CN105891459B - A kind of multi-functional mainstream exhales last carbon dioxide sensor - Google Patents
A kind of multi-functional mainstream exhales last carbon dioxide sensor Download PDFInfo
- Publication number
- CN105891459B CN105891459B CN201610371198.3A CN201610371198A CN105891459B CN 105891459 B CN105891459 B CN 105891459B CN 201610371198 A CN201610371198 A CN 201610371198A CN 105891459 B CN105891459 B CN 105891459B
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- adapter
- locking portion
- hole
- carbon dioxide
- circuit
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
Abstract
The present invention relates to a kind of multi-functional mainstream to exhale last carbon dioxide sensor, including housing and adapter；The housing is detachably connected with adapter；Enclosure interior is cavity, equipped with the movement that last carbon dioxide is exhaled for testing and analyzing；The transmitting terminal of the infrared sensor end of movement and the infrared light supply of movement is correspondingly arranged, and groove is equipped with the housing between infrared sensor end and the transmitting terminal of infrared light supply；The groove is formed after being connected with adapter to be used to accommodate and detect the gas chamber of carbon dioxide；The adapter includes locking portion and the blow vent being arranged on locking portion；The locking portion is detachably connected with groove, and the ventilation gas port is connected with nasal tube or breathing circuit.The present invention can arrange in pairs or groups the adapter of a variety of different sizes, and then realize the measurement to non-intubation, intubated patient (adult, children), have the advantages that vdiverse in function, adapter easy switching, easy to operate, wearing is comfortable.
Description
Technical field
The invention belongs to electro physiology detection, monitoring technology field, more particularly to a kind of multi-functional mainstream to exhale last carbon dioxide
Sensor.
Background technology
Human tissue cell's metabolism produces C02Lung is transported through capillary and vein, is excreted when exhaling.Exhale
The concentration of last carbon dioxide can reflect the physiological metabolism, ventilation and recurrent state of human body.Clinically, end-tidal titanium dioxide is passed through
The concentration of carbon has important application：Monitoring ventilatory function, maintain normal ventilation amount, determine position of trachea, find expiration machine in time
Mechanical breakdown, adjust ventilator parameter and instruct lung ventilator to remove, monitor internal C02Change and monitoring circulatory function etc.
Deng.
The sample mode of gas has two kinds：Side stream type and main stream-type.Side stream type will in tracheae or feed channel with thin sampling pipe
Gas is extracted into sampling gas chamber, can be used for intubated patient and non-intubated patients at the same time.Main stream-type is to be mounted directly sensor
In on the interface of tracheal catheter, making breathing gas directly and sensor contacts.
But main stream-type is only used for intubated patient at present, does not there is the monitoring mainstream end dioxy suitable for non-intubation crowd
Change the sensor of carbon.Therefore, it is impossible to meet the use needs of the crowd of non-intubation.
The content of the invention
In view of the problems of prior art, the adapter of a variety of different sizes of the invention that can arrange in pairs or groups, and then realization pair
Non- intubation, the measurement of intubated patient (adult, children), there is vdiverse in function, adapter easy switching, easy to operate, wearing to relax
The advantages that suitable.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of multi-functional mainstream exhales last carbon dioxide sensor, including housing and adapter；The housing can with adapter
Dismantling connection；
Enclosure interior is cavity, equipped with the movement that last carbon dioxide is exhaled for testing and analyzing；The infrared sensor end of movement
It is correspondingly arranged with the transmitting terminal of the infrared light supply of movement, on the housing between infrared sensor end and the transmitting terminal of infrared light supply
Equipped with groove；The groove is formed after being connected with adapter to be used to accommodate and detect the gas chamber of carbon dioxide；
The adapter includes locking portion and the blow vent being arranged on locking portion；The locking portion and groove are detachable
Connection, the blow vent are connected with nasal tube or breathing circuit.
The beneficial effects of the invention are as follows：
The present invention can arrange in pairs or groups the adapter of a variety of different sizes, and then realize to non-intubation, intubated patient (adult, children)
Measurement, have the advantages that vdiverse in function, adapter easy switching, it is easy to operate, wear it is comfortable.
Housing is detachably connected with adapter, can according to the actual needs, such as：Intubation or it is non-intubation, children or into
Situations such as people, select the adapter of appropriate type or size, make function more various.
Movement exhales last carbon dioxide for detection and analysis, and can be stored the data of detection and analysis, subsequent treatment,
Most result is output to host at last, in use, End-tidal carbon dioxide is through nasal tube or breathing circuit through entering in gas chamber successively,
Configured infrared light supply generating means and infrared sensor detection inside housings.
By the way of nasal tube, compared with the acquisition method of face mask type, avoid using in the case of prolonged continuous monitoring
Person can feel to feel suffocated, unsmooth breath.
Multi-functional mainstream of the present invention exhales last carbon dioxide sensor to be led under conditions of continuous monitoring
Stream exhales the real-time of last carbon dioxide to monitor, the relevant parameter of real time reaction end-expiratory carbon dioxide, such as：Concentration, partial pressure and exhale
Inhale frequency and other specification etc..
