CN116077747B - Low-noise negative pressure sputum aspirator - Google Patents
Low-noise negative pressure sputum aspirator Download PDFInfo
- Publication number
- CN116077747B CN116077747B CN202211708503.5A CN202211708503A CN116077747B CN 116077747 B CN116077747 B CN 116077747B CN 202211708503 A CN202211708503 A CN 202211708503A CN 116077747 B CN116077747 B CN 116077747B
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- shell
- rod
- piston rod
- sputum
- sputum aspirator
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 67
- 208000024794 sputum Diseases 0.000 title claims abstract description 67
- 210000003802 sputum Anatomy 0.000 title claims abstract description 66
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003300 oropharynx Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 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
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J19/00—Devices for receiving spittle, e.g. spittoons
- A61J19/02—Sputum flasks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/42—Reducing noise
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application discloses a low-noise negative pressure sputum aspirator, which relates to the technical field of sputum aspirator, and comprises a sputum aspirator body, wherein the sputum aspirator body comprises a pressure regulating mechanism, a control circuit board, a shell and a sputum collecting bottle, the shell is formed by splicing a first shell and a second shell, the control circuit board is positioned in the shell, and the pressure regulating mechanism is positioned above the shell; one end of the adjusting rod is connected with a multichannel tube, a piston rod is arranged in the piston cylinder, a transmission assembly for mute movement of the piston rod is arranged in the driving box, and a leakage hole is formed in one end of the adjusting rod along the length of the rod body; according to the application, through the matching of the sputum aspirator body, the piston rod and the transmission assembly, when a patient is subjected to sputum aspiration operation, vibration and noise generated during operation of the traditional sputum aspirator are effectively reduced, the driving of the piston rod can be converted from rotary motion to linear motion, the transmission path of the traditional piston rod during reciprocating motion is shortened, and the reliability of the sputum aspirator body during use is conveniently improved.
Description
Technical Field
The application relates to the technical field of sputum aspirator, in particular to a low-noise negative pressure sputum aspirator.
Background
An electric sputum aspirator is a portable electric medical aspirator which is convenient for hospitals, fields or transportation. It is used to intermittently suck away secretion, blood or vomit in the airway of patient to ensure the smooth breath of patient. The oropharynx part is usually sucked with high vacuum degree, the trachea part is sucked and sucked for children or infants, and the oropharynx part is usually sucked with low vacuum degree.
The vacuum generator of the existing more electric sputum aspirator mainly depends on a piston crankshaft connecting rod and a diaphragm mechanism, and has heavy motor weight, large space, complex structure, more parts of the connecting rod mechanism, large vibration noise generated by non-linear reciprocating motion of the connecting rod mechanism, high requirements on manufacturing process and size matching and poor reliability; therefore, an improvement is required to deal with the above problems.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides a low-noise negative pressure sputum aspirator.
In order to achieve the above purpose, the present application adopts the following technical scheme: the low-noise negative pressure sputum aspirator comprises a sputum aspirator body, wherein the sputum aspirator body comprises a pressure regulating mechanism, a control circuit board, a shell and a sputum collecting bottle, the shell is formed by splicing a first shell and a second shell, the control circuit board is positioned in the shell, and the pressure regulating mechanism is positioned above the shell;
the pressure regulating mechanism comprises a regulating rod, a vacuum degree regulating wheel, a screw rod, a piston cylinder and a piston rod, wherein the vacuum degree regulating wheel is connected with the screw rod, the regulating rod is connected with the screw rod, one end of the regulating rod is connected with a multichannel tube, the multichannel tube is in sealing connection with the piston cylinder, the piston cylinder is internally provided with the piston rod, the lower end of the piston rod is provided with a driving box, a transmission assembly for the mute movement of the piston rod is arranged in the driving box, and a leakage hole is formed in one end of the regulating rod along the length of the rod body;
a butt joint pipe is arranged in the upper part of the sputum collection bottle, and the outer end of the butt joint pipe is communicated with the air extraction end of the multichannel pipe; the sputum collection bottle is connected to the bottom of the shell; the upper part of one side of the sputum collection bottle is provided with a sputum inlet pipe, and the lower part of the bottle body of the sputum collection bottle is provided with a sputum discharge valve pipe.
