CN2805782Y - Vacuum suction device - Google Patents
Vacuum suction device Download PDFInfo
- Publication number
- CN2805782Y CN2805782Y CN 200520016000 CN200520016000U CN2805782Y CN 2805782 Y CN2805782 Y CN 2805782Y CN 200520016000 CN200520016000 CN 200520016000 CN 200520016000 U CN200520016000 U CN 200520016000U CN 2805782 Y CN2805782 Y CN 2805782Y
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- pump system
- vacuum pump
- electromagnetic valve
- chip microcomputer
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a vacuum sucking device which comprises a vacuum pump system, a negative pressure bottle, a drainage tube, a monolithic computer, a display of the monolithic computer and an operation keyboard, wherein the vacuum pump system is provided with a negative pressure transducer and an electromagnetic valve which is used for regulating the negative pressure, the operation keyboard is connected with the output end of the negative pressure transducer, and the input end of the electromagnetic valve is connected with an I/O interface of the monolithic computer. The monolithic computer receives setting signals of the operation keyboard and feedback signals of the negative pressure transducer and respectively outputs control signals to the vacuum pump system and the electromagnetic valve. The negative pressure bottle produces the negative pressure for absorption through the drainage tube. The electromagnetic valve regulates the negative pressure of the vacuum pump system. The utility model can conveniently set the value of the negative pressure, the working time, the pausing time, the total working time and raise the automation. An alarm can give the alarm to the underpressure/overpressure of the negative pressure and the low voltage of a battery to enhance the safety and prolong the service life. The utility model can continuously work for a long time with low noise. Therefore, the utility model which can work in a sickroom at night has little influence on a patient's rest.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates to a kind of vacuum extractor particularly.
Background technology
At present, the full-speed operation always when start of general vacuum extractor can only lean on the gas leakage size of pressure regulator valve to control negative pressure, cause that noise is big, energy expenditure is big, negtive-pressure implement can not long time continuous working, and negative pressure can not dynamically be controlled, the control of more unmatchful various treatment times.Therefore can only be used for common suction expectorant, inhale pus, the attraction of the liquid such as liquid of sucking blood, up to the present, also do not have the good substitute products of performance to occur.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and the vacuum extractor of a kind of strict controlled pressure, continuous working period length, security performance and automatization's performance height, long-life, low noise is provided.
This utility model vacuum extractor, comprise vacuum pump system, negative pressure bottle and the drainage tube that is used to be connected drain suit or skin ulcer covering weave, also comprise a single-chip microcomputer and coupled display, described single-chip microcomputer is provided with the operation keyboard that comprises the several parameters setting key, described vacuum pump system is equipped with B/P EGR Back Pressure Transducer EGR and is used to adjust the electromagnetic valve of negative pressure, the output of described operation keyboard and B/P EGR Back Pressure Transducer EGR, and the input of electromagnetic valve links to each other with the I/O interface of single-chip microcomputer respectively, described single-chip microcomputer receives the setting signal of operation keyboard and the feedback signal of B/P EGR Back Pressure Transducer EGR, export control signal respectively to described vacuum pump system and described electromagnetic valve, the negative pressure bottle that links to each other with vacuum pump system provides vacuum suction by described drainage tube, simultaneously, described electromagnetic valve provides the negative pressure adjustment to vacuum pump system.
This utility model vacuum extractor, wherein said operation keyboard is provided with the parameter setup key of " working time ", " intermittent time ", " treatment total time " and " operating pressure " at least, the set point of " working time ", " intermittent time " is 1-99h59m59s, the set point of " treatment total time " is 1-9999h59m, and the set point of " operating pressure " is 0-199mmHg ± 10mmHg.
This utility model vacuum extractor, wherein said vacuum pump system are equipped with manual standby pressure regulator valve simultaneously.
This utility model vacuum extractor, wherein said single-chip microcomputer are provided with the memorizer that is used to preserve the treatment recorded information.
This utility model vacuum extractor, wherein said single-chip microcomputer are connected to the alarm that is used for negative pressure under-voltage and/or negative pressure superpressure and battery low pressure.
This utility model vacuum extractor, it is the chip of PIC16C73 that wherein said single-chip microcomputer adopts model.
