Liquid injector for injecting contrast medium at variable rate into a subject who is to be imaged by imaging diagnostic apparatus
AssigneesNemoto Kyorindo Co., Ltd., Atsushi Hatcho
InventorsKazumasa Masuda, Atsushi Hatcho
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Abstract
A liquid injector registers the data of a variable pattern in which an injection rate of a contrast medium varies with time. The injection rate of the contrast medium varies with time according to the variable pattern for maintaining a state in which the image contrast achieved by the contrast medium approximates an optimum level.
Claims17
A liquid injector for injecting a contrast medium into a subject whose fluoroscopic image is to be captured by an imaging diagnostic apparatus, comprising:
- a liquid injection mechanism for injecting said contrast medium into said subject;
- pattern storing means for registering data of a variable pattern in which an injection rate of the contrast medium for keeping an image contrast of the fluoroscopic image within a predetermined range varies with time;
- and
- rate controlling means for varying an operating speed of said liquid injection mechanism with time according to said variable pattern.
A computer unit for controlling operation of a liquid injection mechanism of a liquid injector for injecting a contrast medium into a subject whose fluoroscopic image is to be captured by an imaging diagnostic apparatus, comprising:
- pattern storing means for registering data of a variable pattern in which an injection rate of the contrast medium varies with time;
- and
- rate controlling means for varying an operating speed of said liquid injection mechanism with time according to said variable pattern.
Dependencies are inferred from the claim text.