CN210121261U

CN210121261U - Anti-blocking sputum suction tube

Info

Publication number: CN210121261U
Application number: CN201920619995.8U
Authority: CN
Inventors: 罗苏; 王昌艳; 陆少晶
Original assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Current assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-03
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to the technical field of medical appliances, in particular to an anti-blocking sputum suction tube, which comprises a tube body, a sputum storage tank, a sputum guide tube, a negative pressure suction device, an air guide tube and a bite block, wherein one end of the tube body is provided with a sputum suction head, one end of the tube body, which is far away from the sputum suction head, is provided with a connecting tube in a conduction way, one end of the sputum guide tube is in conduction connection with the connecting tube, and the other end of the sputum guide tube is in threaded connection with the sputum storage; one end of the air duct is connected with one end of the connecting pipe far away from the sputum guide pipe through a waterproof exhaust valve, and the other end of the air duct is connected with the negative pressure suction device; the tooth pad is of an arc-shaped structure made of silica gel, a placing hole is formed in the tooth pad in a penetrating mode, a supporting ring is arranged in the placing hole, and the tooth pad is sleeved on the pipe body in a sliding mode through the supporting ring; the bite block is provided with a locking device for fixing the bite block in the tube body. The utility model discloses can effectively prevent therefore the occlusion of tooth and block up, do not influence medical personnel's operation moreover when inserting.

Description

Anti-blocking sputum suction tube

Technical Field

The utility model belongs to the technical field of medical instrument technique and specifically relates to a prevent stifled phlegm pipe of inhaling.

Background

Sputum operation refers to a method of sucking the secretions of the respiratory tract out through the oral cavity, the nasal cavity and an artificial airway (tracheotomy) to keep the respiratory tract unobstructed and prevent complications such as aspiration pneumonia, atelectasis, asphyxia and the like. Coma patients and patients with sputum which are possibly suffocated and need to be administrated in trachea, injected with contrast medium or diluted with sputum.

When the sputum of a patient needs to be checked or the sputum of the patient blocks breathing, a sputum suction pipe needs to be stretched into the respiratory tract of the patient to suck sputum so as to take a sample or clear the respiratory tract. At present, the sputum suction tube is simple in structure, a hole is drilled in the head of the hose to form the sputum suction tube, and sputum of a patient is sucked through negative pressure equipment. But at the in-process of inhaling the phlegm, patient's tooth is bitten and is leaded to inhaling the phlegm pipe and oppress the jam to cause the failure of inhaling the phlegm, can add the bite-block on inhaling phlegm pipe and oxygen intubate and prevent that the tooth from to inhaling the jam of phlegm pipe at present, but the bite-block can influence medical personnel and observe the degree of depth of inhaling the phlegm pipe and inserting into the oral cavity, the easy appearance inhales the condition that the phlegm pipe inserts not in place or the inserted position is too deep.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a prevent stifled phlegm pipe of inhaling can effectively prevent therefore the interlock of tooth and block up, does not influence medical personnel's operation moreover when inserting.

In order to realize the purpose, the utility model discloses a technical scheme be:

an anti-blocking sputum suction pipe comprises a pipe body, a sputum storage tank, a sputum guide pipe, a negative pressure suction device, an air guide pipe and a bite block, wherein a sputum suction head is arranged at one end of the pipe body, the sputum suction head is in conduction connection with the pipe body and is provided with a plurality of sputum suction holes, a connecting pipe is in conduction at one end of the pipe body, which is far away from the sputum suction head, one end of the sputum guide pipe is in conduction connection with the connecting pipe, and the other end of the sputum guide pipe is in threaded connection with the sputum storage tank; one end of the air duct is connected with one end of the connecting pipe far away from the sputum guide pipe through a first one-way valve, the other end of the air duct is connected with the negative pressure suction device, and the flow guide direction of the first one-way valve is the direction of the negative pressure suction device along the pipe body; the tooth pad is of an arc-shaped structure made of silica gel, a placing hole penetrates through the tooth pad along the radial direction, a supporting ring is arranged in the placing hole, the outer wall of the supporting ring is fixedly connected with the inner wall of the placing hole, the tooth pad is sleeved on the pipe body in a sliding mode through the supporting ring, and the arc opening direction faces the sputum suction head;

