CN113384759A

CN113384759A - Negative pressure size self-adaptive accumulated liquid detection and extraction device

Info

Publication number: CN113384759A
Application number: CN202110545857.1A
Authority: CN
Inventors: 刘海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-09-14

Abstract

The invention discloses a negative pressure size self-adaptive accumulated liquid detection and extraction device, which comprises a suction machine and is characterized in that: the pipeline on one side of the suction machine is connected with a suction barrel, a suction pipeline is arranged on the upper side of the suction barrel, a suction head is fixedly mounted on one side of the suction pipeline, a negative pressure adjusting assembly is arranged inside the suction pipeline, a blockage processing assembly is arranged inside the suction barrel, the negative pressure adjusting assembly comprises a hydraulic head, the hydraulic head is fixedly mounted at the bottom of the suction head, a first pipeline is fixedly mounted on one side of the hydraulic head, a sealing plate is fixedly mounted at the other end of the first pipeline, a circular plate is fixedly mounted on the outer side of the sealing plate, a sliding needle is sleeved inside the circular plate, a resistance block is arranged on the outer side of the circular plate, and the sliding needle is connected with the resistance block in a sliding mode.

Description

Negative pressure size self-adaptive accumulated liquid detection and extraction device

Technical Field

The invention relates to the technical field of effusion extraction instruments, in particular to a negative pressure self-adaptive effusion detection and extraction device.

Background

At present clinically, there are the patient of many peritoneal cavity hydrops, when the hydrops is more serious, often need extract the hydrops in the peritoneal cavity, among the present extraction technique, often adopt puncture package cooperation suction machine and suction head to aspirate, puncture package and suction pipe are to cooperating, reduce to bring the misery for the patient at the vibrations of suction in-process suction pipe etc..

The existing effusion pumping device can not control the negative pressure, so that the pumping pressure can not be reduced in real time along with the reduction of effusion in the pumping process, the phenomenon that the pumping speed is higher after the effusion is less, so that the pumping device still works after the effusion is pumped, the suction is stopped when the human body is hurt or the effusion quantity is less than a certain value, the effusion is retained in the body of the patient, the possibility of the relapse of the effusion in the abdominal cavity is increased, the existing suction device can not avoid the blockage in the suction process, the blockage occurs in the process of suction, the suction is repeated frequently, the pain of a patient is increased, partial small mucin particles in the effusion are splashed out due to liquid oscillation after the effusion is pumped out, the strong suction airflow of the suction machine can enter the suction machine along with the airflow to pollute the suction machine, and the pollution of the mucin is not prevented in the existing suction device.

Therefore, it is necessary to design a negative pressure adaptive effusion detection and extraction device which can adjust the negative pressure in real time and prevent blockage.

Disclosure of Invention

The invention aims to provide a negative pressure self-adaptive effusion detection and extraction device to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a hydrops detection draw-out device of negative pressure size self-adaptation, includes the suction machine, its characterized in that: one side pipe connection of suction machine has a suction section of thick bamboo, the upside of suction section of thick bamboo is provided with the suction pipeline, one side fixed mounting of suction pipeline has the suction head, the inside of suction pipeline is provided with negative pressure adjusting part, the inside of suction section of thick bamboo is provided with blocks up processing assembly.

According to the technical scheme, the negative pressure adjusting assembly comprises a hydraulic head, the hydraulic head is fixedly installed at the bottom of the suction head, a first pipeline is fixedly installed on one side of the hydraulic head, a sealing plate is fixedly installed on the other end of the first pipeline, a circular plate is fixedly installed on the outer side of the sealing plate, a sliding pin is sleeved inside the circular plate, a resistance block is arranged on the outer side of the circular plate, the sliding pin is connected with the resistance block in a sliding mode, an arc-shaped spring is fixedly installed on one side of the sliding pin, a sliding block is fixedly installed on one side of the arc-shaped spring, a power source is electrically connected to the right side of the resistance block, and one end of the sliding pin is electrically connected with the suction machine.

