CN2233747Y - 防回血输液器 - Google Patents

防回血输液器 Download PDF

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Publication number
CN2233747Y
CN2233747Y CN 94219401 CN94219401U CN2233747Y CN 2233747 Y CN2233747 Y CN 2233747Y CN 94219401 CN94219401 CN 94219401 CN 94219401 U CN94219401 U CN 94219401U CN 2233747 Y CN2233747 Y CN 2233747Y
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Prior art keywords
transfusion device
utility
model
dropper
back flow
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Expired - Fee Related
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CN 94219401
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孙德超
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Individual
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Abstract

一种防回血输液器,它属于医疗器械技术领域。主要由滴管、上输液管、下输液管和止回塞组成。本实用新型设计合理、结构简单、大大减轻了病人的痛苦和经济负担,是人们一种理想的输液器。

Description

防回血输液器
本实用新型涉及一种一次性防回血输液器,它属于医疗器械技术领域。目前临床上所使用的输液器当药液输完后,需要继续加输药液时,由于不能起针而引起输液管中回血的弊端;若血液在针头中及输液管中凝固便需要更换输液器,二次扎针,给病人带来很大的痛苦和经济负担。
本实用新型的目的在于克服上述缺点,提供一种能防止血液回流的一次性防回血输液器。
本实用新型是采用以下技术方案实现的,现根据附图加以说明。
附图说明:
图1是本实用新型结构示意图。
图2是药液输完时滴管状态图。
图3是止回塞结构示意图。
如图1所示:针头刺入输液瓶(1)中,滴管(3)的上端和上输液管(2)联接,其下端和下输液管(5)联接,滴管(3)内设有止回塞(4),止回塞的形状如图3所示,其上部为半球体,下部为园锥体,中间为空心的密闭部件。止回塞的锥体锥度与滴管下端口的锥度相同。
使用时,止回塞(4)浮于滴管(3)内药液面上,当药液输完,止回塞(4)落入滴管(3)的下端口中,使下输液管中的药液不再继续下降,从而保持一定的液压,此液压大于人体血压,因此使输液者血液不致倒流,防止了回血的发生。
该产品设计合理,结构简单,安全可靠,大大减轻了病人的痛苦和经济负担,是人们一种理想的医疗器械。

Claims (3)

1、一种防回血输液器,主要由滴管、上输液管和下输液管组成,其特征在于:滴管(3)内设有止回塞(4)。
2、根据权利要求1所述的输液器,其特征在于:止回塞(4)的上部为半球体,下部为园锥体,中间为空心的密闭部件。
3、根据权利要求1所述的输液器,其特征在于:止回塞(4)锥体的锥度与滴管(3)下端口的锥度相同。
CN 94219401 1994-08-19 1994-08-19 防回血输液器 Expired - Fee Related CN2233747Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94219401 CN2233747Y (zh) 1994-08-19 1994-08-19 防回血输液器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94219401 CN2233747Y (zh) 1994-08-19 1994-08-19 防回血输液器

Publications (1)

Publication Number Publication Date
CN2233747Y true CN2233747Y (zh) 1996-08-28

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ID=33834284

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94219401 Expired - Fee Related CN2233747Y (zh) 1994-08-19 1994-08-19 防回血输液器

Country Status (1)

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CN (1) CN2233747Y (zh)

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