CN108814805A - Dan Wenyuan multiple target temperature Medical temperature-controlled system and temperature control method - Google Patents
Dan Wenyuan multiple target temperature Medical temperature-controlled system and temperature control method Download PDFInfo
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- CN108814805A CN108814805A CN201810853713.0A CN201810853713A CN108814805A CN 108814805 A CN108814805 A CN 108814805A CN 201810853713 A CN201810853713 A CN 201810853713A CN 108814805 A CN108814805 A CN 108814805A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims description 72
- 238000004891 communication Methods 0.000 claims description 42
- 230000036760 body temperature Effects 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000003507 refrigerant Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 208000034657 Convalescence Diseases 0.000 description 1
- 206010020741 Hyperpyrexia Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/0085—Devices for generating hot or cold treatment fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0086—Heating or cooling appliances for medical or therapeutic treatment of the human body with a thermostat
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of Dan Wenyuan multiple target temperature Medical temperature-controlled systems, including constant temperature flow container and electric control gear, constant temperature flow container to be connected with thermoregulating system；Constant temperature flow container is connected in parallel to two sets or more of the warm mechanism of use；Often applying warm mechanism includes using warm device, hybrid electromagnetic valve and circulating pump, is provided around with warm device inner disc and dissipates temperature pipe, and scattered temperature pipe one end is connected with water return pipeline, dissipates the temperature pipe other end and is connected with inlet pipeline；Circulating pump is connected in series on inlet pipeline；Target temperature sensor is equipped at circulating-pump outlet, constant temperature flow container is connected with liquid tank temperature sensor；The invention also discloses the temperature control methods for using above system.The configuration of the present invention is simple, it is easy to use, it is able to use a set of temperature source and ensures multiple different temperatures demands with warm device, temperature source need not be respectively set for warm device is often applied, reduce equipment cost, improve utilization rate of equipment and installations, equipment total volume is reduced, temperature overshoot section phenomenon can be prevented.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of operating room temperature control systems.
Background technique
With the progress of medical technology, many diseases can be obtained medical treatment by operation.During performing the operation progress,
The body temperature of patient is possible to exception, such as hypothermia, or hyperpyrexia due to fever occur.Occurs abnormal body temperature in operation
Danger can be brought to patient, it is possible to cause to perform the operation unsuccessful.After operation, the patient of abnormal body temperature occurs, is generally difficult to quickly
Restore normal body temperature, this results in the increase of the negative effect to human body of performing the operation, and the convalescence of patient extends.Therefore, one kind is designed
Temperature control system for controlling human body temperature is very necessary.
Operating room may have multiple surgery locations, need to provide a set of be used for for each surgery location in the prior art
The temperature source being heated or cooled, both increases equipment cost in this way, also reduces utilization rate of equipment and installations（With temperature corresponding to temperature source
When for example blanket does not work, temperature source does not also work device）, while increasing the total volume of temperature controlling instruments.The common use of operating room
Warm device has temperature control woollen blanket, temperature control cap etc..
Summary of the invention
Multiple different temperatures demands with warm device are ensured using a set of temperature source the purpose of the present invention is to provide a kind of
Medical temperature-controlling system, temperature source can only with a set of thermoregulating system realize heating or cool down.
To achieve the above object, Dan Wenyuan multiple target temperature Medical temperature-controlled system of the invention includes constant temperature flow container and automatically controlled
Device, constant temperature flow container are connected with thermoregulating system；The mixed liquor of water and alcohol is filled in constant temperature flow container, constant temperature flow container is connected in parallel to
The warm mechanism of two sets or more of use；
Often applying warm mechanism includes using warm device, hybrid electromagnetic valve and circulating pump, and there are two import one for hybrid electromagnetic valve tool
Outlet；Two imports of hybrid electromagnetic valve are respectively the first import and the second import；
It is provided around the scattered temperature pipe for dissipating temperature with warm device inner disc, temperature pipe one end is dissipated and is connected with water return pipeline, it is another to dissipate temperature pipe
End is connected with inlet pipeline；Water return pipeline is separately connected the first import of the constant temperature flow container and the hybrid electromagnetic valve；Mixing
Second import of solenoid valve connects the constant temperature flow container, and the outlet of hybrid electromagnetic valve connects inlet pipeline, and circulating pump is connected in series
On the inlet pipeline and the outlet of circulating pump is towards with warm device；Target temperature sensor is equipped at circulating-pump outlet, it is permanent
Warm flow container is connected with liquid tank temperature sensor；
The thermoregulating system, target temperature sensor, liquid tank temperature sensor, circulating pump and hybrid electromagnetic valve are and electric control gear
It is connected.