Based on the above technical solutions, the present invention can also be improved as follows.
Further, the movement includes infrared light supply generating means and the infrared sensor for detecting carbon dioxide, institute
It is binary channels infrared sensor to state infrared sensor；Cavity is divided into the first cavity and the second cavity by groove, is set in the first cavity
There is infrared sensor, infrared light supply generating means, the transmitting terminal of infrared light supply generating means and infrared biography are equipped with the second cavity
The test side of sensor is opposite；The opposite side wall of groove is respectively equipped with first through hole, one of first through hole and the first cavity
Connection, another first through hole are connected with the second cavity；With the first through hole that the first cavity connects covered with infra-red transmitting window mouth
Piece, is covered with the first through hole that the second cavity connects by the infra-red transmitting window mouth piece of infrared light supply generating means.
Beneficial effect using the above scheme is：
The optical filter for only allowing narrowband wavelength to pass through respectively is covered with binary channels infrared sensor, the opposite of sensor is red
Outer light source generating means, infrared light supply generating means are used to produce infrared light supply, and 4.26 micron wave lengths on a passage are only right
Carbon dioxide has decay, another passage does not decay carbon dioxide then.The difference and gas concentration lwevel of the two signals
There is function (index) relation, microcontroller calculates gas concentration lwevel according to this functional relation.It is red using binary channels
Outer sensor can make the result of detection more accurate.
Further, the adapter includes the first adapter, the second adapter and/or the 3rd adapter；
First adapter, the second adapter and the 3rd adapter include locking portion, and locking portion forms with groove and accommodates two
The gas chamber of carbonoxide；The second through hole is equipped with the opposite side wall of locking portion, the second through hole is covered with saturating infrared film；It is described suitable
First through hole of second through hole respectively with groove with portion is correspondingly arranged.
Beneficial effect using the above scheme is：
After adapter is connected with groove, End-tidal carbon dioxide is entered in gas chamber through adapter, and infrared light supply occurs
The infrared light that device produces, sequentially pass through infra-red transmitting window mouth piece that infrared light supply generating means itself has, one of them second
Saturating infrared film, gas chamber, the saturating infrared film of another the second through hole of through hole, the infra-red transmitting window mouth piece of first through hole covering, it
Afterwards, the infrared light detected is converted into electric signal by infrared sensor.
The setting of infra-red transmitting window mouth piece can be with penetrating infrared light, and seals the second through hole, prevents that carbon dioxide is logical from second
Overflowed in hole.
Further, two ventilations that first adapter includes the first locking portion and is arranged on the first locking portion
Mouthful, one of blow vent is air inlet, another blow vent is gas outlet, and air inlet is correspondingly arranged with gas outlet；It is described
First locking portion be inner hollow case structure, in use, air inlet be located at close to human face position, the air inlet with
The nasal tube gas outlet connection of nasal tube；The corresponding two side for being located at the first locking portion of two the second through holes of first adapter
On, which is equipped with the edge connecting of slot, the slot and groove.
It is using the above-mentioned further beneficial effect of scheme：
When first adapter is used cooperatively with housing, it can meet the use needs of non-intubated patient.In use, nasal tube with
After the connection of first adapter, the first adapter is inserted in the groove of housing, will be at the nostril of nasal tube insertion user or close
At nostril, breathing.Carbon dioxide is monitored by the movement of enclosure interior.By reasonably setting, there is operation
Simply, it is convenient to wear, monitoring result quick and precisely the advantages that.
Further, second adapter and the axis of first through hole are vertically arranged；
Second adapter includes the second locking portion and the first snorkel and second positioned at the second locking portion both ends
Snorkel, the first snorkel and the second snorkel are respectively equipped with blow vent；First snorkel and the second snorkel respectively with
The inside connection of second locking portion, first snorkel and the second snorkel are connected in breathing circuit.
It is using the above-mentioned further beneficial effect of scheme：
After second adapter and shell combination, can meet the use needs of intubated patient, be particularly suitable for respiratory capacity compared with
The use of big patient needs, such as：The intubated patient that is grown up uses.It is in use, the first snorkel and the second snorkel is direct
It is connected in or is connected in by other accessories in breathing circuit.With it is easy to operate, wear convenient, monitoring result is quick and precisely etc. excellent
Point.
Further, the 3rd adapter includes outer tube and inner tube, and outside inner tube, the outer tube is adapted to outer tube sleeve with second
The structure of device is identical；Said inner tube includes the first connector and the second connector, first connector one end and the second connector
One end is by snapping connection.
Further, first connector is tubular structure, and tube wall is equipped with card hole；
Second connector is tubular structure, the tubular structure be divided into vertically Handheld Division, the 3rd locking portion and
Plug division；3rd locking portion is correspondingly arranged with the second locking portion, and the 3rd locking portion is equipped with through hole and the through hole and the
The position correspondence of one through hole is set；The side wall of the plug division is equipped with buckle, the buckle stretch into card hole and with card hole card
Tightly.
