CN104841039A - Micro injection pump with heating function and work method thereof - Google Patents
Micro injection pump with heating function and work method thereof Download PDFInfo
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- CN104841039A CN104841039A CN201510225230.2A CN201510225230A CN104841039A CN 104841039 A CN104841039 A CN 104841039A CN 201510225230 A CN201510225230 A CN 201510225230A CN 104841039 A CN104841039 A CN 104841039A
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- temperature
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- heating
- heating unit
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 124
- 238000000520 microinjection Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003814 drug Substances 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000001802 infusion Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000857 drug effect Effects 0.000 description 2
- 239000008155 medical solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a micro injection pump with a heating function and a work method thereof. The micro injection pump with the heating function comprises a micro injection pump host, an injection unit connected with the micro injection pump host, a heating unit connected with the micro injection pump host and a temperature sensor connected with the micro injection pump host, wherein the micro injection pump host controls the heating unit to start and stop according to temperature data sensed by the temperature sensor. The micro injection pump with the heating function can heat liquid medicine to suitable temperature and then inject the liquid medicine into a patient by arranging the temperature sensor and the heating unit in cooperative mode, reduces a discomfort feeling for the patient, generated due to low liquid medicine temperature, and improves user experience.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a micro-injection pump with a heating function and a working method thereof.
Background
The micro-injection pump is matched with an injector for clinically carrying out intravenous infusion on a patient. When the temperature of the liquid medicine in the injector is too low, the liquid medicine is injected into a patient, and the patient feels uncomfortable. At present, a plurality of micro-injection pump products with various functions are produced in the market, but the functions of the existing micro-injection pump lack the function of heating liquid medicine, and the discomfort of patients caused by the over-low temperature of the liquid medicine can not be overcome.
Disclosure of Invention
The invention aims to provide a micro-injection pump with a heating function and a working method thereof, wherein the micro-injection pump can be used for properly heating injected liquid medicine.
The technical scheme adopted by the invention for solving the technical problems is as follows: provided is a micro syringe pump with a heating function, including:
a micro-injection pump host;
the injector unit is connected with the micro injection pump host and is used for injecting liquid medicine;
the heating unit is connected with the micro-injection pump host and used for heating the liquid medicine in the injector unit; and
the temperature sensor is connected with the micro-injection pump host and used for sensing the temperature of the heating unit or the injector unit and transmitting the sensed temperature data to the injection pump host;
and the micro-injection pump host controls the start and stop of the heating unit according to the temperature data sensed by the temperature sensor.
Preferably, a data interface for the temperature sensor to access is arranged on the micro-injection pump host.
Preferably, a power interface for the heating unit to access and supply power to the heating unit is arranged on the micro-injection pump host; the micro-injection pump host controls the on-off of the power supply interface according to the temperature data sensed by the temperature sensor, so that the start and stop of the heating unit are controlled.
Preferably, the micro syringe pump further comprises:
the temperature limiting device is connected with the power interface and used for sensing the temperature of the heating unit or the injector unit;
and the temperature limiting device controls the on-off of the power supply interface according to the sensed temperature data.
Preferably, the heating unit is arranged on the periphery of the syringe barrel of the injector unit or on the infusion tube; or,
the infusion tube of the injector unit is wound on the heating unit.
Preferably, the temperature sensor and the temperature limiting device are in contact with the heating unit to sense the temperature of the heating unit; alternatively, the temperature sensor and temperature limiting device are in contact with the injector unit to sense the temperature of the injector unit.
Preferably, the micro syringe pump host comprises a housing and a control unit disposed within the housing, the injector unit being disposed on the housing;
the heating unit is fixed on the shell; or, the micro-injection pump host further comprises a support, the support is independent and located on one side of the shell or mounted on the shell, and the heating unit is fixed on the support.
Preferably, the micro syringe pump host further comprises an operation panel connected to the control unit, and the operation panel is disposed on the housing.
The invention also provides a working method of the micro-injection pump with the heating function, which comprises the following steps:
s1, sensing the temperature of the injection liquid medicine, and executing the step S2 when the temperature is lower than a preset value or the lower limit of the preset value;
s2, heating the liquid medicine;
s3, obtaining the temperature of the heated liquid medicine through sensing, and stopping heating the liquid medicine when the temperature reaches a preset value;
s4, performing micro injection on the heated liquid medicine.
