CN111450359B - Medical transfusion heater - Google Patents
Medical transfusion heater Download PDFInfo
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- CN111450359B CN111450359B CN202010273913.6A CN202010273913A CN111450359B CN 111450359 B CN111450359 B CN 111450359B CN 202010273913 A CN202010273913 A CN 202010273913A CN 111450359 B CN111450359 B CN 111450359B
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- power switch
- cam
- cover body
- switch
- cover
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- 238000001802 infusion Methods 0.000 claims abstract description 45
- 238000003780 insertion Methods 0.000 claims abstract description 25
- 230000037431 insertion Effects 0.000 claims abstract description 25
- 238000005485 electric heating Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 206010006784 Burning sensation Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/44—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media
- A61M5/445—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本发明公开了一种医用输液加热器，包括：外壳体、用于发热的电热元件、用于传递热量的导热板、用于挤压输液管从而调节流速的凸轮、用于供用户转动以带动凸轮转动的转轮、用于开关电源的电源开关和用于调节温度的调温开关；导热板形成有供输液管穿过的管槽；导热板连接至电热元件；外壳体包括：座体和盖体；电热元件、导热板、电源开关和调温开关安装至座体且电源开关和调温开关设置于座体的内部；盖体形成有用于触发电源开关以打开电源开关的插杆；座体形成有用于供插杆插入的插孔；盖体相对于座体具有打开位置和关闭位置。本发明的有益之处在于，转动转轮，转轮能够同时带动凸轮和调温开关转动，用户在调节流速的同时能够实现对发热功率的调节，操作简单，方便实用。
The invention discloses a medical infusion heater, comprising: an outer casing, an electric heating element for heating, a heat conduction plate for transferring heat, a cam for squeezing the infusion tube to adjust the flow rate, and a cam for a user to rotate to drive A wheel rotated by a cam, a power switch for switching the power supply and a temperature adjusting switch for adjusting the temperature; the heat-conducting plate is formed with a pipe groove for the infusion pipe to pass through; the heat-conducting plate is connected to the electric heating element; the outer casing comprises: a seat body and a The cover body; the electric heating element, the heat conduction plate, the power switch and the temperature adjustment switch are installed on the base body, and the power switch and the temperature adjustment switch are arranged inside the base body; the cover body is formed with a plunger for triggering the power switch to turn on the power switch; The body is formed with an insertion hole for inserting the rod; the cover body has an open position and a closed position relative to the base body. The advantages of the present invention lie in that the rotating wheel can drive the cam and the temperature adjustment switch to rotate at the same time, the user can adjust the heating power while adjusting the flow rate, and the operation is simple, convenient and practical.
Description
Technical Field
The invention relates to a medical infusion heater.
Background
Intravenous infusion is one of the most common administration modes in medical treatment at present, and because the temperature of the infused liquid is mostly lower than the temperature of a human body, especially in winter, the existing common infusion device does not have any heating measures. Therefore, when the infused liquid enters the vein, people feel cold, the patient feels uncomfortable after long-time infusion, the patient feels painful after acupuncture, and uncomfortable symptoms such as low body temperature, cold tremor of the patient and the like can be caused.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the medical infusion heater, the heating power and the flow rate can be simultaneously adjusted by rotating the rotating wheel, and the medical infusion heater is convenient and practical.
In order to achieve the above object, the present invention adopts the following technical solutions:
a medical infusion heater comprising: the device comprises an outer shell, an electric heating element for heating, a heat conducting plate for transferring heat, a cam for extruding an infusion tube so as to adjust the flow rate, a rotating wheel for a user to rotate so as to drive the cam to rotate, a power switch for switching on and off a power supply and a temperature adjusting switch for adjusting the temperature; the heat conducting plate is provided with a pipe groove for the liquid conveying pipe to pass through; the heat conducting plate is connected to the electric heating element; the outer shell includes: a base and a cover; the electric heating element, the heat conducting plate, the power switch and the temperature regulating switch are arranged on the seat body, and the power switch and the temperature regulating switch are arranged in the seat body; the cover body is provided with an insertion rod for triggering the power switch to turn on the power switch; the base body is provided with a jack for inserting the inserted rod; the power switch is arranged at one end of the jack; the cover body has an opening position and a closing position relative to the base body; when the cover body is in the opening position, the cover body is separated from the seat body so that the infusion tube can be placed in the tube groove; when the cover body is in a closed position, the cover body is in contact with the seat body to clamp the infusion tube from two sides, and the inserted rod is inserted into the insertion hole to trigger the power switch to be started; when the cover body moves from the closing position to the opening position, the inserted rod draws out the power switch from the jack and turns off the power switch; the temperature adjusting switch is a rotary potentiometer; the rotating wheel is arranged on a rotating shaft of the rotary potentiometer; the cam is mounted to the runner; the cam, the rotating wheel and the rotating shaft of the rotary potentiometer rotate coaxially.
