WYSZOGRODZKI, WOJCIECH,JANKOWSKI, ANDRZEJ,URBAN, PIOTR,NOWICKI, ADAM
申请号：
CA2613255
公开号：
CA2613255C
申请日:
2006.06.22
申请国别(地区):
CA
年份:
2017
代理人:
摘要：
The device comprises a body (2) and placed therein a needle assembly (1) and apush button (3) located in the upper portion of the body (2), whereas theneedle assembly (1) has in its lower portion a sheathed piercing needle (5),and the push button (3) has in its upper portion a press surface, and betweenthe body (2) and the needle assembly (1) a return spring (27) is placed. Thepush button (3) is coupled with the needle assembly (1) by means of abuttingsurface elements (15, 44), whereas during the movement of the push button (3)and after resting the needle assembly (1) on the element (20) of the body (2)and after performing the full-depth piercing, one of the abutting surfaceelements (15, 44) bends, releasing the needle assembly (1) from the thrust ofthe push button (3), whereupon the needle assembly (1) retracts to the insideof the body by means of the return spring (27).
