CN223716102U - Sputum aspirator - Google Patents

Abstract

This application relates to the technical field of medical devices, and in particular to a suction device. The suction device includes a main body, a negative pressure device, a negative pressure hose, a collection bottle, a cover, a first connecting tube, a second connecting tube, a suction tube, a suction tube, and a sealing block. The negative pressure device is disposed on the main body, and the negative pressure hose is connected to the negative pressure device. The cover is disposed on the collection bottle, and the first connecting tube is disposed on the cover and connected to the negative pressure hose. The second connecting tube is disposed on the cover, and the suction tube is connected to the second connecting tube. One end of the suction tube is snapped into the suction tube. The sealing block can snap into the suction tube. This application has the effect of saving resources.

Description

Sputum aspirator

Technical Field

The application relates to the technical field of medical equipment, in particular to sputum aspirator.

Background

Sputum aspiration nursing is a common medical measure for rescuing critical patients, and aims to timely aspirate secretions in the respiratory tract so as to maintain the smoothness of the respiratory tract.

At present, chinese patent application number CN111632210a discloses a disinfection sputum aspirator for infectious department, which comprises a housin, collecting vessel and disinfection box and bung and conveyer pipe, be equipped with the recess in the casing and placed the collecting vessel, the collecting vessel upper end spin has the bung, the bung upper end is provided with joint B, joint B upper end is connected with the sputum aspirator, and sputum aspirator one end has cup jointed a mouthful stopper, the bung lower extreme is provided with the overflow stopper, the inside negative pressure machine that is fixed with through screw nut of casing, and the interface of negative pressure machine is located the outside of casing, one side of casing is fixed with the wiring mouth, connect the rope has been cup jointed on the wiring mouth, this disinfection sputum aspirator for infectious department, through the scale that sets up on the sputum aspirator, can control the depth that the sputum aspirator got into the oral cavity, through the mouthful stopper that sputum aspirator one end cup jointed, can prevent that the sputum aspirator from dropping and long-time place the adverse reaction in the oral cavity with the sputum aspirator.

Because the end of the sputum suction tube far away from the barrel cover is required to extend into the patient, the sputum suction tube, especially the end entering the patient, cannot be exposed in the air for a long time, so that the interior of the sputum suction tube is prevented from being polluted, and the sputum suction tube is generally disposable, namely, the sputum suction tube is discarded after the sputum suction is completed once. When the device is used, the shell needs to be placed at a position which is at a certain distance from a sickbed, so that the length of the sputum suction tube needs to be long enough, when a patient forms more sputum, sputum suction operation needs to be carried out in different time, and each time sputum suction is carried out, the longer sputum suction tube needs to be discarded, so that resource waste is caused.

Disclosure of utility model

In order to save resources, the application provides sputum aspirator.

The application provides sputum aspirator, which adopts the following technical scheme:

The sputum aspirator comprises a main body, a negative pressure device, a negative pressure hose, a liquid collecting bottle body, a cover body, a first connecting pipe, a second connecting pipe, a suction pipe, a sputum aspirator and a blocking block, wherein the negative pressure device is arranged on the main body, the negative pressure hose is connected with the negative pressure device, the cover body is arranged on the liquid collecting bottle body, the first connecting pipe is arranged on the cover body and is connected with the negative pressure hose, the second connecting pipe is arranged on the cover body, the suction pipe is connected with the second connecting pipe, one end of the sputum aspirator is connected with the suction pipe in a clamping mode, and the blocking block is connected with the suction pipe in a clamping mode.

