JP6092346B2 - 留置針組立体 - Google Patents
留置針組立体 Download PDFInfo
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- JP6092346B2 JP6092346B2 JP2015217149A JP2015217149A JP6092346B2 JP 6092346 B2 JP6092346 B2 JP 6092346B2 JP 2015217149 A JP2015217149 A JP 2015217149A JP 2015217149 A JP2015217149 A JP 2015217149A JP 6092346 B2 JP6092346 B2 JP 6092346B2
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- Prior art keywords
- needle
- pressing member
- outer needle
- indwelling
- inner needle
- Prior art date
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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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
-
- 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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1585—Needle inserters
-
- 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
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
前記内針の基端部に固定された内針ハブと、
前記内針が挿通される中空の外針と、
前記外針の基端部に固定された外針ハブと、
前記内針ハブに接続され、前記内針ハブから先端方向に突出し、その先端部が前記外針の基端部よりも先端側に位置する把持部材と
前記外針ハブに接続され、前記外針の軸に沿って配置された長尺状の本体部と、該本体部の基端よりも先端側に設けられ、前記外針の基端と先端との間の部位を押圧する押圧部とを有する押圧部材とを備え、
前記把持部材は、内部空間を有し、
前記内針の少なくとも基端および前記外針の少なくとも基端が、前記把持部材の前記内部空間に配置されていることを特徴とする留置針組立体である。
本願発明の留置針組立体では、前記押圧部材は、前記外針の軸に沿って配置された位置と、前記外針から退避した位置とに変位可能であることが好ましい。
図1は、本発明の留置針組立体の第1実施形態を示す断面図、図2〜図5は、それぞれ、図1に示す留置針組立体の使用方法の一例を説明するための断面図である。
内針ハブ5は、ほぼ筒状の部材で構成され、その基端部の外周部には、フランジ51が形成されている。組み立て状態では、内針ハブ5のフランジ51より先端側の部位が、外針ハブ3の内部に挿入され、嵌合して固定される。
図6は、本発明の留置針組立体の第2実施形態(組立状態)を示す斜視図、図7は、本発明の留置針組立体の第2実施形態(非組立状態)を示す斜視図、図8〜図11は、それぞれ、図6に示す留置針組立体の使用方法の一例を説明するための斜視図である。
そして、この留置針組立体1では、指掛け突起62が外針2の軸に沿って複数設けられているので、その指掛け突起62を順次先端方向に押圧することにより、容易かつ確実に、内針4に対して外針2を先端方向に移動させることができる。
図12は、本発明の留置針組立体の第3実施形態(組立状態)を示す斜視図、図13は、図12に示す留置針組立体の押圧部材を示す側面図、図14は、図12に示す留置針組立体の押圧部材および外針を示す側面図、図15は、図12に示す留置針組立体の正面図、図16は、図12に示す留置針組立体の押圧部材および把持部材の先端部を示す斜視図、図17は、図12に示す留置針組立体の外針ハブおよび押圧部材を示す斜視図、図18〜図22は、それぞれ、図12に示す留置針組立体の使用方法の一例を説明するための斜視図である。
なお、前記溝は、押圧部材6と把持部材7との一方のみに形成されていてもよい。
この留置針組立体1によれば、前述した第2実施形態と同様の効果が得られる。
2 外針
3 外針ハブ
4 内針
5 内針ハブ
6 押圧部材
7 把持部材
21 内腔
22 先端開口
31 フランジ
32 軸受け
41 針先
51 フランジ
52 通気フィルタ
61 本体部
62 指掛け突起
63 軸
64 押圧部
65 溝
71 底板
72 壁部
73 壁部
74 溝
75 蓋部
321 支持部
322 支持部
611 薄肉部
661 段差部
662 段差部
721 リブ
722 リブ
731 リブ
732 リブ
Claims (6)
- 先端に鋭利な針先を有する内針と、
前記内針の基端部に固定された内針ハブと、
前記内針が挿通される中空の外針と、
前記外針の基端部に固定された外針ハブと、
前記内針ハブに接続され、前記内針ハブから先端方向に突出し、その先端部が前記外針の基端部よりも先端側に位置する把持部材と、
前記外針ハブに接続され、前記外針の軸に沿って配置された長尺状の本体部と、該本体部の基端よりも先端側に設けられ、前記外針の基端と先端との間の部位を押圧する押圧部とを有する押圧部材とを備え、
前記把持部材は、内部空間を有し、
前記内針の少なくとも基端および前記外針の少なくとも基端が、前記把持部材の前記内部空間に配置されていることを特徴とする留置針組立体。 - 前記押圧部材の前記本体部は、指掛け突起を備え、前記指掛け突起は、組立状態において前記外針の基端部よりも先端側に位置する請求項1に記載の留置針組立体。
- 前記把持部材は、前記押圧部材を該押圧部材の長手方向に移動可能に収納する空間を有する請求項1または2に記載の留置針組立体。
- 前記押圧部材は、前記把持部材に対して長手方向に移動可能である請求項1ないし3のいずれか1項に記載の留置針組立体。
- 前記把持部材は、その先端部に、前記押圧部材と係合し、該押圧部材が前記外針から離間する方向に変位することを防止する係合部を有する請求項1ないし4のいずれか1項に記載の留置針組立体。
