CN114129979A - Lung rehabilitation training device after cardiothoracic surgery - Google Patents
Lung rehabilitation training device after cardiothoracic surgery Download PDFInfo
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- CN114129979A CN114129979A CN202111500064.4A CN202111500064A CN114129979A CN 114129979 A CN114129979 A CN 114129979A CN 202111500064 A CN202111500064 A CN 202111500064A CN 114129979 A CN114129979 A CN 114129979A
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- shell
- lifting cap
- buoyancy
- chamber
- side wall
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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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
Abstract
The invention relates to the field of medical rehabilitation instruments. The purpose is to provide a pulmonary rehabilitation training device after cardiothoracic surgery, which comprises a cylindrical shell, wherein the top of the shell is provided with a bent pipe, one end of the bent pipe is communicated with the top of the shell, and the other end of the bent pipe is connected with an air blowing nozzle; a transverse partition plate is fixedly arranged in the middle of the inside of the shell and divides the shell into an expiration chamber positioned above and a buoyancy driving chamber positioned below; be provided with first lifting cap in the expiration chamber, first lifting cap is upper end opening, lower extreme confined cylindricly, and first lifting cap constitutes vertical sliding fit with expiration chamber, and forms sealedly between the lateral wall of first lifting cap and the lateral wall of expiration chamber. The expiratory impedance is constructed through buoyancy, so that the stability of the expiratory impedance can be ensured, and meanwhile, the expiratory impedance is small in structure and convenient to carry.
Description
Technical Field
The invention relates to the field of medical rehabilitation instruments, in particular to a pulmonary rehabilitation training device after cardiothoracic surgery.
Background
In the actual working process of cardiothoracic surgery, after the patient completes the operation treatment, in order to assist the recovery of lung function, a certain physical treatment is often required in combination with the medication treatment. The usual way is to increase the function of the respiratory muscles by increasing the expiratory impedance. In the aspect of increasing impedance to expiration, a commonly adopted method in the prior art is to utilize a spring to perform resistance confrontation, and when expiration pressure reaches a degree enough to overcome the elasticity of the spring, an air outlet of the instrument is conducted to realize expiration; if the expiratory pressure is not enough to overcome the elastic force of the spring, the air outlet of the appliance is closed, and the normal expiration cannot be realized. However, in the use process of the spring, the generated elastic force of the spring is continuously changed along with the increase of the compression amount, and the resistance is increased along with the increase of the compression degree of the spring; the degree of compression is reduced and the impedance is reduced. This results in a fluctuating impedance that is not accurately set, which may have less impact on rehabilitation training for patients in the late stages of recovery, but which may have a more adverse impact on treatment due to weaker body that is detrimental to the accurate formulation of the treatment plan for patients in the early stages of recovery. Therefore, the prior art also has a scheme of providing expiratory impedance through a counterweight, but most of the counterweight type rehabilitation instruments have complex structures and large volumes and are inconvenient to carry.
Disclosure of Invention
The invention aims to provide a lung rehabilitation training device after cardiothoracic surgery, which can provide stable expiratory impedance training, has a simple and portable structure and is beneficial to rehabilitation training of patients at any time and any place.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a lung rehabilitation training device after cardiothoracic surgery comprises a cylindrical shell, wherein the top of the shell is provided with a bent pipe, one end of the bent pipe is communicated with the top of the shell, and the other end of the bent pipe is connected with an air blowing nozzle;
a transverse partition plate is fixedly arranged in the middle of the inside of the shell and divides the shell into an expiration chamber positioned above and a buoyancy driving chamber positioned below;
a first lifting cap is arranged in the expiration chamber, the first lifting cap is in a cylindrical shape with an open upper end and a closed lower end, the first lifting cap and the expiration chamber form vertical sliding fit, and a seal is formed between the side wall of the first lifting cap and the side wall of the expiration chamber;
the buoyancy driving chamber is internally provided with a driving floating body, the upper end and the lower end of the driving floating body are respectively provided with a vertical upper connecting rod and a vertical lower connecting rod, the upper connecting rod penetrates through a first center hole in the partition plate and is connected with the bottom surface of the first lifting cap, the upper connecting rod and the partition plate form vertical sliding fit, and a seal is formed between the upper connecting rod and the partition plate; the lower connecting rod penetrates through a second center hole in the bottom surface of the buoyancy driving chamber, the lower connecting rod and the bottom surface of the buoyancy driving chamber form vertical sliding fit, and sealing is formed between the lower connecting rod and the bottom surface of the buoyancy driving chamber; the buoyancy driving chamber is filled with buoyancy liquid;
the side wall of the expiration chamber is provided with an expiration hole, and when the first lifting cap is positioned at the upper limit position under the buoyancy action of the driving floating body, the side wall of the first lifting cap is opposite to the expiration hole and forms a seal for the expiration hole; when the expiratory pressure borne by the first lifting cap is greater than the buoyancy of the driving floating body, the side wall of the first lifting cap can descend below the expiratory hole and form conduction to the expiratory hole.
