JPS6045039U - non-return valve - Google Patents

non-return valve

Info

Publication number
JPS6045039U
JPS6045039U JP13826583U JP13826583U JPS6045039U JP S6045039 U JPS6045039 U JP S6045039U JP 13826583 U JP13826583 U JP 13826583U JP 13826583 U JP13826583 U JP 13826583U JP S6045039 U JPS6045039 U JP S6045039U
Authority
JP
Japan
Prior art keywords
tubular member
check valve
valve body
diameter
valve
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.)
Granted
Application number
JP13826583U
Other languages
Japanese (ja)
Other versions
JPH019580Y2 (en
Inventor
宏隆 村手
裕 横山
Original Assignee
テルモ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Priority to JP13826583U priority Critical patent/JPS6045039U/en
Publication of JPS6045039U publication Critical patent/JPS6045039U/en
Application granted granted Critical
Publication of JPH019580Y2 publication Critical patent/JPH019580Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Branch Pipes, Bends, And The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第３図は、従来の逆止弁の縦断面図、第４
図は本考案の逆止弁の縦断面図、第５図は、本考案の逆
止弁の変形例の縦断面図、第６図は、本考案の逆止弁の
他の変形例の横断面図、第７図は、本考案の逆止弁の使
用状態を示す縦断面図、第８図は、本考案の逆止弁の使
用状態を示す横断面図である。 １・・・管状部材、２・・・可撓性部材、３・・・チュ
ーブ、４・・・弁体、５・・・開口部、６・・・先端部
、７・・・開口部、訃・・薬液注入器、１０・・・管状
部材、１２・・・弁体、１４・・・管状体、１６・・・
開口端、１８・・・凹部、２０・・・胴部、２２・・・
頭部、２４・・・係止部、２６・・・薬液注入器、２Ｂ
・・・先端部、３０・・・肉厚部。 平；嘔 ／ｆ１゜ １　　＼　！／θFigures 1 to 3 are vertical cross-sectional views of conventional check valves,
The figure is a longitudinal cross-sectional view of the check valve of the present invention, Figure 5 is a longitudinal cross-sectional view of a modified example of the check valve of the present invention, and Figure 6 is a cross-sectional view of another modified example of the check valve of the present invention. FIG. 7 is a longitudinal cross-sectional view showing the check valve of the present invention in use, and FIG. 8 is a cross-sectional view showing the check valve of the present invention in use. DESCRIPTION OF SYMBOLS 1... Tubular member, 2... Flexible member, 3... Tube, 4... Valve body, 5... Opening part, 6... Tip part, 7... Opening part, Death: Liquid injector, 10: Tubular member, 12: Valve body, 14: Tubular body, 16:
Opening end, 18... recess, 20... body, 22...
Head, 24...Locking part, 26...Medicine injector, 2B
... Tip part, 30... Thick part. Flat; vo/f1゜1 \! /θ

