CN110124156A - A kind of easing pain of electron drug administration device - Google Patents
A kind of easing pain of electron drug administration device Download PDFInfo
- Publication number
- CN110124156A CN110124156A CN201910500217.1A CN201910500217A CN110124156A CN 110124156 A CN110124156 A CN 110124156A CN 201910500217 A CN201910500217 A CN 201910500217A CN 110124156 A CN110124156 A CN 110124156A
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- China
- Prior art keywords
- electron
- drug administration
- administration device
- easing pain
- motor
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Classifications
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- 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
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31533—Dosing mechanisms, i.e. setting a dose
- A61M5/31545—Setting modes for dosing
- A61M5/31546—Electrically operated dose setting, e.g. input via touch screen or plus/minus buttons
Abstract
The invention discloses a kind of easing pain of electron drug administration devices, the device includes for reinjecting the infusion apparatus of human body, control infusion apparatus sucking medicine or the electric control gear of liquid medicine injection after drawing medicine from analgesia medicine box, the infusion apparatus is piston syringe, it include that liquid in-out mouth, injection cylinder body and inner end are placed in the intracorporal piston of the cylinder, the outer end of piston is connect with the electric control gear, electric control gear includes: electric sliding injection, the motor transmission mechanism of aspiration medicinal liquid, and control its electronic controller.The present invention, which is realized, enters being precisely controlled to patient's body to being pumped into syringe pusher from the antalgesic in medicine box and go out medical fluid.
Description
Technical field
The present invention relates to medical apparatus technical field more particularly to a kind of easing pain of electron drug administration devices.
Background technique
Patient Controlled Analgesia (patient controlled analgesia, PCA) is the important side of current individualization analgesia
Formula, electronic analgesia pump are to realize individuation analgesic main tool.Domestic love friend electronic analgesia pump and people elder generation electronics at present
Analgesia pump has captured most of market.When medical staff uses electronic pump, analgesic is configured by doctor or nurse first and is used as medicine
Object module, due to being currently single medicine box, some drugs cannot be used in mixed way because there are incompatibility, this is currently used
One of limitation of analgesia pump.Then, the first dosage (list that setting is given for the first time is set at electronic driver (control panel)
Secondary dosage), background dose (1 hour continuous infusion dosage), PCA dosage (once presses the dosage given), locking time (in order to
Safety needs the interval time between 2 PCA pressings of control), limiting quantity (initial dose+background dose+PCA agent in 1 hour
Amount).When patient uses electronic pump, when they are in feels pain, it can make to be set in advance by anesthetist by pressing PCA button
The PCA dose drug set is relatively rapid to be infused into vivo, realizes automatic control administration analgesia.However consider opioid analgesic drug
Adverse reaction and side effect, setting dosage should not be too large, and since time restriction and safe dose limit, administration number of times is unsuitable
Excessively, there are these limitations not really analgesias on demand.
On electronics pump operation, be all at present using mechanical extruding type, drug according to setting parameter within a certain period of time
Be extruded into in-service pipeline and enter patient, there are 3 drawbacks for this: 1. when drug template is separated with electric drive module, if machine
Device does not alarm or is not found and handled in time by medical staff, and drug quickly will inject patient's body without limitation in medicine box, deposits
In very big security risk.2. precision is administered to be difficult to control, that is, the dosage set directly exists with actual motion dosage
Uncontrollable error.3. will occur blood backflow when connecting patient end vein pressure greater than pipeline pressure and pollute medicine box, lead
Cause the wasting of resources.
In conclusion realizing on-demand analgesia truly, it is necessary to grind to reach safety and purpose accurately is administered
Send out novel electron analgesia pump a.
Summary of the invention
The present invention provides a kind of easing pain of electron drug administration device, realizes and is pumped into syringe to injection antalgesic and releases dosage
Be precisely controlled.
The invention adopts the following technical scheme:
A kind of easing pain of electron drug administration device, including infusion apparatus, the control for reinjecting human body after drawing medicine from analgesia medicine box
The electric control gear of infusion apparatus sucking medicine or liquid medicine injection processed, which is characterized in that the infusion apparatus is piston syringe, including
Liquid in-out mouth, injection cylinder body and inner end are placed in the intracorporal piston of the cylinder, and the outer end of piston is connect with the electric control gear, automatically controlled dress
It sets the motor transmission mechanism including electric sliding injection or aspiration medicinal liquid and controls its electronic controller.
Beneficial effect
The present invention accurately controls motor transmission mechanism by electronic controller, coupled piston to the external pull of injector cylinder,
Due to the effect of negative pressure of vacuum in injector cylinder body, antalgesic is pumped into from analgesia medicine box by the liquid in-out mouth of syringe
Agent, electronic controller controls motor transmission mechanism coupled piston and is pushed into syringe cylinder interior, by the intracorporal Pain relief agents of cylinder
Into the human body by the injection of syringe liquid in-out mouth.Since electronic controller controls accurate motor transmission mechanism, and then to suction
The amount for entering and releasing liquid medicine injection is precisely controlled.Electronic controller can be preset and push away dose, push away dose according to this and automatically control note
The liquid dose of human body is penetrated, to ensure personal safety.In addition the present invention uses three-way magnetic valve or a distributing T-pipe and two
Two kinds of connection types connection medicine box, syringe and the injection needle of a two-way electrically-controlled valve, close the liquid outlet of medicine box when pushing away medicine, from
And it prevents blood backflow and pollutes medicine box.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of one of the structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 2 provides.
Fig. 3 is a kind of second structural representation for easing pain of electron drug administration device that the embodiment of the present invention 2 provides；
Fig. 4 is a kind of structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 3 provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
It is a kind of structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 1 provides referring to Fig. 1.The device
Including the electricity for reinjecting the infusion apparatus of human body after drawing medicine from analgesia medicine box, controlling infusion apparatus sucking medicine or liquid medicine injection
Control device, connecting tube and syringe needle.Infusion apparatus is piston syringe 100, including liquid in-out mouth 101, injection cylinder body 102 and inner end
It is placed in the intracorporal piston 103 of the cylinder, the outer end of piston 103 is connect with the electric control gear, and electric control gear includes electric sliding
The motor transmission mechanism 200 of injection or aspiration medicinal liquid and control its electronic controller 300.The connecting tube connects liquid in-out mouth
101 and syringe needle 400.
In the present embodiment, by the accurate control motor transmission mechanism 200 of electronic controller 300, coupled piston 103 is to injection
The outer pull of device cylinder body 102 passes through the town liquid in-out Kou101Cong of syringe due to the effect of negative pressure of vacuum in syringe cylinder body 102
Pain relief agents are pumped into pain medicine box, electronic controller 300 controls 200 coupled piston 103 of motor transmission mechanism to injector cylinder
It is pushed into inside body 102, the intracorporal Pain relief agents of cylinder is injected into people by syringe liquid in-out mouth 101, connecting tube, syringe needle 400
In vivo.Since electronic controller 300 is accurately controlled motor transmission mechanism 200, and then antalgesic is injected to being pumped into and releasing
The amount of agent is precisely controlled.
It referring to fig. 2, is a kind of one of the structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 2 provides.This
Embodiment 2 is based on embodiment 1, the difference is that:
Infusion apparatus and the electric control gear described in two groups of easing pain of electron drug administration device setting, are controlled by the same electronic control
Device 300.Electronic controller 300 is the cyclelog constituted using embedded computer as core, the embedded computer sheet
It is single-chip microprocessor MCU in embodiment.Medicine box E, G that syringe 100 ', 100 " described in described two groups respectively connects, two medicine boxs E, G
Holding three kinds of modes of medicament are as follows: one of medicine box holds opiates medicine band another medicine box and holds non-opium medicine band, and two
There are incompatibility for kind medicine band；One of medicine box holds the mixing medicine containing opiates medicine and non-opium medicine；One of them
Medicine box, which is held, only contains opiates medicine.
