CN216908761U

CN216908761U - Rapid and safe sputum aspirator for emergency internal medicine

Info

Publication number: CN216908761U
Application number: CN202122719031.0U
Authority: CN
Inventors: 宋连香; 何辉; 方虹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-08
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a quick and safe sputum aspirator for an emergency internal medicine, which is characterized by at least comprising a sputum aspirator, a sputum aspirator rotating part and a sputum aspirator extending part. Inhale phlegm pipe detachably in order to follow inhale phlegm pipe axis circumference free rotation's mode connect in inhale on the phlegm pipe extension, inhale the phlegm pipe with inhale the outside of junction of phlegm pipe extension and cup jointed and inhale the phlegm pipe rotating part, it has the gear to inhale phlegm pipe rotating part inside, it is equipped with fixed ring gear on the phlegm pipe outer wall to inhale the phlegm pipe, the ring gear can drive through the gear inhale the phlegm pipe and follow self axial rotation in a circumferential direction, and inhale the phlegm pipe extension and do not rotate thereupon. Such design can make the sputum that inhales the phlegm pipe and can clean the sputum that is located respiratory mucosa department through rotatory operation when normal work to inhale the rotation that the phlegm pipe extension can not follow the phlegm pipe and rotate.

Description

Rapid and safe sputum aspirator for emergency internal medicine

Technical Field

The utility model relates to the technical field of medical sputum suction auxiliary instruments, in particular to a quick and safe sputum aspirator for emergency internal medicine.

Background

Inhale phlegm is clinical common nursing operation, and the sputum aspirator prevents and treats respiratory track obstruction, the unable phlegm that coughs out glues phlegm, consciousness is unclear, the sputum excretion difficulty, the indispensable important instrument of patient who implements trachea cannula art, the sputum aspirator that uses at present is owing to do not guide the relevant setting of sputum trend, sputum uncontrollable when leading to collecting sputum/control negative pressure, remove simultaneously and inhale the phlegm pipe and damage respiratory track inner wall mucous membrane easily, cause the mucous membrane to go out blood, also glue stifled phlegm drill way or viscidity in inhaling the phlegm intraductal, can not reach treatment. The sputum suction tube added with the lubricating liquid is practical, but the sputum suction tube is complicated in manufacturing and cannot meet the time and preparation requirements of emergency sputum suction work. In the sputum suction operation, the inner wall mucous membrane is damaged in the process of inserting the sputum suction tube into the respiratory tract, the sputum suction holes adsorb the inner wall mucous membrane of the respiratory tract to cause damage and the like, so that the sputum suction tube not only cannot achieve the treatment effect, but also can cause discomfort of a patient and further infection and the like.

Chinese patent CN209630273U discloses a sputum aspirator with inhale phlegm pipe rack, including sputum aspirator body and swing joint inhale the phlegm cup in sputum aspirator body one side, the rear end face swing joint of sputum aspirator body has the rack that is used for placing the sputum aspirator pipe, set up the standing groove that sets up side by side on the rack, the lateral wall fixedly connected with of rack is used for the joint to inhale the snap ring of phlegm cup. This sputum aspirator passes through the rack of swing joint on the sputum aspirator body, and the effectual tradition of having solved is inhaled the phlegm pipe and can't leave the problem on the sputum aspirator, has brought more convenient medical condition for vast medical personnel for more convenient taking in the first aid process inhales the phlegm pipe, strives for the valuable time for rescuing life, but the rack high-speed joint inhales the phlegm cup simultaneously, provides effectual support for inhaling the phlegm cup, is convenient for inhale the independent use of phlegm cup. However, the patent has defects, solves the problem that the sputum suction tube is inconvenient to store and take, but does not improve the efficiency and the practicability of the sputum suction tube.