Preferably, a battery groove is recessed in the front end face of the second shell, and a battery pack for controlling the circuit board to supply power is arranged in the battery groove; the front end face of the second shell is clamped with a cover plate for compressing and fixing the battery pack.
Preferably, a piston sealing hopper and a piston sealing hopper fixing clamp are arranged below the piston rod, the inner end of the piston rod is fixedly connected with a butt valve plate, the top of the piston cylinder is provided with a pair of air extraction openings, one air extraction opening is internally clamped with a first sealing glue cap, and the other air extraction opening is internally clamped with a second sealing glue cap; the first sealing glue cap and the second sealing glue cap are umbrella-shaped valve cap structures.
Preferably, the transmission assembly comprises a sealing tube penetrating through one side surface of the driving box, a linear motor horizontally arranged on the other inner wall of the driving box and a stabilizer bar transversely fixedly connected to the upper end and the lower end of the inside of the driving box; a plurality of connecting plates are arranged on the movable seat of the linear motor, and the outer end of the piston rod is movably inserted into the driving box from the inside of the sealing pipe; the outer end face of the piston rod is provided with a storage groove, the periphery of the outer end of the inner wall of the storage groove is provided with a plurality of abutting grooves, and the outer end of the connecting plate is inserted into the abutting grooves and fixed through screws.
Preferably, the rod body of the piston rod positioned in the driving box is movably sleeved with a stabilizing annular plate, and the stabilizing rod movably penetrates through the stabilizing annular plate; an anti-collision ring is movably sleeved at two ends of the stabilizer bar, and an annular buffer ring cavity is formed in the anti-collision ring; the anti-collision ring is made of rubber; a plurality of stabilizing balls are clamped on the inner ring wall of the sealing tube in an equidistant rolling mode, and the exposed balls of the stabilizing balls are movably abutted to the outer wall of the piston rod.
Preferably, the vacuum degree adjusting wheel is connected with the screw rod through an adjusting handle spring and an adjusting wheel screw, and an adjusting wheel metal clip is arranged below the vacuum degree adjusting wheel.
Compared with the prior art, the application has the beneficial effects that: according to the application, through the matching of the sputum aspirator body, the piston rod and the transmission assembly, when a patient is subjected to sputum aspiration operation, vibration and noise generated by the existing sputum aspirator during working are effectively reduced, and a connecting rod mechanism with high vibration noise manufacturing process and poor size matching requirements and high reliability is eliminated; the driving of the piston rod can be changed from rotary motion to linear motion, so that the transmission path of the traditional piston rod in reciprocating motion is shortened, and the reliability of the sputum aspirator body in use is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic diagram of a side structure of the present application;
FIG. 3 is a schematic diagram of a front view of the present application;
FIG. 4 is a perspective cross-sectional view of the present application;
FIG. 5 is a schematic view of a front view in cross-section of the structure of the present application;
FIG. 6 is a cross-sectional view of the drive cartridge and piston cartridge configuration of the present application;
fig. 7 is a schematic structural view of the piston cylinder, the first sealing glue cap and the second sealing glue cap according to the present application.
