CN114452619B - Clinical internal medicine is with breathing exercise testing arrangement - Google Patents
Clinical internal medicine is with breathing exercise testing arrangement Download PDFInfo
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- CN114452619B CN114452619B CN202210244885.4A CN202210244885A CN114452619B CN 114452619 B CN114452619 B CN 114452619B CN 202210244885 A CN202210244885 A CN 202210244885A CN 114452619 B CN114452619 B CN 114452619B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/18—Exercising apparatus specially adapted for particular parts of the body for improving respiratory function
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/065—Visualisation of specific exercise parameters
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/0658—Position or arrangement of display
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/56—Pressure
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Human Computer Interaction (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Pulmonology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a respiration exercise testing device for clinical internal medicine, which comprises a shell, a respiratory tube and a pair of holding handles, wherein the respiratory tube is connected with one side of the shell; the respiration exercise testing device for the clinical internal medicine has the advantages that the respiration exercise testing device for the clinical internal medicine integrates the pressure sensing detection system and the piston type reciprocating structure by adopting a compact structure, the functions of the respiration exercise testing device are enriched, meanwhile, the filtering system is arranged, germs and moisture in exhaled air are effectively filtered, equipment pollution is avoided, exercise data are visualized by matching with the digital display structure, a doctor can be greatly helped to judge exercise effects, and diagnosis and treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of clinical internal medicine, in particular to a respiratory exercise testing device for the clinical internal medicine.
Background
The internal medicine is a specialized family of clinical medicine, is the basis of almost all other clinical medicine, and is also called the mother of medicine. The content of internal medicine includes definition of disease, etiology, pathogenesis, epidemiology, natural history, symptom, sign, experimental diagnosis, image examination, differential diagnosis, treatment and prognosis.
The respiratory system is a general term for a series of organs that exchange gas with the outside air, including the nose, pharynx, larynx, trachea, bronchi, lung composed of a large number of alveoli, blood vessels, lymphatic vessels, nerves, and tissues such as pleura. Clinically, the nose, the pharynx and the larynx are called as upper respiratory tracts, the part of a gas passage below the trachea (including all levels of bronchi in the lung) is called as a lower respiratory tract, when a person inhales normally, the diaphragm contracts and the outer intercostal muscles contract, and when the person inhales forcefully, the person also needs to inhale auxiliary muscles such as trapezius muscles and oblique muscles for assistance, the chest is widened and lifted as a result of the contraction of the muscles, the thoracic space is expanded to the limit, and therefore the inspiratory muscles need to be exercised.
Patent No. CN202110688428.X discloses a clinical internal medicine is with breathing exercise testing arrangement, though the problem of remaining the germ easily has been solved, but current breathing training equipment, with the training condition of naked eye judgement patient's cardiopulmonary function usually, can not be decided according to the people, and need the professional to supervise, the extravagant manpower, equipment is simple and crude simultaneously, the achievement of reaction training that can not be true, simultaneously not in place to user's control, easily make the training person feel tired, in view of this, to the deep research of above-mentioned problem, the present case produces in the tunnel.
Disclosure of Invention
The invention aims to solve the problems, designs a breath exercise testing device for clinical internal medicine, and solves the existing background technical problems.