Chinese patent publication No. CN201366118 discloses a rotary sputum aspirator tube. The sputum suction pipe comprises a T-shaped three-way pipe, an upper branch pipe end of the three-way pipe is connected with a sputum suction hose, one end of an upper main branch pipe of the three-way pipe is externally connected with a gas negative pressure, the other end of the three-way pipe is provided with a hollow guide post which is deeply inserted into the main branch pipe, the inner end of the guide post is provided with two racks, the outer end of the guide post is provided with a sealing cover and a spring, and the outer end of the spring is provided with a pressing cap; an inserted hollow rotating shaft is arranged at the pipe end of an upper branch of the three-way pipe, a gear which can be matched with the two racks is arranged at the inner end of the rotating shaft, a plug is arranged at the outer end of the rotating shaft, and the sputum suction hose penetrates through a middle hole of the plug and is connected with the hollow rotating shaft; the rack opening limiting device is characterized in that the outer ends of the two racks are provided with a beam for limiting the racks to open. The rotation type of this patent is inhaled the phlegm pipe and has been solved two racks and the effective complex problem of gear, can realize inhaling the rotation of phlegm pipe single direction under the condition of finger control, easy operation easily learns easily to understand to the purpose of realizing the sputum of inhaling completely reduces the painful and infection chance of patient.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor has studied a lot of documents and patents when making the present invention, but the space is not limited to the details and contents listed in the above, however, the present invention is by no means free of the features of the prior art, but the present invention has been provided with all the features of the prior art, and the applicant reserves the right to increase the related prior art in the background.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the technical scheme of the utility model is to provide a quick and safe sputum aspirator for emergency internal medicine.

According to a preferred embodiment, the rapid and safe sputum aspirator for the emergency internal medicine at least comprises a sputum aspirating tube, a sputum aspirating tube rotating part and a sputum aspirating tube extending part, wherein the sputum aspirating tube is detachably connected to the sputum aspirating tube extending part in a manner of freely rotating along the circumferential direction of the axis of the sputum aspirating tube, the sputum aspirating tube rotating part is sleeved outside the joint of the sputum aspirating tube and the sputum aspirating tube extending part, a gear is arranged inside the sputum aspirating tube rotating part, a fixed gear ring is arranged on the outer wall of the sputum aspirating tube, the gear ring can drive the sputum aspirating tube to circumferentially rotate along the axial direction of the sputum aspirator through the gear, and the sputum aspirating tube extending part does not rotate along with the sputum aspirating tube extending part. Such design can make the sputum that inhales the phlegm pipe and can clean the sputum that is located respiratory mucosa department through rotatory operation when normal work to inhale the rotation that the phlegm pipe extension can not follow the phlegm pipe and rotate. Preferably, the sputum suction tube extension part and the sputum suction tube can be a two-component injection molding part, namely, the connection part of the sputum suction tube extension part and the sputum suction tube is an elastic part, wherein the two parts are injection molded by a softer material and attached in a rotatable connection mode.

According to a preferred embodiment, a motor is arranged in the rotating part of the sputum suction tube, the gear is connected to the motor, and the sputum suction tube is meshed with the gear ring in a manner of rotating circumferentially along the axial direction of the sputum suction tube under the driving of the motor. In the normal work of sputum aspirator, only need the starter motor, inhale the phlegm pipe and just can follow self central axis rotation, can clean the sputum that is located respiratory tube mucous membrane all around, do not need the operation to inhale the phlegm pipe and clean from top to bottom or left and right sides. This way the fragile respiratory tract of the patient is protected against breakage due to violent movements.

According to a preferred embodiment, the side part of the sputum suction tube is provided with a plurality of side holes for sucking sputum. A plurality of sputum suction holes can prevent that the sputum blockage is inhaled the mouth of a hole or is detained and lead to inhaling the phlegm inefficiency in inhaling the phlegm pipe because of the sputum, possibly even the infection appears.

According to a preferred embodiment, the connection part of the sputum suction pipe extension part and the sputum suction pipe is provided with a bending angle which is in accordance with the throat structure of a human body, the sputum suction pipe extension part extends outwards and penetrates into a recovery part for recovering sputum, and a sputum outlet of the sputum suction pipe extension part is provided with a one-way channel for preventing the backflow of the sputum. The bent structure of the sputum suction pipe extension part can reduce the pain of the patient, the damage to the respiratory tract mucous membrane and the convenience degree of intubation when the sputum suction pipe goes deep into the respiratory tract of the patient. The one-way channel that the department of the sputum-discharging of inhaling the phlegm pipe extension set up can prevent that the sputum from getting back to in inhaling the phlegm pipe through the sputum-discharging mouth after entering into recovery portion, forming the sputum scab, blockking up and inhaling the phlegm pipe.