Number in the figure: 1. a sputum aspirator body; 2. a first housing; 3. a second housing; 4. a cover plate; 5. a sputum collection bottle; 6. a sputum inlet tube; 7. a sputum-discharging valve tube; 8. a control circuit board; 9. a battery pack; 10. a drive box; 11. a piston rod; 12. a multichannel tube; 13. a piston cylinder; 14. a piston seal bucket; 15. a silicone valve; 16. a first sealant cap; 17. a second sealant cap; 18. a linear motor; 19. a connecting plate; 20. a stabilizer bar; 21. an anti-collision ring; 22. and (5) connecting the pipes.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Examples: referring to fig. 1 to 7, the low-noise negative pressure sputum aspirator comprises a sputum aspirator body 1, wherein the sputum aspirator body 1 comprises a pressure regulating mechanism, a control circuit board 8, a shell and a sputum collecting bottle 5, the shell is formed by splicing a first shell 2 and a second shell 3, the control circuit board 8 is positioned in the shell, and the pressure regulating mechanism is positioned above the shell; the pressure adjusting mechanism comprises an adjusting rod, a vacuum degree adjusting wheel, a screw rod, a piston cylinder 13 and a piston rod 11, wherein the vacuum degree adjusting wheel is connected with the screw rod, the vacuum degree adjusting wheel is connected with the screw rod through an adjusting handle spring and an adjusting wheel screw, and an adjusting wheel metal clip is arranged below the vacuum degree adjusting wheel; the adjusting rod is connected with the screw rod, one end of the adjusting rod is connected with a multi-channel pipe 12, the multi-channel pipe 12 is in sealing connection with a piston cylinder 13, a piston rod 11 is arranged in the piston cylinder 13, a driving box 10 is arranged at the lower end of the piston rod 11, a transmission component for the mute movement of the piston rod 11 is arranged in the driving box 10, and a leakage hole is formed in one end of the adjusting rod along the length of the rod body; a butt joint pipe 22 is arranged in the upper part of the sputum collection bottle 5, and the outer end of the butt joint pipe 22 is communicated with the air extraction end of the multichannel tube 12; the sputum collection bottle 5 is connected to the bottom of the shell; the upper part of one side of the sputum collection bottle 5 is provided with a sputum inlet pipe 6, and the lower part of the bottle body of the sputum collection bottle 5 is provided with a sputum discharge valve pipe 7; the front end surface of the second shell 3 is sunken with a battery groove, and a battery pack 9 for controlling the power supply of the circuit board 8 is arranged in the battery groove; the front end face of the second shell 3 is clamped with a cover plate 4 for tightly pressing and fixing the battery pack 9; through the matching of the sputum aspirator body 1, the piston rod 11 and the transmission component, when a patient is in sputum aspiration operation, the vibration and noise generated by the existing sputum aspirator during working are effectively reduced, and a connecting rod mechanism with high vibration noise manufacturing process and poor size matching requirements and high reliability is eliminated; the driving of the piston rod 11 can be changed from rotary motion to linear motion, so that the transmission path of the traditional piston rod 11 in reciprocating motion is shortened, and the reliability of the sputum aspirator body 1 in use is improved conveniently.
In the application, a piston seal bucket 14 and a piston seal bucket fixing clamp are arranged below a piston rod 11, the inner end of the piston rod 11 is fixedly connected with a butt valve plate 15, the piston seal bucket 14 is made of PTFE material, the wear resistance is very good at high temperature and the price is low, the top of a piston cylinder 13 is provided with a pair of extraction openings, one of the extraction openings is internally clamped with a first seal glue cap 16 inwards, and the other extraction opening is internally clamped with a second seal glue cap 17 outwards; the first sealing glue cap 16 and the second sealing glue cap 17 are umbrella-shaped valve cap structures.
In the application, the transmission assembly comprises a sealing tube penetrating through one side surface of the driving box 10, a linear motor 18 horizontally arranged on the other inner wall of the driving box 10 and a stabilizer bar 20 transversely fixedly connected to the upper end and the lower end of the inside of the driving box 10; a plurality of connecting plates 19 are arranged on the movable seat of the linear motor 18, and the outer end of the piston rod 11 is movably inserted into the driving box 10 from the inside of the sealing tube; the outer end face of the piston rod 11 is provided with a storage groove, the periphery of the outer end of the inner wall of the storage groove is provided with a plurality of abutting grooves, and the outer end of the connecting plate 19 is inserted into the abutting grooves and fixed by screws; a stabilizing annular plate is movably sleeved on a rod body of the piston rod 11 positioned in the driving box 10, and the stabilizing rod 20 movably penetrates through the stabilizing annular plate; the two ends of the stabilizer bar 20 are movably sleeved with an anti-collision ring 21, and an annular buffer ring cavity is formed in the anti-collision ring 21; the anti-collision ring 21 is made of rubber; the equidistant rolling joint has a plurality of stable balls on the inner circle wall of sealed tube, and the exposed bead body of stable ball and the outer wall activity butt of piston rod 11 improve the stability of piston rod 11 when reciprocating motion.
