MEDICAL LUER CONNECTOR WITH COLLAR ABUTMENT TO PREVENT OVERTIGHTENING

摘要

Medical device for use with syringes (10) including syringes having rotatable internal threaded collars (14) susceptible to inadvertent over tightening leading to undesirable collar detachment. The medical devices include a syringe port (33) having an external screw thread (33B), a distal free end surface (33C), and a collar abutment arrangement (71/72) for stopping screw thread advancement of a collar along the screw thread subsequent to secure screw threading thereon and preventing inadvertent over tightening of the collar.