CN208611484U - A kind of electric infusion device - Google Patents
A kind of electric infusion device Download PDFInfo
- Publication number
- CN208611484U CN208611484U CN201721350888.7U CN201721350888U CN208611484U CN 208611484 U CN208611484 U CN 208611484U CN 201721350888 U CN201721350888 U CN 201721350888U CN 208611484 U CN208611484 U CN 208611484U
- Authority
- CN
- China
- Prior art keywords
- stepper motor
- infusion
- perfusion tube
- planetary gear
- infusion device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses electric infusion devices, including infusion pump, stepper motor, controller and infusion apparatus, infusion pump includes planetary gear and flanged joint bracket, flanged joint bracket is provided with orbital groove, infusion apparatus includes perfusion tube, one end of perfusion tube is provided with transfusion needle, and wherein one section of setting of perfusion tube is in orbital groove；Controller is connected with stepper motor, and the rotation of controller control stepper motor, stepper motor squeeze the perfusion tube being arranged in orbital groove, the liquid in perfusion tube made to flow to transfusion needle direction for controlling planetary gear rotation when planetary gear rotates.The electric infusion device controls the revolving speed and stop position of stepper motor by the frequency and umber of pulse of the pulse signal of control controller input stepper motor, and then control the infusion volume and flow velocity of electronic infusion device, it can be realized the automation control of infusion, it can reduce medical staff's workload, security risk is reduced, the medical treatment satisfaction of patient is effectively improved.
Description
Technical field
The utility model relates to the field of medical instrument technology, particularly relate to a kind of novel electron infusion device.
Background technique
In medical field, often there is the case where being needed in some medical procedures using automatic infusion, it is such as minimally invasive in Bones and joints
In surgery routine diagnosis and treatment method arthrocsopic surgery, in order to keep getting a clear view for operative region, need to guarantee liquid consistently and adequately
Be poured into articular cavity, in addition, some other field, medicinal application of such as boosting, antiarrhythmic drug, infant's vein is defeated
Liquid or Intravenous Anesthesia etc., if medicine loading amount and transfusion speed are pushed away by the experience of healthcare givers completely to control, to operator's
More demanding, the mood or other factors of operator all will affect transfusion effect, virtually bring many potential wind to patient
Danger, for the control problem for solving amount of infusion and dose, it is desirable to provide a kind of to be required to carry out automatic infusion according to healthcare givers
Device.
Utility model content
In view of this, the purpose of this utility model is that propose a kind of electric infusion device, the infusion device structure
Simply, design rationally, can be realized the automation control of infusion.
Based on above-mentioned purpose, a kind of electric infusion device provided by the utility model, including infusion pump, stepping electricity
Machine, controller and infusion apparatus, the infusion pump include planetary gear and flanged joint bracket, and rail is arranged in the flanged joint bracket
Road groove, the infusion apparatus include perfusion tube, and one end of the perfusion tube is provided with transfusion needle, and wherein one section of the perfusion tube
It is arranged in the orbital groove；The controller is connected with the stepper motor, and the controller is to the stepper motor
The rotation that pulse signal controls the stepper motor is sent, the stepper motor is for controlling the planetary gear rotation, the row
The perfusion tube being arranged in the orbital groove is squeezed when star-wheel rotates, and the liquid in perfusion tube is made to flow to the transfusion needle side
To.
Utility model in one embodiment, the infusion pump further includes connecting pin, planetary carrier and connection
Key, the center of the planetary carrier and the flanged joint bracket are provided centrally with coaxially arranged circular hole, the stepping
The power output shaft of motor is coaxially matched with the centre bore of the flanged joint bracket and the center stepped hole of the planetary carrier
Close installation, the planetary gear is fixed on the planetary carrier by the connecting pin, the planetary carrier with it is described into
The power output shaft of step motor is fixedly connected, and the power transmitting of the stepper motor is given to the planetary gear branch by the connecting key
Frame, and drive the planetary carrier that the planetary gear is driven to rotate around the connecting pin.
The utility model in one embodiment, the direction of rotation of the planetary gear and be arranged in the track ditch
The flow direction of liquid is consistent in perfusion tube in slot.
The utility model in one embodiment, the infusion pump further includes attachment screw, the planetary gear branch
Frame is fixedly connected with the power output shaft of the progressive motor by the attachment screw.
The utility model in one embodiment, the number of the planetary gear is two, and two planetary gears are logical
Cross the two sides that the connecting pin is fixed on the planetary carrier, wherein one section of setting of the perfusion tube two planetary gears it
Between orbital groove in.
The utility model in one embodiment, the arteries and veins of the stepper motor is inputted by controlling the controller
Frequency and the umber of pulse of signal are rushed to control the revolving speed and stop position of the stepper motor, and then controls electronic infusion device
Infusion volume and flow velocity.
Compared with prior art, the electric infusion device of the utility model has the advantages that
The electric infusion device of the utility model inputs the frequency of the pulse signal of stepper motor by control controller
Rate and umber of pulse control the infusion volume and stream of electronic infusion device to control the revolving speed and stop position of stepper motor
Speed can be realized the automation control of infusion；The electric infusion device structure of the utility model is simple, and design is reasonable, energy
Enough mitigate medical staff's workload, reduces security risk, effectively improve the medical treatment satisfaction of patient.
Detailed description of the invention
Fig. 1 is a kind of structure chart of electric infusion device described in the utility model embodiment；
Fig. 2-1 is the structure chart of infusion pump described in the utility model embodiment；
Fig. 2-2 is the sectional view of infusion pump described in the utility model embodiment；
Fig. 3 is the working principle diagram of infusion pump described in the utility model embodiment；
Wherein, 1- infusion pump, 1A- planetary gear, 1B- flanged joint bracket, 1C- orbital groove, 1D- connecting pin, 1E- planet
Wheel support, 1F- connecting key, 1G- attachment screw, 2- stepper motor, the power output shaft of 2A- stepper motor, 3- controller, 4- are defeated
Liquid device, 4A- perfusion tube, 4B- transfusion needle.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
Fig. 1 is a kind of structure chart of electric infusion device described in the utility model embodiment, and Fig. 2-1 is that this is practical
The structure chart of infusion pump described in new embodiment；It is provided by the embodiment of the utility model a kind of new as shown in Fig. 1 and Fig. 2-1
The electronic infusion device of type, including infusion pump 1, stepper motor 2, controller 3 and infusion apparatus 4, the infusion pump 1 include planetary gear 1A
Flanged joint bracket 1B, flanged joint bracket 1B are provided with orbital groove 1C, infusion apparatus 4 includes perfusion tube 4A, perfusion tube 4A
One end be provided with transfusion needle 4B, perfusion tube 4A wherein one section be arranged in orbital groove 1C；Controller 3 and stepper motor 2
It is connected, and controller 3 sends the rotation of pulse signal control stepper motor 2 to stepper motor 2, stepper motor 2 is for controlling row
Star-wheel 1A rotation, squeezes the perfusion tube being arranged in orbital groove 1C, flows to the liquid in perfusion tube when planetary gear 1A rotates
The direction transfusion needle 4B.
The infusion apparatus 4 includes perfusion tube 4A, wherein one section of track for being arranged in flanged joint bracket 1B of perfusion tube 4A
In groove 1C, and the both ends of perfusion tube 4A are stretched out from flanged joint bracket 1B, and one end is provided with transfusion needle 4B, the other end
It is connect with infusion bottle.When controller 3, which controls stepper motor 2 according to setup parameter, to be rotated, the planetary gear 1A of infusion pump 1 is pressing against rail
Infusion pipeline rotation in road groove 1C, and one section of liquid in the perfusion tube in orbital groove 1C is pushed to flow to transfusion needle 4B
Direction, after the perfusion tube being placed in orbital groove 1C releases one section of volume of liquid by planetary gear 1A, perfusion tube upstream portion shape
At a low-pressure area, attracts upstream liquid to enter and fill the part infusion pipe volume released by planetary gear 1A, make perfusion tube 4A
It is middle to form continuous liquid flowing.
