CA2399439A1 - Endolumenal device for delivering and deploying an endolumenal expandable prosthesis - Google Patents

Endolumenal device for delivering and deploying an endolumenal expandable prosthesis Download PDF

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Publication number
CA2399439A1
CA2399439A1 CA002399439A CA2399439A CA2399439A1 CA 2399439 A1 CA2399439 A1 CA 2399439A1 CA 002399439 A CA002399439 A CA 002399439A CA 2399439 A CA2399439 A CA 2399439A CA 2399439 A1 CA2399439 A1 CA 2399439A1
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CA
Canada
Prior art keywords
guidewire
distal
endolumenal device
elongated body
endolumenal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002399439A
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French (fr)
Other versions
CA2399439C (en
Inventor
Alessandro Loaldi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EVR Medical Sarl
Original Assignee
E.V.R. Endovascular Researches S.A.
Alessandro Loaldi
Evr Medical S.A.R.L.
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Filing date
Publication date
Application filed by E.V.R. Endovascular Researches S.A., Alessandro Loaldi, Evr Medical S.A.R.L. filed Critical E.V.R. Endovascular Researches S.A.
Publication of CA2399439A1 publication Critical patent/CA2399439A1/en
Application granted granted Critical
Publication of CA2399439C publication Critical patent/CA2399439C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/856—Single tubular stent with a side portal passage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/852—Two or more distinct overlapping stents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2002/065—Y-shaped blood vessels
    • A61F2002/067—Y-shaped blood vessels modular
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958—Inflatable balloons for placing stents or stent-grafts
    • A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0085—Identification means; Administration of patients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0085—Identification means; Administration of patients
    • A61F2250/0087—Identification means; Administration of patients colour-coded
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1056—Balloon catheters with special features or adapted for special applications having guide wire lumens outside the main shaft, i.e. the guide wire lumen is within or on the surface of the balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/107—Balloon catheters with special features or adapted for special applications having a longitudinal slit in the balloon

Abstract

An endolumenal device (1) for delivering and deploying an endolumenal expandable prosthesis (6) at a bifurcation provided with a main conduit and at least a secondary conduit, comprises an elongated body (2) having a proximal end portion (4) and a distal end portion (3); the distal end portion (3) comprising expansion means (5) having a longitudinally extended active portion removably engageable with the prosthesis (6). Said active portion of the expansion means is longitudinally associated to the body in order to expand said prosthesis eccentrically from one side with respect to the body, in order to leave free from said expanded active portion the other side of the body. The device further is provided with guidewire tracking means (11).

Claims (34)

