JP7004487B1 - 医療装置をカテーテル内に装填する装置と方法 - Google Patents
医療装置をカテーテル内に装填する装置と方法 Download PDFInfo
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- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus 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
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M2039/062—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof used with a catheter
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- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
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Abstract
Description
本発明の医療装置は、拡張が不可能な非拡張部分と拡張が可能な拡張部分とを有し、前記拡張部分は、拡張した状態の拡張構成と折り畳まれた状態の折り畳み構成を採る。前記装填装置は、前記拡張部分を受け入れる管腔を有する本体を有する。前記管腔は、前記拡張部分と少なくとも同じ長さと、前記折り畳み構成時の医療装置の直径よりも大きな直径を有する。
前記本体は、開閉可能な第1の部分と第2の部分とを有し、前記第1の部分と第2の部分が開いた構成で管腔が露出し、閉じた構成で管腔を包囲する。
前記第1の部分と第2の部分はそれぞれ内面を有し、前記第1の部分の内面は前記管腔の一部分を規定する第1の溝を有する。前記第2の部分の内面は前記管腔の残余部分を規定する第2の溝を有する。
前記本体は、遠位先端部分を有する。前記遠位先端部分は、カテーテルの止血弁と結合する大きさと形状を有する。その結果、前記遠位先端部分が前記カテーテルの止血弁と結合した時は、前管腔は、前記カテーテルの内腔と整列し前記遠位先端部分を貫通して伸びる。
本発明の医療装置の一実施例によれば、前記第1の溝が前記管腔の約4分の3の溝を規定し、前記第2の溝が前記管腔の残り約4分の1の溝を規定する。
本発明の医療装置の一実施例によれば、前記第1の部分と第2の部分とを連結するヒンジを更に有する。
本発明の医療装置の一実施例によれば、前記第1のタブから約30°から120°の間に配置された第3のタブと、前記第2のタブから約30°から120°の間に配置された第4のタブとをさらに有する。
ステップ(A)では、医療装置の非拡張部分を装填用本体の第1の部分の第1の溝に配置する。装填用本体は、開放構成にあり、装填用本体の第1 の部分の第1の溝と第2の部分の第2の溝を露出する。ステップ(B)では、医療装置の非拡張部分の周りの装填用本体を閉じる。かくして第2の溝が第1の溝と整列し、医療装置の非拡張部分を囲む管腔を形成する。その間、医療装置の拡張部分は装填用本体の外側に留まっている。ステップ(C)では、医療装置の拡張部分を閉じた装填用本体の内腔に引っ込める。その結果、拡張部分が内腔内で折り畳み構成を採る。ステップ(D)では、装填用本体の遠位端をカテーテルの近位端にある止血弁に当てて配置する。ステップ(E)では、医療装置の拡張可能な部分を止血弁を越えてカテーテル内に前進させる。ステップ(F)では、止血弁から装填用本体を引っ込める。ステップ(G)では、装填用本体を開く。ステップ(H)では、装填用本体を医療装置から取り外す。
次に、図5E、図5Fに示すように、吸引カテーテル2が近位方向に引き込まれると、拡張可能な漏斗3は、装填装置500の遠位先端部分520に向かって引き込まれ、最終的に閉鎖体502の管腔504内に引き込まれる。漏斗3が装填装置の管腔504に引き込まれると、漏斗3は、管腔504内で折り畳まれ折り畳み構成になる。 吸引カテーテル2は、漏斗3が装填装置500の管腔504によって完全に引き込まれるまで、近位に引っ込められる。漏斗3は、その拡張構成時よりも折り畳み構成時の方が長い。従って、管腔504は、折り畳まれた漏斗3の長さに対応するのに十分な長さを有する。
Claims (15)
- 医療装置をカテーテル内に装填する装填装置(500)であって、
前記医療装置は、拡張不可能な非拡張部分と拡張可能な拡張部分(3)とを有し、前記拡張部分(3)は、拡張した状態の拡張構成と折り畳まれた状態の折り畳み構成を採り、前記装填装置(500)は、前記拡張部分(3)を受け入れる管腔(504)を有する本体(502)を有し、前記管腔(504)は、前記折り畳み構成時の前記拡張部分(3)と少なくとも同じ長さと、前記折り畳み構成時の医療装置の直径よりも大きな直径を有し、
前記本体(502)は、開閉可能な第1の部分(506)と第2の部分(508)とを有し、前記第1の部分(506)と第2の部分(508)が開いた構成では、管腔(504)が露出し、閉じた構成では管腔(504)は閉じられ、
前記第1の部分(506)は内面(510)を有し、前記第2の部分(508)は内面(512)を有し、前記第1の部分(506)の内面(510)は前記管腔(504)の一部分を規定する第1の溝(514)を有し、前記第2の部分(508)の内面(512)は前記管腔(504)の残余部分を規定する第2の溝(516)を有し、
