A pediatric auxiliary sputum suction device and method thereof

Abstract

The present invention relates to the technical field of sputum suction devices, specifically to a pediatric auxiliary sputum suction device and method thereof, comprising a nipple body, a sputum suction tube group and a sputum discharge part; the nipple body is composed of a nipple head and a lip piece, and a perforation penetrating the front end of the nipple head is provided at the center of the rear side of the lip piece; the sputum suction tube group comprises a sputum tube connected with the perforation sleeve and a drawing wire symmetrically arranged above and below the sputum tube. The nipple body provided by the present invention allows the child to suck to soothe his emotions, thereby cooperating with the sputum suction work, and the sputum suction tube group provided at the rear of the nipple body can be used to control the drawing wire to extend the sputum tube to the child's throat by grasping the adjustment sleeve, and then when the sputum suction group moves downward and generates negative pressure between the sputum guide cover, the sputum in the throat is sucked into the sputum collecting tube through the catheter and the sputum tube, and at the same time, the disinfectant liquid in the liquid storage bottle is sucked through the syringe to mix with the sputum to dilute and sterilize, thereby successfully completing the sputum suction work under the safety of the child.

Description

Technical Field

[0001] The invention relates to the technical field of sputum suction devices, and in particular to a pediatric auxiliary sputum suction device and a method thereof. Background Art

[0002] Application number CN202020760561.2 discloses a pediatric auxiliary sputum suction device, including a sputum suction auxiliary component and a restraining component. The sputum suction auxiliary component includes a first brace, a second brace, a pipe and a support rod, one end of which is fixed to the outer surface of the first brace and the second brace. When in use, the pipe is inserted into the child's mouth, and the first restraining belt and the second restraining belt are fixed together through a third Velcro according to the size of the child's head, that is, the auxiliary sputum suction device is fixed, and the pipe is also fixed in the child's mouth, and then the controllable sputum suction tube is inserted into the pipe to suck out the sputum in the child's oropharynx.

[0003] Although the pediatric auxiliary suction device effectively prevents children from biting the tube, which would make suction impossible, children's cooperation is limited, making it difficult to successfully suction. In particular, young children find it difficult to wear it successfully, so suction operations are difficult to perform normally. Summary of the invention

[0004] In order to overcome the defects in the prior art, the object of the present invention is to provide a pediatric auxiliary sputum suction device and method thereof to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, on the one hand, the present invention provides a pediatric auxiliary sputum suction device, comprising a nipple body, a sputum suction tube group and a sputum discharge part; the nipple body is composed of a nipple head and a lip piece as a whole, and a through hole penetrating the front end of the nipple head is opened in the center of the rear side of the lip piece; the sputum suction tube group comprises a sputum tube sleeved with the through hole and a drawing wire symmetrically arranged above and below the sputum tube, and the drawing wire is connected with the rear side of the lip piece and slides around to pull the sputum tube out of the nipple head;

[0006] The sputum discharge part comprises a sputum collecting cylinder for collecting sputum, a sputum suction group arranged in the lower half of the sputum collecting cylinder, an adjusting sleeve sleeved on the outer side of the upper half of the sputum collecting cylinder, and a sputum guiding hood connected with the sputum tube and sleeved with the sputum suction group, the adjusting sleeve is sleeved and matched with the sputum collecting cylinder for positioning and rotation, two sputum discharge ports are arranged at the same height of the side wall of the adjusting sleeve, a liquid through port corresponding to the sputum discharge port is arranged on one side of the upper half of the sputum collecting cylinder, a catheter sleeved and matched with the liquid through port is arranged on one side of the top of the sputum guiding hood, a needle tube passing through the top of the sputum collecting cylinder is arranged on the top of the sputum guiding hood, a movable column is sleeved in the bottom of the needle tube, a supporting ring for supporting the movable column to move inside and outside the bottom end of the needle tube is tightly sleeved in the top of the sputum guiding hood, and a liquid storage bottle sleeved with the needle tube is arranged above the sputum collecting cylinder;

[0007] The sputum suction group moves downward to generate negative pressure between it and the sputum guide hood, and the sputum in the throat is sucked into the sputum collecting tube through the catheter and the sputum tube. At the same time, the disinfectant liquid in the liquid storage bottle is sucked through the syringe to mix and dilute it with the sputum. The sputum collecting tube is rotated to make the liquid outlet coincide with another sputum outlet, and then the sputum suction group is moved upward to squeeze the diluted sputum out of the catheter and out of the sputum collecting tube.

