517 081 the disclosure of which is incorporated herein by this reference to couple the dialyzer 14 to the dialyzer reprocessor 20 the coupling device 10 is first coupled to the dialyzer 14 by rotating the coupling device 10 to engage the luer type connector 26 provided on the coupling device adapter 10 to the luer type connector structure 12 provided on the dialyzer 14 in the disclosed embodiment the luer type connector provided on the adapter defines a tapered interior bore 44 for receiving the tapered luer tip 22 of the luer connector 12 on the dialyzer and a screw thread 28 or luer tabs or ears defined on the exterior surface of adapter 10 for engaging screw threads not shown defined on the interior of the shroud 24 encircling the luer tip 22 of the blood port connector 12 once the coupling device 10 has been coupled to the dialyzer 14 the male quick connect coupling end 48 of the adapter 10 can be axially inserted into the complimentary female quick connect disconnect connector 16 provided on the free end of the blood line tube 18 in a known manner a radial locking structure such as a spring biased clip 56 engages the locking groove 54 of the adapter 10 to axially lock the adapter relative to the blood line tube as is apparent from the foregoing the adapter provided in accordance with the invention simplifies the connection process and allows the operator to perform a more significant disinfection process e g by soaking the coupling device indeed the connector provided in accordance with the invention allows the user to remove it after each use and soak it in a disinfecting agent while using another already disinfected connector for the next cycle a better easier disinfectant.