the bite block is provided with a locking device, the locking device comprises a fixed cylinder, a locking ring and a clamping piece, one end of the fixed cylinder is fixedly connected with the support ring and sleeved on the pipe body; the locking ring is sleeved on the fixed cylinder and is in sliding connection with the fixed cylinder; the clamping pieces are provided with a plurality of clamping pieces, one end of each clamping piece is fixedly arranged at one end of the fixed cylinder far away from the support ring in a surrounding mode, clamping teeth are arranged on the inner wall of each clamping piece, threads are arranged on the outer wall of each clamping piece, each clamping piece is made of elastic materials, and one end of each clamping piece far away from the fixed cylinder is of an unfolding structure in a natural state; the pipe body is fixedly provided with a plurality of clamping grains matched with the clamping teeth, the locking ring can be in threaded connection with the clamping piece and presses the clamping piece towards the central shaft direction of the pipe body, so that the clamping teeth are matched with the clamping grains.

Furthermore, the upper side and the lower side of the bite block are provided with tooth sockets matched with teeth.

Further, the sputum guide tube is provided with a switch valve.

Furthermore, the negative pressure suction device comprises a negative pressure bin, a transmission disc, a piston and a negative pressure rotating handle, wherein one end of the negative pressure bin is in conduction connection with the connecting pipe, the other end of the negative pressure bin is provided with a through exhaust hole, the transmission disc and the piston are both arranged in the negative pressure bin, the transmission disc is positioned at one end close to the exhaust hole and is in rotating connection with the negative pressure bin, the piston is matched with the inner wall of the negative pressure bin and is in sliding connection with one end, close to the connecting pipe, of the negative pressure bin, and one side, far away from the connecting pipe, of the piston is in rotating connection with an eccentric circle of the transmission disc through a transmission rod; and a transmission shaft of the negative pressure rotating handle penetrates into the negative pressure bin and is fixedly connected with the transmission disc.

Furthermore, the negative pressure suction device also comprises a hand-held handle, the hand-held handle is positioned at one end opposite to the negative pressure rotating handle and is fixedly connected with the outer wall of the negative pressure bin, the negative pressure rotating handle is provided with a handle, and one end of the handle is rotatably connected with the eccentric circle of the negative pressure rotating handle.

Furthermore, a supporting net is arranged in the sputum suction head and is fixedly connected with the inner wall of the sputum suction head.

Furthermore, the sputum storage tank is made of transparent materials, and the outer wall of the sputum storage tank is provided with scale marks.

The utility model has the advantages that:

1. the bite block is of an arc-shaped structure made of silica gel, so that the bite block can fit the oral cavity of a patient, the comfort of the patient is improved, and the patient can be prevented from being blocked due to compression when biting the bite block under the action of the support ring; because the fastener is the elasticity material, and keep away from under natural state the one end of fixed cylinder is expansion structure, make the bite-block can slide freely on the body, medical personnel can slide the bite-block to the place far away from inhaling the phlegm head when inserting phlegm head to patient, from not influencing medical personnel's operation, make and inhale the phlegm head and can insert to suitable position, after inhaling the phlegm head and being in suitable position, block the alveolus of bite-block to patient's tooth, then when twisting the locking ring into the fastener by fixed cylinder, the fastener presses to body center pin direction, so that latch and card line agree with, bite-block and body relatively fixed this moment, under patient's occlusal force, the body can keep fixed position, avoid droing at the in-process body of inhaling the phlegm.

2. Through rotating the negative pressure and changeing the handle, the transmission disc is along with rotating, reciprocating motion in the negative pressure storehouse of piston under the effect of transfer line, when the piston moves towards the connecting pipe direction, because the second check valve switches on along body to negative pressure suction device direction, first check valve switches on along negative pressure suction device to body direction, the piston passes through the release of second check valve to the pressure in negative pressure storehouse, and can not discharge into in the connecting pipe, the refluence of sputum in the body has been prevented, when the connecting pipe direction motion was kept away from to the piston, the piston can produce the negative pressure to the negative pressure storehouse, negative pressure can attract patient's sputum in the negative pressure storehouse, and guide to storing up in the sputum jar.

