CN206867471U - A kind of micro pump - Google Patents
A kind of micro pump Download PDFInfo
- Publication number
- CN206867471U CN206867471U CN201720021209.5U CN201720021209U CN206867471U CN 206867471 U CN206867471 U CN 206867471U CN 201720021209 U CN201720021209 U CN 201720021209U CN 206867471 U CN206867471 U CN 206867471U
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- China
- Prior art keywords
- heating wire
- micro pump
- injection tube
- temperature
- pump according
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- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
It the utility model is related to a kind of micro pump, including micro pump body and the filling thruster that is arranged on the micro pump body, the filling thruster include needle tubing, injection tube and push rod, the outer wall of the filling thruster is provided with heater；The heater includes heating wire, temperature sensor and temperature display controlling switch, the heating wire is arranged on the injection tube in multistage, non-overlapping copies between every two sections of heating wire, heating wire is connected in parallel described in multistage, the piston head of the push rod is provided with displacement transducer, and the temperature sensor and displacement transducer are connected with the temperature display controlling switch.The utility model can heat to injecting fluid, avoid because be injected in vivo fluid temperature it is too low caused by patient is uncomfortable or other adverse reactions, and the temperature for filling the liquid in thruster of micro pump is sensed at any time, heater is controlled by temperature display controlling switch, preferably controls the temperature of injection medicament.
Description
Technical field
Technical field of medical instruments is the utility model is related to, particularly relates to a kind of micro pump.
Background technology
Micro-injection pump, abbreviation micro pump, be a kind of new pumping forces instrument, by a small amount of decoction it is accurate, it is micro, uniform, hold
It is pumped into continuously in vivo, simple operation, timing, quantifies, needed that concentration, the speed of medicine can be adjusted at any time according to the state of an illness, make medicine
Effective blood drug concentration can be kept in vivo, fluid volume is few.Be applicable with administration is very accurate, total amount very little and injection speed slowly or
The uniform situation of long-time flow velocity, is mainly used in the diseases such as the chemotherapy of pancreatitis, diabetes, hypertension, shock, liver transfer operation and tumour
People.
Existing medical micro pump clinic is used for venous transfusion and enteral nutrition, the speed that can specify that at the uniform velocity transfusion
Body, output end are mostly external filling thruster, and generally many medicaments need to refrigerate in storage, if gathered around after being taken out from refrigerating chamber micro-
When amount infusion is penetrated, particularly injected in arctic weather, substantial amounts of liquid by the syringe on micro pump from vitro into people
Body is intravascular, larger with body temperature difference because medicine temperature is relatively low, then a large amount of defeated less than the decoction of blood heat
Entering will cause patient shivery so that body temperature declines, or even can bring other adverse reactions, especially old
Patient, reaction will become more apparent.
And some medicaments need to inject at a certain temperature and can be only achieved best effect, when being injected with micro pump,
Medicament can change with the change of environment temperature, it is impossible to keep at the required temperatures, not reaching best therapeutic effect, institute
The medicaments that some needs inject under temperature constant state can not be met with traditional micro pump.
Utility model content
In order to solve the problems, such as that prior art is present, the utility model provide it is a kind of it is simple in construction, can be to filling in thruster
Medicament heated and keep the micro pump of constant temperature.
Technical scheme used by the utility model：
A kind of micro pump, including micro pump body and the filling thruster that is arranged on the micro pump body, the filling push away
Device includes needle tubing, injection tube and push rod, and the filling thruster is provided with heater.
Preferably, the heater includes heating wire, and the heating wire is circumferentially positioned on the injection tube.
The heater includes temperature display controlling switch, and the heating wire is controlled by electric wire and the temperature display
Switch connection.
Further, the heating wire is arranged on the injection tube in multistage, between every two sections of heating wire mutually not
Overlapping, heating wire is connected in parallel described in multistage, and the inner wall position of the injection tube is set corresponding to the end of every section of heating wire
There is test point, the piston head of the push rod is provided with the displacement transducer for being used for detecting the test point, institute's displacement sensors
It is connected with the temperature display controlling switch.
