JP2017530786A - ドレナージ特徴部を有する膵臓ステント - Google Patents
ドレナージ特徴部を有する膵臓ステント Download PDFInfo
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- 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
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- 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
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- 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
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- 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
- A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/041—Bile ducts
-
- 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
- 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
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
- A61F2240/005—Templates
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- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Otolaryngology (AREA)
- Ophthalmology & Optometry (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgery (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
ある例では、膵臓ステント等の医療用ステントは、送達のための圧縮形態と、展開された後の拡張形態との間で変換可能な本体を含み、本体は、ステントルーメンを画定する内側面、および外側面を含む。複数のドレナージ特徴部が、本体の外側面内に形成され、複数のドレナージ特徴部は、患者の身体構造(例えば膵臓)の側枝を塞ぐことなく、身体構造(例えば膵臓)内への医療用ステントの配置を可能にする。
代替的にまたは加えて、医療用ステントは、拡張可能な金属骨格にわたる高分子層をさらに含み、拡張可能な金属骨格および高分子層は、組み合わせて、圧縮形態と拡張形態との間で変換可能である。
代替的にまたは加えて、編まれた金属構造はニチノールを含む。
代替的にまたは加えて、また圧縮形態では、医療用ステントは、少なくとも約2ミリメートルの直径を有する。
別の例では、膵臓ステント等の医療用ステントは、送達のための圧縮形態と、展開された後の拡張形態との間で変換可能な、拡張可能な金属支持構造を含む。高分子カバーが、拡張可能な金属支持構造にわたって配置され、高分子カバーは、拡張可能な金属支持構造とともに拡張可能である。複数のドレナージ特徴部が医療用ステントに形成され、複数のドレナージ特徴部は、患者の身体構造(例えば膵臓)の側枝を塞ぐことなく、身体構造(例えば膵臓)内への医療用ステントの配置を可能にする。
代替的にまたは加えて、高分子カバーは、複数のドレナージ特徴部を形成するように、隣り合う巻回の少なくともいくつかにおける高低のパターンに適合する。
代替的にまたは加えて、高低のパターンは、マンドレルの外側面に形成される高低のパターンを有するマンドレル上に編まれる金属ステントを編むことによって形成される。
別の例では、ドレナージ特徴部を含む拡張可能な医療用ステントを製造する方法が、マンドレルの外側面内に形成される高低のパターンを有するマンドレルを使用して、少なくともいくつかの隣接する巻回において高低のパターンを有する拡張可能な金属支持構造を編むことを含む。拡張可能な金属支持構造はマンドレルから取り外される。高分子層が、拡張可能な金属支持構造にわたって形成され、ドレナージ特徴部を形成するように拡張可能な金属支持構造の高低のパターンに合致する。
代替的にまたは加えて、拡張可能な金属支持構造にわたって高分子層を形成することは、拡張可能な金属支持構造にわたって高分子スリーブを伸張させることを含む。
いくつかの例示的な実施形態の上記の概要は、それぞれの開示される実施形態または本開示の態様の全ての実施態様を記載する意図はない。
特定の用語の定義が、以下で提供され、特許請求の範囲または本明細書における他の箇所で異なる定義が与えられない限り、適用されるものとする。
種々の構成要素、特徴および/または仕様に関連するいくつかの好適な寸法、範囲および/または値が開示されるが、本開示によって駆り立てられる当業者は、所望の寸法、範囲および/または値が、明示的に開示されるものから逸脱することができることを理解するであろう。
Claims (15)
- 医療用ステントであって、
送達のための圧縮形態と展開された後の拡張形態との間で変換可能な本体であって、ステントルーメンを画定する内側面、および外側面を含む、本体と、
前記本体の前記外側面内に形成される複数のドレナージ特徴部であって、患者の身体構造の側枝を塞ぐことなく、前記身体構造内への該医療用ステントの配置を可能にする、複数のドレナージ特徴部と、
を備える、医療用ステント。 - 前記本体は拡張可能な金属骨格を含む、請求項1に記載の医療用ステント。
- 前記拡張可能な金属骨格にわたる高分子層をさらに備え、前記拡張可能な金属骨格および前記高分子層は、組み合わせて、前記圧縮形態と前記拡張形態との間で変換可能である、請求項2に記載の医療用ステント。
- 前記拡張可能な金属骨格は、編まれた金属構造を含む、請求項2または3に記載の医療用ステント。
- 前記編まれた金属構造はニチノールを含む、請求項4に記載の医療用ステント。
- 前記圧縮形態では、前記医療用ステントは、少なくとも2ミリメートルの直径を有する、請求項1〜5のいずれか一項に記載の医療用ステント。
- 前記拡張形態では、前記医療用ステントは、約4ミリメートル〜約24ミリメートルの範囲の直径を有する、請求項1〜6のいずれか一項に記載の医療用ステント。
- 前記拡張可能な金属骨格は、少なくともいくつかの隣り合う巻回において高低のパターンを有して形成される編まれた金属ステントを含む、請求項2〜7のいずれか一項に記載の医療用ステント。
- 前記高分子カバーは、前記複数のドレナージ特徴部を形成するように、前記隣り合う巻回の少なくともいくつかにおける前記高低のパターンに合致する、請求項8に記載の医療用ステント。
- 前記複数のドレナージ特徴部のうちの少なくともいくつかは、前記医療用ステントの周りにらせん状に延びる、請求項1〜9のいずれか一項に記載の医療用ステント。