Preferably, the inner wall of the expiration chamber is further provided with an annular limiting ring, the limiting ring is located above the first lifting cap, and the limiting ring is opposite to the upper edge of the first lifting cap.
Preferably, the driving floating body is an adjustable floating body, and the adjustable floating body comprises an upper floating shell and a lower floating shell; the upper floating shell and the lower floating shell are both cylindrical, one end of each cylindrical opening is open, and the other end of each cylindrical opening is closed; the adjustable floating body also comprises an adjusting component for driving the upper floating shell and the lower floating shell to slide mutually; the inner cavity of the adjustable floating body is communicated with the outside through a flexible connecting pipe;
the lower part of the shell is provided with a second lifting cap, the bottom surface of the buoyancy driving chamber is formed by the second lifting cap, the second lifting cap is cylindrical, the upper end of the second lifting cap is opened, the lower end of the second lifting cap is closed, the second lifting cap and the buoyancy driving chamber form vertical sliding fit, and a seal is formed between the side wall of the second lifting cap and the side wall of the buoyancy driving chamber; an annular check ring is arranged on the inner side wall of the lower end of the shell, and a return spring is arranged between the check ring and the bottom surface of the second lifting cap.
Preferably, the adjusting assembly comprises a micro electric push rod arranged on the inner surface of the top of the upper floating shell, and the output end of the micro electric push rod faces downwards and is connected with a cross rod fixedly arranged at the upper end of the lower floating shell.
Preferably, the elbow and the blowing nozzle form detachable connection through a connector.
Preferably, a U-shaped finger clip is arranged on the outer side wall of the shell.
Preferably, rubber sealing gaskets are arranged on the outer side wall of the first lifting cap, the outer side wall of the lower floating shell and the outer side wall of the second lifting cap, and rubber sealing rings are arranged between the upper connecting rod and the lower connecting rod and between the partition plate and the second lifting cap.
Preferably, the exhalation vent is further provided with a marking assembly for indicating the air flow.
Preferably, a water absorption part for absorbing water vapor carried in the exhaled air is further arranged in the exhalation chamber.
The beneficial effects of the invention are concentrated and expressed as follows: construct expiratory impedance through buoyancy, can guarantee expiratory impedance's stability, the structure is small and exquisite simultaneously, portable. Specifically, in the using process of the invention, the shell is held by a hand, after deep suction, the air blowing nozzle is placed at the mouth part for blowing, and the expiratory impedance of the invention comes from the buoyancy of the buoyancy liquid received by the driving floating body; when the expiratory pressure is sufficient, the first lifting cap can overcome the buoyancy force of the driving floating body to fall, so that the expiratory hole is opened, and the expired air flow is exhausted from the expiratory hole; when the expiratory pressure is insufficient, the first lifting cap is always in the upper limit position under the buoyancy action of the driving floating body, and the expiratory hole is blocked by the side wall of the first lifting cap to form sealing. Compared with the traditional spring type impedance structure, the invention can generate extremely stable expiratory impedance, is convenient for accurate impedance matching, and leads the expiratory impedance training of patients to be more scientific and fine. Meanwhile, the invention is used by hand, can be conveniently applied by patients in various environments, and is convenient to use.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in a use state;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B in fig. 1.