Preferably, the first preset value is 37 ℃ or 35-42 ℃.
According to the invention, through the matching arrangement of the heating unit and the temperature sensor, the liquid medicine in the injector unit can be heated to reach the appropriate temperature and then injected into the patient, so that the discomfort of the patient caused by the excessively low temperature of the liquid medicine is reduced, and the user experience is improved.
In addition, through additionally arranging the temperature limiting device, the phenomenon that the liquid medicine is heated too high due to the failure of the temperature sensor is avoided, the liquid medicine is heated to a proper temperature, and the use safety of the micro-injection pump is guaranteed.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a logical connection diagram of a micro-syringe pump with heating of the present invention;
FIG. 2 is a schematic diagram of the construction of one embodiment of a microinjection pump with heating of the present invention;
FIG. 3 is a side view schematically illustrating the heating unit and the injector unit of FIG. 2;
fig. 4 is a schematic diagram of another embodiment of a microinjection pump with heating function according to the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the micro syringe pump with heating function of the present invention includes a micro syringe pump main body 10, an injector unit 20, a heating unit 30, and a temperature sensor 40. Wherein, the injector unit 20 is connected with the micro-injection pump main machine 10 and is used for injecting liquid medicine; the heating unit 30 is connected with the micro-injection pump main machine 10 and is used for heating the liquid medicine in the injector unit 20; the temperature sensor 40 is connected to the micro syringe pump main body 10, and is configured to sense a temperature of the heating unit 30 or the injector unit 20 and transmit the sensed temperature data to the syringe pump main body 10. The micro syringe pump host 10 controls the start and stop of the heating unit 30 according to the temperature data sensed by the temperature sensor 40, so as to control the heating of the liquid medicine within a proper temperature range.
The micro-injection pump host 10 is provided with a data interface 11 for the temperature sensor 40 to access; the temperature sensor 40 transmits the sensed temperature data to the micro syringe pump host 10 through the data interface 11.
The micro-syringe pump main body 10 is further provided with a power interface 12 for the heating unit 30 to access. The micro syringe pump main body 10 supplies power to the heating unit 30 through the power interface 12, and the heating unit 30 is electrically operated. The micro-syringe pump host 10 controls the on-off of the power interface 12 according to the temperature data sensed by the temperature sensor 40, so as to control the on-off of the heating unit 30. The power interface 12 can supply power to the heating unit 30 when communicating with the heating unit 30, and stop supplying power to the heating unit 30 when disconnecting from the heating unit 30.
Specifically, the micro pump unit 10 may include a housing 13 and a control unit (not shown) disposed in the housing 13, wherein the heating unit 30 and the temperature sensor 40 are electrically connected to the control power supply. As an alternative embodiment, the heating unit 30 may be fixed to the housing 13. As another alternative, the micro syringe pump 10 further includes a holder (not shown) that is independent and located at one side of the housing 13 or is mounted on the housing 13, and the heating unit 30 is fixed to the holder.
In addition, the micro syringe pump main unit 10 further includes an operation panel 14 connected to the control unit, and the operation panel 14 is provided on the housing 13 and is used for performing a function operation on the syringe pump main unit 10.
The syringe unit 20 is provided on the housing 13 of the micro syringe pump main unit 10. Generally, the syringe unit 20 includes a syringe 21 for containing a medical fluid and an infusion tube 22 connected to the syringe 21; the syringe unit 20 is connected to the micro syringe pump main unit 10 via a plunger 23 at the top of the syringe 21, and the movement of the plunger 23 causes the injection of the liquid medicine. Preferably, the injector unit 20 is provided on one side of the housing 13; the side of the housing 13 is provided with a latch 15 for securely locking the syringe 21 of the syringe unit 20 to the side of the housing 13.
The heating unit 30 may be a resistance heating element or the like, and is powered by the syringe pump main body 10. The heating unit 30 may be provided on the outer periphery of the syringe 21 or the infusion tube 22 of the syringe unit 20, and heats the medical fluid in the syringe 21 or the infusion tube 22 by heat transfer to increase the temperature.
As shown in fig. 2 and 3, in the micro syringe pump according to the embodiment of the present invention, the heating unit 30 is disposed on the outer periphery of the syringe barrel 21. The heating unit 30 may be formed in a ring shape and annularly provided on the entire outer circumferential side surface of the syringe 21, or may be formed in a semi-ring shape and annularly provided on a part of the outer circumferential side surface of the syringe 21. Of course, the heating unit 30 may have a multi-stage structure and be located on the outer peripheral side of the syringe 21.