According to the technical scheme, when a patient is subjected to sputum suction, the negative pressure hose is connected with the negative pressure device and the first connecting pipe, the suction pipe is connected with the second connecting pipe, the sputum suction pipe is inserted into one end of the suction pipe far away from the second connecting pipe, then one end of the sputum suction pipe far away from the suction pipe enters the body of the patient, sputum in the patient can enter the sputum suction pipe under the negative pressure effect generated by the negative pressure device and then enter the liquid collecting bottle body through the suction pipe and the second connecting pipe, so that the sputum suction operation is completed, after the sputum suction is completed, the sputum suction pipe is separated from the suction pipe, the sputum suction pipe is discarded, the end of the suction pipe far away from the second connecting pipe is plugged by the plugging block, the internal pollution of the sputum suction pipe can be reduced, the length of the discarded sputum suction pipe can be designed to be not long, and the waste of resources can be reduced if the length of the discarded sputum suction pipe is not long enough, so that the purpose of saving resources is achieved.

Optionally, the plugging block is in a shape of a truncated cone, and a cross section of one end of the plugging block, which is positioned in the negative pressure hose, is smaller than a cross section of the other end of the plugging block, which is not positioned in the negative pressure hose.

Through adopting above-mentioned technical scheme, when needs with shutoff piece shutoff suction tube, make the little one end of shutoff piece cross section stretch into in the suction tube, can be so that the shutoff piece enters into in the exhaust tube, thereby save time improves efficiency.

Optionally, a stabilizing mechanism is arranged on the plugging block, the stabilizing mechanism comprises a stabilizing block and an adjusting component, the stabilizing block is slidably arranged on the plugging block and can abut against the inner side wall of the suction pipe, and the adjusting component is arranged on the plugging block and is connected with the stabilizing block.

Through adopting above-mentioned technical scheme, after the one end that the shutoff piece cross section is little stretches into the suction tube, drive firm piece motion through adjusting part, make firm piece support the inside wall of tight suction tube to stability when improving shutoff piece shutoff suction tube.

Optionally, the adjusting assembly comprises an adjusting shaft, an adjusting gear, an adjusting rack and an adjusting cap, wherein the adjusting shaft is rotatably arranged on the plugging block, the adjusting gear is connected to the adjusting shaft in a key mode, the adjusting rack is arranged on the stabilizing block and meshed with the adjusting gear, the adjusting cap is arranged at one end, far away from the adjusting gear, of the adjusting shaft, and the adjusting cap abuts against the plugging block.

By adopting the technical scheme, the adjusting cap is rotated, the adjusting shaft on the adjusting cap drives the adjusting gear to rotate, the adjusting rack meshed with the adjusting gear drives the stabilizing block to move, and the arranged adjusting assembly is simple in structure and convenient to operate.

Optionally, the outer side wall of the suction pipe far away from one end of the second connecting pipe is provided with a plurality of node grooves.

By adopting the technical scheme, because the plugging block exists, the caliber of one end of the suction pipe far away from the second connecting pipe is increased, the sputum suction pipe cannot be well connected with the suction pipe, at the moment, medical staff can cut the suction pipe along the node groove, and the part with the increased caliber is cut off, so that the subsequent sputum suction pipe can be well connected with the suction pipe, the cut suction pipe can be normally used, and the aim of saving resources can be achieved.

Optionally, a connection mechanism is arranged on the main body, the connection mechanism comprises a first fixing block, a second fixing block and a connection rope, the first fixing block is arranged on the main body, the second fixing block is arranged on the plugging block, and the connection rope is connected with the first fixing block and the second fixing block.

Through adopting above-mentioned technical scheme, when suction tube connection just does not inhale the phlegm on the second connecting pipe, make the shutoff piece block up the suction tube, the length of connecting the rope can set up not very long, and the tip that second connecting pipe one end was kept away from to the suction tube also is convenient for medical personnel to find like this, can pile the suction tube between shutoff piece and the second connecting pipe near the main part moreover, reduces trampling the phenomenon of suction tube.

Optionally, the main part is last to have seted up the holding tank, the liquid collecting bottle body with the holding tank joint.