This utility model vacuum extractor is owing to adopt precise time control and automatization's control, and beneficial technical effects is: can set negative pressure value, stream time, break time, work total time arbitrarily, improve automatization.This machine is provided with alarm, has realized functions such as negative pressure undervoltage warning, the warning of negative pressure superpressure, has improved safety and life-span, can long time continuous working, and its noise is lower, and is even in the ward or also can work night, very little to patient's rest influence.
Describe the technical scheme of this utility model vacuum extractor in detail below in conjunction with embodiment.
Description of drawings
Fig. 1 is the block diagram of this utility model vacuum extractor;
Fig. 2 a and Fig. 2 b are the circuit diagram of this utility model vacuum extractor.
The specific embodiment
With reference to Fig. 1, the embodiment of this utility model vacuum extractor comprises vacuum pump system, negative pressure bottle and is used to be connected the drainage tube of drain suit or skin ulcer covering weave, also comprises a single-chip microcomputer and coupled display.Single-chip microcomputer is provided with operation keyboard, operation keyboard is provided with the parameter setup key of " working time ", " intermittent time ", " treatment total time " and " operating pressure ", the set point of " working time ", " intermittent time " is 1-99h59m59s, the set point of " treatment total time " is 1-9999h59m, and the set point of " operating pressure " is 0-199mmHg ± 10mmHg.The various working times can be set arbitrarily in set point as required.Vacuum pump system is equipped with B/P EGR Back Pressure Transducer EGR and electromagnetic valve, the output of operation keyboard and B/P EGR Back Pressure Transducer EGR, and the input of electromagnetic valve links to each other with the I/O interface of single-chip microcomputer respectively.Single-chip microcomputer receives the setting signal of operation keyboard and the feedback signal of B/P EGR Back Pressure Transducer EGR, exports the control signal to vacuum pump system and electromagnetic valve respectively, and the negative pressure bottle that links to each other with vacuum pump system provides vacuum suction by drainage tube.Simultaneously, electromagnetic valve provides the negative pressure adjustment to vacuum pump system.
In this utility model vacuum extractor embodiment, single-chip microcomputer is connected to alarm, is used in negative pressure providing when under-voltage and/or negative pressure superpressure and battery low pressure produce audible alarm.
Below, the principle of this utility model vacuum extractor is connected with circuit is described further.With reference to Fig. 2 a and Fig. 2 b, U4 is a single-chip microcomputer, and adopting model is the chip of PIC16C73, and U3 is EPROM (model is 24LC01B).U5, U6 are the signal shaping part: deliver to the U4-2 foot after output signal process U5, U6 (model the is OP07) shaping of B/P EGR Back Pressure Transducer EGR, finish the negative pressure sampling.U1, U2 (model is 74HC595) are used for information and show: U1, the output of U2 links to each other with display as bit scan.
With being connected with of single-chip microcomputer U4:
Operation keyboard is by being connected with U4-14～18 feet, finishes button to the setting of " working time ", " intermittent time ", " treatment total time " and " operating pressure " parameter with read;
U4-21～28 feet link to each other with the section of display, and U4 passes through 3 pins: 11,12,14 foot and U2﹠amp; U3 connects completion bit scanning, and concrete the connection is: U4-11 foot and U2-14 foot, U4-12 foot and U1﹠amp; U2-12 Jiao ﹠amp; 13 feet, U4-14 foot and U1﹠amp; The U2-11 foot links to each other.
The U4-12 foot links to each other with vacuum pump system, implements negative pressure control, links to each other with electromagnetic valve by the U2-5 foot, implements the negative pressure adjustment.
U4 links to each other with buzzer by the U2-4 foot, and the enforcement negative pressure is under-voltage and/or the warning of negative pressure superpressure and battery low pressure.
The memorizer of single-chip microcomputer also is used for preserving the treatment recorded information, by the accumulative total working time that the instruction of operation keyboard can be found vacuum extractor from display, is convenient to assessment apparatus quality and after-sale service.
In other embodiment of this utility model vacuum extractor, vacuum pump system can be equipped with manual standby pressure regulator valve simultaneously.The low pressure alarming of matching battery is equipped with the battery automatic protection circuit simultaneously, to prevent overcharging or putting excessively of battery.