The heating unit 30 may also be engaged with the infusion tube 22 of the syringe unit 20 in a wrap-around manner. As shown in fig. 4, in the micro syringe pump according to another embodiment of the present invention, the infusion tube 22 of the syringe unit 20 is wound around the heating unit 30, and the liquid medicine in the infusion tube 22 is heated by heat transfer to increase the temperature.
The temperature sensor 40 may be disposed on the heating unit 30 or the syringe unit 20 in a contact type or a non-contact type, and obtains the temperature of the liquid medicine by sensing the heating temperature of the heating unit 30 or the temperature of the syringe unit 20. The temperature sensor 40 may employ a thermistor, a thermocouple, or the like. Preferably, the temperature sensor 40 is a contact type temperature sensor which is in contact with the heating unit 30 to sense the temperature of the heating unit 30 or in contact with the syringe unit 20 to sense the temperature of the syringe unit 20, and the temperature of the medical fluid is also known.
In the micro syringe pump, the heating unit 30 heats the drug solution to a temperature of preferably 35 to 42 ℃, more preferably 37 ℃. When the micro-injection pump main machine 10 obtains that the temperature of the heating unit 30 or the injector unit 20 is a preset value (35-42 ℃ or 37 ℃) through the temperature sensor 40 during operation, the power supply interface 12 is controlled to cut off power supply to the heating unit 30, and the phenomenon that the temperature of liquid medicine is too high due to continuous heating is avoided; when the temperature of the heating unit 30 or the injector unit 20 obtained by the micro-syringe pump host 10 through the temperature sensor 40 is lower than a preset value (e.g., 35 ℃), the power source interface 12 is controlled to be communicated with the heating unit 30, and power is supplied to the heating unit 30 to heat the liquid medicine.
Further, the micro syringe pump further includes a temperature limiting device 50 for sensing the temperature of the heating unit 30 or the syringe unit 20. The temperature limiting device 50 is connected (electrically connected) to the power interface 12, and can control the on/off of the power interface 12 according to the sensed temperature data, so as to control the start/stop of the heating unit 30. When the temperature sensor 40 fails due to a fault or the like, the on-off of the power supply interface 12 can be further controlled by the temperature limiting device 50, so that the temperature of the liquid medicine is finally ensured to be within a preset value.
Preferably, the temperature limiting device 50 is in contact with the heating unit 30 or the syringe unit 20 to sense the temperature of the heating unit 30 or the syringe unit 20, and also to obtain the temperature after being heated by the heating unit 30. When the temperature sensed by the temperature limiting device 50 reaches a preset value (e.g., 42 ℃), the control unit controls the power supply interface 12 to be disconnected, and stops supplying power to the heating unit 30, so as to prevent the liquid medicine from being heated continuously, so that the liquid medicine temperature is too high, the drug effect is influenced, and adverse effects are caused to the patient.
The temperature limiting device 50 may be a temperature sensing chip, which controls the power interface 12 to be turned on or off according to the sensed temperature data. When the sensed temperature reaches 42 deg.c, the power interface 12 is controlled to disconnect the power supply to the heating unit 30. When the temperature sensor 40 is operating normally and the sensed temperature does not exceed its preset value (e.g., 42 ℃), the connection between the power interface 12 and the heating unit 30 is controlled or the disconnection of the power interface 12 is not controlled, and at this time, the connection between the power interface 12 and the heating unit 30 is mainly controlled by the micro syringe pump host 10. This temperature limiting device 50's setting forms the dual fail-safe with temperature sensor 40, avoids leading to heating unit 30 to the liquid medicine too high because of temperature sensor 40 is invalid, ensures the safety in utilization of microinjection pump.
The working method of the micro-injection pump with the heating function provided by the embodiment of the invention can comprise the following steps of:
s1, sensing the temperature of the injected liquid medicine, and executing the step S2 when the temperature is lower than the preset value or the lower limit of the preset value.
The preset value may be 37 ℃ or 35-42 ℃, and when the temperature of the liquid medicine is lower than 35 or 37 ℃, the liquid medicine is directly injected into the patient, which causes discomfort to the patient, so that the liquid medicine is heated to reach the proper temperature value, such as 37 ℃, by performing step S2.
