Multi-stage dimmable digital pulse oximetry and using method thereof

A pulse oximeter, oximeter technology, applied in applications, medical science, sensors, etc., to achieve the effect of expanding the measurement range

Active Publication Date: 2012-03-28
CONTEC MEDICAL SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since this improvement does not fundamentally adjust the luminous intensity of the luminous tube, it has little effect on expanding the measurement range

Method used

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  • Multi-stage dimmable digital pulse oximetry and using method thereof
  • Multi-stage dimmable digital pulse oximetry and using method thereof
  • Multi-stage dimmable digital pulse oximetry and using method thereof

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Embodiment Construction

[0033] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] figure 1 It is a structural schematic diagram of a multi-level dimming digital pulse oximeter described in the embodiment of the present invention. Such as figure 1 As shown, a multi-level dimming digital pulse oximeter according to the embodiment of the present invention includes: a single-chip microcomputer 100 , a current limiting resistor adjustment circuit 200 , a light-emitting tube control circuit 300 , a photosensitive tube 400 and a light-emitting tube 500 .

[0035] The current-limiting resistor adjustment circuit 200 is connected to the single-chip microcomputer 100 and the luminous tube 500 , and is used for adjusting the luminous intensity of the lumi...

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Abstract

The invention discloses a multi-stage dimmable digital pulse oximetry and a using method thereof, and relates to the technical field of medical equipment. The oximetry comprises a singlechip, a current-limiting resistance regulating circuit, a photosensitive tube and a light emitting tube, wherein the current-limiting resistance regulating circuit is connected with the singlechip and the light emitting tube, and is used for regulating the light intensity of the light emitting tube according to a control instruction of the singlechip; the light emitting tube is used for alternatively emitting two beams according to the light intensity; the photosensitive tube is connected with the singlechip, and is used for receiving transmission light after the two beams pass through a living body, converting the transmission light into a digital signal, and transmitting the digital signal to the singlechip; and the singlechip is used for receiving the digital signal, and transmitting the control instruction to the current-limiting resistance regulating circuit according to the digital signal, or calculating to obtain blood oxygen data. According to the oximetry, the measurement range of the oximetry is fundamentally enlarged by multi-stage regulation to the light intensity of the light emitting tube.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a digital pulse oximeter with multi-level dimming and a use method thereof. Background technique [0002] The luminous intensity of the light-emitting tube of the existing oximeter cannot be changed, and the measured living body (such as a child's finger and an adult's finger) that may measure blood oxygen data is very different. Assuming that the luminous intensity of the luminous tube is constant, the intermediate life forms are different, one is a child's finger with a small diameter, and the other is an adult's finger with a large diameter. In this way, the light transmitted through the living body is very different, the light intensity received by the photosensitive tube is very different, and the intensity of the digital signal sent to the single-chip microcomputer after conversion is very different; The strength of one of the received digital signals would excee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1455
Inventor 胡坤杨振高瑞斌张金玲闫博华
Owner CONTEC MEDICAL SYST
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