CN203379419U - 新型自动止液式输液器 - Google Patents

新型自动止液式输液器 Download PDF

Info

Publication number
CN203379419U
CN203379419U CN201320335229.1U CN201320335229U CN203379419U CN 203379419 U CN203379419 U CN 203379419U CN 201320335229 U CN201320335229 U CN 201320335229U CN 203379419 U CN203379419 U CN 203379419U
Authority
CN
China
Prior art keywords
hydrophilic matrix
liquid
cavity
automatic liquid
novel automatic
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.)
Expired - Fee Related
Application number
CN201320335229.1U
Other languages
English (en)
Inventor
丘梅丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Pingan Medical Devices Technology Co., Ltd.
Original Assignee
丘梅丽
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 丘梅丽 filed Critical 丘梅丽
Priority to CN201320335229.1U priority Critical patent/CN203379419U/zh
Application granted granted Critical
Publication of CN203379419U publication Critical patent/CN203379419U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/541—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms
    • B29C66/5412—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms said substantially flat extra element being flexible, e.g. a membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7317—Hydrophilicity or hydrophobicity
    • B29C66/73171—Hydrophilicity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor

Abstract

本实用新型涉及新型自动止液式输液器，属于医疗器械技术领域。本实用新型的特点是亲水基质边沿被牢固的压在滴斗盖与滴管之间，亲水基质上、下部分形成空腔，滴斗盖、滴管和滴斗经超声波焊接或粘合牢固且密封，亲水基质的平均孔径或间隙宽度不超过50μm。正常输液过程中，亲水基质空腔的上下部分被液体浸泡，液体顺利通过，当输液瓶内的液体输注完毕，空腔上部基本为气体时，液体在亲水基质表面形成张力，亲水基质所有以下部分液体高度所形成的负压不足以破坏亲水基质表面张力，空气无法继续通过亲水基质，达到输液自动停止的目的。

Description

新型自动止液式输液器
所属技术领域
本实用新型涉及新型自动止液式输液器，属于医疗器械技术领域。
背景技术
输液器在临床上已被广泛应用，常规输液器在每瓶液体输液结束时，如不及时更换输液瓶或取下输液器，容易带来回血，且气泡容易进入人体，带来安全隐患。
发明内容
本实用新型提供了新型自动止液式输液器，它具有在输液结束时自动止液而防止回血、避免空气进入人体的特点，且产品结构简单、使用便捷。
本实用新型解决其技术问题所采用的技术方案是：利用亲水基质的表面张力实现止液。亲水基质边沿被牢固的压在滴斗盖与滴管之间，亲水基质上、下部分形成空腔，滴斗盖、滴管和滴斗经超声波焊接或粘合牢固且密封，亲水基质的平均孔径或间隙宽度不超过50μm。正常输液过程中，亲水基质空腔的上下部分被液体浸泡，液体顺利通过，当输液瓶内的液体输注完毕，空腔上部基本为气体时，液体在亲水基质表面形成张力，亲水基质所有以下部分液体高度所形成的负压不足以破坏亲水基质表面张力，空气无法继续通过亲水基质，达到输液自动停止的目的。更换输液瓶，挤压滴斗，亲水基质又重新被液体浸泡，输液又正常进行。这种新型自动止液式输液器达到了在每瓶液体输液完成时减少回血且避免气泡进入人体的目的。
附图说明
图1、图2是新型自动止液式输液器局部结构示意图
图1和图2中：1.滴斗盖，2.亲水基质，3.滴管，4.空腔，5.滴斗，6.输液瓶
具体实施方式
下面，结合附图说明本实用新型的实施情况：
亲水基质(2)边沿被牢固的压在滴斗盖(1)与滴管(3)之间，亲水基质(2)上、下部分形成空腔(4)，滴斗盖(1)、滴管(3)和滴斗(5)经超声波焊接或粘合牢固且密封，亲水基质(2)的平均孔径或间隙宽度不超过50μm。正常输液过程中，亲水基质(2)空腔(4)的上下部分被液体浸泡，液体顺利通过，当输液瓶内的液体输注完毕，空腔(4)上部基本为气体时，液体在亲水基质(2)表面形成张力，亲水基质(2)所有以下部分液体高度所形成的负压不足以破坏亲水基质(2)的表面张力，空气无法继续通过亲水基质(2)，达到输液自动停止的目的。更换输液瓶，挤压滴斗(5)，亲水基质(2)又重新被液体浸泡，输液又正常进行。这种新型自动止液式输液器达到了在每瓶液体输液完成时减少回血且避免气泡进入人体的目的。

Claims (2)

1.新型自动止液式输液器，其特征在于亲水基质(2)边沿被牢固的压在滴斗盖(1)与滴管(3)之间，亲水基质(2)上、下部分形成空腔(4)，滴斗盖(1)、滴管(3)和滴斗(5)经超声波焊接或粘合牢固且密封。
2.根据权利要求1所述的新型自动止液式输液器，其特征是：亲水基质(2)的平均孔径或间隙宽度不超过50μm。
CN201320335229.1U 2013-06-05 2013-06-05 新型自动止液式输液器 Expired - Fee Related CN203379419U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320335229.1U CN203379419U (zh) 2013-06-05 2013-06-05 新型自动止液式输液器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320335229.1U CN203379419U (zh) 2013-06-05 2013-06-05 新型自动止液式输液器