In the present embodiment, motor transmission mechanism includes motor, and motor is DC brushless motor, brush direct current motor,
One kind of stepper motor or servo motor.It is connected with screw rod 201 ', 201 " on the output shaft of motor A, K, screw rod 201 ',
The drive block 202 ', 202 " with internal thread is socketed on 201 ", drive block 202 ', 202 " is externally provided with along 201 ', 201 " axis of screw rod
The guiding device 203 ', 203 " of line direction setting, drive block 202 ', 202 " are fixedly connected with the outer end of piston 103 ', 103 ", make
Drive block 202 ', 202 " can forward and reverse movement on screw rod axis direction, thus with piston 103 ', 103 " cylinder body 102 ',
It is inwardly forced through liquid in-out mouth 101 ', 101 " in 102 " and squeezes out medical fluid, or pull is inhaled by liquid in-out mouth 101 ', 101 " outward
Taking liquid.Limit switches K1, K2 is arranged in 202 ', 202 " outer screw rod axis direction of drive block, which can be with are as follows: suddenly
That sensor, Switch, optocoupler or slot optical coupling class, limit switch K1, K2 are connected with the input interface of single-chip microprocessor MCU, are used for
Control the stroke of piston push-and-pull.
When no matter motor is DC brushless motor, when brushed DC motor, stepper motor, on motor output shaft point
As soon as not being arranged or securing the K50 ' K50 " module that an energy follows motor output shaft to rotate synchronously together, this module every revolution
It can respectively drive, trigger one or many slot optical coupling sensor K5 ' K5 " in the setting of motor output next to axis, pass through module
K50 ' K50 " rotation exports the circle that pulse is counted as motor output shaft rotation by the slot optical coupling sensor K5 ' K5 " respectively
Number, for unilateral, it is solid that motor output shaft per revolution, which drives drive block 201 ' to release or be pumped into the amount V1 of medicament,
Fixed.In use, first by the default set amount V for pushing away pharmaceutical quantities of electronic controller 300, set amount V can key freely set
It sets.Secondly pharmaceutical quantities Z when electronic controller 300 obtains medicine box full capacity medical fluidAlways, motor output shaft rotation turns around and pushes away to piston
Enter or the dosage V1 of aspiration medicinal liquid and has currently pushed away the circle number Q that medicine motor output shaft turnsI is pushed away, that is motor output shaft
Per revolution, feeds back to how much the current motor output shaft actual rotation of electronic controller 300 encloses, i.e. QI is pushed awayIt is a variable, electricity
Sub-controller 300, which calculates, currently releases injection cylinder body 102 ', medical fluid accumulated dose ZI is pushed away=V1*QI is pushed away, and then go out to calculate and work as prodrug
The surplus Z of box medical fluidI is surplus=ZAlways-ZI is pushed away.The surplus Z of the continuous detection kit medical fluid of electronic controller 300I is surplusWhether it is more than or equal to
The set amount V of pharmaceutical quantities is pushed away, if so, 300 drive control motor output shaft of electronic controller executes forward or reverse pushes away medicine step
Suddenly, it otherwise executes and takes out medicine step.
One of the mode that syringe liquid in-out mouth is connect with medicine box, injection needle respectively are as follows:
The liquid in-out mouth 101 ', 101 " of syringe and the total mouth 501 ' of the liquid in-out of a threeway electrically-controlled valve 500 ', 500 ",
501 " are connected, the controlled branch mouth of two of threeway electrically-controlled valve be respectively its feed liquor branch mouth 502 ', 502 " and drain branch mouth 503 ',
503 ", feed liquor branch mouth 502 ', 502 " is through connecting tube connection and medicine box E, and drain branch mouth 503 ', 503 " is through connecting tube and injection needle
400 are connected.Threeway electrically-controlled valve 500 ', 500 " is three-way magnetic valve or motor control valve.Motor B and three-way magnetic valve buckle connect
It connects, for controlling the rotation of three-way magnetic valve buckle, the control terminal of motor B and the output end of single-chip microprocessor MCU are connected.Three are powered
It controls and limit switches K3, K4 is set on valve, which is Hall sensor class, and switch section or slot optical coupling class, limit are opened
It closes K3, K4 to be connected with the input interface of the single-chip microprocessor MCU, for controlling solenoid valve buckle switch rotating distance to realize threeway
The total mouth selection of solenoid valve liquid in-out is connected to feed liquor branch mouth or is connected to drain branch mouth.