The thermoregulating system is heat pump system, and heat pump system includes compressor, the first condenser/evaporator, throttling set, the
Two condenser/evaporators, first liang of position four-way solenoid valve and second liang of position four-way solenoid valve, the refrigerant of heat pump system is in heat pump system
It unites and circulates in each component；Compressor has air entry and exhaust outlet, the first condenser/evaporator and the second condenser/evaporator point
Not Ju You the first communication port and the second communication port, throttling set have throttling import and throttling outlet；The first two four-way electromagnetics
Valve and second liang of position four-way solenoid valve are respectively equipped with first interface, second interface, third interface and the 4th interface；
Compress the first interface that the exhaust outlet connect connects first liang of position four-way solenoid valve, the first communication port of the first condenser/evaporator
Connect the second interface of first liang of position four-way solenoid valve, the throttling outlet of throttling set connects the of first liang of position four-way solenoid valve
Three interfaces, the first communication port of the second condenser/evaporator connect the 4th interface of first liang of position four-way solenoid valve；
The first interface of second liang of position four-way solenoid valve is connected to the second communication port of the second condenser/evaporator, and the second two four
The throttling import of the second interface connection throttling set of three-way electromagnetic valve, the third interface connection first of second liang of position four-way solenoid valve
Second communication port of condenser/evaporator, the air entry of the 4th interface connect compressor of second liang of position four-way solenoid valve；
The thermoregulating system connects electric control gear, first liang of position four-way solenoid valve and second liang of position four-way solenoid valve by compressor
Pass through electric control gear described in connection respectively；
First condenser/evaporator is located in constant temperature flow container and as heating source or refrigeration source.
The electric control gear is single-chip microcontroller or integrated circuit.
Inlet pipeline at the circulating-pump outlet is equipped with pressure sensor, and pressure sensor is connected with electric control gear
It connects, electric control gear is connected with alarm lamp.
The object of the invention is also to provide a kind of temperature control methods using above-mentioned Medical temperature-controlled system, can not only use one
Sleeving temperature source ensures multiple different temperatures demands with warm device, additionally it is possible to avoid the body heat regulation to patient excessive.
To achieve the above object, temperature control method of the invention successively carries out according to the following steps：
First step is the temperature in regulating thermostatic flow container；
Doctor determines according to patient's condition heat or cools down；It is each to be respectively used to different patients, doctor with warm mechanism
It is individually for each patient and sets its patient goal's body temperature；
When needing to patient warming, staff controls heat pump system work in heating mode by electric control gear and starts compression
Machine, the first interface of the lower first liang of position four-way solenoid valve of heating mode are connected to its second interface, first liang of position four-way solenoid valve
Its 4th interface of third orifice；The first interface of second liang of position four-way solenoid valve is connected to its 4th interface, and the second two four
Its second interface of the third orifice of three-way electromagnetic valve；
The circulating path of refrigerant is under heating mode：The first interface of the exhaust outlet → the first liang position four-way solenoid valve of compressor
The first communication port of the second interface of → the first liang of position four-way solenoid valve → first condenser/evaporator → first condenser/evaporator
Second interface → throttling of the third interface → the second liang position four-way solenoid valve of second communication port → the second liang position four-way solenoid valve
Third interface → the first two four of → the first liang of position four-way solenoid valve in throttling import → throttling set throttling outlet of device
The second communication port of the first communication port of the 4th interface → second condenser/evaporator → second condenser/evaporator of three-way electromagnetic valve →
Four interfaces → compressor air entry of the first interface → the second liang position four-way solenoid valve of second liang of position four-way solenoid valve, it is complete
It is recycled at one, in cyclic process, refrigerant condenses heat release in the first condenser/evaporator and in the second condenser/evaporator
Evaporation endothermic, to make the mixed liquor in the first condenser/evaporator heated constant temperature flow container；
Set temperature under heating mode in constant temperature flow container is 42 ± 1 DEG C, and 43 DEG C are the temperature adjustment upper limit value under heating mode, 41 DEG C
For the temperature adjustment lower limit value under heating mode；
When needing to cool down to patient, staff controls heat pump system work in refrigerating mode by electric control gear and starts compression
Machine, the first interface of the lower first liang of position four-way solenoid valve of refrigerating mode are connected to its 4th interface, first liang of position four-way solenoid valve
Its second interface of third orifice；The first interface of second liang of position four-way solenoid valve is connected to its second interface, and the second two four
Its 4th interface of the third orifice of three-way electromagnetic valve；
The circulating path of refrigerant is under refrigerating mode：The first interface of the exhaust outlet → the first liang position four-way solenoid valve of compressor
The first communication port of the 4th interface → second condenser/evaporator → second condenser/evaporator of → the first liang of position four-way solenoid valve
Second interface → throttling of the first interface → the second liang position four-way solenoid valve of second communication port → the second liang position four-way solenoid valve
Third interface → the first two four of → the first liang of position four-way solenoid valve in throttling import → throttling set throttling outlet of device
The second communication port of the first communication port of the second interface of three-way electromagnetic valve → first condenser/evaporator → first condenser/evaporator →
Four interfaces → compressor air entry of the third interface → the second liang position four-way solenoid valve of second liang of position four-way solenoid valve, it is complete
