CN209361513U - A kind of oncology micro-injection pump - Google Patents
A kind of oncology micro-injection pump Download PDFInfo
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- CN209361513U CN209361513U CN201821815177.7U CN201821815177U CN209361513U CN 209361513 U CN209361513 U CN 209361513U CN 201821815177 U CN201821815177 U CN 201821815177U CN 209361513 U CN209361513 U CN 209361513U
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Abstract
The utility model discloses a kind of oncology micro-injection pumps, it is related to technical field of medical equipment, aim to solve the problem that existing micro-injection pump cannot monitor the pressure of syringe pipeline in real time, so that when syringe is separated with positions such as extension tube or venipuncture tubes, the problem of causing the serious consequences such as liquid outflow or patient blood refluence, technical points are: micro syringe host；Injecting unit is connect with the micro syringe host, is used for liquid medicine injection；Pressure inductor is set on the injecting unit and is electrically connected with the micro syringe host, for incuding the flank pressure of injecting unit, pressure detection data being sent to the micro syringe host；The real-time pressure detection data that the micro syringe host is transmitted according to the pressure inductor is to control flow.The utility model can be accurately detected the pressure change in syringe, the convenient injection flow of control in time by the way that pressure inductor is arranged.
Description
Technical field
The utility model relates to technical field of medical equipment, more specifically, it relates to a kind of oncology micro-injection
Pump.
Background technique
Oncology is mainly engaged in various good, malignant tumour treatments.The treatment skill of most common of them is chemotherapy.Change
Treatment is a kind of effective means treated tumour and control tumor development, but since anti-tumor drug also gives patient while chemotherapy
Bring many pains, such as the swelling and pain of Nausea and vomiting, vein, phlebitis adverse reaction.There are many subclavian vein catheterizations
Contraindication and severe complication, and pipe is set in femoral venous puncture that easy infection, conduit are not easy to nurse, it is bad anti-to reduce
It should be widely applied with these micro-injection pumps are solved.
Micro-injection pump (abbreviation micro pump) is a kind of novel pumping forces instrument, a small amount of fluid is accurate, micro, uniform, hold
It exports continuously.By controller, executing agency and syringe composition.Micro-injection pump is accurate, micro, uniform by a small amount of medical fluid, holds
It is pumped into continuously in vivo, operates convenient, timing, quantitative, drug concentration, speed can be adjusted at any time according to state of an illness needs, drug is made to exist
It is able to maintain effective blood drug concentration in vivo, with micro pump critical, workload of the nurse can be mitigated, improve working efficiency,
Accurately, doctor is cooperated to rescue safely, effectively.
The micro-injection pump of clinical test at present comes with some shortcomings, specific manifestation: existing micro-injection pump cannot be real
When monitor syringe pipeline pressure so that liquid can be caused when syringe is separated with positions such as extension tube or venipuncture tubes
The serious consequences such as extracorporeal flow or patient blood refluence.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of oncology micro-injections
Pump can be accurately detected the pressure change in syringe, the convenient injection flow of control in time by the way that pressure inductor is arranged.
To achieve the above object, the utility model provides following technical solution:
A kind of oncology micro-injection pump, including micro syringe host, injecting unit and pressure inductor, the note
It penetrates unit to connect with the micro syringe host, is used for liquid medicine injection；The pressure inductor is set to the injecting unit
It above and with the micro syringe host is electrically connected, for incuding the flank pressure of injecting unit, passing pressure detection data
It send to the micro syringe host；The micro syringe host is detected according to the real-time pressure that the pressure inductor transmits
Data are to control flow.
Further, the micro syringe host includes the pump housing being connected with the injecting unit, the confession of the pump housing
Frequency converter is connected on circuit, the frequency converter and pressure inductor are electrically connected, and frequency converter control is equipped in the frequency converter
Circuit and contact switch circuit processed, the transducer control circuit are controlled the starting of frequency converter by contact switch circuit, stopped
Only.
Further, the transducer control circuit include voltage input end, point operation control circuit, starting control circuit,
The normally closed point two of shutdown control circuit and third relay, the point operation control circuit and starting control circuit and after connecing with the
The normally closed point two of three relays forms sequential circuit, and is parallel to the shutdown control circuit.