Fig. 2-2 is the sectional view of infusion pump described in the utility model embodiment, and as shown in Fig. 2-2, the infusion pump 1 is also
Including connecting pin 1D, planetary carrier 1E and connecting key 1F, the center of planetary carrier 1E and the center of flanged joint bracket 1B
It is provided with coaxially arranged circular hole, the centre bore and row of the power power output shaft 2A and flanged joint bracket 1B of stepper motor 2
The center stepped hole coaxial cooperation of star-wheel bracket 1E is installed, and planetary gear 1A is fixed on planetary carrier 1E by connecting pin 1D,
Planetary carrier 1E is fixedly connected with the power output shaft of progress motor 2, and the power transmitting of stepper motor 2 is given to by connecting key 1F
Planetary carrier 1E, and drive planetary carrier 1E that planetary gear 1A is driven to rotate around connecting pin 1D.
When controller 3, which controls stepper motor 2, to be rotated, stepper motor 2 will drive planetary carrier 1E rotation, to drive
Planetary gear 1A is pressing against the rotation of the infusion pipeline in orbital groove 1C, and pushes in the perfusion tube being arranged in orbital groove 1C
Liquid flows to the direction transfusion needle 4B.
As shown in Fig. 2-1, it is preferred that the number of the planetary gear 1A is two, and two planetary gear 1A pass through connecting pin
1D is fixed on the two sides of planetary carrier 1E, wherein one section of orbital groove being arranged between two planetary gear 1A of perfusion tube 4A
In 1C.Preferably, the flowing side of the direction of rotation of the planetary gear 1A and liquid in the perfusion tube being arranged in orbital groove 1C
To consistent.
Optionally, the infusion pump 1 further includes attachment screw 1G, the power output of planetary carrier 1E and progress motor 2
Axis 2A is fixedly connected by attachment screw 1G.
In wherein one section of orbital groove 1C being arranged between two planetary gear 1A of the perfusion tube 4A, and two rows
Star-wheel 1A is contacted with this section of perfusion tube, when two planetary gear 1A rotate, and the direction of rotation of two planetary gear 1A and setting
The flow direction of liquid is consistent in the perfusion tube in orbital groove 1C, can make in the perfusion tube between two planetary gear 1A
Liquid flows to the direction transfusion needle 4B.
Fig. 3 is the working principle diagram of infusion pump described in the utility model embodiment, as shown in figure 3, when two planetary gears
1A is pressing against the rotation of the infusion pipeline in orbital groove 1C, and one section of liquid between two planetary gear 1A in perfusion tube is pushed to flow to
The direction transfusion needle 4B of infusion apparatus 4, thus when liquid from transfusion needle 4B flow out, when the perfusion tube being placed in orbital groove 1C is gone
After star-wheel 1A releases one section of volume of liquid, perfusion tube upstream portion forms a low-pressure area, and upstream liquid is attracted to flow into and fill quilt
The part perfusion tube 4A volume that planetary gear 1A is released makes to form continuous liquid flowing in perfusion tube 4A.
It is further preferred that two planetary gear 1A are symmetricly set on the both ends of planetary carrier 1E, and two planetary gear 1A
Connecting line pass through planetary carrier 1E center, can guarantee in this way same rotational speed stepper motor drive under, two rows
Star-wheel 1A often rotates a circle, and the liquid volume in the perfusion tube of release is identical, so as to guarantee the liquid constant in perfusion tube 4A
Speed is flowed out from transfusion needle 4B.
Optionally, the frequency and umber of pulse that the pulse signal of stepper motor 2 is inputted by the control controller 3 are to control
The revolving speed and stop position of stepper motor 2 processed, and then control the infusion volume and flow velocity of electronic infusion device.Electronic infusion device
The revolving speed and stop position of middle stepper motor 2 are solely dependent upon the frequency and umber of pulse of the pulse signal of the output of controller 3, work as control
When device 3 exports a pulse signal to stepper motor 2, stepper motor 2 will rotate a fixed step angle by the direction of setting.It is logical
Cross the infusion volume flow and stream for controlling and can control electronic infusion device into the frequency and umber of pulse of the pulse signal of stepper motor 2
Speed.
