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The MEDRAD Mark 7 Arterion Injection System is intended to be used specifically for the purposes of injecting contrast medium and common flushing solutions into humans for angiographic studies. The MEDRAD Mark 7 Arterion Syringe, Quick Fill Tube and other MEDRAD supplied disposables are specifically intended for single use only with the MEDRAD Mark 7 Arterion Injection System for angiographic studies. The MEDRAD Twist & Go Syringe, Quick Fill Tube and other MEDRAD supplied disposables are specifically intended for single use only with the MEDRAD Mark 7 Arterion Injection System for angiographic studies.

The MEDRAD Mark 7 Arterion Injector is a software-controlled medical device used to inject contrast agents from a 150 ml disposable syringe. Commonly referred to as an automated injection system, it is designed to allow a user to fill a disposable syringe and perform an injection with a user-programmed volume and flow rate. For the Mark 7 Arterion Injector System, the MEDRAD VFlow Hand Controller is provided sterile for single patient use only. The hand controller provides the operator the ability to precisely control and instantaneously adjust variable flow rates of contrast during contrast injection and puffing operations. When the injector is in the variable rate injection mode, the flow rate increases incrementally as the hand controller plunger is depressed, and decreases as the hand controller is released. In the fixed rate injection mode, the hand controller acts as a start switch, and release of the device ceases all flow. The VFlow Hand Controller requires the same amount of force to depress the plunger regardless of the set flow rate, volume, and pressure limit or the viscosity of the delivered contrast media. Additionally, the VFlow Hand Controller allows the clinician to step away from the radiation source during an injection. The Twist & Go Syringe function is the same as the Mark 7 Arterion Syringe. The syringes are both supplied sterile and are designed to be loaded into the automated injector head from the front of the injector (front loading). The clear polycarbonate material used in both syringes improves visualization of residual air compared to opaque polypropylene. The Twist & Go Syringe enables single-handed attachment of the Twist & Go High Pressure Connector Tubing to the syringe.

The Twist & Go High Pressure Connector Tubing is intended to be used in the delivery of contrast media and common flushing solutions. The device is indicated for single use only with MEDRAD injectors.

The MEDRAD Twist & Go High Pressure Connector Tubing is a sterile, single-use only, disposable connector tube that is used to transfer contrast media and common flushing solutions from an automated injector syringe to an administration set during angiographic procedures.