Device forming an endoluminal intracorporeal endoprosthesis, in particular for the abdominal aorta
First Claim
1. An endoluminal endoprosthesis device comprising:
- a first element deployable from a closed, non-deployed position for installation purposes to a deployed, working position and having an upstream end and a downstream end, said first element comprising a first segment having first and second end openings and sized for filling a cross-section of a blood vessel in which said first element is to be incorporated when said first element is in said deployed, working position, said first element further comprising a second segment connected to one of said first and second end openings of said first segment and forming at least two independent trunks, each of said at least two independent trunks having an upstream first opening communicating with said first segment and a downstream second opening, said first element further comprising a third segment connected to and communicating with said downstream second opening of said each of said at least two independent trunks of said second segment, said third segment having a diameter in said deployed state for facilitating access of a second endoprosthesis-forming device through said third segment into engagement in one of said at least two independent trunks for treating a blood vessel downstream therefrom, said first element comprising at least one of a wire and tape, wherein said at least one of said wire and tape is made of a biocompatible alloy having shape memory, and said first, second, and third segments being formed by a continuous one of a single meshworking step and a single knitting step of said at least one of a wire and tape such that there are no gaps between the first segment and the second segment and between said second segment and said third segment; and
a second element comprising a leak-proof envelope substantially surrounding said first element including said at least two independent trunks of said second segment, said envelope providing a leak-proof fluid seal about said first element and permitting fluid flow from said upstream end to said downstream end of said first element.
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Accused Products
Abstract
The invention relates to a device forming an endoluminal endoprosthesis. The device comprises at least a first segment, and upstream from said segment, at a predetermined distance therefrom, it comprises a "fixing" upstream segment made of a biocompatible material so as to be deployable from a closed or non-deployed position for insertion purposes to a deployed working position, the deployed working position being designed to be located in a healthy zone of blood vessel and being separated from the first segment by a predetermined distance defined by links of predetermined length. The invention makes it easy to recatheterize a blood vessel such as the abdominal aorta suffering from an aneurysm.
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Citations
37 Claims
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1. An endoluminal endoprosthesis device comprising:
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a first element deployable from a closed, non-deployed position for installation purposes to a deployed, working position and having an upstream end and a downstream end, said first element comprising a first segment having first and second end openings and sized for filling a cross-section of a blood vessel in which said first element is to be incorporated when said first element is in said deployed, working position, said first element further comprising a second segment connected to one of said first and second end openings of said first segment and forming at least two independent trunks, each of said at least two independent trunks having an upstream first opening communicating with said first segment and a downstream second opening, said first element further comprising a third segment connected to and communicating with said downstream second opening of said each of said at least two independent trunks of said second segment, said third segment having a diameter in said deployed state for facilitating access of a second endoprosthesis-forming device through said third segment into engagement in one of said at least two independent trunks for treating a blood vessel downstream therefrom, said first element comprising at least one of a wire and tape, wherein said at least one of said wire and tape is made of a biocompatible alloy having shape memory, and said first, second, and third segments being formed by a continuous one of a single meshworking step and a single knitting step of said at least one of a wire and tape such that there are no gaps between the first segment and the second segment and between said second segment and said third segment; and a second element comprising a leak-proof envelope substantially surrounding said first element including said at least two independent trunks of said second segment, said envelope providing a leak-proof fluid seal about said first element and permitting fluid flow from said upstream end to said downstream end of said first element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An endoluminal endoprosthesis device comprising:
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a first element deployable from a closed or non-deployed position for installation purposes to a deployed, working position and having an upstream end and a downstream end, said first element comprising a first segment having first and second end openings and sized for filling a cross section of a blood vessel in which said first element is to be incorporated when said first element is in said deployed, working position, said first element further comprising a second segment connected to one of said first and second end openings of said first segment and forming at least two independent trunks, each of said at least two independent trunks having an upstream first opening communicating with said first segment and a downstream second opening, said first element further comprising a third segment connected to and communicating with said down stream second opening of said each of said at least two independent trunks of said second segment, said third segment having a diameter in said deployed state for facilitating access of a second endoprosthesis-forming device through said third segment into engagement in one of said at least two independent trunks for treating a blood vessel downstream from said one of said at least two independent trunks, said first element comprising at least one of a wire and tape, wherein said at least one of said wire and tape is made of a biocompatible alloy having a shape memory, and said first, second, and third segments being formed by a continuous one of a single meshworking step and a single knitting step of said at least one of a wire and tape such that there are no gaps between the first segment and the second segment and between said second segment and said third segment; a second element comprising a leak-proof envelope surrounding said first element including said at least two independent trunks of said second segment, said envelope providing a leak-proof fluid seal about said first element and permitting fluid flow from said upstream end to said downstream end of said first element; and a fixing segment for connection to a healthy portion of a blood vessel upstream of said first segment of said first element and separated from said first segment by links of a predetermined length. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 36)
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28. An endoluminal endoprosthesis device comprising:
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a first element deployable from a closed or non-deployed position for installation purposes to a deployed working position and having an upstream end and a downstream end, said first element comprising a first segment having first and second end openings and sized for filling a cross-section of a blood vessel in which said first element is to be incorporated when said first element is in said deployed, working position, said first element further comprising a second segment connected to one of said first and second end openings of said first segment and forming at least two independent trunks, each of said at least two independent trunks having an upstream first opening communicating with said first segment and a downstream second opening, each of said at least two independent trunks having a constricted blood flow diameter in the deployed state that is less than half of a diameter of the first segment in the deployed state for facilitating accelerated blood flow through said second segment thereby promoting increased downstream bloodflow, said first element further comprising a third segment connected to and communicating with said down stream second opening of said each of said at least two independent trunks of said second segment, said third segment having a diameter in said deployed state for facilitating access of a second endoprosthesis-forming device through said third segment into engagement in one of said at least two independent trunks for treating a blood vessel downstream from said one of said at least two independent trunks, said first element comprising at least one of a wire and a tape, wherein said at least one of said wire and tape is made of a biocompatible alloy having a shape memory, said first, second, and third segments being formed by means of a continuous one of a single meshworking step and a single knitting step of said at least one of said wire and tape such that there are no gaps between said first and second segments and said second and third segments; and a second element comprising a leak-proof envelope surrounding said first element and said at least two independent trunks of said second segment, said envelope providing a leak-proof fluid seal about said first element and permitting fluid flow from said upstream end to said downstream end of said first element. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 37)
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Specification