CN105013043B - Miniature automatic constant-pressure transfusion device - Google Patents
Miniature automatic constant-pressure transfusion device Download PDFInfo
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- CN105013043B CN105013043B CN201410180371.2A CN201410180371A CN105013043B CN 105013043 B CN105013043 B CN 105013043B CN 201410180371 A CN201410180371 A CN 201410180371A CN 105013043 B CN105013043 B CN 105013043B
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- pressure
- transfusion device
- automatic constant
- transfusion
- miniature automatic
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Abstract
The present invention relates to technical field of medical equipment, and in particular to a kind of miniature automatic constant-pressure transfusion device.This transfusion device is made up of two pieces of curved splints disposed in opposite directions and its transfusion bag of clamping, stepper motor, pressure sensor and rechargeable battery；In this transfusion device power is provided by stepper motor, and through reduction gearing, escape wheel, spool gears and tensioning steel wire collective effect, it is supplied to the chucking power that curved splint is certain, wrapped so that the curved splint is infused with constant pressure extrusion, the pressure information of woven hose is experienced by pressure sensor, and regulates and controls the mechanical part action after micro computer is handled；The miniature automatic constant-pressure transfusion device of the present invention, small volume is easy to use, can keep constant transfusion pressure automatically in infusion process.Infused suitable for all kinds of clinical veins, be especially suitable for the use of urgent place rescue.
Description
Technical field
The invention belongs to medical science life science, it is related to medical equipment, and in particular to a kind of miniature automatic constant-pressure transfusion device.
Background technology
Venous transfusion is to be commonly used in medical clinical practice, effectively controlling for a large amount of sterile solutions or medicine is inputted through vein
Treatment means, it is even more important in wounded's urgent rescue in the place such as disaster field or battlefield.Currently used infusion method is：
Transfusion bag or bottle are hung on into eminence, passed through naturally by the self gravitation potential energy difference of liquid using the physical principle of fluid pressure
In woven hose afferent veins.However, often not possessing good transfusion condition at some rescue scenes, often need medical personnel empty
Hand is lifted liquid bag and guarded, and thus have impact on the progress of rescue, adds the difficulty of rescue.
The treatment means for the venous transfusion commonly used at present in clinical practice are controlled using syringe type automatic transfusion device
The defects for the treatment of, the transfusion device are characterized in that amount of infusion is accurate, but its is obvious is：Amount of infusion is less（Typically less than 100ml）, and
Utensil volume is larger, is not particularly suitable for the use of urgent place rescue.
The content of the invention
It is an object of the invention to provide a kind of miniature automatic constant-pressure transfusion device, and the transfusion device small volume is easy to use, defeated
Constant transfusion pressure can be kept during liquid automatically.
The automatic transfusion device of the present invention is achieved through the following technical solutions：
1. the transfusion bag between the curved metal clamping plate extruding disposed in opposite directions using two panels；
2. described metal splint is passed to the power of motor using steel wire；
3. by the Mechatronic control system based on single-chip microcomputer, the chucking power of metal splint described in fine adjustment, to maintain
The transfusion stream of steady.
Specifically, the miniature automatic constant-pressure transfusion device of the present invention, it is characterised in that by two pieces of curved splints disposed in opposite directions
1 and its clamping transfusion bag 2, stepper motor 3, pressure sensor 10 and rechargeable battery composition；The opposite placement of described two pieces
Curved splint, provide power by stepper motor, and common through reduction gearing, escape wheel, spool gears and tensioning steel wire
Effect, there is provided the chucking power certain to curved splint, so that the curved metal clamping plate clamping plate squeezes clamped transfusion bag, be
It provides more constant pressure；The pressure information of woven hose is experienced by being placed in the pressure sensor near infusion port, it is described
Pressure be pressure in woven hose, and regulate and control above-mentioned mechanical part action after micro computer is handled, of the invention is miniature automatic
Constant pressure transfusion device provides the energy using rechargeable battery.
