Patent ID: 6929655

Claim:
Tamping mechanism for the sealing of a percutaneous puncture in the wall of a vessel, which sealing procedure comprises the steps of inserting an inner seal ( 1 ) into the vessel by a pusher ( 5 ; 30 ), pushing an outer seal ( 2 ) into engagement with the outer vessel wall, and tamping the inner seal ( 1 ) and the outer seal ( 2 ) together around the intermediate vessel wall by a clamping member ( 3 ), characterized in that the tamping mechanism, which is accommodated in a housing ( 9 ), comprises the pusher ( 5 ; 30 ), the clamping member ( 3 ), a tamping button ( 8 ) being operatively connected to a plunger ( 14 ; 29 ), an elongated tamping member ( 10 ) being able to transmit the pressure force from the plunger ( 14 ; 29 ) to the outer seal ( 2 ), and a motion transforming assembly ( 15 ; 28 ), which transforms a single manual operation of the tamping button ( 8 ) in the forward direction into two actions, the first action comprising the retraction of the pusher ( 5 ; 30 ), and the second action comprising the advancement of the outer seal ( 2 ) into engagement with the outer vessel wall.