CN201356827Y - Intelligent type full thoracic high-frequency oscillation phlegm-discharging machine - Google Patents
Intelligent type full thoracic high-frequency oscillation phlegm-discharging machine Download PDFInfo
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- CN201356827Y CN201356827Y CNU2009200109136U CN200920010913U CN201356827Y CN 201356827 Y CN201356827 Y CN 201356827Y CN U2009200109136 U CNU2009200109136 U CN U2009200109136U CN 200920010913 U CN200920010913 U CN 200920010913U CN 201356827 Y CN201356827 Y CN 201356827Y
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Abstract
The utility model discloses an intelligent type full thoracic high-frequency oscillation phlegm-discharging machine, which comprises a hose, a pressure sensor, wires, a supply device, a housing, a cover plate, a pressure vest, an air oscillation machine and a cough sensor, wherein, the pressure vest consists of a metal spring ring, a horizontal diaphragm, a longitudinal diaphragm, an sheath and a thread gluing, the metal spring ring is mounted on the bottom portion of the sheath, the horizontal diaphragm is mounted above the metal spring ring, the longitudinal diaphragm is mounted on the internal portion of the sheath, an upper end of the longitudinal diaphragm is connected with an upper edge of the internal wall of the sheath, a lower end is perpendicular to the horizontal diaphragm and keeps a gap, fixed two-point protothorax wall pulses cannot clap on the lateral and back sides of thoracic apertures, and phlegm-discharging effects to partial patients are not well. By adopting the simultaneous oscillation of full thoracic apertures in the working mode of the utility model, the full thoracic apertures can be simultaneously clapped by pulsed air-flow when in treatment, the effects of stimulating cough and discharging phlegm are better than that of one-point or two-point clapping.
Description
Technical field
This utility model relates to a kind of vibration sputum elimination machine, relates in particular to a kind of intelligent full thoracic cavity higher-order of oscillation sputum elimination machine, is used for medical field.
Background technology
For healthy people, remove the mucous process of respiratory tract and be accompanied by normal mucosa ciliary movement and cough usually.Under the normal condition, this method for cleaning is very effective.Normally clear up passage when mucus and damage, perhaps during respiratory tract mucus supersecretion, secretions such as mucus will be piled up in pulmonary, cause serious disease, hypoxemia for example, hypercapnia, chronic bronchitis, pneumonia.These diseases have a strong impact on patient's quality of life, even can cause death.May cause that the unusual disease of respiratory tract mucus cleaning comprises: infectious disease such as influenza, SARS, bird flu, pertussis; Genetic correlation disease such as cystic fibrosis, pulmonary atelectasis is levied, bronchiectasis, lung qi leaks, and Vitamin A lacks, chronic obstructive disease of lung, asthma, immobile cilia syndrome.Smoking, the suck pollution air also can influence the mucus clearing function.Postoperative patient, the paralytic has the neonate of respiratory disease symptom the phenomenon that the mucus clearing function descends also can occur.
Physiotherapy of chest has very long clinical practice history, and is very effective, is one of various countries' standard medical method of improving respiratory tract mucus clearing function.The kind of physiotherapy of chest comprises: manually kowtow back of the body expectoration, external bobbing machine expectoration.
Manually kowtowing back of the body expectoration treats and carries out one to four general every day.During treatment, the patient lies down (conversion in 12 kinds of postures of regulation), and the treatment personnel pat at patient's chest and back and knock.In order to treat whole pulmonary, beaing needs to continue 45 minutes, and concomitant drugs suck treatment simultaneously.In order to clear up the mucus deposit, need beat chest during treatment by the mucus loose or dislocation, discharge from the oral cavity by initiatively coughing then.Physiotherapy of chest needs the treatment personnel to help, and is generally the household, if household's inconvenience also can be nurse or Pneumology Department doctor.This Therapeutic Method, not only the patient is tired, and the treatment personnel are also tired.It is very general problem that patient and treatment personnel do not implement treatment on request, and this will make medical effect have a greatly reduced quality.In addition, the effect of this physiotherapy of chest also depends on treatment personnel's technology, and when the treatment people was tired, effect will reduce.Because the method needs other people's help, has seriously limited patient's probability of treatment voluntarily.Kowtowing back of the body expectoration for a long time repeatedly very easily makes medical personnel by pathogenic infection.
