CN209575022U - The heat-exchanging water tank of sub-low-temperature therapeutic equipment - Google Patents
The heat-exchanging water tank of sub-low-temperature therapeutic equipment Download PDFInfo
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- CN209575022U CN209575022U CN201821913986.1U CN201821913986U CN209575022U CN 209575022 U CN209575022 U CN 209575022U CN 201821913986 U CN201821913986 U CN 201821913986U CN 209575022 U CN209575022 U CN 209575022U
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Abstract
A kind of heat-exchanging water tank of sub-low-temperature therapeutic equipment, include: water tank main body, be set to the intracorporal inner cylinder of the water tank master, spiral helicine evaporator and the lamina tecti for being set to the water tank body top, the space of the water tank body interior is divided into the storage area in the inner cylinder and the refrigeration area between the inner tank theca and the water tank main body inner wall by the inner cylinder, and refrigeration area is connected to storage area in upper end；The evaporator is located in the refrigeration area and is set around the inner cylinder periphery, and the water tank main body has the circulating outlet for being recycled back to head piece and be connected to the storage area being connected to the refrigeration area；Runner baffle, the coil pipe arranged for interval of the evaporator adjacent turn are provided between the outside of the evaporator and the inner wall of the water tank main body.The heat-exchanging water tank of the utility model forms water flow passage between the coil pipe of evaporator adjacent turn, and the water in water tank is sufficiently in contact with coil pipe, improves heat exchange efficiency.
Description
Technical field
The utility model belong to technical field of medical equipment more particularly to a kind of refrigeration on sub-low-temperature therapeutic equipment/
Heating formula heat-exchanging water tank.
Background technique
Sub-low-temperature therapeutic equipment is also known as hypothermic blanket or ice blanket ice cap, is generally made of host and peripheral hardware attachment two parts, host
Including water tank, refrigerating/heating module, water passage circulation system and control system, peripheral hardware attachment includes water blanket (ice cap) and connecting tube.
Its working principle is that: water and refrigerating/heating module in water tank carry out heat exchange in water tank, prepare user's required temperature
Equipment water outlet, then flow in the water blanket contacted with patient body-surface through connecting tube, achievees the purpose that adjust body temperature.Mild Hypothermal
Refrigeration module majority in therapeutic equipment is freezed using following two mode: compressor refrigeration and semiconductor refrigerating, compressor refrigeration
Mode predominantly to be completely soaked heat exchange between the recirculated water realization system of refrigeration system evaporator.With the side of compressor refrigeration
Formula is compared, and semiconductor refrigerating has the advantages that refrigerating capacity is big, cooling is rapid, but that there is also heat exchange efficiencies simultaneously is low, not energy-efficient
Problem.In order to solve problem above, there has been proposed various solutions.
The Chinese utility model patent of Patent No. 200620056044.7 discloses a kind of heat exchange of sub-low-temperature therapeutic equipment
System, the heat-exchange system include water tank and the coil pipe for being wrapped in water tank lower half periphery, and water tank is provided with water, are treated blanket (cap)
Circulation is constituted by pipeline and water tank.In order to enhance heat exchange efficiency, water guider is provided in water tank, water guide dress
The cylinder with certain altitude including being fixed on water tank bottom and the umbrella positioned at water tank middle and upper part are set, is filled by water guide
It sets and realizes convective motion of the heat transferring medium with respect to heat exchanger, to increase heat exchange efficiency, but due to being provided with water guide in water tank
Device, it is insufficient that water guider will cause aqueous medium local convection, if tank parts can be such that heat exchange efficiency reduces after freezing, extremely
In the case of to will form ice stifled, cause equipment that can not work.
The Chinese utility model patent of Patent No. 20070058365.5 discloses a kind of heat-exchanging water tank with deputy tank
System, deputy tank are communicated by U-tube with main water box, according to siphon principle, when SEA LEVEL VARIATION in main water box, and water in deputy tank
Position may also change accordingly, and can satisfy the needs of Case treatment with the water guaranteed in main water box, and do not need in therapeutic process
Add water, improve convenience, while the water in deputy tank also only needs to participate in system by the part that U-tube flows into main water box
Cold/heating circulation, is beneficial to energy conservation.But since cistern system increases a deputy tank, water level in water tank in use
Variation can inevitably bring the reduction of heat exchange efficiency, while also increasing the complexity of system structure, be unfavorable for equipment energy consumption
The miniaturization of optimization and system.
