JP2022008969A - 引き込み針を有する自己注射器 - Google Patents
引き込み針を有する自己注射器 Download PDFInfo
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- 230000007246 mechanism Effects 0.000 claims abstract description 89
- 238000012377 drug delivery Methods 0.000 claims abstract description 75
- 239000003814 drug Substances 0.000 claims abstract description 52
- 229940079593 drug Drugs 0.000 claims abstract description 52
- 238000003780 insertion Methods 0.000 claims abstract description 43
- 230000037431 insertion Effects 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims description 37
- 239000007924 injection Substances 0.000 claims description 37
- 238000010254 subcutaneous injection Methods 0.000 claims description 18
- 239000007929 subcutaneous injection Substances 0.000 claims description 18
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UCTWMZQNUQWSLP-UHFFFAOYSA-N adrenaline Chemical compound CNCC(O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- UCTWMZQNUQWSLP-VIFPVBQESA-N (R)-adrenaline Chemical compound CNC[C@H](O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-VIFPVBQESA-N 0.000 description 1
- 229930182837 (R)-adrenaline Natural products 0.000 description 1
- 206010069803 Injury associated with device Diseases 0.000 description 1
- 208000012266 Needlestick injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229960005139 epinephrine Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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Abstract
【解決手段】装置が針挿入構成をとると外部筐体1の外部に伸張する針11を有する針アセンブリと、主駆動ばね4を内部筐体3内に有する薬物送達メカニズムは、皮膚センサ要素15が前部位置から後部位置へ移動すると解除され、主駆動ばね4は、針アセンブリの移動軸にオフセットした軸に沿って拡張するよう構成される。薬物送達後、解除されると針11を外部筐体1に引き込むよう構成され、皮膚センサ要素15が後部位置から前部位置へ移動して針11が針挿入位置にくると、針引き込みメカニズムが解除されるように皮膚センサ要素15に連結される針引き込みメカニズムを備える自動薬物送達装置。
【選択図】図1
Description
Claims (15)
- 自動薬物送達装置であって、
筐体と、
前記筐体に連結され、前記筐体に対して移動可能な皮膚センサ要素であって、前記筐体に対して前部位置に付勢され、前記皮膚センサ要素が患者の注射位置に押し付けられると前記筐体に対して後部位置に移動可能となる皮膚センサ要素と、
前記装置が針挿入位置にくると前記筐体の外部に伸張する皮下注射針を有する針アセンブリと、
第一の蓄積エネルギー源を前記筐体内に有し、さらに蓄積エネルギー源を含む薬物送達メカニズムであって、動作中、前記第一の蓄積エネルギー源は、前記皮下注射針を初期位置から前記針挿入位置に移動するように構成され、さらに蓄積エネルギー源は、前記皮下注射針を通して薬物を送達するために解除可能である、薬物送達メカニズムと、および、
解除されると、針引き込みメカニズムが、前記皮下注射針を前記筐体に引き込むよう構成される前記針引き込みメカニズムであって、
前記皮膚センサ要素が前記後部位置から前記前部位置へ移動して前記皮下注射針が前記針挿入位置にくると、前記針引き込みメカニズムが解除されるように、前記皮膚センサ要素に連結される前記針引き込みメカニズムと、を備える自動薬物送達装置。 - 前記装置は、第二の蓄積エネルギー源を含み、
前記皮下注射針が前記針挿入位置にあり、前記皮膚センサ要素が前記後部位置から前記前部位置に向かって移動したとき、前記皮下注射針は、前記第一の蓄積エネルギー源に結合されたままであり、前記第二の蓄積エネルギー源は、前記皮下注射針を前記筐体内に引き込むために、前記第一の蓄積エネルギー源によって与えられる力を克服するために解除される、請求項1に記載の自動薬物送達装置。 - 前記第二の蓄積エネルギー源は、前記皮下注射針が前記針挿入位置にあり、前記皮膚センサが前記後部位置から前記前部位置に向かって移動するまで圧縮状態でロックされるばねである、請求項2に記載の自動薬物送達装置。
- 前記皮下注射針が前記針挿入位置にあり、前記皮膚センサ要素が前記後部位置から前記前部位置に向かって移動すると、前記皮下注射針は、前記薬物送達メカニズムの第一の蓄積エネルギー源から外れる、請求項1に記載の自動薬物送達装置。
- 前記針引き込みメカニズムは、前記皮下注射針を前記筐体に引き込むよう構成される第二の蓄積エネルギー源を含む、請求項4に記載の自動薬物送達装置。
- 前記薬物送達メカニズムの前記第一の蓄積エネルギー源から前記皮下注射針が外されると、前記第二の蓄積エネルギー源が解除され、前記皮下注射針が前記筐体に引き込まれる、請求項5に記載の自動薬物送達装置。
- 前記第二の蓄積エネルギー源による前記皮下注射針の引き込みは、前記第一の蓄積エネルギー源によって抑制される、請求項5または請求項6に記載の自動薬物送達装置。
- 前記第一の蓄積エネルギー源は、前記皮下注射針が前記針挿入位置へ移動すると前記第二の蓄積エネルギー源にエネルギーを伝える、請求項2、請求項3、または請求項5~7のいずれか一項に記載の自動薬物送達装置。
- 前記第二の蓄積エネルギー源は、装置の使用前に保持機能によって圧縮状態に維持されたばねであり、前記第二の蓄積エネルギー源は、使用中の皮膚センサの移動によって、または使用中の針挿入メカニズムによって、または使用中の前記薬物送達メカニズムによって、保持機能から外される、請求項2、3、または請求項5~8のいずれか一項に記載の自動薬物送達装置。