This utility model vacuum extractor has adopted single-chip microcomputer, has realized exporting the control signal to vacuum pump system and electromagnetic valve respectively according to the setting signal that receives operation keyboard and the feedback signal of B/P EGR Back Pressure Transducer EGR.Under the very airtight situation of negative pressure system, produce the negative pressure overshoot when the fast turn-around in order to overcome vacuum pump system, promptly surpass the negative pressure value of setting, and the vacuum pump system running speed is crossed and is occurred in that the running dead angle stops when slow or stuck, provide negative pressure adjustment by electromagnetic valve, avoided the problems referred to above effectively vacuum pump system.In order to make system more reliable, vacuum pump system is equipped with manual standby pressure regulator valve simultaneously.
It is a kind of dynamic control process that the negative pressure bottle of this control system provides vacuum suction by drainage tube, has expanded range of application and the treatment target of vacuum extractor in clinical.This machine can be widely used in negative pressure drainage and the negative pressure treatment of inhaling expectorant, inhaling various skin ulcer faces such as pus, gastrointestinal constant drainage, breast, intraperitoneal drainage, becomes the well behaved regeneration product of a kind of automatization.
Claims (6)
1. vacuum extractor, comprise vacuum pump system, negative pressure bottle and the drainage tube that is used to be connected drain suit or skin ulcer covering weave, it is characterized in that: also comprise a single-chip microcomputer and coupled display, described single-chip microcomputer is provided with the operation keyboard that comprises the several parameters setting key, described vacuum pump system is equipped with B/P EGR Back Pressure Transducer EGR and is used to adjust the electromagnetic valve of negative pressure, the output of described operation keyboard and B/P EGR Back Pressure Transducer EGR, and the input of electromagnetic valve links to each other with the I/O interface of single-chip microcomputer respectively, described single-chip microcomputer receives the setting signal of operation keyboard and the feedback signal of B/P EGR Back Pressure Transducer EGR, export control signal respectively to described vacuum pump system and described electromagnetic valve, the negative pressure bottle that links to each other with vacuum pump system provides vacuum suction by described drainage tube, simultaneously, described electromagnetic valve provides the negative pressure adjustment to vacuum pump system.
2. vacuum extractor according to claim 1, it is characterized in that: wherein said operation keyboard is provided with the parameter setup key of " working time ", " intermittent time ", " treatment total time " and " operating pressure " at least, the set point of " working time ", " intermittent time " is 1-99h59m59s, the set point of " treatment total time " is 1-9999h59m, and the set point of " operating pressure " is 0-199mmHg ± 10mmHg.
3. vacuum extractor according to claim 1 and 2 is characterized in that: wherein said vacuum pump system is equipped with manual standby pressure regulator valve simultaneously.
4. vacuum extractor according to claim 3 is characterized in that: wherein said single-chip microcomputer is provided with the memorizer that is used to preserve the treatment recorded information.
5. vacuum extractor according to claim 4 is characterized in that: wherein said single-chip microcomputer is connected to the alarm that is used for negative pressure under-voltage and/or negative pressure superpressure and battery low pressure.
6. vacuum extractor according to claim 5 is characterized in that: it is the chip of PIC16C73 that wherein said single-chip microcomputer adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520016000 CN2805782Y (en) | 2005-04-18 | 2005-04-18 | Vacuum suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520016000 CN2805782Y (en) | 2005-04-18 | 2005-04-18 | Vacuum suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2805782Y true CN2805782Y (en) | 2006-08-16 |
Family