Detailed Description
As shown in fig. 1-4, a lung rehabilitation training device after cardiothoracic surgery comprises a cylindrical shell 1, wherein the top of the shell 1 is provided with an elbow 2, one end of the elbow 2 is communicated with the top of the shell 1, and the other end is connected with an air blowing nozzle 3. The bent pipe 2 can be a hard plastic bent pipe, and for adjusting the use angle, a bent pipe with certain flexibility and plasticity, such as a corrugated pipe, a telescopic pipe and the like, can also be used. Blowing nozzle 3 is used for direct and patient's oral area contact, for the convenience of changing, constitute through connector 21 between return bend 2 and the blowing nozzle 3 and can dismantle the connection, can dismantle the concrete form of connection if: threaded, snap-fit, etc.
As shown in fig. 1 and 2, a transverse partition plate 4 is fixedly arranged in the middle of the inside of the casing 1, and the partition plate 4 divides the casing 1 into an upper expiration chamber 5 and a lower buoyancy driving chamber 6. The exhalation chamber 5 is used as an air passage, and the buoyancy driving chamber 6 is mainly used for generating exhalation impedance.
With reference to fig. 1 and 3, a first lifting cap 7 is disposed in the exhalation chamber 5, the first lifting cap 7 is cylindrical, an upper end of the first lifting cap is open, and a lower end of the first lifting cap is closed, the first lifting cap 7 and the exhalation chamber 5 form a vertical sliding fit, and a seal is formed between a side wall of the first lifting cap 7 and a side wall of the exhalation chamber 5, so that a plurality of sealing manners are formed, for example: it is feasible to set up rubber packing on the inside wall of exhaling chamber 5, set up rubber packing etc. on the lateral wall of first lifting cap 7, and this structure is comparatively simple, does not show alone in the figure, and the producer can be according to the concrete adaptation of demand.
The buoyancy driving chamber 6 is internally provided with a driving floating body 8, the upper end and the lower end of the driving floating body 8 are respectively provided with a vertical upper connecting rod 9 and a vertical lower connecting rod 10, and the upper connecting rod 9 and the lower connecting rod 10 are used for guiding the lifting of the driving floating body 8 and are used for connecting the driving floating body 8 with other components in a matching way. As shown in fig. 1, the upper connecting rod 9 passes through the first central hole on the partition plate 4 to be connected with the bottom surface of the first lifting cap 7, the upper connecting rod 9 and the partition plate 4 form a vertical sliding fit, and a seal is formed between the upper connecting rod 9 and the partition plate 4, the most common sealing manner is as follows: and a rubber sealing ring is arranged between the upper connecting rod 9 and the partition plate 4 and can be arranged in a sealing groove on the inner wall of the first central hole. The lower connecting rod 10 penetrates through a second center hole in the bottom surface of the buoyancy driving chamber 6, the lower connecting rod 10 and the bottom surface of the buoyancy driving chamber 6 form vertical sliding fit, sealing is formed between the lower connecting rod 10 and the bottom surface of the buoyancy driving chamber 6, and similarly, a rubber sealing ring can be arranged between the lower connecting rod 10 and the bottom surface of the buoyancy driving chamber 6 and can be installed in a sealing groove in the inner wall of the second center hole. The buoyancy driving chamber 6 is filled with buoyancy liquid, and the buoyancy liquid is used for providing buoyancy for the driving floating body 8 and driving the floating body 8 to float.
Referring to fig. 1, 2 and 3, the sidewall of the exhalation chamber 5 is provided with an exhalation vent 11, and when the first lifting cap 7 is located at the upper limit position under the action of the buoyancy of the driving floating body 8, that is, in the state shown in fig. 1, the sidewall of the first lifting cap 7 is opposite to the exhalation vent 11 and forms a seal for the exhalation vent 11. When the expiratory pressure borne by the first lifting cap 7 is greater than the buoyancy of the driving floating body 8, that is, as shown in fig. 2, the side wall of the first lifting cap 7 can descend below the expiratory hole 11 and form a communication with the expiratory hole 11. In order to limit the upper limit position of the first lifting cap 7, an annular limiting ring 12 is further arranged on the inner wall of the expiration chamber 5, the limiting ring 12 is located above the first lifting cap 7, and the limiting ring 12 is opposite to the upper edge of the first lifting cap 7 so as to ensure the stability of the first lifting cap 7.
