JP2016116995A - 留置針組立体 - Google Patents
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- JP2016116995A JP2016116995A JP2016070506A JP2016070506A JP2016116995A JP 2016116995 A JP2016116995 A JP 2016116995A JP 2016070506 A JP2016070506 A JP 2016070506A JP 2016070506 A JP2016070506 A JP 2016070506A JP 2016116995 A JP2016116995 A JP 2016116995A
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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)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
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- Media Introduction/Drainage Providing Device (AREA)
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Abstract
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、
前記外針ハブに着脱自在に接続され、前記外針を前記内針に対して先端方向に押圧する押圧部材と、
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、前記内針および前記外針の一部を収容する内部空間を有する把持部材と、を備え、
前記押圧部材を先端方向に押圧することにより、前記把持部材の前記内部空間内に収容された前記外針ハブおよび前記外針が前記内部空間外に押し出されることを特徴とする留置針組立体である。
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 (15)
- 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、
前記外針ハブに着脱自在に接続され、前記外針を前記内針に対して先端方向に押圧する押圧部材と、
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、前記内針および前記外針の一部を収容する内部空間を有する把持部材と、を備え、
前記押圧部材を先端方向に押圧することにより、前記把持部材の前記内部空間内に収容された前記外針ハブおよび前記外針が前記内部空間外に押し出されることを特徴とする留置針組立体。 - 前記押圧部材は、前記外針ハブの外側面に着脱自在に接続されている請求項1に記載の留置針組立体。
- 前記把持部材の先端部は、前記外針に前記内針が挿通された組立状態において、前記外針の基端部よりも先端側に位置し、前記内針の先端部よりも基端側に位置する請求項1または2に記載の留置針組立体。
- 前記把持部材は、前記押圧部材が先端方向に移動する際に、前記押圧部材の移動方向を規制するガイド部材としての機能を有する請求項1ないし3のいずれか1項に記載の留置針組立体。
- 前記把持部材の内側の空間を覆う蓋部を有し、前記外針に前記内針が挿通された組立状態において、前記外針ハブは前記把持部材と前記蓋部の間に収容されている請求項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、前記外針ハブに接続されている本体部と、前記本体部から突出した指掛け突起とを有する請求項1ないし5のいずれか1項に記載の留置針組立体。
- 前記本体部は、前記外針に前記内針が挿通された組立状態において、前記把持部材の前記内側空間に収納されている請求項6に記載の留置針組立体。
- 前記押圧部材の前記指掛け突起は、前記外針に前記内針が挿通された組立状態において、前記外針ハブの基端よりも先端側に位置する請求項6または7に記載の留置針組立体。
- 前記外針が前記外針の軸に対して垂直な方向にずれることを防止するずれ防止手段を有する請求項1ないし8のいずれか1項に記載の留置針組立体。
- 前記ずれ防止手段は、前記把持部材に設けられ、前記外針が保持される凹部を有する請求項9に記載の留置針組立体。
- 前記把持部材の外側表面には、上下方向に延在する複数のリブを有する滑り止め手段が設けられている請求項1ないし10のいずれか1項に記載の留置針組立体。
- 前記把持部材は、長尺状をなし、底板と、前記底板に立設された2つの壁部とを有する請求項1ないし11のいずれか1項に記載の留置針組立体。
- 前記押圧部材は、前記内針が前記外針から抜去された後に取り外される請求項1ないし12のいずれか1項に記載の留置針組立体。
- 前記押圧部材は、長尺状をなす本体部を有し、その途中で前記外針から離間する方向に湾曲または屈曲するよう構成されている請求項1ないし13のいずれか1項に記載の留置針組立体。
- 前記押圧部材は、前記外針ハブからの離脱を防止する離脱防止手段を有する請求項1ないし14のいずれか1項に記載の留置針組立体。
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JP2015217149A Division JP6092346B2 (ja) | 2010-03-26 | 2015-11-04 | 留置針組立体 |
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JP6009114B2 JP6009114B2 (ja) | 2016-10-19 |
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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 |
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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 |
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US10076272B2 (en) | 2011-04-26 | 2018-09-18 | Velano Vascular, Inc. | Systems and methods for phlebotomy through a peripheral IV catheter |
US8366685B2 (en) | 2011-04-26 | 2013-02-05 | Creative Vascular, Llc | Systems and methods for phlebotomy through a peripheral IV catheter |
CN108939205B (zh) | 2013-06-12 | 2021-03-09 | 泰尔茂株式会社 | 导管组装体 |
US10918837B2 (en) | 2013-12-04 | 2021-02-16 | B. Braun Melsungen Ag | Safety needle assemblies and related methods |
KR102294812B1 (ko) | 2014-01-23 | 2021-08-31 | 글로벌웨이퍼스 씨오., 엘티디. | 고 비저항 soi 웨이퍼 및 그 제조 방법 |
JP6722667B2 (ja) * | 2014-08-05 | 2020-07-15 | ブルパップ サイエンティフィック リミテッドBullpup Scientific Ltd. | カテーテル挿入システム |
US10483152B2 (en) | 2014-11-18 | 2019-11-19 | Globalwafers Co., Ltd. | High resistivity semiconductor-on-insulator wafer and a method of manufacturing |
US10224233B2 (en) | 2014-11-18 | 2019-03-05 | Globalwafers Co., Ltd. | High resistivity silicon-on-insulator substrate comprising a charge trapping layer formed by He-N2 co-implantation |
US10283402B2 (en) | 2015-03-03 | 2019-05-07 | Globalwafers Co., Ltd. | Method of depositing charge trapping polycrystalline silicon films on silicon substrates with controllable film stress |
JP6568714B2 (ja) * | 2015-05-15 | 2019-08-28 | テルモ株式会社 | カテーテル組立体 |
JP6768644B2 (ja) * | 2015-05-15 | 2020-10-14 | テルモ株式会社 | カテーテル組立体 |
WO2016185950A1 (ja) * | 2015-05-15 | 2016-11-24 | テルモ株式会社 | カテーテル組立体 |
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