Through adopting above-mentioned technical scheme, when inhaling the phlegm operation to the patient, place the holding tank with the liquid collection bottle, can reduce like this and inhale the phlegm operation the patient when carrying out the phlegm operation, the liquid collection bottle emptys the phenomenon that influences the phlegm operation of inhaling.

Optionally, the main body is provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing block and an adjusting bolt, the main body is provided with a groove communicated with the accommodating groove, the reinforcing block is slidably arranged in the groove and can prop against the liquid collecting bottle body, the main body is provided with a threaded hole communicated with the groove, the adjusting bolt is in threaded connection with the threaded hole, and one end of the adjusting bolt is in rotary connection with the reinforcing block.

Through the technical scheme, after the liquid collecting bottle body is positioned in the accommodating groove, the adjusting bolt is rotated, the adjusting bolt can displace relative to the main body, the adjusting bolt drives the reinforcing block to move towards the direction close to the liquid collecting bottle body, the reinforcing block is abutted against the liquid collecting bottle body positioned in the accommodating groove, and the stability of the liquid collecting bottle body on the main body can be improved by the aid of the reinforcing mechanism.

Optionally, the sputum suction tube comprises a tube body, a first sputum suction part, a second sputum suction part and an assembly block, wherein the first sputum suction part is positioned at one end of the tube body, the cross section of the first sputum suction part gradually becomes smaller towards the direction away from the tube body, the first sputum suction part is provided with a first sputum inlet communicated with the first sputum inlet, the second sputum suction part is arranged at one end of the first sputum suction part away from the tube body, the second sputum suction part is hemispherical, the second sputum suction part is provided with a second sputum inlet communicated with the first sputum inlet, the second sputum suction part is provided with a second sputum inlet communicated with the second sputum inlet, one end of the assembly block is inserted into the tube body, the other end of the assembly block is inserted into the tube body, the assembly block is provided with a first sputum inlet communicated with the transfer tube, and the assembly block is provided with a control hole communicated with the assembly hole.

According to the technical scheme, after the negative pressure hose is connected with the negative pressure device and the first connecting pipe and the suction pipe is connected with the second connecting pipe, the negative pressure device is opened, medical staff blocks the suction pipe by hands to adjust the pressure formed by the negative pressure device, one end of the assembly block in the sputum suction pipe is inserted into one end of the suction pipe far away from the second connecting pipe, negative pressure formed by the negative pressure device is dispersed out through the control hole, then the medical staff stretches the second sputum suction part and the second sputum suction part of the pipe body into a human body, after the second sputum suction part reaches a required position, the medical staff blocks the control hole by fingers, and negative pressure formed by the negative pressure device can enable sputum in a patient to enter the first sputum inlet and the second sputum inlet through the first sputum inlet and the second sputum inlet and then enter the pipe body, then the sputum in the pipe body enters the suction pipe through the transfer hole of the assembly block and finally enters the liquid collecting bottle through the second connecting pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. After the sputum suction is finished, separating the sputum suction pipe from the suction pipe, discarding the sputum suction pipe, and then plugging one end of the suction pipe, which is far away from the second connecting pipe, by using a plugging block, the plugging block can plug the suction pipe, so that the pollution inside the sputum suction pipe can be reduced;

2. Because the plugging block exists, the caliber of one end of the suction pipe far away from the second connecting pipe is increased, the sputum suction pipe cannot be well connected with the suction pipe, at the moment, medical staff can cut the suction pipe along the node groove, so that the enlarged caliber part is cut off, the subsequent good connection with the suction pipe is ensured, the cut suction pipe can be normally used, and the aim of saving resources can be achieved.

Drawings

Fig. 1 is a schematic structural view of a sputum aspirator according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a first connecting pipe according to an embodiment of the present application;

FIG. 3 is a schematic view of a fastening mechanism according to an embodiment of the present application;

FIG. 4 is a schematic view of a sputum aspirator according to an embodiment of the present application;

FIG. 5 is a schematic view of the structure of a first sputum inlet according to an embodiment of the present application;

Fig. 6 is a schematic structural view of a sealing block for sealing a suction pipe according to an embodiment of the present application;

FIG. 7 is a schematic structural view of a connecting mechanism according to an embodiment of the present application;

Fig. 8 is a schematic structural view of a stabilizing mechanism according to an embodiment of the present application.