It is recycled at one, in cyclic process, refrigerant evaporation endothermic and in the second condenser/evaporator in the first condenser/evaporator
Heat release is condensed, to make the mixed liquor in the cooling constant temperature flow container of the first condenser/evaporator；Setting in constant temperature flow container under refrigerating mode
Determining temperature is 5 ± 1 DEG C；6 DEG C are the temperature adjustment upper limit value under refrigerating mode, and 4 DEG C are the temperature adjustment lower limit value under refrigerating mode；
Temperature adjustment upper limit value is higher than patient goal's body temperature that doctor is patient's setting, temperature adjustment upper limit value under refrigerating mode under heating mode
Lower than patient goal's body temperature that doctor is patient's setting；
Second step be when the temperature of the mixed liquor in constant temperature flow container reaches temperature adjustment lower limit value, respectively to often apply warm mechanism into
Row thermostatic control；
Thermostatic control first turns on circulating pump；
Second step includes first to fourth sub-step；
First sub-step of second step is rapid tempering phase；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is greater than 5 DEG C
When, electric control gear controls the open degree of the first import of hybrid electromagnetic valve less than the open degree of the second import, at this time water return pipeline
In mixed liquor largely flow into constant temperature flow container, flow into hybrid electromagnetic valve at least partially through the first import, it is mixed in constant temperature flow container
It closes liquid and hybrid electromagnetic valve is flowed by the second import, the flow of the second entrance is greater than the flow of the first entrance；
Second sub-step of second step is slow tempering phase；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is less than or equal to 5
DEG C and be greater than 0 DEG C when, electric control gear control hybrid electromagnetic valve the first import open degree be greater than the second import open degree, this
When water return pipeline in mixed liquor small part flow into constant temperature flow container, it is most of that hybrid electromagnetic valve, constant temperature are flowed by the first import
Mixed liquor in flow container flows into hybrid electromagnetic valve by the second import, the stream of the flow of the second entrance less than the first entrance
Amount, thus the temperature of the mixed liquor at hybrid electromagnetic valve outlet is reduced to the close speed of patient goal's body temperature at this time, prevents pair
The body heat regulation of patient is excessive；
The third sub-step of second step is to maintain the constant temperature stage；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is equal to 0 DEG C
Afterwards, the second import of electric control gear control hybrid electromagnetic valve closes and the first inlet and outlet is kept to be in opening state；At this time
Mixed liquor in constant temperature flow container does not enter back into the first import of hybrid electromagnetic valve, mixed liquor carried out in warm mechanism inside follow
Ring；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is more than or equal to 1
DEG C when, jump execute second step the second sub-step；
4th sub-step of second step is to terminate operation；
After operation finishes, patient temperature restores, circulating pump is closed, is stopped with warm mechanism operation；
Third step is after each out of service with warm mechanism, and close compressor stops heat pump system operation.
During the progress of second step, when the temperature of the mixed liquor in constant temperature flow container reaches temperature adjustment upper limit value, close
Close compressor；When the temperature of the mixed liquor in constant temperature flow container pulls back to temperature adjustment lower limit value, compressor is restarted.
Electric control gear is built-in with upper pressure limit value and low pressure limit value, during the progress of second step, when pressure passes
When the pressure that sensor detects is higher than upper pressure limit value or is lower than low pressure limit value, electric control gear controls alarm lamp and issues light report
Alert signal, reminds staff to carry out Inspection and maintenance work in time.
The present invention has the advantage that：
With warm device for adjusting patient temperature, the helmet such as use to be used as with temperature device adjusting head temperature, use woollen blanket as
Whole body temperature is adjusted with warm device.The configuration of the present invention is simple, it is easy to use, it is able to use a set of temperature source and ensures multiple temperature dresses
The different temperatures demand set reduces equipment cost, improves equipment without temperature source is respectively set for often applying warm device
Utilization rate reduces equipment total volume.
The mixed liquor in heated constant temperature flow container can either be realized by heat pump system, and can be realized in cooling constant temperature flow container
Mixed liquor further simplify device structure without heating device and cooling device is respectively set, reduce equipment cost.
It, can either be in patient's mesh that the temperature and doctor that target temperature sensor detects are patient's setting using the present invention
It is adjusted rapidly when the difference of standard type temperature is larger using temperature mixeding liquid temperature within the organization, and temperature overshoot can be prevented
Phenomenon is saved, injury patient is avoided.In operation, the present invention can will be maintained with temperature mixeding liquid temperature within the organization fluctuation 1 DEG C with
It is interior, to stablizing patient temperature near target temperature, for operation go on smoothly and the rapid rehabilitation of patient is escorted shield
Boat.
Through on probation, after the present invention, due to effectively controlling patient temperature in operation and after operation in a period of time, because
The post-operative recovery speed of this patient is accelerated compared to previous also obvious.
In the first sub-step of second step, the flow of the second entrance is greater than the flow of the first entrance；Thus mix at this time
Close the temperature of the mixed liquor at the electromagnetic valve outlet fast speed close to patient goal's body temperature；Again due to entering hybrid electromagnetic valve
In mixed liquor always some come from water return pipeline, therefore be not in temperature change dramatically at hybrid electromagnetic valve to etc.
In or close to temperature in constant temperature flow container the phenomenon that, avoid the body heat regulation to patient excessive.
Doctor can determine different target body temperature to different patients according to the specific state of an illness.