Drawings

Fig. 1 is a schematic structural view of an anti-blocking sputum aspirator tube according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a locking device of an anti-blocking sputum aspirator tube according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of the negative pressure suction device of the anti-blocking sputum suction tube according to a preferred embodiment of the present invention.

In the figure, 1-a tube body, 11-a sputum suction head, 111-a sputum suction hole, 112-a support net, 12-a clamping line, 2-a sputum storage tank, 21-a sputum guide tube, 22-a scale mark, 3-a negative pressure suction device, 31-an air guide tube, 32-a waterproof exhaust valve, 4-a bite block, 41-a tooth socket, 42-a support ring, 5-a fixing cylinder, 51-a locking ring, 52-a clamping piece, 521-a clamping tooth, 6-a switch valve, 7-a negative pressure bin, 701-an exhaust hole, 72-a piston, 73-a negative pressure rotating handle, 731-a handle, 74-a first one-way valve, 75-a second one-way valve, 76-a handheld handle and 8-a connecting tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the anti-blocking sputum aspirator of a preferred embodiment of the present invention includes a tube body 1, a sputum storage tank 2, a sputum guide tube 21, a negative pressure suction device 3, an air duct 31 and a bite block 4.

One end of the tube body 1 is provided with a sputum suction head 11, the sputum suction head 11 is communicated with the tube body 1, and the peripheral wall of the sputum suction head 11 is provided with a plurality of sputum suction holes 111 in a penetrating way. In this embodiment, the sputum suction holes 111 are formed in the peripheral wall of the sputum suction head 11, so that the sputum of the patient can enter the sputum suction head 11 conveniently, the sputum suction head 11 does not need to rotate left and right, irritation to the trachea is avoided, and the operation is simple.

Owing to set up a plurality of phlegm holes 111 of inhaling, it is softer to inhale phlegm head 11 relatively, human respiratory track can expand and contract according to people's breathing rhythm simultaneously, people's respiratory track is some positions narrower, inhale phlegm head 11 and stretch into behind the respiratory track, often receive the extrusion of respiratory track and warp or flatten, and cause and inhale phlegm head 11 and block up, in this embodiment, it is equipped with supporting network 112 in the phlegm head 11 to inhale, supporting network 112 and the inner wall fixed connection who inhales phlegm head 11, can improve the support of inhaling phlegm head 112 under supporting network 112's effect, prevent to block up, preferably, supporting network 112 is the metal mesh silk material.

One end of the tube body 1, which is far away from the sputum suction head 11, is provided with a connecting tube 8 in a conduction way, one end of the sputum guide tube 21 is connected with the connecting tube 8 in a conduction way, and the other end is in threaded connection with the sputum storage tank 2; one end of the air duct 31 is connected with one end of the connecting pipe 8 far away from the sputum guide pipe 21 through a waterproof exhaust valve 32, and the other end is connected with the negative pressure suction device 3. Under the effect of waterproof discharge valve 32, can avoid the sputum to get into in the negative pressure suction device 3, and cause the pollution to the negative pressure suction device. The construction of the waterproof vent valve 32 is not described in this embodiment for economy of space in the prior art. In the present embodiment, the connection manner of the connection tube 8 and the air guide tube 31 is the same as that of the conventional electric vacuum suction apparatus, and the vacuum suction apparatus 3 of the present embodiment may be replaced with the electric vacuum suction apparatus as needed.

In this embodiment, the switch valve 6 is installed on the sputum guide tube 21, when the sputum storage tank 2 is full, the switch valve 6 is closed, and the sputum storage tank 2 is detached from the sputum guide tube 21, so as to replace the new sputum storage tank 2.

In this embodiment, the sputum storage tank 2 is made of transparent material and has scale marks 22 on its outer wall. Can clearly observe patient's the volume of inhaling phlegm under the effect of scale mark 22, store up phlegm jar 2 and be transparent material, the property that can be convenient for medical personnel observe patient's sputum to be convenient for medical personnel judge patient's the condition.

