CN109621088A - For terminal perfusion tube flow adjusting with high-precision of being remotely infused - Google Patents
For terminal perfusion tube flow adjusting with high-precision of being remotely infused Download PDFInfo
- Publication number
- CN109621088A CN109621088A CN201910068562.2A CN201910068562A CN109621088A CN 109621088 A CN109621088 A CN 109621088A CN 201910068562 A CN201910068562 A CN 201910068562A CN 109621088 A CN109621088 A CN 109621088A
- Authority
- CN
- China
- Prior art keywords
- perfusion tube
- compression module
- infused
- precision
- remotely
- 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.)
- Pending
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Classifications
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The invention discloses one kind for terminal perfusion tube flow adjusting with high-precision of being remotely infused, including driving unit, transmission mechanism and perfusion tube compression module, the perfusion tube compression module is installed on transmission mechanism, it is moved in the driving lower transmission mechanism of the driving unit with perfusion tube compression module, it completes to compress or unclamp operation close to perfusion tube, the mobile route and perfusion tube of the perfusion tube compression module are not parallel, move in relative tilt shape and are engaged with perfusion tube.The present invention has many advantages, such as that simple and compact for structure, easy to use, degree of regulation is high.
Description
Technical field
Present invention relates generally to technical field of medical equipment, refer in particular to a kind of for terminal perfusion tube high-precision of being remotely infused
Flow regulator.
Background technique
When being infused patient, the control of transfusion speed and flow is generally carried out according to the actual body state of patient
System.Currently, most of infusion equipment is also that can quickly control flow on the market, i.e., vertical cut side is passed through using stepper motor
Formula controls flow, because the size of pipe, in the diameter of 5mm, the step pitch of control is exactly that 0-5mm opens the big of control flow
It is small.Due to being vertical cut mode when control, so degree of regulation is all not satisfactory, if in order to improve precision
The step pitch setting of motor is small, then the speed adjusted will be slack-off, so improving precision, still speed reduces again.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
Kind simple and compact for structure, easy to use, degree of regulation it is high for terminal perfusion tube flow adjusting with high-precision of being remotely infused.
In order to solve the above technical problems, the invention adopts the following technical scheme:
One kind is for terminal perfusion tube flow adjusting with high-precision of being remotely infused, including driving unit, transmission mechanism and perfusion tube
Compression module, the perfusion tube compression module are installed on transmission mechanism, in the driving lower transmission mechanism band of the driving unit
Perfusion tube compression module movement, close to perfusion tube complete compress or unclamp operation, the mobile road of the perfusion tube compression module
Line is not parallel with perfusion tube, moves in relative tilt shape and is engaged with perfusion tube.
As a further improvement of the present invention: the transmission mechanism is lead screw transmission mechanism, the perfusion tube compression module
It is installed in lead screw transmission mechanism.
As a further improvement of the present invention: the driving unit uses stepper motor.
As a further improvement of the present invention: the perfusion tube in vertical direction arrange, the perfusion tube compression module from
Perfusion tube side is moved to be engaged with perfusion tube.
As a further improvement of the present invention: the perfusion tube compression module includes sliding block and idler wheel, and the sliding block is used to
It is slided on drive lead screw in lead screw transmission mechanism, the idler wheel, which is set on sliding block and is used to be formed with perfusion tube, to be cooperated.
As a further improvement of the present invention: limit is arranged in the extreme position in the perfusion tube compression module stroke
Switch allows driving through limit switch when the arrival of perfusion tube compression module is totally released or completely closes the state of perfusion tube
Unit is closed.
As a further improvement of the present invention: the driving unit is controlled by a control unit, and the control is single
Member is using single-chip microcontroller or the controller of server end.