ID=36920086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520016000 Expired - Fee Related CN2805782Y (en) | 2005-04-18 | 2005-04-18 | Vacuum suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2805782Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829390A (en) * | 2010-04-28 | 2010-09-15 | 北京航空航天大学 | Negative-pressure sealed drainage system suitable for wound rehabilitation |
| CN102068750A (en) * | 2011-01-26 | 2011-05-25 | 惠州市华阳多媒体电子有限公司 | System equipment management-based negative pressure wound therapy system |
| US8328776B2 (en) | 2006-09-19 | 2012-12-11 | Kci Licensing, Inc. | Reduced pressure treatment system having blockage clearing and dual-zone pressure protection capabilities |
| US8366690B2 (en) | 2006-09-19 | 2013-02-05 | Kci Licensing, Inc. | System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system |
| US8366691B2 (en) | 2008-08-08 | 2013-02-05 | Kci Licensing, Inc | Reduced-pressure treatment systems with reservoir control |
| US8409170B2 (en) | 2007-02-09 | 2013-04-02 | Kci Licensing, Inc. | System and method for managing reduced pressure at a tissue site |
| US8827967B2 (en) | 2007-02-20 | 2014-09-09 | Kci Licensing, Inc. | System and method for distinguishing leaks from a disengaged canister condition in a reduced pressure treatment system |
| CN105147509A (en) * | 2015-08-14 | 2015-12-16 | 成都千里电子设备有限公司 | Therapeutic apparatus system based on pressure therapy |
| CN105193606A (en) * | 2015-08-14 | 2015-12-30 | 成都千里电子设备有限公司 | Therapeutic apparatus system beneficial to convenience in use |
| CN105477695A (en) * | 2016-01-19 | 2016-04-13 | 戴慧芳 | Embedment-based negative pressure drainage apparatus for emergency treatment |
| CN105536081A (en) * | 2016-01-22 | 2016-05-04 | 长江大学 | Full-automatic body cavity effusion and pneumatosis extraction instrument |
| CN106474577A (en) * | 2016-11-30 | 2017-03-08 | 杭州依技设备成套工程有限公司 | Lower negative pressure suction controller |
| CN106823021A (en) * | 2015-12-03 | 2017-06-13 | 3M创新有限公司 | Negative pressure drainage regulator, system and its control method including the device |
-
2005
- 2005-04-18 CN CN 200520016000 patent/CN2805782Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8328776B2 (en) | 2006-09-19 | 2012-12-11 | Kci Licensing, Inc. | Reduced pressure treatment system having blockage clearing and dual-zone pressure protection capabilities |
| US8366690B2 (en) | 2006-09-19 | 2013-02-05 | Kci Licensing, Inc. | System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system |
| CN101605568B (en) * | 2007-02-09 | 2013-07-31 | 凯希特许有限公司 | System and method for managing reduced pressure at a tissue site |
| US8409170B2 (en) | 2007-02-09 | 2013-04-02 | Kci Licensing, Inc. | System and method for managing reduced pressure at a tissue site |
| US8827967B2 (en) | 2007-02-20 | 2014-09-09 | Kci Licensing, Inc. | System and method for distinguishing leaks from a disengaged canister condition in a reduced pressure treatment system |
| US8366691B2 (en) | 2008-08-08 | 2013-02-05 | Kci Licensing, Inc | Reduced-pressure treatment systems with reservoir control |
| CN101829390A (en) * | 2010-04-28 | 2010-09-15 | 北京航空航天大学 | Negative-pressure sealed drainage system suitable for wound rehabilitation |
| CN101829390B (en) * | 2010-04-28 | 2012-05-30 | 北京航空航天大学 | Negative-pressure sealed drainage system suitable for wound rehabilitation |
| CN102068750A (en) * | 2011-01-26 | 2011-05-25 | 惠州市华阳多媒体电子有限公司 | System equipment management-based negative pressure wound therapy system |
| CN102068750B (en) * | 2011-01-26 | 2013-05-15 | 惠州市华阳医疗电子有限公司 | System equipment management-based negative pressure wound therapy system |
| CN105147509A (en) * | 2015-08-14 | 2015-12-16 | 成都千里电子设备有限公司 | Therapeutic apparatus system based on pressure therapy |
| CN105193606A (en) * | 2015-08-14 | 2015-12-30 | 成都千里电子设备有限公司 | Therapeutic apparatus system beneficial to convenience in use |
| CN106823021A (en) * | 2015-12-03 | 2017-06-13 | 3M创新有限公司 | Negative pressure drainage regulator, system and its control method including the device |
| CN106823021B (en) * | 2015-12-03 | 2021-08-13 | 3M创新有限公司 | Negative pressure drainage pressure regulating device, system comprising same and control method thereof |
| CN105477695A (en) * | 2016-01-19 | 2016-04-13 | 戴慧芳 | Embedment-based negative pressure drainage apparatus for emergency treatment |
| CN105536081A (en) * | 2016-01-22 | 2016-05-04 | 长江大学 | Full-automatic body cavity effusion and pneumatosis extraction instrument |
| CN106474577A (en) * | 2016-11-30 | 2017-03-08 | 杭州依技设备成套工程有限公司 | Lower negative pressure suction controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20130418 |