More specifically, miniature automatic constant-pressure transfusion device of the invention, it is characterised in that by upper and lower arc pressuring plate 1, transfusion
Bag 2, stepper motor 3, slow down, escape wheel case 4, escape wheel trip switch 5, left and right pressing plate hasp 6, spool gears 7, steel wire
Spool 8, steel wire 9, pressure sensor 10, pulley 11, and control circuit（MCU）12 compositions；Described upper and lower arc pressuring plate 1
Opposite placement, transfusion bag 2 is sandwiched between, stepper motor 3 is by the way that electric machine main shaft link is slowed down, escape wheel case 4 reaches power
Spool gears 7, steel wire spool 8 is driven to take out tight steel wire 9, steel wire turns to by pulley 11 drives upper and lower arc pressuring plate 1 to wrap transfusion
2 pressurizations.
In the present invention, stepper motor 3 provides power, and through reduction gearing, escape wheel, spool gears and tensioning steel wire
Collective effect, there is provided the chucking power certain to the curved splint so that curved splint is with clamped by constant pressure extrusion
Transfusion bag；Pressure sensor 10 is placed near infusion port, experiences the pressure information of woven hose, and described pressure is in woven hose
Pressure, and regulate and control after micro computer is handled above-mentioned mechanical part action；
In the present invention, arc pressuring plate 1 is upper and lower opposite placement, in embodiments of the invention, using curved metal clamping plate,
The curved metal clamping plate extruding transfusion bag that two panels disposes in opposite directions；
In the present invention, described transfusion device volume is suitable with transfusion inclusion product；
In the present invention, the power of motor passes to metal splint by steel wire；
In the present invention, using Mechatronic control system well known in the art, the Electromechanical Control described in embodiments of the invention
System based on single-chip microcomputer, its can fine adjustment metal splint chucking power, to maintain the transfusion stream of steady.
In the present invention, the pressure detection of liquid is provided by being positioned in the pressure sensor near infusion port, and pressure is set
It is set to 1.0~1.2kg/cm2, high 1.0~1.2m is hanged naturally equivalent to transfusion bag；Or according to being actually needed, it is independently selected required
Pressure；
In the present invention, automatic constant-pressure transfusion device regulation process is as follows：
When pressure sensor 10, which experiences pressure, is less than setting value, signal starts pressurization after the processing of control circuit 12
Process, driving power being provided by stepper motor 3, power is reached spool gears 7 by electric machine main shaft via deceleration, escape wheel case 4,
And driving steel wire spool 8 to take out tight steel wire 9, steel wire turns to by pulley 11, via upper and lower arc pressuring plate 1 to the pressurization of transfusion bag 2；
When pressure is equal to setting value, steel wire tension is maintained by escape wheel, does not consume electric energy now；
When pressure is higher than setting value, escape wheel is threaded off, and is discharged escape wheel, is loosened steel wire spool, the Clip of arc lower pressing plate 1
Holding force reduces；
Energy needed for this automatic constant-pressure transfusion device is provided by rechargeable battery, because the power consumption mode of this transfusion device is gap
Property, therefore, electric energy can maintain the longer working time.
Through using, the results showed that, no matter any position of the transfusion bag around patient body, the utensil can carry to it
For constant infusion pressure, so that infused physical efficiency inputs patient's body with more constant speed.
The automatic constant-pressure infusion set of the present invention has the following advantages：
Automatic constant-pressure transfusion device of the present invention, compact, its volume is suitable with transfusion inclusion product, and is infusing
During, its volume reduces and is gradually reduced with transfusion bag；
Automatic constant-pressure transfusion device of the present invention, in whole infusion process, no matter transfusion device is placed in patient body
Surrounding where, constant transfusion pressure can be kept automatically, to maintain stable infusion flow.
The invention provides the automatic constant-pressure transfusion device of compact, its volume is only more bigger than transfusion bag, and with transfusion
Process and be gradually reduced；Keep constant transfusion pressure automatically in whole infusion process simultaneously, should to maintain stable infusion flow
The treatment that automatic constant-pressure transfusion device is applied to the transfusion of all kinds of clinical veins uses, and is especially suitable for the use of urgent place rescue.
