.
Stated Advantages
Enabling separate, precise implantation of main/anchoring and side components.
Reduced need for highly specialized surgeons.
Adaptable fitting to patient anatomy.
Maintaining blood supply to side vessels while supporting the diseased vessel.
Documented Applications
Implantation of an intraluminal vascular prosthesis system into a region of an aortic arch and a descending aorta of a patient.
Bridging subclavian artery and/or carotid artery outlets using a side vessel prosthesis positioned with its first lumen end in the subclavian artery and/or the carotid artery.
Treatment of a vascular disease in an aortic arch of a subject in need thereof by using the intraluminal vascular prosthesis system.
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