Bite-block 4 is the arc structure of silica gel material, and bite-block 4 runs through along radial direction to be provided with places the hole, places downthehole support ring 42 that is equipped with, support ring 42 outer wall with place downthehole wall fixed connection, bite-block 4 overlaps on body 1 through support ring 42 slip cover to the phlegm head 11 is inhaled to the circular arc opening direction orientation of bite-block 4. Because bite-block 4 is the arc structure of silica gel material, when can agreeing with the patient oral cavity, improve patient's comfort, under the effect of support ring 42, can guarantee that patient can not oppress the body and block up when biting the bite-block. In this embodiment, the teeth sockets 41 engaged with the teeth are provided on both upper and lower sides of the bite block 4, and the bite block 4 can be prevented from slipping and falling off from the teeth of the patient by the teeth sockets 41.

The bite block 4 is provided with a locking device comprising a fixed barrel 5, a locking ring 51 and a jaw 52.

One end of the fixed cylinder 5 is fixedly connected with the support ring 42 and sleeved on the pipe body 1; the locking ring 51 is sleeved on the fixed cylinder 5 and is connected with the fixed cylinder 5 in a sliding way. The clamping piece 52 is provided with a plurality of clamping pieces, one end of each clamping piece is fixedly arranged at one end, far away from the support ring 42, of the fixed cylinder 5 in a surrounding mode, the inner wall of each clamping piece 52 is provided with clamping teeth 521, the outer wall of each clamping piece 52 is provided with threads, each clamping piece 52 is made of elastic materials, and in a natural state, one end, far away from the fixed cylinder 5, of each clamping piece 52 tilts to be an unfolding structure. A plurality of clamping threads 12 matched with the clamping teeth 521 are fixedly arranged outside the pipe body 1, the locking ring 51 can be in threaded connection with the clamping piece 52, and the clamping piece 52 is pressed towards the pipe body 1, so that the clamping teeth 521 are matched with the clamping threads 12.

Because fastener 52 is the elastic material, and the one end of keeping away from fixed cylinder 5 under natural state is expansion structure, make bite-block 4 can slide freely on body 1, medical personnel can slide bite-block 4 to the place far away from inhaling phlegm head 11 when inserting the phlegm head to patient, from not influencing medical personnel's operation, make it can insert to suitable position to inhale phlegm head 11, after inhaling phlegm head 11 and being in suitable position, block alveolus 41 of bite-block 4 to patient's tooth, then when screwing locking ring 51 into fastener 52 by fixed cylinder 5, fastener 52 presses to body 1 center pin direction, so that latch 521 agrees with card line 12, bite-block 4 and body 1 are relatively fixed this moment, under patient's occlusal force, body 1 can keep fixed position, avoid body 1 droing at the in-process of inhaling the phlegm.

The negative pressure suction device 3 comprises a negative pressure bin 7, a transmission disc 71, a piston 72, a negative pressure rotating handle 73, a first one-way valve 74 and a second one-way valve 75.

One end of the negative pressure bin 7 is connected with the connecting pipe 8 in a conduction mode through the air duct 31, one end opposite to the connecting pipe 8 is provided with a through exhaust hole 701, the transmission disc 71 and the piston 72 are both arranged in the negative pressure bin 7, the transmission disc 71 is located at one end close to the exhaust hole 701 and is connected with the negative pressure bin 7 in a rotating mode, the piston 72 is matched with the inner wall of the negative pressure bin 7 and is connected with one end, close to the connecting pipe 8, of the negative pressure bin 7 in a sliding mode, and one side, far away from the connecting pipe 8, of the piston 72 is connected with the eccentric. The first one-way valve 74 is located at one end of the negative pressure bin 7 far away from the exhaust hole 701 and is in through connection with the negative pressure bin 7, and the first one-way valve 74 is communicated along the direction from the negative pressure suction device 3 to the pipe body 1. The second one-way valve 75 is positioned between the waterproof exhaust valve 32 and the negative pressure bin 7 and is connected with the air duct 31, and the second one-way valve 75 is communicated along the direction from the pipe body 1 to the negative pressure suction device 3; the transmission shaft of the negative pressure rotating handle 73 penetrates into the negative pressure bin 7 and is fixedly connected with the transmission disc 71.