External vibration sputum elimination machine was brought into use in China before and after 2003.It pats thoracic wall repeatedly by the vibration that hand-hold electric massage rod produces, and the beating action of staff makes pulmonary's mucus come off, be focused to big air flue when imitating artificial expectoration, can inhale expectorant by cough or negative pressure and be excreted.External vibration sputum elimination machine can carry out standardization setting to intensity, frequency, the time of massage bar vibration, has improved the random and uncertain of traditional method, is that the big-and-middle-sized hospital of present China uses the widest auxiliary expectoration method.Yet this equipment just replaces traditional staff to pat with massage bar, and it can't overcome both common defectives:
1, the treatment overall process needs the therapist to operate, and will take valuable manpower in hospital serious symptom lesion, and patient also can not oneself operate when using in family;
2, therapist tired or lack experience all can make therapeutic effect have a greatly reduced quality;
3, can only pat a position at massage head place at every turn, can not pat the expectoration poor effect simultaneously to full thorax;
4, need patient to change 12 kinds of different positions, to reach effect preferably, patient is tired easily, and the critical patient can't cooperate;
5, in the nursing of some highly infective diseases, nursing such as in-plant beating allows the therapist be infected by the patient easily repeatedly.
In recent years abroad also at research and development, improvement vest type air pulse sputum elimination machine.The pneumatic pressure pulses machine is inflated venting repeatedly to two air bags that are fixed in the vest front, and each pressurization will force air-flow to pass through the lobe of the lung fast, promotes the secretion deposit and comes off from the lung wall, and move to the oral cavity; After arriving the oral cavity, inhale expectorant by normal cough or negative pressure and just can discharge.Its full-automatic operation, the canonical parameter setting has overcome the drawback of preceding two kinds of methods substantially.New problem: the thoracic wall pulse can't be patted the thorax side and the back side before the fixed two point form, to part patient expectoration poor effect; Carry out treatment procedure by standard fully behind the treatment parameter setting, even brought out patient's cough, still therapy discontinued not may produce the long-time continuous cough, causes consuming danger such as a large amount of muscle power and Hyperventilation.
Summary of the invention
This utility model is at the proposition of above problem, and develops a kind of new intelligent full thoracic cavity higher-order of oscillation sputum elimination machine, is intended to come off, assemble by overcoming the dope that above-mentioned shortcoming and defective make the patient respiration road, stimulates patient to cough, and reaches the purpose of expectoration.
Technical solution of the present utility model is achieved in that
A kind of intelligent full thoracic cavity higher-order of oscillation sputum elimination machine, comprise flexible pipe, pressure transducer, lead, electric supply installation, casing, cover plate, it is characterized in that: also comprise pressure vest, air vibrating machine and cough pick off, wherein the pressure vest is made of metal spring circle, horizontal diaphragm, vertical barrier film, epidermis and thread gluing, the metal spring circle is installed on the epidermis bottom, horizontal diaphragm is installed on metal spring circle top, vertically barrier film is installed in epidermis inside, vertically the barrier film upper end is connected with epidermis inwall upper edge, and the lower end is perpendicular to horizontal diaphragm and leave the space; Pick off is connected on the air vibrating machine as input, and lead connects cough pick off and air vibrating machine, and flexible pipe is connected with the outfan of air vibrating machine; Electric supply installation links to each other with air vibrating machine switch.
The air vibrating machine is made of cough pick off, frequency-voltage conversion circuit, impulse regulator, pneumatic pressure pulses actuator, air pressure peak detection circuit, power amplifier, motor, atmospheric pressure compensating machine; Pressure transducer detects pressure signal and will be input in the frequency-voltage conversion circuit, and the signal after the conversion is sent into impulse regulator, sends into motor after the adjusting; Pressure transducer also is connected with the air pressure peak detection circuit as the input of air pressure peak detection circuit simultaneously, the signal that produces in the air pressure peak detection circuit is sent into the pneumatic pressure pulses actuator, after regulating by analysis signal is sent in the atmospheric pressure compensating machine, the atmospheric pressure compensating machine links to each other with motor, and the outfan of motor links to each other with flexible pipe; The cough induction apparatus links to each other with power amplifier as input, and the signal after the amplification links to each other with switch.
