CN206534941U - Syringe auto-manual operation device - Google Patents
Syringe auto-manual operation device Download PDFInfo
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- CN206534941U CN206534941U CN201621235798.9U CN201621235798U CN206534941U CN 206534941 U CN206534941 U CN 206534941U CN 201621235798 U CN201621235798 U CN 201621235798U CN 206534941 U CN206534941 U CN 206534941U
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- power transmission
- transmission shaft
- component
- syringe
- sensor
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Abstract
The utility model is related to a kind of syringe auto-manual operation device, for the piston of operating syringe, including drive component, transmission component, clutch component and controller.Drive component includes driving source and screw mandrel.Transmission component includes clip claw mechanism and rotates the power transmission shaft of connection, and the first end of power transmission shaft wears clip claw mechanism, and the second end and the screw mandrel of power transmission shaft can be connected, and clip claw mechanism is used for clamp piston.Clutch component includes spanner, clutch part and first sensor, and spanner is connected with power transmission shaft, and clutch part is connected with power transmission shaft and flexibly coordinated with screw rod transmission, and first sensor is used for the position for sensing clutch part.Controller is controlled according to the feedback signal of first sensor to driving source.Aforesaid operations device is coordinated by drive component and transmission component can realize being automatically brought into operation for piston, and by the synergy of clutch component and controller, it is manually operated intervene be automatically brought into operation during, can flexibly select the mode of operation of syringe.
Description
Technical field
The utility model is related to technical field of medical equipment, more particularly to a kind of syringe auto-manual operation device.
Background technology
In the medical field, syringe is fixed on syringe pump by fixing device before operating syringe.It is existing
Injector operations are generally manually.The mode of manually operated syringe is, after the syringe of syringe is fixed on syringe pump, hand
The piston of dynamic pushing syringe completes injection.And during operation, because various situations are possible to occur, existing note
Emitter mode of operation is single, it is impossible to adapt to Various Complex situation, it is impossible to supply the flexible selection operation mode of operator.
Utility model content
Based on this, it is necessary to which there is provided one the problem of for can not flexibly switch injector operations mode according to the actual requirements
Plant syringe auto-manual operation device.
A kind of syringe auto-manual operation device, the piston for the syringe to being fixed on the housing of syringe pump enters
Row operation, including：
Drive component, including the driving source being arranged on housing, and the screw mandrel being connected with driving source；
Transmission component, including clip claw mechanism and rotate the power transmission shaft that is connected, the first of the power transmission shaft with clip claw mechanism
End wears the clip claw mechanism, and the second end and the screw mandrel of the power transmission shaft are selectively connected, the clip claw mechanism
For clamping simultaneously piston described in push-and-pull；
Clutch component, including spanner, clutch part, the first elastic component and first sensor, the spanner and the power transmission shaft
First end connection, the clutch part be connected with the second end of the power transmission shaft and by the first elastic component flexibly with screw mandrel biography
Dynamic to coordinate, the first sensor is used to sense position of the clutch part with respect to screw mandrel, wherein by operating spanner to overcome
The elastic force that first elastic component is produced rotates the power transmission shaft with opposing fingers mechanism, the clutch part is departed from the screw mandrel；
And
Controller, is controlled according to the feedback signal of first sensor to driving source.
In one of the embodiments, the drive component also includes gear train, and the output shaft of the driving source passes through tooth
Wheel group outputs power to screw mandrel.
In one of the embodiments, the housing is provided with two fixed plates, and the driving source is fixed therein one
In fixed plate, one end of the screw mandrel wears one of fixed plate and is connected with driving source, and the other end of the screw mandrel is rotated
It is arranged in another fixed plate.
In one of the embodiments, the transmission component also includes the support being connected with the clip claw mechanism, the biography
Second end of moving axis is rotatably arranged on the support, and the screw mandrel wears the support, the two ends of first elastic component
It is connected respectively with the support and clutch part so that clutch part flexibly to be coordinated with screw rod transmission, the first sensor is arranged on
On the support.
In one of the embodiments, the transmission component also includes being arranged power transmission shaft and the sleeve being connected with support.