It is using the above-mentioned further beneficial effect of scheme：
After 3rd adapter and shell combination, can meet the use needs of intubated patient, be particularly suitable for respiratory capacity compared with
The use of small patient needs, such as：Children intubated patient uses.In use, snorkel is directly coupled to or is matched somebody with somebody by other
Part is connected in breathing circuit.With it is easy to operate, wear it is convenient, monitoring result quick and precisely the advantages that.
For 3rd adapter by the way of inner and outer tubes are arranged, outer tube is identical with the second adapter structure, adds portion
The applicability of part.Inner tube is located in outer tube, reduces the diameter of breathing circuit, is used especially suitable for children intubated patient.It is interior
Tube portion by the way of two connector clampings, using card hole with buckle mating reaction, have it is easy to operate, connection it is firm
The advantages that.
Further, the movement further includes pre-amplification circuit, analog signal processing circuit, sets storage circuit, host CPU
And peripheral circuit, LED light display circuit and power management communication power supply interface；
The infrared sensor is electrically connected with pre-amplification circuit, the pre-amplification circuit and analog signal processing electricity
Road, set storage circuit, host CPU and peripheral circuit, power management communication power supply interface and infrared light supply generating means to lead to successively
Cross flexible cord electrical connection；The LED light display circuit is electrically connected with host CPU and peripheral circuit by flexible cord；The infrared sensor
Stacked with pre-amplification circuit；The infrared sensor, pre-amplification circuit, analog signal processing circuit and setting storage
Circuit is respectively positioned in the first cavity；Power management communication power supply interface, host CPU and peripheral circuit, LED light display circuit and infrared
Light source generator is located in the second cavity, and the power management communication power supply interface, host CPU and peripheral circuit, LED light are shown
Circuit stacks gradually together, and LED light display circuit is located at close to the side of observer.
Infrared sensor and pre-amplification circuit form infrared sensor and pre-amplification circuit after stacking.
Infrared sensor itself posts narrow band pass filter (wavelength is 4.26 microns), and infrared light is converted into by infrared sensor
Electric signal, if C02When, due to C02To 4.26 microns of infrared waves with absorption, so electric signal diminishes.Preceding storing
The electric signal that big circuit obtains infrared sensor amplifies.
Analog signal processing circuit is directed to the electric signal through pre-amplification circuit amplification and is further amplified.
Storage circuit is set to be used for the storage of all data of storage system and calibration data.
Host CPU and peripheral circuit are calculated for all signal control.
LED light display circuit is used for the state of real-time display carbon dioxide, can show respiratory waveform.When host CPU detects
During to carbon dioxide, control LED light display circuit shines.If carbon dioxide real-time concentration is higher, LED light display circuit is controlled
The figure that brighter or light is formed increases or extends.
Power management communication power supply interface is used for realization the functions such as power supply, communication, the transmission of data.
Infrared light supply generating means is used to produce infrared light supply, and infrared light supply can be controlled.
It is using the above-mentioned further beneficial effect of scheme：
In order to avoid the excessive caused normal use for influencing user of volume, multi-functional mainstream of the present invention exhales end
Compact structure, the space availability ratio of carbon dioxide sensor are high.In the case of existing, the various pieces of movement are all integrated with one piece
On circuit board, structure can not be suitable for the invention.The present invention use split type structure design, by various pieces (such as：It is red
Outer sensor and pre-amplification circuit, analog signal processing circuit, set storage circuit, host CPU and peripheral circuit, LED light to show
Show circuit, power management communication power supply interface and infrared light supply generating means) connected using flexible cord, infrared sensor and infrared
Light source generator is located at the first cavity and the second cavity respectively, ensures the monitoring carbon functional realization of titanium dioxide；Using power supply pipe
Reason communication power supply interface, host CPU and peripheral circuit, the mode of the stacking of LED light display circuit successively, practice every conceivable frugality space, protects
On the premise of hindering function, meet reasonably to set in narrow space, there is saving space, compact-sized.
Setting close to the side of observer is located at by LED light display circuit, is conducive to convenient observation breathing situation.
Further, external line is additionally provided with the outside of housing, one end and the power management communication of the external line supply
Electrical interface is electrically connected, and the other end of the external line is electrically connected with host.
It is using the above-mentioned further beneficial effect of scheme：External line produces guarantor to the circuit used in a connection procedure
The effect of shield, is exported the data for monitoring analysis to host by circuit, while for exhaling last carbon dioxide to multi-functional mainstream
Sensor is powered.
Further, the housing is additionally provided with for wearing the with holes of belt.
It is using the above-mentioned further beneficial effect of scheme：In use, belt can be threaded through on housing, pass through belt
Setting have the advantages that to be easy to use, wear it is convenient.
Further, the nasal tube is U-shaped nasal tube, and the top of U-shaped nasal tube is nasal tube air inlet, positioned at the nostril of user
Place；The bottom of U-shaped nasal tube is nasal tube gas outlet, and the blow vent of the nasal tube gas outlet and adapter connects.