The cough induction apparatus is installed in top, the inboard thoracic cavity of pressure vest; The frequency input is installed in the frequency-voltage conversion circuit; The air pressure input is installed in the air pressure testing circuit; Timing means is connected with motor, and regularly input is fixing on the cover board, and regularly the outfan of input links to each other with the input of timing means.
Pressure vest inner transverse barrier film is installed on metal spring circle top, and horizontal diaphragm is provided with air passing hole; Vertically the barrier film upper end is connected epidermis inside, and the lower end is vertical with horizontal diaphragm, does not contact to leave the space, and vertically barrier film is divided into vertical air chamber with epidermis inside; Epidermis is made of airtight material, and the pressure vest wraps in torso model wherein, finishes fixing by thread gluing.
The epidermis upper end is provided with pore, and pore is communicated with vertical air chamber.
Casing is packaged into an integral body with the air vibrating machine, and cover plate is installed on the casing.
The utility model has the advantages that conspicuous:
1, this utility model working method adopts full thorax to vibrate simultaneously, and full thorax is bounced by air pulse simultaneously during treatment, and the effect of irritative cough and expectoration is better than some formulas or two point form bounces.
2, this utility model adopts the intelligence of motor, the atmospheric pressure compensating machine mode of supplying gas, and sending in the pressure vest of air pulse periodic can be regulated according to the different press degrees of patient's needs, greatly facilitates the treatment to dissimilar patients.
3, this utility model makes under different situations by the gentle voltage crest value of frequency feedback control system, and the gentle voltage crest value of the frequency of output gas flow is always user's setting value, guarantee to treat effectively.
4, the utlity model has the cough detecting system, system can turn off power supply automatically when cough continuously takes place user, stop treatment, promptly guarantee to avoid the long danger that physical demands is excessive and Hyperventilation causes of coughing and causing of user, guaranteed the safety of patient under unmanned situation of nursing again.
5, this utility model using method simple, be applicable to that medical institutions and patient family use, when implementing treatment, do not need special people and aside safeguard, save manpower.
Description of drawings
This utility model drawings attached 4 width of cloth:
Fig. 1 is this utility model hardware configuration sketch map;
Fig. 2 is the structure chart of this utility model pressure vest;
Fig. 3 is the fundamental diagram of this utility model pressure vest;
Fig. 4 is this utility model air vibrating machine circuit block diagram.
Among the figure: 1, flexible pipe, 2, pressure transducer, 3, the cough pick off, 4, lead, 5, electric supply installation, 6, casing, 7, cover plate, 8, the pressure vest, 9, the air vibrating machine, 10, the metal spring circle, 11, horizontal diaphragm, 12, vertical barrier film, 13, epidermis, 14, thread gluing, 15, frequency-voltage conversion circuit, 16, impulse regulator, 17, the pneumatic pressure pulses actuator, 18, the air pressure testing circuit, 19, power amplifier, 20, motor, 21, the atmospheric pressure compensating machine, 22, the frequency input, 23, the air pressure input, 24, pore, 25, vertical air chamber, 26, switch, 27, pore, 28, torso model, 29, timing means, 30, the timing input.
The specific embodiment
In specific embodiment:
Intelligent full thoracic cavity higher-order of oscillation sputum elimination machine as shown in Figure 1 comprises flexible pipe 1, cough cough pick off 3, lead 4, casing 6, cover plate 7, pressure vest 8, frequency input 22, air pressure input 23, switch 26, timing input 30; The air vibrating machine 9 that flexible pipe 1 connects in pressure vest 8 and the casing 6, pressure pressure transducer 2 is installed on lead 4 one ends, and the other end of lead 4 is connected with air vibrating machine 9; Frequency input 22, air pressure input 23, switch 26, timing input 30 are installed in respectively on the cover plate 7.