Through rotating negative pressure rotating handle 73, transmission disc 71 rotates along with rotating, drive transfer line 721 simultaneously, piston 72 reciprocating motion in negative pressure storehouse 7 under the effect of transfer line 721, when piston 72 moves towards connecting pipe 8 direction, because second check valve 75 switches on along body 1 to negative pressure suction device 3 direction, first check valve 74 switches on along negative pressure suction device 3 to body 1 direction, piston 72 discharges through first check valve 74 to the pressure in negative pressure storehouse 7, and can not discharge into connecting pipe 8, the refluence of sputum in body 1 has been prevented, when piston 72 moves towards keeping away from connecting pipe 8 direction, piston 72 can produce the negative pressure to negative pressure storehouse 7, negative pressure can attract patient's sputum through second check valve 75 in the negative pressure storehouse 7, and guide to the sputum storage tank in.

In this embodiment, the negative pressure suction device 3 further includes a hand-held handle 76, the hand-held handle 76 is located at an end opposite to the negative pressure rotating handle 73 and is fixedly connected with the outer wall of the negative pressure chamber 7, the negative pressure rotating handle 73 is provided with a grip 731, and one end of the grip 731 is rotatably connected with an eccentric circle of the negative pressure rotating handle 73. The negative pressure rotating handle 73 is driven by shaking the handle 731, so that the shaking speed can be well controlled, and the damage to the airway mucosa of a patient caused by overlarge attraction force generated by the piston is avoided.

When the anti-blocking sputum suction tube of the preferred embodiment of the present invention is used, when the medical staff inserts the sputum suction head into the patient, the bite block 4 is slid to a position far away from the sputum suction head 11, so as to insert the sputum suction head 11 to a proper position. When the sputum suction head 11 is in a proper position, the tooth socket 41 of the bite block 4 is clamped in the teeth of a patient, then the locking ring 51 is screwed into the clamping piece 52 from the fixing cylinder 5, the clamping piece 52 presses towards the central axis direction of the tube body 1, so that the clamping teeth 521 are matched with the clamping grains 12, at the moment, the bite block 4 and the tube body 1 are relatively fixed, and the tube body 1 can keep a fixed position under the biting force of the patient. The medical staff holds the hand-held handle 76 with one hand and shakes the handle 731 with the other hand, so that the negative pressure rotating handle 73 drives the transmission disc 71 to rotate and drives the transmission rod 721 to reciprocate the piston 72 in the negative pressure chamber 7 under the action of the transmission rod 721, when the piston 72 moves away from the connecting pipe 8, the piston 72 can generate negative pressure to the negative pressure chamber 7, and the negative pressure in the negative pressure chamber 7 can suck the sputum of the patient through the second one-way valve 75 and guide the sputum into the sputum storage tank.

Claims

1. The anti-blocking sputum suction pipe is characterized by comprising a pipe body (1), a sputum storage tank (2), a sputum guide pipe (21), a negative pressure suction device (3), an air guide pipe (31) and a bite block (4), wherein one end of the pipe body (1) is provided with a sputum suction head (11), the sputum suction head (11) is in conduction connection with the pipe body (1), a plurality of sputum suction holes (111) are formed in the peripheral wall of the sputum suction head (11) in a through mode, one end, far away from the sputum suction head (11), of the pipe body (1) is provided with a connecting pipe (8) in a conduction mode, one end of the sputum guide pipe (21) is in conduction connection with the connecting pipe (8), and the other end of the sputum guide pipe is in threaded connection with the sputum storage tank (2); one end of the air duct (31) is connected with one end of the connecting pipe (8) far away from the sputum guide pipe (21) through a waterproof exhaust valve (32), and the other end of the air duct is connected with the negative pressure suction device (3); the tooth pad (4) is of an arc-shaped structure made of silica gel, a placing hole penetrates through the tooth pad (4) along the radial direction, a supporting ring (42) is arranged in the placing hole, the outer wall of the supporting ring (42) is fixedly connected with the inner wall of the placing hole, the tooth pad (4) is sleeved on the pipe body (1) in a sliding mode through the supporting ring (42), and the arc opening direction of the tooth pad (4) faces towards the sputum suction head (11);