S2, heating the liquid medicine to heat the liquid medicine to a proper temperature value, and avoiding discomfort of the patient caused by the liquid medicine with too low temperature. Preferably to 37 c and not more than 42 c.
And S3, obtaining the temperature of the heated liquid medicine through sensing, and stopping heating the liquid medicine when the temperature reaches a preset value.
S4, the heated liquid medicine is subjected to micro-injection, and the liquid medicine is injected into a patient at a proper temperature, so that discomfort of the patient caused by too low temperature of the liquid medicine is reduced, and user experience is improved.
The above operation method can be realized by using the micro-syringe pump with heating function of the above embodiment shown in fig. 1-3. The specific method comprises the following steps:
s1, sensing the temperature of the injected medical solution through the temperature sensor 40,
the medical fluid is placed in the syringe barrel 21 of the syringe unit 20, the temperature of the syringe unit 20 or the heating unit 30 of the syringe unit 20 is sensed by the temperature sensor 40, and the following step S2 is performed when the temperature is too low. When the temperature of the liquid medicine is obviously too low through hand feeling, the temperature sensor 40 is not needed for sensing.
And S2, starting the injection pump host 10, controlling the communication between the power interface 12 and the heating unit 30 according to the temperature data sensed by the temperature sensor 40, and supplying power to the heating unit 30.
S3, the temperature sensor 40 senses the temperature of the heating unit 30 or the injector unit 20 to obtain the heating temperature of the liquid medicine, and transmits the temperature data to the micro syringe pump host 10, and the syringe pump host 10 controls the power interface 12 to be disconnected when the temperature data reaches 37 ℃ according to the temperature data obtained by the temperature sensor 40, so as to control the heating unit 30 to stop working, so that the temperature of the heated liquid medicine is in a proper range.
S4, the syringe pump main unit 10 controls the syringe unit 20 to perform an injection operation, and injects a small amount of the heated medical solution into the patient.
In the above working method, when the temperature sensor 40 fails, the temperature limiting device 50 senses the temperature, and the temperature limiting device 50 can control the on/off of the power interface 12 according to the sensed temperature data, so as to control whether the power interface 12 supplies power to the heating unit 30.
In the above step S3, when the temperature sensor 40 fails and the micro-syringe pump host 10 fails to know the temperature of the liquid medicine in real time, the temperature limiting device 50 controls the power source 12 and the heating unit 30 to be turned off when the sensed temperature reaches 42 ℃, so that the heating unit 30 stops heating the liquid medicine, the heating unit 30 is prevented from continuously heating the liquid medicine, and the drug effect is prevented from being influenced by the excessively high temperature of the liquid medicine and the adverse effect on the patient is avoided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A microinjection pump with a heating function, comprising:
a micro-injection pump host;
the injector unit is connected with the micro injection pump host and is used for injecting liquid medicine;
the heating unit is connected with the micro-injection pump host and used for heating the liquid medicine in the injector unit; and
the temperature sensor is connected with the micro-injection pump host and used for sensing the temperature of the heating unit or the injector unit and transmitting the sensed temperature data to the injection pump host;
and the micro-injection pump host controls the start and stop of the heating unit according to the temperature data sensed by the temperature sensor.
2. The micro syringe pump with heating function according to claim 1, wherein the micro syringe pump host is provided with a data interface for accessing the temperature sensor.
3. The micro syringe pump with the heating function according to claim 1, wherein a power interface for the heating unit to access and supply power to the heating unit is provided on the micro syringe pump body; the micro-injection pump host controls the on-off of the power supply interface according to the temperature data sensed by the temperature sensor, so that the start and stop of the heating unit are controlled.
4. The micro syringe pump with heating function according to claim 3, further comprising:
the temperature limiting device is connected with the power interface and used for sensing the temperature of the heating unit or the injector unit;
and the temperature limiting device controls the on-off of the power supply interface according to the sensed temperature data.
5. The microinjection pump with heating function according to claim 4, wherein the temperature sensor and the temperature limiting device are in contact with the heating unit to sense the temperature of the heating unit; alternatively, the temperature sensor and temperature limiting device are in contact with the injector unit to sense the temperature of the injector unit.