Further, when the cover body is in the closed position, the cover body is connected to the seat body through the buckling structure.
Further, the cover body is symmetrical about a plane of symmetry and the cover body is centrosymmetric about the inserted link.
Further, the cam and the runner are rotatably connected to the housing.
Further, the cam and the seat body squeeze the infusion tube from both sides to adjust the flow rate.
Further, the inserting direction of the inserting rod is parallel to the rotating axis of the rotating wheel.
Further, the medical transfusion heater further comprises: a first ceramic thermal shield; the electric heating element and the heat conducting plate are installed to the seat body through the first ceramic heat insulation piece.
Further, the medical transfusion heater further comprises: a second ceramic thermal shield; the second ceramic heat insulation piece is arranged in the cover body.
Further, the pipe groove is U-shaped.
Further, the heat-conducting plate is in a U-shaped semi-encircling jack.
The temperature-regulating switch has the advantages that the rotating wheel is rotated, the rotating wheel can simultaneously drive the cam and the temperature-regulating switch to rotate, heating power and flow rate can be simultaneously regulated, and the temperature-regulating switch is simple to operate, convenient and practical. At low flow rates, the required heating power is low; the heating power is required to be large at high flow rate; the traditional medical infusion heater needs to adjust the power again after adjusting the flow rate, and is inconvenient to use. The user realizes the regulation of velocity of flow and power simultaneously when rotating the runner, convenient to use.
The insertion rod is inserted into the insertion hole to trigger the power switch to start the medical infusion heater. The power switch can be turned off by pulling the inserted link out of the jack. Switch sets up inside the shell body, and the surperficial mistake is touched and is started the heating. The operation of starting the power switch is convenient and fast while clamping the infusion tube.
The structure setting of lid makes can adopt two kinds of positive and negative modes to install the lid, convenient to use.
Drawings
FIG. 1 is a schematic view of a medical infusion heater according to the invention;
FIG. 2 is a schematic view of a housing of the medical infusion heater of FIG. 1;
FIG. 3 is a schematic view of a cover of the medical infusion heater of FIG. 1;
FIG. 4 is a schematic view of another perspective of the cover of the medical infusion heater of FIG. 1;
FIG. 5 is a cross-sectional view of the seat of the medical infusion heater of FIG. 2 taken along line A-A;
FIG. 6 is a schematic view of the medical infusion heater of FIG. 1 with the cover in a closed position;
FIG. 7 is a schematic view of the medical infusion heater of FIG. 1 with the cover in an open position;
fig. 8 is a schematic view showing the installation of the rotary wheel, the cam and the temperature adjusting switch of the medical transfusion heater in fig. 1.
The medical transfusion heater 100, the outer shell 10, the seat body 11, the jack 111, the cover body 12, the inserted link 121, the electric heating element 20, the heat conducting plate 30, the pipe groove 31, the cam 40, the rotating wheel 50, the power switch 60, the temperature adjusting switch 70, the first ceramic heat insulation part 80 and the second ceramic heat insulation part 90.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 8, a medical infusion heater 100 includes: the electric heating element comprises an outer shell 10, an electric heating element 20, a heat conducting plate 30, a cam 40, a rotating wheel 50, a power switch 60 and a temperature adjusting switch 70. The electric heating element 20 is used for generating heat. The heat conductive plate 30 serves to transfer heat. The cam 40 is used to squeeze the tubing to adjust the flow rate. The wheel 50 is adapted to be rotated by a user to rotate the cam 40. The power switch 60 is used to switch the power supply. The temperature adjusting switch 70 is used to adjust the temperature. The heat conductive plate 30 is formed with a pipe groove 31. The pipe groove 31 is for the liquid pipe to pass through. The heat conductive plate 30 is connected to the electric heating element 20.
Specifically, when the heating element 20 starts to generate heat, the heat conducting plate 30 can transfer the heat to the infusion tube.
