Loading and Removing the Disposable Tubing Set and Other Common OperationsCOBE® Spectra™ Apheresis System • Essentials Guide 4-17Using the Medisystems MasterGuard®Anti-Stick Needle ProtectorInsertion of the Apheresis Needle Set with MasterGuard1 Prepare the venipuncture site according to your standard operatingprocedures.2 Ensure you position the MasterGuard away from the wings so itdoes not interfere with needle insertion.3 Grasp the wings, remove the tip protector, and perform thevenipuncture.4 Secure the needle tubing according to your standard operatingprocedures.Removal of the Apheresis Needle Set with MasterGuard1 Remove the tape securing the needle tubing.2 Prepare the dressing and place it over the venipuncture siteaccording to your standard operating procedures.3 Ensure the curved finger hook on the MasterGuard points up. Slidethe MasterGuard forward until its lower jaw is under the wings.4 Place your finger inside the finger hook. While maintainingappropriate pressure on the venipuncture site, pull the tubing sothat the needle exits the donor’s arm and slides into theMasterGuard (see Figure 4-16).Figure 4-16: Removing the MasterGuard protected needleCaution: MasterGuard® anti-stick needle protector engagesinto a locked position only if you hold it in place while removing theapheresis needle by pulling the tubing. It will not engage if you usethe wings of the needle or the body of MasterGuard to remove theneedle.After use, visually confirm that MasterGuard has locked over theneedle and the wings are securely held behind the locking prongs.Fingerhook