Arteriosclerosis detection system
First Claim
1. An arteriosclerosis detection system comprising:
- electrocardiographic signal detection means for detecting an electrocardiographic signal;
eyeground image detection means for continuously or discontinuously detecting an eyeground image in synchronization with the detected electrocardiographic signal; and
eyeground vein constriction detection means for detecting constriction of an eyeground vein by using a ratio of an outer diameter of the eyeground vein in a vicinity of a site at which the eyeground vein and an eyeground artery cross each other to a portion of the eyeground vein distant from the crossing site,wherein the system is operable to detect the constriction on the basis of the eyeground image detected in synchronization with the electrocardiographic signal.
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Abstract
An arteriosclerosis detection system including an electrocardiographic signal detection device, an eyeground image detection device for detecting an eyeground image in synchronization with an electrocardiographic signal detected by the detection device. The arteriosclerosis detection system further includes an eyeground vein constriction detection device for detecting the constriction of an eyeground vein in the vicinity of a site at which the eyeground vein and an eyeground artery cross each other. The constriction is detected based on the detected eyeground image in synchronization with the electrocardiographic signal. The arteriosclerosis detection system detects the eyeground image by executing an algorithm of software, which provides an eyeground image synchronized with an electrocardiographic signal by obtaining a stationary eyeground image synchronized with an arbitrary electrocardiographic signal from an animated eyeground image.
29 Citations
16 Claims
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1. An arteriosclerosis detection system comprising:
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electrocardiographic signal detection means for detecting an electrocardiographic signal; eyeground image detection means for continuously or discontinuously detecting an eyeground image in synchronization with the detected electrocardiographic signal; and eyeground vein constriction detection means for detecting constriction of an eyeground vein by using a ratio of an outer diameter of the eyeground vein in a vicinity of a site at which the eyeground vein and an eyeground artery cross each other to a portion of the eyeground vein distant from the crossing site, wherein the system is operable to detect the constriction on the basis of the eyeground image detected in synchronization with the electrocardiographic signal. - View Dependent Claims (2, 3, 4, 14)
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5. An arteriosclerosis detection system comprising:
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electrocardiographic signal detection means for detecting an electrocardiographic signal; eyeground image detection means for continuously or discontinuously detecting an eyeground image in synchronization with an electrocardiographic signal detected by the detection means; and eyeground vein constriction detection means for detecting the constriction of an eyeground vein by using a ratio of an outer diameter of the eyeground vein in the vicinity of a site at which the eyeground vein and an eyeground artery cross each other to a portion of a eyeground vein distant from the crossing site, wherein the system is operable to detect the constriction of the eyeground vein based on the eyeground image detected in synchronization with the electrocardiographic signal, and wherein the system is operable to detect the eyeground image using software which can provide an eyeground image synchronized with an electrocardiographic signal by obtaining, by use of a computer, a stationary eyeground image synchronized with an arbitrary electrocardiographic signal from an animated eyeground image. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 15)
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16. A method of detecting arteriosclerosis, the method comprising:
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detecting an electrocardiographic signal; continuously or discontinuously detecting an eyeground image in synchronization with the detected electrocardiographic signal; and detecting constriction of an eyeground vein by using a ratio of an outer diameter of the eyeground vein in a vicinity of a site at which the eyeground vein and an eyeground artery across each other to a portion of the eyeground vein distant from the crossing site, wherein the constriction being detected on basis of the eyeground image detected in synchronization with the electrocardiographic signal.
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Specification