INJECTOR AUTO PURGE
4 Assignments
0 Petitions
Accused Products
Abstract
An auto purge for an intravenous contrast injector of the type having a motor which advances a plunger drive ram and configured for use with a pre-filled or user-filled syringe containing an approximate known amount of air including a processor which causes the motor to move and a memory storing a predetermined purge stop point representative of the approximate known amount of air in the syringe, the injector configured to automatically advance the plunger drive ram an amount substantially equal to the predetermined purge stop point representative of the approximate known amount of air contained in the syringe.
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Citations
53 Claims
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1-34. -34. (canceled)
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35. A method of executing a purge sequence for an injector, the method comprising:
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receiving first user input at said injector; purging gas from a first syringe installed on said injector, wherein said purging comprises advancing a plunger drive ram to a first purge stop point and in response to said first user input, wherein said plunger drive ram is stopped at said first purge stop point by said injector; receiving second user input at said injector after said plunger drive ram has been stopped at said first purge stop point; manually controlling advancement of said plunger drive ram to a second purge stop point where said plunger drive ram is stopped, wherein said purging further comprises said manually controlling advancement, and wherein said manually controlling advancement is in response to and based upon said second user input; fluidly connecting a patient with said first syringe after a termination of said purging; and injecting fluid from said first syringe into said patient after said fluidly connecting. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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Specification