EP0227119A2
Expired / Lapsed
EP
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Automatic blood pressure monitoring system
Assignee: Colin Electronics Co Ltd
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Filing: 1986-12-29
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Granted: —
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Expires: 2006-12-29
Abstract
Abstract An automatic blood pressure monitoring system for automatically obtaining blood pressure measurements, which includes (a) determining device for determining a measure of blood pressure of a living body; (b) detecting device for detecting a degree of saturation of oxygen in blood which flows in a peripheral part of the living body, the device generating signal representative of abnormality if the degree is found abnormal; and (c) control device being responsive to the signal supplied from the detecting device, to start the determining device to determine the measure of blood pressure. There is also disclosed an automatic blood pressure monitoring system which includes (i) determining device for determining a measure of blood pressure; (ii) detecting device for detecting a degree of saturation of oxygen in blood, the detecting device generating signal indicative of abnormality if the degree is found abnormal; and (iii) trigger device for generating first signal at intervals for periodically starting the determining device so as to determine the measure, the trigger device being responsive to the signal supplied from the detecting device, to generate second signal at intervals shorter than the intervals at which to generate the first signal, so as to periodically start the determining means for determining the measure.
Inventors
- 👤 Minoru Niwa
- 👤 Hifumi Yokoe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 18:36
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/0225; A61B5/02255; A61B5/02233; A61B5/02241; A61B5/145; A61B5/1455; A61B5/14551; A61B5/14552
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
94 words
An automatic blood pressure monitoring system for automatically obtaining blood pressure measurements, comprising: determining means for determining a measure of blood pressure of a living body; detecting means for detecting a degree of saturation of oxygen in blood which flows in a peripheral part of said living body, said detecting means generating signal representative of abnormality if said degree of saturation of oxygen is found abnormal; and control means responsive to said signal supplied from said detecting means, to start said determining means to determine said measure of blood pressure of said living body.
Claim 2
Dependent Claim
94 words
An automatic blood pressure monitoring system for automatically obtaining blood pressure measurements, comprising: determining means for determining a measure of blood pressure of a living body; detecting means for detecting a degree of saturation of oxygen in blood which flows in a peripheral part of said living body, said detecting means generating signal representative of abnormality if said degree of saturation of oxygen is found abnormal; and control means responsive to said signal supplied from said detecting means, to start said determining means to determine said measure of blood pressure of said living body.
Claim 3
Dependent Claim
43 words
An automatic blood pressure monitoring system as recited in claim 1, wherein said detecting means comprises an air bag for oppressing said peripheral part of said living body so as to remove the blood out of veins and arteries of the peripheral part.
Claim 4
Dependent Claim
42 words
An automatic blood pressure monitoring system as recited in claim 2, wherein said detecting means further comprises a lamp for emitting light toward said pheripheral part of said living body, said light emitted by said lamp being transmitted through the peripheral part.
Claim 5
Dependent Claim
190 words
An automatic blood pressure monitoring system as recited in claim 3, wherein said detecting means further comprises first sensor means for selectively receiving first light out of said light which has been transmitted through said peripheral part of said living body, the amount of said first light received by said first sensor means being varied in association with the volume of blood at said peripheral part and the quantity of tissue at said peripheral part but by no means affected by the degree of saturation of oxygen in said blood, said first sensor means generating first signal corresponding to the amount of the first light received, said detecting means also comprising second sensor means for selectively receiving second light out of the light which has been transmitted through the peripheral part, the amount of said second light received by said second sensor means being varied in association with the volume of blood at the periphral part, the quantity of tissue at the peripheral part and the degree of saturation of oxygen in the blood, said second sensor means generating second signal corresponding to the amount of the second light received.
Claim 6
Dependent Claim
67 words
An automatic blood pressure monitoring system as recited in claim 4, wherein said lamp emits said light and said first and second sensor means receive said first and second lights and generate said first and second signals, respectively, in both cases where said peripheral part of said living body is oppressed by said air bag and where the peripheral part is not oppressed by the air bag.
Claim 7
Dependent Claim
79 words
An automatic blood pressure monitoring system as recited in claim 5, wherein said detecting means further comprises caliculator means for receiving said first signal from said first sensor means and said second signal from said second sensor means, in said both cases, said calculator means determining said degree of saturation of oxygen in the blood of the living body, based on the first and second signals received in the both cases, and generating signal representative of said degree determined.
Claim 8
Dependent Claim
101 words
An automatic blood pressure monitoring system as recited in claim 6, wherein said detecting means further comprises storing means for storing a reference degree of saturation of oxygen and generating signal represetative of said reference degree stored, said detecting means also comprising abnormality discriminator means for receiving said signal from said calculator means and said signal from said storing means, checking if said degree determined by said calculator means is abnormal over said reference degree stored by said storing means, and generating to said control means signal representative of abnormality if the degree determined by the calculator means is found abnormal.
Claim 9
Dependent Claim
45 words
An automatic blood pressure monitoring system as recited in claim 4, wherein said first light selectively received by said first sensor means has wavelengths of around 800 mu, while said second light selectively received by said second sensor means has wavelengths of around 600 mu.
Claim 10
Dependent Claim
129 words
An automatic blood pressure monitoring system for automatically obtaining blood pressure measurements, comprising: determining means for determining a measure of blood pressure of a living body; detecting means for detecting a degree of saturation of oxygen in blood which flows in a peripheral part of said living body, said detecting means generating signal representative of abnormality if said degree of saturation of oxygen is found abnormal; and trigger means for generating first signal at intervals to periodically start said determining means so as to determine said measure, said trigger means being responsive to said signal supplied from said detecting means, to generate second signal at intervals shorter than said intervals at which to generate said first signal, so as to periodically start said determining means for determining said measure.
Claim 11
Dependent Claim
129 words
An automatic blood pressure monitoring system for automatically obtaining blood pressure measurements, comprising: determining means for determining a measure of blood pressure of a living body; detecting means for detecting a degree of saturation of oxygen in blood which flows in a peripheral part of said living body, said detecting means generating signal representative of abnormality if said degree of saturation of oxygen is found abnormal; and trigger means for generating first signal at intervals to periodically start said determining means so as to determine said measure, said trigger means being responsive to said signal supplied from said detecting means, to generate second signal at intervals shorter than said intervals at which to generate said first signal, so as to periodically start said determining means for determining said measure.
References Cited (Backward Citations)
US3412729A
Cited
EP0123313A2
Cited
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