The heater includes temperature sensor, and the temperature sensor is arranged on the front end of the injection tube, institute
Temperature sensor is stated to be connected with the temperature display controlling switch.
Preferably, the outer wall of injection tube is provided with multistage and the helical groove of the heating wire position correspondence, the electricity
Heated filament is placed in the helical groove.
Further, the outer wall of the heater is provided with insulating.
Specifically, the thermal insulation layer uses the ceramic structure with heat-insulation and heat-preservation.
Generally, the temperature display controlling switch is Special automatic control switch of the design temperature between 36~42 °.
In addition, the material of the injection tube is transparent silicone grease.
The beneficial effects of the utility model：
The setting of heater on thruster is filled in the utility model, injecting fluid can be heated, is avoided because of injection
Internal fluid temperature is too low to cause patient uncomfortable or other adverse reactions.
The setting of temperature sensor in heater, can sense the temperature of the liquid in injection tube at any time, and be transmitted
Heater is controlled to temperature display controlling switch, when the fluid temperature in injection tube is less than required temperature, temperature display
Controlling switch will control heater to heat the liquid in injection tube, and control injecting fluid is automatically controlled so as to realize
Temperature purpose, and then ensure liquid can be injected under temperature constant state.Insulating on heater outer wall
Set, avoid user of service from being scalded or wounded by electric current by heating wire, and be incubated to the liquid in injection tube.
Multistage heating wire is non-cross to be connected in parallel on injection tube, and displacement sensing is set on the piston head of push rod
Device, judges the position of piston head by detecting the test point of every section of heating wire end, and its detection signal is transmitted into display control
Switch, the independent heating state for automatically controlling every section of heating wire of energy, make the heating wire of the position correspondence of no liquid in injection tube
Stop heating, save resource.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that thruster is filled in the utility model.
1- micro pumps body in figure；2- fills thruster；3- needle tubings；4- injection tubes；5- push rods；6- heating wire；7- helical forms are recessed
Groove.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
Referring to Fig. 1 to Fig. 2, the utility model provides a kind of micro pump, including micro pump body 1 and is arranged on micro
Filling thruster 2 on pump body, filling thruster 2 includes needle tubing 3, injection tube 4 and push rod 5, wherein, the material of injection tube 4 be it is transparent,
Silicone grease with excellent heat dispersion performance, fill thruster 2 and be provided with heater, injecting fluid can be heated, avoided because of note
Enter that internal fluid temperature is too low to cause patient uncomfortable or other adverse reactions.
Heater includes thermal source, and wherein thermal source uses heating wire 6, and heating wire is arranged on injection tube 4 in multistage, often
Non-overlapping copies between two sections of heating wire, multistage heating wire are connected in parallel, and heater also includes temperature display controlling switch, temperature
Display control switch is Special automatic control switch of the design temperature between 36~42 °, and heating wire passes through electric wire and the temperature
Spend display control switch connection.The inner wall position of injection tube corresponding to the end of every section of heating wire is provided with test point, the work of push rod 5
Chock plug is provided with the displacement transducer for being used for detecting test point, and displacement transducer is connected with temperature display controlling switch, in addition, plus
Thermal also includes temperature sensor, and temperature sensor is arranged on the front end of injection tube 4, temperature sensor and temperature display control
System switch connection, temperature sensor can sense the temperature of the liquid in injection tube 4 at any time, preferably to control the temperature of injecting fluid
Degree, and then ensure that liquid can be injected under temperature constant state；Data signal is transmitted to temperature by medical personnel by temperature sensor
Degree display control switch carrys out control electric current intensity, so as to control heating-up temperature, reaches the temperature of the injection medicament in injection tube 4
Most preferably, micro pump clinic is used for venous transfusion and enteral nutrition, and typically, the temperature of the injection medicament in injection tube 4 reaches 36
~42 ° optimal, while temperature display controlling switch can show the temperature of injection medicament in real time.