It is using the above-mentioned further beneficial effect of scheme：Be conducive to gather End-tidal carbon dioxide.
Brief description of the drawings
Fig. 1 is the overall configuration schematic diagram (movement that multi-functional mainstream of the present invention exhales last carbon dioxide sensor
Each several part be used for connect flexible cord and be not drawn into)；
Fig. 2 be embodiment 1 of the present invention configuration schematic diagram (each several part of movement be used for connect flexible cord not
Draw)；
Fig. 3 be embodiment 2 of the present invention configuration schematic diagram (each several part of movement be used for connect flexible cord not
Draw)；
Fig. 4 be embodiment 3 of the present invention configuration schematic diagram (each several part of movement be used for connect flexible cord not
Draw)；
Fig. 5 is the wearing structure diagram of the embodiment of the present invention 1；Including Fig. 5 A, Fig. 5 B, Fig. 5 C and Fig. 5 D；
Fig. 6 includes Fig. 6 A to Fig. 6 B, is respectively the structure diagram of nasal tube；
Fig. 7 includes Fig. 7 A to Fig. 7 G, is respectively the structure diagram of the second adapter；
Fig. 8 is the structure diagram of shell cover；
Fig. 9 includes Fig. 9 A to Fig. 9 G, is respectively the structure diagram of body；
Figure 10 includes Figure 10 A to Figure 10 G, is respectively the structure diagram of the first connector；
Figure 11 includes Figure 11 A to Figure 11 G, is respectively the structure diagram of the first adapter；
Figure 12 includes Figure 12 A to Figure 12 G, is respectively the structure diagram of the second connector；
Figure 13 is the structure diagram of external line.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, the first adapter, the 110, first locking portion, 111, slot, the 112, second through hole, 113, air inlet, 114, outlet
Mouthful, 115, raised；
2nd, the second adapter, the 210, second locking portion, the 211, first snorkel, the 212, second snorkel；
3rd, the 3rd adapter, the 310, first connector, the 311, second connector, 312, card hole, 313, buckle, 314, hand-held
Portion, the 315, the 3rd locking portion, 316, plug division；
4th, housing, 410, body, 411, shell cover, the 412, first cavity, the 413, second cavity, 414, groove, 415, first
Through hole, 416, the slot of housing, 417, with holes；
5th, belt；
6th, infrared sensor and pre-amplification circuit, 7, analog signal processing circuit, 8, storage circuit is set, 9, host CPU
And peripheral circuit, 10, LED light display circuit, 11, power management communication power supply interface, 12, infrared light supply generating means, 13, outer
Line in succession, 14, nasal tube.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1 to figure 13, a kind of multi-functional mainstream exhales last carbon dioxide sensor, including housing 4 and adapter；Institute
Housing 4 is stated to be detachably connected with adapter；
The inside of housing 4 is cavity, equipped with the movement that last carbon dioxide is exhaled for testing and analyzing；The infrared sensor end of movement
It is correspondingly arranged with the transmitting terminal of the infrared light supply of movement, the housing 4 between infrared sensor end and the transmitting terminal of infrared light supply
It is equipped with groove 414；The groove 414 is formed after being connected with adapter to be used to accommodate and detect the gas chamber of carbon dioxide；
The groove 414 illustrated in the present invention in Fig. 1 to Fig. 4, can also be by the shape of groove 414 when specifically used to be square
Shape suitably changes.
The adapter includes locking portion and the blow vent being arranged on locking portion；The locking portion can with groove 414
Dismantling connection, the blow vent are connected with nasal tube 14 or breathing circuit.
As shown in Figure 8 and Figure 9, housing 4 can be divided into body 410 and shell cover 411；The body 410 and shell cover 411 can be with
Being fixedly connected to be detachably connected.
The movement includes infrared light supply generating means 12 and the infrared sensor for detecting carbon dioxide, described infrared
Sensor is binary channels infrared sensor.
Cavity is divided into the first cavity 412 and the second cavity 413 by groove 414, and infrared sensing is equipped with the first cavity 412
Device, is equipped with infrared light supply generating means 12, the transmitting terminal and infrared sensor of infrared light supply generating means 12 in the second cavity 413
Test side it is opposite；The opposite side wall of groove 414 is respectively equipped with first through hole 415, one of first through hole 415 and first
Cavity 412 connects, another first through hole 415 is connected with the second cavity 413；The first through hole connected with the first cavity 412
415 covered with infra-red transmitting window mouth piece, and the first through hole 415 connected with the second cavity 413 is by the saturating red of infrared light supply generating means
Outer diaphragm covering.