According to a preferred embodiment, the collection portion is internally provided with an inclined sputum trap. The sputum has great impulsive force when flowing into the recovery part after inhaling the phlegm pipe, leads the sputum trend through drawing the phlegm groove, can reduce the polluted environment, cause the probability of healthy hidden danger to the operator.

According to a preferable embodiment, the recycling part is connected with an air exhaust part, and a plurality of layers of baffles for preventing sputum from entering the air exhaust part are arranged at the joint of the recycling part and the air exhaust part. The baffle has prevented that the sputum that is located the recovery portion from flowing into the portion of bleeding that has aspirator and breathing machine, lets it avoid receiving the sputum pollution, makes the portion of bleeding can reuse.

According to a preferred embodiment, the suction portion is in two sections, a first section connected to the recovery portion and a second section provided with an opening facilitating the docking with the ventilator. The two air pumping modes of the air pump and the air pump of the respirator can be separated by separating into two sections, so that the air pumping mode with better effect or the air pumping at the same time can be selected according to the requirements of actual conditions.

According to a preferred embodiment, the first section is divided into two chambers, the first chamber comprises a first pumping hole, an air pump and a battery element, the first pumping hole is located on the end baffle at the junction of the recovery part and the air pumping part, a pipeline is connected with a pumping port of the air pump through the first pumping hole, the second chamber is a ventilator pumping chamber and comprises a second pumping hole and a flow passage for gas circulation, the second pumping hole is located below the first pumping hole, and the first chamber and the second chamber are separated by a partition plate. Divide into two cavities with first section, two cavities have two aspirating holes respectively, and first the air extractor is bled through the pipeline of being connected with the aspirating hole, and the operation of bleeding can only be carried out through other aspirating holes to the breathing machine, and second has guaranteed that the air extractor bleeds and the breathing machine is bled separately and is operated, and the third is after cutting apart into two cavities, and the space that the air flows reduces, and the corresponding speed that flows increases, increases the efficiency of bleeding.

According to a preferred embodiment, the first chamber extends and exhausts only from the aspirator exhaust pipe towards the second section, the remaining part not communicating with the second section, the second chamber communicating directly with the second section. The first chamber is not communicated with the second section so as to ensure that the air extractor does not receive interference of other factors, and the second chamber is communicated with the second section so that the air extractor can extract air through the second chamber.

According to a preferred embodiment, the second section is adapted to discharge gas through an opening thereof, the second section being provided with said opening for connection to a ventilator.

The utility model has the beneficial technical effects that:

(1) through inhaling the phlegm pipe, inhaling phlegm pipe rotating part and inhaling the combination of phlegm pipe extension three, inhale the side opening that has on the phlegm pipe and inhale the effect of phlegm pipe rotating part and follow self axial circumference rotation down to clean respiratory tract mucous membrane sputum all around and need not remove and inhale the phlegm pipe, just can not cause the injury to the patient yet. The combination of the sputum suction tube and the sputum suction tube extension part ensures that the sputum suction tube extension part is kept still when the sputum suction tube rotates, and meanwhile, the sputum suction tube extension part has a bending angle which is in accordance with the throat structure of a human body, thereby reducing the pain of a patient during intubation.

(2) Through the design of separately utilizing air extractor and breathing machine to bleed of first cavity and second cavity, give multiple selection with the mode of sputum aspirator work, adapt to the use under the various special conditions simultaneously, for example, breathing machine trouble, air extractor battery are used up or patient's sputum too much needs high-power to bleed.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the rapid and safe sputum aspirator for emergency internal medicine of the present invention;

FIG. 2 is a schematic structural view of a preferred embodiment of the suction catheter and the rotating portion of the suction catheter of the present invention;

FIG. 3 is a schematic structural view of a preferred embodiment of the pumping section of the present invention.

