As for this invention, inside the computer and the computer which are demarcated the proximal edge and the distal end (8) by although the installation base which movement possibly is installed (3 and 7) with, the installation base (3 and 7) at least one which is locked needle (4) and the installation base (3 and 7) in the aforementioned distal end Drive the Drive means which are suited (1 and 2) with it includes, the aforementioned installation base (3 and 7), the needle to include the distance aspect where (4) extends on in regard to the needle interposition device, the aforementioned distal end (8), systemIt includes the zone of contact which designates contact as purpose, the installation base (3 and 7), in order Drive means (1) after the activating, the distance aspect to reach to the position where it is more distant than aforementioned contact area vis-a-vis the aforementioned proximal edge, it is constituted, this device is formed furthermore, in order the installation base (3 and 7) progressive passive carriage return movement after reaching to aforementioned position, to make possible.< Choice figure > Drawing 2本発明は、近位端および遠位端(8)によって画定された本体と、本体の内側に移動可能に取り付けられた取付台(3、7)と、取付台(3、7)に固定された少なくとも1つの針(4)と、取付台(3、7)を前記遠位端の方に駆動するのに適した駆動手段(1、2)とを含む、針挿入デバイスに関し、前記取付台(3、7)は、針(4)が上に突き出る遠位面を含み、前記遠位端(8)は、組織との接触を目的とした接触領域を含み、取付台(3、7)は、駆動手段(1)の起動後に、その遠位面が前記近位端に対して前記接触区域よりも遠い位置に達するように構成され、このデバイスはさらに、取付台(3、7)の漸進的な受動的復帰移動を前記位置に達した後に可能にするように構成される。【選択図】 図2