As shown in the above, the electric infusion device of the utility model inputs stepper motor by control controller
Pulse signal frequency and umber of pulse to control the revolving speed and stop position of stepper motor, and then control electronic infusion device
Infusion volume and flow velocity, can be realized the automation control of infusion；The electric infusion device structure letter of the utility model
Single, design rationally, can reduce medical staff's workload, reduces security risk, effectively improves the medical treatment satisfaction of patient.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above reality
Applying can also be combined between the technical characteristic in example or different embodiments, and there are the utility model as described above
Many other variations of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission, modification, equivalent replacement, improvement for being made etc. should be included in the protection scope of the utility model
Within.
Claims (6)
1. a kind of electric infusion device, which is characterized in that described including infusion pump, stepper motor, controller and infusion apparatus
Infusion pump includes planetary gear and flanged joint bracket, and the flanged joint bracket is provided with orbital groove, and the infusion apparatus includes
Perfusion tube, one end of the perfusion tube are provided with transfusion needle, and wherein one section of setting of the perfusion tube is in the orbital groove；
The controller is connected with the stepper motor, and the controller sends pulse signal to the stepper motor and controls the step
Into the rotation of motor, the stepper motor squeezes when the planetary gear rotates and is arranged in institute for controlling the planetary gear rotation
The perfusion tube in orbital groove is stated, the liquid in perfusion tube is made to flow to the transfusion needle direction.
2. electric infusion device according to claim 1, which is characterized in that the infusion pump further include connecting pin,
Being provided centrally with for planetary carrier and connecting key, the center of the planetary carrier and the flanged joint bracket is coaxially arranged
Circular hole, in the centre bore and the planetary carrier of the power output shaft of the stepper motor and the flanged joint bracket
The installation of heart stepped hole coaxial cooperation, the planetary gear are fixed on the planetary carrier by the connecting pin, the planet
Wheel support is fixedly connected with the power output shaft of the stepper motor, and the connecting key passes to the power of the stepper motor
To the planetary carrier, and drive the planetary carrier that the planetary gear is driven to rotate around the connecting pin.
3. electric infusion device according to claim 1, which is characterized in that the direction of rotation of the planetary gear with set
The flow direction for setting the liquid in the perfusion tube in the orbital groove is consistent.
4. electric infusion device according to claim 2, which is characterized in that the infusion pump further includes connection spiral shell
Nail, the planetary carrier are fixedly connected with the power output shaft of the stepper motor by the attachment screw.
5. electric infusion device according to claim 2, which is characterized in that the number of the planetary gear is two,
Two planetary gears pass through the two sides that the connecting pin is fixed on the planetary carrier, wherein one section of setting of the perfusion tube
In orbital groove between two planetary gears.
6. electric infusion device according to claim 1, which is characterized in that input institute by controlling the controller
Frequency and the umber of pulse of the pulse signal of stepper motor are stated to control the revolving speed and stop position of the stepper motor, and then is controlled
Make the infusion volume and flow velocity of electronic infusion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350888.7U CN208611484U (en) | 2017-10-19 | 2017-10-19 | A kind of electric infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350888.7U CN208611484U (en) | 2017-10-19 | 2017-10-19 | A kind of electric infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208611484U true CN208611484U (en) | 2019-03-19 |
Family
ID=65688230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721350888.7U Expired - Fee Related CN208611484U (en) | 2017-10-19 | 2017-10-19 | A kind of electric infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208611484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510870A (en) * | 2017-10-19 | 2017-12-26 | 湖南中医药大学 | A kind of electric infusion device |
-
2017
- 2017-10-19 CN CN201721350888.7U patent/CN208611484U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510870A (en) * | 2017-10-19 | 2017-12-26 | 湖南中医药大学 | A kind of electric infusion 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 |
Granted publication date: 20190319 Termination date: 20191019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |