CN112138221B - Prevent secretion collection device for bronchoscope respiratory surgery of infection - Google Patents

Abstract

The invention discloses an anti-infection secretion collecting device for bronchoscope respiratory surgery, which belongs to the technical field of medical instruments and comprises an electric negative pressure aspirator and a negative pressure type secretion drainage tube matched with the electric negative pressure aspirator, wherein an upper tooth socket and a lower tooth socket are respectively arranged on the periphery of the negative pressure type secretion drainage tube, an input pipeline is arranged between the upper tooth socket and the lower tooth socket, and the end part of the input pipeline is communicated with a connecting port of an oxygen generator. According to the invention, through the mutual matching of the designed electric negative pressure aspirator, the oxygen generator, the ultrasonic atomizer, the heat preservation water tank, the motor, the automatic pressure regulating device and the cutting net, the smoothness of the negative pressure type secretion drainage tube and the input pipeline is ensured, the secretion can be crushed, the blockage caused by the large volume of the introduced secretion can be avoided, the blocking effect can be also achieved, and the damage of the overlarge suction force to the respiratory tract mucosa of a patient can be effectively avoided.

Description

Prevent secretion collection device for bronchoscope respiratory surgery of infection

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an infection-preventing secretion collecting device for bronchoscope respiratory surgery.

Background

The bronchoscope is a medical instrument which is placed in the lower respiratory tract of a patient through mouth or nose, is used for observing, biopsy sampling, bacteriological and cytological examination of lung lobe, segment and sub-segment bronchial lesions, can be used for photographing, teaching and dynamic recording in cooperation with a TV system, can assist in finding early lesions through a connected biopsy sampling accessory, can carry out in-vivo and in-vitro surgical operations such as polyp removal and the like, and is suitable for the operations such as research of bronchial diseases, lung diseases, postoperative examination and the like.

With the increasing population aging and the increasing people with immune compromise, respiratory infectious diseases are increasingly complicated, and therefore, in the process of performing bronchoscopic respiratory surgery on a patient, secretion collection devices are required to be matched for collecting secretions, however, the existing secretion collection devices for bronchoscopic respiratory surgery have certain defects in the using process, because the secretion collection is performed by a negative pressure drainage mode, oxygen and moisture in the respiratory tract of the patient are easy to be led out quickly in the process, certain discomfort is easy to be brought to the patient, the smooth proceeding of the bronchoscopic respiratory surgery is seriously influenced along with the movement, and because the negative pressure value generated by electric negative pressure generating equipment is high, the mucosa in the respiratory tract of the patient is easy to be damaged by overlarge suction force, infection is caused, and the viscosity of the respiratory secretions is high, the blockage in the pipeline is easy to occur, so that an infection-preventing secretion collecting device for bronchoscope respiratory surgery is urgently needed in the market at the present stage to solve the problems.

Disclosure of Invention

The invention aims to: the secretion collecting device for the bronchoscope respiratory surgery aims to solve the problems that the existing secretion collecting device for the bronchoscope respiratory surgery still has certain defects in the using process, the secretion is collected in a negative pressure drainage mode mostly, oxygen and moisture in the respiratory tract of a patient are easy to be led out in an accelerated mode in the process, the patient is easy to feel uncomfortable and moves along with the secretion, the smooth operation of the bronchoscope respiratory surgery is seriously influenced, the negative pressure value generated by an electric negative pressure generating device is high, the mucous membranes in the respiratory tract of the patient are easy to be damaged due to excessive suction force, infection is caused, and blockage is easy to occur in the pipeline due to high viscosity of the respiratory tract secretion.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a bronchoscope respiratory surgery who prevents infection is with secretion collection device, includes electrodynamic type negative pressure suction ware and with the negative pressure formula secretion drainage tube of electrodynamic type negative pressure suction ware looks adaptation, the periphery of negative pressure formula secretion drainage tube is provided with facing and lower facing respectively to go up the facing and be provided with the input pipeline down between the facing, the tip of input pipeline is linked together with oxygen generator's connection port, the bottom of input pipeline is linked together through a connection port of first connecting pipe with ultrasonic nebulizer, another connection port of ultrasonic nebulizer is linked together through the top of second connecting pipe with holding water box, the one end that electrodynamic type negative pressure suction ware was kept away from to negative pressure formula secretion drainage tube is linked together through the one end that connecting device and secretion suction head are close, secretion suction head keeps away from the one end of connecting device and has seted up secretion suction hole, spiral blades are arranged in the positions, corresponding to the secretion suction holes, in the secretion suction head, and an automatic pressure regulating device is arranged in the secretion suction head.

