FLUID INJECTION APPARATUS HAVING ANTI-ROTATION ELEMENTS TO LIMIT SYRINGE PLUNGER ROTATION
First Claim
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1. A fluid injection system comprising:
- an injector comprising a drive piston having a plunger engaging end;
a syringe comprising a body and a plunger movably disposed within the body, the plunger having a proximal end adapted for engagement by the plunger engaging end of the drive piston; and
an anti-rotation connection formed by complementary anti-rotation elements associated with the proximal end of the plunger and the plunger engaging end of the drive piston to limit rotation of the plunger within the syringe body.
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Abstract
The fluid injection apparatus is adapted for use with a syringe and includes an injector and a pressure jacket associated with the injector. The injector includes a drive piston having a plunger engaging end. The syringe includes a body and a plunger movably disposed within the body, the plunger having a proximal end adapted for engagement by the plunger engaging end of the drive piston. An anti-rotation connection is formed by complementary anti-rotation elements associated with the proximal end of the plunger and the plunger engaging end of the drive piston to limit rotation of the plunger within the syringe body.
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Citations
16 Claims
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1. A fluid injection system comprising:
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an injector comprising a drive piston having a plunger engaging end; a syringe comprising a body and a plunger movably disposed within the body, the plunger having a proximal end adapted for engagement by the plunger engaging end of the drive piston; and an anti-rotation connection formed by complementary anti-rotation elements associated with the proximal end of the plunger and the plunger engaging end of the drive piston to limit rotation of the plunger within the syringe body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification