CN201189191Y - 一种可防止拔针时针体转动的安全内瘘针 - Google Patents

一种可防止拔针时针体转动的安全内瘘针 Download PDF

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Publication number
CN201189191Y
CN201189191Y CNU200820047774XU CN200820047774U CN201189191Y CN 201189191 Y CN201189191 Y CN 201189191Y CN U200820047774X U CNU200820047774X U CN U200820047774XU CN 200820047774 U CN200820047774 U CN 200820047774U CN 201189191 Y CN201189191 Y CN 201189191Y
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China
Prior art keywords
needle
needle body
chute
internal fistula
preventing
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Inventor
莫俭强
陈建华
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GUANGDONG BAIHE MEDICAL TECHNOLOGY Co Ltd
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马立勋
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Abstract

本实用新型公开一种可防止拔针时针体转动的安全内瘘针，包括有穿刺针连接管和针体保护套，穿刺针连接管与针体保护套之间通过滑动块和滑槽配合滑动；在滑槽的末端成型有宽度大于滑槽的锁紧腔，该锁紧腔内设置有一对互成“V”形状的弹性锁条；在穿刺针连接管上成型有滑动块，而在针体保护套的套孔内成型有滑槽；在穿刺针连接管上成型有滑槽，而在针体保护套的套孔内成型有滑动块。采用上述技术方案后，利用滑动块和滑槽的配合，限制针体的转动，从而减少病人在穿刺和拔针时的痛苦。

Description

一种可防止拔针时针体转动的安全内瘘针
技术领域：
本实用新型涉及医疗器械技术领域，特指一种可防止拔针时针体转动的安全内瘘针。
背景技术：
当前做血液透析的病人都需要利用内瘘针穿刺成熟的内瘘，建立临时的血液通道，而现有技术的内瘘针为了防止医护人员在操作的过程被针头刺伤，在针体连接管上套装一保护套，使用这种内瘘针时医护人员在穿刺和拔针的过程容易使针体转动，增加病人的痛苦。
发明内容：
本实用新型的目的是为了克服上述现有技术的缺点，提供一种可防止拔针时针体转动的安全内瘘针。
为实现上述目的，本实用新型提供的技术方案为：一种可防止拔针时针体转动的安全内瘘针，包括有穿刺针连接管和针体保护套，穿刺针连接管与针体保护套之间通过滑动块和滑槽配合滑动。
本实用新型作如下的进一步改进：
在滑槽的末端成型有宽度大于滑槽的锁紧腔，该锁紧腔内设置有一对互成“V”形状的弹性锁条。
在穿刺针连接管上成型有滑动块，而在针体保护套的套孔内成型有滑槽。
在穿刺针连接管上成型有滑槽，而在针体保护套的套孔内成型有滑动块。
采用上述技术方案后，利用滑动块和滑槽的配合，限制针体的转动，从而减少病人在穿刺和拔针时的痛苦。
附图说明：
图1是本实用新型内瘘针的针体保护套包裹针体后的立体结构图；
图2是本实用新型内瘘针的针体保护套包裹针体前的立体结构图；
图3是本实用新型内瘘针的立体分解图；
图4是本实用新型内瘘针的针体保护套的剖视图。
具体实施方式：
现结合附图1～图4详细阐述本实用新型：
本安全内瘘针包括有穿刺针连接管1和针体保护套2，在穿刺针连接管1上成型有一对滑动块3，而在针体保护套2的套孔4内成型有一对与滑动块3配合的滑槽5，在滑槽5的末端成型有宽度大于滑槽5的锁紧腔6，该锁紧腔6内设置有一对互成“V”形状的弹性锁条7，当滑动块3滑至滑槽5的末端时，顶开弹性锁条7，当整个滑动块3完全进入锁紧腔6内后，弹性锁条7复位，实现滑动块3的锁紧。
上述的滑动块3也可以成型在针体保护套2的套孔4内，而滑槽5成型在穿刺针连接管1上，这样也能实现本实用新型的目的。

Claims (4)

1.一种可防止拔针时针体转动的安全内瘘针，包括有穿刺针连接管(1)和针体保护套(2)，其特征在于：穿刺针连接管(1)与针体保护套(2)之间通过滑动块(3)和滑槽(5)配合滑动。
2.根据权利要求1所述的一种可防止拔针时针体转动的安全内瘘针，其特征在于：在滑槽(5)的末端成型有宽度大于滑槽(5)的锁紧腔(6)，该锁紧腔(6)内设置一对互成“V”形状的弹性锁条(7)。
3.根据权利要求1或2所述的一种可防止拔针时针体转动的安全内瘘针，其特征在于：在穿刺针连接管(1)上成型有滑动块(3)，而在针体保护套(2)的套孔(4)内成型有滑槽(5)。
4.根据权利要求1或2所述的一种可防止拔针时针体转动的安全内瘘针，其特征在于：在穿刺针连接管(1)上成型有滑槽(5)，而在针体保护套(2)的套孔(4)内成型有滑动块(3)。
CNU200820047774XU 2008-05-15 2008-05-15 一种可防止拔针时针体转动的安全内瘘针 Expired - Lifetime CN201189191Y (zh)

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CNU200820047774XU CN201189191Y (zh) 2008-05-15 2008-05-15 一种可防止拔针时针体转动的安全内瘘针

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CNU200820047774XU CN201189191Y (zh) 2008-05-15 2008-05-15 一种可防止拔针时针体转动的安全内瘘针

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689394A (zh) * 2015-03-17 2015-06-10 陈红 一种新型防护内瘘针

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689394A (zh) * 2015-03-17 2015-06-10 陈红 一种新型防护内瘘针

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Denomination of utility model: Safe internal fistula needle capable of preventing needle rotating during withdrawing the needle

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