JP6889820B2 - 留置針組立体 - Google Patents
留置針組立体 Download PDFInfo
- Publication number
- JP6889820B2 JP6889820B2 JP2017142274A JP2017142274A JP6889820B2 JP 6889820 B2 JP6889820 B2 JP 6889820B2 JP 2017142274 A JP2017142274 A JP 2017142274A JP 2017142274 A JP2017142274 A JP 2017142274A JP 6889820 B2 JP6889820 B2 JP 6889820B2
- Authority
- JP
- Japan
- Prior art keywords
- outer needle
- slit
- tip
- connecting member
- opening
- 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
- 230000002439 hemostatic effect Effects 0.000 claims description 42
- 210000004204 blood vessel Anatomy 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000008280 blood Substances 0.000 description 16
- 210000004369 blood Anatomy 0.000 description 16
- 238000001802 infusion Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
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
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/04—Access sites having pierceable self-sealing members
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims (2)
- 中空筒状体からなり血管に穿刺された状態で留置される外針と、
中空筒状体からなり該外針を先端部で支持する一方、後端部にルアー端子を接続可能なルアーテーパー部を備え内部を透視可能な外針基と、
該外針基の軸方向に直交する面に開閉自在のスリットを備える止血弁と、
該外針基の内周面と該止血弁の外周面との間隙を封止し、気体を通過させる一方、液体を遮断する通気フィルターと、
中空筒状体からなり該外針基の内部の先端部に配置され、該止血弁が該ルアー端子により先端方向に押動されたときに後端部が該スリットに挿入されて該スリットの前後を連通させる接続部材とを備える留置針組立体であって、
該接続部材は、該外針基の内部の先端部に嵌合される嵌合部と、該嵌合部の後端側に連接されて該スリットに挿入される該嵌合部より小径の挿入部と、少なくとも該嵌合部の後端面に開口し中空筒状の内部に連通する第1の開口部と、軸に対して該第1の開口部と対称となる側で該挿入部の側面に開口し中空筒状の内部に連通する第2の開口部とを備えることを特徴とする留置針組立体。 - 請求項1記載の留置針組立体において、前記接続部材の前記嵌合部は、前記外針基の内部の先端部に遊嵌されていることを特徴とする留置針組立体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017142274A JP6889820B2 (ja) | 2017-07-21 | 2017-07-21 | 留置針組立体 |
PCT/JP2018/023127 WO2019017129A1 (ja) | 2017-07-21 | 2018-06-18 | 留置針組立体 |
TW107122233A TWI761543B (zh) | 2017-07-21 | 2018-06-28 | 留置針組裝體 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017142274A JP6889820B2 (ja) | 2017-07-21 | 2017-07-21 | 留置針組立体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019022544A JP2019022544A (ja) | 2019-02-14 |
JP6889820B2 true JP6889820B2 (ja) | 2021-06-18 |
Family
ID=65015258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017142274A Active JP6889820B2 (ja) | 2017-07-21 | 2017-07-21 | 留置針組立体 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6889820B2 (ja) |
TW (1) | TWI761543B (ja) |
WO (1) | WO2019017129A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7091593B2 (ja) * | 2018-07-25 | 2022-06-28 | 株式会社トップ | 留置針組立体 |
WO2021215437A1 (ja) * | 2020-04-21 | 2021-10-28 | 株式会社トップ | 留置針組立体 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH061080B2 (ja) * | 1989-09-04 | 1994-01-05 | 喜義 春日井 | ベーンポンプ |
JP4996015B2 (ja) * | 2001-03-12 | 2012-08-08 | メディキット株式会社 | 留置用カテーテル |
JP2008043445A (ja) * | 2006-08-11 | 2008-02-28 | Medikit Kk | カテーテル、中空針、及び留置針組立体 |
BRPI0920464B8 (pt) * | 2008-10-03 | 2021-06-22 | Nipro Corp | protetor de ponta de agulha e montagem de agulha permanente |
US8679063B2 (en) * | 2009-02-11 | 2014-03-25 | Becton, Dickinson And Company | Systems and methods for providing a catheter assembly |
US8361038B2 (en) * | 2009-02-11 | 2013-01-29 | Becton, Dickinson And Company | Systems and methods for providing a flow control valve for a medical device |
JP5651597B2 (ja) * | 2009-10-16 | 2015-01-14 | テルモ株式会社 | 留置針および留置針組立体 |
US9381320B2 (en) * | 2013-03-18 | 2016-07-05 | Becton, Dickinson And Company | Multiple-use intravenous catheter assembly septum and septum actuator |
JP6295059B2 (ja) * | 2013-10-24 | 2018-03-14 | 株式会社トップ | 留置針 |
JPWO2015133279A1 (ja) * | 2014-03-05 | 2017-04-06 | テルモ株式会社 | カテーテル組立体 |
JP7091593B2 (ja) * | 2018-07-25 | 2022-06-28 | 株式会社トップ | 留置針組立体 |
-
2017
- 2017-07-21 JP JP2017142274A patent/JP6889820B2/ja active Active
-
2018
- 2018-06-18 WO PCT/JP2018/023127 patent/WO2019017129A1/ja active Application Filing
- 2018-06-28 TW TW107122233A patent/TWI761543B/zh active
Also Published As
Publication number | Publication date |
---|---|
WO2019017129A1 (ja) | 2019-01-24 |
TWI761543B (zh) | 2022-04-21 |
JP2019022544A (ja) | 2019-02-14 |
TW201907974A (zh) | 2019-03-01 |
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