The outer case 10 includes: a base body 11 and a cover body 12. The electric heating element 20, the heat conducting plate 30, the power switch 60 and the temperature adjusting switch 70 are mounted to the seat body 11 and the power switch 60 and the temperature adjusting switch 70 are disposed inside the seat body 11. The cover 12 is formed with an insertion rod 121. The plunger 121 is used to trigger the power switch 60 to turn on the power switch 60. The insertion direction of the insertion rod 121 is parallel to the rotation axis of the runner 50. The housing 11 is formed with an insertion hole 111. The insertion hole 111 is for insertion of the insertion rod 121. The power switch 60 is disposed at one end of the jack 111. The cover 12 has an open position and a closed position with respect to the seat 11. When the cover 12 is in the open position, the cover 12 is separated from the base 11 so that the infusion tube can be placed in the tube slot 31. When the cover 12 is in the closed position, the cover 12 contacts the seat 11 to clamp the infusion tube from both sides and the insertion rod 121 is inserted into the insertion hole 111 to trigger the power switch 60 to be started. When the cover 12 moves from the closed position to the open position, the insertion rod 121 pulls the power switch 60 out of the insertion hole 111 to turn off.
Specifically, when the insertion rod 121 is inserted into the insertion hole 111 and contacts the power switch 60 to activate the power switch 60, the electric heating element 20 starts to generate heat, and the heat conduction plate 30 transfers the heat to the liquid in the infusion tube to heat the liquid. The wheel 50 is then rotated to regulate the temperature of the fluid in the infusion line and simultaneously regulate the flow rate of the fluid. The power switch is turned off by withdrawing the insertion rod 121 from the insertion hole 111. The operation is simple, convenient and practical.
In one embodiment, the thermostatic switch 70 is a rotary potentiometer. The runner 50 is mounted to the shaft of the rotary potentiometer. Cam 40 is mounted to runner 50. The cam 40, the runner 50 and the rotary shaft of the rotary potentiometer rotate coaxially. Cam 40 and runner 50 are rotatably connected to housing 11. The cam 40 and the holder body 11 press the infusion tube from both sides to adjust the flow rate.
Particularly, the user rotates the rotating wheel 50, the rotating wheel 50 can simultaneously drive the cam 40 and the temperature adjusting switch 70 to rotate, the temperature and the flow rate can be adjusted simultaneously, and the device is simple to operate, convenient and practical.
As a specific embodiment, when the cover 12 is in the closed position, the cover 12 is connected to the seat 11 by a snap structure.
In one specific embodiment, the cover 12 is symmetrical about a plane of symmetry and the cover 12 is centrally symmetrical about the insert rod 121.
Specifically, the cover 12 is not limited to be opened or closed, and the insertion rod 111 can be inserted into the insertion hole 121 to contact the power switch 60 and start the power switch 60 as long as the cover 12 is connected to the base 11 through the snap structure. Is convenient and safe.
As a specific embodiment, the medical infusion heater 100 further comprises: a first ceramic thermal shield 80. The electric heating element 20 and the heat conductive plate 30 are mounted to the housing body 11 through the first ceramic heat insulator 80.
Specifically, when the power switch 60 is turned on, the electric heating element 20 starts to generate heat, the heat conducting plate 30 transfers the heat, and the temperature in the housing 11 starts to rise. Since the first ceramic heat insulation member 80 is located between the heat conduction plate 30 and the inner wall of the housing 11, when the user rotates the wheel 50 to touch the outer wall of the housing 11, there is no burning sensation.
As a specific embodiment, the medical infusion heater 100 further comprises: a second ceramic thermal shield 90. A second ceramic insulator 90 is disposed within the cover 12.