Compared with the prior art, the advantages of the present invention are as follows:
It is of the invention for terminal perfusion tube flow adjusting with high-precision of being remotely infused, the mobile route of perfusion tube compression module with
Perfusion tube is not parallel, obliquely moves to and is engaged with perfusion tube, i.e., perfusion tube compression module is used to perfusion tube
Beveling mode realize compression or unclamp cooperation.Vertical cut is become beveling mode by the present invention, thus reached not only improve precision but also
The demand of speed is improved, but also can be configured with potential demand.In other words, the present invention is by the way of beveling, then tiltedly
The diameter cut is 0-20mm.So under the premise of driving unit control precision is constant, overall co-ordination accuracy rating is from original
0-5mm has been increased to 0-20mm, according to actual needs, different ranges can also be arranged under enough strokes.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention.
Marginal data:
1, driving unit；2, perfusion tube；3, sliding block；4, idler wheel；5, drive lead screw；6, limit switch.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, of the invention is used for terminal perfusion tube flow adjusting with high-precision of being remotely infused, including driving unit
1, transmission mechanism and perfusion tube compression module, the perfusion tube compression module is installed on transmission mechanism, in the drive of driving unit 1
Dynamic lower transmission mechanism is moved with perfusion tube compression module, completes to compress or unclamp operation close to perfusion tube 2, to adjust to defeated
The speed of liquid is accurately adjusted.In the present invention, the mobile route of perfusion tube compression module and perfusion tube 2 are not parallel, in inclining
Ramp-like move to is engaged with perfusion tube 2, i.e., perfusion tube compression module uses and realizes pressure to the beveling mode of perfusion tube 2
Tight or release cooperation.Vertical cut is become beveling mode by the present invention, thus reached the demand for not only improving precision but also improving speed, and
And it can be configured with potential demand.In other words, the present invention is by the way of beveling, then the diameter chamfer is 0-20mm.
So under the premise of driving unit control precision is constant, overall co-ordination accuracy rating has been increased to 0- from original 0-5mm
Different ranges can also be arranged according to actual needs in 20mm under enough strokes.
In specific application example, driving unit 1 uses stepper motor, and the control to stepper motor is according to stepper motor
Own step pitch control.
In specific application example, transmission mechanism uses lead screw transmission mechanism, can be to infusion using lead screw transmission mechanism
The position of pipe compression module and movement are accurately controlled.
In specific application example, in order to realize that " beveling " of perfusion tube compression module and perfusion tube 2 cooperates, due to " tiltedly
Cut " it is opposite, so only needing the direction of motion of perfusion tube compression module and perfusion tube 2 is not parallel.In practical fortune
It is used time, general to consider to arrange perfusion tube 2 in vertical direction, guarantee that medical fluid stablizes conveying under the conditions of self weight, and will transmission
Mechanism is arranged to the state not parallel with perfusion tube 2, then perfusion tube compression module can be in oblique tangential perfusion tube 2, shape
It is controlled at beveling mode.It is appreciated that in some schemes, it is also contemplated that transmission mechanism will be arranged to flat with perfusion tube 2
Perfusion tube 2 is arranged to vertical direction at an angle, also be capable of forming beveling mode and control, this all should by capable state
Within protection scope of the present invention.
In specific application example, perfusion tube compression module includes sliding block 3 and idler wheel 4, and sliding block 3 is used in screw rod transmission machine
It is slided on drive lead screw 5 in structure, idler wheel 4, which is set on sliding block 3 and is used to be formed with perfusion tube 2, to be cooperated.The design of idler wheel 4,
Perfusion tube flow can be controlled under the premise of maximum possible reduces frictional force.
In specific application example, limit switch can also be set in the extreme position in perfusion tube compression module stroke
6, using limit switch 6 drive can be allowed when perfusion tube compression module reaches and is totally released or completely closes the state of perfusion tube 2
Moving cell 1 is closed.
In specific application example, driving unit 1 is controlled by a control unit, and control unit can be according to reality
Need the controller using single-chip microcontroller or server end.