It according to conventional understanding, needs that valve is arranged on the water return pipeline at constant temperature flow container, just can guarantee and close mixing electricity
When the second import of magnet valve, the mixed liquor in constant temperature flow container is no longer participate in the liquid circulation process with warm mechanism.Inventor passes through
The study found that setting valve, which is not required here, can also achieve the effect that valve is arranged.To find out its cause, being due in constant temperature flow container
Liquid output be balance（It will cause pressure inside the tank less into having more and increase to promoting mixed liquor to flow out, it is more into going out less
It will cause negative pressure in tank to sucking mixed liquor, therefore the feed liquor of constant temperature flow container and liquid is to balance out on the whole）, therefore work as
When closing the second import of hybrid electromagnetic valve, the mixed liquor in constant temperature flow container will not flow into hybrid electromagnetic valve by water return pipeline
The first import, so on water return pipeline at constant temperature flow container need not setting valve, that is, can guarantee and close the of hybrid electromagnetic valve
When two imports, the mixed liquor in constant temperature flow container is no longer participate in the liquid circulation process with warm mechanism.Since the present invention is compared to conventional
It is reduced costs while being arranged and be provided with valve at one less, therefore simplify structure.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；Direction shown in arrow is the flow direction of liquid in figure；
Fig. 2 is the structural schematic diagram of heat pump system, and arrow show the flow direction of refrigerant in figure；
Fig. 3 is electric control schematic diagram of the invention.
Specific embodiment
As shown in Figure 1 to Figure 3, Dan Wenyuan multiple target temperature Medical temperature-controlled system of the invention includes constant temperature flow container 1 and electricity
Device 2 is controlled, constant temperature flow container 1 is connected with thermoregulating system 3；The mixed liquor of water and alcohol is filled in constant temperature flow container 1；Water and alcohol it is mixed
The freezing point for closing liquid is lower, does not freeze still below zero degrees celsius, therefore be capable of providing the low temperature lower than zero degrees celsius.Constant temperature flow container
It is connected in parallel to two sets or more of the warm mechanism of use；
Often applying warm mechanism includes with warm device 4（Such as temperature control woollen blanket, temperature control cap）, hybrid electromagnetic valve 5 and circulating pump 6, mix
Closing the tool of solenoid valve 5, there are two import one outlets（Two In and One Out）；Two imports of hybrid electromagnetic valve 5 are respectively the first import 7
With the second import 8；
It is provided around the scattered temperature pipe 9 for dissipating temperature with warm 4 inner disc of device, 9 one end of temperature pipe is dissipated and is connected with water return pipeline 10, dissipate temperature pipe
9 other ends are connected with inlet pipeline 11；Water return pipeline 10 is separately connected the of the constant temperature flow container 1 and the hybrid electromagnetic valve 5
One import 7；Second import 8 of hybrid electromagnetic valve 5 connects the constant temperature flow container 1, and the outlet of hybrid electromagnetic valve 5 connects inlet pipeline
11, circulating pump 6 is connected in series on the inlet pipeline 11 and the warm device 4 of the outlet of circulating pump 6 direction；Circulating pump 6 exports
Place is equipped with target temperature sensor 12, and constant temperature flow container 1 is connected with liquid tank temperature sensor 13；
The thermoregulating system 3, target temperature sensor 12, liquid tank temperature sensor 13, circulating pump 6 and hybrid electromagnetic valve 5 with
Electric control gear 2 is connected.
The thermoregulating system 3 is heat pump system, and heat pump system includes compressor 14, the first condenser/evaporator 15, throttling dress
Set 16, first liang of position four-way solenoid valves 17 of the 23, second condenser/evaporator and second liang of position four-way solenoid valve 18, the system of heat pump system
Cryogen circulates in each component of heat pump system；Compressor 14 has air entry 19 and exhaust outlet 20, the first condenser/evaporator
15 and second condenser/evaporator 16 be respectively provided with the first communication port 21 and the second communication port 22, throttling set 23 has throttling import
24 export 25 with throttling；First liang of position four-way solenoid valve 17 and second liang of position four-way solenoid valve 18 be respectively equipped with first interface 26,
Second interface 27, third interface 28 and the 4th interface 29；
Compress the first interface 26 that the exhaust outlet 20 that connects connects first liang of position four-way solenoid valve 17, the of the first condenser/evaporator 15
One communication port 21 connects the second interface 27 of first liang of position four-way solenoid valve 17,25 connection first of throttling outlet of throttling set 23
The first communication port 21 connection the first two four of the third interface 28 of two position four-way solenoid valves 17, the second condenser/evaporator 16 is powered
4th interface 29 of magnet valve 17；
The first interface 26 of second liang of position four-way solenoid valve 18 is connected to the second communication port 22 of the second condenser/evaporator 16, the
The second interface 27 of two liang of position four-way solenoid valves 18 connects the throttling import 24 of throttling set 23, second liang of position four-way solenoid valve 18
Third interface 28 connect the first condenser/evaporator 15 the second communication port 22, the 4th interface of second liang of position four-way solenoid valve 18
The air entry 19 of 29 connect compressors 14；
The thermoregulating system connects electric control gear by compressor 14, and first liang of position four-way solenoid valve 17 and the second two four are powered
Magnet valve 18 passes through electric control gear 2 described in connection respectively；
First condenser/evaporator 15 is located in constant temperature flow container 1 and as heating source or refrigeration source.
The electric control gear 2 is single-chip microcontroller or integrated circuit, preferably 51 or 52 single-chip microcontrollers.
The inlet pipeline 11 in 6 exit of circulating pump is equipped with pressure sensor 30, pressure sensor 30 and automatically controlled dress
It sets 2 to be connected, electric control gear 2 is connected with alarm lamp 31.Pressure sensor 30 is used to detect the pressure of mixed liquor in inlet pipeline.