According to the technical scheme, a flexible ball is arranged on the outer side of the suction pipeline, a second pipeline is fixedly mounted on one side of the flexible ball, an inner bearing of the circular plate is connected with a closed shell, a rotary column is fixedly mounted inside the closed shell, a rotary plate is fixedly mounted at one end of the rotary column, a fixed plate is slidably connected to the other end of the rotary column, the fixed plate is fixedly mounted on the circular plate, a force arm rod is fixedly mounted on the side of the closed shell, and the other end of the force arm rod is fixedly mounted on a sliding block.

According to the technical scheme, the inside of suction pipe is provided with central jar, the outside of central jar evenly is provided with prevents stifled jar, the outside of preventing stifled jar is provided with the looped pipeline, the downside sliding connection that the inside of preventing stifled jar is located the looped pipeline has prevents the jam pole, prevent that jam pole elastic connection is in the inside of preventing stifled jar, prevent the other end fixed mounting of jam pole on suction pipe, the both sides pipe connection of looped pipeline has the barosphere, barosphere fixed mounting is in suction pipe's both sides.

According to the technical scheme, the inside fixed mounting that sucks a section of thick bamboo has the elasticity filter screen, the right side fixed mounting of elasticity filter screen has spacing ball, one side fixed mounting of spacing ball has the bouncing ball, the side fixed mounting has the stretch cord about the bouncing ball, controls the side the elasticity coefficient of stretch cord is the same, and the left side stretch cord intensity is less than the right side stretch cord.

According to the technical scheme, one side of the air pressure ball is connected with the closed plate pipeline.

According to the technical scheme, the elastic filter screen is provided with a plurality of groups of filter holes, and activated carbon is arranged inside the filter holes.

According to the technical scheme, the flexible ball is connected with the suction pipeline in a sliding mode.

According to the technical scheme, the air pressure ball is made of elastic materials.

According to the technical scheme, one end of the suction head is provided with a plurality of groups of suction holes.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the negative pressure adjusting assembly is arranged, so that the device can adjust the size of the negative pressure in real time, the phenomenon that the suction speed is too high when the liquid level is low, the liquid is still sucked after the liquid level is sucked, the damage to a human body is avoided, the suction speed can be increased when the liquid level is high, the suction efficiency is increased, the pressure intensity in the abdominal cavity can be judged, the negative pressure is adjusted in real time, and the blockage processing assembly is arranged, so that the device can automatically increase the diameter of a suction pipeline after the blockage of the suction device is judged, the blockage is solved, and the blockage of an elastic filter screen in the suction cylinder can be avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic overall elevational view of the present invention;

FIG. 3 is a schematic view of the internal structure of the suction duct of the present invention;

FIG. 4 is a schematic view of the construction of the elastic screen of the present invention;

in the figure: 1. a suction cylinder; 2. a suction duct; 201. a pressure ball; 202. a central cylinder; 203. an anti-clogging cylinder; 204. an anti-jamming rod; 205. an annular duct; 3. a flexible ball; 4. a suction head; 5. a hydraulic head; 6. a circular ring plate; 7. a resistance block; 8. a containment vessel; 9. a rotating plate; 10. a fixing plate; 11. a slider; 12. an arc-shaped spring; 13. sliding the needle; 14. a suction machine; 15. a first conduit; 16. a second conduit; 17. a closing plate; 18. an elastic cord; 19. a limiting ball; 20. a resilient ball; 21. an elastic filter screen.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a hydrops detection draw-out device of negative pressure size self-adaptation, includes suction machine 14, its characterized in that: a suction tube 1 is connected to a pipeline at one side of the suction machine 14, a suction pipeline 2 is arranged at the upper side of the suction tube 1, a suction head 4 is fixedly arranged at one side of the suction pipeline 2, a negative pressure adjusting assembly is arranged inside the suction pipeline 2, and a blockage treating assembly is arranged inside the suction tube 1; through being provided with the negative pressure adjusting part, make the device can adjust the size of negative pressure in real time, it is too fast to avoid the liquid level when lower suction speed, still suction after resulting in having sucked the hydrops, cause the injury to the human body, and can improve suction speed when the hydrops is more, increase suction efficiency, and can judge the inside pressure size in abdominal cavity, adjust in real time the negative pressure, through being provided with the jam processing assembly, make the device can be after judging that suction device blocks up, the diameter of automatic increase suction pipeline, solve the jam with this, and can avoid the inside elastic filter screen of suction section of thick bamboo to take place to block up.