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）一端が開口端であって他端が医療器の管状体と接
続される接続開口部である管状部材と、該管状部材の内
部に設けられ、通常状態において該管状部材の内壁との
間で実質的に液密状態を維持する弁体とからなる逆止弁
において、′該弁体は、可撓性材料からなり、かつ、前
記管状部材の前記一端よりやや内方に設けられており、
さらに、該弁体は、前記管状部材の内壁に少なくとも他
端側周辺が密着する胴部と、該胴部の前記管状部材の前
記一端側端部に、前記胴部の外径とほぼ等しいかまたは
小径の基端外径を有し、先端に向って縮径化する頭部と
、該胴部の他端側より胴部内部に設けられた凹部を有す
ることを特徴とする逆止弁。(1) A tubular member whose one end is an open end and whose other end is a connection opening connected to a tubular body of a medical device, and which is provided inside the tubular member and is connected to the inner wall of the tubular member in a normal state. A check valve comprising a valve body that maintains a substantially liquid-tight state between the valve body, the valve body being made of a flexible material and provided slightly inward from the one end of the tubular member. Ori,
Further, the valve body includes a body portion whose periphery at least on the other end side is in close contact with an inner wall of the tubular member, and a body portion having a diameter approximately equal to the outer diameter of the body portion at the end portion of the body portion on the one end side of the tubular member. Alternatively, a check valve characterized by having a head having a small outer diameter at the base end and decreasing in diameter toward the distal end, and a recess provided inside the body from the other end side of the body. （２）前記弁体の頭部が円錐形である実用新案登録請求
の範囲第１項記載の逆止弁。(2) The check valve according to claim 1, wherein the head of the valve body is conical. （３）前記弁体の凹部直径が前記胴部の外径の２／３以
上である実用新案登録請求の範囲第１項または第２項記
載の逆止弁。(3) The check valve according to claim 1 or 2, wherein the diameter of the concave portion of the valve body is 2/3 or more of the outer diameter of the body. （４）前記弁体の凹部は円柱形空間である実用新案登録
請求の範囲第１項ないし第３項のいずれかに記載の逆止
弁。(4) The check valve according to any one of claims 1 to 3, wherein the concave portion of the valve body is a cylindrical space.
JP13826583U 1983-09-06 1983-09-06 non-return valve Granted JPS6045039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13826583U JPS6045039U (en) 1983-09-06 1983-09-06 non-return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13826583U JPS6045039U (en) 1983-09-06 1983-09-06 non-return valve

Publications (2)

Publication Number Publication Date
JPS6045039U true JPS6045039U (en) 1985-03-29
JPH019580Y2 JPH019580Y2 (en) 1989-03-16

Family

ID=30310290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13826583U Granted JPS6045039U (en) 1983-09-06 1983-09-06 non-return valve

Country Status (1)

Country Link
JP (1) JPS6045039U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104372A (en) * 1988-10-14 1990-04-17 Nissho Corp Service time communication tool
WO2001043814A1 (en) * 1999-12-17 2001-06-21 Terumo Kabushiki Kaisha Connector
WO2001043813A1 (en) * 1999-12-17 2001-06-21 Terumo Kabushiki Kaisha Connector
WO2001047583A1 (en) * 1999-12-28 2001-07-05 Otsuka Pharmaceutical Factory, Inc. Check valve, and syringe using the same
JP2013238608A (en) * 2010-09-08 2013-11-28 Covidien Lp Needleless sampling port
JP2015521933A (en) * 2012-07-09 2015-08-03 インドゥストリー・ボルラ・ソシエタ・ペル・アチオニＩｎｄｕｓｔｒｉｅ Ｂｏｒｌａ Ｓ．ｐ．Ａ． Medical line flow system
JP2015533613A (en) * 2012-11-09 2015-11-26 ケアフュージョン ３０３、インコーポレイテッド Needleless valve system without tail

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3389983B2 (en) * 1997-10-23 2003-03-24 株式会社ジェイ・エム・エス Medical injection port

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104372A (en) * 1988-10-14 1990-04-17 Nissho Corp Service time communication tool
WO2001043814A1 (en) * 1999-12-17 2001-06-21 Terumo Kabushiki Kaisha Connector
WO2001043813A1 (en) * 1999-12-17 2001-06-21 Terumo Kabushiki Kaisha Connector
WO2001047583A1 (en) * 1999-12-28 2001-07-05 Otsuka Pharmaceutical Factory, Inc. Check valve, and syringe using the same
JP2013238608A (en) * 2010-09-08 2013-11-28 Covidien Lp Needleless sampling port
JP2015521933A (en) * 2012-07-09 2015-08-03 インドゥストリー・ボルラ・ソシエタ・ペル・アチオニＩｎｄｕｓｔｒｉｅ Ｂｏｒｌａ Ｓ．ｐ．Ａ． Medical line flow system
JP2015533613A (en) * 2012-11-09 2015-11-26 ケアフュージョン ３０３、インコーポレイテッド Needleless valve system without tail
US9861804B2 (en) 2012-11-09 2018-01-09 Carefusion 303, Inc. Compressible needleless valve assembly
US11033725B2 (en) 2012-11-09 2021-06-15 Carefusion 303, Inc. Compressible needleless valve assembly

Also Published As

Publication number Publication date
JPH019580Y2 (en) 1989-03-16

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