CN205198263U - Middle ear negative pressure therapeutic instrument system is pressed in automatic accuse of electronic type - Google Patents
Middle ear negative pressure therapeutic instrument system is pressed in automatic accuse of electronic type Download PDFInfo
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- CN205198263U CN205198263U CN201520935842.6U CN201520935842U CN205198263U CN 205198263 U CN205198263 U CN 205198263U CN 201520935842 U CN201520935842 U CN 201520935842U CN 205198263 U CN205198263 U CN 205198263U
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Abstract
The utility model discloses a middle ear negative pressure therapeutic instrument system is pressed in automatic accuse of electronic type, but including therapeutic instrument body and the nasal cavity joint that the plug was changed. Install an electronic air pump in the body, electronic air pump is connected the nasal cavity through a trachea and is connected, forms the closed airflow channel who connects from air pump to nasal cavity. Be provided with a baroceptor and a pressure relief device in this closure airflow channel the surface of body sets up and shows and atmospheric pressure value selection input device that above -mentioned device is by the control circuit connection control of setting in the body. Control circuit receives the setting that comes from the atmospheric pressure value and select input device, drives electronic air pump and aerifys the pressurization to closed airflow channel to immediately, read baroceptor pressure value, maintain atmospheric pressure selection input device's the value of setting through aerifing pressurization and pressure relief device's the cooperation air pressure in with closed airflow channel. The utility model discloses can realize the automatic adjustment and the overvoltage protection of atmospheric pressure, convenient operation, it is safe in utilization, reliable.
Description
Technical field
This utility model relates to armarium, in particular to a kind of electronic type automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, in a closed gas channel, air pressure is produced by EAP Electronic Air Pump, an electronic regulating circuit reads the atmospheric pressure value closed in gas channel, control air pump and air overflow device (pressure relief device) to carry out precisely regulating to the air pressure in this closed gas channel and realize the combination of best air pressure simultaneously, reach the effect of safe treatment Negative middle ear pressure.
Background technology
Secretory otitis media and Eustachian tube disfunction are a kind of commonly encountered diseases, frequently-occurring disease, are especially more common in child.Mishandling secretory otitis media and Eustachian tube disfunction can cause chronic otitis media, otitis media adhesion, sclerosis and cholesterol granuloma, Negative middle ear pressure, otopiesis, be the one of the main reasons of Secondary cases deafness, the language of child, the growth of dialogue and cognitive competence and development may be badly influenced.According to statistics: the U.S. has more than 3,000 ten thousand patients with secretory otitis medias to seek medical advice every year, the burden of more than 40 hundred million dollars is increased every year to American Medical Systems; The sickness rate of China's report children with otitis media with effusion is about about 4.25%, and Children in Hong Kong incidence of otitis media with effusion rate is even higher than 7%.
Although for the origin cause of formation of chronic otitis media and pathogenesis educational circles suggestion and disunity and there is certain discussion, but the otitis media chronic phase improved in inflammation or recovered, is generally approved by educational circles, stop using antibiotic, get through pharyngotympanic tube passage, in balance, external ear pressure eradicates otalgia, ear is vexed, tinnitus symptom, the most effective means preventing audition from declining further.U.S. Patent number US2009/0126738A1 discloses one " middle ear pressure bascule and Stress control thereof " technical scheme, what this technical scheme adopted is a kind of mechanical type regulator, regulated the air pressure in pressure channel by the degree of tightness of a spring, range of error is large; Its solid mechanical structure limits simultaneously and allows the force value gear arranged more than 2, can not cannot adapt to the demand that patient is arranged different pressures because of individual reason; The structural adjustment mode patient of mechanical compression setting device is difficult to a hands and completes, self-inconvenient operation; Particularly this frame for movement cannot show the force value in current pressure passage, once mechanical pressure control device breaks down, patient is difficult to discover, and too high treatment pressure can bring unnecessary injury to patient.
Summary of the invention
The purpose of this utility model is to provide a kind of electronic type automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, read the data being arranged on baroceptor in closed gas channel by an electronic control unit, control EAP Electronic Air Pump is to closed gas channel input air-flow pressurization and control the accurate control of gas overflowing device (pressure relief device) decompression realization to air pressure in closed gas channel simultaneously.And by cutting off the overvoltage protection that the mode of powering to EAP Electronic Air Pump realizes patient.Display device provides instant pressure to show to patient, guarantees that the effective information between patient and therapy system is linked up.