As a further description of the above technical solution:

go up the facing of facing and lower facing and pass through a plurality of elastic connection body fixed connection to the alveolus has all been seted up to the one side of going up facing and keeping away from each other of facing down.

As a further description of the above technical solution:

the surface of the input pipeline is provided with a first valve at a position close to the oxygen generator, the first valve is positioned between the first connecting pipe and the oxygen generator, and the surface of the first connecting pipe is provided with a second valve at a position close to the ultrasonic atomizer.

As a further description of the above technical solution:

the one side of going up facing and keeping away from each other of facing down all is provided with one deck jelly, just the preferred silica gel material of jelly.

As a further description of the above technical solution:

the spiral blade is wound on the surface of the driving shaft, the surface of the driving shaft is sleeved with a bearing, the bearing is positioned in a bearing connecting groove formed in the surface of the partition plate, and the outer side surface of the partition plate is fixedly connected with the inner side wall of the secretion suction head.

As a further description of the above technical solution:

the end part of the driving shaft is provided with a driving groove corresponding to the position of the bearing connecting groove, the end surface of the inner side of the driving groove is fixedly connected with a motor, and the end part of the output shaft of the motor is fixedly connected with the end surface of the inner side of the bearing connecting groove.

As a further description of the above technical solution:

the automatic pressure regulating device comprises a jacket, the outer side wall of the jacket is fixedly connected with the inner side wall of the secretion suction head, the blocking plate is sleeved inside the jacket, and the top of the blocking plate is fixedly connected with the top of the secretion suction head through a supporting spring.

As a further description of the above technical solution:

the surface of the partition board is connected with a plurality of cutting nets in an embedded mode, and the cutting nets are in an annular array with the center point of the bearing connecting groove as the circle center.

As a further description of the above technical solution:

the input of electrodynamic type negative pressure aspirator and motor all passes through the output electric connection of wire and first switch, the input of oxygen generator passes through the output electric connection of wire and second switch, the input of ultrasonic atomization ware passes through the output electric connection of wire and third switch, the input of first switch, second switch and third switch all passes through the output electric connection of wire and power.

As a further description of the above technical solution:

the first switch, the second switch and the third switch are all arranged at the top of the medical trolley, the power supply is arranged at the bottom of the medical trolley, and the electric negative pressure aspirator, the oxygen generator, the ultrasonic atomizer and the heat preservation water tank are all arranged at the top of the medical trolley.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, by the mutual cooperation of the designed electric negative pressure suction apparatus, the oxygen generator, the ultrasonic atomizer, the heat preservation water tank, the spiral blade, the motor, the automatic pressure regulating device and the cutting net, secretion substances positioned outside the secretion suction head are extruded to the secretion suction head and enter the secretion suction head through the secretion suction hole for collection, in the process, the discomfort caused by the rapid conduction of oxygen when the secretion is collected by negative pressure can be weakened to a certain extent, the abnormal movement of the respiratory tract part of a patient caused by the lack of oxygen can be prevented, the aerial fog generated by the ultrasonic atomizer can play a certain role in moistening the respiratory tract of the patient, the upper and lower tooth covers can avoid the reaction force which is applied to the patient due to the mutual occlusion between teeth in the sleeping process, and the smoothness of the negative pressure type secretion drainage tube and the input pipeline is ensured, helical blade and cutting net can play broken effect to the secretion, can avoid the secretion of introducing to cause the jam because of the volume is great, can also play and block the effect, effectively avoids too big suction harm patient's respiratory track mucosa in.

