JP7036518B2 - 泌尿器キトサンステントおよび送達システム - Google Patents
泌尿器キトサンステントおよび送達システム Download PDFInfo
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- JP7036518B2 JP7036518B2 JP2020151925A JP2020151925A JP7036518B2 JP 7036518 B2 JP7036518 B2 JP 7036518B2 JP 2020151925 A JP2020151925 A JP 2020151925A JP 2020151925 A JP2020151925 A JP 2020151925A JP 7036518 B2 JP7036518 B2 JP 7036518B2
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- 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
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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
- A61F2/94—Stents retaining their form, i.e. not being deformable, after placement in the predetermined place
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- A—HUMAN NECESSITIES
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/9522—Means for mounting a stent or stent-graft onto or into a placement instrument
- A61F2/9525—Means for mounting a stent or stent-graft onto or into a placement instrument using a funnel
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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
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- A—HUMAN NECESSITIES
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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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/047—Urethrae
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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
- A61F2002/821—Ostial stents
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- A—HUMAN NECESSITIES
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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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
- A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
-
- 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
- A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
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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
- 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
- A61F2210/0076—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof multilayered, e.g. laminated structures
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/001—Figure-8-shaped, e.g. hourglass-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
- A61F2250/0039—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 differing in diameter
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgery (AREA)
- Epidemiology (AREA)
- Materials For Medical Uses (AREA)
Description
12 第1の部材
14 第2の部材
16 内部ルーメン
18 第1の部材の近位端部
20 第1の部材の遠位端部
22 開いた先端部
26 第2の部材の遠位端部
38 遠位セクション
40 中間セクション
42 近位セクション
50 アプリケータ
52 本体
60 バルーン
62 管
70 システム
72 シース
74 排出ルーメン
75 灌注ルーメン
80 第1の層
82 第2の層
84 第3の層
C 直径
P 前立腺
Claims (17)
- 第1の層であって、骨格構造を、前記骨格構造の長さに沿って内部ルーメンを形成して備え、生体吸収性材料を備える、第1の層と、
前記第1の層の上の第2の層であって、拡張するように構成された生体吸収性材料を備えており、前記第1の層の端部が前記第2の層の端部を越えて延びるように、前記第1の層の上に位置決めされている、第2の層と、
前記第1の層の前記内部ルーメンの遠位端部内に位置付けられた拡張可能なバルーンと、
を備える装置。 - 前記バルーンが、前記内部ルーメンを介して拡張可能であり、前記内部ルーメンを介して折畳み可能であり、前記第1の層の遠位端部から前記内部ルーメンを介して引込み可能である、請求項1に記載の装置。
- 前記装置の近位端部に直列に連結されたアプリケータをさらに備え、前記アプリケータは、流体が患者に送達され得る灌注ルーメン、および前記流体が前記患者から除去され得る排出ルーメンを少なくとも有するマルチルーメン管を備える、請求項1に記載の装置。