Working principle: in this embodiment, the application also provides a method for using the low-noise negative pressure sputum aspirator, which includes the following steps:
firstly, sleeving a catheter for sucking out sputum in the throat of a patient on the outer end of a sputum inlet pipe 6, and starting a linear motor 18 through a control circuit board 8 to drive a piston rod 11 fixedly connected with a connecting plate 19 on a movable seat to perform reciprocating transverse movement;
a system capable of closing and also having a tiny channel is formed among the piston seal bucket 14, the piston cylinder 13, the multichannel tube 12 and the regulating rod, the tiny leakage channel is realized by regulating the rotation of the vacuum degree regulating wheel, the regulating wheel is regulated to drive the screw rod clockwise, then the regulating rod is driven to advance leftwards, the design of the regulating rod is a conical surface at the sealing place with the multichannel tube 12, so that the regulating rod and the multichannel tube 12 are tightly sealed, the sealing of the regulating rod and the multichannel tube 12 is started to be opened if anticlockwise, and the leakage hole is also opened to be leaked to a certain extent, so that the regulation of negative pressure from 0mmHg to 550mmHg is realized, even if the transmission component drives the piston rod 11 to be vacuumized all the time;
when the linear motor 18 pushes the piston rod 11 and the piston seal bucket 14 to move upwards, the left first seal rubber cap 16 is quickly opened, the right second seal rubber cap 17 is quickly opened to discharge all the gas in the pump basically, if the gas is discharged, the left first seal rubber cap 16 quickly closes the pump through the self gravity of the outer ring, then the linear motor 18 quickly rotates to the pumping process, the left first seal rubber cap 16 is still closed, the right second seal rubber cap 17 is quickly opened to communicate with the multichannel tube 12, the whole piston cylinder 13 and the multichannel tube 12 are both negative pressure, the vacuum pumping operation is further carried out on the sputum collection bottle 5, and then sputum can be pumped out through a catheter inserted into the throat of a patient, so that the function of the electric sputum aspirator can be realized;
step four, the linear motor 18 drives the piston rod 11 to reciprocate, through the cooperation of the sealing tube and the stabilizer bar 20, not only the stability and the stability of the piston rod 11 during reciprocating motion can be improved, but also the vibration and the noise generated during driving of the transmission motor are reduced, the transmission path of the traditional piston rod 11 during reciprocating motion is shortened, and the reliability of the sputum aspirator body 1 during use is conveniently improved.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (3)
1. The utility model provides a low noise negative pressure sputum aspirator, includes sputum aspirator body (1), its characterized in that: the sputum aspirator body (1) comprises a pressure regulating mechanism, a control circuit board (8), a shell and a sputum collecting bottle (5), wherein the shell is formed by splicing a first shell (2) and a second shell (3), the control circuit board (8) is positioned in the shell, and the pressure regulating mechanism is positioned above the shell;
the pressure regulating mechanism comprises a regulating rod, a vacuum degree regulating wheel, a screw rod, a piston cylinder (13) and a piston rod (11), wherein the vacuum degree regulating wheel is connected with the screw rod, the regulating rod is connected with the screw rod, one end of the regulating rod is connected with a multichannel tube (12), the multichannel tube (12) is in sealing connection with the piston cylinder (13), the piston rod (11) is arranged in the piston cylinder (13), a driving box (10) is arranged at the lower end of the piston rod (11), a transmission assembly for the mute movement of the piston rod (11) is arranged in the driving box (10), and a leakage hole is formed in one end of the regulating rod along the length of the rod body;
a butt joint pipe (22) is arranged in the upper part of the sputum collection bottle (5), and the outer end of the butt joint pipe (22) is communicated with the air extraction end of the multichannel pipe (12); the sputum collection bottle (5) is connected to the bottom of the shell; a sputum inlet pipe (6) is arranged at the upper part of one side of the sputum collection bottle (5), and a sputum discharge valve pipe (7) is arranged at the lower part of the bottle body of the sputum collection bottle (5);