The technical scheme of the invention for realizing the aim is as follows: a respiration exercise testing device for clinical internal medicine comprises a shell, a respiration tube and a pair of holding handles, wherein the respiration tube is connected with one side of the shell, the pair of holding handles are welded on one side of the shell, a piston type respiration exercise testing structure is arranged in the shell, a respiration filtering mechanism is arranged on one side of the shell and communicated with the respiration exercise testing structure, and a digital display structure is arranged on the other side of the respiration exercise testing structure;
the respiratory exercise test structure includes: the device comprises a sliding chute, a plugging piston, a stressing rod, an air inlet, an air outlet, a control valve, a control groove, a pair of trigger switches, a sliding block and an adjusting screw rod;
the shell is of a hollow cylindrical structure, a chute of the cylindrical structure is arranged on the shell, a plugging piston is assembled in the chute, a sleeve groove is formed in the center of the plugging piston, a stress application rod is embedded in the sleeve groove, a detection assembly is connected with the stress application rod in one end of the shell, an air inlet is formed in the end part of the shell and connected with a respiratory filtering mechanism, an exhaust port is formed in one side of the chute of the shell, a control valve is arranged on the exhaust port, a control groove is formed in one side of the chute and in parallel with the axis, a pair of trigger switches are respectively arranged at two ends of the control groove, a slide block is arranged in the control groove, one of the trigger switches is connected to the slide block, an adjusting screw rod is connected to one side of the slide block, and the adjusting screw rod is in threaded connection with the shell and penetrates through the wall surface of one side of the shell;
the end part of the breathing tube is inserted with a sealing blowing nozzle, and the end part of the sealing blowing nozzle is in interference fit with the breathing tube;
the pair of trigger switches are connected with the control valve;
the detection assembly comprises: the device comprises a detection seat, a butt joint pipe, a spring and a pressure receptor;
the end part of the sliding chute is provided with internal threads, the detection seat is in threaded connection with the end part of the sliding chute, a butt joint pipe extends from one side of the detection seat and is inserted into the sliding chute, the stressing rod is inserted into the butt joint pipe, the end part of the stressing rod is in butt joint with a spring, the spring is embedded into the butt joint pipe, and the end part of the butt joint pipe is provided with a pressure sensor which is connected with the end part of the spring.
The outside cross section of detection seat is provided with connecting seat and spout threaded connection for the column cavity plate that has the chamfer and the tip that is located the detection seat.
The respiratory filtration mechanism includes: a pair of filter cotton blocks, a filter inner core and a one-way valve;
the shell one end is provided with the cartridge filter, it is provided with a pair of cotton piece of filtering in the cartridge filter both ends, and is a pair of filter the inner core that filters that is provided with honeycomb briquette type structure between the cotton piece of filtering, the cartridge filter is connected with the tip suit of respiratory tube, the cartridge filter is provided with the check valve with respiratory tube connection one end.
The tip of cartridge filter is provided with the thread bush, the tip of shell is provided with the thread groove of matching.
And a pair of protective nets are arranged at the two ends of the filter cylinder and block the outer sides of the pair of filter cotton blocks.
The digital display structure includes: the device comprises a digital display screen, a connecting wire and a detection bracelet;
digital display screen installs on one side outer wall of mount pad, digital display screen is connected with the baroreceptor, digital display screen one side is provided with the connecting wire, be provided with on the connecting wire and detect the bracelet.
And a power line is arranged on one side of the connecting seat.
The respiration exercise testing device for the clinical internal medicine manufactured by the technical scheme of the invention integrates a pressure sensing detection system and a piston type reciprocating structure by adopting a compact structure, enriches the functions of the respiration exercise testing device, is provided with a filtering system at the same time, effectively filters out germs and moisture in exhaled air, avoids equipment pollution, is matched with a digital display structure, enables exercise data to be visual, can greatly help doctors to judge exercise effect, and improves diagnosis and treatment efficiency.
Drawings
Fig. 1 is a schematic front view structure diagram of a respiratory exercise testing device for clinical medicine department.
Fig. 2 is a schematic side cross-sectional structural view of a respiratory exercise testing device for clinical medicine in the invention.
Fig. 3 is a schematic side view of a respiratory exercise testing device for clinical medicine in accordance with the present invention.
Fig. 4 is a schematic structural diagram of a breath filtering mechanism of the breath exercise testing device for clinical medicine department according to the present invention.
Fig. 5 is a partially enlarged structural schematic diagram of a respiratory exercise testing device for clinical medicine according to the present invention.
In the figure: 1. a housing; 2. a breathing tube; 3. a grip for gripping; 4. a chute; 5. plugging the piston; 6. a stress application rod; 7. an air inlet; 8. an exhaust port; 9. a control valve; 10. a control slot; 11. a trigger switch; 12. a slider; 13. adjusting a screw rod; 14. sealing the air blowing nozzle; 15. a detection seat; 16. butt-joint pipes; 17. a spring; 18. a baroreceptor; 19. filtering the cotton block; 20. filtering the inner core; 21. a one-way valve; 22. a threaded sleeve; 23. a protective net; 24. a digital display screen; 25. a connecting wire; 26. detecting a bracelet; 27. a power line; 28. and (3) a filter cartridge.
