fail-safe hook-back 保安型门背钩
When erasing an element from the container, the container puts the hook in the safe state again.
从容器中删除一个元素时，容器再次将钩子置回安全状态。
The aim of the present invention is to provide a vacuum hook which can be firmly attached with a smooth surface with safe, sanitary and convenient use.
本发明的目的是 提供一种可与光滑面牢固贴合，使用安全、卫生且方便一种真空挂钩。
Conclusions: Using absorbable sutures and coagulation hook instead of clips and harmonic scalpel is a safe, reliable and more economical method for LC, and can avoid the complications caused by clips.
结论：LC术中使用可吸收缝线、电凝钩取代夹子和超声刀进行胆囊切除的方法经济、安全、可靠，能有效地避免使用夹子所致的并发症，可减少患者的医疗费用。
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