Patent ID: 7081118

Claim:
A medical tool, comprising: a first link part ( 2 ) a second link part ( 3 ), wherein the first link part ( 2 ) is connected with the second link part ( 3 ) via a rotation axis ( 4 ), and a grip element ( 6 , 8 ) and a pliers element ( 5 , 7 ) provided on each link part ( 2 , 3 ), wherein the link parts are operatively associated with each other, wherein the two grip elements ( 6 , 8 ) are provided on a first side relative to the rotation axis ( 4 ) and the two pliers elements ( 5 , 7 ) are provided on a second side lying opposite to the first side, wherein a valve ( 12 ) is seatable in the area of the free axial ends of a pliers element ( 5 , 7 ) and releasably connected by means of a first securing mechanism, wherein a first push button ( 14 ) is provided on the first securing mechanism, via which the connection can be released, wherein the first securing mechanism is essentially formed by an engagement element ( 11 ) as well as by a locking element ( 30 ) in operative association with the push button of the first type ( 14 ), wherein the locking element ( 30 ) is held in the locking position by a spring element ( 26 ), wherein a maximal insertion depth is defined by the contact of an abutment surface ( 22 ) of the pliers element ( 5 , 7 ) with a counter-surface ( 23 ) of the valve ( 12 ), and wherein the counter-surface ( 23 ) of the valve ( 12 ) is mechanically urged against the abutment surface ( 22 ) of the pliers element ( 5 , 7 ) by a force acting in the insertion direction between locking element ( 30 ) and engagement element ( 11 ).