List of reference numerals

1: a sputum suction tube; 2: a sputum aspirator rotating part; 3: a suction catheter extension; 4: a recovery unit; 5: an air extraction part; 101: a ring gear; 102: a side hole; 201: a gear; 202: a motor; 401: a sputum drainage groove; 501: a first stage; 502: a second stage; 510: a first chamber; 511: a first air extraction hole; 512: an air extractor; 513: a battery element; 520: a second chamber; 521: a second air extraction hole; 522: a flow channel; 530: and (4) a partition board.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

Examples

The utility model relates to an emergency internal medicine is quick safe sputum aspirator for department, at least including inhaling phlegm pipe 1, inhale phlegm pipe rotating part 2 and inhale phlegm pipe extension 3, inhale the mode that phlegm pipe 1 detachably can follow and inhale 1 axis circumference free rotation of phlegm pipe and connect on inhaling phlegm pipe extension 3, inhale phlegm pipe 1 and inhale the outside of junction of phlegm pipe extension 3 and cup jointed and inhale phlegm pipe rotating part 2, it has gear 201 to inhale phlegm pipe rotating part 2 inside, it is equipped with fixed ring gear 101 on the outer pipe wall of phlegm pipe 1 to inhale, ring gear 3 can drive through gear 201 and inhale phlegm pipe 1 along self axial circumference rotation, and inhale phlegm pipe extension 3 and not rotatory thereupon. Due to the design, the sputum suction pipe 1 can clean sputum at the respiratory mucosa through rotation operation during normal work, and the sputum suction pipe extension part 3 cannot rotate along with the rotation of the sputum suction pipe 1. Preferably, the sputum aspirator tube extension 3 and the sputum aspirator tube 1 may be a two-component injection molded part, that is, the connection between the sputum aspirator tube extension 3 and the sputum aspirator tube 1 is an elastic part, wherein both are injection molded by a softer material and attached in a rotatable connection manner.

According to a preferred embodiment, the sputum aspirator tube rotating part 2 is sleeved at the joint of the sputum aspirator tube 1 and the sputum aspirator tube extension part 3. Preferably, the rotating portion 2 of the sputum aspirator tube has a hollow tube along the outer surface of the extension of the sputum aspirator tube to seal the wires therein, and the wires are connected to the battery element 520.

According to a preferred embodiment, a motor 202 is arranged in the sputum aspirator rotating part 2, a gear 201 is connected to the motor 202, and the motor 202 drives the sputum aspirator 1 to rotate along the axial direction of the sputum aspirator rotating part and engage with the gear ring 3. In the normal work of sputum aspirator, only need starter motor 202, inhale phlegm pipe 1 and just can follow self central axis rotation, can clean the sputum that is located respiratory tube mucous membrane all around, do not need the operation to inhale phlegm pipe 1 and clean from top to bottom or about. This way the fragile respiratory tract of the patient is protected against breakage due to violent movements. The motor 202 is connected to the battery element 520 via the electrical wires of the rotary part 2 of the suction catheter and receives current and control.

According to a preferred embodiment, the motor 202 may be a micro-motor so that it occupies a space small enough to be disposed inside the rotating portion 2 of the suction catheter, for example a model 30GT2R82234P Switzerland Portescap micro-motor brushless DC motor.

According to a preferred embodiment, the side of the sputum aspirator 1 is provided with a plurality of side holes 102 for aspirating sputum. The side holes 201 may be uniformly distributed in the axial direction. The plurality of sputum suction holes can prevent the sputum suction efficiency from being low and even possible infection from occurring due to the blockage of sputum suction orifices or retention of sputum in the sputum suction pipes.

According to a preferred embodiment, the sputum suction tube extension 3 has a bending angle corresponding to the throat structure of the human body at the joint with the sputum suction tube 1, the sputum suction tube extension 3 extends outwards and penetrates into the recovery part 4 for recovering sputum, and the sputum outlet of the sputum suction tube extension 3 is provided with a one-way channel for preventing the backflow of the sputum. The bent structure of the sputum suction pipe extension part can reduce the pain of the patient, the damage to the respiratory tract mucous membrane and the convenience degree of intubation when the sputum suction pipe goes deep into the respiratory tract of the patient. The one-way channel that the department of the sputum-discharging of inhaling the phlegm pipe extension set up can prevent that the sputum from getting back to in inhaling the phlegm pipe through the sputum-discharging mouth after entering into recovery portion, forming the sputum scab, blockking up and inhaling the phlegm pipe.

