CA2220864A1 - A bifurcation stent - Google Patents
A bifurcation stent Download PDFInfo
- Publication number
- CA2220864A1 CA2220864A1 CA 2220864 CA2220864A CA2220864A1 CA 2220864 A1 CA2220864 A1 CA 2220864A1 CA 2220864 CA2220864 CA 2220864 CA 2220864 A CA2220864 A CA 2220864A CA 2220864 A1 CA2220864 A1 CA 2220864A1
- Authority
- CA
- Canada
- Prior art keywords
- stent
- bifurcation
- branch
- coil design
- design
- 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.)
- Abandoned
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
- A61F2/82—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
- A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
-
- 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
Abstract
In Interventional Cardiology it is often a challenge to stent bifurcation lesions because of the potential for loss of side branches. In this invention, the incomplete coil design on each side allows each branch of the bifurcation to be accessed without compromising the other branch.
This invention relates to a new type of coronary stent for angioplasty of bifurcation lesions.
It has been common with previous stems to have wide spacing between coils to allow access to side branches with the guide wire but really no current stent has this incomplete coil design to allow complete access to side branches. The currently available stents often cause loss of side branches with the resultant undesirable consequences such as myocardial infarction or ischemia.
I have found that the current disadvantages may be overcome by creating a stent with a coil design on one side and then just leaving the opposite side without any metal so that the side branch may be accessed with the second stent. This second stent is a mirror of the first stent with coils on the opposite side and free space again facing the bifurcation.
In terms of the specific stent design it will be a coil design. I refer to Figure 1 which illustrates the current problem with "stent jail" where the stent covers the area of bifurcation. Figure 2 illustrates the complete coil portion going into the incomplete coil portion. Please note in Figure 3 how portion "A" of the stent is deployed first. Then portion "B" is deployed down the opposite arm of the bifurcation.
The stent will be made of stainless steel. It will come in lengths of 10, 20, 30 and 40 mm. It will be delivered on a minimally compliant balloon without a sheath. The marker positions will be on either ends of the stent. */#/#/#/#/*
will be how it will be marked. In the embodiment in the figures it is apparent how the side branch is protected as there is no metal to obstruct it.
This invention relates to a new type of coronary stent for angioplasty of bifurcation lesions.
It has been common with previous stems to have wide spacing between coils to allow access to side branches with the guide wire but really no current stent has this incomplete coil design to allow complete access to side branches. The currently available stents often cause loss of side branches with the resultant undesirable consequences such as myocardial infarction or ischemia.
I have found that the current disadvantages may be overcome by creating a stent with a coil design on one side and then just leaving the opposite side without any metal so that the side branch may be accessed with the second stent. This second stent is a mirror of the first stent with coils on the opposite side and free space again facing the bifurcation.
In terms of the specific stent design it will be a coil design. I refer to Figure 1 which illustrates the current problem with "stent jail" where the stent covers the area of bifurcation. Figure 2 illustrates the complete coil portion going into the incomplete coil portion. Please note in Figure 3 how portion "A" of the stent is deployed first. Then portion "B" is deployed down the opposite arm of the bifurcation.
The stent will be made of stainless steel. It will come in lengths of 10, 20, 30 and 40 mm. It will be delivered on a minimally compliant balloon without a sheath. The marker positions will be on either ends of the stent. */#/#/#/#/*
will be how it will be marked. In the embodiment in the figures it is apparent how the side branch is protected as there is no metal to obstruct it.
Claims
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
A tool to take the form of a coronary stent, that allows unprecedented access to side branches as a result of its unique complete then incomplete coil design.