Detailed Description
The invention is described in detail below with reference to the drawings, as shown in fig. 1-5.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): according to the attached drawings 1-5 of the specification, the breathing exercise testing device for the clinical internal medicine comprises a shell 1, a breathing tube 2 and a pair of holding handles 3, wherein the breathing tube 2 is connected with one side of the shell 1, the pair of holding handles 3 are welded on one side of the shell 1, a piston type breathing exercise testing structure is arranged in the shell 1, a breathing filtering mechanism is arranged on one side of the shell 1 and communicated with the breathing exercise testing structure, and a digital display structure is arranged on the other side of the breathing exercise testing structure;
as can be seen from fig. 1-5 of the specification, the above-mentioned breath exercise test structure comprises: the device comprises a sliding chute 4, a plugging piston 5, a forcing rod 6, an air inlet 7, an air outlet 8, a control valve 9, a control groove 10, a pair of trigger switches 11, a sliding block 12 and an adjusting screw rod 13, wherein the connection relation and the position relation are as follows;
the shell 1 is the cylindricality structure of cavity, be provided with the spout 4 of cylindricality structure on the shell 1, be equipped with shutoff piston 5 in the spout 4, the trepanning has been seted up at the center of shutoff piston 5, the trepanning is embedded to be equipped with the stress application pole 6, be connected with detection component with stress application pole 6 in the shell 1 one end, the tip of shell 1 is provided with air inlet 7, air inlet 7 is connected with breathing filter mechanism, spout 4 one side of shell 1 is provided with gas vent 8, be provided with control flap 9 on the gas vent 8, one side and the axis parallel arrangement of spout 4 have control groove 10, the both ends of control groove 10 are provided with a pair of trigger switch 11 respectively, be provided with slider 12 in the control groove 10, a pair of one of them trigger switch 11 connects on slider 12, slider 12 one side is connected with accommodate the lead screw 13, accommodate the lead screw 13 threaded connection just link up shell 1 side wall on the shell 1.
In the specific implementation process, a sealing blowing nozzle 14 is inserted into the end of the breathing tube 2, the end of the sealing blowing nozzle 14 is in interference fit with the breathing tube 2 and is matched with the face of a user, blown air is convenient to collect, the air enters the sliding groove 4 through the inlet, the plugging piston 5 in the sliding groove 4 is pushed to slide, the plugging piston 5 directly acts on the detection assembly through the stress application rod 6, the detection and statistics of breathing data are completed, the digital display structure displays the breathing data, the control groove 10 axially and parallelly arranged on one side of the sliding groove 4 in the shell 1 is used for installing a sliding block 12 and a pair of trigger switches 11, when the plugging piston 5 slides to touch the trigger switch 11 on any side, the control valve 9 on the exhaust port 8 is opened or closed, specifically, when the plugging piston 5 touches the trigger switch 11, the exhaust port 8 is opened, and when the plugging piston 5 resets, the exhaust groove is closed when the trigger switch 11 on the other side is touched.
As can be seen from fig. 1 to 5 of the specification, the detection assembly comprises: the connection and position relations of the detection seat 15, the butt joint pipe 16, the spring 17 and the pressure sensor 18 are as follows;
the end part of the chute 4 is provided with internal threads, the detection seat 15 is connected with the end part of the chute 4 through threads, one side of the detection seat 15 extends out of the butt joint pipe 16 to be inserted into the chute 4, the stress application rod 6 is inserted into the butt joint pipe 16, the end part of the stress application rod 6 is butt jointed with the spring 17, the spring 17 is embedded into the butt joint pipe 16, and the end part of the butt joint pipe 16 is provided with the pressure sensor 18 which is connected with the end part of the spring 17.