According to a preferred embodiment, the one-way channel may be formed by a plurality of fan-shaped paddles at the end of the extension 3, and the plurality of fan-shaped paddles form a circle around the end of the sputum tube to block the sputum from flowing back into the extension 3. Preferably, the sector paddle is an injection-molded part which is injection-molded from an elastic material and can be opened toward the recovery portion 4 by suction, whereas it cannot be opened by suction.

According to a preferred embodiment, the one-way channel can be a one-way valve added to the extension 3 of the suction catheter to control the direction of the sputum flow.

According to a preferred embodiment, the inside sputum suction groove 401 that is provided with the slope of recovery part 4 is behind inhaling phlegm pipe 1, and the impulsive force that has great when flowing into recovery part 4 through drawing sputum suction groove 401 and leading the sputum trend, can reduce the polluted environment, cause the probability of health hidden danger to the operator.

According to a preferred embodiment, the inclined sputum-guiding trough 401 can be provided with an opening at the position of reaching after guiding the sputum to the recovery part 4, the opening is connected with the external sputum-collecting tank, the sputum cannot flow out again after flowing into the sputum-collecting tank, the sputum can be prevented from flowing backwards into the air suction part 5 to cause pollution, and cleaning, disinfection and replacement are facilitated.

According to a preferred embodiment, the recovery part 4 is connected with the air extraction part 5, and the connection part of the recovery part 4 and the air extraction part 5 is provided with a plurality of layers of baffles for preventing the sputum from entering the air extraction part 5. The baffle has prevented that the sputum that is located the recovery portion from flowing into the portion of bleeding that has aspirator and breathing machine, lets it avoid receiving the sputum pollution, makes the portion of bleeding can reuse.

According to a preferred embodiment, the baffle may be a combination of several net-shaped injection molded parts and one injection molded part having the first and second suction holes 511 and 521. The reticular injection molding part does not hinder the normal operation of air suction after intercepting the flow of sputum. Preferably, the baffle is replaceable at any time and is a disposable element.

According to a preferred embodiment, the suction portion 5 is divided into two sections, a first section 501 connected to the recovery portion 4 and a second section 502 provided with an opening facilitating the docking with the ventilator. The two air pumping modes of the air pump and the air pump of the respirator can be separated by separating into two sections, so that the air pumping mode with better effect or the air pumping at the same time can be selected according to the requirements of actual conditions.

According to a preferred embodiment, the first section 501 is divided into two chambers, the first chamber 510 includes a first pumping hole 511, a pump 512 and a battery element 513, the first pumping hole 511 is located on a last baffle at the junction of the recovery part 4 and the pumping part 5 and a pipe is connected with a pumping port of the pump 512 via the first pumping hole 511, the second chamber 520 is a ventilator pumping chamber including a second pumping hole 521 and a flow passage 522 for gas circulation, the second pumping hole 521 is located below the first pumping hole 511 and the first chamber 510 is separated from the second chamber 520 by a partition 530. Divide into two cavities with first section 501, two cavities have two aspirating holes respectively, and first the air extractor is bled through the pipeline of being connected with the aspirating hole, and the operation of bleeding can only be carried out through other aspirating holes to the breathing machine, and second has guaranteed that the air extractor bleeds and the breathing machine is bled separately and is operated, and the third is after cutting apart into two cavities, the space that the air flows reduces, and the corresponding speed that flows increases, increases the efficiency of bleeding.

According to a preferred embodiment, the battery unit 513 includes a power cord, a battery pack connected to the air extractor 512 and the motor 202 via the power cord, and a switch disposed outside the air extraction portion 5 for controlling the start and stop of the motor 202 and the air extractor 512 via the switch.

According to a preferred embodiment, the first chamber 510 is extended and exhausted towards the second section 502 only by the exhaust pipe of the air extractor 512, the remaining part is not in communication with the second section 502, and the second chamber 520 is in direct communication with the second section 502. The first chamber 510 is not in communication with the second section 502 to ensure that the air pump 512 does not interfere with other factors, and the second chamber 520 is in communication with the second section 502 to enable the air pump to pump air through the second chamber 520.

According to a preferred embodiment, the second section 502 is adapted to discharge gas through its opening, the second section 502 being provided with an opening for connection to a ventilator.

For easy understanding, the working principle and the using method of the rapid and safe sputum aspirator for emergency internal medicine of the utility model are discussed.

