JP2021137574A - カテーテル近位接合部 - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M25/0905—Guide wires extendable, e.g. mechanisms for extension
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00477—Coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/0084—Material properties low friction
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- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00853—Material properties low friction, hydrophobic and corrosion-resistant fluorocarbon resin coating (ptf, ptfe, polytetrafluoroethylene)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00898—Material properties expandable upon contact with fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00831—Material properties
- A61B2017/00955—Material properties thermoplastic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22001—Angioplasty, e.g. PCTA
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire
- A61B2017/22049—Means for locking the guide wire in the catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09175—Guide wires having specific characteristics at the distal tip
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
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Abstract
Description
(1) カテーテル本体と、カテーテルガイドワイヤと、を連結するための近位接合部であって、
1つ又は2つ以上のスパインと、テーパ状開口部と、長手方向軸と、前記カテーテル本体と共有される内部管腔を画定する複数のリブと、を備える、遠位管状セクションと、
前記1つ又は2つ以上のスパインから前記遠位管状セクションの近位に延在する近位ストラットと、を備え、
前記近位ストラットの少なくとも一部分と前記カテーテルガイドワイヤの一部分とが、重なり合って、ロックゾーンを形成するように構成されており、
前記遠位管状セクションの少なくとも一部分が、ポリマーカバーでコーティングされている、近位接合部。
(2) 前記遠位管状セクションの少なくとも一部分が、前記カテーテル本体の直径よりも大きい直径を有する、実施態様1に記載の近位接合部。
(3) 前記遠位管状セクションが、前記カテーテル本体と一体的に形成されている、実施態様1に記載の近位接合部。
(4) 前記遠位管状セクションが、ハイポ管から切断されている、実施態様1に記載の近位接合部。
(5) 前記テーパ状開口部の外周部が、1つ又は2つ以上の円周方向ノッチを備える、実施態様1に記載の近位接合部。
前記ロックアームが、前記ロックゾーン内で前記カテーテルガイドワイヤ内の1つ又は2つ以上のノッチと係合するように構成されている、実施態様1に記載の近位接合部。
(7) 1つ又は2つ以上のロックピンが、前記ロックゾーン内で前記カテーテルガイドワイヤから径方向に延在しており、
前記ロックピンが、前記ロックゾーン内で前記近位ストラット内の1つ又は2つ以上のポケットと係合するように構成されている、実施態様1に記載の近位接合部。
(8) 前記ロックゾーンの少なくとも一部分が、補強ポリマージャケットによって被覆されている、実施態様1に記載の近位接合部。
(9) 前記補強ポリマージャケットの近位端及び遠位端が、前記近位ストラット及び前記カテーテルガイドワイヤの表面と同一平面になるようにテーパ状である、実施態様8に記載の近位接合部。
(10) カテーテル本体と、カテーテルガイドワイヤと、を接続するための近位接合部であって、
前記カテーテル本体と一体的に形成されており、かつ前記カテーテル本体の最大径方向サイズよりも大きい最大径方向サイズを有する、管状支持構造体と、