[0008] As a further improvement of the technical solution, the front end of the nipple is in the shape of a large-diameter round head and its outer side is provided with a plurality of grooves in a circular shape at equal intervals, and reinforcing wires are clamped in the grooves.

[0009] As a further improvement of the technical solution, a fixing ring is provided on the rear side of the lip sticking piece and above and below the perforation, one end of the drawing wire passes around the fixing ring and is attached to the sputum tube, and the other end of the drawing wire is bolted to the front side wall of the adjusting sleeve.

[0010] As a further improvement of the technical solution, a plurality of annular ribs are provided at equal intervals on the outer side of the sputum tube close to the lip patch, a pull ring is fastened between the front ends of a pair of drawn wires, and an annular groove is provided on the inner side of the pull ring for clamping with the annular ribs.

[0011] As a further improvement of the technical solution, one end of the drawing wire close to the adjustment sleeve is separated and fastened with a drawing handle, and the drawing handle is a closed ring structure.

[0012] As a further improvement of the present technical solution, limiting grooves are arranged at intervals on the outer side of the upper half of the sputum collecting tube, and convex edges are arranged on the inner walls of the upper and lower ends of the adjusting sleeve, and the convex edges are engaged with and rotated in the limiting grooves. A block is arranged on the top surface of the adjusting sleeve and directly above the sputum discharge port, and a limiting block is arranged on the outer wall of the sputum collecting tube and directly above the liquid outlet and above the limiting groove, and the limiting block is located between a pair of blocks.

[0013] As a further improvement of the present technical solution, the sputum suction group includes a pull rod, a piston sleeved on the top of the pull rod, a spring sleeved on the outside of the pull rod, and a tube cover snap-fitted with the bottom port of the sputum collecting tube; the piston is made of rubber material to form a frustum structure, and is movably sleeved with the inner wall of the sputum collecting tube.

[0014] As a further improvement of the present technical solution, the top surface of the sputum collecting tube is connected to a liquid inlet nozzle which is sleeved with the mouth of the liquid storage bottle. A bottle mouth plug is tightly sleeved in the mouth of the liquid storage bottle. A crack is opened in the center of the bottle mouth plug and is sleeved with the needle tube. The center of the bottom of the liquid storage bottle is open and a rubber plug is inserted.

[0015] As a further improvement of the technical solution, a sleeve is provided on the outer wall of the adjusting sleeve and outside one of the sputum discharge ports, and the rear end of the sputum tube is sleeve-fitted with the sleeve.

[0016] In another aspect, the present invention provides a pediatric assisted sputum suction method, using the above-mentioned pediatric assisted sputum suction device, comprising the following steps:

[0017] S1. First, place the storage bottle filled with disinfectant liquid upside down on the top of the sputum collecting tube;

[0018] S2, then put the pacifier body into the child's mouth for sucking;

[0019] S3, then hold the adjustment sleeve and hook the drawing wire with two fingers, and the pull ring drives the sputum tube forward, so that the front end of the sputum tube extends out of the nipple head and reaches the throat;

[0020] S4, pull the rod downward to generate negative pressure between the piston and the sputum guide cover, suck the sputum in the throat through the catheter and the sputum tube into the sputum collection tube, and at the same time suck the disinfectant in the liquid storage bottle through the needle tube to mix and dilute with the sputum;

[0021] S5, then rotate the sputum collecting tube so that the liquid outlet coincides with another sputum outlet;