The negative pressure adjusting assembly comprises a hydraulic head 5, the hydraulic head 5 is fixedly installed at the bottom of the suction head 4, a first pipeline 15 is fixedly installed on one side of the hydraulic head 5, a sealing plate 17 is fixedly installed at the other end of the first pipeline 15, a circular plate 6 is fixedly installed on the outer side of the sealing plate 17, a sliding needle 13 is sleeved inside the circular plate 6, a resistance block 7 is arranged on the outer side of the circular plate 6, the sliding needle 13 is in sliding connection with the resistance block 7, an arc-shaped spring 12 is fixedly installed on one side of the sliding needle 13, a sliding block 11 is fixedly installed on one side of the arc-shaped spring 12, the right side of the resistance block 7 is electrically connected with a power supply, and one end of the sliding needle 13 is electrically connected with a suction machine 14; as shown in fig. 2, the pressure applied to the hydraulic head 5 in the effusion is proportional to the density of the effusion and the depth of the hydraulic head 5, and the difference between the densities of the effusion is not very large, so that the pressure applied to the hydraulic head 5 is proportional to the depth, after the hydraulic head 5 sinks to the bottom of the effusion deeply into the abdominal cavity of a human body, the depth of the effusion can be determined by the pressure applied to the hydraulic head 5, and the difference between the abdominal cavities of different people is not very large, so that the amount of the effusion can be determined by the depth of the effusion in the abdominal cavity, the hydraulic head 5 contracts after being applied with the pressure, resulting in the increase of the internal pressure, the internal pressure is transmitted to the lower side of the closing plate 17 through the first pipeline 15, the closing plate 17 is driven by the pressure to drive the sliding needle 13 to slide against the elastic force of the arc spring 12, the position of the contact point of the sliding needle 13 and the resistance block 7 is changed, resulting in the change of the value of the resistance of the access circuit, and consequently the power of the suction machine 14, and the negative pressure inside the suction cylinder 1, can be changed, which can be realized through the steps, when the pressure applied to the hydraulic head 5 is larger, the liquid accumulation amount is judged to be larger, the sliding distance of the control sliding needle 13 to the right side is larger, the resistance of the resistance block 7 connected to the circuit is smaller, the power obtained by the suction machine 14 is larger, the negative pressure in the suction cylinder 1 is larger, when the pressure applied to the hydraulic head 5 is small, the amount of accumulated liquid is judged to be small, the sliding distance of the sliding needle 13 to the right side is controlled to be small, the resistance of the resistance block 7 connected to the circuit is large, the power obtained by the suction machine 14 is small, the negative pressure in the suction cylinder 1 is small, the purpose of stepless regulation of the negative pressure according to the amount of accumulated liquid is achieved, when guaranteeing the extraction efficiency of hydrops, avoid the pumping speed too fast to lead to the hydrops to take out, suction head 4 still draws, causes the damage to the human body.