To achieve these goals, the technical solution of the utility model is:
Electronic type automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, comprise therapeutic instrument body, the front end of body is a nasal cavity joint, gas passage orifice is had in nasal cavity joint, an electric air pump is installed in the body, it is characterized in that, described nasal cavity joint is the nasal cavity joint of a pluggable replacing, electric air pump connects nasal cavity joint by a trachea and is formed from air pump to the gas channel of nasal cavity joint, a baroceptor is provided with in described gas channel, the outer surface of described body is provided with display screen and atmospheric pressure value selection input equipment, described atmospheric pressure value selects input equipment to arrange control circuit connection control in the body by one, control circuit receives the setting selecting input equipment from atmospheric pressure value, drive electric air pump to closed gas channel inflating pressure, and instant reading baroceptor force value, the air pressure in closed gas channel is made to maintain the settings of air pressure selection input equipment.
Scheme is further: described nasal cavity joint is by bayonet socket or be threaded on body, is provided with defecator and prevents dust and microgranule from acting in gas channel between nasal cavity joint and body.
Scheme is further: described baroceptor with the trachea between electric air pump is connected a pressure relief device, the signal output part of the control end connection control circuit of pressure relief device.
Scheme is further: described atmospheric pressure value selects input equipment to be arranged on the outer surface of described therapeutic instrument body, at least comprise GSS Gear Select Switch circuit more than, many GSS Gear Select Switch circuit selects signal to be input to control circuit signal input part by selecting different potentials value or unlike signal combination as air pressure.
Scheme is further: described atmospheric pressure value selects input equipment also to comprise an air pressure vernier knob circuit, and a continually varying voltage signal is passed to control circuit signal input part through A/D change-over circuit by turning knob by described air pressure vernier knob circuit.
Scheme is further: described control circuit is the microcontroller circuit with programmed process function.
The beneficial effects of the utility model are: this utility model can realize automatic adjustment and the overvoltage protection of air pressure; setting and the adjustment for the treatment of air pressure at many levels can be realized very easily; be easy to carry; field of employment is not limit; can be hospital, residence, office; school/kindergarten, Reiseziel etc.Easy and simple to handle, use safety, reliable.
Below in conjunction with drawings and Examples, this utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure effect schematic diagram;
Fig. 2 is this utility model control circuit logical schematic.
Detailed description of the invention
Electronic type automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, as depicted in figs. 1 and 2, comprise a nasal cavity joint 1, nasal cavity joint is for connecting patient's nasal cavity, the front end of nasal cavity joint is circular shape, what rear end connected is therapeutic instrument body 2, gas passage orifice 101 is had in nasal cavity joint, the front end of nasal cavity joint is gas channel outlet 102, an electric air pump 3 is installed in the body, electric air pump connects nasal cavity joint by a trachea 4 and is formed from air pump to the gas channel of nasal cavity joint, when nasal cavity joint connects the import of patient's nasal cavity, and when nasal cavity outlet is blocked, gas channel just defines a closed gas channel, a baroceptor 5 is provided with in described gas channel, at the outer surface of described body, LCDs 6 and atmospheric pressure value selection input equipment 7 are set, a control circuit 8 arranges in the body, described atmospheric pressure value selects input equipment by described control circuit connection control, control circuit receives the setting selecting input equipment from atmospheric pressure value, drive electric air pump to closed gas channel inflating pressure, and instant reading baroceptor force value, the air pressure in closed gas channel is made to maintain the settings of air pressure selection input equipment.Control circuit signalization input/output terminal and display screen interface, display screen interface connects display screen, the signal that signal input part connects baroceptor respectively exports and atmospheric pressure value selection input equipment output, and signal output part connects electric air pump, is provided with battery 9 in body.
In embodiment: in order to meet sterilisation purpose and prevent cross infection, described nasal cavity joint is independent of body, it is a nasal cavity joint that can plug replacing on body, it is by bayonet socket or be threaded on body, be provided with between plug and body as defecator, have drainage screen 10 in device, drainage screen enters gas channel for stoping dust and dirt particulate, and can change at any time.
In embodiment: the electric air pump motor in such scheme is that a DC micromotor directly can regulate the air-flow in closed gas channel to export and air pressure by the voltage input of regulable control motor, control circuit receives the setting selecting input equipment from atmospheric pressure value, drive electric air pump to closed gas channel inflating pressure, and instant reading baroceptor force value, control motor input voltage, thus make the air pressure in closed gas channel maintain the settings of air pressure selection input equipment.But this control can make some useless merits of the loss of power.