The device comprises the following components of 11, a main body, 111, a containing groove, 12, a negative pressure hose, 13, a liquid collecting bottle body, 14, a cover body, 15, a first connecting pipe, 16, a second connecting pipe, 17, a suction pipe, 171, a node groove, 18, a plugging block, 2, a sputum suction pipe, 21, a pipe body, 22, a first sputum suction part, 221, a first sputum inlet, 222, a first sputum inlet, 23, a second sputum suction part, 231, a second sputum inlet, 232, a second sputum inlet, 24, an assembling block, 241, a transfer, 3, a stabilizing mechanism, 31, a stabilizing block, 32, an adjusting component, 321, an adjusting shaft, 322, an adjusting gear, 323, an adjusting rack, 324, an adjusting cap, 4, a connecting mechanism, 41, a first fixing block, 42, a second fixing block, 43, a connecting rope, 5, a reinforcing mechanism, 51, a reinforcing block, 52, a bolt, 6, a lifting bearing block, 62, an adjusting rack, 63, an adjusting shaft, 64, an adjusting gear, 65, an adjusting bolt, a fixing bolt and 66.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses sputum aspirator.

Referring to fig. 1 and 2, a sputum aspirator comprises a main body 11, wherein a negative pressure device is connected to the main body 11, a negative pressure hose 12 is connected to the negative pressure device, a containing groove 111 is formed in the main body 11, a liquid collecting bottle body 13 is placed in the containing groove 111, a cover 14 is arranged on the upper cover of the liquid collecting bottle body 13, a first connecting pipe 15 and a second connecting pipe 16 are fixedly connected to the cover 14, the first connecting pipe 15 is connected with the negative pressure hose 12, a suction pipe 17 is connected to the second connecting pipe 16, and one end, far away from the second connecting pipe 16, of the suction pipe 17 is connected with a sputum aspirator 2.

Referring to fig. 2 and 3, the main body 11 is provided with a groove communicating with the receiving groove 111 and a screw hole communicating with the groove, the screw hole being located at a side of the groove away from the receiving groove 111. The main body 11 is provided with a reinforcing mechanism 5, the reinforcing mechanism 5 comprises a reinforcing block 51 which is connected in the groove in a sliding mode, when the liquid collecting bottle body 13 is located in the containing groove 111, the reinforcing block 51 can prop against the liquid collecting bottle body 13, the reinforcing block 51 is rotatably connected with an adjusting bolt 52, and one end, far away from the reinforcing block 51, of the adjusting bolt 52 penetrates through the threaded hole and is in threaded connection with the threaded hole.

When the liquid collecting bottle 13 is located in the accommodating groove 111, the adjusting bolt 52 is rotated, and because the adjusting bolt 52 is in threaded connection with the threaded hole on the main body 11, when the adjusting bolt 52 rotates, the adjusting bolt 52 will displace relative to the main body 11, and the adjusting bolt 52 will drive the reinforcing block 51 to move towards the direction approaching to the liquid collecting bottle 13, so that the reinforcing block 51 abuts against the liquid collecting bottle 13 located in the accommodating groove 111.

Referring to fig. 2 and 3, a lifting support mechanism 6 is provided on the main body 11, the lifting support mechanism 6 includes a lifting support block 61 slidingly connected in the accommodating groove 111, when the liquid collecting bottle 13 is located in the accommodating groove 111, the liquid collecting bottle 13 abuts against the lifting support block 61, and an adjusting rack 62 is fixedly connected to the lifting support block 61. The main body 11 is rotatably connected with an adjusting shaft 63, an adjusting gear 64 meshed with the adjusting rack 62 is connected on the adjusting shaft 63 in a key way, an adjusting plate 65 is fixedly connected to one end, away from the adjusting gear 64, of the adjusting shaft 63, the adjusting plate 65 abuts against the main body 11, a fixing bolt 66 is arranged on the adjusting plate 65, and the fixing bolt 66 penetrates through the adjusting plate 65 to be in threaded connection with the main body 11.