The outer side of the suction pipeline 2 is provided with a flexible ball 3, one side of the flexible ball 3 is fixedly provided with a second pipeline 16, an inner bearing of the circular plate 6 is connected with a closed shell 8, a rotary column is fixedly arranged in the closed shell 8, one end of the rotary column is fixedly provided with a rotary plate 9, the other end of the rotary column is connected with a fixed plate 10 in a sliding manner, the fixed plate 10 is fixedly arranged on the circular plate 6, the side of the closed shell 8 is fixedly provided with a force arm rod, and the other end of the force arm rod is fixedly arranged on a sliding block 11; as shown in fig. 2, the flexible ball 3 can determine the pressure inside the abdominal cavity, adjust the initial position of the slider 11, because the accumulated liquid is often accompanied by the inflation, the inflation leads to a larger pressure inside the abdominal cavity, when the negative pressure inside the suction tube 1 is constant, if the pressure inside the abdominal cavity is larger, the suction speed is also increased due to a larger pressure difference, the flexible ball 3 can determine the pressure inside the abdominal cavity, when the pressure inside the abdominal cavity is larger, the pressure difference is generated with the inherent pressure inside the flexible ball 3, so as to squeeze the flexible ball 3, increase the pressure inside the flexible ball 3, and transmit the pressure to the sealing shell 8 through the second pipeline 16, the left side pressure of the sealing shell 8 is increased, so as to drive the rotating plate 9 to rotate to increase the volume between the rotating plate 9 and the fixing plate 10, the rotating plate 9 drives the sealing shell 8 to rotate, and amplify the rotating force brought by the pressure through the arm lever, further, the sliding block 11 is driven to move to overcome friction force, the initial position of the sliding block 11 is changed, through the steps, when the pressure is too high due to the inflation in the abdominal cavity, the sliding block 11 is made to slide clockwise, the arc-shaped spring 12 is compressed, the difficulty of sliding the sliding needle 13 to slide rightwards is increased, when the same liquid loading amount is achieved, the negative pressure in the suction cylinder 1 is small, the situation that the suction speed is too high due to the fact that the pressure difference is larger than an expected value due to the fact that the pressure in the abdominal cavity is too high and the threat to the human body is avoided, when the pressure in the abdominal cavity is small, the sliding block 11 can slide anticlockwise, the difficulty of sliding the sliding needle 13 to slide rightwards is reduced, when the same liquid loading amount is achieved, the negative pressure in the suction cylinder 1 is large, and the situation that the suction speed is too low due to the fact that the pressure difference is smaller than the expected value due to the fact that the pressure in the abdominal cavity is too small is avoided, and the suction efficiency is affected.

A central cylinder 202 is arranged inside the suction pipeline 2, anti-blocking cylinders 203 are uniformly arranged outside the central cylinder 202, an annular pipeline 205 is arranged outside the anti-blocking cylinders 203, an anti-blocking rod 204 is slidably connected inside the anti-blocking cylinders 203 and positioned below the annular pipeline 205, the anti-blocking rod 204 is elastically connected inside the anti-blocking cylinders 203, the other end of the anti-blocking rod 204 is fixedly arranged on the suction pipeline 2, pipelines on two sides of the annular pipeline 205 are connected with air pressure balls 201, and the air pressure balls 201 are fixedly arranged on two sides of the suction pipeline 2; as shown in fig. 3, when the inside of the suction pipe 2 is blocked, because the continuous operation of the suction machine 14 causes the negative pressure inside the suction tube 1 to continuously increase, and further causes the pressure difference between the air pressure ball 201 and the outside, the air pressure ball 201 expands under the action of the pressure difference, and causes the internal pressure to decrease, at this time, the decreased pressure is transmitted to the inside of the annular pipe 205, and further causes the pressure on the upper side of the anti-blocking cylinder 203 to decrease, the anti-blocking rod 204 moves outwards under the action of the elastic force, and further increases the diameter of the suction pipe 2, when there is a blockage, the negative pressure inside the suction tube 1 continuously increases, and further causes the internal pressure of the air pressure ball 201 to continuously decrease, and further causes the diameter of the suction pipe 2 to continuously increase, until the negative pressure component returns to normal when the blockage is cleared, the suction pipe 2 stops sucking, and the diameter of the suction pipe 2 is driven to increase, therefore, the blockage situation is solved, if the blockage is not solved, the negative pressure suction force of the suction pipeline 2 is increased, the diameter of the suction pipeline 2 is continuously increased, and the force for clearing the blockage is increased.