In the specific implementation process, the cross section outside the detection seat 15 is a cylindrical cavity plate with a chamfer, the end part of the detection seat 15 is provided with a connecting seat and a sliding groove 4 in threaded connection, the detection seat 15 is connected to the end part of the shell 1, the plugging piston 5 pushes the stressing rod 6 to extrude the spring 17 in the butt joint pipe 16, pressure can be generated on the pressure receiver 18, the pressure receiver 18 is stressed, pressure detection is further performed, the advancing stroke of the plugging piston 5 is reflected, the exercise data of a patient is judged and recorded by the aid of the advancing stroke, and the movement track of the stressing rod 6 can be limited by the butt joint pipe 16.
As can be seen from fig. 1-5 of the specification, the respiratory filter mechanism comprises: a pair of filter cotton blocks 19, a filter inner core 20 and a one-way valve 21, the connection relationship and the position relationship of which are as follows;
a filter cartridge 28 is arranged at one end of the shell, a pair of filter cotton blocks 19 are arranged at two ends in the filter cartridge 28, a filter inner core 20 with a honeycomb briquette type structure is arranged between the pair of filter cotton blocks 19, the filter cartridge 28 is connected with the end part of the breathing tube 2 in a sleeved mode, and a check valve 21 is arranged at one end, connected with the breathing tube 2, of the filter cartridge 28;
in the specific implementation process, the end portion of the filter cylinder 28 is provided with the threaded sleeve 22, the end portion of the housing 1 is provided with the matched threaded groove, the two ends of the filter cylinder 28 are provided with the pair of protective nets 23 which block the outer sides of the pair of filter cotton blocks 19 to limit the pair of filter cotton blocks 19, exhaled air enters the filter cylinder 28 through the check valve 21, the filter cotton blocks 19 absorb water twice, meanwhile, the hollow inner wall of the filter inner core 20 is coated with the disinfectant powder, and common germs can be effectively filtered through the central filter inner core 20.
As can be seen from fig. 1 to 5 of the specification, the digital display structure includes: the digital display screen 24, the connecting wire 25 and the detection bracelet 26 have the following connection relationship and position relationship;
In the specific implementation process, one side of connecting seat is provided with power cord 27 for the whole power supply that supplies power of equipment, the wrist that is connected to patient through detecting detection bracelet 26 on the seat 15 goes out, detects data such as patient's rhythm of the heart pulse, and the fluctuation of rethread digital display screen demonstration pressure variation and pressure variation's number of times can effectively react patient's exercise effect.
To sum up the totality can know, this clinical internal medicine is with breathing exercise testing arrangement has adopted compact structure integrated pressure to feel detecting system and piston reciprocating structure, has richened the function that breathes exercise testing arrangement, has been equipped with filtration system simultaneously, and germ and moisture in the effective filtering exhalation air avoid the pollution equipment, cooperation digital display structure for it is visual to temper data, and the judgement of effect is tempered to help doctor that can be very big has improved diagnosis and treatment efficiency.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications made to some parts by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. A respiration exercise testing device for clinical internal medicine comprises a shell, a respiration tube and a pair of holding handles, wherein the respiration tube is connected with one side of the shell, and the pair of holding handles are welded on one side of the shell;
the respiratory exercise test structure includes: the device comprises a sliding chute, a plugging piston, a stressing rod, an air inlet, an air outlet, a control valve, a control groove, a pair of trigger switches, a sliding block and an adjusting screw rod;
the shell is of a hollow cylindrical structure, a chute of the cylindrical structure is arranged on the shell, a plugging piston is assembled in the chute, a sleeve groove is formed in the center of the plugging piston, a stress application rod is embedded in the sleeve groove, a detection assembly is connected with the stress application rod in one end of the shell, an air inlet is formed in the end portion of the shell and is connected with a respiration filtering mechanism, an air outlet is formed in one side of the chute of the shell, a control valve is arranged on the air outlet, a control groove is formed in one side of the chute and is parallel to the axis, a pair of trigger switches are respectively arranged at two ends of the control groove, a slide block is arranged in the control groove, one of the trigger switches is connected to the slide block, an adjusting screw rod is connected to one side of the slide block, and the adjusting screw rod is in threaded connection with the shell and penetrates through the wall surface of one side of the shell;
the end part of the breathing tube is inserted with a sealing blowing nozzle, and the end part of the sealing blowing nozzle is in interference fit with the breathing tube;
the pair of trigger switches are connected with the control valve;
the detection assembly comprises: the device comprises a detection seat, a butt joint pipe, a spring and a pressure receptor;
the end part of the sliding chute is provided with internal threads, the detection seat is in threaded connection with the end part of the sliding chute, a butt joint pipe extends from one side of the detection seat and is inserted into the sliding chute, the stressing rod is inserted into the butt joint pipe, the end part of the stressing rod is in butt joint with a spring, the spring is embedded into the butt joint pipe, and the end part of the butt joint pipe is provided with a pressure sensor which is connected with the end part of the spring.