1. Endolumenal device (1) for delivering and deploying an endolumenal expandable prosthesis (6) at a bifurcation provided with a main conduit and at least a secondary conduit, comprising:
- an elongated body (2) having a proximal end portion (4) and a distal end portion (3);
- the distal end portion (3) of said elongated body (2) comprising expansion means (5) having a longitudinally extended active portion removably engageable with the endolumenal expandable prosthesis (6) and adapted to adjust said prosthesis (6) from a radially collapsed condition to a radially expanded condition;
- a guidewire tracking means (11) at least partially extending along said elongated body (2);
characterised by the fact that - said active portion of the expansion means is longitudinally associated to the elongated body in order to expand said prosthesis eccentrically from one side with respect to the elongated body, in order to leave free from said expanded active portion the other side of the elongated body, and in that - said guidewire tracking means (11) comprises at least a guidewire lumen (12; 13) at least partially extending inside said elongated body (2), having at least a guidewire distal port (15) provided on a side of the elongated body opposed to the expansion means and suitable for slipping through it a guidewire portion of at least a guidewire placeable with its distal portion in said main or at least a secondary conduit.
2. Endolumenal device (1), according to Claim 1, in which said at least a guidewire lumen (12; 13) extends completely inside said elongated body (2).
3. Endolumenal device (1), according to Claim 1 or 2, in which said active portion of the expansion means is entirely associated to the elongated body in order to expand said prosthesis exclusively from one side with respect to the elongated body and in order to leave free from said expanded active portion the other side of the elongated body.
4. Endolumenal device (1), according to anyone of Claim 1 to 3, in which the side of the elongated body portion associated to the expansion means and free from said expanded active portion, or free side, is provided with a fissure (100) suitable for realising a distal guidewire port (15) of said at least a guidewire lumen.
5. Endolumenal device (1), according to Claim 4, in which said fissure (15) is extended between a distal end and a proximal end of said elongated body portion associated to the expansion means.
6. Endolumenal device (1), according to anyone of Claim 1 to 3, in which the side of the elongated body associated to the expansion means and free from the expanded expansion means comprises a wall that partially bounds said at least a guidewire lumen and is suitable for being bored by a guidewire end in order to slip through the bored portion of the wall said guidewire.
7. Endolumenal device (1), according to anyone of Claim 1 to 3, in which said at least a guidewire lumen (12; 13) has a plurality of distal guidewire ports (14,15,15I,15II,15III,15IV;15V,15VI,15VII,15VIII,15IX,15X,15XI, 15XII, 15XIII, 15XIV) spaced out along said elongated body (2).
8. Endolumenal device (1), according to Claim 7, in which said guidewire tracking means (11) comprise a plurality of guidewire lumens (12, 13I, 13II, 13III, 13IV) associated to each of said distal guidewire ports (14,15,15I,15II,15III,15IV).
9. Endolumenal device (1), according to anyone of the previous Claims, in which the at least a guidewire lumen (12) has a distal guidewire port (14), or apical port, at the tip of said distal end portion (3) of the elongated body (2).
10. Endolumenal device (1), according to Claim 9, in which are provided a firs guidewire lumen (12) associated to said apical port (14) and a second guidewire lumen (13) associated to a plurality of distal guidewire ports (15, 15I, 15II, 15III, 15IV; 15V, 15VI, 15VII, 15VIII, 15IX, 15X, 15XI, 15XII
,15XIII, 15XIV), or side ports, provided on a side of the elongated body opposed to the expansion means.
11. Endolumenal device (1), according to Claim 9, in which is provided a single guidewire lumen associated to said apical port (14) and to a plurality of distal guidewire ports (15, 15I, 15II, 15III, 15IV; 15V, 15VI, 15VII, 15VIII, 15IX, 15X, 15XI, 15XII, 15XIII, 15XIV), or side ports, provided on a side of the elongated body opposed to the expansion means.
12. Endolumenal device (1), according to anyone of the previous Claims, in which the at least a guidewire lumen (13) has a distal guidewire port (15) near a distal end of the expansion means (5).
13. Endolumenal device (1), according to anyone of the previous Claims, in which the at least a guidewire lumen (13) has at least a distal port (15,15I,15II,15III,15IV;15V,15VI,15VII,15VIII,15IX,15X,15XI,15XII
,15XIII,15XIV) in a portion of the elongated body (2) that lies between a distal end and a proximal end of the expansion means (5).
14. Endolumenal device (1), according to any of the previous Claims, in which said at least a guidewire lumen (12;13) has at least a proximal guidewire port (16; 17) provided in a portion of the elongated body (2) located, with respect to the expansion means (5), at the opposite end from its distal end (9).
15. Endolumenal device (1), according to any one of the previous Claims, in which a distal guidewire port of the at least a guidewire lumen (13) is located near a proximal end of the expansion means (5).
16. Endolumenal device (1), according to any of the previous Claims, in which said expansion means (5) is a balloon.
17. Endolumenal device (1), according to Claim 16, in which said balloon is functionally connected to an inflation lumen (18) extending between the proximal (4) and distal (3) end portions of the elongated body (2).
18. Endolumenal device (1), according to Claim 17, in which the proximal end portion (4) of the elongated body (2) comprises a fluid connector means (10), which is in fluid communication with the inflation lumen (18) and which is adapted to functionally couple with a pressurizable fluid source.
19. Endolumenal device (1), according to Claim 16, in which said balloon (5), under the effect of the pressurized fluid, is expandable eccentrically from one side or laterally with respect to the elongated body (2) in order to leave free from said expanded balloon the other side of the elongated body.
20. Endolumenal device (1), according to Claim 19, in which said balloon (5) is in contact with the elongated body (2) between its distal end and its proximal end.
21. Endolumenal device (1), according to Claim 20, in which the entire portion of the elongated body (2) associated to the balloon is attached internally to the wall (20) of the balloon (5).
22. Endolumenal device (1), according to Claim 21, in which the entire portion of the elongated body (2) associated to the balloon is attached externally to the wall (20) of the balloon (5).
23. Endolumenal device (1), according to any of the previous Claims, in which the elongated body (2) includes radio-opaque markers (30, 31) for the identification of the position along said body of the distal (14, 15) and/or proximal (16, 17) guidewire ports of the guidewire lumens (12, 13).
24. Endolumenal device (1), according to any of the previous Claims, in which the elongated body (2) includes radio-opaque markers (30, 31) for the identification of the position along said body of a distal and/or proximal end of the expansion means (5).
