EP1424963A4 - In längsrichtung flexibler stent - Google Patents

In längsrichtung flexibler stent

Info

Publication number: EP1424963A4
Authority: EP; European Patent Office
Prior art keywords: stent; cells; curve; outside; length
Prior art date: 2001-09-10
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP02767765A

Other languages

English (en)

French (fr)

Other versions

EP1424963A2 (de

Inventor

Gregory Pinchasik

Jacob Richter

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.)

Medinol Ltd

Original Assignee

Medinol Ltd

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.)

2001-09-10

Filing date

2002-09-06

Publication date

2005-04-27

2002-09-06 Application filed by Medinol Ltd filed Critical Medinol Ltd

2004-06-09 Publication of EP1424963A2 publication Critical patent/EP1424963A2/de

2005-04-27 Publication of EP1424963A4 publication Critical patent/EP1424963A4/de

Status Withdrawn legal-status Critical Current

Links

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230000005489 elastic deformation Effects 0.000 description 1
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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
- A61F2/86—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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91508—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other the meander having a difference in amplitude along the band
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91525—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91533—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0054—V-shaped
- 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
- 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
- A61F2250/0067—Means for introducing or releasing pharmaceutical products into the body

Definitions

Another object of the present invention is to provide a stent that is longitudinally flexible after delivery such that it flexes during the cycles of the heartbeat to reduce cyclic stress at the ends of the stent and along the stent.
Another object of the present invention is to provide a stent with a closed cell pattern such that it provides good coverage and support to a vessel wall after expansion.
Figure 5 shows a pattern for a stent made in accordance with the present invention
Figure 6 shows an enlarged view of one cell of the pattern of Figure 5.
Figure 16 further illustrates the compensation for foreshortening which takes place upon the expansion of the stent of the present invention.
Fig. 16 This shows how the loop containing sections 901, which are part of the horizontal meander patterns, and have a higher frequency, compensate for foreshortening of the sections 903, which have a lower frequency, when the stent expands.
both the high frequency loop containing section 901 and the low frequency loop containing section 903 are show in the compressed condition.
the width of the section 903 is fromJine 905 to line 907.
the width of the low frequency section extends from 907 to line 909.
the lower portion of the figure shows the stent expanded.
the width of the low frequency section 903 is foreshortened and now extends only from line 905 to line 911.
the second kind of loop containing section is optimized predominantly to enable flexibihty along the longitudinal axis of the stent.
each loop containing section is optimized predominantly to enable a desired characteristic of the stent, the sections are interconnected and cooperate to define the characteristics of the stent. Therefore, the first kind of loop containing section contributes to the longitudinal flexibility of the stent, and the second kind of loop containing section contributes to the radial support of the stent.

Landscapes

Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Life Sciences & Earth Sciences (AREA)
Cardiology (AREA)
Oral & Maxillofacial Surgery (AREA)
Transplantation (AREA)
Physics & Mathematics (AREA)
Vascular Medicine (AREA)
Optics & Photonics (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Media Introduction/Drainage Providing Device (AREA)
Materials For Medical Uses (AREA)

EP02767765A 2001-09-10 2002-09-06 In längsrichtung flexibler stent Withdrawn EP1424963A4 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US31795101P	2001-09-10	2001-09-10
US317951P		2001-09-10
PCT/IB2002/003607 WO2003022172A2 (en)	2001-09-10	2002-09-06	Longitudinally flexible stent

Publications (2)

Publication Number	Publication Date
EP1424963A2 EP1424963A2 (de)	2004-06-09
EP1424963A4 true EP1424963A4 (de)	2005-04-27

Family

ID=23235969

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02767765A Withdrawn EP1424963A4 (de)	2001-09-10	2002-09-06	In längsrichtung flexibler stent

Country Status (5)