The invention also discloses the temperature control methods for using above-mentioned Dan Wenyuan multiple target temperature Medical temperature-controlled system to carry out, successively
It carries out according to the following steps：
First step is the temperature in regulating thermostatic flow container 1；
Doctor determines according to patient's condition heat or cools down；It is each to be respectively used to different patients, doctor with warm mechanism
It is individually for each patient and sets its patient goal's body temperature；
When needing to patient warming, staff controls heat pump system work in heating mode by electric control gear 2 and starts pressure
Contracting machine 14, the first interface 26 of the lower first liang of position four-way solenoid valve 17 of heating mode are connected to its second interface 27, and the first two four
The third interface 28 of three-way electromagnetic valve 17 is connected to its 4th interface 29；The first interface 26 of second liang of position four-way solenoid valve 18 is connected to it
The third interface 28 of 4th interface 29, second liang of position four-way solenoid valve 18 is connected to its second interface 27；
The circulating path of refrigerant is under heating mode：The of 20 → the first liang of position four-way solenoid valves 17 of exhaust outlet of compressor 14
First communication port 21 of 27 → the first condenser/evaporator 15 of second interface of one 26 → the first liang of position four-way solenoid valves 17 of interface →
The third interface 28 of 22 → the second liang of position four-way solenoid valves 18 of the second communication port of the first condenser/evaporator 15 → the second two four
The throttling outlet 25 → the first of throttling 24 → throttling set of import 23 of 27 → throttling set of second interface 23 of three-way electromagnetic valve 18
4th interface, 29 → the second condensation evaporation of 28 → the first liang of position four-way solenoid valves 17 of third interface of two position four-way solenoid valves 17
The of 22 → the second liang of position four-way solenoid valves 18 of the second communication port of 21 → the second condenser/evaporator 16 of the first communication port of device 16
The air entry 19 of 4th 29 → compressor of interface 14 of one 26 → the second liang of interface position four-way solenoid valve 18 completes a circulation,
In cyclic process, refrigerant, which condenses heat release in the first condenser/evaporator 15 and evaporates in the second condenser/evaporator 16, to be inhaled
Heat, to make the mixed liquor in 15 heated constant temperature flow container 1 of the first condenser/evaporator；
Set temperature under heating mode in constant temperature flow container 1 is 42 ± 1 DEG C, and 43 DEG C are the temperature adjustment upper limit value under heating mode, 41
DEG C for the temperature adjustment lower limit value under heating mode；
When needing to cool down to patient, staff controls heat pump system work in refrigerating mode by electric control gear 2 and starts pressure
Contracting machine 14, the first interface 26 of the lower first liang of position four-way solenoid valve 17 of refrigerating mode are connected to its 4th interface 29, and the first two four
The third interface 28 of three-way electromagnetic valve 17 is connected to its second interface 27；The first interface 26 of second liang of position four-way solenoid valve 18 is connected to it
The third interface 28 of second interface 27, second liang of position four-way solenoid valve 18 is connected to its 4th interface 29；
The circulating path of refrigerant is under refrigerating mode：The of 20 → the first liang of position four-way solenoid valves 17 of exhaust outlet of compressor 14
First communication port 21 of 29 → the second condenser/evaporator 16 of the 4th interface of one 26 → the first liang of position four-way solenoid valves 17 of interface →
The first interface 26 of second 22 → the second liang of position four-way solenoid valves 18 of communication port of the second condenser/evaporator 16 → the second two four
The throttling outlet 25 → the first of throttling 24 → throttling set of import 23 of 27 → throttling set of second interface 23 of three-way electromagnetic valve 18
27 → the first condensation evaporation of second interface of 28 → the first liang of position four-way solenoid valves 17 of third interface of two position four-way solenoid valves 17
The of 22 → the second liang of position four-way solenoid valves 18 of the second communication port of 21 → the first condenser/evaporator 15 of the first communication port of device 15
The air entry 19 of 4th 29 → compressor of interface 14 of three 28 → the second liang of interface position four-way solenoid valves 18 completes a circulation,
In cyclic process, refrigerant evaporation endothermic and condensing in the second condenser/evaporator 16 in the first condenser/evaporator 15 is put
Heat, to make the mixed liquor in the cooling constant temperature flow container 1 of the first condenser/evaporator 15；Setting under refrigerating mode in constant temperature flow container 1
Temperature is 5 ± 1 DEG C；6 DEG C are the temperature adjustment upper limit value under refrigerating mode, and 4 DEG C are the temperature adjustment lower limit value under refrigerating mode；
Temperature adjustment upper limit value is higher than patient goal's body temperature that doctor is patient's setting, temperature adjustment upper limit value under refrigerating mode under heating mode
Lower than patient goal's body temperature that doctor is patient's setting；
Second step is when the temperature of the mixed liquor in constant temperature flow container 1 reaches temperature adjustment lower limit value, respectively to often applying warm mechanism
Carry out thermostatic control；
Thermostatic control first turns on circulating pump 6；
Second step includes first to fourth sub-step；
First sub-step of second step is rapid tempering phase；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor 12 detects are patient's setting is greater than 5 DEG C
When, electric control gear 2 controls the open degree of the first import 7 of hybrid electromagnetic valve 5 less than the open degree of the second import 8, at this time return water
Mixed liquor in pipeline 10 largely flows into constant temperature flow container 1, flows into hybrid electromagnetic valve 5, constant temperature liquid at least partially through the first import 7
Mixed liquor in tank 1 is logical（It is equal with the amount of liquid of constant temperature flow container 1 is flowed into）Cross the second import 8 flow into hybrid electromagnetic valve 5, second into
Flow at mouth 8 is greater than the flow at the first import 7；Thus at this time the temperature of the mixed liquor in 5 exit of hybrid electromagnetic valve to disease
The close fast speed of people's target body temperature；Again due to enter hybrid electromagnetic valve 5 in mixed liquor always some come from return water
Pipeline 10, therefore be not in temperature change dramatically at hybrid electromagnetic valve 5 to equal than or close to the temperature in constant temperature flow container 1
Phenomenon avoids the body heat regulation to patient excessive.
