JP4982045B2 - 解体可能部分を有するステントおよびその形成方法 - Google Patents
解体可能部分を有するステントおよびその形成方法 Download PDFInfo
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- JP4982045B2 JP4982045B2 JP2004506694A JP2004506694A JP4982045B2 JP 4982045 B2 JP4982045 B2 JP 4982045B2 JP 2004506694 A JP2004506694 A JP 2004506694A JP 2004506694 A JP2004506694 A JP 2004506694A JP 4982045 B2 JP4982045 B2 JP 4982045B2
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
-
- 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
- A61F2/07—Stent-grafts
- A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
-
- 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
- A61F2002/9528—Instruments specially adapted for placement or removal of stents or stent-grafts for retrieval of 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/009—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof magnetic
-
- 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
- A61F2230/0017—Angular shapes
- A61F2230/0023—Angular shapes triangular
-
- 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
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0073—Quadric-shaped
- A61F2230/0076—Quadric-shaped ellipsoidal or ovoid
-
- 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
- A61F2250/0071—Additional features; Implant or prostheses properties not otherwise provided for breakable or frangible
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
波状螺旋形に造形されたフィラメントと、ステント表面を成す連続被覆であるポリマー被覆とを含むステントであり、
前記フィラメントが、その周囲を前記ポリマー被覆で囲まれており、
前記ポリマー被覆が、少なくとも1つのシームを含み、
前記少なくとも1つのシームが、前記波状螺旋形に造形されたフィラメントの少なくとも1対の互いに隣接する螺旋状巻線の間にあり、
前記ステントの端部を、該ステントから離れる方向に引っ張った時に、前記シームが分断されるようになっている、中空体であるステント。
中空体であるステントを形成する方法において、
(a)フィラメントを波状螺旋形に造形する段階と、
(b)前記フィラメントを囲み且つステント表面を成す連続被覆であるポリマー被覆を、前記波状螺旋形に造形された前記フィラメントに施し、その際、前記ポリマー被覆が少なくとも1つのシームを含み、該少なくとも1つのシームが、前記波状螺旋形に造形されたフィラメントの少なくとも1対の互いに隣接する螺旋状巻線の間にある構成になされる、前記ポリマー被覆を施す段階とを含むステントの形成方法。
Claims (16)
- 波状螺旋形に造形されたフィラメントと、ステント表面を成す連続被覆であるポリマー被覆とを含むステントであり、
前記フィラメントが、その周囲を前記ポリマー被覆で囲まれており、
前記ポリマー被覆が、少なくとも1つのシームを含み、
前記少なくとも1つのシームが、前記波状螺旋形に造形されたフィラメントの少なくとも1対の互いに隣接する螺旋状巻線の間にあり、
前記ステントの端部を、該ステントから離れる方向に引っ張った時に、前記シームが分断されるようになっている、中空体であるステント。 - 前記フィラメントの端部にフックを有する請求項1に記載されたステント。
- 前記フィラメントの端部に磁化可能部分を有する請求項1に記載されたステント。
- 前記中空体であるステントが円形または三角形の横断面を有する請求項1から請求項3までのいずれか1項に記載されたステント。
- 前記中空体であるステントが二股に分岐している請求項1から請求項4までのいずれか1項に記載されたステント。
- 前記ポリマー被覆のシームが、該シームに沿う目打ちによる前記ポリマー被覆の弱化によって形成されている請求項1に記載されたステント。
- 前記シームが、前記ポリマー被覆を切断し、更に別の外側ポリマー被覆を前記ポリマー被覆の外表面に付与することによって形成されている請求項1に記載されたステント。
- 前記ポリマー被覆は、前記シームの一部の厚さが、前記フィラメントに隣接する部分の厚さよりも小さくなっている請求項1に記載されたステント。
- 前記フィラメントが、その長さ方向に沿って屈曲部を有する請求項1に記載されたステント。
- (a)波状螺旋形に造形されたフィラメントと、ステント表面を成すポリマー被覆とを含むステントであり、
前記フィラメントが、その周囲を前記ポリマー被覆で囲まれており、
前記ポリマー被覆が、少なくとも1つのシームを含み、
前記少なくとも1つのシームが、前記波状螺旋形に造形されたフィラメントの少なくとも1対の互いに隣接する螺旋状巻線の間にあり、
前記ステントの端部を、該ステントから離れる方向に引っ張った時に、前記シームが分断されるようになっている前記ステントと、
(b)前記フィラメントの端部を把持するように構成された把持具を有する取り出し用器具とを含む装置。 - 前記ステントが、前記フィラメントの端部に磁化可能部分を有し、前記把持具が磁化可能部分を含む請求項10に記載された装置。
- 前記ステントが、前記フィラメントの端部にフックを有し、前記把持具がフックを含む請求項10に記載された装置。
- 前記把持具が、前記フィラメントの端部を把持するように構成されたばね付勢クランプを含む請求項10に記載された装置。
- 前記中空体であるステントが円形または三角形の横断面を有する請求項10から請求項13までのいずれか1項に記載された装置。
- 前記中空体であるステントが二股に分岐している請求項10から請求項13までのいずれか1項に記載された装置。
- 中空体であるステントを形成する方法において、
(a)フィラメントを波状螺旋形に造形する段階と、
(b)前記フィラメントを囲み且つステント表面を成す連続被覆であるポリマー被覆を、前記波状螺旋形に造形された前記フィラメントに施し、その際、前記ポリマー被覆が少なくとも1つのシームを含み、該少なくとも1つのシームが、前記波状螺旋形に造形されたフィラメントの少なくとも1対の互いに隣接する螺旋状巻線の間にある構成になされる、前記ポリマー被覆を施す段階とを含むステントの形成方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL149829 | 2002-05-23 | ||
