JP2021058574A - 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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- 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)
- Materials For Medical Uses (AREA)
- Surgery (AREA)
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Abstract
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 (22)
- 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アプリケータ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。
- 装置を患者の尿道前立腺部内に挿入するステップであって、前記装置が、ステントを備え、前記ステントが、第1の層であって、生体吸収性材料の骨格構造を、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、ステップと、
前記バルーンを拡張して、前記ステントを前記尿道前立腺部内に位置決めするステップと、
前記第2の層を拡張して、第2の部材を前記尿道前立腺部の内部表面に押し付けるステップと、
前記バルーンを折り畳み、前記内部ルーメンを介して前記バルーンを引き込めるステップと、
を含む方法。 - 前記バルーンを拡張するステップが、液体または気体を前記バルーンに注入するステップを含む、請求項18に記載の方法。
- 前記第2の層を拡張するステップが、前記尿道前立腺部を介して排出する液体に前記第2の層をさらすステップを含む、請求項18に記載の方法。
- アプリケータを前記ステントの近位端部に直列に連結するステップをさらに含む、請求項18に記載の方法。
- 前記尿道前立腺部を介して排出する液体に前記第2の層をさらすステップが、少なくとも部分的にシース層を除去して、前記アプリケータを前記ステントの前記近位端部に直列に連結するステップを含む、請求項21に記載の方法。
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US201962912691P | 2019-10-09 | 2019-10-09 | |
US62/912,691 | 2019-10-09 |
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Families Citing this family (5)
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---|---|---|---|---|
EP3551140A4 (en) | 2016-12-09 | 2020-07-08 | Zenflow, Inc. | SYSTEMS, DEVICES AND METHODS FOR THE PRECISE RELEASE OF AN IMPLANT IN THE PROSTATIC urethra |
US11273025B2 (en) * | 2019-11-22 | 2022-03-15 | Pro Verum Limited | Expandable implant delivery device |
US11602621B2 (en) | 2019-11-22 | 2023-03-14 | ProVerum Limited | Device for controllably deploying expandable implants |
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 |
CN115813604A (zh) * | 2021-07-23 | 2023-03-21 | 上海火点医疗器械有限公司 | 输尿管支架 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6629981B2 (en) * | 2000-07-06 | 2003-10-07 | Endocare, Inc. | Stent delivery system |
US6893430B2 (en) * | 1998-02-04 | 2005-05-17 | Wit Ip Corporation | Urethral catheter and guide |
US6440127B2 (en) * | 1998-02-11 | 2002-08-27 | Cosman Company, Inc. | Method for performing intraurethral radio-frequency urethral enlargement |
US6758857B2 (en) * | 2000-11-13 | 2004-07-06 | Acmi Corporation | Treatment catheters with thermally insulated regions |
US6796960B2 (en) * | 2001-05-04 | 2004-09-28 | Wit Ip Corporation | Low thermal resistance elastic sleeves for medical device balloons |
US6685745B2 (en) * | 2001-05-15 | 2004-02-03 | Scimed Life Systems, Inc. | Delivering an agent to a patient's body |
WO2003011114A2 (en) * | 2001-07-27 | 2003-02-13 | Wit Ip Corporation | Methods for treating prostatitis |
US7130697B2 (en) * | 2002-08-13 | 2006-10-31 | Minnesota Medical Physics Llc | Apparatus and method for the treatment of benign prostatic hyperplasia |
US7261734B2 (en) * | 2002-04-23 | 2007-08-28 | Boston Scientific Scimed, Inc. | Resorption-controllable medical implants |
US6929663B2 (en) * | 2003-03-26 | 2005-08-16 | Boston Scientific Scimed, Inc. | Longitudinally expanding medical device |
US20040230188A1 (en) * | 2003-05-12 | 2004-11-18 | Iulian Cioanta | Treatment catheters with thermally insulated regions |
US20040230316A1 (en) * | 2003-05-12 | 2004-11-18 | Iulian Cioanta | Method for treating the prostate and inhibiting obstruction of the prostatic urethra using biodegradable stents |