Therefore, as a preferred version: in embodiment, described baroceptor with the trachea between electric air pump is connected in series a pressure relief device 11(air overflow device), described pressure relief device is the pressure relief device controlled by electromagnetic type ratio adjusting valve, the signal input part of the control end connection control circuit of electromagnetic type ratio adjusting valve.Control circuit receives the setting selecting input equipment from atmospheric pressure value, drive electric air pump to gas channel inflating pressure, and instant reading baroceptor force value, by the cooperation of inflating pressure and pressure relief device, the air pressure in gas channel is maintained the settings that air pressure selects input equipment simultaneously.
Certain: to control there is various ways as electronics pressure release, such as, can also be closed by switch and control pressure release, as: breakpoint controls, a gauge tap, the solenoid controlled that the opening and closing of relief valve is handled by ECU (electronic control unit).Its principle: during power-off, iron core is directly pressed on valve seat by spring, makes valve closing.During coil electricity, produce electromagnetic force and overcome spring force iron core is mentioned, thus open valve; As wanted continuous control, by automatically controlled mode (inputting different magnitudes of voltage or current value), can as required, open arbitrarily angled, control the size by pressure or flow thus, such as: proportioning valve, servo valve; Principle: electric Proportion valve output changes with the change of input quantity (current value or magnitude of voltage), there is certain proportionate relationship between output and input quantity.
In embodiment: conveniently one holds finger while body connects nasal cavity joint and side nasal cavity and still can adjust setting air pressure, described atmospheric pressure value selects input equipment to be arranged on the outer surface of the described body of nasal cavity joint lower end, wherein, device at least comprises GSS Gear Select Switch circuit more than, as shown in Figure 2, many GSS Gear Select Switch circuit selects signal to be input to control circuit signal input part by selecting different potentials value (utilizing band switch to select difference current potential) 701 or unlike signal combination (utilizing two decoding circuits to export " 00 " " 01 " " 10 " " 11 ") 702 as air pressure.
In embodiment: described air pressure selects input equipment also to comprise an air pressure vernier knob circuit 703, and a continually varying voltage signal is passed to control circuit signal input part through A/D change-over circuit 704 by turning knob by described air pressure vernier knob circuit.
As a kind of Programmed control: described control circuit 8 is the microcontroller circuits with programmed process function.
Above-described embodiment specific operation process is: opening power, the button of input equipment or knob is selected to select an air pressure threshold value by atmospheric pressure value, the venthole of nasal cavity joint is connected patient side nasal cavity and seals, seal opposite side nasal cavity and oral cavity simultaneously, press start button and start electric air pump work output gas flow; The air-flow input continued forms required air pressure in closed gas channel.
Wherein: forming required air pressure in described passage is an equilibrium air pressure, and the control method of equilibrium air pressure comprises air pressure balance job step gentle pressure overvoltage protection job step.
Described air pressure balance job step is: obtain atmospheric pressure value by the baroceptor that arranges in closed gas channel and with air pressure threshold value be set compare, when atmospheric pressure value is lower than when arranging air pressure threshold value, the input voltage improving electric air pump strengthens the output of electric air pump output gas flow; When atmospheric pressure value is higher than when arranging air pressure threshold value, the input voltage reducing electric air pump reduces the output of electric air pump output gas flow, and the atmospheric pressure value remaining closed gas channel meets the air pressure threshold value of setting; Or keep the atmospheric pressure value of gas channel to be equilibrated at the air pressure threshold value of setting by the folding size controlling pressure relief device;
Described air pressure overvoltage protection job step is: after the input voltage reducing electric air pump reduces the output of electric air pump output gas flow, gas channel atmospheric pressure value is still greater than a second higher than atmospheric pressure value threshold value, cuts off the power supply of electric air pump; Or after the folding size of adjustment pressure relief device, closed gas channel atmospheric pressure value is still greater than a second higher than arranging air pressure threshold value, cuts off the power supply of electric air pump.
Gas pressure range in closed gas channel described in embodiment is 1kpa-200kpa.
In the above-mentioned methods: describedly the atmospheric pressure value of gas channel and threshold value are comprised more further by the composition and division in a proportion of the atmospheric pressure value of gas channel and threshold value and micro-adjusted value comparatively, wherein, described micro-adjusted value realizes by rotating air pressure vernier knob, and its micro-adjusted value scope is 1kpa to 10kpa.