The Chinese utility model patent of Patent No. 201320520183.0 discloses a kind of multi-functional mild hypothermia therapeutic
Water tank, the water tank include water tank main body and inner sleeve, and inner sleeve is set in water tank main body, and the inside of water tank main body is divided into storage
Pool and refrigeration area, evaporator are sheathed on the lateral wall of inner sleeve, are located in refrigeration area.The bottom of recirculated water refluxing opening and refrigeration area
End connection, recirculated water water outlet are connected to the bottom end of storage area, after recirculated water is back in water tank, first in refrigeration area and evaporator
Then sufficient heat exchange flows into storage area from the bottom to top in refrigeration area, then flows out from storage area bottom, to improve heat exchange
Efficiency.But due to being closely to be adjacently positioned between the adjacent coil pipe of evaporator coil, so that the water in water tank refrigeration area fails and steams
Hair device coil pipe is come into full contact with, so that heat exchange efficiency still needs to be further increased.
Utility model content
The purpose of this utility model is to provide a kind of heat-exchanging water tanks that heat exchanger effectiveness can be improved.
To achieve the goals above, the utility model takes following technical solution:
The heat-exchanging water tank of sub-low-temperature therapeutic equipment, comprising: water tank main body is set to the intracorporal inner cylinder of the water tank master, spiral
The evaporator of shape and the lamina tecti for being set to the water tank body top, the inner cylinder divide the space of the water tank body interior
It is divided into the storage area being located in the inner cylinder and the refrigeration area between the inner tank theca and the water tank main body inner wall, system
Cold-zone is connected to storage area in upper end；The evaporator is located in the refrigeration area and is set around the inner cylinder periphery, the water
Box main body has the circulating outlet for being recycled back to head piece and be connected to the storage area being connected to the refrigeration area；Described
Runner baffle, the coil pipe interval of the evaporator adjacent turn are provided between the outside of evaporator and the inner wall of the water tank main body
Arrangement.
Further, the inner cylinder is hollow cylinder, and flow-guiding mouth is provided at the top of the inner cylinder, the inner cylinder
Diversion trench is provided on inner wall, the diversion trench is extended downwardly along the spiral inner wall of the inner cylinder, and the top of diversion trench is located at institute
State the lower section of flow-guiding mouth.
Further, the flow-guiding mouth is arranged along the tangential direction of inner cylinder barrel.
Further, described to be recycled back to head piece and the circulating outlet is set to the bottom of the water tank main body.
Further, the runner baffle is silica gel runner baffle.
It further, further include extending downwardly into from the water tank body top to the thermoprobe in the inner cylinder, it is described
Thermoprobe is located at the water outlet of the diversion trench.
Further, the circulating outlet is located at the side of the thermoprobe.
Further, the probe tube on inner wall of the thermoprobe by being set to the inner cylinder is fixed on the inner cylinder
It is interior, and be located on the vertical tangent lines position of the water flow curve flowed out via the diversion trench outlet end.
It further, further include the heater being set in the storage area.
The utility model additionally provides a kind of heat-exchanging water tank of sub-low-temperature therapeutic equipment, comprising: water tank main body, be set to it is described
The intracorporal inner cylinder of water tank master, spiral helicine evaporator and the lamina tecti for being set to the water tank body top, the inner cylinder is by institute
The space for stating water tank body interior is divided into the storage area in the inner cylinder and is located at the inner tank theca and the water tank
Refrigeration area between main body inner wall, refrigeration area and storage area are connected in upper end；The evaporator be located in the refrigeration area and around
Set on inner cylinder periphery, the water tank main body have be connected to the refrigeration area be recycled back to head piece and with the storage area
The circulating outlet of connection；The evaporator is located between the inner wall of the water tank main body and the outer wall of the inner cylinder, described
The coil pipe arranged for interval of evaporator adjacent turn.