In one of the embodiments, the transmission component also includes second sensor, and the second sensor is used to feel
The position of the power transmission shaft is answered, the controller is controlled always according to the feedback signal of second sensor to driving source.
In one of the embodiments, the clip claw mechanism includes pedestal, clamping jaw, the second elastic component and force piece, described
The first end of power transmission shaft wears the pedestal, the elasticity that the clamping jaw is rotatably arranged on pedestal and provided by the second elastic component
Power is used to clamp the piston, and the force piece, which is arranged in pedestal, to be used to drive clamping jaw.
In one of the embodiments, the clip claw mechanism also includes pushing block and moving block, the pushing block and the power
Part is connected, and is connected between the moving block and the clamping jaw by rotating shaft, and the pushing block is used to promote the moving block to turn
Dynamic, second elastic component is connected between moving block and pedestal.
In one of the embodiments, also set up on the power transmission shaft in handsetting gear, the rotating shaft and also set up driven tooth
Wheel, the handsetting gear coordinates with driven gear.
In one of the embodiments, the clip claw mechanism also includes sensing button and 3rd sensor, and the sensing is pressed
Button is movably arranged on the side towards piston of pedestal, and the 3rd sensor is used for induction piston with passing with sensing button connects
Feel the contact condition of button, the controller is controlled according to the feedback signal of 3rd sensor to the force piece.
Said syringe auto-manual operation device in drive component by setting drive component, transmission component, clutch
Component and controller, drive component and transmission component, which coordinate, can realize being automatically brought into operation for piston, and pass through clutch component and control
The synergy of device processed, it is manually operated intervene be automatically brought into operation during and will not to the drive component that be automatically brought into operation of realization and
Transmission component is adversely affected.Thus the person of being convenient to operation flexibly selects the mode of operation of syringe.
Brief description of the drawings
Fig. 1 is arranged on the housing of syringe pump for the syringe auto-manual operation device that the embodiment of the utility model one is provided
On the structural representation that is operated to a syringe；
Fig. 2 is the diagrammatic cross-section of the line A-A along along Fig. 1；
Fig. 3 is the diagrammatic cross-section of the line B-B along along Fig. 1.
Embodiment
As depicted in figs. 1 and 2, a kind of syringe auto-manual operation device that the utility model is provided, for fixation
The piston 14 of syringe 12 on the housing 10 of syringe pump is operated.The progress push-and-pull of piston 14 to syringe 12 operates it
Before, the syringe 13 of syringe 12 is fixed on the housing 10 by fixing device 20, and now syringe 13 can not be moved relative to housing 10,
Active force is applied to piston 14 by syringe auto-manual operation device, piston 14 can be achieved and is slided with respect to syringe 13.
The utility model provide a kind of syringe auto-manual operation device include drive component 31, transmission component 32,
Clutch component 40 and controller (not shown).Wherein drive component 31 and transmission component 32 coordinate the automatic behaviour for realizing piston 14
Make, and by the synergy of clutch component 40 and controller, it is manually operated intervene be automatically brought into operation during and will not be right
Realize that the drive component 31 being automatically brought into operation and transmission component 32 are adversely affected.
The drive component 31 includes setting driving source 310 on the housing 10, and be connected with driving source 310
Screw mandrel 314.
The transmission component 32 includes clip claw mechanism 33 and rotates the power transmission shaft 34 being connected with clip claw mechanism 33, described to pass
The first end of moving axis 34 wears the clip claw mechanism 33, and the second end of the power transmission shaft 34 is selectively passed with the screw mandrel 314
Dynamic connection, the clip claw mechanism 33 is used to clamp and piston 14 described in push-and-pull.The clutch component 40 includes spanner 41, clutch part
42nd, the first elastic component 43 and first sensor (not shown).The spanner 41 is connected with the first end of the power transmission shaft 34, is passed through
Spanner 41 is operated, the opposing fingers mechanism 33 of power transmission shaft 34 can be driven to rotate.The clutch part 42 and the second of the power transmission shaft 34
End connection is simultaneously flexibly driven cooperation by the first elastic component 43 with screw mandrel 314.When operation spanner 41 makes the relative folder of power transmission shaft 34
When pawl mechanism 33 is rotated, the elastic force that the first elastic component 43 can be overcome to produce makes clutch part 42 also follow power transmission shaft 34 to rotate together,
And can depart from screw mandrel 314.