As Fig. 2～pressure vest 8 shown in Figure 3, comprise that metal spring circle 10, horizontal diaphragm 11, vertical barrier film 12, epidermis 13, thread gluing 14 constitute, vertical barrier film 12 upper ends and epidermis 13, vertically barrier film 12 is seen the skies in the epidermis 13 and is divided into vertical air chamber 25, epidermis 13 interior lower end are equipped with metal spring circle 10, horizontal diaphragm 11 is installed above metal spring circle 10, is left pore 24 in the middle of the horizontal diaphragm 11, thread gluing 14 is installed in epidermis 13 left and right sides.
As shown in Figure 4, air vibrating machine 9 is made of cough cough pick off 3, frequency-voltage conversion circuit 15, impulse regulator 16, pneumatic pressure pulses actuator 17, air pressure peak detection circuit 18, power amplifier 19, motor 20, atmospheric pressure compensating machine 21; Pressure pressure transducer 2 detects pressure signal and will be input in the frequency-voltage conversion circuit 15, and the signal after the conversion is sent into impulse regulator 16, sends into motor 20 after the adjusting; Pressure pressure transducer 2 also is connected with air pressure peak detection circuit 18 as the input of air pressure peak detection circuit 18 simultaneously, the signal that produces in the air pressure peak detection circuit 18 is sent into pneumatic pressure pulses actuator 17, after regulating by analysis signal is sent in the atmospheric pressure compensating machine 21, atmospheric pressure compensating machine 21 links to each other with motor 20, and the outfan of motor 20 links to each other with flexible pipe 1; Cough induction apparatus 3 links to each other with power amplifier 19 as input, and the signal after the amplification links to each other with switch 26; Regularly input 30 connects timing means 29, and the outfan of timing means 29 links to each other with motor 20.
In use, earlier pressure vest 8 is trapped among on the torso model (28), by thread gluing 14 pressure vest 8 and torso model are adjacent to, according to the different situations of user, regulating frequency input 22, air pressure input 23, timing input 29 are opened switch 26 after the adjusting suitably, make motor 20 according to set definite value, by the conveying air of flexible pipe 1 to pressure vest 8 intercycles, meanwhile, 3 pairs of systems of pressure transducer 2 and cough cough pick off monitor constantly:
1) when pressure transducer 2 pressure that detects pressure vest 8 and the pressure that presets is incongruent, pressure transducer 2 sends signal to frequency-voltage conversion circuit 15, make frequency-voltage conversion circuit 15 carry signal to impulse regulator 16, after impulse regulator 16 is done suitable adjusting again, control motor 20 is carried air to the pressure vest 8 that links to each other with flexible pipe 1, when treating that pressure transducer 2 detects pressure signal and is consistent with preset value, impulse regulator 16 stops to regulate, and motor 20 keeps current state to carry air to flexible pipe 1;
2) when pressure transducer 2 detects the peak value air pressure of vertical air chamber 12 inside and the preset value on the air pressure testing circuit 18 and is not inconsistent, air pressure testing circuit 18 is carried signal to pneumatic pressure pulses actuator 17, signal after the adjusting is sent in the atmospheric pressure compensating machine 21, utilize atmospheric pressure compensating machine 21 to be transferred to motor 20 air in certain amount, replenish in the input flexible pipe 1;
3) detect user cough information when cough pick off 3, promptly when cough (〉=3 times/10 seconds) continuously took place, cough pick off 3 was sent signal into power amplifier 19, the Signal-controlled switch 26 after the processing, the control of cutting off the power supply makes that motor 20 stops to carry air to pressure vest 8.
Claims (6)
1, a kind of intelligent full thoracic cavity higher-order of oscillation sputum elimination machine, comprise flexible pipe (1), pressure transducer (2), lead (4), electric supply installation (5), casing (6), cover plate (7), it is characterized in that: also comprise pressure vest (8), air vibrating machine (9) and cough pick off (3), wherein pressure vest (8) is by metal spring circle (10), horizontal diaphragm (11), vertical barrier film (12), epidermis (13) and thread gluing (14) constitute, metal spring circle (10) is installed on epidermis (13) bottom, horizontal diaphragm (11) is installed on metal spring circle (10) top, vertically barrier film (12) is installed in epidermis (13) inside, vertically barrier film (12) upper end is connected with epidermis (13) inwall upper edge, and the lower end is perpendicular to horizontal diaphragm (11) and leave the space; Pick off (2) is connected on the air vibrating machine (9) as input, and lead (4) connects cough pick off (3) and air vibrating machine (9), and flexible pipe (1) is connected with the outfan of air vibrating machine (9); Electric supply installation (5) links to each other with air vibrating machine switch (20).