- 前記アプリケータが、前記アプリケータの遠位端部および前記装置の前記近位端部における圧縮カバー材を使用して前記装置の前記近位端部に直列に連結されている、請求項3に記載の装置。
- 前記圧縮カバー材が、前記アプリケータの前記遠位端部を前記装置の前記近位端部に連結する第1のシース層を有するシースを備える、請求項4に記載の装置。
- 前記シースが、前記第1のシース層の上に、前記第2の層の遠位端部から前記アプリケータの前記近位端部までカバーする第2のシース層をさらに備え、それにより、前記第2のシース層を除去すると、前記第2の層を液体にさらすことが可能になる、請求項5に記載の装置。
- 前記シースが、前記第2のシース層の上に、前記第1の層の遠位端部から前記アプリケータの前記近位端部までカバーする第3のシース層をさらに備える、請求項6に記載の装置。
- 前記第1の層の遠位端部または前記第1の層の近位端部のうちの少なくとも一方が、拡張して、じょうご形状になるように構成されている、請求項1に記載の装置。
- 前記第2の層の前記生体吸収性材料がキトサンである、請求項1に記載の装置。
- 骨格構造であって、前記骨格構造の長さに沿って内部ルーメンを形成し、実質的に管状形状をしており、前記管状形状を長手方向に貫通して延びる軸から半径方向に拡張可能である、骨格構造と、
前記骨格構造上の、前記骨格構造の長さに沿って前記骨格構造の一部分をカバーする拡張可能な層であって、それにより、前記骨格構造の遠位端部が前記拡張可能な層の遠位端部を越えて延び、かつ前記骨格構造の近位端部が前記拡張可能な層の近位端部を越えて延び、第2の層の材料が、拡張するように構成されている、拡張可能な層と、
前記骨格構造の前記遠位端部内に位置付けられた拡張可能なバルーンと、
を備える装置。 - 前記バルーンが、前記内部ルーメンを介して出し入れ可能である、請求項10に記載の装置。
- 前記バルーンが、液体または気体の注入によって前記内部ルーメンを介して拡張可能である、請求項11に記載の装置。
- 前記バルーンが、前記内部ルーメンを介して拡張可能であり、前記内部ルーメンを介して折畳み可能であり、引込み可能である、請求項11に記載の装置。
- 流体が前記装置を介して患者に送達され得る灌注ルーメン、および前記流体が前記装置を介して前記患者から除去され得る排出ルーメンを少なくとも有するマルチルーメン管と、
前記マルチルーメン管を前記装置の前記近位端部に直列に連結する圧縮カバー材と、
を備えるアプリケータをさらに備える、請求項10に記載の装置。 - 前記圧縮カバー材が、前記骨格構造の近位端部を前記アプリケータに連結する第1のシース層、前記拡張可能な層をカバーする第2のシース層、および前記骨格構造の前記遠位端部から前記マルチルーメン管までカバーする第3のシース層を備える、請求項14に記載の装置。
- 前記骨格構造の材料および前記拡張可能な層の前記材料がそれぞれ、生体吸収性材料を含む、請求項10に記載の装置。
- 少なくとも前記拡張可能な層の前記生体吸収性材料が、キトサンを含む、請求項16に記載の装置。
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US201962912691P | 2019-10-09 | 2019-10-09 | |
US62/912,691 | 2019-10-09 |
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JP7036518B2 true JP7036518B2 (ja) | 2022-03-15 |
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US (1) | US20210106730A1 (ja) |
EP (1) | EP3804664A1 (ja) |
JP (1) | JP7036518B2 (ja) |
CN (1) | CN112641544A (ja) |
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CN110267627B (zh) | 2016-12-09 | 2023-07-11 | 真复灵公司 | 用于在前列腺尿道中准确展开植入物的系统、装置和方法 |
US11602621B2 (en) | 2019-11-22 | 2023-03-14 | ProVerum Limited | Device for controllably deploying expandable implants |
US11273025B2 (en) * | 2019-11-22 | 2022-03-15 | Pro Verum Limited | Expandable implant delivery device |
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 |
CN116019602A (zh) * | 2021-07-23 | 2023-04-28 | 上海火点医疗器械有限公司 | 输尿管支架 |
Citations (4)
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JP2005511199A (ja) | 2001-12-10 | 2005-04-28 | ダブリュ アイ ティー アイ ピー コーポレーション | 治療用カテーテルおよび治療後ステントのコンビネーション |
WO2012011261A1 (ja) | 2010-07-20 | 2012-01-26 | 株式会社 京都医療設計 | ステント装置 |
JP2013223663A (ja) | 2012-04-23 | 2013-10-31 | Terumo Corp | バルーンカテーテル用保護スリーブ、バルーンカテーテルシステムおよびステントデリバリーシステム |
WO2019142077A1 (en) | 2018-01-16 | 2019-07-25 | Gyrus Acmi, Inc. | Urological stent |
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Patent Citations (4)
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JP2005511199A (ja) | 2001-12-10 | 2005-04-28 | ダブリュ アイ ティー アイ ピー コーポレーション | 治療用カテーテルおよび治療後ステントのコンビネーション |
WO2012011261A1 (ja) | 2010-07-20 | 2012-01-26 | 株式会社 京都医療設計 | ステント装置 |
JP2013223663A (ja) | 2012-04-23 | 2013-10-31 | Terumo Corp | バルーンカテーテル用保護スリーブ、バルーンカテーテルシステムおよびステントデリバリーシステム |
WO2019142077A1 (en) | 2018-01-16 | 2019-07-25 | Gyrus Acmi, Inc. | Urological stent |
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