The first sensor is used to sense position of the clutch part 42 with respect to screw mandrel 314.First sensor can be
Position sensor or displacement transducer, when the relative screw mandrel 314 of clutch part 42 is in ad-hoc location or generation particular displacement, the
One sensor can produce induced signal and signal is fed back into controller.The controller is according to the feedback letter of first sensor
Number driving source 310 is controlled.
When aforesaid operations device is automatically brought into operation to the execution of piston 14, controller receives instruction control driving source 310 and carried out just
Turn or invert, because power transmission shaft 34 is connected by clutch part 42 with screw mandrel 314, thus the rotation energy band for passing through screw mandrel 314
The movement of power transmission shaft 34 is moved, and then the clip claw mechanism 33 being connected with power transmission shaft 34 can be slided with piston 14 with respect to syringe 13.Control
It can be the instruction inputted by operator in the operation display system of syringe pump that what device processed was received, which is automatically brought into operation instruction,.
During above-mentioned be automatically brought into operation, if desired manually operated intervention, operator can directly pull spanner 41, make biography
Moving axis 34 and the opposing fingers mechanism 33 of clutch part 42 being connected with power transmission shaft 34 are rotated, and the bullet for overcoming the first elastic component 43 to produce
Power is so that clutch part 42 departs from the screw mandrel 314.Because first sensor can sense position of the clutch part 42 with respect to screw mandrel 314
Put, after sensing that clutch part 42 departs from screw mandrel 314, then provide and feed back signal to controller accordingly.Controller receives anti-
Driving source 310 is controlled to stop operating after feedback signal.Hereafter operator can Manual push-pull clip claw mechanism 33 to be grasped to piston 14
Make.After manually operated intervention, drive component 31 is separated with transmission component 32 so that it is manually operated will not be to drive component 31
Adversely affected with transmission component 32.
The driving source 310 can be motor.In certain embodiments, the output shaft 313 of the driving source 310 can be straight
Drive lead screw 314 is connect to rotate.In the present embodiment, the drive component 31 also include gear train 312, the driving source 310 it is defeated
Shaft 313 outputs power to screw mandrel 314 by gear train 312.It can be regulated the speed and compared by gear train 312, improve output
Effect.Gear train 312 can also include three or more gears comprising two gears.
The housing 10 is fixed therein in a fixed plate 11 provided with two fixed plates 11, the driving source 310, institute
The one end for stating screw mandrel 314 wears one of fixed plate 11 and is connected with driving source 310, and the other end of the screw mandrel 314 is rotated
It is arranged in another fixed plate 11.In certain embodiments, in order to realize more preferable transmission stability, power transmission shaft 34 can also be made
Also one of fixed plate 11 is worn, fixed plate 11 can play guiding or supporting role.In some other embodiments, Ke Yi
Other individually guiding or supporting mechanism is set to be oriented to or support power transmission shaft 34 on housing 10.
In certain embodiments, the transmission component 32 also includes the support 35 being connected with the clip claw mechanism 33, described
Second end of power transmission shaft 34 is rotatably arranged on the support 35, and the screw mandrel 314 wears the support 35, first bullet
The two ends of property part 43 are connected with the support 35 and clutch part 42 respectively is matched somebody with somebody so that clutch part 42 is flexibly driven with screw mandrel 314
Close, the first sensor is arranged on the support 35.In the transmission process of transmission component 32, support 35 follows power transmission shaft 34 1
Rise and moved relative to housing 10.The elastic force that first elastic component 43 is provided can make the clutch part on power transmission shaft 34 and power transmission shaft 34
42 coordinate with the formation transmission of screw mandrel 314, and under the influence of not by manual hand manipulation, clutch part 42 is driven with screw mandrel 314 all the time
Coordinate, the drive connection between drive component 31 and transmission component 32 is ensured, so that the operation device can be realized to piston 14
It is automatically brought into operation.