DE10327231B3 (de) * | 2003-06-13 | 2005-02-17 | Universitätsklinikum Freiburg | Saugstent |
ES2427642T3 (es) * | 2004-07-09 | 2013-10-31 | Innovational Holdings, Llc | Sistema de catéter de globo para fijar una endoprótesis |
WO2006054107A2 (en) * | 2004-11-19 | 2006-05-26 | Medtronic Inc. | Method and apparatus for treatment of cardiac valves |
US9034001B2 (en) * | 2005-05-20 | 2015-05-19 | Neotract, Inc. | Slotted anchor device |
WO2007048437A1 (en) * | 2005-10-29 | 2007-05-03 | Pnn Medical Sa | Stent with anchoring portion |
EP2023859B1 (en) * | 2006-04-28 | 2012-12-26 | Medtronic, Inc. | Apparatus for cardiac valve replacement |
EP4238519A3 (en) * | 2007-01-02 | 2023-11-29 | AquaBeam LLC | Minimally invasive methods and devices for the treatment of prostate diseases |
PT2352453T (pt) * | 2008-11-06 | 2018-05-29 | Nxthera Inc | Sistemas e métodos para tratamento do tecido prostático |
US8231980B2 (en) * | 2008-12-03 | 2012-07-31 | Boston Scientific Scimed, Inc. | Medical implants including iridium oxide |
US20100298948A1 (en) * | 2009-04-27 | 2010-11-25 | Michael Hoey | Systems and Methods for Prostate Treatment |
EP2627395B1 (en) * | 2010-10-11 | 2017-12-06 | Peter S. Dardi | Hydrogel jacketed stents |
WO2012131671A2 (en) * | 2011-03-28 | 2012-10-04 | Technion Research & Development Foundation Ltd. | Stent for restenosis prevention |
US10561509B2 (en) * | 2013-03-13 | 2020-02-18 | DePuy Synthes Products, Inc. | Braided stent with expansion ring and method of delivery |
AU2014228247B2 (en) * | 2013-03-15 | 2016-02-25 | Boston Scientific Scimed, Inc. | Anti-migration micropatterned stent coating |
AU2014257114A1 (en) * | 2013-04-23 | 2015-12-10 | Medical Ingenuities, LLC | Interconnection between selectively-expandable and self-expandable sections of an ostial stent |
US11357651B2 (en) * | 2015-03-19 | 2022-06-14 | Nanyang Technological University | Stent assembly and method of preparing the stent assembly |
US20170042551A1 (en) * | 2015-08-13 | 2017-02-16 | The Brain Protection Company PTY LTD | Implantable damping devices for treating dementia and associated systems and methods of use |
US10406011B2 (en) * | 2016-04-28 | 2019-09-10 | Medtronic Vascular, Inc. | Implantable medical device delivery system |
KR20190067185A (ko) * | 2016-09-26 | 2019-06-14 | 도야 메디컬 리미티드 | 스텐트 및 스텐팅 방법 |
US11135050B2 (en) * | 2016-10-04 | 2021-10-05 | Boston Scientific Scimed, Inc. | Stent including anchoring members |
US20180344991A1 (en) * | 2017-06-01 | 2018-12-06 | Cook Medical Technologies Llc | Balloon catheter device for in vivo polymerization of bioresorbable scaffolds |
US10828184B1 (en) * | 2017-10-13 | 2020-11-10 | Efemoral Medical Llc | Absorbable intravascular devices that provide a decrease in radial rigidity of the vessel over time |
-
2020
- 2020-08-07 CN CN202010788273.2A patent/CN112641544B/zh active Active
- 2020-09-10 JP JP2020151925A patent/JP7036518B2/ja active Active
- 2020-09-21 EP EP20197288.2A patent/EP3804664A1/en active Pending
- 2020-10-08 US US17/066,009 patent/US20210106730A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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JP7036518B2 (ja) | 2022-03-15 |
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US20210106730A1 (en) | 2021-04-15 |
CN112641544A (zh) | 2021-04-13 |
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