Living-subject monitoring apparatus

• US 20030204134A1
• Filed: 02/24/2003
• Published: 10/30/2003
• Est. Priority Date: 04/24/2002
• Status: Abandoned Application

• Current Assignee: Colin Medical Technology Corporation (Omron Corporation)
• Original Assignee: Colin Corporation (Fukuda Denshi Company Limited)
• Inventors: Nunome, Tomohiro
• Application Number:
  US10/370,698
• Publication Number:
  US 20030204134A1
• Time in Patent Office: Days
• US Class Current: 600/324
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/14551 for measuring blood gases

Abstract

A living-subject monitoring apparatus for monitoring a load exerted to a living subject, including a circulatory-organ-related-parameter measuring device which iteratively measures at least one circulatory-organ-related parameter of the subject that changes in relation with the load exerted to the subject, a blood-oxygen-saturation measuring device which iteratively measures a blood oxygen saturation of the subject, and a display device which simultaneously displays the circulatory-organ-related parameter measured by the circulatory-organ-related-parameter measuring device and the blood oxygen saturation measured by the blood-oxygen-saturation measuring device, so that the circulatory-organ-related parameter and the blood oxygen saturation are comparable with each other by a medical person or the subject.

Claims

1. A living-subject monitoring apparatus for monitoring a load exerted to a living subject, comprising:

a circulatory-organ-related-parameter measuring device which iteratively measures at least one circulatory-organ-related parameter of the subject that changes in relation with the load exerted to the subject;

a blood-oxygen-saturation measuring device which iteratively measures a blood oxygen saturation of the subject; and

a display device which simultaneously displays the circulatory-organ-related parameter measured by the circulatory-organ-related-parameter measuring device and the blood oxygen saturation measured by the blood-oxygen-saturation measuring device, so that the circulatory-organ-related parameter and the blood oxygen saturation are comparable with each other.

2. A living-subject monitoring apparatus according to claim 1, wherein said at least one circulatory-organ-related parameter measured by the circulatory-organ-related-parameter measuring device comprises at least one of a blood pressure, a heart rate, and a product of a blood pressure and a heart rate, of the subject.

3. A living-subject monitoring apparatus according to claim 1, wherein the display device simultaneously displays respective values of the circulatory-organ-related parameter that are iteratively measured by the circulatory-organ-related-parameter measuring device, and respective values of the blood oxygen saturation that are iteratively measured by the blood-oxygen-saturation measuring device, so that the respective values of the circulatory-organ-related parameter and the respective values of the blood oxygen saturation are comparable with each other.

4. A living-subject monitoring apparatus for monitoring a load exerted to a living subject, comprising:

a blood-oxygen-saturation measuring device which iteratively measures a blood oxygen saturation of the subject;

a volumetric-pulse-wave detecting device which iteratively detects a volumetric pulse wave from the subject; and

a supplied-oxygen-amount-index calculating device which iteratively calculates, based on a product of the blood oxygen saturation measured by the blood-oxygen-saturation measuring device and a volumetric-pulse-wave-related parameter related to the volumetric pulse wave detected by the volumetric-pulse-wave detecting device, a supplied-oxygen-amount index indicative of an amount of oxygen supplied to the subject.

5. A living-subject monitoring apparatus according to claim 4, further comprising:

a circulatory-organ-related-parameter measuring device which iteratively measures at least one circulatory-organ-related parameter of the subject that changes in relation with the load exerted to the subject; and

a display device which simultaneously displays respective values of the circulatory-organ-related parameter that are iteratively measured by the circulatory-organ-related-parameter measuring device, and respective values of the supplied-oxygen-amount index that are iteratively calculated by the supplied-oxygen-amount-index calculating device, so that the respective values of the circulatory-organ-related parameter and the respective values of the supplied-oxygen-amount index are comparable with each other.

9. A living-subject monitoring apparatus according to claim 4, wherein the volumetric-pulse-wave-related parameter comprises an area defined by a waveform of each of a plurality of heartbeat-synchronous pulses of the volumetric pulse wave detected by the volumetric-pulse-wave detecting device.

10. A living-subject monitoring apparatus according to claim 4, wherein the volumetric-pulse-wave-related parameter comprises an amplitude of a waveform of each of a plurality of heartbeat-synchronous pulses of the volumetric pulse wave detected by the volumetric-pulse-wave detecting device.

6. A living-subject monitoring apparatus for monitoring a load exerted to a living subject, comprising:

a circulatory-organ-related-parameter measuring device which iteratively measures at least one circulatory-organ-related parameter of the subject that changes in relation with the load exerted to the subject;

a blood-oxygen-saturation measuring device which iteratively measures a blood oxygen saturation of the subject; and

a load-index calculating device which iteratively calculates, based on a value obtained by dividing the circulatory-organ-related parameter measured by the blood-oxygen-saturation measuring device, by the blood oxygen saturation measured by the blood-oxygen-saturation measuring device, a load index indicative of the load exerted to the subject.

7. A living-subject monitoring apparatus according to claim 6, further comprising a display device which simultaneously displays respective values of the circulatory-organ-related parameter measured by the circulatory-organ-related-parameter measuring device, and respective values of the load index calculated by the load-index calculating device, so that the respective values of the circulatory-organ-related parameter and the respective values of the, load index are comparable with each other.

8. A living-subject monitoring apparatus according to claim 6, wherein said at least one circulatory-organ-related parameter measured by the circulatory-organ-related-parameter measuring device comprises a product of a blood pressure and a heart rate of the subject, and wherein the load-index calculating device calculates, based on a value obtained by dividing the product of blood pressure and heart rate measured by the circulatory-organ-related-parameter measuring device, by the blood oxygen saturation measured by the blood-oxygen-saturation measuring device, the load index indicative of the load exerted to the subject.