2, intelligent full thoracic cavity according to claim 1 higher-order of oscillation sputum elimination machine is characterized in that air vibrating machine (9) is made of cough pick off (3), frequency-voltage conversion circuit (15), impulse regulator (16), pneumatic pressure pulses actuator (17), air pressure peak detection circuit (18), power amplifier (19), motor (20), atmospheric pressure compensating machine (21); Pressure transducer (2) detects pressure signal and will be input in the frequency-voltage conversion circuit (15), and the signal after the conversion is sent into impulse regulator (16), sends into motor (20) after the adjusting; Pressure transducer (2) also is connected with air pressure peak detection circuit (18) as the input of air pressure peak detection circuit (18) simultaneously, the signal that produces in the air pressure peak detection circuit (18) is sent into pneumatic pressure pulses actuator (17), after regulating by analysis signal is sent in the atmospheric pressure compensating machine (21), atmospheric pressure compensating machine (21) links to each other with motor (20), and the outfan of motor (20) links to each other with flexible pipe (1); Cough induction apparatus (3) links to each other with power amplifier (19) as input, and the signal after the amplification links to each other with switch (20).
3, air vibrating machine according to claim 2 (9), the induction apparatus (3) that it is characterized in that coughing are installed in top, the inboard thoracic cavity of pressure vest (8); Frequency input (22) is installed in the frequency-voltage conversion circuit (15); Air pressure input (23) is installed in the air pressure testing circuit (18); Timing means (29) is connected with motor (20), and regularly input (30) is fixed on the cover plate (7), and regularly the outfan of input (30) links to each other with the input of timing means (29).
4, intelligent full thoracic cavity according to claim 1 higher-order of oscillation sputum elimination machine is characterized in that pressure vest (8) inner transverse barrier film (11) is installed on metal spring circle (10) top, and horizontal diaphragm (11) is provided with air passing hole (24); Vertically barrier film (12) upper end is connected epidermis (13) inside, and the lower end is vertical with horizontal diaphragm (11), does not contact and leaves the space, and vertically barrier film (12) is divided into vertical air chamber (25) with epidermis (13) inside; Epidermis (13) is made of airtight material, and pressure vest (8) wraps in torso model wherein, and is fixing by thread gluing (14).
5, pressure vest according to claim 4 (8) is characterized in that epidermis (13) upper end is provided with pore (27), and pore (27) is communicated with vertical air chamber (25).
6, intelligent full thoracic cavity according to claim 1 higher-order of oscillation sputum elimination machine is characterized in that casing (6) is packaged into an integral body with air vibrating machine (9), and cover plate (7) is installed on the casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200109136U CN201356827Y (en) | 2009-02-20 | 2009-02-20 | Intelligent type full thoracic high-frequency oscillation phlegm-discharging machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2009200109136U CN201356827Y (en) | 2009-02-20 | 2009-02-20 | Intelligent type full thoracic high-frequency oscillation phlegm-discharging machine |
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| CN201356827Y true CN201356827Y (en) | 2009-12-09 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953742A (en) * | 2010-07-23 | 2011-01-26 | 四川省医学科学院（四川省人民医院） | Intelligent total thoracic cavity controllable vibration sputum-discharging device and method |