Specific when setting, the movement includes infrared sensor and pre-amplification circuit 6 (including infrared sensor and preposition
Amplifying circuit, infrared sensor and pre-amplification circuit are electrically connected), analog signal processing circuit 7, storage circuit 8 is set, is main
CPU and peripheral circuit 9, LED light display circuit 10, power management communication power supply interface 11 and infrared light supply generating means 12；Institute
State infrared sensor and pre-amplification circuit 6 and analog signal processing circuit 7, setting storage circuit 8, host CPU and peripheral circuit
9th, power management communication power supply interface 11 and infrared light supply generating means 12 pass sequentially through flexible cord electrical connection；The LED light is shown
Circuit 10 is electrically connected with host CPU and peripheral circuit 9 by flexible cord；The infrared sensor and pre-amplification circuit 6, analog signal
Process circuit 7 and setting storage circuit 8 are respectively positioned in the first cavity 412；Power management communication power supply interface 11, host CPU and outer
Enclose circuit 9, LED light display circuit 10 and infrared light supply generating means 12 to be located in the second cavity 413, the power management communication
Power supply interface 11, host CPU and peripheral circuit 9, LED light display circuit stack gradually together 10, and LED light display circuit 10
Positioned at close to the side of observer.
As shown in figure 13, external line 13, one end and the power supply pipe of the external line 13 are additionally provided with the outside of housing 4
Reason communication power supply interface 11 is electrically connected, and the other end of the external line 13 is electrically connected with host.
The adapter includes the first adapter 1, the second adapter 2 and/or the 3rd adapter 3.When specifically used, one
A housing 4 can match somebody with somebody one or several adapters, select according to specific circumstances specifically with which adapter.First adapter 1,
Second adapter 2 and the 3rd adapter 3 include locking portion, and locking portion forms the gas chamber for accommodating carbon dioxide with groove 414；It is suitable
The second through hole 112 is equipped with opposite side wall with portion, the second through hole 112 is covered with saturating infrared film；The of the locking portion
Two through holes 112 are correspondingly arranged with the first through hole 415 of groove respectively.
For intubated patient, adopted by way of adapter is connected with intubation when specifically used
Collection call end carbon dioxide.Since the age of Monitoring Population is different, adapter it is of different sizes, be now divided into the big adapter of respiratory capacity
The small adapter with respiratory capacity.
It is introduced below by some specific embodiments.
1 first adapter of embodiment is used cooperatively with housing
As shown in figs. 2 and 11, the first adapter 1 includes the first locking portion 110 and is arranged on the first locking portion 110
Two blow vents, one of blow vent is air inlet 113, another blow vent is gas outlet 114, air inlet 113 with
Gas outlet 114 is correspondingly arranged；First locking portion 110 is the square case structure of inner hollow, for suitable with groove 414
Match somebody with somebody.The second through hole 112 is respectively equipped with the two side of square case structure, the second through hole 112 is covered with saturating infrared film；Two
Two through holes 112 are correspondingly arranged with first through hole 415 respectively.
In use, air inlet 113 is located at close to the position of human face, the nasal tube outlet of the air inlet 113 and nasal tube 14
Mouth connection；Two the second through holes 112 of the first adapter 1 are corresponding to be located on the two side of the first locking portion 110, this two
Side wall is equipped with slot 111,416 grafting of slot for the housing that the edge of the slot 111 and groove 414 is equipped with.
The housing 4 be additionally provided with for wear belt 5 with holes 417.In specific set, one of them uses example
For：Belt 5 is that on the first locking portion 110 that belt 5 contacts protrusion 115 can also be set, for belt 5 through with holes
Positioned.
As shown in fig. 6, nasal tube 14 is U-shaped nasal tube, the top of U-shaped nasal tube is nasal tube air inlet, positioned at the nostril of user
Place；The bottom of U-shaped nasal tube is nasal tube gas outlet, which is connected with the air inlet 113 of the first adapter 1.
When specifically used, by belt and multi-functional mainstream exhale the agent structure of last carbon dioxide sensor to connect with
Afterwards, worn, Fig. 5 illustrates wherein several wearing modes that multi-functional mainstream of the invention exhales last carbon dioxide sensor.
Using the side away from user before, using the side of close user after.After wearing, shell cover 411 is located at front side, and LED light is shown
Show that circuit 10 is located at the shell cover 411, breathing situation is observed easy to observer, air inlet 113 upward and is connected with U-shaped nose
Pipe, the axis of U-shaped nasal tube is vertical with the axis of housing 4 at this time.
The carbon dioxide of user's exhalation enters gas chamber through nasal tube, is detected through movement, and detection data are output on host.
If monitoring carbon dioxide, LED light display circuit 10 has bright wait to show, if monitoring that carbon dioxide produces change, LED light
Display circuit 10 is synchronous to produce change, and the presence or absence of carbon dioxide, power are carried out visualization and shown.
The set-up mode of belt can have diversified forms, be not limited to the wearing mode that the present invention illustrates, such as：Fig. 5 A and figure
It is one whole belt shown in 5B, the both ends of belt are fixed with housing respectively, and belt is integrally sleeved on head；Fig. 5 C and figure for another example
Shown in 5D, equipped with two belts, the both sides of housing are separately positioned on.For every belt, one end is fixed on shell by connector
On body, one end can be sleeved on ear in round, and being additionally provided with belt can be user-friendly with the structure of adjustment length.