2. The breath exercise test device for clinical medicine department according to claim 1, wherein the cross section of the outside of the detection seat is a cylindrical cavity plate with a chamfer, and the end of the detection seat is provided with a connecting seat and a sliding groove in threaded connection.
3. The breath exercise testing device for clinical medicine according to claim 1, wherein the breath filtering mechanism comprises: a pair of filter cotton blocks, a filter inner core and a one-way valve;
the shell other end is provided with the cartridge filter, the cartridge filter is interior both ends are provided with a pair of cotton piece of filtering, and is a pair of filter the inner core that is provided with honeycomb briquette type structure between the cotton piece of filtering, the cartridge filter is connected with the tip suit of respiratory tube, the cartridge filter is provided with the check valve with respiratory tube connection one end.
4. A clinical internal medicine respiratory exercise test device, according to claim 3, characterized in that the end of the filter cartridge is provided with a threaded sleeve and the end of the housing is provided with a matching threaded groove.
5. The breath exercise test device for clinical medicine department according to claim 3, wherein a pair of protective nets are arranged at two ends of the filter cylinder to block the outer sides of a pair of filter cotton blocks.
6. The clinical medical respiratory exercise testing device according to claim 1, wherein the digital display structure comprises: the digital display screen, the connecting wire and the detection bracelet;
digital display screen installs on one side outer wall of mount pad, digital display screen is connected with the baroreceptor, digital display screen one side is provided with the connecting wire, be provided with on the connecting wire and detect the bracelet.
7. The respiratory exercise testing device for clinical medicine department according to claim 2, characterized in that one side of the connecting seat is provided with a power cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244885.4A CN114452619B (en) | 2022-03-14 | 2022-03-14 | Clinical internal medicine is with breathing exercise testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210244885.4A CN114452619B (en) | 2022-03-14 | 2022-03-14 | Clinical internal medicine is with breathing exercise testing arrangement |
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| CN114452619B true CN114452619B (en) | 2023-04-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108042137A (en) * | 2017-12-19 | 2018-05-18 | 刘姝梅 | A kind of Respiratory Medicine lung functions exercising apparatus |
| CN108704277A (en) * | 2018-08-01 | 2018-10-26 | 皖南医学院第附属医院（皖南医学院弋矶山医院） | Respiratory training instrument with detection function |
| CN210355915U (en) * | 2019-06-25 | 2020-04-21 | 代晗月 | Lung function rehabilitation training device for respiratory department |
| KR102113999B1 (en) * | 2019-10-04 | 2020-05-22 | (주)지에이치이노텍 | A portable respiration measuring apparatus |
| CN112057814A (en) * | 2020-08-28 | 2020-12-11 | 陈敏 | Clinical lung function rehabilitation training device |
| CN214597068U (en) * | 2021-02-26 | 2021-11-05 | 溧阳市人民医院 | Breathe internal medicine vital capacity trainer |
| CN214971619U (en) * | 2021-07-14 | 2021-12-03 | 江春英 | Breathe clinical recovered ware of lung function of internal medicine |
| CN215938948U (en) * | 2021-08-12 | 2022-03-04 | 吉林市中心医院 | Patient pulmonary function rehabilitation training device based on department of respiration |
| CN215691460U (en) * | 2021-09-17 | 2022-02-01 | 威海市立医院 | Clinical respiratory function exercise device |
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