Further, the point operation control circuit includes the point driving switch and the first relay of concatenation.
Further, it is described starting control circuit include concatenation start switch with the second relay, it is described to start switch
Both ends and the opened point two for being connected to the second relay.
Further, the shutdown control circuit is concatenated by shutdown switch and third relay.
Further, the contact switch circuit includes the opened point one of the first relay and the opened point of the second relay
One, the opened point one of first relay and the opened point of the second relay connect the normally closed point one with third relay afterwards together
Concatenation.
Further, switching switch, the frequency converter and switching switch are additionally provided between the frequency converter and the pump housing
It connects to power supply respectively, and is equipped with transformation voltage-stablizer between power supply and frequency converter.
Further, the switching switch includes normally closed key, shift key and normally opened key, the output end of normally closed key and frequency converter
Connection, shift key are connect with the pump housing, and normally opened key connects to power supply.
In conclusion the utility model has the following beneficial effects:
1, the flank pressure of injecting unit is detected by pressure inductor, pressure detection data is sent to micro syringe
Host, so that micro syringe host can control flow according to the real-time pressure detection data that pressure inductor transmits.
2, the starting or stoping using contact switch circuit by transducer control circuit, adjustable output voltage, thus
The output frequency of frequency converter is adjusted, and then controls the starting speed, the speed of service and stopping speed of the pump housing；
3, by the way that switching switch is arranged between frequency converter and the pump housing, it can guarantee the normal operation of the pump housing at any time, protect always
Hold suitable running speed.
Detailed description of the invention
Fig. 1 is that a kind of a kind of module connection of oncology micro-injection pump of embodiment provided by the utility model is shown
It is intended to；
Fig. 2 is that a kind of circuit connection of a kind of oncology micro-injection pump of embodiment provided by the utility model is shown
It is intended to；
Fig. 3 is a kind of connection schematic diagram of the transducer control circuit of embodiment provided by the utility model；
Fig. 4 is a kind of connection schematic diagram of the contact switch circuit of embodiment provided by the utility model.
In figure: 1, micro syringe host；11, the pump housing；12, frequency converter；13, pressure inductor；2, injecting unit；3, become
Frequency device control circuit；31, voltage input end；32, point operation control circuit；33, start control circuit；34, shutdown control circuit；4,
Contact switch circuit；5, switching switch；51, normally closed key；52, shift key；53, normally opened key；61, the first relay；611, first
The opened point one of relay；62, the second relay；621, the opened point one of the second relay；622, the second relay is normally opened
Point two；63, third relay；631, the normally closed point one of third relay；632, the normally closed point two of third relay；71, crawl
Switch；72, it starts switch；73, shutdown switch；8, transformation voltage-stablizer.
Specific embodiment
Embodiment:
The utility model is described in further detail below in conjunction with attached drawing 1-4.
A kind of oncology micro-injection pump, as shown in Figure 1, including micro syringe host 1, injecting unit 2 and pressure
Inductor 13, wherein injecting unit 2 is connect with micro syringe host 1, is used for liquid medicine injection；The setting of pressure inductor 13 is being infused
It penetrates on unit 2 and is electrically connected with micro syringe host 1, for incuding the flank pressure of injecting unit 2, by pressure detecting number
According to micro syringe host 1 is sent to, so that the real-time pressure that micro syringe host 1 can be transmitted according to pressure inductor 13 is examined
Measured data controls flow.
As shown in Fig. 2, micro syringe host 1 includes the pump housing 11 being connected with injecting unit 2, in the power supply electricity of the pump housing 11
Road setting frequency converter 12, and pressure inductor 13 and frequency converter 12 are electrically connected；Secondly, being provided with change in frequency converter 12
Frequency device control circuit 3 and contact switch circuit 4, transducer control circuit 3 control frequency converter 12 by contact switch circuit 4
Starting stops, so that the pressure inductor 13 real-time pressure detection datas monitored are transferred to frequency converter 12, if be higher than or
Lower than preset value, then controls transducer control circuit 3 and change injection flow.In this embodiment of the utility model, frequency converter 12
Model is preferably ACS510, and 13 model of pressure inductor is preferably YYJ/GY1-1201.