Electromagnetic field is produced after being powered in order to avoid heating wire 6 so that adjacent heating wire 6 attracts each other so as to be bonded in one
Rise, cause the generation of partial short-circuit situation, the utility model is provided with the outer surface of the inwall of injection tube 4 and is set in distance
Multistage helical groove 7, the position of helical groove 7 and heating wire 6 corresponds, and heating wire 6 is placed on helical groove 7
It is interior, while the speed of hot injection liquid is accelerated.
In order to protect user of service safe, be provided with insulating on the outer wall of heater, it is of the present utility model every
Thermosphere uses the porcelain bushing with heat-insulation and heat-preservation, and specifically, ceramic thermal insulation layer is wrapped in heating wire 6 or heating plate, keeps away
Exempt from user of service to wound by heating wire 6 or heating plate scald or by electric current.The thermal insulation layer of the ceramic structure also has heat-insulating property,
Injection medicament in injection tube 4 can be incubated.
As shown in Fig. 2 the outer surface of the inwall of injection tube 4 is provided with three sections of helical grooves 7, put in helical groove 7
Heating wire 6 is put, three sections of spiral heating wire 6 are connected in parallel, from top to bottom respectively first paragraph heating wire 6-1, second segment
Heating wire 6-2 and the 3rd section of heating wire 6-3, a displacement transducer is installed on the piston head of injection tube 4, in every section of heating wire
End corresponding to the inner wall position of injection tube be provided with test point, displacement transducer is judged on push rod 5 by sensing test point
Piston head shift position, wherein it is desired to explanation, piston head successively by first paragraph heating wire 6-1, second segment electric heating
6-2 and the 3rd section of heating wire 6-3 of silk, the end close to one end of the piston head of injection tube 4 for every section of heating wire, at piston head
When first paragraph heating wire 6-1 terminal position, illustrate corresponding to first paragraph heating wire 6-1 in injection tube without parenteral solution
Body, displacement transducer transmit a signal to temperature display controlling switch, and first paragraph heating wire 6-1 is stopped heating, works as work
When chock plug is in second segment heating wire 6-2 terminal position, illustrate that first paragraph heating wire 6-1 and second segment heating wire 6-2 is corresponding
Injection tube in without injecting fluid, displacement transducer transmits a signal to temperature display controlling switch, to first paragraph electric heating
Silk 6-1 and second segment heating wire 6-2 stops being heated, when piston head is in the 3rd heating wire 6-3 terminal position, this
When three sections of heating wire stop heating.
Micro pump body 1 is also referred to as micro-injection pump, is a kind of new pumping forces instrument, and a small amount of decoction is accurate, micro, equal
It is even, be constantly pumped into vivo, it is simple operation, timing, quantitative, and needed that according to the state of an illness concentration, the speed of medicine can be adjusted at any time,
Medicine is set to keep effective blood drug concentration in vivo, fluid volume is few.
Using preceding circuit, power supply distance and the instrument state for first checking micro pump body 1, if it is pre- by the use of battery in pump as
Power, should be first charged, and it is empty with special filling thruster 2 absorption decoction, connection injection extension tube, emptying then to check medicine by doctor's advice
After gas by fill thruster 2 be placed on the slide of micro pump body 1, by fill thruster 2 be connected with micro pump line, and properly filling is pushed away
Device 2 is fixed, and the power switch for opening micro pump body 1 treats that machine self-test finishes, according to the state of an illness, pharmaceutical properties selection administration
Speed.After micro pump body 1 is powered, temperature display controlling switch can automatically begin to add the injecting fluid in injection tube 4
Heat, and the temperature control in injection tube 4, when fluid temperature reaches required temperature, is pressed micro between 36~42 °
Start button on pump body 1, micro pump body 1 starts the liquid in injection tube 4 being transported to inside patient, at piston head
When first paragraph heating wire 6-1 terminal position, displacement transducer transmits a signal to temperature display controlling switch, to first paragraph
Heating wire 6-1 stop heating, when piston head be in second segment heating wire 6-2 terminal position, to first paragraph heating wire 6-1 with
Second segment heating wire 6-2 stops heating, when piston head is in the 3rd section of heating wire 6-3 terminal position, stops to three sections of electricity
Heated filament is heated, and when the fluid temperature in injection tube 4 is less than required temperature, signal is transmitted to temperature display control by temperature sensor
Switch, temperature display controlling switch will connect the loop of heating wire 6 automatically and be heated, when fluid temperature is higher than required temperature
When, temperature display controlling switch can then disconnect the loop of heating wire 6 automatically and stop heating, so that the medicament in injection tube 4 is protected
Hold temperature constant state.After injection, press venipuncture position with aseptic cotton carrier and pull out syringe needle rapidly.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, guarantor's scope of the present utility model should be with the right
It is required that protection domain be defined.
