CN105013043A - Micro automatic constant pressure infusion device - Google Patents
Micro automatic constant pressure infusion device Download PDFInfo
- Publication number
- CN105013043A CN105013043A CN201410180371.2A CN201410180371A CN105013043A CN 105013043 A CN105013043 A CN 105013043A CN 201410180371 A CN201410180371 A CN 201410180371A CN 105013043 A CN105013043 A CN 105013043A
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- Prior art keywords
- pressure
- automatic constant
- transfusion device
- transfusion
- infusion
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Abstract
The invention relates to the technical field of medical equipment and specifically relates to a micro automatic constant pressure infusion device. The infusion device comprises two arc-shaped clamping plates arranged oppositely, an infusion bag clamped by the two clamping plates, a step motor, a pressure sensor and a rechargeable battery. The step motor provides power for the infusion apparatus; by the joint action of a reduction gear, an escape pinion, a scroll gear and tensioning steel wires, a certain clamping force is supplied to the arc-shaped clamping plates, so that the arc-shaped clamping plates extrude the infusion bag with constant pressure; the pressure sensor senses the pressure information of an infusion tube, and the operation of the mechanical part is controlled after processing of a microcomputer. The micro automatic constant pressure infusion device is small in size and convenient to use, can maintain constant infusion pressure automatically in the process of infusion, and is suitable for various clinical intravenous infusions and particularly suitable for emergency site rescue.
Description
Technical field
The invention belongs to medical science life science, relate to medical equipment, be specifically related to a kind of miniature automatic constant-pressure transfusion device.
Background technology
Venous transfusion is effective treatment means conventional in medical clinical practice, input a large amount of sterile solution or medicine through vein, is even more important in wounded's urgent rescue in the place such as disaster field or battlefield.Infusion method conventional is at present: transfusion bag or bottle are hung on eminence, utilizes the physical principle of fluid pressure to rely on the self gravitation potential energy difference nature of liquid by tube for transfusion afferent veins.But rescue is on-the-spot does not often possess good transfusion condition at some, often needs the free-hand liquid bag of lifting of medical personnel to guard, have impact on the progress of rescue thus, add the difficulty of rescue.
The treatment means of venous transfusion conventional in current clinical practice adopts syringe type automatic transfusion device to treat, this transfusion device is characterized in that amount of infusion is accurate, but its obvious defect is: amount of infusion less (being usually less than 100ml), and utensil volume is comparatively large, be especially not suitable for the use of urgent place rescue.
Summary of the invention
The object of this invention is to provide a kind of miniature automatic constant-pressure transfusion device, this transfusion device volume is little, easy to use, can automatically keep constant transfusion to press in infusion process.
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 adopting two panels to settle in opposite directions;
2. adopt steel wire by the power transmission of motor to described metal splint;
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.
Concrete, miniature automatic constant-pressure transfusion device of the present invention, is characterized in that, the transfusion bag 2 of the curved splint 1 settled in opposite directions by two pieces and clamping thereof, motor 3, pressure transducer 10 and rechargeable battery composition; Two pieces of described curved splints settled in opposite directions, power is provided by motor, and through reduction gearing, escape wheel, spool gears and the combined effect of tensioning steel wire, be supplied to the chucking power that curved splint is certain, thus make these curved metal clamping plate clamping plate squeeze clamped transfusion bag, for it provides comparatively constant pressure; The pressure information of tube for transfusion is experienced by the pressure transducer be placed near infusion port, described pressure is the pressure in tube for transfusion, and after micro computer process, regulating and controlling above-mentioned mechanical part action, miniature automatic constant-pressure transfusion device of the present invention uses rechargeable battery to provide the energy.
More specifically, miniature automatic constant-pressure transfusion device of the present invention, is characterized in that, by upper and lower arc pressuring plate 1, transfusion bag 2, motor 3, deceleration, 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 transducer 10, pulley 11, and control circuit (MCU) 12 forms; Described upper and lower arc pressuring plate 1 is settled in opposite directions, the bag 2 of clamping transfusion therebetween, motor 3 is slowed down by electric machine main shaft link, power is reached spool gears 7 by escape wheel case 4, drive steel wire spool 8 to take out tight steel wire 9, steel wire turns to through pulley 11 and drives upper and lower arc pressuring plate 1 to pressurize to transfusion bag 2.
In the present invention, motor 3 provides power, and through reduction gearing, escape wheel, spool gears and the combined effect of tensioning steel wire, is supplied to the chucking power that described curved splint is certain, makes curved splint with the transfusion bag clamped by constant pressure extrusion; Pressure transducer 10 is placed near infusion port, experiences the pressure information of tube for transfusion, and described pressure is the pressure in tube for transfusion, and after micro computer process, regulate and control above-mentioned mechanical part action;
In the present invention, arc pressuring plate 1 is settled in opposite directions for upper and lower, in embodiments of the invention, adopts curved metal clamping plate, the curved metal clamping plate extruding transfusion bag that two panels is settled in opposite directions;
In the present invention, described transfusion device volume is quite long-pending with transfusion inclusion;
In the present invention, the power of motor passes to metal splint by steel wire;
In the present invention, adopt Mechatronic control system well known in the art, the Mechatronic control system described in embodiments of the invention is based on single-chip microcomputer, and it can the chucking power of fine adjustment metal splint, to maintain the transfusion stream of steady.
In the present invention, the pressure of liquid detects and provides by being placed in the pressure transducer be positioned near infusion port, and pressure set is 1.0 ~ 1.2kg/cm
2, be equivalent to transfusion bag and naturally hang high 1.0 ~ 1.2m; Or according to actual needs, autonomous selected required pressure;
In the present invention, automatic constant-pressure transfusion device adjustment process is as follows:
When pressure transducer 10 experiences pressure lower than setting value, signal is after control circuit 12 processes, start pressure process, driving power is provided by motor 3, power is reached spool gears 7 via deceleration, escape wheel case 4 by electric machine main shaft, and driving steel wire spool 8 to take out tight steel wire 9, steel wire turns to through pulley 11, pressurizes to transfusion bag 2 via upper and lower arc pressuring plate 1;
When pressure equals setting value, maintain steel wire tension by escape wheel, now do not consume electric energy;
When pressure is higher than setting value, escape wheel is threaded off, and release escape wheel, loosens steel wire spool, and arc lower pressing plate 1 Clip holds power and reduces;
This automatic constant-pressure transfusion device institute energy requirement provides by rechargeable battery, and the power consumption mode due to this transfusion device is intermittence, and therefore, electric energy can maintain the longer working time.
Through using, result shows, no matter any position be in around patient body is wrapped in transfusion, and this utensil all can provide constant infusion pressure to it, thus makes infused physical ability with in comparatively constant speed input patient body.
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 quite long-pending with transfusion inclusion, and in infusion process, its volume reduces with transfusion bag and reduces gradually;
No matter automatic constant-pressure transfusion device of the present invention, in whole infusion process, be placed in where around patient body by transfusion device, all can automatically keep constant transfusion to press, to maintain stable infusion flow.
The invention provides the automatic constant-pressure transfusion device of compact, its volume is only bigger than transfusion bag, and reduces gradually along with transfusion process; In whole infusion process, automatically keep constant transfusion pressure, to maintain stable infusion flow, the treatment that this automatic constant-pressure transfusion device is applicable to the transfusion of all kinds of clinical vein uses, and is especially applicable to the use of urgent place rescue simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of automatic constant-pressure transfusion device of the present invention, wherein,
1, arc (upper and lower) pressing plate, 2, transfusion bag, 3, motor, 4, deceleration, escape wheel case, 5, escape wheel trip switch, 6, pressing plate (left and right) hasp, 7, spool gears, 8, steel wire spool, 9, steel wire, 10, pressure transducer, 11, pulley, 12, control circuit (MCU).
