CN111358685A - Ultrasonic auxiliary sputum excretion device for sputum liquefaction - Google Patents
Ultrasonic auxiliary sputum excretion device for sputum liquefaction Download PDFInfo
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- CN111358685A CN111358685A CN202010190869.2A CN202010190869A CN111358685A CN 111358685 A CN111358685 A CN 111358685A CN 202010190869 A CN202010190869 A CN 202010190869A CN 111358685 A CN111358685 A CN 111358685A
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- Prior art keywords
- sputum
- ultrasonic
- piezoceramic
- piezoelectric ceramic
- shell
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 68
- 208000024794 sputum Diseases 0.000 title claims abstract description 67
- 210000003802 sputum Anatomy 0.000 title claims abstract description 67
- 230000029142 excretion Effects 0.000 title claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 210000004072 lung Anatomy 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 206010011224 Cough Diseases 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 208000024891 symptom Diseases 0.000 description 3
- 206010035664 Pneumonia Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 210000003456 pulmonary alveoli Anatomy 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008816 organ damage Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
- A61H23/0245—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with ultrasonic transducers, e.g. piezoelectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0633—Cylindrical array
Abstract
The invention discloses an ultrasonic auxiliary sputum excretion device for sputum liquefaction, which comprises an ultrasonic transducer and a cylindrical shell, wherein one end of the cylindrical shell is closed, the other end of the cylindrical shell is open, the ultrasonic transducer is matched with the shape of the shell, the ultrasonic transducer can be arranged in the shell from the open end and is tightly contacted and matched with the inner wall surface of the shell, the ultrasonic transducer sequentially comprises a rear end part, a piezoelectric ceramic group and a matching block from back to front, a bolt penetrates through a central hole of the piezoelectric ceramic group from the rear end part and the central hole of the rear end part and is connected with the central thread of the rear end of the matching block, so that the rear end part, the piezoelectric ceramic group and the matching block are tightly connected into a whole. The piezoelectric ceramic layer of the invention excites ultrasonic waves under the action of high-frequency alternating current, and the ultrasonic waves are focused by the acoustic lens, so that the lung sputum blocking area can be vibrated, the temperature is increased, and the sputum liquefaction is promoted, thereby creating favorable conditions for bronchoscope sputum suction or cough sputum excretion.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic auxiliary sputum excretion device for sputum liquefaction.
Background
From clinical symptoms and anatomical analysis of patients with new coronary pneumonia, it is known that new coronary pneumonia causes more severe sticky sputum than SARS. Because of the high-viscosity sputum, the alveolus and the deep airway of a patient can be seriously blocked by the sputum and are difficult to expectorate, and the sputum suction function of a bronchoscope is limited, so that the pulmonary gas exchange function of the patient can be seriously damaged, the blood oxygen concentration is seriously reduced, and further, the tissue and organ damage, even shock and death are caused.
Vibration is an effective physical sputum excretion method, and traditionally, the chest or the back of a patient is flapped through manual or mechanical vibration, so that sputum falls off and is gathered to a larger airway, thereby being beneficial to negative pressure sputum suction or expectoration. However, most of the existing sputum excretion devices imitate manual flapping, such as a flapping mechanism of a full-thorax high-frequency oscillation sputum excretion machine described in CN 205163599U. The beating frequency of this equipment is lower, and the dynamics is great, is not convenient for severe patient especially old patient's is suitable for. In addition, the equipment uses devices such as cylinders and motors, the mass and the volume of the equipment are large, and the equipment is not beneficial to carrying and using by medical teams.
Disclosure of Invention
The invention aims to provide an ultrasonic auxiliary sputum excretion device for sputum liquefaction, aiming at the technical defects of the existing sputum excretion equipment, which utilizes high-frequency small-amplitude ultrasonic vibration to vibrate and liquefy the appointed region of the lung of a patient and improve the temperature, thereby creating favorable conditions for sucking or expectorating the sputum.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a sputum liquefaction's supplementary sputum discharging ware of supersound, includes ultrasonic transducer (1) and one end is sealed, the open-ended tube-shape casing (2) of the other end, ultrasonic transducer (1) and casing (2) shape phase-match, can pack into in the casing from the open end and with the internal wall close contact cooperation of casing, ultrasonic transducer (1) includes rear end portion (1.3), piezoceramics group (1.2) and matching piece (1.1.2) from the back forward in proper order, bolt (1.4) are passed the back from rear end portion (1.3), the central thread connection of rear end with matching piece (1.1.2) in the centre bore of piezoceramics group (1.2), make rear end portion (1.3), piezoceramics group (1.2) and matching piece (1.1.1.2) closely link into an organic whole, acoustic lens (1.1.1.1) that the front end was arranged are installed in matching piece concave part (1.1.2.1).
