Patent ID: 7393348

Claim:
Two-part medical instrument, comprising: a first part having an integral peg; and a second part having a peg receiver; wherein: the first part and the second part are connected to one another by a peg/peg receiver connection; the first part is made of a plastics material; the peg has a one-piece peg body with a continuous cylindrical surface and a continuous surrounding edge bead; said edge bead has a larger diameter than the peg body for securing the peg in the peg receiver and forming the peg/peg receiver connection; said peg receiver has a first opening that receives the peg body and a second opening that receives the edge bead; said edge bead having a larger diameter than the first opening; said second opening having a larger diameter than the first opening; said second opening having a contact surface which prevents the movement of the second part and the first part away from each other by contact with the edge bead; and the peg with the peg body and edge bead is elastic and pushable through the first opening into said peg receiver.