JP6254024B2 - カテーテル組立体 - Google Patents
カテーテル組立体 Download PDFInfo
- Publication number
- JP6254024B2 JP6254024B2 JP2014048384A JP2014048384A JP6254024B2 JP 6254024 B2 JP6254024 B2 JP 6254024B2 JP 2014048384 A JP2014048384 A JP 2014048384A JP 2014048384 A JP2014048384 A JP 2014048384A JP 6254024 B2 JP6254024 B2 JP 6254024B2
- Authority
- JP
- Japan
- Prior art keywords
- inner needle
- catheter
- hub
- housing
- cover
- 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
- 210000000078 claw Anatomy 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000000452 restraining effect Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000001802 infusion Methods 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 230000004048 modification Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 11
- 230000004308 accommodation Effects 0.000 description 8
- 239000008280 blood Substances 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000004323 axial length Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000023597 hemostasis Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- 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
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
Description
14…内針 20…カテーテルハブ
21…内部空間 25…係止溝
30…内針収容部 32…バネ部材
40…ハウジング 41…収容空間
42…筒状本体部 46…引掛孔
50…カバー 51b…係止爪
53…ガイド筒部 56…突条部
60…カム 70…内針ハブ
75…隙間 77…突出部
78…連通口部
Claims (6)
- カテーテルと、
前記カテーテルを保持するカテーテルハブと、
前記カテーテルの内部を挿通可能な内針と、
前記カテーテルハブを保持し、前記カテーテルハブの前進に基づき前記内針を後退させる作用力を付与して該内針を内部に収容する内針収容部と、を備え、
前記内針収容部は、
前記内針の少なくとも針先を囲い前記内針の針先が前記内針収容部に収容された後に前記カテーテルハブから離脱可能となるカバーと、
前記カバーを相対移動可能に保持するハウジングと、
前記内針を保持し、且つ前記カバーが前記ハウジングと相対的に前進して所定位置に至った際に前記ハウジングの基端側に後退する内針ハブと、
前記内針ハブに定常的に前記作用力を付与する針駆動部と、
前記ハウジングと前記内針ハブを前記針駆動部の前記作用力に抗して拘束し、前記カバーが前記所定位置に至った際に拘束を解除する拘束部と、を備え、
前記ハウジングは、前記拘束部を係止する係止部を有し、
前記拘束部は、前記カバーの周面に摺動可能に配置された状態で前記係止部に係止される
ことを特徴とするカテーテル組立体。 - 請求項1記載のカテーテル組立体において、
前記内針収容部は、前記内針の針先が前記内針収容部に収容されたときに、前記ハウジングと前記カバーとで前記内針の全体を囲う
ことを特徴とするカテーテル組立体。 - 請求項1又は2記載のカテーテル組立体において、
前記カバーの周面には、前記拘束部の摺動を案内する一対の突条部が形成され、
前記内針ハブは、前記突条部に対応する位置に前記一対の突条部を挿入可能な突出部を有する
ことを特徴とするカテーテル組立体。 - 請求項3記載のカテーテル組立体において、
前記ハウジングは、前記突出部の進退を許容する長軸と、前記係止部を有する短軸とを備えた断面楕円状の筒部を含む
ことを特徴とするカテーテル組立体。 - 請求項1〜4のいずれか1項に記載のカテーテル組立体において、
前記カバーは、前記ハウジングの内側に設けられている
ことを特徴とするカテーテル組立体。 - 請求項1〜5のいずれか1項に記載のカテーテル組立体において、
前記カテーテルハブは、前記カバーが挿入される内部空間と、前記内部空間を構成する周壁に形成された溝部と、を含み、
前記カバーには、外側に突出し前記溝部に引っ掛かり可能な係止爪が設けられ、
前記係止爪の突出方向の反対側に前記内針が配置されることで前記係止爪の内側への変位が規制される
ことを特徴とするカテーテル組立体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014048384A JP6254024B2 (ja) | 2014-03-12 | 2014-03-12 | カテーテル組立体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014048384A JP6254024B2 (ja) | 2014-03-12 | 2014-03-12 | カテーテル組立体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015171451A JP2015171451A (ja) | 2015-10-01 |
JP6254024B2 true JP6254024B2 (ja) | 2017-12-27 |
Family
ID=54259207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014048384A Active JP6254024B2 (ja) | 2014-03-12 | 2014-03-12 | カテーテル組立体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6254024B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018026878A1 (en) * | 2016-08-02 | 2018-02-08 | Avent, Inc. | Motor-assisted needle guide assembly for ultrasound needle placement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5989220A (en) * | 1998-05-26 | 1999-11-23 | Retractable Technologies Inc. | Self-retracting IV catheter introducer |
JP2011056010A (ja) * | 2009-09-09 | 2011-03-24 | Top Corp | 留置針組立体 |
-
2014
- 2014-03-12 JP JP2014048384A patent/JP6254024B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2015171451A (ja) | 2015-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6966592B2 (ja) | カテーテル組立体 | |
JP4921779B2 (ja) | 留置針 | |
EP3006074B1 (en) | Catheter assembly | |
JP6832076B2 (ja) | 注射器補助具 | |
JPWO2007083770A1 (ja) | 医療用針装置 | |
WO2015115316A1 (ja) | カテーテル組立体 | |
EP3275499B1 (en) | Catheter assembly | |
US20180243509A1 (en) | Grip and syringe assembly | |
US20190175878A1 (en) | Catheter assembly | |
JP6254024B2 (ja) | カテーテル組立体 | |
JP6594034B2 (ja) | カテーテル組立体 | |
WO2016088424A1 (ja) | カテーテル組立体及びその製造方法 | |
WO2013141347A1 (ja) | 穿刺具 | |
JP6251064B2 (ja) | 穿刺ユニット及び薬液投与ユニット | |
CN110177590B (zh) | 保护套和医用针组件 | |
JP6144936B2 (ja) | 穿刺具 | |
TWI241201B (en) | Protector for indwelling needle having wings | |
WO2014196243A1 (ja) | カテーテル組立体 | |
JP6203928B2 (ja) | 穿刺具 | |
WO2016152378A1 (ja) | カテーテル組立体 | |
US20230338668A1 (en) | Safety Device for Preventing Needle Stick Injury with a Needle of a Medical Injection Device | |
EP4197573A1 (en) | Winged needle assembly, packaging material for winged needle assembly, cap for winged needle assembly, and winged needle assembly set | |
JP6393225B2 (ja) | コネクタ | |
JP5818512B2 (ja) | プロテクタ付き医療用針 | |
JP2010000276A (ja) | 留置針 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161206 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170809 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170822 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171019 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171031 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171129 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6254024 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |