The luer lock helps to ensure that the needle or tube attached will remain secure throughout the administration process of a treatment.
Securing a proper connection between needle and patient to ensure that there are no issues when it comes to the venous lines or ports to the arteriole lines.
Luer lock on your syringe avoids the chances the needle could be lost in the patient.
This technique avoids contamination occurring as the port can be cleaned and fresh syringes can be used instead of injecting patients with a port that has been used multiple times with different patients.
The luer lock ensures a tight fit between the connectors and the needles.