Second sub-step of second step is slow tempering phase；
When the difference for patient goal's body temperature that temperature that target temperature sensor 12 detects and doctor are patient's setting is less than etc.
In 5 DEG C and when being greater than 0 DEG C, the open degree that electric control gear 2 controls the first import 7 of hybrid electromagnetic valve 5 is greater than opening for the second import 8
Qi Du, the mixed liquor small part in water return pipeline 10 flows into constant temperature flow container 1 at this time, most of to flow into mixing by the first import 7
Solenoid valve 5, the mixed liquor in constant temperature flow container 1（It is equal with the amount of liquid of constant temperature flow container 1 is flowed into）It is flowed into and is mixed by the second import 8
Solenoid valve 5, the flow at the second import 8 is less than the flow at the first import 7, thus 5 exit of hybrid electromagnetic valve at this time is mixed
The temperature for closing liquid is reduced to the close speed of patient goal's body temperature, prevents the body heat regulation to patient excessive；
The third sub-step of second step is to maintain the constant temperature stage；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor 12 detects are patient's setting is equal to 0 DEG C
Afterwards, the second import 8 that electric control gear 2 controls hybrid electromagnetic valve 5 is closed and is kept the first import 7 and exports in the open state；
The mixed liquor in constant temperature flow container 1 does not enter back into the first import 7 of hybrid electromagnetic valve 5 at this time, and mixed liquor carries out in warm mechanism
Inside circulation；
When the difference for patient goal's body temperature that temperature that target temperature sensor 12 detects and doctor are patient's setting is greater than etc.
When 1 DEG C, the second sub-step for executing second step is jumped；
4th sub-step of second step is to terminate operation；
After operation finishes, patient temperature restores, circulating pump 6 is closed, is stopped with warm mechanism operation；
Third step is after each out of service with warm mechanism, and close compressor 14 stops heat pump system operation.
Doctor can determine different target body temperature to different patients according to the specific state of an illness.
It according to conventional understanding, needs that valve is arranged on the water return pipeline 10 at constant temperature flow container 1, just can guarantee and close mixing
When the second import 8 of solenoid valve 5, the mixed liquor in constant temperature flow container 1 is no longer participate in the liquid circulation process with warm mechanism.Inventor
It finds after study, setting valve, which is not required here, can also achieve the effect that valve is arranged.To find out its cause, being due to constant temperature liquid
The output of liquid in tank 1 is balance（It will cause pressure inside the tank raising less to promote mixed liquor to flow out, into less into having more
Mostly it will cause negative pressure in tank out to sucking mixed liquor, therefore the feed liquor of constant temperature flow container 1 and liquid is to balance out on the whole）,
Therefore when closing the second import 8 of hybrid electromagnetic valve 5, the mixed liquor in constant temperature flow container 1 will not be flowed by water return pipeline 10
Enter the first import 7 of hybrid electromagnetic valve 5, so valve need not be arranged on the water return pipeline 10 at constant temperature flow container 1, that is, can guarantee and close
When closing the second import 8 of hybrid electromagnetic valve 5, the mixed liquor in constant temperature flow container 1 is no longer participate in the liquid circulation process with warm mechanism.
Since the present invention is provided with valve at one compared to conventional arrangement less, reduced into while simplifying structure
This.
During the progress of second step, when the temperature of the mixed liquor in constant temperature flow container 1 reaches temperature adjustment upper limit value, close
Close compressor 14；When the temperature of the mixed liquor in constant temperature flow container 1 pulls back to temperature adjustment lower limit value, compressor 14 is restarted.
It can continually start and stop to avoid compressor 14, to extend 14 service life of compressor, simultaneously will in this way
The temperature of mixed liquor in constant temperature flow container 1 is controlled in set interval.