As a further technical solution, the piezoelectric ceramic group (1.2) includes N piezoelectric ceramic layers and N +1 copper sheet groups, and the copper sheet groups and the piezoelectric ceramic layers are stacked and arranged in a manner that one copper sheet group is respectively arranged on both sides of one piezoelectric ceramic layer, so as to form the piezoelectric ceramic group (1.2).
As a further technical scheme, the piezoelectric ceramic group (1.2) comprises five copper sheet groups and 4 piezoelectric ceramic layers.
As a further technical scheme, the piezoelectric ceramic layer comprises a piezoelectric ceramic array (1.2.2.1) and a resin frame (1.2.2.2), and the piezoelectric ceramic array (1.2.2.1) and the resin frame (1.2.2.2) are connected into a whole in a burning and pressing mode.
As a further technical scheme, the matching block (1.1.2) is installed in the sleeve (1.1.3), and an external thread structure is formed on the outer circular surface of the sleeve (1.1.3) and matched with a thread section on the inner wall of the shell (2) to realize threaded connection.
As a further technical scheme, a front end plane part of an acoustic lens (1.1.1) mounted at the front end of the ultrasonic transducer (1) is arranged to be flush with the front end of the shell (2).
As a further technical scheme, the shell (2) and the ultrasonic transducer (1) are cylindrical bodies.
As a further technical scheme, a handle is formed on the outer surface of the shell (2).
The invention utilizes the focused ultrasound technology, can focus the ultrasonic wave on the lung or trachea area with serious sputum blockage, reduces the binding force between the sputum and tissue organs by high-frequency vibration and increasing local temperature, liquefies the sputum, thereby creating favorable conditions for bronchoscope to absorb or expectorate, improving the respiratory function of the lung of a patient, increasing the blood oxygen concentration, and reducing the death rate of severe patients and the conversion rate from mild symptoms to severe symptoms.
The sputum excretion device has the advantages that while the sputum excretion effect is guaranteed, the piezoelectric ceramics are used as the drive and the power source, so that the volume and the mass of the device are greatly reduced, the miniaturization, the portability and the convenient use of the device are realized, and the convenience degree of the use and the carrying of the device is improved.
Moreover, the ultrasonic action for orienting the specific lung area with serious trachea or alveolus blockage of the patient is carried out according to the lung scanning result of the patient, the pain of the serious patient, particularly the old patient, caused by beating can be relieved through small-amplitude vibration, and the effectiveness of sputum vibration and liquefaction can be guaranteed through high-frequency vibration.
Drawings
FIG. 1 is an isometric view of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 2 is an exploded view of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 3 is a cross-sectional view of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 4 is an exploded view of the ultrasonic transducer of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 5 is an exploded view of the front of the transducer of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 6 is an exploded view of the piezo-ceramic set of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
FIG. 7 is an exploded view of the first piezoceramic layer of an ultrasonic assisted sputum aspirator for sputum liquefaction according to the present invention.
In the figure:
1. an ultrasonic transducer; 2. a housing; 1.1, transducer front; 1.2, a piezoelectric ceramic group; 1.3, a rear end part; 1.4, bolts; 1.1.1, acoustic lens, 1.1.2, matching block, 1.1.3 and sleeve; 1.2.1, a first copper sheet group; 1.2.2, a first piezoceramic layer; 1.2.3, a second copper sheet group; 1.2.4, a second piezoceramic layer; 1.2.5, a third copper sheet group; 1.2.6, a third piezoceramic layer; 1.2.7, a fourth copper sheet group; 1.2.8, a fourth piezoceramic layer; 1.2.9, a fifth copper sheet group; 1.1.2.1, matching block recess; 1.2.2.1, a piezoelectric ceramic array; 1.2.2.2, resin frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-7, the present invention provides an ultrasound-assisted sputum excretion device for sputum liquefaction, comprising:
the ultrasonic transducer comprises an ultrasonic transducer (1) and a shell (2), wherein the ultrasonic transducer (1) is connected with the shell (2); the ultrasonic transducer (1) comprises a transducer front part (1.1), a piezoelectric ceramic group (1.2), a rear end part (1.3) and a bolt (1.4); the bolt (1.4) is arranged in center holes of the piezoelectric ceramic group (1.2) and the rear end part (1.3), wherein the center hole of the rear end part (1.3) is a stepped hole, the outer surface of the root part of the bolt (1.4) is lower than or level to the outer end surface of the rear end part (1.3), and the bolt is screwed and fixed on the front part (1.1) of the transducer; transducer front portion (1.1) is including acoustic lens (1.1.1), matching piece (1.1.2) and sleeve (1.1.3), acoustic lens (1.1.1) is installed in matching piece concave part (1.1.2.1) of matching piece (1.1.2) to guarantee to laminate closely between the two, and matching piece (1.1.2) is installed in sleeve (1.1.3), and the excircle surface of sleeve (1.1.3) forms the helicitic texture, can with threaded connection is realized to the screw thread on the inner wall of shell.