2. In the invention, the electric vacuum extractor is operated by the designed electric vacuum extractor and the negative pressure type secretion drainage tube, the first switch is operated to enable the electric vacuum extractor to run, and the negative pressure state of the secretion suction head of the electric vacuum extractor can be manufactured by a certain method in the working process of the electric vacuum extractor, so that secretion substances positioned outside the secretion suction head are extruded to the secretion suction head and enter the secretion suction head through the secretion suction hole.

3. In the invention, the oxygen generator is operated by the designed oxygen generator and the first valve and operating the second switch, the oxygen generator can generate oxygen and directly introduce the oxygen into the respiratory tract of a patient through the input pipeline, so that the discomfort caused by the rapid discharge of the oxygen when negative pressure is utilized to collect secretions can be weakened to a certain extent, and the abnormal movement of the respiratory tract part of the patient due to the lack of the oxygen can be avoided.

4. In the invention, through the designed ultrasonic atomizer, the first connecting pipe, the second connecting pipe and the heat-insulating water tank, in the process of supplementing oxygen into the respiratory tract of a patient by using the input pipeline, the third switch is operated to enable the ultrasonic atomizer to operate, the ultrasonic atomizer can atomize liquid introduced by the heat-insulating water tank into small molecule aerosol in the working process and mix the small molecule aerosol into the input pipeline, the small molecule aerosol enters the respiratory tract of the patient along with oxygen, so that moisture can be timely supplemented into the respiratory tract of the patient, discomfort caused by the rapid flow velocity of air in the respiratory tract is avoided, meanwhile, a certain moistening effect can be achieved on secretions in the respiratory tract of the patient, through the designed upper tooth socket, the lower tooth socket, the tooth socket and the elastic connecting body, the elastic connecting body is used as a supporting part between the upper tooth socket and the lower tooth socket, so that a negative pressure type secretion drainage tube and the input pipeline can be conveniently inserted between the upper tooth socket and the lower tooth socket, and the tooth socket of design can improve the stability of tooth socket and lower tooth socket after to the inside support of patient's oral cavity, because elastic connection body has certain elasticity effect, can avoid the patient to lead to the reaction force that receives because of the interlock each other between the comatose in-process tooth.

5. According to the invention, through the designed helical blade, the driving shaft, the driving groove, the bearing connecting groove, the motor, the partition plate and the cutting net, in the process of collecting secretions by utilizing negative pressure generated by the electric negative pressure suction device, the motor can be selectively operated, the output shaft of the motor can act on the driving shaft in the working process, so that the driving shaft drives the helical blade to perform stable rotation action in the bearing, and therefore, the secretions entering the secretion suction head can be quickly guided to the direction of the cutting net, and can be crushed under the action of the negative pressure and the transmission force of the helical blade, and the blockage caused by the large volume of the introduced secretions can be avoided.

6. According to the invention, through the designed blocking plate, the supporting spring and the outer sleeve, when the respiratory mucosa of the patient is attached to the end face of the secretion suction head due to overlarge negative pressure, the negative pressure inside the secretion suction head is enhanced, and the blocking plate is moved out of the outer sleeve under the action of the negative pressure, so that the blocking effect is achieved, and the damage of the overlarge suction force to the respiratory mucosa of the patient is effectively avoided.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an anti-infection secretion collecting device for bronchoscope respiratory surgery according to the present invention;

FIG. 2 is a schematic perspective view of a lower tooth socket of the secretion collecting device for an anti-infection bronchoscope respiratory surgery according to the present invention;

fig. 3 is an enlarged schematic structural view of a secretion collecting device a for an anti-infection bronchoscope respiratory surgery according to the present invention;

fig. 4 is an enlarged schematic structural view of a secretion collecting device B for an anti-infection bronchoscope respiratory surgery according to the present invention;

FIG. 5 is a schematic cross-sectional view of an orthographic view of a secretion suction head of the secretion collecting device for an anti-infection bronchoscope respiratory surgery, provided by the invention;

fig. 6 is an enlarged schematic structural view of a secretion collecting device C for an anti-infection bronchoscope respiratory surgery according to the present invention;

FIG. 7 is a schematic perspective view of a partition board of an anti-infection secretion collecting device for bronchoscope respiratory surgery according to the present invention;

fig. 8 is an enlarged structural schematic view of the automatic pressure regulating device of the secretion collecting device for the infection-preventing bronchoscope respiratory surgery provided by the invention.

