JP6640331B2 - 骨髄内注射器具 - Google Patents
骨髄内注射器具 Download PDFInfo
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- JP6640331B2 JP6640331B2 JP2018512203A JP2018512203A JP6640331B2 JP 6640331 B2 JP6640331 B2 JP 6640331B2 JP 2018512203 A JP2018512203 A JP 2018512203A JP 2018512203 A JP2018512203 A JP 2018512203A JP 6640331 B2 JP6640331 B2 JP 6640331B2
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
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- A61M2210/00—Anatomical parts of the body
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- A—HUMAN NECESSITIES
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
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- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/329—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle shaft
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
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- Hematology (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
本願は、2015年8月31日に出願された米国特許出願第62/212421号の優先権主張出願である。米国において、本願は、2015年8月31日に出願された米国特許出願第62/212421号(発明の名称:INTRAOSSEOUS INJECTION DEVICE)の35U.S.C.§119に基づく権益主張出願であり、この米国特許出願を参照により引用し、全ての目的に関しその記載内容全体を本明細書の一部とする。
・骨穿通針中への流体の送り込みに関する特徴、
・骨髄内投与のための流体の加圧に関する特徴、
・注射器によって投与されるべき流体の量の調節に関する特徴、
・流体の注射が完了した時期の指示に関する特徴。
Claims (29)
- 流体を患者の骨髄中に注射するのに有用な骨髄内注射器であって、前記注射器は、
ハウジングを有し、
前記ハウジング内に配置された容器を有し、
近位端部及び遠位端部を備えた中空針を有し、前記中空針は、前記ハウジングに対して軸方向に摺動可能であり、前記中空針は、前記ハウジングの近位端部から突き出た近位端部を有し、
骨プローブ針及び解除部材を含む解除機構体を有し、前記解除部材は、前記解除部材が、前記中空針が前記中空針の前記近位端部を前記ハウジングに向かって動かす第1の方向に前記ハウジングに対して軸方向に動くのを阻止する第1の形態と、前記解除部材が、前記中空針の前記近位端部が前記第1の方向に動くのを阻止しない第2の形態との間で動くことができ、前記骨プローブ針は、前記解除部材に結合されて、前記解除部材が前記第1の形態から前記第2の形態に動くよう前記解除部材を自由にするように構成されており、
前記第1の方向における前記中空針の運動によって突き通されて前記容器の内部と前記中空針のボアとの流体連通を確立する隔膜を有し、この隔膜は、この隔膜を突き通して流体連通を確立するのに必要な力が、前記中空針を患者の骨髄に押し込むのに必要な力よりも小さくなるように構成されている、骨髄内注射器。 - 前記中空針の前記遠位端部は、尖鋭な、かつ前記第1の方向における前記ハウジングに対する前記中空針の軸方向運動時に前記隔膜を突き通すよう構成されている、請求項1記載の骨髄内注射器。
- 前記ハウジングは、握りを有する、請求項1又は2に記載の骨髄内注射器。
- 前記ハウジング内に摺動可能に設けられるとともに前記ハウジングの前記近位端部から近位側の方向に突き出るよう付勢された管状針ハウジングを有し、前記中空針は、前記針ハウジングのボアを貫通している、請求項1〜3のうちいずれか一に記載の骨髄内注射器。
- 前記針ハウジングの近位端部のところに設けられた足部を有する、請求項4記載の骨髄内注射器。
- 前記足部は、前記足部と標的骨とを位置合わせする標識を有する、請求項5記載の骨髄内注射器。
- 前記標識は、前記足部の縁に設けられた切欠きから成る、請求項6記載の骨髄内注射器。
- a.前記容器は、前記第1の方向とは逆の第2の方向に前記ハウジングに対して摺動可能に動くことができ、
b.前記注射器は、前記容器が前記第2の方向に動くよう前記容器を付勢するばねを有し、
c.前記注射器は、制止部材を有し、前記制止部材は、前記容器が前記ハウジングに対して前記第2の方向に動かないよう保持される制止位置と、前記制止部材が前記容器を前記第2の方向に動かすことができる解除位置との間で動くことができ、
d.前記第1の方向における前記中空針の運動により、直接的に又は間接的に、前記制止部材が前記制止位置から前記解除位置に動き、それにより前記容器が前記中空針に向かって前記第2の方向に動くことができる、請求項1〜7のうちいずれか一に記載の骨髄内注射器。 - 前記中空針は、前記ハウジングのボア内に摺動可能に設けられたキャリッジに取り付けられ、前記注射器は、前記キャリッジが前記第1の方向において前記ハウジングの前記ボア中に動くことができるよう方向付けられた一方向ラチェット機構体を有する、請求項1〜8のうちいずれか一に記載の骨髄内注射器。