- 前記薬物送達メカニズムは、前記第一の蓄積エネルギー源と前記針アセンブリとの間に位置する駆動部材を含み、前記駆動部材は、前記皮下注射針を前記針挿入位置に駆動するために前記針アセンブリと係合する弾性部を備える、請求項1~請求項9のいずれか一項に記載の自動薬物送達装置。
- 前記薬物送達メカニズムは、前記蓄積エネルギー源と前記針アセンブリとの間に位置する駆動部材を含み、前記駆動部材は、前記皮下注射針を前記針挿入位置に駆動するために前記針アセンブリと係合する弾性部を備え、前記皮下注射針が前記針挿入位置に到達し、皮膚センサ要素が前記後部位置から前記前部位置に移動すると、前記弾性部が前記針アセンブリとの係合から外れ、前記第一の蓄積エネルギー源が前記針アセンブリから外される、請求項1または請求項4~7のいずれか一項に記載の自動薬物送達装置。
- 前記駆動部材は、ばねシートと、前記針アセンブリに係合するよう構成される係合部とを含み、前記ばねシートと前記係合部とは前記弾性部により接続され、前記駆動部材は、前記針アセンブリの反対側に伸張する少なくとも2個の弾性アームと、前記弾性アームに接続されて前記薬物送達メカニズムの前記第一の蓄積エネルギー源に係合する少なくとも1個のばねシートとを含む、請求項10または請求項11に記載の自動薬物送達装置。
- 前記第一の蓄積エネルギー源は、前記皮下注射針が前記筐体へ引き抜かれると、前記皮下注射針が、少なくとも前記第一の蓄積エネルギー源の一部の中を移動するように、前記筐体内に配置される、請求項1~請求項12のいずれか一項に記載の自動薬物送達装置。
- 前記第一の蓄積エネルギー源は、前記皮下注射針が前記筐体へ引き抜かれると、前記皮下注射針が、少なくとも前記第一の蓄積エネルギー源の一部の中を、またはこれを越えて、移動するように、前記筐体内に配置され、さらに、前記第一の蓄積エネルギー源は、前記皮下注射針が引き込み位置にあるときは前記針アセンブリの対向する両側に配置される第一および第二の駆動ばねを有する、請求項1~請求項12のいずれか一項に記載の自動薬物送達装置。
- 前記針引き込みメカニズムは、前記第一および第二の駆動ばねの間の空間に拡張するよう配置されたばねである第二の蓄積エネルギー源を有する、請求項14に記載の自動薬物送達装置。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1521883.7 | 2015-12-11 | ||
GB1521883.7A GB2545266B (en) | 2015-12-11 | 2015-12-11 | Autoinjector with retracting needle |
JP2018530589A JP6959236B2 (ja) | 2015-12-11 | 2016-12-09 | 引き込み針を有する自己注射器 |
PCT/GB2016/053904 WO2017098277A1 (en) | 2015-12-11 | 2016-12-09 | Autoinjector with retracting needle |
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EP (2) | EP3386565B1 (ja) |
JP (2) | JP6959236B2 (ja) |
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CN110720930B (zh) * | 2019-11-05 | 2023-06-27 | 微泰医疗器械(杭州)有限公司 | 助针器以及包括助针器的医疗系统 |
EP4106627A4 (en) * | 2020-02-20 | 2024-05-01 | Medtrum Tech Inc | HIGHLY INTEGRATED ANALYTE DETECTION DEVICE |
WO2021211412A1 (en) * | 2020-04-14 | 2021-10-21 | West Pharmaceutical Services, Inc. | Injection device with passive safety mechanism |
CN113303943A (zh) * | 2021-06-23 | 2021-08-27 | 何平 | 一种兽用的注射设备 |
CN113499126B (zh) * | 2021-06-28 | 2022-07-19 | 苏州百孝医疗科技有限公司 | 植入器及植入方法 |
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- 2016-12-09 JP JP2018530589A patent/JP6959236B2/ja active Active
- 2016-12-09 KR KR1020187019680A patent/KR20180094015A/ko unknown
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- 2016-12-09 EP EP16813026.8A patent/EP3386565B1/en active Active
- 2016-12-09 CA CA3006433A patent/CA3006433A1/en active Pending
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- 2016-12-09 EP EP21170878.9A patent/EP3875130A1/en active Pending
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2021
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AU2016367252A1 (en) | 2018-06-07 |
US11648355B2 (en) | 2023-05-16 |
AU2021286389B2 (en) | 2023-02-09 |
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GB2545266B (en) | 2018-08-08 |
WO2017098277A1 (en) | 2017-06-15 |
EP3386565A1 (en) | 2018-10-17 |
GB2545266A (en) | 2017-06-14 |
JP6959236B2 (ja) | 2021-11-02 |
KR20180094015A (ko) | 2018-08-22 |
CN113456945A (zh) | 2021-10-01 |
JP2018536509A (ja) | 2018-12-13 |
US20180361078A1 (en) | 2018-12-20 |
EP3386565B1 (en) | 2021-07-28 |
EP3875130A1 (en) | 2021-09-08 |
GB201521883D0 (en) | 2016-01-27 |
AU2021286389A1 (en) | 2022-01-20 |
CN108430541A (zh) | 2018-08-21 |
CN108430541B (zh) | 2021-09-03 |
CA3006433A1 (en) | 2017-06-15 |
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