Detailed description of the invention
embodiment 1
Adopt two pieces of curved metal clamping plate settled in opposite directions, transfusion bag, motor, pressure transducer and rechargeable battery make miniature automatic constant-pressure transfusion device, transfusion device described more specifically by upper and lower arc pressuring plate 1, transfusion bag 2, motor 3, deceleration, 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 transducer 10, pulley 11, and control circuit (MCU) 12 forms; Described upper and lower arc pressuring plate 1 is settled in opposite directions, the bag 2 of clamping transfusion therebetween, motor 3 provides power, by electric machine main shaft link deceleration, escape wheel case 4, power is reached spool gears 7, drive steel wire spool 8 to take out tight steel wire 9, steel wire turns to through pulley 11 and drives upper and lower arc pressuring plate 1 to pressurize to transfusion bag 2; Make curved splint with the transfusion bag clamped by constant pressure extrusion; Pressure transducer 10 is placed near infusion port, experiences the pressure information of tube for transfusion, and described pressure is the pressure in tube for transfusion, and after micro computer process, regulate and control above-mentioned mechanical part action, adopts rechargeable battery to provide the energy.
Mechatronic control system described in the present embodiment is based on single-chip microcomputer, and it can the chucking power of fine adjustment metal splint, to maintain the transfusion stream of steady.
When practice uses, selected required pressure according to actual needs, the pressure of liquid detects and provides by being placed in the pressure transducer be positioned near infusion port, and in the present embodiment, pressure set is 1.0 ~ 1.2kg/cm
2, be equivalent to transfusion bag and naturally hang high 1.0 ~ 1.2m; By following adjustment process:
When pressure transducer 10 experiences pressure lower than setting value, signal is after control circuit 12 processes, start pressure process, driving power is provided by motor 3, power is reached spool gears 7 via deceleration, escape wheel case 4 by electric machine main shaft, and driving steel wire spool 8 to take out tight steel wire 9, steel wire turns to through pulley 11, pressurizes to transfusion bag 2 via upper and lower arc pressuring plate 1;
When pressure equals setting value, maintain steel wire tension by escape wheel, now do not consume electric energy;
When pressure is higher than setting value, escape wheel is threaded off, and release escape wheel, loosens steel wire spool, and arc lower pressing plate 1 Clip holds power and reduces;
This automatic constant-pressure transfusion device institute energy requirement provides by rechargeable battery, and the power consumption mode due to this transfusion device is intermittence, and therefore, electric energy can maintain the longer working time.
Use result shows, no matter any position be in around patient body is wrapped in transfusion, and this utensil all can provide constant infusion pressure to it, thus makes infused physical ability with in comparatively constant speed input patient body.
Claims (9)
1. miniature automatic constant-pressure transfusion device, is characterized in that, by arc pressuring plate (1), transfusion bag (2), motor (3), deceleration, 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 transducer (10), pulley (11), and control circuit (MCU) (12) composition; Described arc pressuring plate (1) is upper and lower to be settled in opposite directions, clamping transfusion bag (2) therebetween, motor (3) is slowed down by electric machine main shaft link, power is reached spool gears (7) by escape wheel case (4), drive steel wire spool (8) to take out tight steel wire (9), steel wire turns to through pulley (11) and drives arc pressuring plate (1) to transfusion bag (2) pressurization.
2., by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, the curved metal clamping plate that described arc pressuring plate (1) is settled in opposite directions for two panels is upper and lower.
3. by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, described miniature its volume of automatic constant-pressure transfusion device is quite long-pending with transfusion inclusion.
4. by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, the power of described motor (3) passes to arc pressuring plate (1) by steel wire (9).
5., by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, described pressure transducer (10) is placed in infusion port place.
6., by miniature automatic constant-pressure transfusion device according to claim 5, it is characterized in that, described pressure transducer (10) experiences the pressure in tube for transfusion.
7., by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, described motor (3) take single-chip microcomputer as Mechatronic control system.
8., by miniature automatic constant-pressure transfusion device according to claim 7, it is characterized in that, the extruding force of described Mechatronic control system fine adjustment arc pressuring plate (1).
9., by miniature automatic constant-pressure transfusion device according to claim 1, it is characterized in that, described automatic constant-pressure transfusion device institute energy requirement 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 true CN105013043A (en) | 2015-11-04 |
| CN105013043B CN105013043B (en) | 2017-12-26 |
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| 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 |
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Cited By (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 | Elastically extruding infusion set |
| 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 | Elastically extruding infusion set |
| 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 |
Cited By (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 |
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| CN105013043B (en) | 2017-12-26 |
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