| IL149829A IL149829A (en) | 2002-05-23 | 2002-05-23 | Medical device having an unravelable portion |
| PCT/IL2003/000427 WO2003099166A1 (en) | 2002-05-23 | 2003-05-22 | Medical device having an unravelable portion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005526570A JP2005526570A (ja) | 2005-09-08 |
| JP4982045B2 true JP4982045B2 (ja) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004506694A Expired - Fee Related JP4982045B2 (ja) | 2002-05-23 | 2003-05-22 | 解体可能部分を有するステントおよびその形成方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8696736B2 (ja) |
| EP (1) | EP1509170B1 (ja) |
| JP (1) | JP4982045B2 (ja) |
| AU (1) | AU2003235996A1 (ja) |
| CA (1) | CA2486844C (ja) |
| ES (1) | ES2552477T3 (ja) |
| IL (1) | IL149829A (ja) |
| WO (1) | WO2003099166A1 (ja) |
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| US20100256735A1 (en) * | 2009-04-03 | 2010-10-07 | Board Of Regents, The University Of Texas System | Intraluminal stent with seam |
| EP2519189B1 (en) | 2009-12-28 | 2014-05-07 | Cook Medical Technologies LLC | Endoluminal device with kink-resistant regions |
| ES2566105T3 (es) | 2011-04-04 | 2016-04-11 | Allium Medical Solutions Ltd. | Sistema y método de fabricación de un estent |
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| DE69935716T2 (de) * | 1998-05-05 | 2007-08-16 | Boston Scientific Ltd., St. Michael | Stent mit glatten enden |
| US6224627B1 (en) * | 1998-06-15 | 2001-05-01 | Gore Enterprise Holdings, Inc. | Remotely removable covering and support |
| US5928261A (en) * | 1998-06-29 | 1999-07-27 | Ruiz; Carlos E. | Removable vascular filter, catheter system and methods of use |
| US6350277B1 (en) * | 1999-01-15 | 2002-02-26 | Scimed Life Systems, Inc. | Stents with temporary retaining bands |
| US6364904B1 (en) * | 1999-07-02 | 2002-04-02 | Scimed Life Systems, Inc. | Helically formed stent/graft assembly |
| NL1012527C2 (nl) * | 1999-07-06 | 2001-01-09 | Cordis Europ | Ballonkatheter met scheurlijn. |
| US6338739B1 (en) * | 1999-12-22 | 2002-01-15 | Ethicon, Inc. | Biodegradable stent |
| US6629992B2 (en) * | 2000-08-04 | 2003-10-07 | Advanced Cardiovascular Systems, Inc. | Sheath for self-expanding stent |
| AU2001296716A1 (en) * | 2000-10-13 | 2002-04-22 | Rex Medical, Lp | Covered stents with side branch |
-
2002
- 2002-05-23 IL IL149829A patent/IL149829A/en active IP Right Grant
-
2003
- 2003-05-22 EP EP03723039.8A patent/EP1509170B1/en not_active Expired - Lifetime
- 2003-05-22 AU AU2003235996A patent/AU2003235996A1/en not_active Abandoned
- 2003-05-22 JP JP2004506694A patent/JP4982045B2/ja not_active Expired - Fee Related
- 2003-05-22 ES ES03723039.8T patent/ES2552477T3/es not_active Expired - Lifetime
- 2003-05-22 CA CA2486844A patent/CA2486844C/en not_active Expired - Fee Related
- 2003-05-22 WO PCT/IL2003/000427 patent/WO2003099166A1/en not_active Ceased
- 2003-05-23 US US10/515,057 patent/US8696736B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2486844C (en) | 2012-01-03 |
| ES2552477T3 (es) | 2015-11-30 |
| JP2005526570A (ja) | 2005-09-08 |
| WO2003099166A1 (en) | 2003-12-04 |
| EP1509170B1 (en) | 2015-08-19 |
| EP1509170A1 (en) | 2005-03-02 |
| CA2486844A1 (en) | 2003-12-04 |
| IL149829A (en) | 2012-10-31 |
| US8696736B2 (en) | 2014-04-15 |
| US20050131423A1 (en) | 2005-06-16 |
| IL149829A0 (en) | 2002-11-10 |
| AU2003235996A1 (en) | 2003-12-12 |
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