When the liquid collecting bottle body 13 needs to be taken out of the accommodating groove 111, the fixing bolt 66 is separated from the main body 11, the reinforcing block 51 is not abutted against the liquid collecting bottle body 13, the adjusting plate 65 is rotated, the adjusting plate 65 drives the adjusting shaft 63 to rotate, the adjusting shaft 63 drives the adjusting gear 64 to rotate, the adjusting gear 64 drives the adjusting rack 62 to move, the adjusting rack 62 drives the lifting supporting block 61 to move, the lifting supporting block 61 drives the liquid collecting bottle body 13 to move, and only a small part of the liquid collecting bottle body 13 is located in the accommodating groove 111, so that the liquid collecting bottle body 13 can be conveniently transferred 241 by medical staff.

Referring to fig. 1 and 4, the sputum aspirator tube 2 includes a tube body 21 located at one side of the aspiration tube 17, an assembly block 24 is provided between the tube body 21 and the aspiration tube 17, one end of the assembly block 24 is inserted into the aspiration tube 17 and the other end is inserted into the tube body 21, a transfer 241 hole is provided on the assembly block 24, the transfer 241 hole communicates with the tube body 21 and the aspiration tube 17, a control hole communicating with the transfer 241 hole is provided on the assembly block 24, and a blocking plug for blocking the control hole is provided on the assembly block 24.

Referring to fig. 4 and 5, a first sputum suction part 22 is formed at one end of the tube body 21 far away from the assembly block 24, the first sputum suction part 22 is in a truncated cone shape, the cross section of the first sputum suction part 22 gradually becomes smaller towards the direction far away from the tube body 21, a first sputum inlet 221 communicated with the tube body 21 is formed on the first sputum suction part 22, a first sputum inlet 222 communicated with the first sputum inlet 221 is formed on the peripheral side wall of the first sputum suction part 22, a second sputum suction part 23 is connected to one end of the first sputum suction part 22 far away from the tube body 21, the second sputum suction part 23 is in a hemispherical shape, a second sputum inlet 231 communicated with the first sputum inlet 221 is formed on the second sputum suction part 23, and a second sputum inlet 232 communicated with the second sputum inlet 231 is formed on the side wall of the second sputum suction part 23. The second sputum aspirator 23 may also be spherical in other embodiments.

Referring to fig. 6 and 7, a connection mechanism 4 is provided on a main body 11, the connection mechanism 4 includes a first fixing block 41 and a second fixing block 42, the first fixing block 41 is connected to the main body 11 through a bolt, a first through hole is formed in the first fixing block 41, a second through hole is formed in the second fixing block 42, a connection rope 43 is provided between the first fixing block 41 and the second fixing block 42, one end of the connection rope 43 passes through the first through hole of the first fixing block 41 and is tied with the connection rope 43 which does not pass through the first through hole, one end of the connection rope 43 far from the first fixing block 41 passes through the second through hole in the second fixing block 42 and is tied with the connection rope 43 which does not pass through the second through hole.

Referring to fig. 7 and 8, the second fixing block 42 is provided with a block 18, a cavity and a sliding hole communicated with the cavity are formed in the block 18, the block 18 is provided with a stabilizing mechanism 3, the stabilizing mechanism 3 includes a stabilizing block 31 slidingly connected in the sliding hole, and in this embodiment, the number of the stabilizing block 31 and the number of the sliding hole are two.

