JP6652385B2 - 留置針組立体 - Google Patents
留置針組立体 Download PDFInfo
- Publication number
- JP6652385B2 JP6652385B2 JP2015554750A JP2015554750A JP6652385B2 JP 6652385 B2 JP6652385 B2 JP 6652385B2 JP 2015554750 A JP2015554750 A JP 2015554750A JP 2015554750 A JP2015554750 A JP 2015554750A JP 6652385 B2 JP6652385 B2 JP 6652385B2
- Authority
- JP
- Japan
- Prior art keywords
- needle
- inner needle
- tip protector
- hub
- needle tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (3)
- 基端側に内針ハブを有する内針と、
該内針に外挿されて軸方向で移動可能に装着されており該内針の先端に移動して針先を覆う針先プロテクタと、
基端側に外針ハブを有しており該外針ハブの側から前記内針が挿通される外針と
を、含んで構成された留置針組立体において、
前記針先プロテクタと前記外針ハブとを相対回転により離脱可能に係合させる回転係合機構を設ける一方、
前記針先プロテクタが前記内針の先端に移動した状態で該針先プロテクタと該内針との軸回りの相対回転を規制する回転規制機構を設けて、
該内針ハブの軸回りの回転が該内針から該回転規制機構により該針先プロテクタに及ぼされることで、該針先プロテクタに対して前記回転係合機構で係合された前記外針ハブが相対回転により離脱せしめ得る、内針を通じての離脱用回転力伝達機構を構成したことを特徴とする留置針組立体。 - 前記内針の先端部分の外周面に第1の係合用突部が設けられている一方、前記針先プロテクタの内周面に第2の係合用突部が設けられており、それら第1の係合用突部と第2の係合用突部の係合により該内針と該針先プロテクタの相対回転が規制されるようになっている請求項1に記載の留置針組立体。
- 前記針先プロテクタが、前記外針ハブへ係合可能とされたハウジング部材と、該ハウジング部材に対して周方向で係止された筒状のピン部材とを含んで構成されており、該ピン部材が前記内針に外挿されて相対回転が規制されるようになっている請求項1又は2に記載の留置針組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013268177 | 2013-12-26 | ||
JP2013268177 | 2013-12-26 | ||
PCT/JP2014/083087 WO2015098590A1 (ja) | 2013-12-26 | 2014-12-15 | 留置針組立体 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018207656A Division JP2019013844A (ja) | 2013-12-26 | 2018-11-02 | 留置針組立体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015098590A1 JPWO2015098590A1 (ja) | 2017-03-23 |
JP6652385B2 true JP6652385B2 (ja) | 2020-02-19 |
Family
ID=53478454
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015554750A Active JP6652385B2 (ja) | 2013-12-26 | 2014-12-15 | 留置針組立体 |
JP2018207656A Pending JP2019013844A (ja) | 2013-12-26 | 2018-11-02 | 留置針組立体 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018207656A Pending JP2019013844A (ja) | 2013-12-26 | 2018-11-02 | 留置針組立体 |
Country Status (2)
Country | Link |
---|---|
JP (2) | JP6652385B2 (ja) |
WO (1) | WO2015098590A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11338114B2 (en) * | 2019-07-09 | 2022-05-24 | Becton, Dickinson And Company | Magnetic catheter system and methods |
CN113813462A (zh) * | 2021-08-24 | 2021-12-21 | 浙江康德莱医疗器械股份有限公司 | 一种安全血透留置针 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5558651A (en) * | 1990-04-20 | 1996-09-24 | Becton Dickinson And Company | Apparatus and method for a needle tip cover |
JP4477749B2 (ja) * | 2000-06-19 | 2010-06-09 | メディキット株式会社 | 安全留置針 |
WO2009042874A1 (en) * | 2007-09-27 | 2009-04-02 | Tyco Healthcare Group Lp | I.v. catheter assembly and needle safety device |
-
2014
- 2014-12-15 WO PCT/JP2014/083087 patent/WO2015098590A1/ja active Application Filing
- 2014-12-15 JP JP2015554750A patent/JP6652385B2/ja active Active
-
2018
- 2018-11-02 JP JP2018207656A patent/JP2019013844A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPWO2015098590A1 (ja) | 2017-03-23 |
JP2019013844A (ja) | 2019-01-31 |
WO2015098590A1 (ja) | 2015-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10905858B2 (en) | Safety needle system operable with a medical device | |
US7396346B2 (en) | Indwelling catheter set | |
CA2664507C (en) | Needle tip protector | |
DK2919834T3 (en) | INJECTION NEEDLE UNIT | |
JPWO2018026006A1 (ja) | 弁付き針組立体および留置針組立体 | |
JP2006341095A (ja) | 着脱可能な深さ止めを有する針アッセンブリ | |
JP7424680B2 (ja) | 静脈内カテーテルデバイス | |
CA2976185C (en) | Indwelling needle assembly | |
JP6652385B2 (ja) | 留置針組立体 | |
JP2005270638A5 (ja) | ||
JP6735024B2 (ja) | 留置針 | |
JP6321431B2 (ja) | 医療用のライン接続コネクタ | |
JP7123359B2 (ja) | 針組立体 | |
JP2020509883A (ja) | ステイクドニードルを備えたプレフィルドシリンジのための注射針保護装置、およびこのような装置を備える注射器 | |
JP6427987B2 (ja) | 留置針 | |
JP2013233247A (ja) | 留置針組立体 | |
JP2023050482A (ja) | 針組立体 | |
JP6511863B2 (ja) | 留置針組立体 | |
JP2019034192A (ja) | 留置針 | |
JP2001245981A (ja) | 安全留置針 | |
JPWO2014162378A1 (ja) | カテーテル組立体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170816 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180412 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20180611 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180717 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20180802 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200123 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6652385 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |