KR20170011406A - A device for measuring oxygen saturation - Google Patents

A device for measuring oxygen saturation Download PDF

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Publication number
KR20170011406A
KR20170011406A KR1020150103995A KR20150103995A KR20170011406A KR 20170011406 A KR20170011406 A KR 20170011406A KR 1020150103995 A KR1020150103995 A KR 1020150103995A KR 20150103995 A KR20150103995 A KR 20150103995A KR 20170011406 A KR20170011406 A KR 20170011406A
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KR
South Korea
Prior art keywords
spo2
oxygen saturation
measuring apparatus
sensor
unit
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KR1020150103995A
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Korean (ko)
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KR101710531B1 (en
Inventor
김광민
김태군
송양호
김남훈
Original Assignee
주식회사 메디칼써프라이
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Priority to KR1020150103995A priority Critical patent/KR101710531B1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters

Abstract

The present invention relates to an oxygen saturation measuring apparatus, and more particularly, to an oxygen saturation measuring apparatus comprising: an SpO2 sensor unit for measuring a degree of oxygen saturation in arterial blood of a patient by a non-invasive method; An SpO2 measuring apparatus main body having an internal power supply unit for displaying an oxygen saturation derived from the SpO2 sensor unit; And an extension cable having one end connected to the SpO2 sensor unit and the other end connected to the SpO2 measuring device body, wherein the connection cable is connected to the SpO2 sensor unit, And an installed SpO2 measurement module unit is installed and configured.
According to the oxygen saturation measuring apparatus proposed in the present invention, the SpO2 measuring module unit, which is installed inside the body of the existing SpO2 measuring apparatus, is constituted by the SpO2 sensor unit, the SpO2 measuring apparatus main body and the connecting cable, And one end of the connection cable provided with the SpO2 measurement module is connected and connected to the SpO2 sensor part to improve the effect of reducing the inflow distance of the noise due to the oxygen saturation measurement, Thereby improving the performance of the overall oxygen saturation measurement by reducing the noise influence of the sensor.
According to the present invention, since the SpO2 measurement module implemented as a miniaturization module is installed in the connection cable head of the connection cable, it is possible to save space in the development of the whole measurement device. In addition, Parameters can be easily added, the weight required for system development can be reduced, durability can be improved, and the savings compared to the cost of existing system design can be improved.
In addition, the present invention receives a signal from the SpO 2 sensor unit, converts it into a digitized signal from the SpO 2 measurement module unit provided on the connection cable, and transmits it to the SpO 2 measuring apparatus main body. So that the flexibility of using the existing sensor can be maintained.

Description

A DEVICE FOR MEASURING OXYGEN SATURATION

The present invention relates to an oxygen saturation measuring apparatus, and more particularly, to an oxygen saturation measuring apparatus for connecting a SpO2 measuring module provided in a conventional SpO2 measuring apparatus to a SpO2 sensor unit.

In general, the device for measuring oxygen saturation is a device that calculates non-invasively the blood coral saturation (SpO2) by measuring the light absorption by wavelength of the arterial blood. Such an apparatus for measuring oxygen saturation is a SpO2 sensor which irradiates at least two lights having different wavelengths to a specific body part such as a patient's finger, a toe or an earlobe, receives light transmitted through the body part and converts it into an electric signal A connection cable connected to the sensor unit, and an electric signal measured at the SpO2 sensor unit, connected to the other end of the connection cable, for separating and separating electric signals corresponding to at least two lights having different wavelengths, And an SpO2 measurement module unit for extracting AC and DC components of the electrical signals, amplifying the extracted electrical signals, and deriving oxygen saturation using the amplified signals.

1 is a functional block diagram showing a configuration of a conventional oxygen saturation measuring apparatus. 1, the conventional oxygen saturation measuring apparatus includes an SpO2 sensor unit 11, a connecting cable 12, and an SpO2 measuring apparatus main body 13. The oxygen saturation measuring apparatus includes various types of oxygen saturation measuring apparatuses A signal separator, an extractor, an amplification unit, an A / D converter, and a measurement module are provided in the SpO2 measurement apparatus main body 13. Such a conventional oxygen saturation measuring apparatus uses a connecting cable 12 for only electrical connection between the SpO 2 sensor unit 11 and the SpO 2 measuring apparatus main body 13 so that the inflow distance of noise increases, There is a problem that the performance of the oxygen saturation measurement may be deteriorated due to the noise influence of the contact portion of the main body 13. [

In order to solve the above-mentioned problems of the conventional methods, the present invention provides a SpO2 measuring device, a SpO2 measuring device body, and a connecting cable, wherein the SpO2 measuring module And the one end of the connection cable provided with the SpO2 measurement module is connected and connected to the SpO2 sensor part so that the improvement effect of reducing the inflow distance of the noise due to the oxygen saturation measurement is increased And an object of the present invention is to provide an oxygen saturation measuring apparatus capable of improving the performance of the overall measurement of oxygen saturation by reducing the influence of noise on the connection portion with the SpO2 measuring apparatus main body.