An elastic filter screen 21 is fixedly arranged in the suction barrel 1, a limiting ball 19 is fixedly arranged on the right side of the elastic filter screen 21, an elastic ball 20 is fixedly arranged on one side of the limiting ball 19, elastic ropes 18 are fixedly arranged on the left side and the right side of the elastic ball 20, the elastic coefficients of the elastic ropes 18 on the left side and the right side are the same, and the strength of the elastic rope 18 on the left side is lower than that of the elastic rope 18 on the right side; as shown in fig. 4, the elastic filter screen 21 is used for filtering small-particle mucin in the accumulated liquid to prevent the suction machine 14 from being polluted, when the elastic filter screen 21 is blocked, the right-side air is continuously sucked out by the suction machine 14 to cause the right-side pressure of the elastic filter screen 21 to be continuously reduced, and further the elastic filter screen 21 is pressed by the left-side pressure to be bent and deformed rightwards, so that the elastic ropes 18 are continuously stretched, because the elastic coefficients of the elastic ropes 18 on the two sides are consistent, the elastic balls 20 cannot move after stretching, the limiting balls 19 have viscosity, when the elastic filter screen 21 is not deformed, the limiting balls 19 are used for fixing the positions of the elastic balls 20, when the elastic ropes are bent to a certain degree, because the strength of the left-side elastic ropes 18 is lower than that of the right-side elastic ropes 18, the left-side elastic ropes 18 break, the elastic balls 20 are instantly subjected to a very large elastic force, and further the elastic balls 20 are hit on the elastic filter screen 21 under the action of the elastic force, the volatile matter of the mucin adhered to the elastic filter screen 21 is shaken down, and through the steps, the elastic filter screen 21 can be hit by the elastic ball 20 after the elastic filter screen 21 is blocked by the volatile matter in the accumulated liquid, so that the adhered matter on the elastic filter screen is removed, and the phenomenon that the operation of the rotor is influenced due to blockage is avoided.

One side of the air pressure ball 201 is connected with the sealing plate 17 through a pipeline; the change of the pressure inside the air pressure ball 201 can be transmitted to the closing plate 17, and the change of the pressure inside the closing plate 17 can also be transmitted to the air pressure ball 201, so that the negative pressure is gradually reduced by reducing the amount of accumulated liquid, a part of gas can be simultaneously pumped out of the air pressure ball 201 to counteract the change of the pressure inside the air pressure ball 201 due to compression of the air pressure ball 201 caused by reduction of the external negative pressure, and when a blockage occurs, the air pressure ball 201 continuously expands to cause the pressure inside the closing plate 17 to be rapidly sucked, the sliding needle 13 slides leftwards, so that the power of the suction machine 14 is continuously reduced to reduce the speed of increasing the negative pressure, and the dangerous situation caused by the overlarge pressure difference at the moment of blockage and dredging can be avoided.

A plurality of groups of filtering holes are formed in the elastic filtering net 21, and activated carbon is arranged in the filtering holes; elastic filter screen 21 is blockked up the back, earlier self crooked, and then makes the length of self increase, and inside filtration pore is stretched, and then leads to the filtration pore increase, makes the original filtration pore that is blockked up dredged for still can guarantee gaseous circulation through the bending after the filter screen is blockked up, and when the bending degree is too big, can trigger elastic ball 20 and shake elastic filter screen 21 fast, solve the jam problem.

The flexible ball 3 is connected with the suction pipeline 2 in a sliding way; the flexible ball 3 can rely on self buoyancy to float on the liquid level of hydrops all the time for the pipeline shape under the flexible ball 3 is limited by it, avoids the pipeline to buckle in the hydrops and piles up.

The air pressure ball 201 is made of elastic material; the air ball 201 is quickly restored after being deformed.

One end of the suction head 4 is provided with a plurality of groups of suction holes; the suction holes are arranged in a plurality of groups, so that blockage in the suction process is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hydrops detection draw-out device of negative pressure size self-adaptation, includes suction machine (14), its characterized in that: the utility model discloses a suction machine, including suction machine (14), suction machine, and suction machine, the upside of (1) is provided with suction pipe (2), suction machine, is provided with inside, and is provided with suction machine, and is provided with negative pressure, and is provided with in the inside of suction machine, and is provided with negative pressure, and is adjusted the inside, and is adjusted the subassembly, and is provided with the inside of suction machine, and is provided with the inside of suction machine, and is provided with the inside and is provided with the processing subassembly.