Claims (6)
1. electronic type automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, comprise therapeutic instrument body, the front end of body is a nasal cavity joint, gas passage orifice is had in nasal cavity joint, an electric air pump is installed in the body, it is characterized in that, described nasal cavity joint is the nasal cavity joint of a pluggable replacing, electric air pump connects nasal cavity joint by a trachea and is formed from air pump to the gas channel of nasal cavity joint, a baroceptor is provided with in described gas channel, the outer surface of described body is provided with display screen and atmospheric pressure value selection input equipment, described atmospheric pressure value selects input equipment to arrange control circuit connection control in the body by one, control circuit receives the setting selecting input equipment from atmospheric pressure value, drive electric air pump to closed gas channel inflating pressure, and instant reading baroceptor force value, the air pressure in closed gas channel is made to maintain the settings of air pressure selection input equipment.
2. electronic type according to claim 1 automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, it is characterized in that, described nasal cavity joint is by bayonet socket or be threaded on body, is provided with defecator and prevents dust and microgranule from acting in gas channel between nasal cavity joint and body.
3. electronic type according to claim 1 and 2 automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, it is characterized in that, described baroceptor with the trachea between electric air pump is connected a pressure relief device, the signal output part of the control end connection control circuit of pressure relief device.
4. electronic type according to claim 3 automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, it is characterized in that, described atmospheric pressure value selects input equipment to be arranged on the outer surface of described therapeutic instrument body, at least comprise GSS Gear Select Switch circuit more than, many GSS Gear Select Switch circuit selects signal to be input to control circuit signal input part by selecting different potentials value or unlike signal combination as air pressure.
5. electronic type according to claim 1 automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, it is characterized in that, described atmospheric pressure value selects input equipment also to comprise an air pressure vernier knob circuit, and a continually varying voltage signal is passed to control circuit signal input part through A/D change-over circuit by turning knob by described air pressure vernier knob circuit.
6. electronic type according to claim 4 automatic pressure-controlled Negative middle ear pressure therapeutic instrument system, is characterized in that, described control circuit is the microcontroller circuit with programmed process function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520935842.6U CN205198263U (en) | 2015-11-23 | 2015-11-23 | Middle ear negative pressure therapeutic instrument system is pressed in automatic accuse of electronic type |
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| CN201520935842.6U CN205198263U (en) | 2015-11-23 | 2015-11-23 | Middle ear negative pressure therapeutic instrument system is pressed in automatic accuse of electronic type |
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| CN205198263U true CN205198263U (en) | 2016-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105250072A (en) * | 2015-11-23 | 2016-01-20 | 胡琦 | Electronic automatic pressure control middle ear negative pressure therapeutic equipment system and method |
| CN107007393A (en) * | 2017-05-22 | 2017-08-04 | 尚祎辰 | Air pressure self-balancing ear muffler and its control method |
| CN109350359A (en) * | 2018-11-13 | 2019-02-19 | 佛山市第人民医院（中山大学附属佛山医院） | Eustachian tube aspirator |
| CN110101530A (en) * | 2019-06-15 | 2019-08-09 | 吉林大学 | A kind of balance adjustment ear canal eardrum external and internal pressure device |
-
2015
- 2015-11-23 CN CN201520935842.6U patent/CN205198263U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105250072A (en) * | 2015-11-23 | 2016-01-20 | 胡琦 | Electronic automatic pressure control middle ear negative pressure therapeutic equipment system and method |
| CN107007393A (en) * | 2017-05-22 | 2017-08-04 | 尚祎辰 | Air pressure self-balancing ear muffler and its control method |
| CN109350359A (en) * | 2018-11-13 | 2019-02-19 | 佛山市第人民医院（中山大学附属佛山医院） | Eustachian tube aspirator |
| CN110101530A (en) * | 2019-06-15 | 2019-08-09 | 吉林大学 | A kind of balance adjustment ear canal eardrum external and internal pressure device |
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Effective date of registration: 20220921 Address after: Room 1, Room 802, 7th Floor, No. 218, Tangli Road, Chaoyang District, Beijing 100012 Patentee after: Beijing zhuochi Technology Co.,Ltd. Address before: No. 10, Building 1, Park Avenue, No. 6, Chaoyang Park South Road, Chaoyang District, Beijing 100022 Patentee before: Hu Qi |