In the use process of the invention, the shell 1 is held by hand, and in order to facilitate holding and prevent falling, the outer side wall of the shell 1 is provided with a U-shaped finger clip 22. The shell 1 is held by the palm, and the fingers are inserted into the finger clip 22. After deep suction, the air blowing nozzle 3 is placed at the mouth part for air blowing, and the expiratory impedance of the invention comes from the buoyancy of the buoyancy liquid received by the driving floating body 8; when the expiratory pressure is sufficient, the first lifting cap 7 can overcome the buoyancy of the driving floating body 8 to descend, so that the expiratory hole 11 is opened, and the expired air flow is exhausted from the expiratory hole 11; when the expiratory pressure is insufficient, the first lifting cap 7 is always in the upper limit position under the action of the buoyancy of the driving floating body 8, and the expiratory hole 11 is blocked by the side wall of the first lifting cap 7 to form a seal. On the basis, in order to visually indicate the exhalation, the invention can also be characterized in that the exhalation port 11 is further provided with an identification component for indicating the airflow, the simplest identification component is a ribbon, and the air outlet condition of the exhalation port 11 can be seen through the ribbon waving; an airflow sensor may be installed near the exhalation vent 11, and when airflow passes through the exhalation vent, the airflow may be displayed by an indicator light, or even the airflow passing through the exhalation vent 11 may be indicated visually or audibly by other means. Considering that a great amount of exhaled moisture exists during the use process, the present invention may further include a water absorption component, such as absorbent cotton, absorbent pad, etc., disposed in the exhalation chamber 5 for absorbing the moisture carried in the exhaled air, or may be treated by heating to prevent moisture condensation, etc.
In the above design, the buoyancy to which the floating body 8 is driven is constant, and although stable, the buoyancy cannot be adjusted, so that the present invention may be better configured to adjust the buoyancy, that is, the present invention can generate expiratory impedances of different sizes.
In order to achieve the above object, the driving float 8 according to the present invention is an adjustable float, that is, the volume of the driving float 8 can be adjusted, and then the volume of the driving float 8 is adjusted to generate different buoyancy.
As shown in fig. 1 and 4, the adjustable floating body includes an upper floating shell 13 and a lower floating shell 14. Go up the hull 13 and all be one end opening one end confined cylindricly with lower hull 14, it is relative to go up the hull 13 and the opening of lower hull 14, the lateral wall of lower hull 14 and lower hull 14 cup joints each other, constitute vertical sliding fit, and it is sealed to go up to form between hull 13 and the lower hull 14, it is more to form sealed concrete form, generally can be that the surface that corresponds at last hull 13 or lower hull 14 sets up rubber packing, in figure 4, also can be at the surface of the lateral wall of lower hull 14 or the internal surface of the lateral wall of hull 13 sets up rubber packing.
The adjustable floating body also comprises an adjusting component for driving the upper floating shell 13 and the lower floating shell 14 to slide mutually, and the adjusting component can prop the upper floating shell 13 and the lower floating shell 14 apart to increase the volume of the adjustable floating body and generate larger buoyancy resistance; it is also possible to fold the upper and lower buoyant hulls 13, 14 together to reduce the buoyant resistance, but to a minimum value, still with sufficient buoyancy to drive the first lifting cap 7 to move to the upper limit. The adjusting assembly can be a miniature electric push rod 19, as shown in fig. 4, and the adjusting assembly comprises a miniature electric push rod 19 arranged on the inner surface of the top of the upper floating shell 13, wherein the output end of the miniature electric push rod 19 faces downwards and is connected with a cross rod 20 fixedly arranged at the upper end of the lower floating shell 14. Of course, other ways of achieving the adjustment are possible. Of course, the interior of the adjustable floating body should be capable of supplementing gas along with the volume change of the adjustable floating body so as to prevent the micro electric push rod 19 from being overloaded due to excessive negative pressure, and for this reason, the inner cavity of the adjustable floating body is communicated with the outside through the flexible connecting pipe 15 so as to facilitate the supplement and discharge of the outside air relative to the adjustable floating body. The micro electric push rod 19 can be powered by a storage battery and can also be connected with an external plug through a connecting wire, and when the storage battery is used for supplying power, a wireless charging mode can be matched for use.