前記本体(502)は、遠位先端部分(520)を有し、前記遠位先端部分(520)は、カテーテルの止血弁(4)と結合する大きさと形状を有し、その結果、前記遠位先端部分(520)が前記カテーテルの止血弁(4)と結合した時には、前記管腔(504)は前記カテーテルの内腔と整列し、前記管腔(504)は前記遠位先端部分(520)を貫通して伸びる
ことを特徴とする医療装置をカテーテル内に装填する装填装置。 - 前記遠位先端部分(520)は、開閉可能な前記第1の部分(506)と前記第2の部分(508)から形成され、前記第1の部分(506)と第2の部分(508)が閉じた構成では、前記遠位先端部分(520)は、円筒形壁部分(522)と中央管状部材(524)を含み、前記管腔(504)は前記中央管状部材(524)を貫通して延びる
ことを特徴とする請求項1記載の装填装置。 - 前記管腔(504)は一定の直径を有する、
ことを特徴とする請求項1又は2記載の装填装置。 - 前記遠位先端部分(520)は、前記止血弁(4)内を少なくとも部分的に延びる、
ことを特徴とする請求項1-3のいずれかに記載の装填装置。 - 前記遠位先端部分(520)は、前記止血弁(4)のシーリング機構を越えて延びる、
ことを特徴とする請求項1-3のいずれかに記載の装填装置。 - 前記管腔(504)は、真っ直ぐである
ことを特徴とする請求項1-5のいずれかに記載の装填装置。 - 前記第1の溝(514)が前記管腔(504)の半分の溝を規定し、
前記第2の溝(516)が前記管腔(504)の残り半分の溝を規定する、
ことを特徴とする請求項1-6のいずれかに記載の装填装置。 - 前記第1の溝(514)が前記管腔(504)の4分の3の溝(614)を規定し、
前記第2の溝(516)が前記管腔(504)の4分の1の溝(616)を規定する、
ことを特徴とする請求項1-6のいずれかに記載の装填装置。 - 複数の整合特徴部(528)と複数の整合特徴収納部(532)とを更に有し、
前記整合特徴部(528)は、前記第1の溝(514)の周りに配置され、前記第1の部分(506)の内面から延び、
前記整合特徴収納部(532)は、前記第2の部分(508)の内面上に形成され、前記第1の部分(506)の内面が前記第2の部分(508)の内面に当たった時に、前記整合特徴部(528)を収納し、
前記整合特徴部(528)は、傾斜面(530)を有し、医療装置の非拡張部分を第1の溝内(514)に導くように構成されている
ことを特徴とする請求項1-8のいずれかに記載の装填装置。 - 複数の整合特徴部(528)と複数の整合特徴収納部(532)とを更に有し、
前記整合特徴部(528)は、前記第2の溝(516)の周りに配置され、前記第2の部分(508)の内面から延び、
前記整合特徴収納部(532)は、前記第1の部分(506)の内面上に形成され、前記第2の部分(508)の内面が前記第1の部分(506)の内面に当たった時に、前記整合特徴部(528)を収納し、
前記整合特徴部(528)は、傾斜面(530)を有し、医療装置の非拡張部分を第2の溝内(516)に導くように構成されている
ことを特徴とする請求項9記載の装填装置。 - 整合特徴部の傾斜面(530)は、前記第1の溝(514)に向かって傾斜している
ことを特徴とする請求項9記載の装填装置。 - 前記本体(502)は、半透明又は透明な材料製である
ことを特徴とする請求項1-11のいずれかに記載の装填装置。 - 前記第1の部分(506)と第2の部分(508)とを連結するヒンジ(509)を更に有する、
ことを特徴とする請求項1-12のいずれかに記載の装填装置。 - 前記第1の部分(506)は、第1の部分(506)から延びる第1のタブ(534)を有し、
前記第2の部分(508)は、第2の部分(508)から延びる第2のタブを有し、
前記第1の部分(506)と第2の部分(508)とが閉じた構成の時は、記第1のタブと第2のタブは、互いに近くにくる
ことを特徴とする請求項1-13のいずれかに記載の装填装置。 - 前記第1のタブから30°から120°の間に配置された第3のタブと、
前記第2のタブから30°から120°の間に配置された第4のタブと
をさらに有する、
ことを特徴とする請求項14記載の装填装置。
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EP19382015.6 | 2019-01-11 | ||
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PCT/EP2019/087001 WO2020144071A1 (en) | 2019-01-11 | 2019-12-24 | Loading device for loading a medical device into a catheter |
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US20220079609A1 (en) | 2022-03-17 |
CN113795204A (zh) | 2021-12-14 |
EP3908212B1 (en) | 2023-03-22 |
JP2022514106A (ja) | 2022-02-09 |
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US11534191B2 (en) | 2022-12-27 |
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