System for detecting air
2 Assignments
0 Petitions
Accused Products
Abstract
A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the fluid reservoir and the upper port, and second valve is connected between the lower port and the patient. During a fill operation, a piston is moved within the syringe to drawn fluid from the reservoir into the syringe through the upper port. During injection operation, the piston moves in an opposite direction to force fluid out of the syringe through the lower port.
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Citations
32 Claims
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1-25. -25. (canceled)
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26. A method for using a syringe in a motorized injector system during a medical procedure, the method comprising:
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providing a syringe that includes a pumping chamber and a plunger;
inserting an actuator into the plunger, such that the actuator and the plunger become engaged;
removing the actuator from the plunger, such that the actuator and the plunger become disengaged; and
during the removal, irreversibly deforming the plunger to preclude further use. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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Specification