JP2021519631A - 引込み可能な針と、横方向にオフセットされた付勢要素と、針引込みキャビティとを有するivカテーテル - Google Patents
引込み可能な針と、横方向にオフセットされた付勢要素と、針引込みキャビティとを有するivカテーテル Download PDFInfo
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- 238000003780 insertion Methods 0.000 claims abstract description 49
- 230000037431 insertion Effects 0.000 claims abstract description 49
- 238000001990 intravenous administration Methods 0.000 claims abstract description 18
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 38
- 238000005070 sampling Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 abstract 1
- 210000003462 vein Anatomy 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
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Abstract
Description
引込み可能な針を有する静脈内カテーテルイントロデューサは、これまでにも、例えば、米国特許第5,817,058号、同第5,779,679号、同第5,989,220号、同第6,210,371号、同第6,872,193号、同第7,740,615号、及び同第8,048,031号に開示されている。これらのデバイスは、典型的には、前方に延びる可撓性カテーテルを有するハブを具え、針先及びカテーテルが静脈内へ挿入される際、針先は、前記ハブを通って僅かに突出する。挿入後、針はデバイスの本体の中に引き込まれ、本体がハブから分離されると、可撓性カテーテルは静脈内の適当位置に残る。カテーテル先端からすぐ前方の静脈に手で圧力を加えて血の流れが制限されている間、別の輸液ラインがハブに取り付けられ、該輸液ラインは、カテーテルを通して流体を患者の血管系に送達するのに使用される。
Claims (14)
- 本体と、
前記本体の前部分と横方向にスライド係合するように配置された前部アタッチメントと、
前記前部アタッチメントによって着脱可能に支持されたハブ管アッセンブリと、
前記前部アタッチメントに着座して後方に付勢された針ホルダーアッセンブであって、ベースと、管状の針ホルダーと、前記ベースから前記ハブ管アッセンブリを通って前方に突出する挿入針と、前記管状の針ホルダーから横方向にオフセットされた付勢要素とを含む針ホルダーアッセンブリと、を具える、医療用の静脈内カテーテルイントロデューサであって、
前記本体が、針の引込みが行われる前に、前記挿入針を通る長手方向軸線から横向きにオフセットされた針引込みキャビティを含む、静脈内カテーテルイントロデューサ。 - ベースから前方に突出するばね支持ポストをさらに含む、請求項1に記載の静脈内カテーテルイントロデューサ。
- 付勢要素は圧縮コイルばねである、請求項1に記載の静脈内カテーテルイントロデューサ。
- ばね支持ポストは、管状の針ホルダーに対して略平行に、かつ間隔をあけて配置され、付勢要素は、前記ばね支持ポストにスライド可能に係合する圧縮コイルばねである、請求項2に記載の静脈内カテーテルイントロデューサ。
- 挿入針は、管状の針ホルダーに固定して配置される近位側端部を有する、請求項1に記載の静脈内カテーテルイントロデューサ。
- 圧縮コイルばねは、ばね支持ポストの周囲でベースに当接し、針ホルダーアッセンブリを、本体の前向きの面に対して後方に付勢する、請求項4に記載の静脈内カテーテルイントロデューサ。
- 本体は、針の引込みが行われる前に、挿入針と同一直線上に位置する流体チャンバをさらに含む、請求項1に記載の静脈内カテーテルイントロデューサ。
- 針ホルダーアッセンブリと本体の流体チャンバとの間に、環状の流体シールが配置され、前記本体と前部アタッチメントとの間で流体をシールする、請求項7に記載の静脈内カテーテルイントロデューサ。
- 流体サンプリングツールは、流体チャンバの近位側端部にスライド可能に係合する、請求項7に記載の静脈内カテーテルイントロデューサ。
- 流体サンプリングツールは、ツール本体と、前方に突出するサンプリングチップと、前記サンプリングチップ及び前記流体チャンバと流体連通するように、前記ツール本体の内部に配置された流体サンプルリザーバと、をさらに含む、請求項9に記載の静脈内カテーテルイントロデューサ。
- ツール本体は、流体サンプルリザーバの後方に配置された管状フィルタハウジングを具え、前記フィルタハウジングが、円筒形のボアと、前記円筒形のボアの近位側端部に着座するフィルタとをさらに含む、請求項10に記載の静脈内カテーテルイントロデューサ。
- 選択的に取外し可能で、前部アタッチメントと摩擦的に係合する針キャップをさらに含む、請求項1に記載の静脈内カテーテルイントロデューサ。
- 選択的に取外し可能な針キャップはロッキング部材をさらに含み、前記ロッキング部材は、前記挿入針を血管に挿入する前は、前記本体と前記前部アタッチメントとの間の横方向のスライド移動を防止するよう構成される、請求項11に記載の静脈内カテーテルイントロデューサ。
- ハブ管アッセンブリは、ハブと、前記ハブから前方に突出する可撓性のカニューレとをさらに含む、請求項11に記載の静脈内カテーテルイントロデューサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/940,279 US11141570B2 (en) | 2018-03-29 | 2018-03-29 | IV catheter with retractable needle and laterally offset biasing element and needle retraction cavity |
US15/940,279 | 2018-03-29 | ||
PCT/US2019/024250 WO2019191210A1 (en) | 2018-03-29 | 2019-03-27 | Iv catheter with retractable needle and laterally offset biasing element and needle retraction cavity |
Publications (2)
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JP2021519631A true JP2021519631A (ja) | 2021-08-12 |
JP7331006B2 JP7331006B2 (ja) | 2023-08-22 |
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JP2020552365A Active JP7331006B2 (ja) | 2018-03-29 | 2019-03-27 | 引込み可能な針と、横方向にオフセットされた付勢要素と、針引込みキャビティとを有するivカテーテル |
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Country | Link |
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US (1) | US11141570B2 (ja) |
EP (1) | EP3773209B1 (ja) |
JP (1) | JP7331006B2 (ja) |
KR (1) | KR20200138259A (ja) |
CN (1) | CN110314271B (ja) |
AU (1) | AU2019242755B2 (ja) |
BR (1) | BR112020018742A2 (ja) |
CA (1) | CA3094804A1 (ja) |
ES (1) | ES2942997T3 (ja) |
MX (1) | MX2020010282A (ja) |
TW (1) | TWI798399B (ja) |
WO (1) | WO2019191210A1 (ja) |
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FR3077737B1 (fr) * | 2018-02-12 | 2023-06-16 | Adda Jean Marc | Tete d’injection d’une substance fluide permettant le controle du site d’injection avant injection de la substance fluide et seringue comprenant une telle tete |
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AU2019242755A1 (en) | 2020-09-24 |
ES2942997T3 (es) | 2023-06-08 |
JP7331006B2 (ja) | 2023-08-22 |
CN110314271B (zh) | 2022-08-23 |
US20190298973A1 (en) | 2019-10-03 |
CN110314271A (zh) | 2019-10-11 |
CA3094804A1 (en) | 2019-10-03 |
MX2020010282A (es) | 2020-10-28 |
EP3773209B1 (en) | 2023-03-01 |
EP3773209A4 (en) | 2021-12-15 |
AU2019242755B2 (en) | 2024-05-02 |
US11141570B2 (en) | 2021-10-12 |
KR20200138259A (ko) | 2020-12-09 |
WO2019191210A1 (en) | 2019-10-03 |
TWI798399B (zh) | 2023-04-11 |
TW201941797A (zh) | 2019-11-01 |
BR112020018742A2 (pt) | 2021-01-05 |
EP3773209A1 (en) | 2021-02-17 |
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