Electric control gear 2 is built-in with upper pressure limit value and low pressure limit value（Upper pressure limit value and low pressure limit value are by designer
Member specifically sets for the product of different model, it is proposed that upper pressure limit value be 0.25MPa, it is proposed that low pressure limit value be 0.5
MPa）, during the progress of second step, when the pressure that pressure sensor 30 detects is higher than upper pressure limit value or lower than pressure
When power lower limit value, electric control gear 2 controls alarm lamp 31 and issues light warning signal, and staff is reminded to carry out Inspection and maintenance in time
Work.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that：Still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (7)
1. Dan Wenyuan multiple target temperature Medical temperature-controlled system, it is characterised in that：Including constant temperature flow container and electric control gear, constant temperature flow container
It is connected with thermoregulating system；The mixed liquor of water and alcohol is filled in constant temperature flow container, constant temperature flow container is connected in parallel to two sets or more of use
Warm mechanism；
Often applying warm mechanism includes using warm device, hybrid electromagnetic valve and circulating pump, and there are two import one for hybrid electromagnetic valve tool
Outlet；Two imports of hybrid electromagnetic valve are respectively the first import and the second import；
It is provided around the scattered temperature pipe for dissipating temperature with warm device inner disc, temperature pipe one end is dissipated and is connected with water return pipeline, it is another to dissipate temperature pipe
End is connected with inlet pipeline；Water return pipeline is separately connected the first import of the constant temperature flow container and the hybrid electromagnetic valve；Mixing
Second import of solenoid valve connects the constant temperature flow container, and the outlet of hybrid electromagnetic valve connects inlet pipeline, and circulating pump is connected in series
On the inlet pipeline and the outlet of circulating pump is towards with warm device；Target temperature sensor is equipped at circulating-pump outlet, it is permanent
Warm flow container is connected with liquid tank temperature sensor；
The thermoregulating system, target temperature sensor, liquid tank temperature sensor, circulating pump and hybrid electromagnetic valve are and electric control gear
It is connected.
2. Dan Wenyuan multiple target temperature Medical temperature-controlled system according to claim 1, it is characterised in that：The thermoregulating system
For heat pump system, heat pump system includes compressor, the first condenser/evaporator, throttling set, the second condenser/evaporator, the first two
The refrigerant of four way solenoid valve and second liang of position four-way solenoid valve, heat pump system circulates in each component of heat pump system；Pressure
Contracting machine has air entry and exhaust outlet, and the first condenser/evaporator and the second condenser/evaporator are respectively provided with the first communication port and second
Communication port, throttling set have throttling import and throttling outlet；First liang of position four-way solenoid valve and second liang of position four-way solenoid valve
It is respectively equipped with first interface, second interface, third interface and the 4th interface；
Compress the first interface that the exhaust outlet connect connects first liang of position four-way solenoid valve, the first communication port of the first condenser/evaporator
Connect the second interface of first liang of position four-way solenoid valve, the throttling outlet of throttling set connects the of first liang of position four-way solenoid valve
Three interfaces, the first communication port of the second condenser/evaporator connect the 4th interface of first liang of position four-way solenoid valve；
The first interface of second liang of position four-way solenoid valve is connected to the second communication port of the second condenser/evaporator, and the second two four
The throttling import of the second interface connection throttling set of three-way electromagnetic valve, the third interface connection first of second liang of position four-way solenoid valve
Second communication port of condenser/evaporator, the air entry of the 4th interface connect compressor of second liang of position four-way solenoid valve；
The thermoregulating system connects electric control gear, first liang of position four-way solenoid valve and second liang of position four-way solenoid valve by compressor
Pass through electric control gear described in connection respectively；
First condenser/evaporator is located in constant temperature flow container and as heating source or refrigeration source.
3. Dan Wenyuan multiple target temperature Medical temperature-controlled system according to claim 1 or 2, it is characterised in that：It is described automatically controlled
Device is single-chip microcontroller or integrated circuit.
4. Dan Wenyuan multiple target temperature Medical temperature-controlled system according to claim 1 or 2, it is characterised in that：The circulation
Inlet pipeline at pump discharge is equipped with pressure sensor, and pressure sensor is connected with electric control gear, and electric control gear is connected with
Alarm lamp.
5. the temperature control method carried out using Dan Wenyuan multiple target temperature Medical temperature-controlled system described in claim 4, feature are existed
It is carried out according to the following steps：
First step is the temperature in regulating thermostatic flow container；
Doctor determines according to patient's condition heat or cools down；It is each to be respectively used to different patients, doctor with warm mechanism
It is individually for each patient and sets its patient goal's body temperature；
When needing to patient warming, staff controls heat pump system work in heating mode by electric control gear and starts compression
Machine, the first interface of the lower first liang of position four-way solenoid valve of heating mode are connected to its second interface, first liang of position four-way solenoid valve
Its 4th interface of third orifice；The first interface of second liang of position four-way solenoid valve is connected to its 4th interface, and the second two four
Its second interface of the third orifice of three-way electromagnetic valve；
The circulating path of refrigerant is under heating mode：The first interface of the exhaust outlet → the first liang position four-way solenoid valve of compressor
The first communication port of the second interface of → the first liang of position four-way solenoid valve → first condenser/evaporator → first condenser/evaporator
Second interface → throttling of the third interface → the second liang position four-way solenoid valve of second communication port → the second liang position four-way solenoid valve
Third interface → the first two four of → the first liang of position four-way solenoid valve in throttling import → throttling set throttling outlet of device
The second communication port of the first communication port of the 4th interface → second condenser/evaporator → second condenser/evaporator of three-way electromagnetic valve →