In actual work, MCU single-chip microcontroller can control the speed of motor A, K revolving speed with output pwm signal, can also be straight
The rotation of control motor is connect, the I/O port output low and high level of MCU stops come the positive and negative rotation and starting for controlling motor, motor A,
The rotation of K drives the rotation of silk tooth on screw rod 201 ', 201 ", and drive block 202 ', 202 " is driven in guiding device 203 ', 203 "
Upper parallel motion drive the piston 103 ', 103 " of syringe on screw rod axis direction positive and negative movement to make piston pull out or push away
Enter syringe cylinder body 102 ', 102 ", so that syringe can take out medicine and push away medicine, limit switch is housed on drive block 202 ', 202 "
M, N guarantees the work in normal range (i.e. Hall sensor K1, K2 between the two) of the piston of syringe.
The low and high level of the I0 mouth of MCU controls motor B, the positive and negative rotation of J and halt circuit, the rotation of motor B, J
Rotation with moving gear, gear rotation drive the rotation of triple valve buckle, and the rotation of buckle changes triple valve.Buckle and threeway
Valve is fixedly connected, and buckle is equipped with limit switch C, L, guarantees triple valve in normally work rotating range (i.e. in hall sensing
Device K3, K4 are between the two).
When taking out medicine, single-chip microprocessor MCU receives the signal for taking out medicine, and output control signal control motor B, J are rotated forward, electronic
The total mouth 501 ', 501 " of liquid in-out that machine B, J drive the buckle of rotation to reach threeway electrically-controlled valve is connected to feed liquor branch mouth 502 ', 502 "
When state, limit switch C, L on buckle 504 ', 504 " can trigger Hall sensor K3, and MCU receives the touching of Hall sensor K3
When signalling, stop motor B, J rotation, starting motor A, K are rotated forward, and syringe takes out medicine when motor A, K are rotated forward, and pumps full medicine
When parallel motion drive block 202 ', 202 " on limit switch M, N trigger Hall sensor K2, single-chip microprocessor MCU receives Hall
The trigger signal of sensor K2, stop motor A, K rotation, at this moment restart motor B, J reversion, make threeway electrically-controlled valve into
The total mouth 501 ', 501 " of liquid is connected to drain branch mouth 503 ', 503 " out, and when reaching connected state, three-way magnetic valve buckles upper limit
Switch C, L can trigger Hall sensor K4, and when single-chip microcontroller receives the trigger signal of Hall sensor K4, output signal stops electronic
Machine B, J rotation are taken out medicine and are completed.
When pushing away medicine, single-chip microprocessor MCU receives the signal for pushing away medicine key, and output control signal control motor A, K are inverted,
Syringe pushes away medicine when motor A, K are inverted, and the speed and time for pushing away medicine are all strictly run from the parameter that sets, works as syringe
When having pushed away medicine, 202 ', 202 " upper limit switch M, N of drive block triggers Hall sensor K1, and single-chip microprocessor MCU receives Hall sensor
The trigger signal of K1, output control signal stop motor A, K rotation, at this moment start motor B, J and rotate forward, motor B, J band
The total mouth 501 ', 501 " of liquid in-out and 502 ', 502 " connected state of feed liquor branch mouth that dynamic swivel tee valve buckle reaches three-way magnetic valve
When state, limit switch C, L that triple valve buckles on 504 ', 504 " can trigger Hall sensor K3, and single-chip microprocessor MCU receives Hall biography
When the trigger signal of sensor K3, output control signal stops motor B, J rotation, pushes away medicine completion.
It is a kind of second structural representation for easing pain of electron drug administration device that the embodiment of the present invention 2 provides referring to Fig. 3.
The two of the mode that syringe liquid in-out mouth is connect with medicine box, injection needle respectively are as follows:
Syringe liquid in-out mouth 101 ', 101 " is by a distributing T-pipe and two two-way electrically-controlled valves D1, D2 or H1, H2
One end is connected, and the other end of two two-way electrically-controlled valves D1, D2 or H1, H2 are respectively feed liquor branch mouth 602 ', 602 " and drain branch
Mouth 603 ', 603 ", feed liquor branch mouth is connected through connecting tube and medicine box, drain branch mouth are connected through connecting tube with injection needle.Single-chip microcontroller
MCU signal controls the valve on-off of two-way electrically-controlled valve D1, D2 or H1, H2, for realizing the total mouth 601 ' of distributing T-pipe liquid in-out,
601 " selections are connected to feed liquor branch mouth 602 ', 602 " or are connected to drain branch mouth.
In actual work, MCU single-chip microcontroller output pwm signal controls the speed of motor A, K revolving speed, and the I/O port of MCU is defeated
Low and high level stops out come the positive and negative rotation and starting for controlling motor, and the rotation of motor A, K drive silk on screw rod 201 ', 201 "
The rotation of tooth, drive block 202 ', 202 " are driven in the piston that parallel motion on guiding device 203 ', 203 " drives syringe
103 ', 103 " on screw rod axis direction positive and negative movement to make piston pull out or push-in syringe cylinder body 102 ', 102 " so that
Medicine can be taken out and push away medicine by obtaining syringe, and limit switch M, N are housed on drive block 202 ', 202 ", guarantee the piston of syringe normal
Work in motion range (i.e. Hall sensor K1, K2 between the two).The low and high level of the I0 mouth of MCU controls two two-ways
The on-off of electrically-controlled valve D1, D2 or H1, H2 valve.
When taking out medicine, single-chip microprocessor MCU receive take out medicine key signal, output control signal control two-way electrically-controlled valve D1,
H1 valve close, two-way electrically-controlled valve D2, H2 valve open, reach distributing T-pipe the total mouth of liquid in-out and feed liquor branch mouth 602 ',
When 602 " connected state, at this point, starting motor A, K are rotated forward, syringe takes out medicine when motor A, K are rotated forward, and pumps full parallel when medicine
Limit switch M, N on the drive block 202 ', 202 " of movement trigger Hall sensor K2, and single-chip microprocessor MCU receives Hall sensor
The trigger signal of K2 stops motor A, K rotation, and at this moment single-chip microprocessor MCU output control signal controls two-way electrically-controlled valve D1, H1 valve
Door is opened, and two-way electrically-controlled valve D2, H2 valve is closed, make the total mouth of the liquid in-out of distributing T-pipe 601 ', 601 " and drain branch mouth 603 ',
603 " connections are taken out medicine and are completed.
When pushing away medicine, single-chip microprocessor MCU receives the signal for pushing away medicine key, and output control signal control motor A, K are inverted,
Syringe pushes away medicine when motor A, K are inverted, and the speed and time for pushing away medicine are all strictly run from the parameter that sets, works as syringe
When having pushed away medicine, 202 ', 202 " upper limit switch M, N of drive block triggers Hall sensor K1, and single-chip microprocessor MCU receives Hall sensor
The trigger signal of K1, output control signal stop motor A, K rotation, and at this moment single-chip microprocessor MCU output control signal controls two-way
Electrically-controlled valve D1, H1 valve is closed, and two-way electrically-controlled valve D2, H2 valve is opened, and reaches the total mouth 601 ', 601 " of liquid in-out of distributing T-pipe
With 602 ', 602 " connected state of feed liquor branch mouth, medicine completion is pushed away.
It referring to fig. 4, is a kind of structural schematic diagram for easing pain of electron drug administration device that the embodiment of the present invention 3 provides.This implementation
Example 3 is based on embodiment 2, and difference is the embodiment of motor transmission mechanism.
The motor transmission mechanism includes motor, motor be DC brushless motor, stepper motor or servo motor it
It is a kind of.Be connected with cam link mechanism on the output shaft of motor A, K, the cam link mechanism include a disk 701 ',
701 ", the center point is fixedly connected with the output shaft of motor A, K behind disk, deviates the center point before disk and an axis body is arranged
702 ', 702 ", one end rotation of axis body 702 ', 702 " and a connecting rod 703 ', 703 " is hinged；The side of drive block 202 ', 202 "
Axis body 704 ', 704 " is set, connects 705 ', 705 " one end of connecting rod, the other end of connecting rod 705 ', 705 " on axis body 704 ', 704 "
It is hinged as power output end rotation with the other end of connecting rod 703 ', 703 ".
