JP6804640B2 - 制御式延伸ステント - Google Patents
制御式延伸ステント Download PDFInfo
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- JP6804640B2 JP6804640B2 JP2019519688A JP2019519688A JP6804640B2 JP 6804640 B2 JP6804640 B2 JP 6804640B2 JP 2019519688 A JP2019519688 A JP 2019519688A JP 2019519688 A JP2019519688 A JP 2019519688A JP 6804640 B2 JP6804640 B2 JP 6804640B2
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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
- A61F2/82—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
- A61F2/82—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
- A61F2/885—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 comprising a coil including a plurality of spiral or helical sections with alternate directions around a central axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
-
- 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
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
- A61F2002/9511—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument the retaining means being filaments or wires
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Urology & Nephrology (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Ophthalmology & Optometry (AREA)
- Otolaryngology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Description
この出願は、全体的にかつ全ての目的に対して引用によって組み込まれている2016年11月4日出願の米国仮特許出願第62/417,484号に対する「35 U.S.C.§119」の下での優先権の利益を主張するものである。
304 コイルの群
308 接触線
Claims (15)
- ステントであって、
コイルの隣接する群として巻かれた複数のフィラメントを含み、
前記コイルの群は、前記複数のフィラメントの各々を含み、
前記隣接する群は、ステントの長さに沿ってステントの長手軸線の周りに内腔を定め、
前記隣接する群は、非延伸状態で隣の隣接する群と接触し、かつ延伸状態で隣の隣接する群から分離される、ステント。 - 前記群は、前記ステントの長さの少なくとも部分に沿って該群間に延びる少なくとも1つの螺旋形の接触線上で互いに連結されている、請求項1に記載のステント。
- 前記少なくとも1つの螺旋形の接触線に沿ってリフロー接合された平滑な外面を更に含む、請求項2に記載のステント。
- 前記フィラメントは、前記群内で互いに分離する、請求項1〜3のいずれか1項に記載のステント。
- ステントの少なくとも一端が、環状テールを有する、請求項1〜4のいずれか1項に記載のステント。
- ステントの遠位端での前記群のある部分が、螺旋円錐形状を形成し、該円錐形状は、ステントの該遠位端に向けて直径が拡がっている、請求項1〜5のいずれか1項に記載のステント。
- 前記非延伸状態での前記隣接する群のある部分が互いに連結され、該隣接する群のある部分は互いに連結されていない、請求項1〜6のいずれか1項に記載のステント。
- 少なくとも前記非延伸状態でステントの長さに沿う溶解性コーティングを更に含み、
前記コーティングは、前記複数のフィラメントの部分の周りに配置される、請求項1〜7のいずれか1項に記載のステント。 - 前記コーティングは、ポリビニルアルコールを含む、請求項8に記載のステント。
- 前記延伸状態と前記非延伸状態との間の長さの差が、約3センチメートルから約10センチメートルの範囲である、請求項1〜9のいずれか1項に記載のステント。
- 隣接する群内のフィラメントの前記コイルのある部分が、入れ子様式で互いに重なっている、請求項1〜10のいずれか1項に記載のステント。
- 前記コイルのある部分が、前記長手軸線に対して垂直な平面に位置する、請求項1〜11のいずれか1項に記載のステント。
- 前記コイルのある部分が、前記長手軸線から10度から90度にわたる角度で平面に位置する、請求項1〜12のいずれか1項に記載のステント。
- ステントを生成する方法であって、
遠位端部分と、近位端部分と、延伸する内腔と、長さとを有するステント本体を定めるために、複数のフィラメントをマンドレルの周りに該複数のフィラメントの各々のコイルを含む隣接する群として巻き付ける段階と、
1又は2以上の隣接する群を前記ステントの前記長さに沿った選択場所で互いに連結する段階と、を含む方法。 - 前記ステント本体の部分に溶解性コーティングを塗布する段階を更に含む、請求項14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662417484P | 2016-11-04 | 2016-11-04 | |
US62/417,484 | 2016-11-04 | ||
PCT/US2017/059868 WO2018085624A1 (en) | 2016-11-04 | 2017-11-03 | Controlled extension stent |
Publications (2)
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JP2019534754A JP2019534754A (ja) | 2019-12-05 |
JP6804640B2 true JP6804640B2 (ja) | 2020-12-23 |
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JP2019519688A Active JP6804640B2 (ja) | 2016-11-04 | 2017-11-03 | 制御式延伸ステント |
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US (2) | US11213414B2 (ja) |
EP (1) | EP3535014A1 (ja) |
JP (1) | JP6804640B2 (ja) |
CN (1) | CN109906100B (ja) |
AU (1) | AU2017353991B2 (ja) |
WO (1) | WO2018085624A1 (ja) |
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WO2017192145A1 (en) * | 2016-05-06 | 2017-11-09 | University Hospitals Health Systems, Inc. | Ureteral stent |
WO2020019310A1 (zh) * | 2018-07-27 | 2020-01-30 | 尚华 | 一种血管内记忆金属穿刺***及其应用方法 |
US11039914B2 (en) | 2018-10-22 | 2021-06-22 | Sevro Technologies Llc | Variable length stent |
EP3714914A1 (en) * | 2019-03-29 | 2020-09-30 | Picosun Oy | Spring loaded medical device |
CN110721391A (zh) * | 2019-09-30 | 2020-01-24 | 深圳泰睿仕医疗科技有限公司 | 一次性使用输尿管导尿支架管 |
CN110811942B (zh) * | 2019-10-28 | 2020-12-22 | 西安交通大学 | 一种螺旋管道弹性生物陶瓷支架及其制备工艺 |
CN113081419B (zh) * | 2021-03-01 | 2022-04-29 | 东华大学 | 一种可显影可回收自膨式输尿管支架管及其制备方法 |
CN113198083B (zh) * | 2021-04-19 | 2023-05-12 | 珠海原妙医学科技股份有限公司 | 一种输尿管支架及制造方法 |
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-
2017
- 2017-11-03 CN CN201780062947.7A patent/CN109906100B/zh active Active
- 2017-11-03 WO PCT/US2017/059868 patent/WO2018085624A1/en unknown
- 2017-11-03 US US15/802,863 patent/US11213414B2/en active Active
- 2017-11-03 EP EP17808652.6A patent/EP3535014A1/en active Pending
- 2017-11-03 JP JP2019519688A patent/JP6804640B2/ja active Active
- 2017-11-03 AU AU2017353991A patent/AU2017353991B2/en active Active
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CN109906100A (zh) | 2019-06-18 |
US20220079785A1 (en) | 2022-03-17 |
CN109906100B (zh) | 2022-08-23 |
US11213414B2 (en) | 2022-01-04 |
WO2018085624A1 (en) | 2018-05-11 |
AU2017353991A1 (en) | 2019-02-28 |
AU2017353991B2 (en) | 2019-10-24 |
EP3535014A1 (en) | 2019-09-11 |
JP2019534754A (ja) | 2019-12-05 |
US20180125684A1 (en) | 2018-05-10 |
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