Country	Link
EP (1)	EP1424963A4 (de)
JP (1)	JP2005501651A (de)
CA (1)	CA2458996A1 (de)
IL (1)	IL160817A0 (de)
WO (1)	WO2003022172A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8920487B1 (en)	2000-03-01	2014-12-30	Medinol Ltd.	Longitudinally flexible stent
US7316711B2 (en)	2003-10-29	2008-01-08	Medtronic Vascular, Inc.	Intralumenal stent device for use in body lumens of various diameters
CN102309370B (zh)	2005-04-04	2015-04-15	灵活支架解决方案股份有限公司	可挠支架
US7473272B2 (en)	2005-08-17	2009-01-06	Medtronic Vascular, Inc.	Recapturable stent with minimum crossing profile
US20070173924A1 (en) *	2006-01-23	2007-07-26	Daniel Gelbart	Axially-elongating stent and method of deployment
GB0609841D0 (en) *	2006-05-17	2006-06-28	Angiomed Ag	Bend-capable tubular prosthesis
JP4961517B2 (ja) *	2007-02-20	2012-06-27	国立大学法人福井大学	ステント及びそれを用いた管状器官の治療具
US7988723B2 (en)	2007-08-02	2011-08-02	Flexible Stenting Solutions, Inc.	Flexible stent
US9149376B2 (en)	2008-10-06	2015-10-06	Cordis Corporation	Reconstrainable stent delivery system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1129673A2 (de) *	2000-03-01	2001-09-05	Medinol Ltd.	Längsflexibler Stent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6896696B2 (en) *	1998-11-20	2005-05-24	Scimed Life Systems, Inc.	Flexible and expandable stent
US7141062B1 (en) *	2000-03-01	2006-11-28	Medinol, Ltd.	Longitudinally flexible stent

2002
- 2002-09-06 JP JP2003526304A patent/JP2005501651A/ja active Pending
- 2002-09-06 EP EP02767765A patent/EP1424963A4/de not_active Withdrawn
- 2002-09-06 WO PCT/IB2002/003607 patent/WO2003022172A2/en not_active Ceased
- 2002-09-06 IL IL16081702A patent/IL160817A0/xx unknown
- 2002-09-06 CA CA002458996A patent/CA2458996A1/en not_active Abandoned

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1129673A2 (de) *	2000-03-01	2001-09-05	Medinol Ltd.	Längsflexibler Stent

Also Published As

Publication number	Publication date
WO2003022172A2 (en)	2003-03-20
CA2458996A1 (en)	2003-03-20
JP2005501651A (ja)	2005-01-20
EP1424963A2 (de)	2004-06-09
IL160817A0 (en)	2004-08-31
WO2003022172A3 (en)	2003-09-18

Legal Events

Date	Code	Title	Description
2004-04-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2004-06-09	17P	Request for examination filed	Effective date: 20040303
2004-06-09	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
2004-06-09	AX	Request for extension of the european patent	Extension state: AL LT LV MK RO SI
2005-04-27	A4	Supplementary search report drawn up and despatched	Effective date: 20050316
2006-11-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2006-12-20	18D	Application deemed to be withdrawn	Effective date: 20060624

Publication	Publication Date	Title
US7828835B2 (en)	2010-11-09	Longitudinally flexible stent
US6709453B2 (en)	2004-03-23	Longitudinally flexible stent
CA2439088C (en)	2008-01-29	Longitudinally flexible stent
US7141062B1 (en)	2006-11-28	Longitudinally flexible stent
US7621947B2 (en)	2009-11-24	Longitudinally flexible stent
AU2002304381A1 (en)	2003-05-08	Longitudinally flexible stent
EP1703856A2 (de)	2006-09-27	In längsrichtung flexibler stent
WO2003022172A2 (en)	2003-03-20	Longitudinally flexible stent
US8496699B2 (en)	2013-07-30	Longitudinally flexible stent
AU2002330689A1 (en)	2003-03-24	Longitudinally flexible stent
AU2002304380A1 (en)	2002-12-03	Longitudinally flexible stent
HK1054861A (en)	2003-12-19	Longitudinally flexible stent
CA2590373A1 (en)	2002-11-28	Longitudinally flexible stent
HK1054860A (en)	2003-12-19	Longitudinally flexible stent
HK1054678A (en)	2003-12-12	Longitudinally flexible stent
HK1054677A (en)	2003-12-12	Longitudinally flexible stent
HK1054679A (en)	2003-12-12	Longitudinally flexible stent
HK1054497A (en)	2003-12-05	Longitudinally flexible stent