前記管状支持構造体の近位に延在しており、かつ前記カテーテルガイドワイヤの遠位部分と嵌合するように構成されている、近位ストラットと、を備え、
補強ポリマースリーブが、前記近位ストラットの長さ及び前記カテーテルガイドワイヤの長さの周りに配設されている、近位接合部。
(12) 前記管状支持構造体の前記1つ又は2つ以上の軸方向スパインのうちの少なくとも1つが、前記近位ストラットと整列している、実施態様11に記載の近位接合部。
(13) 1つ又は2つ以上のロックアームが、前記近位ストラットから横方向に延在しており、前記ロックアームが、前記カテーテルガイドワイヤ内の1つ又は2つ以上のノッチと係合するように構成されている、実施態様10に記載の近位接合部。
(14) カバーが、前記管状支持構造体の少なくとも一部分の周りに配設されている、実施態様10に記載の近位接合部。
(15) 前記カバーが、前記管状支持構造体に接着及び/又は縫合されている、実施態様14に記載の近位接合部。
(17) 管状セクションと、ガイドワイヤと、を備える、血塊回収カテーテルのための近位接合部であって、
テーパ状開口部と、1つ又は2つ以上の軸方向スパインと、中空の内側管腔を画定する複数のループリブと、を備える、遠位管状構造体であって、前記遠位管状構造体が、前記血塊回収カテーテルの前記管状セクションから延在する、遠位管状構造体と、
前記遠位管状構造体の前記1つ又は2つ以上の軸方向スパインのうちの1つの近位に延在しており、かつ前記カテーテルガイドワイヤの遠位部分と機械的ロックを形成するように構成されている、近位ストラットと、を備え、
ポリマージャケットが、前記近位ストラットの長さ及び前記カテーテルガイドワイヤの長さを結合する、近位接合部。
(18) 前記遠位管状構造体の少なくとも一部分が、ヒドロゲルでコーティングされている、実施態様17に記載の近位接合部。
(19) 前記遠位管状構造体の前記テーパ状開口部が、1つ又は2つ以上の長手方向スロットを含む、実施態様17に記載の近位接合部。
(20) 前記遠位管状構造体が、前記カテーテル本体の最大径方向サイズよりも大きい最大径方向サイズを有する、実施態様17に記載の近位接合部。
Claims (20)
- カテーテル本体と、カテーテルガイドワイヤと、を連結するための近位接合部であって、
1つ又は2つ以上のスパインと、テーパ状開口部と、長手方向軸と、前記カテーテル本体と共有される内部管腔を画定する複数のリブと、を備える、遠位管状セクションと、
前記1つ又は2つ以上のスパインから前記遠位管状セクションの近位に延在する近位ストラットと、を備え、
前記近位ストラットの少なくとも一部分と前記カテーテルガイドワイヤの一部分とが、重なり合って、ロックゾーンを形成するように構成されており、
前記遠位管状セクションの少なくとも一部分が、ポリマーカバーでコーティングされている、近位接合部。 - 前記遠位管状セクションの少なくとも一部分が、前記カテーテル本体の直径よりも大きい直径を有する、請求項1に記載の近位接合部。
- 前記遠位管状セクションが、前記カテーテル本体と一体的に形成されている、請求項1に記載の近位接合部。
- 前記遠位管状セクションが、ハイポ管から切断されている、請求項1に記載の近位接合部。
- 前記テーパ状開口部の外周部が、1つ又は2つ以上の円周方向ノッチを備える、請求項1に記載の近位接合部。
- 1つ又は2つ以上のロックアームが、前記ロックゾーン内で前記近位ストラットから横方向に延在しており、
前記ロックアームが、前記ロックゾーン内で前記カテーテルガイドワイヤ内の1つ又は2つ以上のノッチと係合するように構成されている、請求項1に記載の近位接合部。 - 1つ又は2つ以上のロックピンが、前記ロックゾーン内で前記カテーテルガイドワイヤから径方向に延在しており、
前記ロックピンが、前記ロックゾーン内で前記近位ストラット内の1つ又は2つ以上のポケットと係合するように構成されている、請求項1に記載の近位接合部。 - 前記ロックゾーンの少なくとも一部分が、補強ポリマージャケットによって被覆されている、請求項1に記載の近位接合部。
- 前記補強ポリマージャケットの近位端及び遠位端が、前記近位ストラット及び前記カテーテルガイドワイヤの表面と同一平面になるようにテーパ状である、請求項8に記載の近位接合部。
- カテーテル本体と、カテーテルガイドワイヤと、を接続するための近位接合部であって、
前記カテーテル本体と一体的に形成されており、かつ前記カテーテル本体の最大径方向サイズよりも大きい最大径方向サイズを有する、管状支持構造体と、
前記管状支持構造体の近位に延在しており、かつ前記カテーテルガイドワイヤの遠位部分と嵌合するように構成されている、近位ストラットと、を備え、
補強ポリマースリーブが、前記近位ストラットの長さ及び前記カテーテルガイドワイヤの長さの周りに配設されている、近位接合部。 - 前記管状支持構造体が、1つ又は2つ以上の軸方向スパインと、中空の内側管腔を画定する複数のループリブと、を備える、請求項10に記載の近位接合部。
- 前記管状支持構造体の前記1つ又は2つ以上の軸方向スパインのうちの少なくとも1つが、前記近位ストラットと整列している、請求項11に記載の近位接合部。