Illustration of the drawings:

1. an electric vacuum extractor; 2. negative pressure type secretion drainage tube; 3. an oxygen generator; 4. an input pipe; 5. a first valve; 6. a first connecting pipe; 7. a second valve; 8. an ultrasonic atomizer; 9. a second connecting pipe; 10. a heat preservation water tank; 11. an upper tooth socket; 12. an elastic connector; 13. a lower tooth socket; 14. a tooth socket; 15. a connecting device; 16. a secretion suction head; 17. a secretion attracting aperture; 18. a helical blade; 19. a drive shaft; 20. a drive slot; 21. a bearing; 22. a bearing connecting groove; 23. a motor; 24. a partition plate; 25. cutting the net; 26. an automatic pressure regulating device; 261. a jacket; 262. a barrier plate; 263. a support spring; 27. a power source; 28. a first switch; 29. a second switch; 30. a medical trolley; 31. and a third switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an anti-infection secretion collecting device for bronchoscope respiratory surgery comprises an electric negative pressure aspirator 1 and a negative pressure type secretion drainage tube 2 matched with the electric negative pressure aspirator 1, wherein an upper tooth socket 11 and a lower tooth socket 13 are respectively arranged at the periphery of the negative pressure type secretion drainage tube 2, the upper tooth socket 11, the lower tooth socket 13, a tooth socket 14 and an elastic connector 12 are designed, the elastic connector 12 is used as a supporting part between the upper tooth socket 11 and the lower tooth socket 13, so that the negative pressure type secretion drainage tube 2 and an input pipeline 4 are conveniently inserted between the upper tooth socket 11 and the lower tooth socket 13, the designed tooth socket 14 can improve the stability of the upper tooth socket 11 and the lower tooth socket 13 after supporting the interior of the oral cavity of a patient, and the elastic connector 12 has a certain elastic effect, so that the counter acting force caused by mutual occlusion between teeth of the patient in the sleeping process can be avoided, an input pipeline 4 is arranged between the upper dental mouthpiece 11 and the lower dental mouthpiece 13, the end of the input pipeline 4 is communicated with a connecting port of the oxygen generator 3, the bottom of the input pipeline 4 is communicated with one connecting port of the ultrasonic atomizer 8 through the first connecting pipe 6, the ultrasonic atomizer 8, the first connecting pipe 6, the second connecting pipe 9 and the heat-insulating water tank 10 are designed, in the process of supplementing oxygen into the respiratory tract of a patient by using the input pipeline 4, the third switch 31 is operated to enable the ultrasonic atomizer 8 to operate, in the working process of the ultrasonic atomizer 8, liquid introduced through the heat-insulating water tank 10 can be atomized into small molecular aerosol and mixed into the input pipeline 4, and the small molecular aerosol enters the respiratory tract of the patient along with oxygen, so that moisture can be timely supplemented into the respiratory tract of the patient, and discomfort caused by the rapid flow rate of air inside the respiratory tract is avoided, meanwhile, the device can play a certain moistening effect on secretions in the respiratory tract of a patient, the other connecting port of the ultrasonic atomizer 8 is communicated with the top of the heat-insulating water tank 10 through a second connecting pipe 9, one end, away from the electric negative pressure aspirator 1, of the negative pressure type secretion drainage pipe 2 is communicated with one end, close to the secretion suction head 16, of the end, away from the electric negative pressure aspirator 1, through the designed electric negative pressure aspirator 1 and the designed negative pressure type secretion drainage pipe 2, the first switch 28 is operated to enable the electric negative pressure aspirator 1 to operate, the negative pressure state of the secretion suction head 16 of the electric negative pressure aspirator 1 can be manufactured through a certain method in the working process, the secretion outside the secretion suction head 16 is extruded to the secretion suction head 16 and enters the inside of the secretion suction head 16 through the secretion suction hole 17, and one end, away from the connecting device 15, of the secretion suction head 16 is provided with a secretion suction hole 17, the inner part of the secretion suction head 16 is provided with a helical blade 18 corresponding to the position of the secretion suction hole 17, and the inside of the secretion suction head 16 is provided with an automatic pressure regulating device 26, through the designed helical blade 18, the driving shaft 19, the driving groove 20, the bearing 21, the bearing connecting groove 22, the motor 23, the partition plate 24 and the cutting net 25, in the process of collecting secretion by using the negative pressure generated by the electric vacuum extractor 1, the motor 23 can be selectively operated, the output shaft of the motor 23 can apply torsion force on the driving shaft 19 in the working process, so that the driving shaft 19 drives the helical blade 18 to perform stable rotation action in the bearing 21, the secretions entering the interior of the secretion attracting head 16 can be quickly directed towards the cutting net 25, under the action of negative pressure and the transmission force of the helical blade 18, the utility model can break the secretion and avoid the blockage caused by the large volume of the introduced secretion.