In addition, since the SpO2 measurement module implemented as a miniaturization module is installed in the connection cable head of the connection cable, the present invention has a space saving effect in the development of the entire measurement device, and the SpO2 parameter It is another object of the present invention to provide an oxygen saturation measuring apparatus which is easy to add to a system, light in weight required for system development, excellent in durability, and improved in cost reduction compared to the cost of existing system design.

In addition, the present invention receives a signal from the SpO 2 sensor unit, converts it into a digitized signal from the SpO 2 measurement module unit provided on the connection cable, and transmits it to the SpO 2 measuring apparatus main body. It is another object of the present invention to provide an oxygen saturation measuring apparatus which does not require a sensor and which can maintain the flexibility of use of an existing sensor.

According to an aspect of the present invention, there is provided an apparatus for measuring oxygen saturation comprising:

As an oxygen saturation measuring apparatus,

An SpO2 sensor unit for non-invasively measuring oxygen saturation in a patient's arterial blood;

An SpO2 measuring apparatus main body having an internal power supply unit for displaying an oxygen saturation derived from the SpO2 sensor unit; And

An extension cable having one end connected to the SpO2 sensor unit and the other end connected to the SpO2 measuring device main body,

The connection cable includes:

And an SpO2 measurement module unit implemented as a miniaturization module is installed at one end connected to the SpO2 sensor unit.

Preferably, the connecting cable includes:

A connection cable head which is fastened to the sensor connector of the SpO2 sensor part at one end of the cable; And

And a main body connection connector connected to the connection port of the SpO2 measuring apparatus main body at the other end of the cable.

More preferably, the connecting cable head comprises:

An SpO2 measuring module realized by miniaturization of an element region in which elements are arranged on a PCB (printed circuit board) can be installed inside a rectangular head body.

Even more preferably, the connecting cable head comprises:

And a sensor connection portion electrically connected to the sensor connector of the SpO2 sensor portion.

Still more preferably,

A size of 7 cm by 4 cm by 4 cm by 2 cm in height, and the like.

Even more preferably, the connecting cable head comprises:

And a shield plate may be further arranged at upper and lower portions of the SpO2 measurement module portion and the sensor connection portion which are installed inside the head body.

Preferably, the connecting cable head comprises:

And a glass cover having a sensor fixing function, which is hingedly connected to one side of the head body to be rotatable.

More preferably, the oxygen saturation measuring apparatus includes:

The SpO2 measurement module is arranged close to the SpO2 sensor unit so that the noise inflow distance is reduced and the signal measured by the SpO2 sensor unit is converted into digitalized by the SpO2 sensor unit of the connection cable and transmitted to the SpO2 measurement apparatus main body , So that the influence of noise on the contact portion with the SpO2 measuring apparatus main body can be minimized.

According to the oxygen saturation measuring apparatus proposed in the present invention, the SpO2 measuring module unit, which is installed inside the body of the existing SpO2 measuring apparatus, is constituted by the SpO2 sensor unit, the SpO2 measuring apparatus main body and the connecting cable, And one end of the connection cable provided with the SpO2 measurement module is connected and connected to the SpO2 sensor part to improve the effect of reducing the inflow distance of the noise due to the oxygen saturation measurement, Thereby improving the performance of the overall oxygen saturation measurement by reducing the noise influence of the sensor.

According to the present invention, since the SpO2 measurement module implemented as a miniaturization module is installed in the connection cable head of the connection cable, it is possible to save space in the development of the whole measurement device. In addition, Parameters can be easily added, the weight required for system development can be reduced, durability can be improved, and the savings compared to the cost of existing system design can be improved.

In addition, the present invention receives a signal from the SpO 2 sensor unit, converts it into a digitized signal from the SpO 2 measurement module unit provided on the connection cable, and transmits it to the SpO 2 measuring apparatus main body. So that the flexibility of using the existing sensor can be maintained.

1 is a functional block diagram showing a configuration of a conventional oxygen saturation measuring apparatus.
2 is a functional block diagram showing the configuration of an oxygen saturation measuring apparatus according to an embodiment of the present invention.
3 is a view showing a configuration of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention.
4 is a side view of a head part of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention.
5 is a cross-sectional view of a head section of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention.
6 is a diagram showing a total connection configuration of an oxygen saturation measuring apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.