- 前記押圧部材は、前記外針の軸に沿って配置された位置と、前記外針から退避した位置とに変位可能である請求項1ないし5のいずれか1項に記載の留置針組立体。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2015217149A JP6092346B2 (ja) | 2010-03-26 | 2015-11-04 | 留置針組立体 |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
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| JP2010073414 | 2010-03-26 | ||
| JP2010073414 | 2010-03-26 | ||
| JP2010122413 | 2010-05-28 | ||
| JP2010122413 | 2010-05-28 | ||
| JP2015217149A JP6092346B2 (ja) | 2010-03-26 | 2015-11-04 | 留置針組立体 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2012507036A Division JP5836931B2 (ja) | 2010-03-26 | 2011-03-23 | 留置針組立体 |
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| JP2016070506A Division JP6009114B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2016070505A Division JP6009113B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2017021626A Division JP6306760B2 (ja) | 2010-03-26 | 2017-02-08 | 留置針組立体 |
Publications (2)
| Publication Number | Publication Date |
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| JP2016019923A JP2016019923A (ja) | 2016-02-04 |
| JP6092346B2 true JP6092346B2 (ja) | 2017-03-08 |
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| JP2012507036A Active JP5836931B2 (ja) | 2010-03-26 | 2011-03-23 | 留置針組立体 |
| JP2015217149A Active JP6092346B2 (ja) | 2010-03-26 | 2015-11-04 | 留置針組立体 |
| JP2016070505A Active JP6009113B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2016070506A Active JP6009114B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2017021626A Active JP6306760B2 (ja) | 2010-03-26 | 2017-02-08 | 留置針組立体 |
| JP2018007233A Active JP6541809B2 (ja) | 2010-03-26 | 2018-01-19 | 留置針組立体 |
| JP2019108511A Active JP6759420B2 (ja) | 2010-03-26 | 2019-06-11 | 留置針組立体 |
| JP2020147304A Active JP7130709B2 (ja) | 2010-03-26 | 2020-09-02 | 留置針組立体 |
| JP2022133356A Active JP7414913B2 (ja) | 2010-03-26 | 2022-08-24 | 留置針組立体 |
| JP2023222917A Active JP7632944B2 (ja) | 2010-03-26 | 2023-12-28 | 留置針組立体 |
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| JP2012507036A Active JP5836931B2 (ja) | 2010-03-26 | 2011-03-23 | 留置針組立体 |
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| JP2016070505A Active JP6009113B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2016070506A Active JP6009114B2 (ja) | 2010-03-26 | 2016-03-31 | 留置針組立体 |
| JP2017021626A Active JP6306760B2 (ja) | 2010-03-26 | 2017-02-08 | 留置針組立体 |
| JP2018007233A Active JP6541809B2 (ja) | 2010-03-26 | 2018-01-19 | 留置針組立体 |
| JP2019108511A Active JP6759420B2 (ja) | 2010-03-26 | 2019-06-11 | 留置針組立体 |
| JP2020147304A Active JP7130709B2 (ja) | 2010-03-26 | 2020-09-02 | 留置針組立体 |
| JP2022133356A Active JP7414913B2 (ja) | 2010-03-26 | 2022-08-24 | 留置針組立体 |
| JP2023222917A Active JP7632944B2 (ja) | 2010-03-26 | 2023-12-28 | 留置針組立体 |
Country Status (3)
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| US (14) | US8876773B2 (ja) |
| JP (10) | JP5836931B2 (ja) |
| WO (1) | WO2011118643A1 (ja) |
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