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    • 3. 发明申请
    • SAFETY SYRINGE
    • 安全注射器
    • WO2004091698A8
    • 2005-12-01
    • PCT/CN2004000350
    • 2004-04-14
    • WANG XIPING
    • WANG XIPING
    • A61M5/178A61M5/32A61M5/50
    • A61M5/326A61M5/3271A61M2005/3247A61M2005/3261A61M2005/3264A61M2005/5073
    • The present invention relates to a safety syringe fearuring simple structure and convenient application and low cost, which comprises slide sleeve, needle, cylinder, piston, locking sleeve, spring and plunger that mounted in the cylinder, and has functions of needle protection and self-destruction. The syringe can be operated with one hand to inject and unlock safety means, the slide sleeve is automatically positioned and bidirectional locked, so as to ensure the needle to be protected by the slide sleeve after ejection. The syringe has reliable self-locking function, the plunger is locked in the cylinder and can not be taken back after injection, otherwise, it will break, that is, the syringe is damaged by itself.
    • 本发明涉及一种安全注射器,其结构简单,使用方便,成本低廉,包括安装在气缸中的滑套,针,气缸,活塞,锁紧套筒,弹簧和柱塞,具有针头保护和自锁功能, 破坏。 注射器可以用一只手操作以注射和解锁安全装置,滑动套筒自动定位和双向锁定,以确保针头在弹出后被滑动套筒保护。 注射器具有可靠的自锁功能,柱塞锁定在气缸中,注射后不能回收,否则会破裂,即注射器本身损坏。