CA2360551A1 - Bifurcation stent delivery system - Google Patents

Bifurcation stent delivery system Download PDF

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Publication number
CA2360551A1
CA2360551A1 CA002360551A CA2360551A CA2360551A1 CA 2360551 A1 CA2360551 A1 CA 2360551A1 CA 002360551 A CA002360551 A CA 002360551A CA 2360551 A CA2360551 A CA 2360551A CA 2360551 A1 CA2360551 A1 CA 2360551A1
Authority
CA
Canada
Prior art keywords
balloon
distal
proximal
catheter
guide wire
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
CA002360551A
Other languages
French (fr)
Other versions
CA2360551C (en
Inventor
Tracee E. J. Eidenschink
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.)
Boston Scientific Ltd Barbados
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Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of CA2360551A1 publication Critical patent/CA2360551A1/en
Application granted granted Critical
Publication of CA2360551C publication Critical patent/CA2360551C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61F2/02—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
    • A61F2/07—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
    • A61F2/95—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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • 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
    • 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
    • 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
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter
    • 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
    • A61M2025/1045—Balloon catheters with special features or adapted for special applications for treating bifurcations, e.g. balloons in y-configuration, separate balloons or special features of the catheter for treating bifurcations
    • 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
    • A61M25/1002—Balloon catheters characterised by balloon shape

Abstract

The present invention is drawn to a system for deploying a stent at a bifurcation. In one embodiment, the system includes a stepped balloon which has a first section of a first diameter, and a second section of a second diameter. The first portion is sized to deploy a first stent portion, having a larger deployed diameter, while the second portion is sized to deploy a second stent portion, having a smaller deployed diameter.

Claims (24)