A tool to take the form of a coronary stent, that allows unprecedented access to side branches as a result of its unique complete then incomplete coil design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2220864 CA2220864A1 (en) | 1998-01-20 | 1998-01-20 | A bifurcation stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2220864 CA2220864A1 (en) | 1998-01-20 | 1998-01-20 | A bifurcation stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2220864A1 true CA2220864A1 (en) | 1999-07-20 |
Family
ID=29275198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2220864 Abandoned CA2220864A1 (en) | 1998-01-20 | 1998-01-20 | A bifurcation stent |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2220864A1 (en) |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6695877B2 (en) | 2001-02-26 | 2004-02-24 | Scimed Life Systems | Bifurcated stent |
| US7678142B2 (en) | 1996-11-04 | 2010-03-16 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7731741B2 (en) | 2005-09-08 | 2010-06-08 | Boston Scientific Scimed, Inc. | Inflatable bifurcation stent |
| US7758634B2 (en) | 2001-02-26 | 2010-07-20 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US7766955B2 (en) | 1996-11-04 | 2010-08-03 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7799064B2 (en) | 2001-02-26 | 2010-09-21 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US7815675B2 (en) | 1996-11-04 | 2010-10-19 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US7833266B2 (en) | 2007-11-28 | 2010-11-16 | Boston Scientific Scimed, Inc. | Bifurcated stent with drug wells for specific ostial, carina, and side branch treatment |
| US7833264B2 (en) | 2006-03-06 | 2010-11-16 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US7842081B2 (en) | 2005-11-14 | 2010-11-30 | Boston Scientific Scimed, Inc. | Stent with spiral side-branch |
| US7842082B2 (en) | 2006-11-16 | 2010-11-30 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US7892279B2 (en) | 1998-01-14 | 2011-02-22 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7922758B2 (en) | 2006-06-23 | 2011-04-12 | Boston Scientific Scimed, Inc. | Nesting twisting hinge points in a bifurcated petal geometry |
| US7951192B2 (en) | 2001-09-24 | 2011-05-31 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US7951191B2 (en) | 2006-10-10 | 2011-05-31 | Boston Scientific Scimed, Inc. | Bifurcated stent with entire circumferential petal |
| US7959668B2 (en) | 2007-01-16 | 2011-06-14 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US7959669B2 (en) | 2007-09-12 | 2011-06-14 | Boston Scientific Scimed, Inc. | Bifurcated stent with open ended side branch support |
| US8007528B2 (en) | 2004-03-17 | 2011-08-30 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US8016878B2 (en) | 2005-12-22 | 2011-09-13 | Boston Scientific Scimed, Inc. | Bifurcation stent pattern |
| US8038706B2 (en) | 2005-09-08 | 2011-10-18 | Boston Scientific Scimed, Inc. | Crown stent assembly |
| US8043366B2 (en) | 2005-09-08 | 2011-10-25 | Boston Scientific Scimed, Inc. | Overlapping stent |
| US8118861B2 (en) | 2007-03-28 | 2012-02-21 | Boston Scientific Scimed, Inc. | Bifurcation stent and balloon assemblies |
| US8206429B2 (en) | 2006-11-02 | 2012-06-26 | Boston Scientific Scimed, Inc. | Adjustable bifurcation catheter incorporating electroactive polymer and methods of making and using the same |
| US8216267B2 (en) | 2006-09-12 | 2012-07-10 | Boston Scientific Scimed, Inc. | Multilayer balloon for bifurcated stent delivery and methods of making and using the same |
| US8257425B2 (en) | 1999-01-13 | 2012-09-04 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US8277501B2 (en) | 2007-12-21 | 2012-10-02 | Boston Scientific Scimed, Inc. | Bi-stable bifurcated stent petal geometry |
| US8298278B2 (en) | 2006-03-07 | 2012-10-30 | Boston Scientific Scimed, Inc. | Bifurcated stent with improvement securement |
| US8298280B2 (en) | 2003-08-21 | 2012-10-30 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US8317855B2 (en) | 2005-05-26 | 2012-11-27 | Boston Scientific Scimed, Inc. | Crimpable and expandable side branch cell |
| US8343211B2 (en) | 2005-12-14 | 2013-01-01 | Boston Scientific Scimed, Inc. | Connectors for bifurcated stent |
| US8435284B2 (en) | 2005-12-14 | 2013-05-07 | Boston Scientific Scimed, Inc. | Telescoping bifurcated stent |
| US8480728B2 (en) | 2005-05-26 | 2013-07-09 | Boston Scientific Scimed, Inc. | Stent side branch deployment initiation geometry |
| US8647376B2 (en) | 2007-03-30 | 2014-02-11 | Boston Scientific Scimed, Inc. | Balloon fold design for deployment of bifurcated stent petal architecture |
| US8932340B2 (en) | 2008-05-29 | 2015-01-13 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US9427340B2 (en) | 2004-12-14 | 2016-08-30 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
-
1998
- 1998-01-20 CA CA 2220864 patent/CA2220864A1/en not_active Abandoned