- 前記流体を前記容器内で加圧するよう作動できる加圧機構体を有する、請求項1〜9のうちいずれか一に記載の骨髄内注射器。
- 前記加圧機構体は、1回分の加圧ガスを含む、請求項10記載の骨髄内注射器。
- 前記加圧機構体は、プランジャ及び前記流体を前記容器内で加圧するよう前記プランジャを駆動するよう配置されたばねを含む、請求項10記載の骨髄内注射器。
- 前記プランジャは、前記容器の1つの壁を形成している、請求項12記載の骨髄内注射器。
- 前記プランジャの移動量を選択的に制限するよう調節可能な停止部を有する、請求項12又は13記載の骨髄内注射器。
- 前記停止部は、取り外し可能なピンから成る、請求項14記載の骨髄内注射器。
- 前記プランジャの運動に応動して動くよう連結された視覚表示器を有し、前記視覚表示器の位置は、前記容器から小出しされた流体の量を表わしている、請求項12〜15のうちいずれか一に記載の骨髄内注射器。
- 前記容器からの注射された前記流体の比率を示す表示器を有する、請求項1〜15のうちいずれか一に記載の骨髄内注射器。
- 前記表示器は、前記容器が見えるようにするハウジングに設けられた窓を有する、請求項17記載の骨髄内注射器。
- 前記容器の壁は、半透明又は透明である、請求項18記載の骨髄内注射器。
- 前記容器は、薬剤を含む流体を収容している、請求項1〜19のうちいずれか一に記載の骨髄内注射器。
- 前記薬剤は、エピネフリン、解毒剤、心臓薬、及び失血、感染症、低血圧症、有機リン酸塩中毒、熱傷、外傷、疼痛及び発作のうちの1つ又は2つ以上を治療するための薬物から成る群から選択される、請求項20記載の骨髄内注射器。
- 前記中空針の前記近位端部は、前記中空針の側壁を通って前記中空針の前記ボア中に延びる1つ又は2つ以上の流体ポートを有する、請求項1〜21のうちいずれか一に記載の骨髄内注射器。
- 前記中空針の前記近位端部は、中実の尖った先端部を有する、請求項22記載の骨髄内注射器。
- 前記中空針の前記近位端部は、前記中空針の前記近位端部に隣接して位置する前記中空針の一部分に対して直径が拡大されている、請求項1〜23のうちいずれか一に記載の骨髄内注射器。
- 前記解除部材は、前記ハウジングに結合されたスプリットリング及び骨プローブに結合された滑りブロックを有し、前記滑りブロックは、前記スプリットリングの端相互間の隙間内に配置されていて前記骨プローブに加えられた力によって前記隙間から押し出される、請求項1〜24のうちいずれか一に記載の骨髄内注射器。
- 骨プローブは、複数の骨プローブ針を有する、請求項1〜25のうちいずれか一に記載の骨髄内注射器。
- 前記骨プローブ針は、前記中空針に平行に延びかつ該中空針を包囲している、請求項26記載の骨髄内注射器。
- コンパートメントは、前記流体について少なくとも3mL分の容量を有する、請求項1〜27のうちいずれか一に記載の骨髄内注射器。
- 前記コンパートメントは、脆いアンプルから成る、請求項1〜28のうちいずれか一に記載の骨髄内注射器。
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PCT/CA2016/051033 WO2017035653A1 (en) | 2015-08-31 | 2016-08-31 | Intraosseous injection device |
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CN109963519B (zh) | 2016-10-27 | 2022-06-21 | C·R·巴德股份有限公司 | 骨内进入装置 |
US11642466B2 (en) * | 2019-05-03 | 2023-05-09 | Carefusion 303, Inc. | Syringe with priming mechanism |
US20200384184A1 (en) * | 2019-06-06 | 2020-12-10 | Orlando Health, Inc. | Wound irrigation device |
WO2021062215A1 (en) | 2019-09-27 | 2021-04-01 | Bard Access Systems, Inc. | Step needle for intraosseous access device |
CN110755140B (zh) * | 2019-11-28 | 2024-09-24 | 中国人民解放军陆军特色医学中心 | 一种胸骨输液针 |
CN110731812A (zh) * | 2019-11-28 | 2020-01-31 | 搏时(北京)医疗科技有限公司 | 一种分体式胸骨穿刺针手柄组件以及分体式胸骨穿刺针 |
CN110786917A (zh) * | 2019-11-28 | 2020-02-14 | 搏时(北京)医疗科技有限公司 | 一种一体式胸骨输液针 |
CN115919432B (zh) * | 2023-03-15 | 2023-05-12 | 吉林大学第一医院 | 一种用于预防骨髓回输液内脂肪颗粒输入装置 |
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CN1232129C (zh) | 1998-09-25 | 2005-12-14 | 索马网络公司 | 电讯操作方法 |
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CN103316402A (zh) * | 2006-06-30 | 2013-09-25 | 艾伯维生物技术有限公司 | 自动注射装置 |
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