25. Endolumenal device (1), according to any of Claims 1 to 15, in which said expansion means are suitable for holding a self-expanding prosthesis in a radially collapsed position and releasing it in a controlled manner so that it assumes a radially expanded position.
26. Method for assembling out of an human body an endolumenal device (1), according to any of the previous Claims, to guidewires (24, 25), said guidewires being positioned along a common proximal section of path and a diverging distal section of path, forming a bifurcation between said sections, employing the following stages:
- said endolumenal device (1) is fitted onto a proximal end of a first guidewire (24) so that said first guidewire is received in a guidewire lumen (12;13) through a first distal guidewire port (14);
- said endolumenal device (1) is fitted onto a proximal end of a second guidewire (25) so that said second guidewire is received in the guidewire lumen (12;13) through a second distal guidewire port (15);
- said endolumenal device is advanced along said guidewires until at least part of the distal end portion (3) of the elongated body (2) is positioned beyond the bifurcation of the guidewires.
27. Method for assembling out of an human body an endolumenal device (1), according to any of Claims 1 to 26, to guidewires (24, 25), said guidewires being positioned along a common proximal section and a diverging distal section of path, forming a bifurcation between said sections, employing the following stages:
- said endolumenal device (1) is fitted onto a proximal end of a first guidewire (24) so that said first guidewire is received in a guidewire lumen (12;13) through a first distal guidewire port (14);
- said endolumenal device (1) is fitted onto a proximal end of a second guidewire (25) so that said second guidewire is received in the guidewire lumen (12;13) through a second distal guidewire port (15);
- said endolumenal device is advanced along said guidewires until at least part of the distal end portion (3) of the elongated body (2) is positioned on a distal diverging section of path of one of the guidewires (24).
28. Kit for delivering and deploying an endolumenal expandable prosthesis (6), comprising:
- an endolumenal device (1), according to any of Claims 1 to 25;
- at least a couple of guidewires (24, 25);
- at least one radially expandable prosthesis (6) attached to the expansion means (5) of said endolumenal device, said prosthesis having a tubular prosthesis body adapted to adjust from a radially collapsed condition, of minimum radial diameter, to a radially expanded condition, of expanded external diameter greater than the collapsed external diameter.
29. Kit for delivering and deploying an endolumenal expandable prosthesis (6), comprising:
- an endolumenal device (1), according to any of Claims 1 to 25, in which a distal port (15,..., 15IVX) is located between a first proximal portion of the expansion means (5) and a second distal portion of the expansion means (5);
- at least a couple of guidewires (24, 25);
- at least one first expandable prosthesis radially attached to the proximal portion of the expansion means (5) of said endolumenal device, said prosthesis having a tubular prosthesis body adapted to adjust from a radially collapsed condition, of minimum radial diameter, to a radially expanded condition, of expanded external diameter greater than the collapsed external diameter.
- at least one second radially expandable prosthesis attached to the distal portion of the expansion means (5) of said endolumenal device, said prosthesis having a tubular prosthesis body adapted to adjust from a radially collapsed condition, of minimum radial diameter, to a radially expanded condition, of expanded external diameter greater than the collapsed external diameter.
30. Kit, according to Claim 28 or 29, in which said prosthesis is a stent.
31. Kit, according to Claim 28 or 29, in which each of said guidewires (24, 25) includes means of identification.
32. Kit, according to Claim 28 or 29, in which said guidewires (24, 25) include initial proximal sections which are positionable along a proximal section of path common to all the guidewires, and second distal sections positionable along distal sections of path which diverge and form a bifurcation with said proximal section of path, in which at least one of said guidewires includes an elastically flexible distal portion which extends at least to straddle said bifurcation.
33. Method for fitting a radially expandable prosthesis to the walls of branches of conduits forming a T bifurcation, said bifurcation comprising a main conduit and a collateral conduit that branches off from a wall of the main conduit, comprising the following stages:
- a kit as claimed in any of Claims 28 to 32, comprising an endolumenal device as claimed in any of Claims 1 to 24, is prepared;
- a first guidewire is positioned in the main conduit so that it passes the bifurcation, and a second guidewire is positioned in the collateral conduit, said guidewires being positioned in such a way as to follow an initial proximal section of path together and second distal sections of path that diverge at said bifurcation;
- a first endolumenal device equipped with a radially expandable prosthesis is fitted onto a proximal end of the second guidewire, so that said second guidewire is received in a guidewire lumen of the endolumenal device through a distal guidewire port located on the tip of its elongated body;
- said first endolumenal device is inserted into said conduits following the proximal and then the distal sections of path of the second guidewire in order to position the radially expandable prosthesis in the collateral conduit so that its proximal edge is positioned near a mouth of said collateral conduit;
- said expandable means are activated so that said prosthesis is in its radially expanded condition and fixed by pressure to the wall of the collateral conduit;
- said expansion means are withdrawn and the first endolumenal device is withdrawn from the second guidewire until it has been removed from the conduits;
- a second endolumenal device equipped with a radially expandable prosthesis is fitted onto a proximal end of the first guidewire so that said first guidewire is received in a guidewire lumen through a distal guidewire port located on the tip of the endolumenal device;
- said second endolumenal device is fitted onto a proximal end of the second guidewire so that said second guidewire is received in the guidewire lumen through a distal guidewire port located on the portion of elongated body that lies between a distal and a proximal end of the expansion means;
- said endolumenal device is inserted into the main conduit and slid along the proximal section of path of the guidewires until a distal portion of the endolumenal device, located between the tip of said device and the distal guidewire port of the second guidewire lumen, is positioned beyond the bifurcation;
- the expandable means of said second device are activated so as to bring said prosthesis into its radially expanded condition and fixed by pressure to the wall of the main conduit and straddling the bifurcation;
- said expansion means are withdrawn and then the second endolumenal device is withdrawn from the guidewires until it has been removed from the conduits.
34. Method for fitting radially expandable prostheses to the walls of branches of conduits forming a Y