From the above technical scheme, water tank main body is divided into inside and outside two by inner cylinder by the heat-exchanging water tank of the utility model
Layer structure, and evaporator is gripped by runner baffle in water tank main body, while using the spaced apart evaporation of adjacent turn coil pipe
Device allows the runner gap between adjacent turn coil pipe to form water flow passage, passes through evaporator during spiral is upward
Outer wall maximizes surface, so that circulating water flow is farthest in contact with evaporator, so that refrigerant in coil pipe be effectively reduced
Evaporating temperature, realize improve refrigeration area heat exchanger effectiveness and refrigeration work consumption, and can inhibit evaporation pipe outer wall freeze the case where.
In a preferred approach, diversion trench is set on inner cylinder inner wall, and thermoprobe is set in inner cylinder and is located at going out for diversion trench
Water end (W.E.), when water circulation stops, thermoprobe can be transmitted by aqueous medium heat, perceive icing condition；When water circular flow, pass through
The direct shock temperature measurement point of the water flow of diversion trench realizes accurate perception outlet temperature, so as to provide patient's treatment required temperature
Spend stable output recirculated water.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of the utility model embodiment
The attached drawing used does simple introduction, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the decomposition texture schematic diagram of the utility model embodiment；
Fig. 2 is the bottom view of the utility model embodiment；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 4 is the top view of the utility model embodiment；
Fig. 5 is the cross-sectional view of the line B-B along Fig. 4；
Fig. 6 is the structural schematic diagram of the utility model embodiment inner cylinder；
Fig. 7 is inner tube installation in the intracorporal schematic diagram of water tank master；
Fig. 8 is the circulation path schematic diagram of the water in refrigeration area；
Fig. 9 is the path schematic diagram that the water in refrigeration area is flowed to storage area；
Figure 10 is the schematic diagram of another angle of Fig. 9.
Specific embodiment of the present utility model is described in more detail below in conjunction with attached drawing.
Specific embodiment
In order to which above and other objects, features and advantages of the utility model can be become apparent from, it is practical new that this is cited below particularly
Type embodiment, and cooperate appended diagram, it is described below in detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the heat-exchanging water tank of the present embodiment includes lamina tecti 1, water tank main body 2, interior
Cylinder 3, evaporator 4, runner baffle 5, coil pipe fixed frame 6, heater 7, thermoprobe 8 and liquid level sensor 9.Water tank main body 2 has
There is an inner cavity being filled with water, top is opened wide.Inner cylinder 3 is a hollow cylinder, is set in water tank main body 2.The bottom of inner cylinder 3 with
Inner cylinder sealing ring 10 is provided between the bottom surface of water tank main body 2, inner cylinder 3 compresses inner cylinder sealing ring 10 and is fixed on water tank main body 2
Interior, the space in water tank main body 2 is divided into storage area and refrigeration area by inner cylinder 3, and storage area is the region inside inner cylinder 3, refrigeration
Area is the annular region between the outer wall of inner cylinder 3 and the inner wall of water tank main body 2, and refrigeration area is connected to storage area in upper end.
Evaporator 4 is located in refrigeration area, and is sheathed on the periphery of inner cylinder 3, and evaporator 4 passes through pipeline and sub-low-temperature therapeutic equipment
The compressor refrigeration circulatory system is connected.Evaporator 4 is spiral helicine coil pipe, fixed by coil pipe fixed frame 6, the disk of two adjacent rings
Pipe arranged for interval has spacing, the water in refrigeration area is allowed to flow through two adjacent rings coil pipe that is, between the coil pipe of two adjacent rings
Between region, be fully in contact with the periphery wall of coil pipe.Runner baffle 5 is set to the periphery of evaporator 4, the present embodiment
Runner baffle 5 is made of silica gel, and for runner baffle 5 there are two effect, an effect is vibration when buffering evaporator operation, another
A effect is to be filled in the space on the outside of evaporator between 2 inner wall of water tank main body, cooperates coil pipe fixed frame, establishes adjacent turn
The water flow passage of spiral upward between coil pipe allows the space between adjacent turn coil pipe to form water flow passage, in refrigeration area
Water can be flowed along the gap between adjacent turn coil pipe, to farthest be in contact with the outer surface of evaporator 4, improve
Heat exchange efficiency.