Specifically, as shown in fig. 2, the opposite surfaces of theupper shell 11 and thelower shell 13 are fixedly connected by a plurality of elastic connectingbodies 12, and thetooth sockets 14 are formed on the surfaces of theupper shell 11 and thelower shell 13 away from each other.

Specifically, as shown in fig. 3, afirst valve 5 is disposed on a surface of theinput pipe 4 close to theoxygen generator 3, thefirst valve 5 is disposed between thefirst connection pipe 6 and theoxygen generator 3, and asecond valve 7 is disposed on a surface of thefirst connection pipe 6 close to the ultrasonic atomizer 8, theoxygen generator 3 is operated by theoxygen generator 3 and thefirst valve 5, and thesecond switch 29 is operated, so that theoxygen generator 3 can extract oxygen from air during operation, and directly introduce the oxygen into the respiratory tract of the patient through theinput pipe 4, so that discomfort caused by rapid discharge of the oxygen when secretion is collected by negative pressure can be reduced to a certain extent, and the occurrence of abnormal movement of the respiratory tract of the patient due to lack of the oxygen can be avoided.

Specifically, as shown in fig. 3, the surfaces of theupper shell 11 and thelower shell 13 away from each other are provided with a layer of jelly, and the jelly is preferably made of silica gel.

Specifically, as shown in fig. 5, thehelical blade 18 is wound around the surface of the drivingshaft 19, thebearing 21 is sleeved on the surface of the drivingshaft 19, thebearing 21 is located in thebearing connecting groove 22 formed on the surface of thepartition plate 24, and the outer side surface of thepartition plate 24 is fixedly connected with the inner side wall of thesecretion suction head 16.

Specifically, as shown in fig. 6, a drivinggroove 20 is formed at a position corresponding to thebearing connecting groove 22 at the end of the drivingshaft 19, amotor 23 is fixedly connected to an end surface inside the drivinggroove 20, and an end portion of an output shaft of themotor 23 is fixedly connected to an end surface inside thebearing connecting groove 22.

Specifically, as shown in fig. 8, the automaticpressure regulating device 26 includes acasing 261, the outer side wall of thecasing 261 is fixedly connected with the inner side wall of thesecretion suction head 16, a blockingplate 262 is sleeved inside thecasing 261, the top of the blockingplate 262 is fixedly connected with the top of the inner side of thesecretion suction head 16 through a supportingspring 263, through the designed blockingplate 262, supportingspring 263 andcasing 261, when the respiratory tract mucosa of the patient is attached to the end face of thesecretion suction head 16 due to the excessive negative pressure, the negative pressure inside thesecretion suction head 16 is enhanced, the blockingplate 262 is moved out from thecasing 261 under the action of the negative pressure, so as to achieve the blocking effect, and effectively avoid the excessive suction force from damaging the respiratory tract mucosa of the patient.

Specifically, as shown in fig. 7, the surface of thepartition plate 24 is connected with a plurality of cuttingnets 25 in an embedded manner, and the plurality of cuttingnets 25 are in an annular array with the center point of thebearing connecting groove 22 as a circle center.