Brief description of the drawings
Fig. 1 is the structural representation of the automatic constant-pressure transfusion device of the present invention, wherein,
1, arc（It is upper and lower）Pressing plate, 2, transfusion bag, 3, stepper motor, 4, slow down, escape wheel case, 5, escape wheel takes off
Button switch, 6, pressing plate（It is left and right）Hasp, 7, spool gears, 8, steel wire spool, 9, steel wire, 10, pressure sensor, 11, pulley,
12, control circuit（MCU）.
Embodiment
Embodiment 1
Using the two pieces of curved metal disposed in opposite directions clamping plates, transfusion bag, stepper motor, pressure sensor and rechargeable battery
Miniature automatic constant-pressure transfusion device is made, more specifically described transfusion device is by upper and lower arc pressuring plate 1, transfusion bag 2, stepper motor
3, slow down, escape wheel case 4, escape wheel trip switch 5, left and right pressing plate hasp 6, spool gears 7, steel wire spool 8, steel wire 9,
Pressure sensor 10, pulley 11, and control circuit（MCU）12 compositions；Described upper and lower arc pressuring plate 1 disposes in opposite directions, therebetween
Clamping transfusion bag 2, stepper motor 3 provides power, by the way that electric machine main shaft link is slowed down, power is reached spool by escape wheel case 4
Gear 7, drives steel wire spool 8 to take out tight steel wire 9, and steel wire passes through the steering of pulley 11 and drives upper and lower arc pressuring plate 1 to add transfusion bag 2
Pressure；So that curved splint is with the transfusion bag clamped by constant pressure extrusion；Pressure sensor 10 is placed near infusion port, sense
By the pressure information of woven hose, described pressure is the pressure in woven hose, and regulates and controls above-mentioned Machinery Ministry after micro computer is handled
Transfer is made, and the energy is provided using rechargeable battery.
Mechatronic control system described in the present embodiment based on single-chip microcomputer, its can fine adjustment metal splint clamping
Power, to maintain the transfusion stream of steady.
Practice is in use, pressure, the pressure of liquid are detected by being positioned in infusion port according to needed for being actually needed and select
Neighbouring pressure sensor provides, and in the present embodiment, pressure set is 1.0~1.2kg/cm2, equivalent to the naturally outstanding height of transfusion bag
1.0~1.2m；By following regulation processes：
When pressure sensor 10, which experiences pressure, is less than setting value, signal starts pressurization after the processing of control circuit 12
Process, driving power being provided by stepper motor 3, power is reached spool gears 7 by electric machine main shaft via deceleration, escape wheel case 4,
And driving steel wire spool 8 to take out tight steel wire 9, steel wire turns to by pulley 11, via upper and lower arc pressuring plate 1 to the pressurization of transfusion bag 2；
When pressure is equal to setting value, steel wire tension is maintained by escape wheel, does not consume electric energy now；
When pressure is higher than setting value, escape wheel is threaded off, and is discharged escape wheel, is loosened steel wire spool, the Clip of arc lower pressing plate 1
Holding force reduces；
Energy needed for this automatic constant-pressure transfusion device is provided by rechargeable battery, because the power consumption mode of this transfusion device is gap
Property, therefore, electric energy can maintain the longer working time.
Shown using result, no matter any position of the transfusion bag around patient body, the utensil can give its offer
Constant infusion pressure, so that infused physical efficiency inputs patient's body with more constant speed.
Claims (9)
1. miniature automatic constant-pressure transfusion device, it is characterised in that by arc pressuring plate (1), (2) are wrapped in transfusion, stepper motor (3), slow down,
Escape wheel case (4), escape wheel trip switch (5), left and right pressing plate hasp (6), spool gears (7), steel wire spool (8), steel wire
(9), pressure sensor (10), pulley (11), and control circuit (12) composition；The upper and lower opposite peace of described arc pressuring plate (1)
Put, be sandwiched between transfusion bag (2), stepper motor (3) is by the way that electric machine main shaft link is slowed down, escape wheel case (4) reaches power
Spool gears (7), steel wire spool (8) is driven to take out tight steel wire (9), steel wire turns to by pulley (11) drives arc pressuring plate (1) right
Transfusion bag (2) pressurization；
Described control circuit is MCU.
2. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that described arc pressuring plate (1) is two panels
The upper and lower curved metal clamping plate disposed in opposite directions.
3. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that described miniature automatic constant-pressure transfusion device
Its volume is suitable with transfusion inclusion product.
4. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that the power of described stepper motor (3)
Arc pressuring plate (1) is passed to by steel wire (9).
5. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that described pressure sensor (10) placement
At infusion port.
6. the miniature automatic constant-pressure transfusion device as described in claim 5, it is characterised in that described pressure sensor (10) impression
Pressure in woven hose.
7. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that described stepper motor (3) is with monolithic
Machine is Mechatronic control system.
8. the miniature automatic constant-pressure transfusion device as described in claim 7, it is characterised in that described Mechatronic control system is accurately adjusted
Save the extruding force of arc pressuring plate (1).
9. the miniature automatic constant-pressure transfusion device as described in claim 1, it is characterised in that needed for described automatic constant-pressure transfusion device
Energy is provided by rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180371.2A CN105013043B (en) | 2014-05-03 | 2014-05-03 | Miniature automatic constant-pressure transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410180371.2A CN105013043B (en) | 2014-05-03 | 2014-05-03 | Miniature automatic constant-pressure transfusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105013043A CN105013043A (en) | 2015-11-04 |
| CN105013043B true CN105013043B (en) | 2017-12-26 |
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ID=54403574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410180371.2A Expired - Fee Related CN105013043B (en) | 2014-05-03 | 2014-05-03 | Miniature automatic constant-pressure transfusion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105013043B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364327A (en) * | 2018-12-21 | 2019-02-22 | 江苏食品药品职业技术学院 | A kind of scissors infusion pressurizing unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895631A (en) * | 1974-02-04 | 1975-07-22 | Alza Corp | Liquid infusion unit |
| WO1985002344A1 (en) * | 1983-11-23 | 1985-06-06 | Novacor Medical Corporation | Implantable infusion device |
| JPH07265419A (en) * | 1994-04-01 | 1995-10-17 | Machida Endscope Co Ltd | Supplying device of liquid for medical treatment |
| CN1236325A (en) * | 1997-12-24 | 1999-11-24 | 巴克斯特国际有限公司 | Sealed movable pump |
| CN1931381A (en) * | 2006-09-28 | 2007-03-21 | 郑寿春 | Elastic extrusion type infusion device |
| CN201551665U (en) * | 2009-12-03 | 2010-08-18 | 陈明华 | Controllable field operation transfusion device |
| CN203898842U (en) * | 2014-05-03 | 2014-10-29 | 上海市第一人民医院 | Minisize automatic constant pressure infusion device |
-
2014
- 2014-05-03 CN CN201410180371.2A patent/CN105013043B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895631A (en) * | 1974-02-04 | 1975-07-22 | Alza Corp | Liquid infusion unit |
| WO1985002344A1 (en) * | 1983-11-23 | 1985-06-06 | Novacor Medical Corporation | Implantable infusion device |
| JPH07265419A (en) * | 1994-04-01 | 1995-10-17 | Machida Endscope Co Ltd | Supplying device of liquid for medical treatment |
| CN1236325A (en) * | 1997-12-24 | 1999-11-24 | 巴克斯特国际有限公司 | Sealed movable pump |
| CN1931381A (en) * | 2006-09-28 | 2007-03-21 | 郑寿春 | Elastic extrusion type infusion device |
| CN201551665U (en) * | 2009-12-03 | 2010-08-18 | 陈明华 | Controllable field operation transfusion device |
| CN203898842U (en) * | 2014-05-03 | 2014-10-29 | 上海市第一人民医院 | Minisize automatic constant pressure infusion device |
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| Publication number | Publication date |
|---|---|
| CN105013043A (en) | 2015-11-04 |
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