First elastic component 43 can be column spring.One end of column spring is fixed on support 35, and the other end is fixed on
On clutch part 42.The pulling force that spring is produced can be such that clutch part 42 is rotated towards the direction of screw mandrel 314 and then ensure both transmissions
Coordinate.
In some embodiments, the transmission component 32 also includes being arranged power transmission shaft 34 and the sleeve 36 being connected with support 35.
The sleeve 36 can be used for protecting power transmission shaft 34.Sleeve 36 can be also connected with the formation of clip claw mechanism 33, improve transmission component 32
Bulk strength.
In some embodiments, the transmission component 32 also includes second sensor 37, and the second sensor 37 is used to feel
The position of the power transmission shaft 34 is answered, the controller is controlled always according to the feedback signal of second sensor 37 to driving source 310
System.The second sensor 37 can be arranged on support 35, and can also being arranged on power transmission shaft 34 or the grade of sleeve 36, other are suitable
Position.Second sensor 37 can be displacement transducer, and induced signal can be produced simultaneously after occurring particular displacement amount to power transmission shaft 34
Signal is fed back into controller.For example during being automatically brought into operation, power transmission shaft 34 can push-and-pull clamping jaw mechanism 33 make clip claw mechanism 33
In two extreme positions, second sensor 37 senses power transmission shaft 34 in two extreme positions, can send feedback signal
To controller, controller control driving source 310 stops operating, and prevents clip claw mechanism 33 by excessive push-and-pull, it is to avoid driving source 310 etc.
Associated component is damaged.
With reference to Fig. 2 and Fig. 3, in some embodiments, the clip claw mechanism 33 include pedestal 330, two clamping jaws 331,
Second elastic component 332 and force piece 333.
The first end of the power transmission shaft 34 wears the pedestal 330, passes the first end of the power transmission shaft 34 after pedestal 330
It is connected with spanner 41.The clamping jaw 331 is rotatably arranged on pedestal 330.When pedestal 330 is abutted with piston 14, two clamping jaws
331 pairs of pistons 14 are gripped, thus the movement of clip claw mechanism 33 can be moved with piston 14.
Second elastic component 332, which provides elastic force, makes clamping jaw 331 clamp the piston 14.Second elastic component 332 can be post
Shape spring, one end of spring is connected with clamping jaw 331, and the other end is connected with pedestal 330, and the pulling force that spring is produced can make two clamping jaws
331 opposite rotations, piston 14 is clamped between two clamping jaws 331.
The force piece 333, which is arranged in pedestal 330, to be used to drive clamping jaw 331.Force piece 333 can be motor.Power
Part 333 can drive clamping jaw 331 to rotate to overcome the elastic force of the second elastic component 332, so that two clamping jaws 331 are dorsad rotated.
Two clamping jaws 331 form suitable space so that piston 14 puts in or takes out therebetween after opening.Pass through control
Control of the device to force piece 333, it is possible to achieve clamping jaw 331 is automatically opened up.After the syringe 13 of syringe 12 is by fixation, clamping jaw
Before the clamp piston 14 of mechanism 33, clamping jaw 331 is driven in open mode by force piece 333.
In certain embodiments, the clip claw mechanism 33 also includes pushing block 335 and moving block 336.The pushing block 335 and institute
Force piece 333 is stated to be connected.Screw mandrel can be for example set on the output shaft of force piece 333, and the pushing block 335 is passed with screw mandrel
It is dynamic to coordinate, thus force piece 333 can move pushing block 335.
The moving block 336 and rotating shaft 337 are connected with the clamping jaw 331, and moving block 336 is in the movement of pushing block 335
On path.In orientation as shown in Figure 3, when the pushing block 335 is driven by force piece 333 supports moving block 336 from left to right,
The moving block 336 can be made to rotate, so that two clamping jaws 331 are dorsad rotated, clamping jaw 331 is opened.