2 second adapter of embodiment is used cooperatively with housing
As shown in figure 3, the second adapter 2 and the axis of first through hole 415 are vertically arranged；
As shown in fig. 7, the entirety of the second adapter 2 is in a tubular form, the second adapter 2 includes the second locking portion 210 and position
The first snorkel 211 and the second snorkel 212 in the second locking portion both ends, for the ease of the installation of the second adapter 2, usually
One end bore is big, and one end bore is small.For example, the mouth of the second snorkel 212 can be more than or less than with the bore of the first snorkel 211
Footpath.
First snorkel 211 and the second snorkel 212 are respectively equipped with blow vent；First snorkel 211 and second is logical
Inside of the tracheae 212 respectively with the second locking portion 210 connects, and 211 and second snorkel 212 of the first snorkel, which is connected to, exhales
Suck back in road.
Second locking portion 210 is square groove-like structure, for being adapted to groove 414.Two of second locking portion 210 are opposite
Two side on be respectively equipped with the second through hole 112, two the second through holes 112 are all covered with infrared film.Two the second through holes 112
It is correspondingly arranged respectively with two first through hole 415.The two side equipped with the second through hole 112 of second locking portion 210, which is equipped with, inserts
The gas chamber for accommodating and detecting carbon dioxide is formed after 416 grafting of slot of groove, the slot and housing.
Second adapter coordinates the crowd for being suitable for being intubated big respiratory capacity to use with housing, such as adult intubation crowd.
When specifically used, last carbon dioxide sensor is exhaled to be connected in breathing circuit multi-functional mainstream.
Using the side away from user before, using the side of close user after.After wearing, shell cover 411 is located at front side,
LED light display circuit 10 is located at shell cover 411, and breathing situation is observed easy to observer.The axis and shell of second adapter
The axis of body is vertical.
The carbon dioxide of user's exhalation is detected through movement, and detection data are output on host.If monitor titanium dioxide
Carbon, LED light display circuit 10 have bright wait to show, if monitoring that carbon dioxide produces change, the synchronous production of LED light display circuit 10
Changing, carries out visualization by the presence or absence of carbon dioxide, power and shows.
The 3rd adapter of embodiment 3 is used cooperatively with housing
As shown in figure 4, the 3rd adapter 3 includes outer tube and inner tube, outside inner tube, the outer tube is adapted to outer tube sleeve with second
The structure of device 2 is identical；Said inner tube includes the first connector 310 and the second connector 311,310 one end of the first connector and
One end of two connectors 311 passes through the connection of buckle 313.
As shown in Figure 10, the first connector is tubular structure, and tube wall is equipped with card hole 312；
As shown in figure 12, the second connector is tubular structure, which is divided into Handheld Division 314, vertically
Three locking portions 315 and plug division 316；3rd locking portion 315 is correspondingly arranged with the second locking portion 210, the 3rd adaptation
Portion 315 is equipped with through hole and the through hole and the position correspondence of first through hole 415 are set；The side wall of the plug division 316 is equipped with card
Button 313, the buckle 313 stretch into card hole 312 and with 312 clamping of card hole.
Due to the addition of inner tube, reduce the internal diameter of the 3rd adapter 3, therefore, the 3rd adapter coordinates with housing, is suitable for
The less intubation crowd of respiratory capacity uses, such as：Children are intubated crowd.
When specifically used, last carbon dioxide sensor is exhaled to be connected in breathing circuit multi-functional mainstream.User exhales
The carbon dioxide gone out is detected through movement, and detection data are output on host.If monitoring carbon dioxide, LED light display circuit
10 have bright wait to show, if monitoring that carbon dioxide produces change, synchronous produce of LED light display circuit 10 changes, by titanium dioxide
The presence or absence of carbon, power carry out visualization and show.