As shown in fig. 5, the piezoelectric ceramic group (1.2) includes a first copper sheet group (1.2.1), a first piezoelectric ceramic layer (1.2.2), a second copper sheet group (1.2.3), a second piezoelectric ceramic layer (1.2.4), a third copper sheet group (1.2.5), a third piezoelectric ceramic layer (1.2.6), a fourth copper sheet group (1.2.7), a fourth piezoelectric ceramic layer (1.2.8), and a fifth copper sheet group (1.2.9).
The first copper sheet set (1.2.1), the first piezoelectric ceramic layer (1.2.2), the second copper sheet set (1.2.3), the second piezoelectric ceramic layer (1.2.4), the third copper sheet set (1.2.5), the third piezoelectric ceramic layer (1.2.6), the fourth copper sheet set (1.2.7), the fourth piezoelectric ceramic layer (1.2.8) and the fifth copper sheet set (1.2.9) are sequentially stacked.
Wherein, the first copper sheet group (1.2.1), the second copper sheet group (1.2.3), the third copper sheet group (1.2.5), the fourth copper sheet group (1.2.7) and the fifth copper sheet group (1.2.9) are the same;
the first piezoceramic layer (1.2.2), the second piezoceramic layer (1.2.4), the third piezoceramic layer (1.2.6) and the fourth piezoceramic layer (1.2.8) are identical.
As shown in fig. 6, the first piezoceramic layer (1.2.2) comprises a piezoceramic array (1.2.2.1) and a resin frame (1.2.2.2). The piezoelectric ceramic array (1.2.2.1) and the resin frame (1.2.2.2) are installed and connected together in a burning and pressing mode.
As a further technical solution, the housing (2) and the ultrasonic transducer (1) are cylindrical bodies, and may also be manufactured to form other shapes, such as an oval shape in cross section, or an oblong rectangular body, or other available geometric shapes, without limitation.
As a further technical scheme, a handle is formed on the outer surface of the shell, so that the shell is convenient to carry and hold for use.
In this embodiment, when an ultrasonic frequency ac voltage is applied to the first copper sheet group (1.2.1), the second copper sheet group (1.2.3), the third copper sheet group (1.2.5), the fourth copper sheet group (1.2.7) and the fifth copper sheet group (1.2.9), the first piezoceramic layer (1.2.2), the second piezoceramic layer (1.2.4), the third piezoceramic layer (1.2.6) and the fourth piezoceramic layer (1.2.8) generate ultrasonic frequency mechanical vibration, that is, ultrasonic waves, which pass through the conduction of the matching block (1.1.2) and the focusing action of the acoustic lens (1.1.1), can excite the sputum to vibrate and liquefy in a designated area of the lung of a patient, and meanwhile, the concentration of energy will also increase the temperature in the area, thereby promoting the liquefaction of the sputum, and creating favorable conditions for bronchoscope sputum suction or cough and sputum excretion.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The ultrasonic auxiliary sputum excretion device for sputum liquefaction is characterized by comprising an ultrasonic transducer (1) and a cylindrical shell (2) with one closed end and the other open end, wherein the ultrasonic transducer (1) is matched with the shell (2) in shape and can be installed in the shell from the open end and tightly contacted and matched with the inner wall surface of the shell, the ultrasonic transducer (1) sequentially comprises a rear end part (1.3), a piezoelectric ceramic group (1.2) and a matching block (1.1.2) from back to front, a bolt (1.4) penetrates through a central hole of the rear end part (1.3) and the piezoelectric ceramic group (1.2) and then is in threaded connection with the center of the rear end of the matching block (1.1.2), so that the rear end part (1.3), the piezoelectric ceramic group (1.2) and the matching block (1.1.2) are tightly connected into a whole, and an acoustic lens (1.1.1.1) arranged at the front end is installed in a concave part (1.1.2.1.1.1.1.1.1).
2. The ultrasonic assisted sputum aspirator for sputum liquefaction according to claim 1, wherein the piezoceramic stack (1.2) comprises N piezoceramic layers and N +1 copper sheet sets, and the copper sheet sets and the piezoceramic layers are stacked in such a way that one copper sheet set is respectively arranged on both sides of one piezoceramic layer to form the piezoceramic stack (1.2).