Claims (10)
1. a kind of micro pump, including micro pump body (1) and the filling thruster (2) that is arranged on the micro pump body, it is described
Filling thruster (2) includes needle tubing (3), injection tube (4) and push rod (5), it is characterised in that the filling thruster (2) is provided with heating and filled
Put.
2. a kind of micro pump according to claim 1, it is characterised in that the heater includes heating wire (6), described
Heating wire (6) is circumferentially positioned on the injection tube (4).
3. a kind of micro pump according to claim 2, it is characterised in that the heater includes temperature display control and opened
Close, the heating wire (6) is connected by electric wire with the temperature display controlling switch.
4. a kind of micro pump according to claim 3, it is characterised in that the heating wire (6) is arranged on described in multistage
On injection tube (4), non-overlapping copies between every two sections of heating wire (6), heating wire (6) is connected in parallel described in multistage, every section of institute
The inner wall position for stating the injection tube (4) corresponding to the end of heating wire (6) is provided with test point, the piston head of the push rod (5)
The displacement transducer for being used for detecting the test point is provided with, institute's displacement sensors connect with the temperature display controlling switch
Connect.
5. a kind of micro pump according to claim 3, it is characterised in that the heater includes temperature sensor, institute
State the front end that temperature sensor is arranged on the injection tube (4), the temperature sensor and the temperature display controlling switch
Connection.
6. a kind of micro pump according to claim 4, it is characterised in that the outer wall of the injection tube (4) is provided with multistage
With the helical groove (7) of the heating wire (6) position correspondence, the heating wire (6) is placed on the helical groove (7)
It is interior.
7. a kind of micro pump according to claim 2, it is characterised in that the outer wall of the heater is provided with heat-insulation and heat-preservation
Layer.
8. a kind of micro pump according to claim 7, it is characterised in that the insulating uses porcelain bushing.
9. a kind of micro pump according to claim 3, it is characterised in that the temperature display controlling switch is design temperature
Special automatic control switch between 36~42 °.
10. a kind of micro pump according to claim 1, it is characterised in that the material of the injection tube (4) is transparent silicon
Fat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021209.5U CN206867471U (en) | 2017-01-09 | 2017-01-09 | A kind of micro pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021209.5U CN206867471U (en) | 2017-01-09 | 2017-01-09 | A kind of micro pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206867471U true CN206867471U (en) | 2018-01-12 |
Family
ID=61326115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021209.5U Expired - Fee Related CN206867471U (en) | 2017-01-09 | 2017-01-09 | A kind of micro pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206867471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521449A (en) * | 2021-08-09 | 2021-10-22 | 山东第一医科大学附属肿瘤医院(山东省肿瘤防治研究院、山东省肿瘤医院) | Thermostatic inhibitor injection equipment for tumor immunotherapy and implementation method thereof |
| CN113975531A (en) * | 2021-12-09 | 2022-01-28 | 山东大学齐鲁医院 | Combined micro-pump control device |
-
2017
- 2017-01-09 CN CN201720021209.5U patent/CN206867471U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521449A (en) * | 2021-08-09 | 2021-10-22 | 山东第一医科大学附属肿瘤医院(山东省肿瘤防治研究院、山东省肿瘤医院) | Thermostatic inhibitor injection equipment for tumor immunotherapy and implementation method thereof |
| CN113975531A (en) * | 2021-12-09 | 2022-01-28 | 山东大学齐鲁医院 | Combined micro-pump control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20190109 |