There is no particular limitation for material and size of the invention for each component, can be fitted according to specific circumstances
Work as adjustment.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area
Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature
Close and combine.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of multi-functional mainstream exhales last carbon dioxide sensor, it is characterised in that including housing (4) and adapter；The shell
Body (4) is detachably connected with adapter；
It is cavity that housing (4) is internal, equipped with the movement that last carbon dioxide is exhaled for testing and analyzing；The infrared sensor end of movement with
The transmitting terminal of the infrared light supply of movement is correspondingly arranged, the housing (4) between infrared sensor end and the transmitting terminal of infrared light supply
It is equipped with groove (414)；The groove (414) is formed after being connected with adapter to be used to accommodate and detect the gas chamber of carbon dioxide；
The adapter includes locking portion and the blow vent being arranged on locking portion；The locking portion and groove (414) are removable
Connection is unloaded, the blow vent is connected with nasal tube (14) or breathing circuit；
The movement includes infrared light supply generating means (12) and the infrared sensor for detecting carbon dioxide, the infrared biography
Sensor is binary channels infrared sensor；Cavity is divided into the first cavity (412) and the second cavity (413) by groove (414), and first is empty
Infrared sensor is equipped with chamber (412), infrared light supply generating means (12) is equipped with the second cavity (413), infrared light supply occurs
The transmitting terminal of device (12) is opposite with the test side of infrared sensor；It is logical that the opposite side wall of groove (414) is respectively equipped with first
Hole (415), one of first through hole (415) connect with the first cavity (412), another first through hole (415) and second
Cavity (413) connects；The first through hole (415) connected with the first cavity (412) is covered with infra-red transmitting window mouth piece, with the second cavity
(413) first through hole (415) of connection is covered by the infra-red transmitting window mouth piece of infrared light supply generating means；
The adapter includes the first adapter (1), the second adapter (2) and the 3rd adapter (3)；
First adapter (1), the second adapter (2) and the 3rd adapter (3) include locking portion, locking portion and groove (414)
Form the gas chamber for accommodating carbon dioxide；The second through hole (112), the second through hole (112) are equipped with the opposite side wall of locking portion
Covered with saturating infrared film；The second through hole (112) of the locking portion is correspondingly arranged with the first through hole (415) of groove respectively；
Two ventilations that first adapter (1) includes the first locking portion (110) and is arranged on the first locking portion (110)
Mouthful, one of blow vent is air inlet (113), another blow vent is gas outlet (114), air inlet (113) and outlet
Mouth (114) is correspondingly arranged；First locking portion (110) is the case structure of inner hollow, in use, air inlet (113) position
Connected in close to the position of human face, the air inlet (113) with the nasal tube gas outlet of nasal tube (14)；First adapter (1)
Two the second through holes (112) are corresponding to be located on the two side of the first locking portion (110), which is equipped with slot
(111), the edge connecting of the slot (111) and groove (414)；
Second adapter (2) and the axis of first through hole (415) are vertically arranged；Second adapter (2) includes second
Locking portion (210) and the first snorkel (211) and the second snorkel (212) positioned at the second locking portion both ends, the first ventilation
Pipe (211) and the second snorkel (212) are respectively equipped with blow vent；First snorkel (211) and the second snorkel (212) point
Inside not with the second locking portion (210) connects, and first snorkel (211) and the second snorkel (212) are connected to breathing
In circuit；
3rd adapter (3) includes outer tube and inner tube, outer tube sleeve outside inner tube, the outer tube and the second adapter (2)
Structure is identical；Said inner tube includes the first connector (310) and the second connector (311), the first connector (310) one end and
One end of two connectors (311) passes through (313) connection that is buckled.
2. a kind of multi-functional mainstream exhales last carbon dioxide sensor according to claim 1, it is characterised in that described first connects
Fitting (310) is tubular structure, and tube wall is equipped with card hole (312)；
Second link element (311) is tubular structure, which is divided into Handheld Division (314), the 3rd vertically
Locking portion (315) and plug division (316)；3rd locking portion (315) is correspondingly arranged with the second locking portion (210), and described
Three locking portions (315) are equipped with through hole and the through hole and the position correspondence of first through hole (415) are set；The plug division (316)
Side wall is equipped with buckle (313), the buckle (313) stretch into card hole (312) and with card hole (312) clamping.
3. last carbon dioxide sensor is exhaled according to a kind of any one of claim 1-2 multi-functional mainstreams, it is characterised in that institute
Movement is stated to further include pre-amplification circuit, analog signal processing circuit (7), set storage circuit (8), host CPU and peripheral circuit
(9), LED light display circuit (10) and power management communication power supply interface (11)；The infrared sensor and pre-amplification circuit
It is electrically connected, the pre-amplification circuit and analog signal processing circuit (7), setting storage circuit (8), host CPU and peripheral circuit
(9), power management communication power supply interface (11) and infrared light supply generating means (12) pass sequentially through flexible cord electrical connection；The LED
Lamp display circuit (10) is electrically connected with host CPU and peripheral circuit (9) by flexible cord；The infrared sensor and pre-amplification circuit
Stack；The infrared sensor, pre-amplification circuit, analog signal processing circuit (7) and setting storage circuit (8) equal position
In the first cavity (412)；Power management communication power supply interface (11), host CPU and peripheral circuit (9), LED light display circuit
(10) it is located at infrared light supply generating means (12) in the second cavity (413), the power management communication power supply interface (11), master
CPU and peripheral circuit (9), LED light display circuit stack gradually (10) together, and LED light display circuit (10) is positioned at leaning on
The side of nearly observer.
4. a kind of multi-functional mainstream exhales last carbon dioxide sensor according to claim 3, it is characterised in that in housing (4)
Outside be additionally provided with external line (13), one end of the external line (13) and power management communication power supply interface (11) are electrically connected
Connect, the other end of the external line (13) is electrically connected with host.