FIG. 2 is a functional block diagram of an apparatus for measuring oxygen saturation according to an embodiment of the present invention. FIG. 3 is a diagram illustrating a configuration of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention. FIG. 4 is a side view of a head part of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention, and FIG. 5 is a view showing an oxygen saturation measurement apparatus according to an embodiment of the present invention. And FIG. 6 is a view showing an overall connection structure of an oxygen saturation measuring apparatus according to an embodiment of the present invention. 2 to 6, the apparatus for measuring oxygen saturation according to an embodiment of the present invention includes an SpO2 sensor unit 100, a SpO2 measuring apparatus main body 200, and a connection cable 300 Lt; / RTI >

The SpO2 sensor unit 100 is a configuration for measuring the degree of oxygen saturation in arterial blood of a patient by a non-invasive method. The SpO 2 sensor unit 100 includes a light emitting unit that irradiates at least two or more lights having different wavelengths to specific parts of the body and a light receiving unit that receives light transmitted through a specific part of the body, And an optical detection module for converting the optical signal into an electrical signal. Here, the light emitting unit, the light receiving unit, and the light detecting module correspond to a configuration that is typically provided in the SpO2 sensor unit 100, and thus a detailed description thereof will be omitted.

The SpO2 measuring apparatus main body 200 shows a degree of oxygen saturation derived from the SpO2 sensor unit 100 and includes a power supply unit 201 therein. It can be understood that the SpO2 measuring apparatus main body 200 omits the configuration of the SpO2 measuring module unit which is usually provided in the main body of the existing SpO2 measuring apparatus, and includes only the display section and the power source section.

The connection cable 300 has a configuration in which one end is connected to the SpO 2 sensor unit 100 and the other end is connected to the SpO 2 measuring apparatus main body 200. The connection cable 300 is connected to the SpO 2 sensor unit 100, and the SpO 2 measurement module unit 340, which is implemented as a miniaturization module, is installed at one end. 3, the connection cable 300 includes a connection cable head 320 which is fastened to the sensor connector 101 of the SpO2 sensor unit 100 at one end of the cable 310, And a main body connection connector 330 connected to the connection port 210 of the SpO 2 measurement apparatus main body 200 at the other end of the main body 200. 5, the connection cable head 320 includes an SpO2 measurement module part 340 implemented by miniaturization of an element area 342 in which elements are arranged on a PCB 341 (printed circuit board) And can be installed inside the square head body 321. At this time, the element region 342 may be formed by miniaturization having a size of 7 cm by 4 cm by 2 cm in height. Here, the SpO2 measurement module 340 separates the electrical signals measured by the SpO2 sensor unit 100, extracts the AC and DC components of the separated electrical signals, amplifies the AC components of the extracted electrical signals, And converting the DC component and the amplified AC component of the separated electrical signals obtained through the extraction and amplification into a digital signal and transmitting the converted digital signal to the SpO2 measuring apparatus main body 200. The main body connector 330 of the connection cable 300 is connected to the connection port 210 of the main body 200 of the SpO 2 measuring apparatus 200. The connection wire is connected to the power port, Rx), and synchronous (SYNC).

5, the connection cable head 320 may include a sensor connection portion 322 electrically connected to the sensor connector 101 of the SpO2 sensor portion 100, The SpO2 measurement module unit 340 and the shield plate 333 may be disposed at the upper and lower portions of the sensor connection unit 322. The connection cable head 320 may further include a glass cover 334 having a sensor fixing function, which is hinged to the upper side of the head main body 321 and arranged in a rotatable manner. The length of the coupling cable 300 connected to the SpO 2 sensor unit 100 may be about 2 m or more.

FIG. 3 is a perspective view of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention. FIG. 4 is a side view of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention. FIG. 5 is a cross-sectional view of a head section of a connection cable applied to an apparatus for measuring oxygen saturation according to an embodiment of the present invention, and FIG. 6 is a sectional view showing the use of the apparatus for measuring oxygen saturation according to an embodiment of the present invention And FIG. That is, as shown in FIGS. 3 to 6, the SpO2 measurement module unit 340 is implemented as a miniaturization module in the connection cable head 320 of the connection cable 300.