- ドレナージ特徴部を含む拡張可能な医療用ステントを製造する方法であって、
マンドレルの外側面内に形成される高低のパターンを有する該マンドレルを使用して、少なくともいくつかの隣接する巻回において高低のパターンを有する拡張可能な金属支持構造を編組することと、
前記拡張可能な金属支持構造を前記マンドレルから取り外すことと、
前記拡張可能な金属支持構造にわたって高分子層を形成することと、
を含み、
前記高分子層は、前記ドレナージ特徴部を形成するように前記拡張可能な金属支持構造の前記高低のパターンに合致する、方法。 - 高低のパターンを有するマンドレルを使用することは、第1の方向にらせん状に延びる第1の複数のチャネル、および、第2の方向にらせん状に延びる第2の複数のチャネルを含むチャネルのへリングボーンパターンを有するマンドレルを使用することを含む、請求項11に記載の方法。
- 前記拡張可能な金属支持構造を前記マンドレルから取り外すことは、圧縮軸方向力を前記拡張可能な金属支持構造に加えてその長さを縮め、したがってその直径を増大させることを含む、請求項11または12に記載の方法。
- 前記拡張可能な金属支持構造は、形状記憶材料から形成されるワイヤーから編まれ、前記拡張可能な金属支持構造を前記マンドレルから取り外すことは、その形状記憶特性を使用してその直径を増大させることを含む、請求項11〜13のいずれか一項に記載の方法。
- 前記拡張可能な金属支持構造にわたって高分子層を形成することは、前記拡張可能な金属支持構造にわたって高分子スリーブを伸張させることを含む、請求項11〜14のいずれか一項に記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2019227813A JP6899425B2 (ja) | 2014-10-09 | 2019-12-18 | ドレナージ特徴部を有する膵臓ステント |
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| US201462061782P | 2014-10-09 | 2014-10-09 | |
| US62/061,782 | 2014-10-09 | ||
| PCT/US2015/054601 WO2016057740A1 (en) | 2014-10-09 | 2015-10-08 | Pancreatic stent with drainage feature |
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| JP6636511B2 JP6636511B2 (ja) | 2020-01-29 |
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| JP2023512302A (ja) * | 2020-02-03 | 2023-03-24 | ボストン サイエンティフィック サイムド,インコーポレイテッド | ステント、マンドレル、および移動防止特徴を有するステントを形成するための方法 |
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| US11896506B2 (en) | 2017-07-27 | 2024-02-13 | Boston Scientific Scimed, Inc. | Adjustable mandrel for forming stent with anti-migration features |
| CN109124714B (zh) * | 2018-10-31 | 2024-12-06 | 王铁功 | 扩张式胰肠吻合支撑管 |
| CN113271897B (zh) * | 2019-01-07 | 2024-08-02 | 波士顿科学国际有限公司 | 具有抗迁移功能的支架 |
| KR102046964B1 (ko) * | 2019-01-29 | 2019-11-21 | 주식회사 코스와이어 | 스텐트 제조 방법 |
| CN110037837B (zh) * | 2019-04-03 | 2021-10-01 | 中山大学附属第三医院 | 一种可变管径的自适应胰管支架管 |
| KR102865754B1 (ko) | 2020-09-29 | 2025-09-26 | 보스톤 싸이엔티픽 싸이메드 인코포레이티드 | 이동-방지 특징부를 가진 스텐트 |
| CN112274761B (zh) * | 2020-10-09 | 2022-04-01 | 苏州法兰克曼医疗器械有限公司 | 一种腹腔镜外科工具用胰管内引流支架 |
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| CN114305791B (zh) * | 2022-01-07 | 2022-09-23 | 北京阿迈特医疗器械有限公司 | 一种结合内窥镜使用的可降解胆胰管支架 |
| KR20250057910A (ko) * | 2022-09-12 | 2025-04-29 | 보스톤 싸이엔티픽 싸이메드 인코포레이티드 | 배액 강화 특징을 가진 자체 확장 조직 내강 스텐트 |
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| JP7581357B2 (ja) | 2020-02-03 | 2024-11-12 | ボストン サイエンティフィック サイムド,インコーポレイテッド | ステント |
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| US10500035B2 (en) | 2019-12-10 |
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| CA2961664A1 (en) | 2016-04-14 |
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| EP3536280A1 (en) | 2019-09-11 |
| US20250090300A1 (en) | 2025-03-20 |
| KR20170065650A (ko) | 2017-06-13 |
| US20160100930A1 (en) | 2016-04-14 |
| US11376111B2 (en) | 2022-07-05 |
| US12178694B2 (en) | 2024-12-31 |
| JP6899425B2 (ja) | 2021-07-07 |
| JP2020049257A (ja) | 2020-04-02 |
| CN106794061B (zh) | 2019-11-22 |
| US20220313417A1 (en) | 2022-10-06 |
| US9839508B2 (en) | 2017-12-12 |
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