the bite block (4) is provided with a locking device, the locking device comprises a fixed cylinder (5), a locking ring (51) and a clamping piece (52), one end of the fixed cylinder (5) is fixedly connected with the support ring (42) and sleeved on the pipe body (1); the locking ring (51) is sleeved on the fixed cylinder (5) and is in sliding connection with the fixed cylinder (5); the clamping pieces (52) are provided with a plurality of clamping pieces, one ends of the clamping pieces are fixedly arranged at one end, far away from the support ring (42), of the fixed barrel (5) in a surrounding mode, clamping teeth (521) are arranged on the inner wall of each clamping piece (52), threads are arranged on the outer wall of each clamping piece (52), each clamping piece (52) is made of elastic materials, and one end, far away from the fixed barrel (5), of each clamping piece (52) tilts to be in an unfolded structure in a natural state; the locking device is characterized in that a plurality of clamping threads (12) matched with the clamping teeth (521) are fixedly arranged outside the pipe body (1), the locking ring (51) can be in threaded connection with the clamping piece (52), and the clamping piece (52) is pressed towards the pipe body (1) so that the clamping teeth (521) are matched with the clamping threads (12).

2. The anti-clogging sputum aspirator of claim 1, wherein: the upper side and the lower side of the bite block (4) are both provided with tooth sockets (41) matched with teeth.

3. The anti-clogging sputum aspirator of claim 1, wherein: the sputum guide tube (21) is provided with a switch valve (6).

4. The anti-clogging sputum aspirator of claim 1, wherein: the negative pressure suction device (3) comprises a negative pressure bin (7), a transmission disc (71), a piston (72), a negative pressure rotating handle (73), a first one-way valve (74) and a second one-way valve (75), one end of the negative pressure bin (7) is communicated and connected with the connecting pipe (8) through the air duct (31), a through exhaust hole (701) is arranged at one end opposite to the connecting pipe (8), the transmission disc (71) and the piston (72) are both arranged in the negative pressure bin (7), the transmission disc (71) is positioned at one end close to the exhaust hole (701) and is rotationally connected with the negative pressure bin (7), the piston (72) is matched with the inner wall of the negative pressure bin (7) and is in sliding connection with one end of the negative pressure bin (7) close to the connecting pipe (8), one side of the piston (72), which is far away from the connecting pipe (8), is rotationally connected with an eccentric circle of the transmission disc (71) through a transmission rod (721); the first one-way valve (74) is positioned at one end, far away from the exhaust hole (701), of the negative pressure bin (7) and is communicated with the negative pressure bin (7), and the first one-way valve (74) is communicated with the pipe body (1) along the direction from the negative pressure suction device (3); the second one-way valve (75) is positioned between the waterproof exhaust valve (32) and the negative pressure bin (7) and is connected with the air guide pipe (31), and the second one-way valve (75) is communicated along the direction from the pipe body (1) to the negative pressure suction device (3); the transmission shaft of the negative pressure rotating handle (73) penetrates into the negative pressure bin (7) and is fixedly connected with the transmission disc (71).

5. The anti-clogging sputum aspirator of claim 4, wherein: the negative pressure suction device (3) further comprises a handheld handle (76), the handheld handle (76) is located at one end, opposite to the negative pressure rotating handle (73), of the handheld handle and fixedly connected with the outer wall of the negative pressure bin (7), the negative pressure rotating handle (73) is provided with a handle (731), and one end of the handle (731) is rotatably connected with the eccentric circle of the negative pressure rotating handle (73).

6. The anti-clogging sputum aspirator of claim 1, wherein: a supporting net (112) is arranged in the sputum suction head (11), and the supporting net (112) is fixedly connected with the inner wall of the sputum suction head (11).

7. The anti-clogging sputum aspirator of claim 1, wherein: the sputum storage tank (2) is made of transparent materials, and the outer wall of the sputum storage tank is provided with scale marks (22).