Lamina tecti 1 is set to the top of water tank main body 2, and it is close that water tank main body is provided between lamina tecti 1 and water tank main body 2
Seal 11.It is provided on lamina tecti 1 and adds water adapter tube 1a, by adding water adapter tube 1a to add water into water tank main body 2.Thermoprobe 8
It passes through, is extended downwardly into inner cylinder 3 from lamina tecti 1.Heater 7 is also disposed in inner cylinder 3, the top of the heater 7 of the present embodiment
Portion is pierced by lamina tecti 1 upwards, and is fixed by threaded fastener and 1 phase of lamina tecti.Liquid level sensor 9 by with 1 phase of lamina tecti
Fixed bracket (not labeled) is set in inner cylinder 3, and liquid level sensor 9 is located at lower part in inner cylinder 3.In the bottom of water tank main body 2
It is provided with overtemperature protector 12, overtemperature protector 12 is connected by overtemperature protector fixed plate 13 with water tank main body 2.In water tank master
2 bottom of body is additionally provided with water tank fixed plate 14.
Water tank main body 2 has to be drained be recycled back to head piece 2a, circulating outlet 2b, the refrigeration area being connected in water tank main body 2
Mouth 2c, storage area discharge outlet 2d and liquid level meter interface 2e and gap 2f.The present embodiment is recycled back to head piece 2a, cyclic water outlet
Mouth 2b, refrigeration area discharge outlet 2c, storage area discharge outlet 2d are respectively positioned on the bottom of water tank main body 2.It is recycled back to head piece 2a and water tank master
Refrigeration area connection in body 2 flows into water tank from the water that the peripheral hardware attachment of sub-low-temperature therapeutic equipment loops back from head piece 2a is recycled back to
In the refrigeration area of main body 2, heat exchange then is carried out with evaporator 4 in refrigeration area.In circulating outlet 2b and water tank main body 2
Storage area is connected to, and the water in storage area can flow to peripheral hardware attachment through circulating outlet 2b.Refrigeration area discharge outlet 2c and storage area row
Mouth of a river 2d respectively in water tank main body 2 refrigeration area and storage area be connected to, the water in refrigeration area and storage area can be emptied outward.
Liquid level meter interface 2e observes the level condition in water tank main body 2 for connecting liquid level meter, convenient for user.It is recycled back to head piece, circulation
The quantity of water outlet can be accordingly arranged as needed, and 2 are respectively provided in the present embodiment and is recycled back to head piece and 2 cyclic water outlets
Mouthful, but 1 also can be set in other embodiments and be recycled back to head piece and 1 circulating outlet, or the more circulations of setting
Refluxing opening and circulating outlet.
Referring to figure 6 and figure 7, flow-guiding mouth 3a is provided at the top of inner cylinder 3, flow-guiding mouth 3a is set along the tangential direction of 3 barrel of inner cylinder
It sets.Diversion trench 3b is provided on the inner wall of inner cylinder 3, diversion trench 3b is extended downwardly along the spiral inner wall of inner cylinder 3, diversion trench 3b's
Top is located at the lower section of flow-guiding mouth 3a.The development length of diversion trench 3b can be configured according to the setting quantity of diversion trench, quantity
Multi-time Delay elongation can be corresponding shorter, and development length can accordingly be grown when quantity is few.The present embodiment is provided at the top of inner cylinder 3
Circumferentially uniform intervals are arranged by a pair of of flow-guiding mouth 3a, flow-guiding mouth 3a, a pair of of diversion trench 3b are correspondingly arranged on 3 inner wall of inner cylinder, often
The top of one diversion trench 3b is each located on the lower section of a flow-guiding mouth 3a.The thermoprobe 7 of the present embodiment is by being welded in inner cylinder 3
Inner wall on probe tube 7a be set in inner cylinder 3, and thermoprobe 7 is located at the vertical tangent lines position of diversion trench 3b outlet stream curve
It sets, i.e., thermoprobe is arranged perpendicular to the bottom surface of water tank main body.Thermoprobe 7 is located at the water outlet of diversion trench 3b, recycles
Mouth of a river 2b is located at the two sides of thermoprobe 7, so as to accurately measure leaving water temperature.When the water in water tank main body 2 is not followed
It when ring, is transmitted by aqueous medium heat, thermoprobe can perceive the icing condition of refrigeration area；When water starts the cycle over, by leading
Chute 2b enters direct 7 position of shock temperature measurement probe of water flow of inner cylinder 3, realizes perception outlet temperature.