Second elastic component 332 is connected between moving block 336 and pedestal 330.For example, can again be set in pedestal 330
A connecting plate is put, one end of the second elastic component 332 is connected with the connecting plate, and the other end is connected with moving block 336, the drawing of generation
Power produces clamping jaw 331 to rotate so as to clamping piston 14 in opposite directions.In orientation as shown in Figure 3, when force piece 333 drives pushing block
335 at leftmost position, and pushing block 335 is not supported with moving block 336, and two clamping jaws 331 are produced by the second elastic component 332
Pulling force and be maintained at clamped condition.
In certain embodiments, the clip claw mechanism 33 also includes sensing button 338 and 3rd sensor 339.It is described to pass
Sense button 338 is movably arranged on the side towards piston 14 of pedestal 330, and the 3rd sensor 339 connects with sensing button 338
Connect the contact condition for induction piston 14 and sensing button 338.Before usual syringe 12 is fixed, clip claw mechanism 33, which is located at, to be drawn
The extreme position gone out, can be mounted so as to the syringe 12 of various models.After the syringe 13 of syringe 12 is by fixation, clamping jaw machine
Before the clamp piston 14 of structure 33, clamping jaw 331 is driven in open mode by force piece 333.Subsequent clip claw mechanism 33 can be by driving
Component 31 drives towards piston 14 and moved.When the pedestal 330 of clip claw mechanism 33 supports piston 14, piston 14 can make sensing button
338 towards the direction motion in pedestal 330, and then is sensed by 3rd sensor 339.3rd sensor 339 is anti-by induced signal
Controller is fed to, the controller is controlled to the force piece 333 according to the feedback signal of 3rd sensor 339, made
The return from right to left of pushing block 335 is cancelled pushing block 335 to after the supporting of moving block 336, clamping jaw 331 is by the second bullet by power part 333
The elastic force of property part 332 clamps piston 14.
In certain embodiments, handsetting gear 341 is also set up on the power transmission shaft 34.In the rotating shaft 337 of clamping jaw 331 also
The driven gear 334 coordinated with handsetting gear 341 is set.When driving the rotation of power transmission shaft 34 by operating spanner 41, handsetting gear
341 can drive driven gear 334 and then drive moving block 336 to rotate, and the clamping jaw 331 is opened.
Described operation device had been automatically brought into operation Cheng Qian, and ejection moving block 336 makes clamping jaw 331 to pushing block 335 from left to right
In open mode.Described operation device during being automatically brought into operation, pushing block 335 be maintained at from right to left return position not with
Moving block 336 is supported, and clamping jaw 331 clamps piston 14 by the elastic force of the second elastic component 332.Described operation device is certainly
In dynamic operating process during manually operated intervention, spanner 41 drives the direction that moving block 336 is rotated with being automatically brought into operation Cheng Qian's pushing block
335 support the direction of the rotation of moving block 336 unanimously, and the rotation of moving block 336 will not produce interference with pushing block 335.Therefore hand is worked as
On being automatically brought into operation without any interference and influence during dynamic interventional procedure.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of syringe auto-manual operation device, the piston for the syringe to being fixed on the housing of syringe pump is carried out
Operation, it is characterised in that including：
Drive component, including the driving source being arranged on housing, and the screw mandrel being connected with driving source；
Transmission component, including clip claw mechanism and the power transmission shaft that is connected is rotated with clip claw mechanism, the first end of the power transmission shaft is worn
If the clip claw mechanism, the second end and the screw mandrel of the power transmission shaft are selectively connected, and the clip claw mechanism is used for
Clamp and piston described in push-and-pull；
Clutch component, including spanner, clutch part, the first elastic component and first sensor, the of the spanner and the power transmission shaft
One end is connected, and the clutch part is connected with the second end of the power transmission shaft and flexibly matched somebody with somebody by the first elastic component with screw rod transmission
Close, the first sensor is used to sense position of the clutch part with respect to screw mandrel, wherein by operating spanner to overcome first
The elastic force that elastic component is produced rotates the power transmission shaft with opposing fingers mechanism, the clutch part is departed from the screw mandrel；And
Controller, is controlled according to the feedback signal of first sensor to driving source.