I claim:
1. A bifurcated stent delivery catheter comprising:
an elongate catheter body having a distal end, at least one guide wire lumen therethrough and an inflation lumen therethrough; and a balloon mounted on the distal end of the catheter and in fluid communication with the inflation lumen, the balloon comprising, a proximal portion having a first expanded diameter, a distal portion having a second expanded diameter, the first expanded diameter larger than the second expanded diameter, and a guide wire port located in a transition region between the proximal portion of the balloon and the distal portion of the balloon and in communication with the at least one guide wire lumen.
2. The bifurcated stent delivery catheter of claim 1 further comprising:
a second guide wire lumen having a distal port distal of a distal end of the distal portion of the balloon.
3. The balloon of claim 1 wherein the proximal portion has a central axis and the distal portion has a central axis, the axis of the proximal portion offset from the axis of the distal portion.
4. The balloon of claim 1 wherein the proximal portion has a central axis and the distal portion has a central axis, the axis of the proximal portion co-linear with the axis of the distal portion.
5. The balloon of claim 1 wherein the proximal portion has a proximal waist, a distal waist and a body therebetween, and the distal portion has a proximal waist, a distal waist and a body therebetween.
6. The guide wire port of claim 5 wherein the port is positioned between the distal waist of the proximal portion of the balloon and the proximal waist of the distal portion of the balloon.
7. The balloon of claim 5 wherein the distal waist of the proximal portion of the balloon is bonded to a proximal end of the proximal waist of the distal portion of the balloon, thereby providing a sealed fluid path connecting the proximal portion of the balloon to the distal portion of the balloon.
8. The balloon of claim 5 wherein the distal waist of the proximal portion of the balloon forms a reverse cone sized and configured to closely wrap over the proximal waist of the distal portion of the balloon.
9. A dual balloon catheter comprising:
an elongate catheter body having a distal end, at least one guide wire lumen therethrough and an inflation lumen therein;
a first proximal balloon having a proximal portion bonded to the catheter;
a second distal balloon having a distal portion bonded to the catheter distally of the first balloon, the proximal and distal balloons in fluid communication with the inflation lumen; and a guide wire port positioned between the first and second balloons and in communication with the at least one guide wire lumen.
10. The dual balloon catheter of claim 9 wherein a distal portion of the first balloon is bonded to a proximal portion of the second balloon.
1 1. The dual balloon catheter of claim 9 further comprising:
a second guide wire lumen having a distal exit port distal of the distal portion of the second balloon.
12. The first balloon of claim 9 further comprising:
a distal waist means configured to closely fit about a proximal waist of the second balloon.
13. The dual balloon catheter of claim 9 wherein the first balloon has a first axis offset from a second axis of the second balloon.
14. A system for delivering a bifurcated stent comprising:
a catheter having at least a guide wire lumen and an inflation lumen there in;
an expansion means mounted to the catheter and in fluid communication with the inflation lumen;
a stent comprising a first portion with an expanded diameter a second portion with an expanded diameter, the expanded diameter of the first portion larger than the expanded diameter of the second portion, a radial opening in the stent adapted to pass a guide wire through the stent, the opening located between a distal and a proximal end of the stent, the stent mounted on the expansion means; and a guide wire exit port in communication with the guide wire lumen and located between a distal end and a proximal end of the expansion means, the port aligned with the stent such that a wire exiting the port will pass through the radial opening in the stent.
15. The catheter of claim 14 further comprising:
a stiffening member.
16. The stent of claim 14 where the first and second portions comprise separate stents.
17. The catheter of claim 14 further comprising:
a second guide wire lumen having an exit port distal of the distal end of the expansion means.
18. The system for delivering a bifurcated stent of claim 14 further comprising:
a stent sleeve mounted about one of the distal end of the expansion means or the proximal end of the expansion means, the stent sleeve configured to releasably secure the distal end of the stent.
19. A bifurcated stent delivery device comprising:
a catheter having a guide wire lumen therethrough and an at least one inflation lumen therein;
an expansion member having a proximal portion in fluid communication with the at least one inflation lumen and a first expanded diameter and a distal portion in fluid communication with the at least one inflation lumen and a second expanded diameter, the first expanded diameter greater than the second expanded diameter; and a stent sleeve mounted about at least one of a distal end of the distal portion of the expansion member or a proximal end of the proximal portion of the expansion member, the stent sleeve configured to protect or secure an end of a stent.
20. The bifurcated stent delivery device of claim 19 wherein the expansion member comprises:
a first proximal balloon bonded to a distal end of the catheter; and a second balloon bonded to a distal end of the catheter.
21. The bifurcated stent delivery device of claim 19 further comprising a guide wire port in communication with the guide wire lumen and located between the distal portion of the expansion member and the proximal portion of the expansion member.
22. The catheter of claim 19 further comprising a second guide wire lumen therethrough.
23. The catheter of claim 19 further comprising a second inflation lumen therethrough.
24. The bifurcated stent delivery device of claim 19 wherein the expansion member comprises a single balloon.
CA002360551A 1999-01-27 2000-01-26 Bifurcation stent delivery system Expired - Fee Related CA2360551C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11735199P 1999-01-27 1999-01-27
US60/117,351 1999-01-27
PCT/US2000/001938 WO2000044307A1 (en) 1999-01-27 2000-01-26 Bifurcation stent delivery system

Publications (2)

Publication Number Publication Date
CA2360551A1 true CA2360551A1 (en) 2000-08-03
CA2360551C CA2360551C (en) 2009-12-22

Family

ID=22372438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002360551A Expired - Fee Related CA2360551C (en) 1999-01-27 2000-01-26 Bifurcation stent delivery system

Country Status (7)

Country Link
US (3) US7476243B2 (en)
EP (1) EP1152711B1 (en)
JP (1) JP2003525065A (en)
AT (1) ATE299001T1 (en)
CA (1) CA2360551C (en)
DE (2) DE60045193D1 (en)
WO (1) WO2000044307A1 (en)

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WO2000044307A1 (en) 2000-08-03
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US20050192656A1 (en) 2005-09-01
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US8398698B2 (en) 2013-03-19
US7476243B2 (en) 2009-01-13

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