The plugging block 18 is provided with an adjusting assembly 32, the adjusting assembly 32 comprises an adjusting cap 324 which is rotatably connected to the plugging block 18, a second fixing block 42 is fixedly connected to one end of the adjusting cap 324, which is far away from the plugging block 18, an adjusting shaft 321 is rotatably connected to the adjusting cap 324, one end of the adjusting shaft 321, which is far away from the adjusting cap 324, is connected with an adjusting gear 322 through a key, two adjusting racks 323 are fixedly connected to the stabilizing block 31, the adjusting gear 322 is located between the two adjusting racks 323, and the two adjusting racks 323 are meshed with the adjusting gear 322.

The block 18 has a truncated cone shape, and the cross section of the block 18 gradually becomes smaller toward one end away from the adjustment cap 324. The end of the block 18 remote from the adjustment cap 324 can extend into the suction tube 17 and the stabilizing block 31 can abut against the inner side wall of the suction tube 17.

Referring to fig. 6 and 7, a plurality of node grooves 171 are formed in a side of the suction pipe 17 remote from the cover 14.

In this embodiment, the negative pressure device may be a negative pressure pump or other devices capable of generating negative pressure, and the negative pressure hose 12 is connected with a filter, which is not described herein in the prior art. The sputum aspirator tubes 2 are all independently packaged.

The embodiment of the application provides a sputum aspirator, which is implemented by placing a liquid collecting bottle 13 in a containing groove 111 when aspirating sputum of a patient, connecting a negative pressure hose 12 with a negative pressure device and a first connecting pipe 15, and connecting a suction pipe 17 with a second connecting pipe 16.

Then the negative pressure device is opened, the medical staff blocks the suction tube 17 by hands, and the pressure formed by the negative pressure device is adjusted. Then medical staff stretches the second sputum suction part 23 and the second sputum suction part 23 of the tube body 21 into the human body, after the second sputum suction part 23 reaches the required position, the medical staff blocks the control hole with fingers, the sputum in the patient can enter the tube body 21 through the first sputum inlet 222 of the first sputum suction part 22 and the second sputum inlet 232 of the second sputum suction part 23 by the negative pressure device, then the sputum in the tube body 21 enters the suction tube 17 through the transferring 241 hole of the assembly block 24, and finally enters the liquid collecting bottle body 13 through the second connecting tube 16.

After the sputum sucking is completed, the assembling block 24 is separated from the suction pipe 17, one end of the plugging block 18 away from the adjusting cap 324 is inserted into one end of the suction pipe 17 away from the second connecting pipe 16, then the adjusting cap 324 is rotated, the adjusting cap 324 drives the adjusting shaft 321 to rotate, the adjusting shaft 321 drives the adjusting gear 322 to rotate, the adjusting gear 322 drives the adjusting rack 323 to move, and the adjusting rack 323 drives the stabilizing block 31 to move, so that the stabilizing block 31 abuts against the inner side of the suction pipe 17. If there is residual sputum in the suction tube 17, the suction tube 17 is placed in a container of physiological saline and washed. If the aperture of the end of the suction tube 17 far from the second connecting tube 16 is increased due to the blocking block 18, the medical staff can cut the suction tube 17 along the node groove 171, so that the enlarged aperture is cut off, and the subsequent sputum aspirator tube 2 can be well connected with the suction tube 17.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (9)

1. The sputum suction device is characterized by comprising a main body (11), a negative pressure device, a negative pressure hose (12), a liquid collecting bottle body (13), a cover body (14), a first connecting pipe (15), a second connecting pipe (16), a suction pipe (17), a sputum suction pipe (2) and a blocking block (18), wherein the negative pressure device is arranged on the main body (11), the negative pressure hose (12) is connected with the negative pressure device, the cover body (14) is arranged on the liquid collecting bottle body (13), the first connecting pipe (15) is arranged on the cover body (14) and connected with the negative pressure hose (12), the second connecting pipe (16) is arranged on the cover body (14), the suction pipe (17) is connected with the second connecting pipe (16), one end of the sputum suction pipe (2) is clamped with the suction pipe (17), and the blocking block (18) can be clamped with the suction pipe (17).