3. The ultrasonic assisted sputum aspirator of claim 2, wherein the piezoceramic stack (1.2) comprises five copper sheet stacks and 4 piezoceramic layers.
4. The ultrasonic assisted sputum aspirator for sputum liquefaction according to claim 2, wherein the piezoceramic layer comprises a piezoceramic array (1.2.2.1) and a resin frame (1.2.2.2), and the piezoceramic array (1.2.2.1) and the resin frame (1.2.2.2) are integrally connected through a burning and pressing manner.
5. The ultrasonic assisted sputum aspirator for sputum liquefaction according to claim 1, wherein the matching block (1.1.2) is installed in a sleeve (1.1.3), and the outer circular surface of the sleeve (1.1.3) forms an external thread structure which is matched with a thread section on the inner wall of the shell (2) to realize thread connection.
6. The ultrasonic assisted sputum aspirator for sputum liquefaction according to claim 1, wherein the front end plane portion of the acoustic lens (1.1.1) mounted on the front end of the ultrasonic transducer (1) is arranged flush with the front end of the housing (2).
7. The ultrasonic assisted sputum aspirator for sputum liquefaction according to claim 1, wherein the housing (2) and the ultrasonic transducer (1) are cylinders.
8. The ultrasonic assisted sputum aspirator of claim 1, wherein the housing (2) is formed with a handle on its outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190869.2A CN111358685A (en) | 2020-03-18 | 2020-03-18 | Ultrasonic auxiliary sputum excretion device for sputum liquefaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190869.2A CN111358685A (en) | 2020-03-18 | 2020-03-18 | Ultrasonic auxiliary sputum excretion device for sputum liquefaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111358685A true CN111358685A (en) | 2020-07-03 |
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ID=71198728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010190869.2A Pending CN111358685A (en) | 2020-03-18 | 2020-03-18 | Ultrasonic auxiliary sputum excretion device for sputum liquefaction |
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| CN (1) | CN111358685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245257A (en) * | 2020-09-22 | 2021-01-22 | 重庆大学 | Sputum vibration drainage promoting device based on repetition frequency liquid electric pulse micro shock wave |
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|---|---|---|---|---|
| JPH1142231A (en) * | 1997-07-24 | 1999-02-16 | Fuji Photo Optical Co Ltd | Ultrasonic diagnostic device which is inserted through endoscope |
| CN102488609A (en) * | 2011-11-23 | 2012-06-13 | 王铭 | Ultrasonic sinus cavity therapeutic apparatus |
| CN102553767A (en) * | 2011-12-13 | 2012-07-11 | 南京航空航天大学 | Piezoelectric ceramic ultrasonic atomizing sheet |
| CN103599867A (en) * | 2013-08-29 | 2014-02-26 | 咸威 | Ultrasonic spraying device for atomizing viscous liquid and suspension liquid |
| CN105561486A (en) * | 2015-11-16 | 2016-05-11 | 北京航空航天大学 | Ultrasonic sputum eliminator |
| CN105902359A (en) * | 2016-04-08 | 2016-08-31 | 王卫东 | Respiratory tract vibrator |
| CN110882881A (en) * | 2018-09-11 | 2020-03-17 | 北京锐诺医疗技术有限公司 | Ultrasonic transducer for ultrasonic surgical instrument and ultrasonic surgical instrument thereof |
-
2020
- 2020-03-18 CN CN202010190869.2A patent/CN111358685A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1142231A (en) * | 1997-07-24 | 1999-02-16 | Fuji Photo Optical Co Ltd | Ultrasonic diagnostic device which is inserted through endoscope |
| CN102488609A (en) * | 2011-11-23 | 2012-06-13 | 王铭 | Ultrasonic sinus cavity therapeutic apparatus |
| CN102553767A (en) * | 2011-12-13 | 2012-07-11 | 南京航空航天大学 | Piezoelectric ceramic ultrasonic atomizing sheet |
| CN103599867A (en) * | 2013-08-29 | 2014-02-26 | 咸威 | Ultrasonic spraying device for atomizing viscous liquid and suspension liquid |
| CN105561486A (en) * | 2015-11-16 | 2016-05-11 | 北京航空航天大学 | Ultrasonic sputum eliminator |
| CN105902359A (en) * | 2016-04-08 | 2016-08-31 | 王卫东 | Respiratory tract vibrator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245257A (en) * | 2020-09-22 | 2021-01-22 | 重庆大学 | Sputum vibration drainage promoting device based on repetition frequency liquid electric pulse micro shock wave |
| CN112245257B (en) * | 2020-09-22 | 2023-08-22 | 重庆大学 | Sputum vibration and emission promotion device based on heavy frequency liquid electric pulse micro shock wave |
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