It is further described below with reference to working principle of the Fig. 8 to Figure 10 to the utility model:
In use, the water of specified volume is injected into water tank main body 2 by lamina tecti 1 plus water adapter tube 1a.Freeze mould
Under formula, when the water in water tank main body 2 does not start the cycle over, thermoprobe 7 can perceive the temperature in refrigeration area by medium heat transfer
Degree, the stifled temperature of the refrigeration area runner ice that the temperature and experiment that the control system of sub-low-temperature therapeutic equipment measures thermoprobe 7 obtain
Degree compares, and when temperature blocks up temperature lower than ice in refrigeration area, then enables compressor stop working, and it is stifled to prevent ice.
Under refrigeration or heating mode, when water circulates between the peripheral hardware attachment and water tank main body of therapeutic equipment, such as
Shown in Fig. 8, the water to flow back from peripheral hardware attachment enters in the refrigeration area of water tank main body 2 through being recycled back to head piece 2a, and from refrigeration area bottom
Portion is flowed from the bottom up along the helical flow path between 4 adjacent turn coil pipe of evaporator, sufficiently the outer wall surface phase with 4 coil pipe of evaporator
Contact carries out heat exchange；In combination with Fig. 9 and Figure 10, pushed up when coil pipe runner of the water flow along 5 inside of runner baffle flow to inner cylinder 3
When portion, tangential along 3 circumference of inner cylinder enters in inner cylinder 3 through flow-guiding mouth 3a, and along the diversion trench 3b on 3 inner wall of inner cylinder to flow down
Enter in storage area.Since diversion trench 3b is down-set in the shape of a spiral, water flow flows into rear formation whirlpool in inner cylinder 3 along diversion trench 3b,
It after so that the water in storage area is sufficiently mixed uniformly, then flows out from circulating outlet 2b, avoids local temperature uneven
It happens, achievees the effect that stable in outlet water temperature.Thermoprobe 7 perceives the temperature of water outlet in storage area by medium thermal convection
The control system of degree, therapeutic equipment can realize the accurate control of outlet temperature by adjusting compressor rotary speed or the power of heater
System.
The circulating water flow runner that by evaporator 4 is formed upward with maximum stream flow, spiral, when compressor is out of service
Afterwards, the efficiency that recirculated water can be high realizes the deicing on 4 surface of evaporator；And in compressor operation, circulating water flow can also be with
The evaporating temperature in coil pipe is effectively reduced, realizes the promotion of refrigeration efficiency.By the way that overtemperature protector 12 is arranged, in heating mode
Under, regardless of the water in water tank main body 2 is to stand or circulate, can be perceived in storage area by overtemperature protector 12
Temperature, when temperature is more than protection threshold value in storage area, control heater 7 stops working, and realizes the overtemperature prote to water tank.
Certainly, the technical concept of the utility model is not limited in above-described embodiment, can also be according to the utility model
Design obtains many different concrete schemes, for example, evaporator can also directly be located in the inner wall and inner cylinder of water tank main body
Between outer wall, and it is not provided with runner baffle；Being recycled back to head piece also can be set in the bottom of water tank main body wall, rather than be arranged
In on the bottom surface of water tank main body；Evaporator preferably uses and is projected as circular coil pipe knot in the plane perpendicular to its center line
Structure, but can also be using in the coil arrangement for being projected as the other shapes such as polygon in the plane perpendicular to its center line；
Such as these change and equivalent transformation should be included in it is described in the utility model within the scope of.
Claims (10)
1. the heat-exchanging water tank of sub-low-temperature therapeutic equipment, comprising: water tank main body is set to the intracorporal inner cylinder of the water tank master, helical form
Evaporator and be set to the lamina tecti of the water tank body top, the inner cylinder separates the space of the water tank body interior
For the storage area in the inner cylinder and the refrigeration area between the inner tank theca and the water tank main body inner wall, refrigeration
Area is connected to storage area in upper end；The evaporator is located in the refrigeration area and is set around the inner cylinder periphery, the water tank
Main body has the circulating outlet for being recycled back to head piece and be connected to the storage area being connected to the refrigeration area；
It is characterized by:
Runner baffle, the evaporator adjacent turn are provided between the outside of the evaporator and the inner wall of the water tank main body
Coil pipe arranged for interval.