6. The micro syringe pump with heating function according to claim 1, wherein the heating unit is provided on an outer periphery of a syringe barrel of the syringe unit or on a liquid transport tube; or,
the infusion tube of the injector unit is wound on the heating unit.
7. The micro syringe pump with heating function according to any one of claims 1 to 6, wherein the micro syringe pump main body comprises a housing and a control unit provided in the housing, the injector unit being provided on the housing;
the heating unit is fixed on the shell; or, the micro-injection pump host further comprises a support, the support is independent and located on one side of the shell or mounted on the shell, and the heating unit is fixed on the support.
8. The micro syringe pump with heating function according to claim 7, wherein the micro syringe pump main body further comprises an operation panel connected to the control unit, the operation panel being provided on the housing.
9. The working method of the micro-injection pump with the heating function is characterized by comprising the following steps of:
s1, sensing the temperature of the injection liquid medicine, and executing the step S2 when the temperature is lower than a preset value or the lower limit of the preset value;
s2, heating the liquid medicine;
s3, obtaining the temperature of the heated liquid medicine through sensing, and stopping heating the liquid medicine when the temperature reaches the preset value;
s4, performing micro injection on the heated liquid medicine.
10. Working method according to claim 9, characterized in that said preset value is 37 ℃ or 35-42 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225230.2A CN104841039A (en) | 2015-05-06 | 2015-05-06 | Micro injection pump with heating function and work method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225230.2A CN104841039A (en) | 2015-05-06 | 2015-05-06 | Micro injection pump with heating function and work method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104841039A true CN104841039A (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510225230.2A Pending CN104841039A (en) | 2015-05-06 | 2015-05-06 | Micro injection pump with heating function and work method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104841039A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540362A (en) * | 2016-11-22 | 2017-03-29 | 深圳圣诺医疗设备股份有限公司 | Infusion system with heating function and its method of work |
| CN106983579A (en) * | 2017-05-15 | 2017-07-28 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of dual circuit injects handle |
| CN110201269A (en) * | 2019-05-31 | 2019-09-06 | 江苏德尔福医疗器械有限公司 | Multi-functional injection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007947A1 (en) * | 1989-01-19 | 1990-07-26 | Stephens Harry William Jr | Rapid infusion device |
| CN1684729A (en) * | 2002-08-02 | 2005-10-19 | 利布尔-弗拉希姆公司 | Injector |
| CN101332328A (en) * | 2007-06-28 | 2008-12-31 | 尕明 | Medical infusion device |
| CN202875951U (en) * | 2012-10-22 | 2013-04-17 | 北京京精医疗设备有限公司 | Heating infusion pump |
| CN103721316A (en) * | 2013-12-26 | 2014-04-16 | 青岛市市立医院 | Portable temperature regulating instrument of intrathecal epidural analgesic tube |
-
2015
- 2015-05-06 CN CN201510225230.2A patent/CN104841039A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007947A1 (en) * | 1989-01-19 | 1990-07-26 | Stephens Harry William Jr | Rapid infusion device |
| CN1684729A (en) * | 2002-08-02 | 2005-10-19 | 利布尔-弗拉希姆公司 | Injector |
| CN101332328A (en) * | 2007-06-28 | 2008-12-31 | 尕明 | Medical infusion device |
| CN202875951U (en) * | 2012-10-22 | 2013-04-17 | 北京京精医疗设备有限公司 | Heating infusion pump |
| CN103721316A (en) * | 2013-12-26 | 2014-04-16 | 青岛市市立医院 | Portable temperature regulating instrument of intrathecal epidural analgesic tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106540362A (en) * | 2016-11-22 | 2017-03-29 | 深圳圣诺医疗设备股份有限公司 | Infusion system with heating function and its method of work |
| CN106983579A (en) * | 2017-05-15 | 2017-07-28 | 青岛澳德思瑞智能免疫技术有限公司 | A kind of dual circuit injects handle |
| CN110201269A (en) * | 2019-05-31 | 2019-09-06 | 江苏德尔福医疗器械有限公司 | Multi-functional injection device |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Sunshine Community Songbai Road No. 1008, building six floor 15 artview Applicant after: SINO MEDICAL-DEVICE TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili Sunshine Community Songbai Road No. 1008, building six floor 15 artview Applicant before: Shenzhen Sino Medical-device Technology Co., Ltd. |
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Application publication date: 20150819 |