JP6759420B2 - 留置針組立体 - Google Patents
留置針組立体 Download PDFInfo
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- JP6759420B2 JP6759420B2 JP2019108511A JP2019108511A JP6759420B2 JP 6759420 B2 JP6759420 B2 JP 6759420B2 JP 2019108511 A JP2019108511 A JP 2019108511A JP 2019108511 A JP2019108511 A JP 2019108511A JP 6759420 B2 JP6759420 B2 JP 6759420B2
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- Prior art keywords
- needle
- outer needle
- pressing member
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- indwelling
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Classifications
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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)
- Pulmonology (AREA)
- Biophysics (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、
前記外針ハブに着脱自在に接続され、前記外針ハブを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、前記外針および前記外針ハブに対し、前記内針および前記内針ハブと共に移動可能である把持部材と、を備え、
前記把持部材は、底板と、
前記底板に立設された2つの壁部と、
前記2つの壁部の前記底板と反対側の端部に設けられた蓋部と、を備え、
前記押圧部材の一部は、前記底板と前記蓋部との間に配置され、
前記外針ハブは、前記底板と前記蓋部との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。
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4の基端部には、内針ハブ5が固定されている。
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。
この留置針組立体1によれば、前述した第1実施形態と同様の効果が得られる。
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 (5)
- 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、前記外針ハブを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、前記外針および前記外針ハブに対し、前記内針および前記内針ハブと共に移動可能である把持部材と、を備え、
前記把持部材は、底板と、
前記底板に立設された2つの壁部と、
前記2つの壁部の前記底板と反対側の端部に設けられた蓋部と、を備え、
前記押圧部材の一部は、前記底板と前記蓋部との間に配置され、
前記外針ハブは、前記底板と前記蓋部との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または2に記載の留置針組立体。
- 前記押圧部材は、前記外針に対して所定位置まで回動することで、前記外針ハブから取り外し可能となる請求項1ないし3のいずれか1項に記載の留置針組立体。
- 前記押圧部材は、ヒンジ部により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更可能に構成されている請求項1ないし4のいずれか1項に記載の留置針組立体。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010073414 | 2010-03-26 | ||
JP2010073414 | 2010-03-26 | ||
JP2010122413 | 2010-05-28 | ||
JP2010122413 | 2010-05-28 |
Related Parent Applications (1)
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JP2018007233A Division JP6541809B2 (ja) | 2010-03-26 | 2018-01-19 | 留置針組立体 |
Related Child Applications (1)
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JP2020147304A Division JP7130709B2 (ja) | 2010-03-26 | 2020-09-02 | 留置針組立体 |
Publications (2)
Publication Number | Publication Date |
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JP2019166392A JP2019166392A (ja) | 2019-10-03 |
JP6759420B2 true JP6759420B2 (ja) | 2020-09-23 |
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Family Applications (10)
Application Number | Title | Priority Date | Filing Date |
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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 Pending JP2024024028A (ja) | 2010-03-26 | 2023-12-28 | 留置針組立体 |
Family Applications Before (6)
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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 |
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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 Pending JP2024024028A (ja) | 2010-03-26 | 2023-12-28 | 留置針組立体 |
Country Status (3)
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US (13) | US8876773B2 (ja) |
JP (10) | JP5836931B2 (ja) |
WO (1) | WO2011118643A1 (ja) |
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