Medical injector
First Claim
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1. AN INJECTION DEVICE FOR PROVIDING CONSTANT HYDRAULIC PRESSURE SUITABLE FOR ANGIOGRAPHY INJECTIONS COMPRISING:
- A CONSTANT TORQUE ELECTRIC MOTOR;
MEANS FOR EFFICIENTLY CONVERTING THE CONSTANT TORQUE AVAILABLE FROM SAID MOTOR TO CONSTANT THRUST;
AND A HYDRAULIC PISTON AND CYLINDER, THE PISTON OF WHICH IS DRIVEN BY SAID MEANS WHEREBY ENERGIZATION OF SAID MOTOR TO PRODUCE CONSTANT TORQUE WILL PROVIDE CONSTANT PRESSURE IN A HYDRAULIC MEDIUM CONTAINED IN SAID CYLINDER.
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1 Claim
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1. AN INJECTION DEVICE FOR PROVIDING CONSTANT HYDRAULIC PRESSURE SUITABLE FOR ANGIOGRAPHY INJECTIONS COMPRISING:
- A CONSTANT TORQUE ELECTRIC MOTOR;
MEANS FOR EFFICIENTLY CONVERTING THE CONSTANT TORQUE AVAILABLE FROM SAID MOTOR TO CONSTANT THRUST;
AND A HYDRAULIC PISTON AND CYLINDER, THE PISTON OF WHICH IS DRIVEN BY SAID MEANS WHEREBY ENERGIZATION OF SAID MOTOR TO PRODUCE CONSTANT TORQUE WILL PROVIDE CONSTANT PRESSURE IN A HYDRAULIC MEDIUM CONTAINED IN SAID CYLINDER.
- A CONSTANT TORQUE ELECTRIC MOTOR;
Specification