Cited By (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766955B2 (en) | 1996-11-04 | 2010-08-03 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7678142B2 (en) | 1996-11-04 | 2010-03-16 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7850725B2 (en) | 1996-11-04 | 2010-12-14 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US7815675B2 (en) | 1996-11-04 | 2010-10-19 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US7892279B2 (en) | 1998-01-14 | 2011-02-22 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US8241349B2 (en) | 1998-01-14 | 2012-08-14 | Boston Scientific Scimed, Inc. | Extendible stent apparatus |
| US8257425B2 (en) | 1999-01-13 | 2012-09-04 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US7758634B2 (en) | 2001-02-26 | 2010-07-20 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US8632579B2 (en) | 2001-02-26 | 2014-01-21 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US6695877B2 (en) | 2001-02-26 | 2004-02-24 | Scimed Life Systems | Bifurcated stent |
| US7799064B2 (en) | 2001-02-26 | 2010-09-21 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
| US8425590B2 (en) | 2001-09-24 | 2013-04-23 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US7951192B2 (en) | 2001-09-24 | 2011-05-31 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US8298280B2 (en) | 2003-08-21 | 2012-10-30 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US8007528B2 (en) | 2004-03-17 | 2011-08-30 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US9427340B2 (en) | 2004-12-14 | 2016-08-30 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| US8317855B2 (en) | 2005-05-26 | 2012-11-27 | Boston Scientific Scimed, Inc. | Crimpable and expandable side branch cell |
| US8480728B2 (en) | 2005-05-26 | 2013-07-09 | Boston Scientific Scimed, Inc. | Stent side branch deployment initiation geometry |
| US8038706B2 (en) | 2005-09-08 | 2011-10-18 | Boston Scientific Scimed, Inc. | Crown stent assembly |
| US7731741B2 (en) | 2005-09-08 | 2010-06-08 | Boston Scientific Scimed, Inc. | Inflatable bifurcation stent |
| US8043366B2 (en) | 2005-09-08 | 2011-10-25 | Boston Scientific Scimed, Inc. | Overlapping stent |
| US7842081B2 (en) | 2005-11-14 | 2010-11-30 | Boston Scientific Scimed, Inc. | Stent with spiral side-branch |
| US8435284B2 (en) | 2005-12-14 | 2013-05-07 | Boston Scientific Scimed, Inc. | Telescoping bifurcated stent |
| US8343211B2 (en) | 2005-12-14 | 2013-01-01 | Boston Scientific Scimed, Inc. | Connectors for bifurcated stent |
| US8016878B2 (en) | 2005-12-22 | 2011-09-13 | Boston Scientific Scimed, Inc. | Bifurcation stent pattern |
| US7833264B2 (en) | 2006-03-06 | 2010-11-16 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US8298278B2 (en) | 2006-03-07 | 2012-10-30 | Boston Scientific Scimed, Inc. | Bifurcated stent with improvement securement |
| US7922758B2 (en) | 2006-06-23 | 2011-04-12 | Boston Scientific Scimed, Inc. | Nesting twisting hinge points in a bifurcated petal geometry |
| US8216267B2 (en) | 2006-09-12 | 2012-07-10 | Boston Scientific Scimed, Inc. | Multilayer balloon for bifurcated stent delivery and methods of making and using the same |
| US9492297B2 (en) | 2006-09-12 | 2016-11-15 | Boston Scientific Scimed, Inc. | Multilayer balloon for bifurcated stent delivery and methods of making and using the same |
| US7951191B2 (en) | 2006-10-10 | 2011-05-31 | Boston Scientific Scimed, Inc. | Bifurcated stent with entire circumferential petal |
| US8556955B2 (en) | 2006-11-02 | 2013-10-15 | Boston Scientific Scimed, Inc. | Adjustable bifurcation catheter incorporating electroactive polymer and methods of makings and using the same |
| US8206429B2 (en) | 2006-11-02 | 2012-06-26 | Boston Scientific Scimed, Inc. | Adjustable bifurcation catheter incorporating electroactive polymer and methods of making and using the same |
| US7842082B2 (en) | 2006-11-16 | 2010-11-30 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US7959668B2 (en) | 2007-01-16 | 2011-06-14 | Boston Scientific Scimed, Inc. | Bifurcated stent |
| US8118861B2 (en) | 2007-03-28 | 2012-02-21 | Boston Scientific Scimed, Inc. | Bifurcation stent and balloon assemblies |
| US8647376B2 (en) | 2007-03-30 | 2014-02-11 | Boston Scientific Scimed, Inc. | Balloon fold design for deployment of bifurcated stent petal architecture |
| US7959669B2 (en) | 2007-09-12 | 2011-06-14 | Boston Scientific Scimed, Inc. | Bifurcated stent with open ended side branch support |
| US7833266B2 (en) | 2007-11-28 | 2010-11-16 | Boston Scientific Scimed, Inc. | Bifurcated stent with drug wells for specific ostial, carina, and side branch treatment |
| US8277501B2 (en) | 2007-12-21 | 2012-10-02 | Boston Scientific Scimed, Inc. | Bi-stable bifurcated stent petal geometry |
| US8932340B2 (en) | 2008-05-29 | 2015-01-13 | Boston Scientific Scimed, Inc. | Bifurcated stent and delivery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |