CN206671172U - A kind of gasmetry Medical Devices - Google Patents
A kind of gasmetry Medical Devices Download PDFInfo
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- CN206671172U CN206671172U CN201720293754.XU CN201720293754U CN206671172U CN 206671172 U CN206671172 U CN 206671172U CN 201720293754 U CN201720293754 U CN 201720293754U CN 206671172 U CN206671172 U CN 206671172U
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Abstract
It the utility model is related to field of medical device, more particularly to a kind of gasmetry Medical Devices, including integrated gas path device, sensor circuit board, light source circuit board, gas steady flow unit, air pump unit, gas valve unit, main control board；Each functional unit of the equipment is designed as independent feature plate, there is the circuit and gas circuit connecting interface of standard between each functional unit, the characteristics of causing simple device structure, small volume after installation, flow detection, the control unit of the equipment, flow measurement is accurate, flow control is stable.
Description
Technical field
It the utility model is related to field of medical device, more particularly to a kind of gasmetry Medical Devices.
Background technology
In the prior art, the constituent concentration in medical treatment for human body respiration gas CO2, O2 measures analysis, meaning ten
Divide great.There are two kinds of metering systems of main stream-type and side stream type currently for the equipment of gas concentration measurement.The measurement of main stream-type is set
Standby is that the sensor of equipment is installed in the breathing circuit of patient, and the equipment measured, in general main stream-type equipment can only
Applied to intubated patient.The measuring apparatus of side stream type is to utilize aspiration pump, by sampling pipe by the under test gas in breathing circuit
The equipment measured in measurement air chamber is drawn into, do not limited for application, is applied in current breathing gas fields of measurement
Most commonly used equipment.
But the inventors discovered that at present side stream type measurement equipment use using PCB as bottom plate, connected by soft air-guide pipe
There is guiding gas to move towards effect an inside for the mode of the firmwares such as sensor, aspiration pump, air valve, or integrated complex gas circuit
Gas path device, take volume, the defects of larger be present in complexity of structure etc..
Utility model content
In order to eliminate the defects of current by-pass flow gas measuring apparatus is present, the invention discloses one kind for wherein using most
For the gas measuring apparatus of extensive side stream type, the equipment Design a micro-integrated gas path device and correlation function list
Member, the equipment have the characteristics of simple in construction, volume is small, stable performance so that it is easily integrated, use, carrying and two
Secondary exploitation.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of gasmetry Medical Devices, it is characterised in that：Including integrated gas path device, sensor circuit board, light source
Circuit board, gas steady flow unit, air pump unit, gas valve unit, main control board.
The integrated gas path device includes gasmetry air chamber, and the gasmetry air chamber is used for accommodating tested gas.
The sensor circuit board connects with the integrated gas path device, main control board respectively, for infrared light
The detection of intensity.
The light source circuit board connects with the integrated gas path device, governor circuit respectively, when being measured for gas
The transmitting of used infrared light.
The gas steady flow unit connects with the integrated gas path device, for stable measured gas flow rates.
The air pump unit connects with the integrated gas path device, there is provided is measured the power of gas flowing.
The gas valve unit connects with the integrated gas path device, main control board respectively, for being tested gas and sky
Switching between gas.
The sensor circuit board includes infrared detecting device and sensor circuit connector for substrate, wherein the sensor is electric
Road connector for substrate is connected with the main control board.
The sensor circuit board is vertically arranged with the main control board.
The light source circuit board includes infrared launcher and circuit of light sources connector for substrate, wherein the light source circuit board connects
Device is connect to be connected with the main control board.
The light source circuit board is vertically arranged with the main control board.
The light source circuit board is placed in parallel with the sensor circuit board, wherein the infrared launcher with it is described red
Outer detection means is in face position, and is respectively at the both sides of the gasmetry air chamber of the integrated gas path device.
The air pump unit includes the gentle pump unit gas outlet of air pump unit air inlet, the air pump unit air inlet and institute
The gas outlet connection of integrated gas path device is stated, the air pump unit gas outlet turns on external environment condition.
The main control board includes gas-monitoring detector, and the gas-monitoring detector is used to monitor tested gas
Pressure and flow.
The integrated gas path device includes gas-monitoring mouth, and the gas-monitoring mouth connects with the gas-monitoring detector
Connect, for giving the tested gas information transmission collected to the gas-monitoring detector.
The gas-monitoring detector, the gas-monitoring mouth are two, and two monitoring detectors can measure simultaneously
The gasmetry air chamber gas flow rate and pressure of integrated gas path device.
The gas valve unit includes electromagnetic valve unit, and the electromagnetic valve unit is connected with the main control board, for certainly
Dynamic switching is tested gas and air.
Disclosed a kind of gas measuring apparatus of the present utility model, its advantage include：
The equipment has the electric interfaces of compatible oxygen measurement, and when installing oxygen measurement module, oxygen module enters outlet
Mouth series connection enters the oxygen module interface of micro-integrated gas path device so that the integrated very simple side of oxygen measurement module
Just.
The hardware compatibility list carbon dioxide measures and more gasmetries, and the module can be pure gas or multiple gases
Measurement provides a public side stream type gasmetry platform.
Each functional unit of the equipment is designed as independent feature plate, has standard between each functional unit
Circuit and gas circuit connecting interface, the characteristics of device structure simple, small volume are caused after installation.
Flow detection, the control unit of the equipment, flow measurement is accurate, flow control is stable.
The equipment can reach when measuring carbon dioxide in medical procedure using minimum effective measurement flow
40ml/min level.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of gasmetry Medical Devices of the utility model embodiment.
Fig. 2 is a kind of decomposition texture schematic diagram of gasmetry Medical Devices of the utility model embodiment.
Fig. 3 is the top view of the integrated gas path device of the utility model embodiment.
Fig. 4 is the upward view of the integrated gas path device of the utility model embodiment.
Fig. 5 is the front view of the integrated gas path device of the utility model embodiment.
Fig. 6 is the rearview of the integrated gas path device of the utility model embodiment.
Fig. 7 is the left view of the integrated gas path device of the utility model embodiment.
Fig. 8 is the right view of the integrated gas path device of the utility model embodiment.
Fig. 9 is the structural representation of the sensor circuit board of the utility model embodiment.
Figure 10 is the structural representation of the light source circuit board of the utility model embodiment.
Figure 11 is the structural representation of the gas steady flow unit of the utility model embodiment.
Figure 12 is the structural representation of the air pump unit of the utility model embodiment.
Figure 13 is the structural representation of the main control board of the utility model embodiment.
Description of reference numerals：
1st, integrated gas path device, 101, the first air inlet of integrated gas path device, 102, the air inlet of oxygen sensor
Mouthful, 103, the gas outlet of oxygen sensor, 104, the second air inlet of integrated gas path device, 105, integrated gas path device
Gas outlet, 106, integrated gas path device steady flow unit air-path interface, 111, the first gas monitoring mouth of integrated gas path device,
112nd, the second gas monitoring mouth of integrated gas path device, 113, the Venturi tube installing port of integrated gas path device, 114, one
The air valve installing port of body gas path device, 121, the measurement air chamber of integrated gas path device；
2nd, sensor circuit board, 201, infrared detecting device, 202, sensor circuit connector for substrate；
3rd, light source circuit board, 301, infrared launcher, 302, circuit of light sources connector for substrate；
4th, gas steady flow unit, 401, gas steady flow unit connection gas port；
5th, air pump unit, 501, air pump unit air inlet, 502, air pump unit gas outlet；
6th, gas valve unit；
7th, main control board, 701, first gas monitoring detector, 702, second gas monitoring detector.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Shown in reference picture 1,2, that show a kind of gasmetry Medical Devices of the present utility model, including integrated gas
Road device 1, sensor circuit board 2, light source circuit board 3, gas steady flow unit 4, air pump unit 5, gas valve unit 6, governor circuit
Plate 7；
Shown in reference picture 3,4,5,6,7,8, the integrated gas path device 1 includes gasmetry air chamber 121, the gas
Measure air chamber 121 and be used for accommodating tested gas；
Shown in reference picture 9, the sensor circuit board 2 connects with the integrated gas path device 1, main control board 7 respectively
Connect, for the detection to infrared luminous intensity；
Shown in reference picture 10, the light source circuit board 3 connects 7 with the integrated gas path device 1, governor circuit respectively,
The transmitting of used infrared light when being measured for gas；
Shown in reference picture 11, the gas steady flow unit 4 connects with the integrated gas path device 1, for stable tested
Measure gas flow rates；
Shown in reference picture 12, the air pump unit 5 connects with the integrated gas path device 1, there is provided is measured gas stream
Dynamic power；
The gas valve unit 6 connects with the integrated gas path device 1, main control board 7 respectively, for be tested gas and
Switching between air.
The sensor circuit board 2 includes infrared detecting device 201 and sensor circuit connector for substrate 202, wherein described
Sensor circuit connector for substrate 202 is connected with the main control board 7.
The sensor circuit board 2 is vertically arranged with the main control board 7.
The light source circuit board 3 includes infrared launcher 301 and circuit of light sources connector for substrate 302, wherein the light source
Circuit board connector 3 is connected with the main control board 7.
The light source circuit board 3 is vertically arranged with the main control board 7.
The light source circuit board 3 is placed in parallel with the sensor circuit board 2, wherein the infrared launcher 301 with
The infrared detecting device 201 is in face position, and is respectively at the gasmetry air chamber of the integrated gas path device 1
121 both sides.
The air pump unit 5 includes 501 gentle pump unit gas outlet 502 of air pump unit air inlet, and the air pump unit enters
Gas port 501 is connected with the gas outlet 105 of the integrated gas path device, and the air pump unit gas outlet 502 is led with external environment condition
It is logical.
Shown in reference picture 13, the main control board 7 includes gas-monitoring detector, and the gas-monitoring detector is used for
The pressure and flow of the tested gas of monitoring, the gas-monitoring detector of main control board of the present utility model devise two, point
Not Wei first gas monitoring detector 701, second gas monitoring detector 702, when specifically used, first gas monitoring detection
Device 701 can measure diverse location in air chamber 121 to integrated gas path device simultaneously with second gas monitoring detector 702
Gas flow rate and pressure measure, the compensating elements that the pressure obtained by measuring calculates as gas concentration, the stream of gas
Fast signal controls the feedback control of air pump unit 5 as main control board 7 so that the control of device for flow amount is more stable, smart
Really.
The integrated gas path device 1 includes gas-monitoring mouth, the gas-monitoring mouth and the gas-monitoring detector
Connection, for giving the tested gas information transmission collected to the gas-monitoring detector, gas-monitoring of the present utility model
Mouth devises two, respectively the first gas monitoring mouth 111 of integrated gas path device, the second gas of integrated gas path device
Monitor mouth 112.
The integrated gas path device 1 also includes the Venturi tube installing port 113 of integrated gas path device, for external text
Venturi.
The gas valve unit 6 includes electromagnetic valve unit, and the electromagnetic valve unit is connected with the main control board 7, is used for
Automatically switch tested gas and air.
The equipment is for bottom plate with main control board 7, and other separate units are fixed on main control board 7；
Gas valve unit 6 connects with the integrated gas path device air valve installing port 114 of integrated gas path device 1, specific real
Shi Shi, for gas valve unit 6 when not working, connection turns on the air inlet 101 and integrated gas path device 1 of integrated gas path device 1
Measurement air chamber 121, when gas valve unit 6 works, connection turns on the measurement air chamber 121 and extraneous air of integrated gas path device,
An atmospheric pressure and environmental gas are provided for measuring system.
The gas steady flow unit connection gas port 401 of gas steady flow unit 4 fills with the integrated gas circuit of integrated gas path device 1
Put steady flow unit air-path interface 106 to connect, in specific implementation in use, during when pumping gas, gas steady flow unit 4 can reduce gas
It is unstable due to pressure and flow caused by vibrations when air pump works in road；
The inside of integrated gas path device 1 has gas circuit path, and the aperture of gas circuit is not particularly limited, can be according to actual feelings
Condition is reasonably adjusted.
The measurement air chamber 121 of integrated gas path device 1 is series inside the gas circuit of equipment, measurement air chamber 121 both ends difference
For infrared detecting device 201 and infrared launcher 301, there is no particular limitation for size, the depth of measurement air chamber 121, can
To be set according to the actual requirements.
The air inlet 102 of oxygen sensor is connected oxygen sensor respectively with the gas outlet 103 of oxygen sensor, if set
It is standby when not needing oxygen measurement parameter, flexible pipe can be used by oxygen sensor air inlet 102 and oxygen sensor gas outlet
103 connections.
The first gas monitoring mouth 111 and second gas monitoring mouth 112 of integrated gas path device 1 are all with measuring air chamber 121
Connection, it is the pressure signal in measurement air chamber 121 for pressure signal obtained from detection；
Illustrated below using some embodiments.
Embodiment 1 is applied in the measurement of only carbon dioxide
When being applied in the measurement of only carbon dioxide, infrared detecting device 201 is infrared dual-channel sensor, wherein
Signal is reference signal all the way, is carbon dioxide signals passage all the way in addition；
When being applied in the measurement of only carbon dioxide, the air inlet 102 of oxygen sensor and going out for oxygen sensor
Gas port 103 is connected by conduit；
When equipment carries out drainage using tank, the first air inlet 101, the second air inlet 104 of integrated gas path device 1
It is connected to drainage trap, the first air inlet 101 of equipment is gas concentration measurement gas circuit air inlet, the second air inlet 104 of equipment
For the shunting gas circuit air inlet of gas water filtering function.
When equipment carries out drainage without using tank, the second air inlet 104 of integrated gas path device 1 is hindered using plug
Plug, the first air inlet 101 of integrated gas path device 1 are the air inlet of gas concentration measurement gas circuit.
When equipment works, air pump unit 5 provides gas mobilization dynamic for equipment, and measurement gas enters one by sampling pipe
First air inlet 101 of body gas path device 1, measurement air chamber 121 is entered by gas valve unit 6, finally by integrated gas
The gas outlet 105 of road device is after air pump unit 5 outside device for transferring；Measure the infrared launcher 301 at air chamber both ends with
And infrared detecting device 201 detects to the gas concentration for surveying carbon dioxide in gas；
The infrared signal of infrared detecting device 201 passes through sensor circuit connector for substrate 202 and putting on main control board 7
Big circuit connection, signal after the amplification, collection of main control board by drawing digitized concentration signal.
Embodiment 2 is applied in carbon dioxide, oxygen measurement
When being applied in carbon dioxide, oxygen measurement, infrared detecting device 201 is binary channels infrared sensor, its
In all the way signal be reference signal passage, be carbon dioxide signals passage all the way in addition；
The oxygen sensor air inlet 102 of integrated gas path device 1 is connected to the gas outlet 103 of oxygen sensor
The air inlet of oxygen sensor and gas outlet；
It is same as above, using tank identical with the connected mode without using tank progress drainage, will not be repeated here.
When equipment works, air pump unit 5 provides gas mobilization dynamic for equipment, and measurement gas enters one by sampling pipe
The air inlet 101 of body gas path device 1, measurement air chamber 121 is entered by gas valve unit 6, completes carrying for carbon dioxide signals
After taking, gas enters oxygen sensor by the oxygen sensor air inlet 102 of integrated gas path device 1, from oxygen sensor
After gas outlet enters the oxygen sensor gas outlet 103 of integrated gas path device, then the outlet by integrated gas path device
Outside mouth 105 is by the remover apparatus of air pump unit 5；
The infrared signal of infrared detecting device 201 passes through sensor circuit connector for substrate 202 and putting on main control board 7
Big circuit connection, signal after the amplification, collection of main control board by drawing digitized gas concentration lwevel signal, while oxygen
Gas sensor, which is connected on main control board 7, carries out data acquisition process, draws the concentration signal of oxygen parameter, realizes titanium dioxide
The application of carbon, oxygen measurement.
Embodiment 3 is applied in more gasmetries
In more gasmetries, the measurement connection on oxygen parameter is identical with embodiment 2, repeats no more, carries out herein
It is the application of no oxygen measurement during explanation, medically conventional more gasmetries are to include carbon dioxide, laughing gas and anesthesia
7 kinds of measurement gases of gas.
When being applied in more gasmetries, infrared detecting device 201 is eight passage infrared sensors, wherein believing all the way
Number it is reference signal passage, other 7 road signals are corresponding gas signal passage.
It is same as above, using tank identical with the connected mode without using tank progress drainage, will not be repeated here.
When equipment works, air pump unit 5 provides gas mobilization dynamic for equipment, and measurement gas enters one by sampling pipe
The air inlet 101 of body gas path device 1, measurement air chamber 121 is entered by gas valve unit 6, completes carbon dioxide, laughing gas, fiber crops
After the extraction of liquor-saturated gas signal, pass through finally by integrated gas path device gas outlet 105 outside the remover apparatus of air pump unit 5.
8 tunnel infrared signals of infrared detecting device 201 pass through on sensor circuit connector for substrate 202 and main control board 7
Amplifying circuit connection, signal by main control board 7 amplification, collection after draw digitized carbon dioxide, laughing gas and
The concentration signal of five kinds of anesthetic gaseses, realize more gasmetry applications in medical treatment.
The equipment is not particularly limited for the material of each component unit, size, can be entered according to the situation of reality
The appropriate adjustment of row.
What said above is to combine a kind of preferred embodiment of the embodiment to the equipment, not limiting
The present invention, it is all under the concept thereof of the present invention, by simple deduction, replacement, modification etc., it should all be considered as belonging to the present invention's
In protection domain.
Implement this patent to have the advantage that：
The each functional unit design of the equipment is relatively independent, and assembling is simple and reliable, and equipment has simple in construction, space-consuming
Small, the characteristics of being easily integrated so that the equipment can apply to mini-medical equipment or portable medical device.
For the equipment after changing infrared detector and being more gas infrared detectors, equipment has more gas infrared survey energy
Power, the equipment can be as infrared survey pure gas or the public side stream type gasmetry platforms of more gases.
The equipment has the air-path interface of oxygen sensor so that the compatibility of oxygen sensor is more simple.
The equipment has unique infrared survey air chamber so that when the equipment is measured carbon dioxide in medical procedure,
40ml/min high level can be reached using minimum effective measurement flow.
The equipment simplifies gas flow measurement unit, reduces integrated gas path device space-consuming and optimizes one
Change the inner air path structure of gas path device.
It is described above, only it is the utility model preferred embodiment, not technical scope of the present utility model is appointed
What is limited, therefore every any trickle amendment, equivalent variations made according to the technical essence of the utility model to above example
With modification, in the range of still falling within technical solutions of the utility model.
Claims (10)
- A kind of 1. gasmetry Medical Devices, it is characterised in that：Including integrated gas path device, sensor circuit board, light source electricity Road plate, gas steady flow unit, air pump unit, gas valve unit, main control board；The integrated gas path device includes gasmetry air chamber, and the gasmetry air chamber is used for accommodating tested gas；The sensor circuit board connects with the integrated gas path device, main control board respectively, for infrared luminous intensity Detection；The light source circuit board connects with the integrated gas path device, governor circuit respectively, is made when being measured for gas The transmitting of infrared light；The gas steady flow unit connects with the integrated gas path device, for stable measured gas flow rates；The air pump unit connects with the integrated gas path device, there is provided is measured the power of gas flowing；The gas valve unit connects with the integrated gas path device, main control board respectively, for be tested gas and air it Between switching.
- 2. gasmetry Medical Devices according to claim 1, it is characterised in that：The sensor circuit board includes infrared Detection means and sensor circuit connector for substrate, wherein the sensor circuit board connector is connected with the main control board.
- 3. gasmetry Medical Devices according to claim 2, it is characterised in that：The sensor circuit board and the master Control circuit board is vertically arranged.
- 4. gasmetry Medical Devices according to claim 3, it is characterised in that：The light source circuit board includes infrared hair Injection device and circuit of light sources connector for substrate, wherein the light source circuit board connector is connected with the main control board.
- 5. gasmetry Medical Devices according to claim 4, it is characterised in that：The light source circuit board and the master control Circuit board is vertically arranged.
- 6. gasmetry Medical Devices according to claim 5, it is characterised in that：The light source circuit board and the sensing Device circuit board is placed in parallel, wherein the infrared launcher is in face position with the infrared detecting device, and is located respectively In the both sides of the gasmetry air chamber of the integrated gas path device.
- 7. gasmetry Medical Devices according to claim 1, it is characterised in that：The air pump unit includes air pump unit The gentle pump unit gas outlet of air inlet, the air pump unit air inlet connect with the gas outlet of the integrated gas path device, institute Air pump unit gas outlet is stated to turn on external environment condition.
- 8. gasmetry Medical Devices according to claim 1, it is characterised in that：The main control board is supervised including gas Detector is surveyed, the gas-monitoring detector is used for the pressure and flow for monitoring tested gas.
- 9. gasmetry Medical Devices according to claim 8, it is characterised in that：The integrated gas path device includes gas Body monitors mouth, and the gas-monitoring mouth is connected with the gas-monitoring detector, for the tested gas information collected to be passed Give the gas-monitoring detector；The gas-monitoring detector, the gas-monitoring mouth are two.
- 10. gasmetry Medical Devices according to claim 1, it is characterised in that：The gas valve unit includes magnetic valve Unit, the electromagnetic valve unit are connected with the main control board, for the tested gas and air of automatically switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293754.XU CN206671172U (en) | 2017-03-22 | 2017-03-22 | A kind of gasmetry Medical Devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293754.XU CN206671172U (en) | 2017-03-22 | 2017-03-22 | A kind of gasmetry Medical Devices |
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| CN206671172U true CN206671172U (en) | 2017-11-24 |
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| CN201720293754.XU Active CN206671172U (en) | 2017-03-22 | 2017-03-22 | A kind of gasmetry Medical Devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009123A (en) * | 2018-06-01 | 2018-12-18 | 深圳市理邦精密仪器股份有限公司 | Integrated gas path plate, gas treatment equipment and its Medical Devices |
-
2017
- 2017-03-22 CN CN201720293754.XU patent/CN206671172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009123A (en) * | 2018-06-01 | 2018-12-18 | 深圳市理邦精密仪器股份有限公司 | Integrated gas path plate, gas treatment equipment and its Medical Devices |
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