CN2469933Y - 无残留自毁注射器 - Google Patents

无残留自毁注射器 Download PDF

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Publication number
CN2469933Y
CN2469933Y CN 01209081 CN01209081U CN2469933Y CN 2469933 Y CN2469933 Y CN 2469933Y CN 01209081 CN01209081 CN 01209081 CN 01209081 U CN01209081 U CN 01209081U CN 2469933 Y CN2469933 Y CN 2469933Y
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self
injector
syringe
residua
noresidue
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Expired - Fee Related
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CN 01209081
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谢世庚
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Abstract

本实用新型涉及医疗器械的范畴,是一种无残留自毁注射器。这种注射器只需在一次性使用注射器的锥孔内插入一支穿孔针并伸入外套内。产生残留的锥孔被穿孔针填塞所以无残留。注射完后穿孔针将封闭活塞气孔的薄膜刺破。这种注射器具有无残留自毁的性能,而且工艺简单。

Description

无残留自毁注射器
本实用新型涉及医疗器械的范畴,特别是无残留自毁注射器。
一次性使用注射器,锥孔内都存有残留的药液,不但造成浪费,甚至可能影响疗效。一次性使用注射器用后如不毁形就可能被重复使用,造成交叉感染。
为解决这些问题,近年来已有无残留注射器和自毁注射器问世,但都由于工艺复杂或成本太贵难以推广。尚未发现同时具备无残留和自毁作用的注射器。
本实用新型的目的是要提供一种改进的无残留自毁注射器,它不但同时具有无残留和自毁性能,而且工艺简单,成本低。
本实用新型的目的是这样实现的:在注射器的锥孔内插入一支穿孔针,穿孔针伸入到外套内。外套内的活塞的中央有一个气孔,气孔被薄膜封闭。由于产生残留药液的锥孔被穿孔针填塞,所以这种注射器无残留。进行注射时活塞被推向注射器的封底端,当活塞推到封底处药液被注射完,穿孔针将气孔的薄膜刺破达到自毁作用。
本实用新型因为只需在现在注射器的锥孔内插入一支穿孔针,用薄膜将活塞的气孔封闭。工艺特别简单,所以成本也低。同时具有无残留和自毁功能。
实用新型的具体结构由以下的实施例及其附图给出。
图1是根据本实用新型提出的无残留自毁注射器的剖面衅。
下面结合图1详细说明依据本实用新型提出的具体装置的细节及工作情况。
该注射器包括一个外套主体(1),在主体的锥孔内插入一支穿孔针(2),活塞(3)的中央有一个气孔(4),气孔被薄膜(5)封闭。
在进行注射时,活塞(3)沿箭头(6)所示方向移动,药液经穿孔针(2)的针孔(7)进入注射针(图中未画出)。当活塞(3)移到封底时穿孔针(2)将气孔(4)的薄膜(5)刺破。

Claims (3)

1、无残留自毁注射器有一个外套(1),其特征在于在外套(1)的锥孔内插入一支穿孔针(2),穿孔针(2)伸入外套(1)内。
2、根据权利要求书1所述的无残留自毁注射器,其特征在于活塞的中央有一个气孔(4)。
3、根据权利要求2所述的注射器活塞(3),其特征在于气孔(4)被薄膜(5)封闭。
CN 01209081 2001-03-12 2001-03-12 无残留自毁注射器 Expired - Fee Related CN2469933Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01209081 CN2469933Y (zh) 2001-03-12 2001-03-12 无残留自毁注射器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01209081 CN2469933Y (zh) 2001-03-12 2001-03-12 无残留自毁注射器

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CN2469933Y true CN2469933Y (zh) 2002-01-09

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CN 01209081 Expired - Fee Related CN2469933Y (zh) 2001-03-12 2001-03-12 无残留自毁注射器

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006131074A1 (en) * 2005-06-09 2006-12-14 Jishui Ying Self-destructed disposable syringe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006131074A1 (en) * 2005-06-09 2006-12-14 Jishui Ying Self-destructed disposable syringe

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Guangdong kangermei province Dianbai County medical instrument limited company

Assignor: Xie Shigeng

Contract fulfillment period: Term of validity of the contract, validity of the patent right

Contract record no.: Contract filing No. 031000030240

Denomination of utility model: Utility model name no residue self destruction syringe

Granted publication date: 20020109

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Record date: 20030928

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