Four interfaces → compressor air entry of the first interface → the second liang position four-way solenoid valve of second liang of position four-way solenoid valve, it is complete
It is recycled at one, in cyclic process, refrigerant condenses heat release in the first condenser/evaporator and in the second condenser/evaporator
Evaporation endothermic, to make the mixed liquor in the first condenser/evaporator heated constant temperature flow container；
Set temperature under heating mode in constant temperature flow container is 42 ± 1 DEG C, and 43 DEG C are the temperature adjustment upper limit value under heating mode, 41 DEG C
For the temperature adjustment lower limit value under heating mode；
When needing to cool down to patient, staff controls heat pump system work in refrigerating mode by electric control gear and starts compression
Machine, the first interface of the lower first liang of position four-way solenoid valve of refrigerating mode are connected to its 4th interface, first liang of position four-way solenoid valve
Its second interface of third orifice；The first interface of second liang of position four-way solenoid valve is connected to its second interface, and the second two four
Its 4th interface of the third orifice of three-way electromagnetic valve；
The circulating path of refrigerant is under refrigerating mode：The first interface of the exhaust outlet → the first liang position four-way solenoid valve of compressor
The first communication port of the 4th interface → second condenser/evaporator → second condenser/evaporator of → the first liang of position four-way solenoid valve
Second interface → throttling of the first interface → the second liang position four-way solenoid valve of second communication port → the second liang position four-way solenoid valve
Third interface → the first two four of → the first liang of position four-way solenoid valve in throttling import → throttling set throttling outlet of device
The second communication port of the first communication port of the second interface of three-way electromagnetic valve → first condenser/evaporator → first condenser/evaporator →
Four interfaces → compressor air entry of the third interface → the second liang position four-way solenoid valve of second liang of position four-way solenoid valve, it is complete
It is recycled at one, in cyclic process, refrigerant evaporation endothermic and in the second condenser/evaporator in the first condenser/evaporator
Heat release is condensed, to make the mixed liquor in the cooling constant temperature flow container of the first condenser/evaporator；Setting in constant temperature flow container under refrigerating mode
Determining temperature is 5 ± 1 DEG C；6 DEG C are the temperature adjustment upper limit value under refrigerating mode, and 4 DEG C are the temperature adjustment lower limit value under refrigerating mode；
Temperature adjustment upper limit value is higher than patient goal's body temperature that doctor is patient's setting, temperature adjustment upper limit value under refrigerating mode under heating mode
Lower than patient goal's body temperature that doctor is patient's setting；
Second step be when the temperature of the mixed liquor in constant temperature flow container reaches temperature adjustment lower limit value, respectively to often apply warm mechanism into
Row thermostatic control；
Thermostatic control first turns on circulating pump；
Second step includes first to fourth sub-step；
First sub-step of second step is rapid tempering phase；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is greater than 5 DEG C
When, electric control gear controls the open degree of the first import of hybrid electromagnetic valve less than the open degree of the second import, at this time water return pipeline
In mixed liquor largely flow into constant temperature flow container, flow into hybrid electromagnetic valve at least partially through the first import, it is mixed in constant temperature flow container
It closes liquid and hybrid electromagnetic valve is flowed by the second import, the flow of the second entrance is greater than the flow of the first entrance；
Second sub-step of second step is slow tempering phase；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is less than or equal to 5
DEG C and be greater than 0 DEG C when, electric control gear control hybrid electromagnetic valve the first import open degree be greater than the second import open degree, this
When water return pipeline in mixed liquor small part flow into constant temperature flow container, it is most of that hybrid electromagnetic valve, constant temperature are flowed by the first import
Mixed liquor in flow container flows into hybrid electromagnetic valve by the second import, the stream of the flow of the second entrance less than the first entrance
Amount, thus the temperature of the mixed liquor at hybrid electromagnetic valve outlet is reduced to the close speed of patient goal's body temperature at this time, prevents pair
The body heat regulation of patient is excessive；
The third sub-step of second step is to maintain the constant temperature stage；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is equal to 0 DEG C
Afterwards, the second import of electric control gear control hybrid electromagnetic valve closes and the first inlet and outlet is kept to be in opening state；At this time
Mixed liquor in constant temperature flow container does not enter back into the first import of hybrid electromagnetic valve, mixed liquor carried out in warm mechanism inside follow
Ring；
When the difference for patient goal's body temperature that the temperature and doctor that target temperature sensor detects are patient's setting is more than or equal to 1
DEG C when, jump execute second step the second sub-step；
4th sub-step of second step is to terminate operation；
After operation finishes, patient temperature restores, circulating pump is closed, is stopped with warm mechanism operation；
Third step is after each out of service with warm mechanism, and close compressor stops heat pump system operation.
6. temperature control method according to claim 5, which is characterized in that during the progress of second step, when constant temperature liquid
When the temperature of mixed liquor in tank reaches temperature adjustment upper limit value, close compressor；When the temperature of the mixed liquor in constant temperature flow container is adjusted back
When to temperature adjustment lower limit value, compressor is restarted.
7. temperature control method according to claim 5, it is characterised in that：Electric control gear is built-in under upper pressure limit value and pressure
Limit value, during the progress of second step, when the pressure that pressure sensor detects is higher than upper pressure limit value or is lower than pressure
When lower limit value, electric control gear controls alarm lamp and issues light warning signal, and staff is reminded to carry out Inspection and maintenance work in time.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112656574A (en) * | 2020-12-11 | 2021-04-16 | 中国人民解放军陆军军医大学第一附属医院 | A constant temperature refrigeration device for cold compress of hands and feet |
| CN113081467A (en) * | 2021-04-07 | 2021-07-09 | 常州市武进人民医院 | Clinical simple and easy ice compress device of using of orthopedics |
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