2. A sputum aspirator according to claim 1, characterized in that the block (18) is truncated cone-shaped and the cross section of the end of the block (18) located in the negative pressure hose (12) is smaller than the cross section not located in the negative pressure hose (12).

3. The sputum aspirator according to claim 2, wherein the plugging block (18) is provided with a stabilizing mechanism (3), the stabilizing mechanism (3) comprises a stabilizing block (31) and an adjusting component (32), the stabilizing block (31) is slidably arranged on the plugging block (18), the stabilizing block (31) can abut against the inner side wall of the suction pipe (17), and the adjusting component (32) is arranged on the plugging block (18) and is connected with the stabilizing block (31).

4. A sputum aspirator according to claim 3, wherein the adjusting assembly (32) comprises an adjusting shaft (321), an adjusting gear (322), an adjusting rack (323) and an adjusting cap (324), wherein the adjusting shaft (321) is rotatably arranged on the plugging block (18), the adjusting gear (322) is connected to the adjusting shaft (321) in a key way, the adjusting rack (323) is arranged on the stabilizing block (31) and meshed with the adjusting gear (322), the adjusting cap (324) is arranged at one end of the adjusting shaft (321) far away from the adjusting gear (322), and the adjusting cap (324) abuts against the plugging block (18).

5. A sputum aspirator according to claim 1, characterized in that the outer side wall of the suction tube (17) at the end remote from the second connecting tube (16) is provided with a plurality of node grooves (171).

6. The sputum suction apparatus according to claim 1, wherein a connection mechanism (4) is provided on the main body (11), the connection mechanism (4) comprises a first fixing block (41), a second fixing block (42) and a connection rope (43), the first fixing block (41) is provided on the main body (11), the second fixing block (42) is provided on the blocking block (18), and the connection rope (43) connects the first fixing block (41) and the second fixing block (42).

7. Sputum aspirator according to claim 1, characterized in that the main body (11) is provided with a receiving groove (111), and the liquid collecting bottle (13) is clamped with the receiving groove (111).

8. The sputum aspirator according to claim 7, wherein the main body (11) is provided with a reinforcing mechanism (5), the reinforcing mechanism (5) comprises a reinforcing block (51) and an adjusting bolt (52), the main body (11) is provided with a groove communicated with the containing groove (111), the reinforcing block (51) is slidably arranged in the groove and can tightly prop against the liquid collecting bottle body (13), the main body (11) is provided with a threaded hole communicated with the groove, the adjusting bolt (52) is in threaded connection with the threaded hole, and one end of the adjusting bolt (52) is in rotary connection with the reinforcing block (51).

9. The sputum suction apparatus according to claim 1, wherein the sputum suction tube (2) comprises a tube body (21), a first sputum suction part (22), a second sputum suction part (23) and an assembling block (24), wherein the first sputum suction part (22) is positioned at one end of the tube body (21), the cross section of the first sputum suction part (22) gradually becomes smaller towards the direction far away from the tube body (21), a first sputum inlet hole (221) communicated with the tube body (21) is formed in the first sputum suction part (22), a first sputum inlet (222) communicated with the first sputum inlet hole (221) is formed in the first sputum suction part (22), the second sputum suction part (23) is arranged at one end of the first sputum suction part (22) far away from the tube body (21), the second sputum suction part (23) is hemispherical, a first sputum inlet hole (221) communicated with the tube body (21) is formed in the second sputum suction part (23), a second sputum inlet (231) communicated with the second sputum suction part (23) is formed in the assembling block (17), and the second sputum inlet hole (231) is formed in the assembling block (17) is formed in the second sputum suction part (23), and the assembly block (24) is provided with a control hole communicated with the transfer (241) hole.