| CN101507844B (en) * | 2009-03-18 | 2011-09-14 | 纪华雷 | Intelligent full-thorax high-frequency oscillation sputum elimination machine and method |
| CN102423279A (en) * | 2011-09-21 | 2012-04-25 | 无锡恒宇医疗器械有限公司 | Total thoracoscopic high-frequency oscillating phlegm discharge machine |
| CN102440887A (en) * | 2011-09-21 | 2012-05-09 | 无锡恒宇医疗器械有限公司 | Phlegm removing machine with monitoring function |
| CN102600036A (en) * | 2012-03-28 | 2012-07-25 | 常熟柏宇医疗电子有限公司 | Electromagnetic power sputum drainage machine |
| CN102641194A (en) * | 2012-03-31 | 2012-08-22 | 常熟柏宇医疗电子有限公司 | Air vibration generating mechanism for sputum elimination airbag vests |
| CN102641206A (en) * | 2012-03-31 | 2012-08-22 | 常熟柏宇医疗电子有限公司 | Phlegm discharging machine |
| CN102716007A (en) * | 2012-03-28 | 2012-10-10 | 常熟柏宇医疗电子有限公司 | Electromagnetic-powered sputum excretion system |
| CN103622795A (en) * | 2013-12-18 | 2014-03-12 | 嘉兴泰信医疗电子有限公司 | Respiratory tract cleaning system with control system |
| CN109674640A (en) * | 2019-01-31 | 2019-04-26 | 郭辉 | A kind of Respiratory Medicine expectoration device |
| CN110917010A (en) * | 2019-12-02 | 2020-03-27 | 彭州市人民医院 | Vibration sputum excretion machine |
-
2009
- 2009-02-20 CN CNU2009200109136U patent/CN201356827Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507844B (en) * | 2009-03-18 | 2011-09-14 | 纪华雷 | Intelligent full-thorax high-frequency oscillation sputum elimination machine and method |
| CN101953742B (en) * | 2010-07-23 | 2012-07-18 | 四川省医学科学院（四川省人民医院） | Intelligent total thoracic cavity controllable vibration sputum-discharging device and method |
| CN101953742A (en) * | 2010-07-23 | 2011-01-26 | 四川省医学科学院（四川省人民医院） | Intelligent total thoracic cavity controllable vibration sputum-discharging device and method |
| CN102423279A (en) * | 2011-09-21 | 2012-04-25 | 无锡恒宇医疗器械有限公司 | Total thoracoscopic high-frequency oscillating phlegm discharge machine |
| CN102440887A (en) * | 2011-09-21 | 2012-05-09 | 无锡恒宇医疗器械有限公司 | Phlegm removing machine with monitoring function |
| CN102716007A (en) * | 2012-03-28 | 2012-10-10 | 常熟柏宇医疗电子有限公司 | Electromagnetic-powered sputum excretion system |
| CN102600036A (en) * | 2012-03-28 | 2012-07-25 | 常熟柏宇医疗电子有限公司 | Electromagnetic power sputum drainage machine |
| CN102716007B (en) * | 2012-03-28 | 2014-09-17 | 常熟柏宇医疗电子有限公司 | Electromagnetic-powered sputum excretion system |
| CN102641194A (en) * | 2012-03-31 | 2012-08-22 | 常熟柏宇医疗电子有限公司 | Air vibration generating mechanism for sputum elimination airbag vests |
| CN102641206A (en) * | 2012-03-31 | 2012-08-22 | 常熟柏宇医疗电子有限公司 | Phlegm discharging machine |
| CN103622795A (en) * | 2013-12-18 | 2014-03-12 | 嘉兴泰信医疗电子有限公司 | Respiratory tract cleaning system with control system |
| CN109674640A (en) * | 2019-01-31 | 2019-04-26 | 郭辉 | A kind of Respiratory Medicine expectoration device |
| CN110917010A (en) * | 2019-12-02 | 2020-03-27 | 彭州市人民医院 | Vibration sputum excretion machine |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHAO ZHIBO Free format text: FORMER OWNER: JI HUALEI Effective date: 20100412 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 116001 NO.65-1-46-1, GAOSHANG ROAD, ZHONGSHAN DISTRICT, DALIAN CITY, LIAONING PROVINCE TO: 116001 NO.65-1-16-1, GAOSHANG ROAD, ZHONGSHAN DISTRICT, DALIAN CITY, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100412 Address after: High Shanglu 116001 Liaoning city of Dalian province Zhongshan District No. 65-1-16-1 Patentee after: Zhao Zhibo Address before: High Shanglu 116001 Liaoning city of Dalian province Zhongshan District No. 65-1-46-1 Patentee before: Ji Hualei |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20091209 Effective date of abandoning: 20090220 |