bifurcation, said bifurcation comprising a proximal main conduit and a first and a second distal, secondary conduits which branch off from a distal end of the main conduit, forming between them a carina, comprising the following stages:
- a kit as claimed in any of Claims 28 to 32 is prepared;
- through the main conduit, a first guidewire is positioned in the first secondary conduit and a second guidewire is positioned in the second secondary conduit, said guidewires being positioned so as to follow a first proximal section of path together and second distal sections of path that diverge after said bifurcation;
- a first endolumenal device equipped with a radially expandable prosthesis is fitted onto a distal end of the first guidewire, so that said first guidewire is received in a guidewire lumen of the endolumenal device through a distal guidewire port located at the tip of its elongated body;
- said first endolumenal device is fitted onto a proximal end of the second guidewire so that said second guidewire is received in the guidewire lumen through a distal guidewire port located near the distal end of the expansion means;
- said first endolumenal device is inserted into said conduits following the proximal section of path until the carina is positioned against the elongated body and near the distal guidewire port positioned near the distal end of the expansion means;
- said expansion means are activated so as to bring said prosthesis into its radially expanded condition, fixed by pressure to the wall of the main conduit;
- said expansion means are withdrawn and the first endolumenal device is then withdrawn from the guidewires.
CA2399439A 2000-02-18 2000-12-19 Endolumenal device for delivering and deploying an endolumenal expandable prosthesis Expired - Fee Related CA2399439C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00200572 2000-02-18
EP00200572.6 2000-02-18
PCT/EP2000/012964 WO2001060284A1 (en) 2000-02-18 2000-12-19 Endolumenal device for delivering and deploying an endolumenal expandable prosthesis

Publications (2)

Publication Number Publication Date
CA2399439A1 true CA2399439A1 (en) 2001-08-23
CA2399439C CA2399439C (en) 2010-02-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2399439A Expired - Fee Related CA2399439C (en) 2000-02-18 2000-12-19 Endolumenal device for delivering and deploying an endolumenal expandable prosthesis

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US (2) US7540879B2 (en)
EP (1) EP1255506B1 (en)
JP (1) JP3875560B2 (en)
KR (1) KR100767848B1 (en)
CN (1) CN1192753C (en)
AT (1) ATE248558T1 (en)
AU (2) AU3726401A (en)
BR (1) BR0017126B1 (en)
CA (1) CA2399439C (en)
DE (1) DE60005062T2 (en)
DK (1) DK1255506T3 (en)
ES (1) ES2204749T3 (en)
HK (1) HK1052128A1 (en)
IL (2) IL151204A0 (en)
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