As described above, the apparatus for measuring oxygen saturation according to an embodiment of the present invention includes the SpO2 measurement module unit 340 arranged close to the SpO2 sensor unit 100, thereby reducing the noise inflow distance and controlling the SpO2 sensor unit 100 and converted into a digital signal by the SpO2 measurement module unit 340 of the connection cable 300 and transmitted to the SpO2 measurement apparatus main body 200. The influence of the noise on the contact portion with the SpO2 measurement apparatus main body 200 So that it can be minimized.

The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.

100: SpO2 sensor part 101: Sensor connector
200: SpO2 measuring apparatus main body 201:
202: Display unit 210: Connection port
300: connecting cable 310: cable
320: connecting cable head 321: head body
322: sensor connecting portion 323: shield plate
324: Glass cover 330: Main body connection connector
340: SpO2 measurement module section 341: PCB
342:

Claims (8)

As an oxygen saturation measuring apparatus,
An SpO2 sensor unit 100 for measuring a degree of oxygen saturation in a patient's arterial blood by a non-invasive method;
An SpO2 measuring apparatus main body 200 displaying a degree of oxygen saturation derived from the SpO2 sensor unit 100 and having a power supply unit 201 therein; And
And an extension cable (300) having one end connected to the SpO 2 sensor unit (100) and the other end connected to the SpO 2 measuring apparatus main body (200)
The connection cable (300)
And an SpO2 measurement module unit 340 implemented as a miniaturization module at one end connected to the SpO2 sensor unit 100 is installed.
The connector according to claim 1, wherein the connection cable (300)
A connection cable head 320 which is fastened to one end of the cable 310 with the sensor connector 101 of the SpO2 sensor unit 100; And
And a body connecting connector (330) connected to the connection port (210) of the SpO2 measuring apparatus main body (200) at the other end of the cable (310).
The connector according to claim 2, wherein the connecting cable head (320)
The SpO2 measurement module part 340 realized by miniaturization of the element area 342 in which the elements are arranged on the PCB 341 (printed circuit board) is installed inside the rectangular head body 321 A device for measuring oxygen saturation.
4. The apparatus of claim 3, wherein the connecting cable head (320)
And a sensor connection part (322) electrically connected to the sensor connector (101) of the SpO2 sensor part (100).
The device of claim 3, wherein the device region (342)
Wherein the oxygen saturation measuring device is constituted by a miniaturization having a size of 7 cm in length × 4 cm in length × 2 cm in height.
5. The connector of claim 4, wherein the connecting cable head (320)
And a shield plate 333 is further disposed above and below the SpO2 measurement module unit 340 and the sensor connection unit 322 which are installed inside the head body 321. [ Measuring device.
The connector according to any one of claims 3 to 6, wherein the connecting cable head (320)
Further comprising a glass cover (334) having a sensor fixing function, wherein the glass cover (334) is hinged to one side of the upper portion of the head body (321) so as to be rotatable.
8. The oxygen saturation measuring apparatus according to claim 7,
The SpO2 measurement module unit 340 is arranged close to the SpO2 sensor unit 100 so that the noise inflow distance is reduced and the SpO2 measurement of the connection cable 300 is received by the signal measured by the SpO2 sensor unit 100 And the module unit 340 converts the signal into a digital signal and transmits the digital signal to the SpO2 measuring apparatus main body 200 so that the influence of noise on the contact portion with the SpO2 measuring apparatus main body 200 can be minimized. .
KR1020150103995A 2015-07-22 2015-07-22 A device for measuring oxygen saturation KR101710531B1 (en)

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KR1020150103995A KR101710531B1 (en) 2015-07-22 2015-07-22 A device for measuring oxygen saturation

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08266522A (en) * 1995-03-28 1996-10-15 Daido Hoxan Inc Method for inspecting degree of oxygen saturation of arterial blood of patient receiving medical treatment at home
KR200343805Y1 (en) * 2003-12-20 2004-03-09 주식회사 바이오프로테크 A sensor unit of a instrument for measuring oxygen-saturation
US6770028B1 (en) * 1999-01-25 2004-08-03 Masimo Corporation Dual-mode pulse oximeter
US20120276786A1 (en) * 2007-10-12 2012-11-01 Masimo Corporation Connector assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08266522A (en) * 1995-03-28 1996-10-15 Daido Hoxan Inc Method for inspecting degree of oxygen saturation of arterial blood of patient receiving medical treatment at home
US6770028B1 (en) * 1999-01-25 2004-08-03 Masimo Corporation Dual-mode pulse oximeter
KR200343805Y1 (en) * 2003-12-20 2004-03-09 주식회사 바이오프로테크 A sensor unit of a instrument for measuring oxygen-saturation
US20120276786A1 (en) * 2007-10-12 2012-11-01 Masimo Corporation Connector assembly

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