2. The negative pressure size self-adaptive effusion detection and extraction device of claim 1, characterized in that: the negative pressure adjusting component comprises a hydraulic head (5), the hydraulic head (5) is fixedly arranged at the bottom of the suction head (4), a first pipeline (15) is fixedly arranged on one side of the hydraulic head (5), a closing plate (17) is fixedly arranged at the other end of the first pipeline (15), a circular ring plate (6) is fixedly arranged on the outer side of the closing plate (17), a sliding needle (13) is sleeved in the circular ring plate (6), a resistance block (7) is arranged on the outer side of the circular ring plate (6), the sliding needle (13) is connected with the resistance block (7) in a sliding way, an arc-shaped spring (12) is fixedly arranged on one side of the sliding needle (13), a sliding block (11) is fixedly arranged on one side of the arc-shaped spring (12), the right side of the resistance block (7) is electrically connected with a power supply, and one end of the sliding needle (13) is electrically connected with a suction machine (14).

3. The negative pressure size self-adaptive effusion detection and extraction device of claim 2, characterized in that: the utility model discloses a suction pipeline, including suction pipeline (2), one side fixed mounting of flexible ball (3) has second pipeline (16), the inside bearing of ring board (6) is connected with closed shell (8), the inside fixed mounting of closed shell (8) has the rotary column, the one end fixed mounting of rotary column has rotor plate (9), the other end sliding connection of rotary column has fixed plate (10), fixed plate (10) fixed mounting is on ring board (6), the side fixed mounting of closed shell (8) has the arm of force pole, the other end fixed mounting of arm of force pole is on slider (11).

4. The negative pressure size self-adaptive effusion detection and extraction device of claim 3, characterized in that: the inside of suction pipe (2) is provided with central jar (202), the outside of central jar (202) evenly is provided with prevents stifled jar (203), the outside of preventing stifled jar (203) is provided with looped pipeline (205), the downside sliding connection that the inside of preventing stifled jar (203) is located looped pipeline (205) has prevents stifled pole (204), prevent the inside of stifled jar (203) of stifled pole (204) elastic connection, the other end fixed mounting of preventing stifled pole (204) is on suction pipe (2), the both sides pipe connection of looped pipeline (205) has atmospheric pressure ball (201), atmospheric pressure ball (201) fixed mounting is in the both sides of suction pipe (2).

5. The negative pressure size self-adaptive effusion detection and extraction device of claim 4, characterized in that: the inside fixed mounting of a suction section of thick bamboo (1) has elasticity filter screen (21), the right side fixed mounting of elasticity filter screen (21) has spacing ball (19), one side fixed mounting of spacing ball (19) has bounce ball (20), side fixed mounting has stretch cord (18) about bounce ball (20), controls the side the coefficient of elasticity of stretch cord (18) is the same, and the left side stretch cord (18) intensity is less than right side stretch cord (18).

6. The negative pressure size self-adaptive effusion detection and extraction device of claim 5, characterized in that: one side of the air pressure ball (201) is connected with a sealing plate (17) through a pipeline.

7. The negative pressure size self-adaptive effusion detection and extraction device of claim 6, characterized in that: the elastic filter screen (21) is provided with a plurality of groups of filter holes, and activated carbon is arranged in the filter holes.

8. The negative pressure size self-adaptive effusion detection and extraction device of claim 7, characterized in that: the flexible ball (3) is connected with the suction pipeline (2) in a sliding way.

9. The negative pressure size self-adaptive effusion detection and extraction device of claim 8, characterized in that: the air pressure ball (201) is made of elastic materials.

10. The negative pressure size-adaptive effusion detection and extraction device according to claim 9, characterized in that: one end of the suction head (4) is provided with a plurality of groups of suction holes.