Title:
X-RAY VIDEO IMAGING DEVICE
Document Type and Number:
Japanese Patent JPH10285465
Kind Code:
A
Abstract:
To display a tip of a contrast agent flowing to blood vessels in real time.
An X-ray image signal is converted into digital image data by an A/D converter 21 and written/read to/from frame memories 22, 23 alternately for each frame, an arithmetic circuit 25 takes a difference between the data of one preceding frame and data of a current frame and an arithmetic circuit 26 adds an image from a frame memory 24 to a difference image. Moreover, the summed image signal is outputted onto a TV monitor 15 via a D/A converter 27.
Inventors:
MIURA YUSUKE
Application Number:
JP10382097A
Publication Date:
October 23, 1998
Filing Date:
April 07, 1997
Export Citation:
Assignee:
SHIMADZU CORP
International Classes:
H04N5/325; A61B6/00; (IPC1-7): H04N5/325; A61B6/00
Attorney, Agent or Firm:
Yusuke Sato