Specifically, as shown in fig. 1, the input ends of theelectric vacuum extractor 1 and themotor 23 are electrically connected to the output end of thefirst switch 28 through wires, the wires of themotor 23 are hidden in the tube wall of the negative pressure typesecretion drainage tube 2, the input end of theoxygen generator 3 is electrically connected to the output end of thesecond switch 29 through wires, the input end of the ultrasonic atomizer 8 is electrically connected to the output end of thethird switch 31 through wires, and the input ends of thefirst switch 28, thesecond switch 29 and thethird switch 31 are electrically connected to the output end of thepower supply 27 through wires.

Specifically, as shown in fig. 1, thefirst switch 28, thesecond switch 29 and thethird switch 31 are all arranged on the top of the medical trolley 30, thepower supply 27 is arranged on the bottom of the medical trolley 30, and theelectric vacuum extractor 1, theoxygen generator 3, the ultrasonic atomizer 8 and the heatpreservation water tank 10 are all arranged on the top of the medical trolley 30.

The working principle is as follows: when in use, the first switch 28 is operated to operate the electric vacuum extractor 1, the electric vacuum extractor 1 can manufacture the negative pressure state of the secretion suction head 16 by a certain method in the working process, so that the secretion material positioned outside the secretion suction head 16 is extruded to the secretion suction head 16 and enters the secretion suction head 16 through the secretion suction holes 17, in the process, the oxygen generator 3 can extract oxygen from the air in the working process, the oxygen is directly introduced into the respiratory tract of a patient through the input pipeline 4, the uncomfortable feeling caused by the rapid leading-out of the oxygen when the secretion is collected by the negative pressure can be weakened to a certain extent, the abnormal movement of the respiratory tract part of the patient caused by the lack of the oxygen can be avoided, and in the process of supplementing the oxygen into the respiratory tract of the patient by the input pipeline 4, the third switch 31 is operated to make the ultrasonic atomizer 8 run, the ultrasonic atomizer 8 can atomize the liquid introduced by the heat preservation water tank 10 into small molecule aerosol and mix into the input pipeline 4 in the working process, the liquid can timely supplement moisture for the respiratory tract of the patient along with oxygen, the discomfort caused by the rapid flow rate of the air in the respiratory tract is avoided, meanwhile, a certain moistening effect can be achieved for the secretion in the respiratory tract of the patient, the elastic connecting body 12 is used as a supporting component between the upper tooth socket 11 and the lower tooth socket 13, the negative pressure type secretion drainage tube 2 and the input pipeline 4 can be conveniently inserted between the upper tooth socket 11 and the lower tooth socket 13, the designed tooth socket 14 can improve the stability of the upper tooth socket 11 and the lower tooth socket 13 after supporting the inside of the oral cavity of the patient, and the elastic connecting body 12 has a certain elastic effect, can avoid the reaction force which is caused by the mutual occlusion of teeth of a patient in the sleeping process, can select to make the motor 23 run in the process of generating negative pressure by using the electric negative pressure suction device 1 to collect secretions, the output shaft of the motor 23 can act on the driving shaft 19 by torsion in the working process, so that the driving shaft 19 drives the spiral blade 18 to stably rotate in the bearing 21, thereby quickly guiding the secretions entering the secretion suction head 16 to the direction of the cutting net 25, playing a role of crushing the secretions under the action of negative pressure and the transmission force of the spiral blade 18, avoiding the blockage of the introduced secretions caused by large volume, and enhancing the negative pressure in the secretion suction head 16 when the respiratory mucosa of the patient is attached to the end surface of the secretion suction head 16 due to overlarge negative pressure, the blocking plate 262 is moved out from the outer sleeve 261 under the action of negative pressure, so that the blocking effect is achieved, and the phenomenon that the mucosa in the respiratory tract of a patient is damaged by overlarge suction force is effectively avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides a bronchoscope respiratory surgery who prevents infection is with secretion collection device, including electrodynamic type negative pressure suction ware (1) and with negative pressure formula secretion drainage tube (2) of electrodynamic type negative pressure suction ware (1) looks adaptation, a serial communication port, the periphery of negative pressure formula secretion drainage tube (2) is provided with facing (11) and lower facing (13) respectively to go up facing (11) and be provided with input pipeline (4) down between facing (13), input pipeline (4) link to each other with oxygen generator (3), oxygen generator (3) one side of input pipeline (4) is linked together through a connection port of first connecting pipe (6) and ultrasonic nebulizer connecting pipe (8), another connection port of ultrasonic nebulizer (8) is linked together through the top of second connecting pipe (9) with holding water box (10), the one end that negative pressure formula secretion drainage tube (2) kept away from electrodynamic type negative pressure suction ware (1) is through linking to even The connecting device (15) is communicated with one end of a secretion suction head (16), a secretion suction hole (17) is formed in the secretion suction head (16), a spiral blade (18) is arranged in the secretion suction head (16) at a position corresponding to the secretion suction hole (17), and an automatic pressure regulating device (26) is arranged in the secretion suction head (16); the spiral blade (18) is wound on the surface of the driving shaft (19), a bearing (21) is sleeved on the surface of the driving shaft (19), the bearing (21) is positioned in a bearing connecting groove (22) formed in the surface of the partition plate (24), and the outer side surface of the partition plate (24) is fixedly connected with the inner side wall of the secretion suction head (16); the automatic pressure regulating device (26) comprises a jacket (261), the outer side wall of the jacket (261) is fixedly connected with the inner side wall of the secretion suction head (16), a blocking plate (262) is sleeved inside the jacket (261), and the top of the blocking plate (262) is fixedly connected with the top of the inner side of the secretion suction head (16) through a supporting spring (263); the surface of the partition plate (24) is connected with a plurality of cutting nets (25) in an embedded mode, and the plurality of cutting nets (25) are in an annular array by taking the center point of the bearing connecting groove (22) as the circle center.