- 1つ又は2つ以上のロックアームが、前記近位ストラットから横方向に延在しており、前記ロックアームが、前記カテーテルガイドワイヤ内の1つ又は2つ以上のノッチと係合するように構成されている、請求項10に記載の近位接合部。
- カバーが、前記管状支持構造体の少なくとも一部分の周りに配設されている、請求項10に記載の近位接合部。
- 前記カバーが、前記管状支持構造体に接着及び/又は縫合されている、請求項14に記載の近位接合部。
- 前記管状支持構造体の少なくとも一部分が、潤滑性低摩擦コーティングでコーティングされている、請求項10に記載の近位接合部。
- 管状セクションと、ガイドワイヤと、を備える、血塊回収カテーテルのための近位接合部であって、
テーパ状開口部と、1つ又は2つ以上の軸方向スパインと、中空の内側管腔を画定する複数のループリブと、を備える、遠位管状構造体であって、前記遠位管状構造体が、前記血塊回収カテーテルの前記管状セクションから延在する、遠位管状構造体と、
前記遠位管状構造体の前記1つ又は2つ以上の軸方向スパインのうちの1つの近位に延在しており、かつ前記カテーテルガイドワイヤの遠位部分と機械的ロックを形成するように構成されている、近位ストラットと、を備え、
ポリマージャケットが、前記近位ストラットの長さ及び前記カテーテルガイドワイヤの長さを結合する、近位接合部。 - 前記遠位管状構造体の少なくとも一部分が、ヒドロゲルでコーティングされている、請求項17に記載の近位接合部。
- 前記遠位管状構造体の前記テーパ状開口部が、1つ又は2つ以上の長手方向スロットを含む、請求項17に記載の近位接合部。
- 前記遠位管状構造体が、前記カテーテル本体の最大径方向サイズよりも大きい最大径方向サイズを有する、請求項17に記載の近位接合部。
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US16/809,941 US11633198B2 (en) | 2020-03-05 | 2020-03-05 | Catheter proximal joint |
US16/809,941 | 2020-03-05 |
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EP (1) | EP3875047B1 (ja) |
JP (1) | JP2021137574A (ja) |
KR (1) | KR20210113565A (ja) |
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US12285182B2 (en) | 2018-10-10 | 2025-04-29 | Innova Vascular, Inc. | Devices and methods for removing an embolus |
US11633198B2 (en) * | 2020-03-05 | 2023-04-25 | Neuravi Limited | Catheter proximal joint |
US12102782B2 (en) | 2022-01-27 | 2024-10-01 | Contego Medical, Inc. | Thrombectomy and aspiration system and methods of use |
US20230414232A1 (en) * | 2022-06-24 | 2023-12-28 | Neuravi Limited | Catheter tip expandable in compression |
KR102716303B1 (ko) * | 2024-01-26 | 2024-10-15 | 주식회사 엔벤트릭 | 기계적 혈전 제거 장치 |
Citations (4)
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JP2015524737A (ja) * | 2012-08-17 | 2015-08-27 | 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Boston Scientific Scimed,Inc. | ガイドエクステンションカテーテル |
JP2015525636A (ja) * | 2012-07-09 | 2015-09-07 | 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Boston Scientific Scimed,Inc. | 拡張型ガイドエクステンションカテーテル |
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US4351342A (en) | 1981-06-10 | 1982-09-28 | Wiita Bruce E | Balloon catheter |
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