Patent ID: 7762812

Claim:
Medical handset having a nozzle with at least one nozzle line for supplying a medically active medium, a head part with a connecting part for the exchangeable connection of the head part to the nozzle and having at least one supply line, characterized in that the at least one supply line is connectable to at least one nozzle line by a sealing-tight interference fit of a sealing face on the nozzle and a sealing face on the head part; characterized in that the sealing face on the head part is disposed at the end of a T-tongue of the head part on the handset, into which tongue a T-groove on the nozzle is insertable, which bears the sealing face on the nozzle; and characterized in that a lower slide groove width is larger than an upper slide groove width of the T-groove on the nozzle so that the lower thickness of the sealing face on the nozzle is smaller than the upper thickness of the sealing face on the nozzle, the lower thickness of the sealing face on the nozzle being smaller than the T-tongue width of the T-tongue on the head part, but the upper thickness of the sealing face on the nozzle being larger than the T-tongue width.