In actual work, it is rotated on disk 701 ', 701 " when axis body 702 ', 702 " to apart from syringe maximum distance
When, connecting rod 703 ', 703 ", 705 ', 705 " links drive block 202 ', 202 " on a linear motion guide device 203 ', 203 "
Sliding is completed to take out medicine so that piston 103 ', 103 " pulls out syringe cylinder body 102 ', 102 ".When axis body 702 ', 702 " is in disk
When rotation is to apart from syringe minimum distance on 701 ', 701 ", the linkage of connecting rod 703 ', 703 ", 705 ', 705 " drive block 202 ',
202 " slide on a linear motion guide device 203 ', 203 ", so that the push-in of piston 103 ', 103 " syringe cylinder body 102 ',
102 ", completion pushes away medicine.
Motor transmission mechanism in the present embodiment can with one group in two groups of motor transmission mechanisms in alternative embodiment 2 or
Two groups.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (25)
1. a kind of easing pain of electron drug administration device, including infusion apparatus, the control for reinjecting human body after drawing medicine from analgesia medicine box
Infusion apparatus sucks the electric control gear of medicine or liquid medicine injection, which is characterized in that and the infusion apparatus is piston syringe, including into
Liquid outlet, injection cylinder body and inner end are placed in the intracorporal piston of the cylinder, and the outer end of piston is connect with the electric control gear, electric control gear
Motor transmission mechanism including electric sliding injection or aspiration medicinal liquid and control its electronic controller.
2. easing pain of electron drug administration device according to claim 1, which is characterized in that the motor transmission mechanism includes electronic
Machine, motor are one kind of DC brushless motor, stepper motor or servo motor；It is connected with screw rod on the output shaft of motor,
The drive block with internal thread is socketed on screw rod, drive block is externally provided with the guiding device along the setting of screw rod axis direction, drive block
Be fixedly connected with the outer end of the piston, make drive block can forward and reverse movement on screw rod axis direction, to exist with piston
Extrusion or pull is pushed to draw medical fluid through liquid in-out mouth to inside and outside both direction in the cylinder body.
3. easing pain of electron drug administration device according to claim 2, which is characterized in that the drive block outer screw rod axis side
To limit sensors are provided with, limit sensors are connected with the input interface of the computer control, push away for controlling piston
The stroke of drawing.
4. easing pain of electron drug administration device according to claim 1, which is characterized in that the motor transmission mechanism includes electronic
Machine, motor are one kind of DC brushless motor, stepper motor or servo motor；Cam is connected on the output shaft of motor
Link mechanism, the power output end of connecting rod are connect with a sliding block, sliding block forward and reverse sliding on a linear motion guide device
And be fixedly connected with the outer end of the piston, to be pushed away along positive and negative both direction through liquid in-out mouth in the cylinder body with piston
Dynamic extrusion or pull draw medical fluid.
5. easing pain of electron drug administration device according to claim 4, which is characterized in that guide direction described in the sliding block outer
Limit sensors are provided with, limit sensors are connected with the input interface of the computer control, for controlling piston push-and-pull
Stroke.
6. according to claim 1 to easing pain of electron drug administration device described in any claim in 5, which is characterized in that the note
Emitter and the electric control gear are equipped with two groups.
7. easing pain of electron drug administration device according to claim 6, which is characterized in that syringe described in two groups and automatically controlled dress
It sets, is controlled by the same electronic controller.
8. easing pain of electron drug administration device according to claim 6, which is characterized in that liquid in-out mouth described in two groups is respectively with one
The total mouth of liquid in-out of a threeway electrically-controlled valve is connected, and the controlled branch mouth of two of threeway electrically-controlled valve is its feed liquor branch mouth and drain branch respectively
Mouthful.