2. syringe auto-manual operation device according to claim 1, it is characterised in that the drive component also includes
Gear train, the output shaft of the driving source outputs power to screw mandrel by gear train.
3. syringe auto-manual operation device according to claim 1, it is characterised in that the housing is provided with two
Fixed plate, the driving source is fixed therein in a fixed plate, one end of the screw mandrel wear one of fixed plate and with
Driving source is connected, and the other end of the screw mandrel is rotatably arranged in another fixed plate.
4. syringe auto-manual operation device according to claim 1, it is characterised in that the transmission component also includes
The support being connected with the clip claw mechanism, the second end of the power transmission shaft is rotatably arranged on the support, and the screw mandrel is worn
If the support, the two ends of first elastic component be connected respectively with the support and clutch part with by clutch part flexibly with silk
Bar transmission coordinates, and the first sensor is set on the bracket.
5. syringe auto-manual operation device according to claim 4, it is characterised in that the transmission component also includes
It is arranged power transmission shaft and the sleeve being connected with support.
6. syringe auto-manual operation device according to claim 4, it is characterised in that the transmission component also includes
Second sensor, the second sensor is used for the position for sensing the power transmission shaft, and the controller is always according to second sensor
Feedback signal driving source is controlled.
7. syringe auto-manual operation device according to claim 1, it is characterised in that the clip claw mechanism includes seat
Body, clamping jaw, the second elastic component and force piece, the first end of the power transmission shaft wear the pedestal, and the clamping jaw is rotatably arranged on
The elastic force provided on pedestal and by the second elastic component is used to clamp the piston, and the force piece, which is arranged in pedestal, to be used for
Drive clamping jaw.
8. syringe auto-manual operation device according to claim 7, it is characterised in that the clip claw mechanism also includes
Pushing block and moving block, the pushing block are connected with the force piece, are connected between the moving block and the clamping jaw by rotating shaft
Connect, the pushing block is used to promote the moving block to rotate, and second elastic component is connected between moving block and pedestal.
9. syringe auto-manual operation device according to claim 8, it is characterised in that also set up on the power transmission shaft
Driven gear is also set up in handsetting gear, the rotating shaft, the handsetting gear coordinates with driven gear.
10. syringe auto-manual operation device according to claim 7, it is characterised in that the clip claw mechanism is also wrapped
Sensing button and 3rd sensor are included, the sensing button activity is arranged on the side towards piston of pedestal, and the described 3rd passes
Sensor is used for the contact condition of induction piston and sensing button with sensing button connects, and the controller is according to 3rd sensor
Feedback signal is controlled to the force piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621235798.9U CN206534941U (en) | 2016-11-17 | 2016-11-17 | Syringe auto-manual operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621235798.9U CN206534941U (en) | 2016-11-17 | 2016-11-17 | Syringe auto-manual operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206534941U true CN206534941U (en) | 2017-10-03 |
Family
ID=59936978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621235798.9U Active CN206534941U (en) | 2016-11-17 | 2016-11-17 | Syringe auto-manual operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206534941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758374A (en) * | 2020-12-31 | 2021-05-07 | 杭州堃博生物科技有限公司 | Trigger type clutch mechanism and filling equipment |
| CN113730729A (en) * | 2021-09-13 | 2021-12-03 | 深圳瑞宇医疗科技有限公司 | Manual and electric integrated insulin injection pen and injection method thereof |
-
2016
- 2016-11-17 CN CN201621235798.9U patent/CN206534941U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758374A (en) * | 2020-12-31 | 2021-05-07 | 杭州堃博生物科技有限公司 | Trigger type clutch mechanism and filling equipment |
| CN113730729A (en) * | 2021-09-13 | 2021-12-03 | 深圳瑞宇医疗科技有限公司 | Manual and electric integrated insulin injection pen and injection method thereof |
| CN113730729B (en) * | 2021-09-13 | 2023-08-18 | 郑州瑞宇科技有限公司 | Manual and electric integrated insulin injection pen and injection method thereof |
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