More specifically, as shown in Fig. 2, being also provided with switching switch 5 between frequency converter 12 and the pump housing 11, go out in frequency converter 12
When existing failure or maintenance, it also can guarantee the normal operation of the pump housing 11, remain suitable injection speed.In the present embodiment,
Power Selection is three-phase input power supply, and frequency converter 12 and switching switch 5 are connected with three-phase input power supply respectively, and defeated in three-phase
Enter between power supply and frequency converter 12 setting transformation voltage-stablizer 8, be the stability being connect in order to ensure frequency converter 12 with the pump housing 11 and
Safety.Switching switch 5 includes normally closed key 51, shift key 52 and normally opened key 53, and the output end of normally closed key 51 and frequency converter 12 connects
It connects, shift key 52 is connect with the pump housing 11, and normally opened key 53 is connect with three-phase input power supply.When frequency converter 12 works normally, electric current
It is connected by normally closed key 51, shift key 52 and the pump housing 11；When frequency converter 12 breaks down or overhauls, normally closed key 51 and shift key
52 disconnect, and shift key 52 is connect with normally opened key 53, and electric current is connected by normally opened key 53, shift key 52 and the pump housing 11, make the pump housing 11
Can operate normally at any time is not influenced by frequency converter 12.
As shown in figure 3, transducer control circuit 3 includes voltage input end 31, point operation control circuit 32, starting control circuit
33, the normally closed point 2 632 of shutdown control circuit 34 and third relay, point operation control circuit 32 and starting control circuit 33 are simultaneously
It connects and forms sequential circuit with the normally closed point 2 632 of third relay afterwards, and be parallel to shutdown control circuit 34, enable the pump housing 11
At the uniform velocity crawl, starting, stopping, and transducer control circuit 3 is also used to adjust output voltage, so as to adjust the defeated of frequency converter 12
Frequency out, and then control the starting speed, the speed of service and stopping speed of the pump housing 11 connecting with frequency converter 12.Point operation control electricity
Road 32 includes the point driving switch 71 and the first relay 61 of concatenation, and starting control circuit 33 includes that concatenation starts switch 72 and the
Two relays 62 start switch 72 both ends and are connected to the opened point 2 622 of the second relay, and shutdown control circuit 34 is opened by stopping
Pass 73 and third relay 63 concatenate, and relay are increased in above-mentioned control circuit, to enhance its control circuit
Output power, and then pass through switch control frequency converter 12.
As shown in figure 4, opened point one 611 and second relay of the contact switch circuit 4 including the first relay is normally opened
Point 1, the opened point 1 of first relay and the opened point 1 of the second relay simultaneously connect rear and third relay
The normally closed point 1 of device concatenates.Because being to disconnect when the opened point no power of relay, after energization, two contacts are just closed；
It is closure when its normally closed no power, after energization, two contacts are just disconnected, so transducer control circuit 3 passes through contact switch
Circuit 4 can control the start and stop of frequency converter 12.