a piston sealing hopper (14) and a piston sealing hopper fixing clamp are arranged below the piston rod (11), the inner end of the piston rod (11) is fixedly connected with a butt valve plate (15), the top of the piston cylinder (13) is provided with a pair of extraction openings, one extraction opening is internally clamped with a first sealing glue cap (16) inwards, and the other extraction opening is internally clamped with a second sealing glue cap (17) outwards; the first sealing glue cap (16) and the second sealing glue cap (17) are umbrella-shaped valve cap structures;
the transmission assembly comprises a sealing tube penetrating through one side surface of the driving box (10), a linear motor (18) horizontally arranged on the other inner wall of the driving box (10) and a stabilizer bar (20) transversely fixedly connected to the upper end and the lower end of the inside of the driving box (10); a plurality of connecting plates (19) are arranged on the movable seat of the linear motor (18), and the outer end of the piston rod (11) is movably inserted into the driving box (10) from the inside of the sealing tube; the outer end face of the piston rod (11) is provided with a storage groove, the periphery of the outer end of the inner wall of the storage groove is provided with a plurality of abutting grooves, and the outer end of the connecting plate (19) is inserted into the abutting grooves and fixed by screws;
the rod body of the piston rod (11) positioned in the driving box (10) is movably sleeved with a stabilizing annular plate, and the stabilizing rod (20) movably penetrates through the stabilizing annular plate; an anti-collision ring (21) is movably sleeved at two ends of the stabilizer bar (20), and an annular buffer ring cavity is formed in the anti-collision ring (21); the anti-collision ring (21) is made of rubber; a plurality of stabilizing balls are clamped on the inner ring wall of the sealing tube in an equidistant rolling mode, and the exposed balls of the stabilizing balls are movably abutted to the outer wall of the piston rod (11).
2. The low noise negative pressure sputum aspirator of claim 1, wherein: the front end face of the second shell (3) is sunken with a battery groove, and a battery pack (9) for controlling the power supply of the circuit board (8) is arranged in the battery groove; the front end face of the second shell (3) is clamped with a cover plate (4) for tightly pressing and fixing the battery pack (9).
3. The low noise negative pressure sputum aspirator of claim 1, wherein: the vacuum degree adjusting wheel is connected with the screw rod through an adjusting handle spring and an adjusting wheel screw, and an adjusting wheel metal clip is arranged below the vacuum degree adjusting wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708503.5A CN116077747B (en) | 2022-12-29 | 2022-12-29 | Low-noise negative pressure sputum aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708503.5A CN116077747B (en) | 2022-12-29 | 2022-12-29 | Low-noise negative pressure sputum aspirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116077747A CN116077747A (en) | 2023-05-09 |
| CN116077747B true CN116077747B (en) | 2023-11-24 |
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ID=86203785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211708503.5A Active CN116077747B (en) | 2022-12-29 | 2022-12-29 | Low-noise negative pressure sputum aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116077747B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678155A (en) * | 2007-05-07 | 2010-03-24 | 卡尔梅利·阿达汗 | Suction system |
| CN109621034A (en) * | 2019-01-11 | 2019-04-16 | 挪度医疗器械（苏州）有限公司 | A kind of electric suction apparatus |
| CN111373148A (en) * | 2017-11-29 | 2020-07-03 | Ulvac机工株式会社 | Vacuum generating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2378734A (en) * | 2001-08-14 | 2003-02-19 | Carmeli Adahan | Disposable pump with detachable motor |
| WO2007013064A1 (en) * | 2005-07-24 | 2007-02-01 | Carmeli Adahan | Suctioning system, method and kit |
-
2022
- 2022-12-29 CN CN202211708503.5A patent/CN116077747B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678155A (en) * | 2007-05-07 | 2010-03-24 | 卡尔梅利·阿达汗 | Suction system |
| CN111373148A (en) * | 2017-11-29 | 2020-07-03 | Ulvac机工株式会社 | Vacuum generating device |
| CN109621034A (en) * | 2019-01-11 | 2019-04-16 | 挪度医疗器械（苏州）有限公司 | A kind of electric suction apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116077747A (en) | 2023-05-09 |
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