The parts of the rapid and safe sputum aspirator are first docked together and then the air pump 512 is started and/or the ventilator is switched in via the second section 502. Will inhale phlegm pipe 1 and go deep into and inhale the phlegm operation in the patient's respiratory track, inhale the phlegm in-process and can start motor 202 and drive and inhale phlegm pipe 1 and rotate the clearance in patient's respiratory track inside, will glue the sputum on the respiratory track mucous membrane and suck away. After the sputum suction is completed, the sputum in the recovery part 4 is properly treated and all the parts are disassembled for cleaning, disinfection and replacement.

Throughout this document, the features referred to as "preferred" are only an optional feature and should not be understood as necessarily requiring that such applicant reserves the right to disclaim or delete the associated preferred feature at any time.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the utility model. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. A rapid and safe sputum aspirator for emergency internal medicine is characterized by at least comprising a sputum aspirator tube (1), a sputum aspirator tube rotating part (2) and a sputum aspirator tube extending part (3),

the sputum suction pipe (1) is detachably connected to the sputum suction pipe extension part (3) in a manner of freely rotating along the circumferential direction of the axis of the sputum suction pipe (1),

the sputum suction pipe is characterized in that a sputum suction pipe rotating part (2) is sleeved outside the joint of the sputum suction pipe (1) and the sputum suction pipe extending part (3), a gear (201) is arranged inside the sputum suction pipe rotating part (2), a fixed gear ring (101) is arranged on the outer pipe wall of the sputum suction pipe (1), the gear ring (101) can drive the sputum suction pipe (1) to rotate circumferentially along the axial direction of the sputum suction pipe (1), and the sputum suction pipe extending part (3) does not rotate along with the sputum suction pipe.

2. The rapid and safe sputum aspirator of claim 1, wherein the rotating part (2) of the sputum aspirator tube is internally provided with a motor (202), the gear (201) is connected to the motor (202), and the gear is meshed with the gear ring (101) under the driving of the motor (202) in such a way that the sputum aspirator tube (1) rotates circumferentially along its own axis.

3. A rapid and safe sputum aspirator according to claim 2, characterized in that the side of the sputum aspirator tube (1) is provided with a plurality of side holes (102) for aspirating sputum.

4. A rapid and safe sputum aspirator according to claim 3, wherein the sputum aspirator extension part (3) has a bending angle corresponding to the structure of throat of human body at the connection with the sputum aspirator (1), the sputum aspirator extension part (3) extends outwards and penetrates into the recovery part (4) for recovering sputum, wherein the sputum outlet of the sputum aspirator extension part (3) is provided with a one-way channel for preventing the backflow of sputum.

5. A rapid and safe sputum aspirator according to claim 4, characterized in that the recovery part (4) is internally provided with an inclined sputum aspirator (401).

6. A rapid and safe sputum aspirator according to claim 5, wherein the recovery part (4) is connected with an air suction part (5), and the connection between the recovery part (4) and the air suction part (5) is provided with a plurality of layers of baffles for preventing sputum from entering the air suction part (5).

7. A rapid and safe sputum aspirator according to claim 6, wherein the suction portion (5) is divided into two sections, the first section (501) being connected to the recovery portion (4) and the second section (502) being provided with an opening for facilitating docking with a ventilator.

8. A rapid safety sputum aspirator according to claim 7, wherein the first section (501) is divided into two chambers, the first chamber (510) comprises a first suction hole (511), an aspirator (512) and a battery element (513), the first suction hole (511) is located on the last baffle where the recovery part (4) and the suction part (5) are connected to the suction port of the aspirator (512) via the first suction hole (511) in a pipeline, the second chamber (520) is a ventilator suction chamber comprising a second suction hole (521) and a flow passage (522) for gas circulation, the second suction hole (521) is located below the first suction hole (511) and the first chamber (510) and the second chamber (520) are separated by a separation plate (530).

9. A rapid safety sputum aspirator according to claim 8, wherein the first chamber (510) extends and vents only from the exhaust tube of the aspirator (512) to the second section (502), the remainder not communicating with the second section (502), and the second chamber (520) communicating directly with the second section (502).

10. A rapid safety sputum aspirator according to claim 9, wherein the second section (502) is used to expel gas from its opening, the second section (502) being provided with the opening for connection to a ventilator.