In one embodiment, the tube slots 31 are U-shaped. The heat conductive plate 30 is formed in a U-shaped half-surrounding insertion hole 111.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (8)
1. A medical infusion heater, comprising: the device comprises an outer shell, an electric heating element for heating, a heat conducting plate for transferring heat, a cam for extruding an infusion tube so as to adjust the flow rate, a rotating wheel for driving the cam to rotate by a user, a power switch for switching on and off a power supply and a temperature adjusting switch for adjusting the temperature;
the heat conducting plate is provided with a pipe groove for the liquid conveying pipe to pass through; the heat conducting plate is connected to the electric heating element; the outer housing includes: a base and a cover; the electric heating element, the heat conducting plate, the power switch and the temperature adjusting switch are mounted to the seat body, and the power switch and the temperature adjusting switch are arranged inside the seat body;
the cover body is provided with an inserted rod used for triggering the power switch to open the power switch; the base body is provided with a jack for the insertion rod to insert; the power switch is arranged at one end of the jack;
the cover body has an opening position and a closing position relative to the seat body; when the cover body is in an opening position, the cover body is separated from the base body so that the infusion tube can be placed in the tube groove; when the cover body is in a closed position, the cover body is in contact with the base body to clamp an infusion tube from two sides, and the inserted link is inserted into the insertion hole to trigger the power switch to be started; when the cover body moves from the closed position to the open position, the inserted link draws out the power switch from the jack and turns off the power switch;
the temperature adjusting switch is a rotary potentiometer; the rotating wheel is mounted to a rotating shaft of the rotary potentiometer; the cam is mounted to the runner; the cam, the rotating wheel and the rotating shaft of the rotary potentiometer rotate coaxially;
the cam and the rotating wheel are rotationally connected to the base body; the cam and the seat body extrude the infusion tube from two sides so as to adjust the flow rate.
2. The medical infusion heater of claim 1 wherein,
when the cover body is in the closed position, the cover body is connected to the seat body through a buckle structure.
3. The medical infusion heater of claim 1 wherein,
the cover is symmetrical about a plane of symmetry and the cover is centrosymmetric about the inserted bar.
4. The medical infusion heater of claim 1 wherein,
the inserting direction of the inserting rod is parallel to the rotating axis of the rotating wheel.
5. The medical infusion heater of claim 1 wherein,
the medical transfusion heater further comprises: a first ceramic thermal shield; the electric heating element and the heat conducting plate are installed on the base body through the first ceramic heat insulation piece.
6. The medical infusion heater of claim 5 wherein,
the medical transfusion heater further comprises: a second ceramic thermal shield; the second ceramic heat insulation piece is arranged in the cover body.
7. The medical infusion heater of claim 1 wherein,
the pipe groove is U-shaped.
8. The medical infusion heater of claim 1 wherein,
the heat conducting plate is in a U shape and surrounds the jack in a semi-encircling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010273913.6A CN111450359B (en) | 2020-04-09 | 2020-04-09 | Medical transfusion heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010273913.6A CN111450359B (en) | 2020-04-09 | 2020-04-09 | Medical transfusion heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111450359A CN111450359A (en) | 2020-07-28 |
| CN111450359B true CN111450359B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010273913.6A Active CN111450359B (en) | 2020-04-09 | 2020-04-09 | Medical transfusion heater |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112618869B (en) * | 2021-01-11 | 2021-09-10 | 创意银航(山东)技术有限公司 | Winding pipe type flow rate control infusion alarm |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205727Y (en) * | 1994-06-01 | 1995-08-23 | 季康明 | Kang's infusion thermostat |
| CN2917667Y (en) * | 2005-12-19 | 2007-07-04 | 陈虎 | Medical fluid thermostatic heating system |
| US20140309612A1 (en) * | 2005-03-17 | 2014-10-16 | Smisson-Cartledge Biomedical Llc | Infusion Pump System and Related Methods |
| CN203898868U (en) * | 2014-05-15 | 2014-10-29 | 江苏海事职业技术学院 | Constant-temperature infusion set |
| CN107617142A (en) * | 2017-10-25 | 2018-01-23 | 李魁 | A kind of infusion heating device |
| CN208081606U (en) * | 2017-03-14 | 2018-11-13 | 李伟 | The temperature controlled infusion heating device of automatic alarm is completed in a kind of infusion |
-
2020
- 2020-04-09 CN CN202010273913.6A patent/CN111450359B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205727Y (en) * | 1994-06-01 | 1995-08-23 | 季康明 | Kang's infusion thermostat |
| US20140309612A1 (en) * | 2005-03-17 | 2014-10-16 | Smisson-Cartledge Biomedical Llc | Infusion Pump System and Related Methods |
| CN2917667Y (en) * | 2005-12-19 | 2007-07-04 | 陈虎 | Medical fluid thermostatic heating system |
| CN203898868U (en) * | 2014-05-15 | 2014-10-29 | 江苏海事职业技术学院 | Constant-temperature infusion set |
| CN208081606U (en) * | 2017-03-14 | 2018-11-13 | 李伟 | The temperature controlled infusion heating device of automatic alarm is completed in a kind of infusion |
| CN107617142A (en) * | 2017-10-25 | 2018-01-23 | 李魁 | A kind of infusion heating device |
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| Publication number | Publication date |
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| CN111450359A (en) | 2020-07-28 |
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