Working principle: the flank pressure of injecting unit 2 is monitored by pressure inductor 13, and the real-time pressure of generation is detected
Data are transferred to transducer control circuit 3, according to setting value, point driving switch 71 are closed when needing crawl, then the first relay
The opened point 1 of device is attracted, so that contact switch circuit 4 is closed, frequency converter 12 slowly at the uniform velocity starts, i.e., the pump housing 11 delays therewith
Slowly crawl starting at the uniform velocity；When needing to start, closure starts switch 72, and the opened point 1 of the second relay is attracted, thus
Contact switch circuit 4 is closed, and frequency converter 12 starts, and gradually equably increases output frequency, and the beginning of the pump housing 11 equably improves
Injection volume；Shutdown switch 73 is closed when needing to stop, the normally closed point 1 of third relay disconnects, and the second relay 62 loses
Electrically disconnected, the opened point 1 of the second relay disconnects, so that contact switch circuit 4 disconnects, then the pump housing 11 starts according to setting
Fixed deceleration time equably reduces frequency to shutdown.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (1)
1. a kind of oncology micro-injection pump, including micro syringe host (1), injecting unit (2) and pressure inductor
(13), it is characterised in that: the injecting unit (2) connect with the micro syringe host (1), is used for liquid medicine injection；
The pressure inductor (13) is set on the injecting unit (2) and electrically connects with the micro syringe host (1)
It connects, for incuding the flank pressure of injecting unit (2), pressure detection data being sent to the micro syringe host (1)；
The micro syringe host (1) controls stream according to the real-time pressure detection data that the pressure inductor (13) transmits
Amount；
The micro syringe host (1) includes the pump housing (11) being connected with the injecting unit (2), the confession of the pump housing (11)
It is connected on circuit frequency converter (12), the frequency converter (12) and pressure inductor (13) are electrically connected, the frequency converter
(12) transducer control circuit (3) and contact switch circuit (4) are equipped in, the transducer control circuit (3) is opened by contact
Powered-down road (4) controls starting and stopping for frequency converter (12)；
The transducer control circuit (3) includes voltage input end (31), point operation control circuit (32), starting control circuit
(33), the normally closed point two (632) of shutdown control circuit (34) and third relay, the point operation control circuit (32) and starting
Control circuit (33) simultaneously connects and forms sequential circuit with the normally closed point two (632) of third relay afterwards, and is parallel to shutdowns and controls
Circuit (34) processed；
The point operation control circuit (32) includes the point driving switch (71) and the first relay (61) of concatenation；
Starting control circuit (33) includes that concatenation starts switch (72) and the second relay (62), described to start switch
(72) both ends and it is connected to the opened point two (622) of the second relay；
The shutdown control circuit (34) is concatenated by shutdown switch (73) and third relay (63)；
The contact switch circuit (4) includes the opened point one (611) of the first relay and the opened point one of the second relay
(621), the opened point one (611) of first relay and the opened point one (621) of the second relay and after connecing and third after
The normally closed point one (631) of electric appliance concatenates；
Switching switch (5) is additionally provided between the frequency converter (12) and the pump housing (11), the frequency converter (12) and switching are opened
It closes (5) to connect to power supply respectively, and is equipped with transformation voltage-stablizer (8) between power supply and frequency converter (12)；
Switching switch (5) includes normally closed key (51), shift key (52) and normally opened key (53), normally closed key (51) and frequency converter
(12) output end connection, shift key (52) are connect with the pump housing (11), and normally opened key (53) connects to power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815177.7U CN209361513U (en) | 2018-11-06 | 2018-11-06 | A kind of oncology micro-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815177.7U CN209361513U (en) | 2018-11-06 | 2018-11-06 | A kind of oncology micro-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209361513U true CN209361513U (en) | 2019-09-10 |
Family
ID=67835734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821815177.7U Active CN209361513U (en) | 2018-11-06 | 2018-11-06 | A kind of oncology micro-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209361513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741706A (en) * | 2019-10-29 | 2021-05-04 | 北京大学第三医院（北京大学第三临床医学院） | Method and device for preparing diffusion source and method for measuring physiological parameter of extracellular space of solid tissue |
| CN114558197A (en) * | 2020-11-27 | 2022-05-31 | 上海移宇科技股份有限公司 | Drive structure of drug infusion device |
-
2018
- 2018-11-06 CN CN201821815177.7U patent/CN209361513U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741706A (en) * | 2019-10-29 | 2021-05-04 | 北京大学第三医院（北京大学第三临床医学院） | Method and device for preparing diffusion source and method for measuring physiological parameter of extracellular space of solid tissue |
| CN112741706B (en) * | 2019-10-29 | 2024-05-14 | 北京大学第三医院（北京大学第三临床医学院） | Method and device for preparing diffusion source and method for measuring physiological parameters of extracellular space of solid tissue |
| CN114558197A (en) * | 2020-11-27 | 2022-05-31 | 上海移宇科技股份有限公司 | Drive structure of drug infusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191028 Address after: No. 29, Xinlong lane, Changzhou, Jiangsu Province Patentee after: Changzhou second the People's Hospital Address before: 213000 No. 185, West Front Street, Changzhou, Jiangsu Patentee before: Changzhou No.1 People's Hospital |
|
| TR01 | Transfer of patent right |