2. The secretion collecting device for the infection-preventing bronchoscopic respiratory surgery as recited in claim 1, wherein the opposite surfaces of the upper facing (11) and the lower facing (13) are fixedly connected through a plurality of elastic connecting bodies (12), and the tooth sockets (14) are formed on the surfaces of the upper facing (11) and the lower facing (13) which are far away from each other.

3. An infection-preventing secretion collecting device for bronchoscopic airway surgery according to claim 2, wherein the surface of the input tube (4) near the oxygen generator (3) is provided with a first valve (5), and the first valve (5) is located between the first connecting tube (6) and the oxygen generator (3), and the surface of the first connecting tube (6) near the ultrasonic nebulizer (8) is provided with a second valve (7).

4. The secretion collecting device for the infection-preventing bronchoscopic respiratory surgery as recited in claim 3, wherein a layer of jelly is disposed on the surfaces of the upper and lower tooth sockets (11, 13) away from each other, and the jelly is made of silica gel.

5. The secretion collecting device for the infection-preventing bronchoscope airway surgery according to claim 4, wherein a driving groove (20) is formed at the end of the driving shaft (19) corresponding to the position of the bearing connecting groove (22), a housing of a motor (23) is fixedly connected to the inner end surface of the driving groove (20), and the output shaft of the motor (23) is fixedly connected to the inner end surface of the bearing connecting groove (22).

6. The secretion collecting device for the infection-preventing bronchoscope airway surgery according to claim 5, wherein the input ends of the electric negative pressure aspirator (1) and the motor (23) are electrically connected with the output end of the first switch (28) through wires, the input end of the oxygen generator (3) is electrically connected with the output end of the second switch (29) through wires, the input end of the ultrasonic atomizer (8) is electrically connected with the output end of the third switch (31) through wires, and the input ends of the first switch (28), the second switch (29) and the third switch (31) are electrically connected with the output end of the power supply (27) through wires.

7. The secretion collecting device for the infection-preventing bronchoscope respiratory surgery is characterized in that the first switch (28), the second switch (29) and the third switch (31) are all arranged at the top of the medical trolley (30), the power supply (27) is arranged at the bottom of the medical trolley (30), and the electric negative pressure aspirator (1), the oxygen generator (3), the ultrasonic atomizer (8) and the heat preservation water tank (10) are all arranged at the top of the medical trolley (30).

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