5. last carbon dioxide sensor is exhaled according to a kind of any one of claim 1-2 multi-functional mainstreams, it is characterised in that institute
Housing (4) is stated to be additionally provided with for wearing the with holes of belt (5)；The nasal tube (14) is U-shaped nasal tube, and the top of U-shaped nasal tube is nose
Pipe air inlet, at the nostril of user；The bottom of U-shaped nasal tube is nasal tube gas outlet, the nasal tube gas outlet and adapter
Blow vent connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371198.3A CN105891459B (en) | 2016-05-30 | 2016-05-30 | A kind of multi-functional mainstream exhales last carbon dioxide sensor |
| PCT/CN2017/086046 WO2017206802A1 (en) | 2016-05-30 | 2017-05-26 | Multi-functional mainstream end-tidal carbon dioxide sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610371198.3A CN105891459B (en) | 2016-05-30 | 2016-05-30 | A kind of multi-functional mainstream exhales last carbon dioxide sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105891459A CN105891459A (en) | 2016-08-24 |
| CN105891459B true CN105891459B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610371198.3A Active CN105891459B (en) | 2016-05-30 | 2016-05-30 | A kind of multi-functional mainstream exhales last carbon dioxide sensor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105891459B (en) |
| WO (1) | WO2017206802A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891459B (en) * | 2016-05-30 | 2018-05-15 | 高举东 | A kind of multi-functional mainstream exhales last carbon dioxide sensor |
| EP3318180A1 (en) * | 2016-11-02 | 2018-05-09 | Koninklijke Philips N.V. | Device, system and method for co2 monitoring |
| CN108852319A (en) * | 2018-07-27 | 2018-11-23 | 苏州创莱电子科技有限公司 | Main stream-type End-tidal carbon dioxide detection device |
| CN109431508A (en) * | 2018-11-29 | 2019-03-08 | 康泰医学系统（秦皇岛）股份有限公司 | A kind of mainstream end-expiratory carbon dioxide detector |
| CN111839594A (en) * | 2019-04-29 | 2020-10-30 | 首都医科大学附属北京胸科医院 | Lung cancer circulating tumor cell detection device |
| CN113181451A (en) * | 2021-06-03 | 2021-07-30 | 山东大学 | Human ETCO2Concentration detection method and system and oropharyngeal channel sputum suction device |
| CN113679374A (en) * | 2021-08-18 | 2021-11-23 | 清华珠三角研究院 | Main flow type expiratory carbon dioxide concentration and respiratory flow detection device and method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070225612A1 (en) * | 1996-07-15 | 2007-09-27 | Mace Leslie E | Metabolic measurements system including a multiple function airway adapter |
| US6632402B2 (en) * | 2001-01-24 | 2003-10-14 | Ntc Technology Inc. | Oxygen monitoring apparatus |
| US7462154B2 (en) * | 2001-03-08 | 2008-12-09 | Nihon Kohden Corporation | Sensor for measuring carbon dioxide in respiratory gas |
| US8312878B2 (en) * | 2006-12-04 | 2012-11-20 | Ric Investments, Llc | Compensation of volumetric errors in a gas monitoring system |
| RU2014123351A (en) * | 2011-11-07 | 2015-12-20 | Конинклейке Филипс Н.В. | SYSTEM AND METHOD OF MONITORING THE COMPOSITION IN A SYSTEM OF BY-SELECTION WITH USE OF A SINGLE-TIME SELECTION CAMERA |
| CN103705243B (en) * | 2013-12-16 | 2015-11-04 | 天津大学 | Main stream-type breathing carbon dioxide concentration and respiratory flow synchronous monitoring method |
| US20160073929A1 (en) * | 2014-09-17 | 2016-03-17 | Oridion Medical 1987 Ltd. | Gas sampling connector |
| CN104568807A (en) * | 2014-12-03 | 2015-04-29 | 深圳大学 | Device and method for measuring end-tidal carbon dioxide |
| CN104586395B (en) * | 2015-02-04 | 2016-08-31 | 广州弘凯物联网服务有限公司 | The detection device and method of carbon dioxide level in a kind of Non-invasive detection blood of human body |
| CN205665252U (en) * | 2016-05-30 | 2016-10-26 | 高举东 | Last carbon dioxide sensor is exhaled to multi -functional mainstream |
| CN105891459B (en) * | 2016-05-30 | 2018-05-15 | 高举东 | A kind of multi-functional mainstream exhales last carbon dioxide sensor |
-
2016
- 2016-05-30 CN CN201610371198.3A patent/CN105891459B/en active Active
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2017
- 2017-05-26 WO PCT/CN2017/086046 patent/WO2017206802A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN105891459A (en) | 2016-08-24 |
| WO2017206802A1 (en) | 2017-12-07 |
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Effective date of registration: 20180614 Address after: 100143 room 1128, 1 building, 59 Banbidian, west suburb, Haidian District, Beijing. Patentee after: Beijing Jinjiaxin Trading Co.,Ltd. Address before: 100143 room 1128, 1 building, 59 Banbidian, west suburb, Haidian District, Beijing. Patentee before: Gao Judong |