Under the condition of adopting the adjustable floating body, when the volume of the adjustable floating body is changed, interference buoyancy liquid in the buoyancy driving cavity 6 needs to be temporarily stored and transferred, therefore, the invention can select the buoyancy driving cavity 6 with a variable volume, when the adjustable floating body is enlarged, the volume of the buoyancy driving cavity 6 can be enlarged along with the enlargement, otherwise, the volume is reduced along with the enlargement; as shown in fig. 1, the lower portion of the housing 1 is provided with a second lifting cap 16, the bottom surface of the buoyancy driving chamber 6 is formed by the second lifting cap 16, the second lifting cap 16 is cylindrical with an open upper end and a closed lower end, the second lifting cap 16 and the buoyancy driving chamber 6 form a vertical sliding fit, and a seal is formed between the side wall of the second lifting cap 16 and the side wall of the buoyancy driving chamber 6, and the seal is generally formed by providing a rubber gasket on the outer side wall of the second lifting cap 16. An annular retainer ring 17 is arranged on the inner side wall of the lower end of the shell 1, and a return spring 18 is arranged between the retainer ring 17 and the bottom surface of the second lifting cap 16. When the volume of the adjustable floating body changes, the floating driving chamber 6 can be adaptively adjusted along with the volume change of the adjustable floating body. Certainly, on the premise that the adjustable buoyancy driving chamber 6 is not adopted, an elastic bag is arranged outside the buoyancy driving chamber 6, and the interference buoyancy liquid is temporarily stored through the elastic bag.
Claims (9)
1. The utility model provides a recovered trainer of lung after cardiothoracic surgery which characterized in that: the air blowing device comprises a cylindrical shell (1), wherein the top of the shell (1) is provided with a bent pipe (2), one end of the bent pipe (2) is communicated with the top of the shell (1), and the other end of the bent pipe is connected with an air blowing nozzle (3);
a transverse partition plate (4) is fixedly arranged in the middle of the inside of the shell (1), and the shell (1) is divided into an upper expiration chamber (5) and a lower buoyancy driving chamber (6) by the partition plate (4);
a first lifting cap (7) is arranged in the expiration chamber (5), the first lifting cap (7) is cylindrical, the upper end of the first lifting cap is open, the lower end of the first lifting cap is closed, the first lifting cap (7) and the expiration chamber (5) form vertical sliding fit, and a seal is formed between the side wall of the first lifting cap (7) and the side wall of the expiration chamber (5);
a driving floating body (8) is arranged in the buoyancy driving chamber (6), the upper end and the lower end of the driving floating body (8) are respectively provided with a vertical upper connecting rod (9) and a vertical lower connecting rod (10), the upper connecting rod (9) penetrates through a first center hole in the partition plate (4) to be connected with the bottom surface of the first lifting cap (7), the upper connecting rod (9) and the partition plate (4) form vertical sliding fit, and a seal is formed between the upper connecting rod (9) and the partition plate (4); the lower connecting rod (10) penetrates through a second center hole in the bottom surface of the buoyancy driving chamber (6), the lower connecting rod (10) and the bottom surface of the buoyancy driving chamber (6) form vertical sliding fit, and a seal is formed between the lower connecting rod (10) and the bottom surface of the buoyancy driving chamber (6); the buoyancy driving chamber (6) is filled with buoyancy liquid;
the side wall of the expiration chamber (5) is provided with an expiration hole (11), and when the first lifting cap (7) is positioned at the upper limit position under the action of buoyancy of the driving floating body (8), the side wall of the first lifting cap (7) is opposite to the expiration hole (11) and forms a seal for the expiration hole (11); when the expiratory pressure borne by the first lifting cap (7) is greater than the buoyancy of the driving floating body (8), the side wall of the first lifting cap (7) can descend below the expiratory hole (11) and form conduction to the expiratory hole (11).
2. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 1, characterized in that: the inner wall of the expiration chamber (5) is further provided with an annular limiting ring (12), the limiting ring (12) is located above the first lifting cap (7), and the limiting ring (12) is opposite to the upper edge of the first lifting cap (7).
3. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 2, characterized in that: the driving floating body (8) is an adjustable floating body which comprises an upper floating shell (13) and a lower floating shell (14); the upper floating shell (13) and the lower floating shell (14) are both cylindrical, one end of each cylindrical opening is closed, the openings of the upper floating shell (13) and the lower floating shell (14) are opposite, the side walls of the lower floating shell (14) and the lower floating shell (14) are sleeved with each other to form vertical sliding fit, and a seal is formed between the upper floating shell (13) and the lower floating shell (14); the adjustable floating body also comprises an adjusting component for driving the upper floating shell (13) and the lower floating shell (14) to slide mutually; the inner cavity of the adjustable floating body is communicated with the outside through a flexible connecting pipe (15);
a second lifting cap (16) is arranged at the lower part of the shell (1), the bottom surface of the buoyancy driving chamber (6) is formed by the second lifting cap (16), the second lifting cap (16) is in a cylindrical shape with an open upper end and a closed lower end, the second lifting cap (16) and the buoyancy driving chamber (6) form vertical sliding fit, and a seal is formed between the side wall of the second lifting cap (16) and the side wall of the buoyancy driving chamber (6); an annular retainer ring (17) is arranged on the inner side wall of the lower end of the shell (1), and a return spring (18) is arranged between the retainer ring (17) and the bottom surface of the second lifting cap (16).
4. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 3, characterized in that: the adjusting component comprises a miniature electric push rod (19) arranged on the inner surface of the top of the upper floating shell (13), the output end of the miniature electric push rod (19) faces downwards and is connected with a cross rod (20) fixedly arranged at the upper end of the lower floating shell (14).
5. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 4, characterized in that: the elbow (2) and the blowing nozzle (3) form detachable connection through a connector (21).
6. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 5, characterized in that: the outer side wall of the shell (1) is provided with a U-shaped finger clip (22).
7. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 6, characterized in that: rubber sealing gaskets are arranged on the outer side wall of the first lifting cap (7), the outer side wall of the lower floating shell (14) and the outer side wall of the second lifting cap (16), and rubber sealing rings are arranged between the upper connecting rod (9) and the lower connecting rod (10) and between the partition plate (4) and the second lifting cap (16).
8. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 7, characterized by: an identification component for indicating the airflow is further arranged at the exhalation hole (11).
9. The cardiothoracic surgery postoperative lung rehabilitation training device of claim 8, characterized by: and a water absorption part for absorbing water vapor carried in the exhaled air is also arranged in the exhalation chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500064.4A CN114129979A (en) | 2021-12-09 | 2021-12-09 | Lung rehabilitation training device after cardiothoracic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500064.4A CN114129979A (en) | 2021-12-09 | 2021-12-09 | Lung rehabilitation training device after cardiothoracic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114129979A true CN114129979A (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111500064.4A Withdrawn CN114129979A (en) | 2021-12-09 | 2021-12-09 | Lung rehabilitation training device after cardiothoracic surgery |
Country Status (1)
| Country | Link |
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| CN (1) | CN114129979A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230801A1 (en) * | 2022-05-31 | 2023-12-07 | 杭州电子科技大学技术转移有限公司 | Respiratory oscillation training instrument having variable ventilation volume |
-
2021
- 2021-12-09 CN CN202111500064.4A patent/CN114129979A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230801A1 (en) * | 2022-05-31 | 2023-12-07 | 杭州电子科技大学技术转移有限公司 | Respiratory oscillation training instrument having variable ventilation volume |
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Application publication date: 20220304 |