9. easing pain of electron drug administration device according to claim 7, which is characterized in that liquid in-out mouth described in two groups is respectively with one
The total mouth of liquid in-out of a threeway electrically-controlled valve is connected, and the controlled branch mouth of two of threeway electrically-controlled valve is feed liquor branch mouth and drain branch respectively
Mouthful.
10. easing pain of electron drug administration device according to claim 6, which is characterized in that liquid in-out mouth described in two groups respectively passes through
It crosses a distributing T-pipe to be connected with one end of two two-way electrically-controlled valves, the other end of two two-way electrically-controlled valves is respectively feed liquor branch
Mouth and drain branch mouth.
11. easing pain of electron drug administration device according to claim 7, which is characterized in that liquid in-out mouth described in two groups respectively passes through
It crosses a distributing T-pipe to be connected with one end of two two-way electrically-controlled valves, the other end of two two-way electrically-controlled valves is respectively feed liquor branch
Mouth and drain branch mouth.
12. easing pain of electron drug administration device according to claim 8, which is characterized in that two groups of feed liquors branch mouth is through connecting
Pipe is connected with A medicine box and B medicine box respectively.
13. easing pain of electron drug administration device according to claim 12, which is characterized in that the drain branch mouth through connecting tube with
Injection needle is connected.
14. easing pain of electron drug administration device according to claim 9, which is characterized in that two groups of feed liquors branch mouth is through connecting
Pipe is connected with A medicine box and B medicine box respectively.
15. easing pain of electron drug administration device according to claim 14, which is characterized in that the drain branch mouth through connecting tube with
Injection needle is connected.
16. easing pain of electron drug administration device according to claim 10, which is characterized in that two groups of feed liquors branch mouth is through connecting
Pipe is connected with A medicine box and B medicine box respectively.
17. easing pain of electron drug administration device according to claim 16, which is characterized in that the drain branch mouth through connecting tube with
Injection needle is connected.
18. easing pain of electron drug administration device according to claim 11, which is characterized in that two groups of feed liquors branch mouth is through connecting
Pipe is connected with A medicine box and B medicine box respectively.
19. easing pain of electron drug administration device according to claim 18, which is characterized in that the drain branch mouth through connecting tube with
Injection needle is connected.
20. easing pain of electron drug administration device according to claim 8, which is characterized in that the threeway electrically-controlled valve is three energizations
Magnet valve or motor control valve.
21. easing pain of electron drug administration device according to claim 9, which is characterized in that threeway electrically-controlled valve described in two groups is three
Three-way electromagnetic valve or motor control valve.
22. easing pain of electron drug administration device according to claim 10, which is characterized in that the two-way electrically-controlled valve is two energizations
Magnet valve or motor control valve.
23. easing pain of electron drug administration device according to claim 11, which is characterized in that the two-way electrically-controlled valve is two energizations
Magnet valve or motor control valve.
24. easing pain of electron drug administration device described in any claim in claim 1 to 5, which is characterized in that the electronics control
Device processed is the cyclelog constituted using embedded computer as core.
25. easing pain of electron drug administration device according to claim 24, which is characterized in that the electronic controller includes one
A embedded computer.
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| CN201910500217.1A CN110124156A (en) | 2019-06-10 | 2019-06-10 | A kind of easing pain of electron drug administration device |
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| CN201910500217.1A CN110124156A (en) | 2019-06-10 | 2019-06-10 | A kind of easing pain of electron drug administration device |
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| CN201910500217.1A Pending CN110124156A (en) | 2019-06-10 | 2019-06-10 | A kind of easing pain of electron drug administration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250183A (en) * | 2020-02-17 | 2020-06-09 | 北京中科生仪科技有限公司 | Liquid injection pump driving device for micro-fluidic system |
| CN111255650A (en) * | 2020-01-16 | 2020-06-09 | 苏州英赛斯智能科技有限公司 | Double-plunger infusion pump system |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255650A (en) * | 2020-01-16 | 2020-06-09 | 苏州英赛斯智能科技有限公司 | Double-plunger infusion pump system |
| CN111250183A (en) * | 2020-02-17 | 2020-06-09 | 北京中科生仪科技有限公司 | Liquid injection pump driving device for micro-fluidic system |
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