2. the heat-exchanging water tank of sub-low-temperature therapeutic equipment as described in claim 1, it is characterised in that: the inner cylinder is hollow circle
Cylinder, is provided with flow-guiding mouth at the top of the inner cylinder, diversion trench is provided on the inner wall of the inner cylinder, the diversion trench is described in
The spiral inner wall of inner cylinder extends downwardly, and the top of diversion trench is located at the lower section of the flow-guiding mouth.
3. the heat-exchanging water tank of sub-low-temperature therapeutic equipment as claimed in claim 2, it is characterised in that: the flow-guiding mouth is along inner cylinder barrel
Tangential direction setting.
4. the heat-exchanging water tank of the sub-low-temperature therapeutic equipment as described in claims 1 or 2 or 3, it is characterised in that: described to be recycled back to head piece
The bottom of the water tank main body is set to the circulating outlet.
5. the heat-exchanging water tank of the sub-low-temperature therapeutic equipment as described in claims 1 or 2 or 3, it is characterised in that: the runner baffle is
Silica gel runner baffle.
6. the heat-exchanging water tank of sub-low-temperature therapeutic equipment as claimed in claim 2 or claim 3, it is characterised in that: further include from the water tank
Body top is extended downwardly into the thermoprobe in the inner cylinder, and the thermoprobe is located at the water outlet of the diversion trench.
7. the heat-exchanging water tank of sub-low-temperature therapeutic equipment as claimed in claim 6, it is characterised in that: the circulating outlet is located at institute
State the side of thermoprobe.
8. the heat-exchanging water tank of sub-low-temperature therapeutic equipment as claimed in claim 6, it is characterised in that: the thermoprobe passes through setting
It is fixed in the inner cylinder in the probe tube on the inner wall of the inner cylinder, and is located at the vertical tangent lines of diversion trench outlet stream curve
On position.
9. the heat-exchanging water tank of the sub-low-temperature therapeutic equipment as described in claims 1 or 2 or 3 or 7 or 8, it is characterised in that: further include setting
The heater being placed in the storage area.
10. a kind of heat-exchanging water tank of sub-low-temperature therapeutic equipment, comprising: water tank main body is set to the intracorporal inner cylinder of the water tank master, spiral shell
It revolves the evaporator of shape and is set to the lamina tecti of the water tank body top, the inner cylinder is by the space of the water tank body interior
It is divided into the storage area being located in the inner cylinder and the refrigeration area between the inner tank theca and the water tank main body inner wall,
Refrigeration area is connected to storage area in upper end；The evaporator is located in the refrigeration area and is set around the inner cylinder periphery, described
Water tank main body has the circulating outlet for being recycled back to head piece and be connected to the storage area being connected to the refrigeration area；
It is characterized by:
The evaporator is located between the inner wall of the water tank main body and the outer wall of the inner cylinder, the evaporator adjacent turn
Coil pipe arranged for interval.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913986.1U CN209575022U (en) | 2018-11-20 | 2018-11-20 | The heat-exchanging water tank of sub-low-temperature therapeutic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821913986.1U CN209575022U (en) | 2018-11-20 | 2018-11-20 | The heat-exchanging water tank of sub-low-temperature therapeutic equipment |
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| CN209575022U true CN209575022U (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431675A (en) * | 2018-11-20 | 2019-03-08 | 珠海和佳医疗设备股份有限公司 | A kind of heat-exchanging water tank of sub-low-temperature therapeutic equipment |
-
2018
- 2018-11-20 CN CN201821913986.1U patent/CN209575022U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431675A (en) * | 2018-11-20 | 2019-03-08 | 珠海和佳医疗设备股份有限公司 | A kind of heat-exchanging water tank of sub-low-temperature therapeutic equipment |
| CN109431675B (en) * | 2018-11-20 | 2024-05-28 | 珠海和佳医疗设备股份有限公司 | Heat exchange water tank of sub-low temperature therapeutic instrument |
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| GR01 | Patent grant | ||
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Effective date of registration: 20220628 Address after: 519030 No.5 Baosheng Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: ZHUHAI HOKAI MEDICAL INSTRUMENTS Co.,Ltd. Address before: 519030 No.5 Baosheng Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI HOKAI MEDICAL INSTRUMENTS Co.,Ltd. Patentee before: ZHUHAI HOKAI MEDICAL INSTRUMENT INNOVATION RESEARCH INSTITUTE CO.,LTD. |
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| TR01 | Transfer of patent right |