Publications (1)

Publication Number Publication Date
CN203379419U true CN203379419U (zh) 2014-01-08

Family

ID=49867954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320335229.1U Expired - Fee Related CN203379419U (zh) 2013-06-05 2013-06-05 新型自动止液式输液器

Country Status (1)

Country Link
CN (1) CN203379419U (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016154463A1 (en) * 2015-03-26 2016-09-29 Becton, Dickinson And Company Iv membrane attachment methods
US10201667B2 (en) 2015-03-26 2019-02-12 Becton, Dickinson And Company IV membrane attachment systems and methods
US10232130B2 (en) 2015-03-26 2019-03-19 Becton, Dickinson And Company Anti-run dry membrane
US10646648B2 (en) 2015-04-01 2020-05-12 Becton, Dickinson And Company IV flow management systems and methods
US10702689B2 (en) 2015-03-26 2020-07-07 Becton, Dickinson And Company Auto-stop vent plug

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016154463A1 (en) * 2015-03-26 2016-09-29 Becton, Dickinson And Company Iv membrane attachment methods
JP2018510797A (ja) * 2015-03-26 2018-04-19 ベクトン・ディキンソン・アンド・カンパニーＢｅｃｔｏｎ， Ｄｉｃｋｉｎｓｏｎ Ａｎｄ Ｃｏｍｐａｎｙ Ｉｖ膜取り付け方法
US10105899B2 (en) 2015-03-26 2018-10-23 Becton, Dickinson And Company IV membrane attachment systems and methods
US10201667B2 (en) 2015-03-26 2019-02-12 Becton, Dickinson And Company IV membrane attachment systems and methods
US10232130B2 (en) 2015-03-26 2019-03-19 Becton, Dickinson And Company Anti-run dry membrane
US10702689B2 (en) 2015-03-26 2020-07-07 Becton, Dickinson And Company Auto-stop vent plug
US10926029B2 (en) 2015-03-26 2021-02-23 Becton, Dickinson And Company IV membrane attachment systems and methods
US10973993B2 (en) 2015-03-26 2021-04-13 Becton, Dickinson And Company Anti-run dry membrane
US11744941B2 (en) 2015-03-26 2023-09-05 Becton, Dickinson And Company IV membrane attachment systems and methods
US11826557B2 (en) 2015-03-26 2023-11-28 Becton, Dickinson And Company Anti-run dry membrane
US10646648B2 (en) 2015-04-01 2020-05-12 Becton, Dickinson And Company IV flow management systems and methods
US11617831B2 (en) 2015-04-01 2023-04-04 Becton, Dickinson And Company IV flow management systems and methods

Similar Documents

Publication Publication Date Title
CN203379419U (zh) 新型自动止液式输液器
CN202168987U (zh) 一次性使用自排气自止液输液器
CN104309915B (zh) 药液定量取药器
CN202740544U (zh) 一次性使用自动排气及自动止液输液器
CN202179740U (zh) 一次性使用自排气输液器
CN202920636U (zh) 双通道过滤加药注射器
CN203090048U (zh) 一种防回血的输液器滴斗及防回血输液器
CN203001542U (zh) 一种自动止液式输液器
CN204106714U (zh) 加压式输液装置
CN103405336A (zh) 一种医用双头双塞贴膜输液塞
CN203303421U (zh) 一种双层精密自动止液输液器
CN202777250U (zh) 一种无残留液自排气的输液器滴壶组件
CN208339873U (zh) 一种便于更换净化的输液泵换药装置
CN203609708U (zh) 一次性防脱落输液器
CN103041468B (zh) 一种防回血的输液器滴斗及防回血输液器
CN201949415U (zh) 一次性使用自动排气输液器
CN103505771A (zh) 一种自动止液式输液器
CN204411404U (zh) 一种具有自动止液和防气泡功能的输液器
CN202982781U (zh) 一种新型输液器
CN202724339U (zh) 一种自动止液输液器的滴壶机构
CN202191529U (zh) 自排气限液面贮液输液器
CN204864292U (zh) 一种内置套球的止逆输液器滴壶
CN103212131A (zh) 一次性输液器用滴壶组件
CN202113406U (zh) 止回血式一次性输液器
CN101579542A (zh) 一种瓶塞穿刺针

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HU NAN SAFETY MEDICAL DEVICES CO., LTD.

Free format text: FORMER OWNER: QIU MEILI

Effective date: 20140328

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140328

Address after: 415500 No. 8, Industrial Avenue, Lixian Economic Development Zone, Hunan, Changde

Patentee after: Hunan Pingan Medical Devices Technology Co., Ltd.

Address before: 415500 No. 8, Industrial Avenue, Lixian Economic Development Zone, Hunan, Changde

Patentee before: Qiu Meili

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20150605

EXPY Termination of patent right or utility model