Working principle: control unit (single-chip microcontroller) is by giving driving unit 1(stepper motor) PWM wave is sent to control stepping
Motor rotates and reverse, and drives perfusion tube to compress when step motor control transmission mechanism (lead screw transmission mechanism) rotates forward screw rod rotation
Downwards, from A point to B point, distance is 20mm to sliding block 3 in module, while the triggering closure limit switch 6 when reaching B point, infusion
Pipe 2 is stuck, and different distances can be set by adjusting the angle of stepper motor.When opening perfusion tube 2 from B point again to A
Point, opening limit switch 6 is triggered when reaching A point, and whole flow process indicates to complete.Exactly by zooming out A point to B point distance
When, then the multiple of flow control also correspondinglys increase, while the mode that idler wheel 3 rotates reduces frictional force to control perfusion tube
2 flow.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (7)
1. one kind is for terminal perfusion tube flow adjusting with high-precision of being remotely infused, including driving unit (1), transmission mechanism and defeated
Liquid pipe compression module, the perfusion tube compression module are installed on transmission mechanism, in the driving underdrive of the driving unit (1)
Mechanism is moved with perfusion tube compression module, completes to compress or unclamp operation close to perfusion tube (2), which is characterized in that described defeated
The mobile route of liquid pipe compression module and perfusion tube (2) are not parallel, move in relative tilt shape and are contacted with perfusion tube (2)
Cooperation.
2. according to claim 1 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, which is characterized in that institute
Stating transmission mechanism is lead screw transmission mechanism, and the perfusion tube compression module is installed in lead screw transmission mechanism.
3. according to claim 1 or 2 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, feature exists
In the driving unit (1) uses stepper motor.
4. according to claim 1 or 2 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, feature exists
In the perfusion tube (2) is arranged in vertical direction, and the perfusion tube compression module is moved to and is infused from perfusion tube (2) side
Pipe (2) is engaged.
5. according to claim 1 or 2 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, feature exists
In the perfusion tube compression module includes sliding block (3) and idler wheel (4), and the sliding block (3) is used to the biography in lead screw transmission mechanism
It is slided on dynamic screw rod (5), the idler wheel (4), which is set on sliding block (3) and is used to be formed with perfusion tube (2), to be cooperated.
6. according to claim 1 or 2 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, feature exists
In limit switch (6) are arranged in the extreme position in the perfusion tube compression module stroke, by limit switch (6) defeated
When the arrival of liquid pipe compression module is totally released or completely closes the state of perfusion tube (2), driving unit (1) is allowed to close.
7. according to claim 1 or 2 for terminal perfusion tube flow adjusting with high-precision of being remotely infused, feature exists
In the driving unit (1) is controlled by a control unit, and described control unit uses the control of single-chip microcontroller or server end
Device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068562.2A CN109621088A (en) | 2019-01-24 | 2019-01-24 | For terminal perfusion tube flow adjusting with high-precision of being remotely infused |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068562.2A CN109621088A (en) | 2019-01-24 | 2019-01-24 | For terminal perfusion tube flow adjusting with high-precision of being remotely infused |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109621088A true CN109621088A (en) | 2019-04-16 |
Family
ID=66063513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910068562.2A Pending CN109621088A (en) | 2019-01-24 | 2019-01-24 | For terminal perfusion tube flow adjusting with high-precision of being remotely infused |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109621088A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2673404Y (en) * | 2004-01-09 | 2005-01-26 | 成都中医药大学附属医院针灸学校 | Multifunction transfusion safety alarming device |
| CN205569439U (en) * | 2016-03-30 | 2016-09-14 | 杭州寇古科技有限公司 | Transfer line flow regulator and infusion monitored control system |
| CN205988443U (en) * | 2016-06-25 | 2017-03-01 | 浙江大学医学院附属邵逸夫医院 | A kind of transfusion and blood transfusion actuator |
-
2019
- 2019-01-24 CN CN201910068562.2A patent/CN109621088A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2673404Y (en) * | 2004-01-09 | 2005-01-26 | 成都中医药大学附属医院针灸学校 | Multifunction transfusion safety alarming device |
| CN205569439U (en) * | 2016-03-30 | 2016-09-14 | 杭州寇古科技有限公司 | Transfer line flow regulator and infusion monitored control system |
| CN205988443U (en) * | 2016-06-25 | 2017-03-01 | 浙江大学医学院附属邵逸夫医院 | A kind of transfusion and blood transfusion actuator |
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