[0022] S6, loosen the pull rod again to allow it to rebound and push the piston upward to discharge the diluted sputum from the catheter to the sputum collecting tube, and rotate the sputum collecting tube to reset;

[0023] S7. Continue to repeat S4-S6 to repeatedly aspirate and discharge sputum.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The pediatric auxiliary sputum suction device and method thereof can soothe the child's emotions by sucking on the pacifier body, thereby cooperating with the sputum suction work. Through the sputum suction tube group arranged at the rear of the pacifier body, by grasping the adjustment sleeve, the pull wire can be controlled by fingers to extend the sputum tube to the child's throat, and then when the sputum suction group moves downward, negative pressure is generated between the sputum guide cover, and the sputum in the throat is sucked into the sputum collecting tube through the catheter and the sputum tube. At the same time, the disinfectant liquid in the liquid storage bottle is sucked through the syringe to mix with the sputum to dilute and sterilize it, thereby successfully completing the sputum suction work while the child is stable.

[0026] 2. The pediatric auxiliary sputum suction device and method thereof are characterized by a rotational sleeve connection with the sputum collecting tube through the setting of the adjusting sleeve, the sputum collecting tube is rotated so that the liquid passage port coincides with another sputum discharge port, and then the pull rod is released to rebound and the piston is pushed upward to discharge the diluted sputum from the catheter to the sputum collecting tube, so that the sputum collecting tube can be discharged and cleaned in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the figures are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to the teachings of the present invention.

[0028] Figure 1 It is a schematic diagram of the overall assembly structure of the present invention.

[0029] Figure 2 For the present invention Figure 1 main view.

[0030] Figure 3 It is a schematic diagram of the assembly structure of the nipple body and the sputum suction tube group of the present invention.

[0031] Figure 4 This is a disassembled view of the pacifier body of the present invention.

[0032] Figure 5 It is a disassembled diagram of the sputum suction tube assembly of the present invention.

[0033] Figure 6 It is a schematic diagram of the internal assembly structure of the expectoration part of the present invention.

[0034] Figure 7 For the present invention Figure 6 main view.

[0035] Figure 8 This is a disassembled view of the sputum collecting tube and the liquid storage bottle of the present invention.

[0036] Fig. 9 The figure is a disassembled diagram of the sputum guiding cover of the present invention.

[0037] Fig.10 It is a schematic diagram of the structure of the sputum suction assembly of the present invention.

[0038] The meaning of each number in the figure is:

[0039] 100, nipple body; 110, nipple head; 111, slot; 120, lip piece; 121, perforation; 122, fixing ring; 130, reinforcing wire; 200, sputum suction tube set; 210, sputum tube; 211, ring rib; 220, drawing wire; 221, handle; 230, pull ring; 231, ring groove; 300, sputum discharge part; 310, sputum collection tube; 311, liquid inlet nozzle; 312, liquid outlet; 313, limit Groove; 314, limit block; 320, suction group; 321, pull rod; 322, piston; 323, spring; 324, cylinder cover; 330, adjustment sleeve; 331, sputum outlet; 332, sleeve; 333, convex edge; 334, stopper; 340, sputum guide cover; 341, catheter; 342, needle tube; 343, movable column; 344, support ring; 350, liquid storage bottle; 351, rubber stopper; 352, bottle mouth stopper. DETAILED DESCRIPTION

[0040] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be regarded as falling within the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which can be directly connected or indirectly connected through an intermediate medium.

[0041] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0042] See also Figure 1-Figure 10As shown, the present invention provides a pediatric auxiliary sputum suction device, including a pacifier body 100, a sputum suction tube set 200 and a sputum discharge part 300; the pacifier body 100 is composed of a pacifier head 110 and a lip piece 120, and is made of food-grade silicone material; the pacifier body 100 allows the child to suck to soothe the child's emotions, thereby cooperating with the sputum suction work; a through hole 121 that runs through the front end of the pacifier head 110 is provided in the center of the rear side of the lip piece 120; the sputum suction tube set 200 includes a sputum tube 210 sleeved with the through hole 121 and a drawing wire 220 symmetrically arranged above and below the sputum tube 210, the drawing wire 220 is made of nylon wire, which is tough and durable; the drawing wire 220 is connected and slidably connected with the rear side of the lip piece 120 to pull the sputum tube 210 out of the pacifier head 110, so that when the pacifier head 110 is sucked, the sputum tube 210 extends from the through hole 121 to the child's throat to suck sputum;

[0043] The sputum discharge part 300 includes a sputum collecting tube 310 for collecting sputum, a sputum suction group 320 arranged in the lower half of the sputum collecting tube 310, an adjusting sleeve 330 sleeved on the outer side of the upper half of the sputum collecting tube 310, and a sputum guiding cover 340 docked with the sputum tube 210 and sleeved with the sputum suction group 320; the adjusting sleeve 330 is positioned and rotatably sleeved with the sputum collecting tube 310, and the sputum discharge part 300 is lifted up as a whole by grasping the adjusting sleeve 330; two sputum discharge ports 331 are provided at the same height of the side wall of the adjusting sleeve 330, a liquid passage 312 corresponding to the sputum discharge port 331 is provided on one side of the upper half of the sputum collecting tube 310, and a catheter 341 sleeved with the liquid passage 312 is connected to one side of the top of the sputum guiding cover 340, that is, rotating the sputum collecting tube 310 drives the catheter 341 to switch and dock between the two sputum discharge ports 331, thereby completing the work of suctioning and discharging sputum.

[0044] The top of the sputum guide cover 340 is connected to a needle tube 342 that passes through the top of the sputum collecting tube 310. The bottom of the needle tube 342 is sleeved with a movable column 343, which blocks the needle tube 342 when it moves upward and opens the needle tube 342 when it moves downward. A supporting ring 344 for supporting the movable column 343 to move inside and outside the bottom end of the needle tube 342 is tightly sleeved in the top of the sputum guide cover 340; the supporting ring 344 is composed of an inner and outer double ring connection, the movable column 343 is made of silicone and has a pointed top, the lower end of the movable column 343 is a large diameter end and is sleeved with the inner ring of the supporting ring 344 and placed below it, so as to form a limiting structure; when suctioning sputum, the movable column 343 is also sucked down to open the needle tube 342 to release the liquid, and when expectorating, the lower end of the movable column 343 is lifted by air and moves upward as a whole, thereby blocking the needle tube 342, so that the sputum is only discharged from the sputum discharge port 331;

[0045] A liquid storage bottle 350 connected to the needle tube 342 is arranged above the sputum collecting tube 310. 75% alcohol or iodine-containing disinfectant liquid is injected into the liquid storage bottle 350 to dilute the sputum and sterilize it for smooth discharge.

[0046] When the sputum suction group 320 moves downward and negative pressure is generated between the sputum guide hood 340, the sputum in the throat is sucked into the sputum collecting tube 310 through the catheter 341 and the sputum tube 210, and at the same time, the disinfectant liquid in the liquid storage bottle 350 is sucked through the syringe 342 to mix and dilute with the sputum, and the sputum collecting tube 310 is rotated so that the liquid outlet 312 coincides with another sputum outlet 331, and then the sputum suction group 320 is moved upward to squeeze the diluted sputum out of the catheter 341 and out of the sputum collecting tube 310.

[0047] Furthermore, the front end of the nipple 110 is in the shape of a large-diameter round head and its outer side is provided with a plurality of slots 111 in a circular shape at equal intervals. A reinforcing wire 130 is connected in the slot 111. The reinforcing wire 130 is a nylon wire. The sputum tube 210 is a silicone transparent tube. The reinforcing wire 130 is used to strengthen the roundness of the nipple 110 to prevent it from being deflated when sucked, so that the sputum tube 210 can be freely extended and retracted.

[0048] Furthermore, a fixing ring 122 is provided on the rear side of the lip sticking piece 120 and above and below the through hole 121. One end of the drawing wire 220 passes through the fixing ring 122 and is attached to the sputum tube 210. The other end of the drawing wire 220 is bolted to the front side wall of the adjustment sleeve 330. By grasping the adjustment sleeve 330, the drawing wire 220 can be manipulated by fingers to drive the sputum tube 210 to extend.

[0049] A plurality of annular ribs 211 are provided at equal intervals on the outer side of the sputum tube 210 near the lip patch 120, a pull ring 230 is fastened between the front ends of a pair of draw wires 220, and an annular groove 231 for engaging with the annular ribs 211 is provided on the inner side of the pull ring 230; that is, the length of the sputum tube 210 can be adjusted and stretched by engaging the pull ring 230 with the annular ribs 211 at different positions, so that the sputum tube 210 can be inserted into the throat to suck out sputum.

[0050] Furthermore, one end of the drawing wire 220 close to the adjusting sleeve 330 is separated and fastened with a drawing handle 221 , and the drawing handle 221 is a closed ring structure, so that a finger can hook the drawing handle 221 to pull the drawing wire 220 to extend the sputum tube 210 .

[0051] Specifically, the outer side of the upper half of the sputum collecting tube 310 is provided with a limiting groove 313 at intervals, and the inner walls of the upper and lower ends of the adjusting sleeve 330 are provided with a convex edge 333, which is engaged with the limiting groove 313 and rotates, so that the sputum collecting tube 310 and the adjusting sleeve 330 are positioned and sleeved and relatively rotated; a stopper 334 is provided on the top surface of the adjusting sleeve 330 and directly above the sputum discharge port 331, and a limit block 314 is provided on the outer wall of the sputum collecting tube 310 and directly above the liquid port 312 and above the limiting groove 313, and the limit block 314 is located between a pair of stoppers 334, so that the sputum collecting tube 310 is rotated and positioned in the adjusting sleeve 330, so that the liquid port 312 and the two sputum discharge ports 331 are switched to correspond;

[0052] A sleeve 332 is provided on the outer wall of the adjusting sleeve 330 and outside one of the sputum discharge ports 331 , and the rear end of the sputum tube 210 is sleeved and matched with the sleeve 332 .

[0053] Specifically, the sputum suction group 320 includes a pull rod 321, a piston 322 sleeved on the top of the pull rod 321, a spring 323 sleeved on the outside of the pull rod 321, and a tube cover 324 that is snap-fitted with the bottom port of the sputum collecting tube 310; the piston 322 is made of rubber material to form a frustum structure, and is movably sleeved with the inner wall of the sputum collecting tube 310; the pull rod 321 is pulled down to compress the spring 323, and at the same time the piston 322 is separated from the sputum guide cover 340 to generate negative pressure sputum suction, and when the pull rod 321 is released, the sputum is pushed up and discharged from the catheter 341 of the sputum guide cover 340 under the action of the rebound force of the spring 323.

[0054] Furthermore, the top surface of the sputum collecting tube 310 is connected to a liquid inlet nozzle 311 which is sleeved with the mouth of the liquid storage bottle 350, so that the liquid storage bottle 350 can be inverted and stable; a bottle mouth plug 352 is tightly sleeved in the mouth of the liquid storage bottle 350, and the bottle mouth plug 352 is made of rubber. A crack is opened in the center of the bottle mouth plug 352 and is sleeved with the needle tube 342, so that the needle tube 342 can be inserted into the liquid storage bottle 350 to draw liquid. The bottom center of the liquid storage bottle 350 is opened and a rubber plug 351 is inserted to seal the opening. During use, the rubber plug 351 can be pulled out to inject liquid into the liquid storage bottle 350 from this opening.

[0055] The present invention also provides a pediatric auxiliary sputum suction method, using the above-mentioned pediatric auxiliary sputum suction device, comprising the following steps:

[0056] S1. First, place the liquid storage bottle 350 filled with disinfectant liquid upside down on the top of the sputum collecting tube 310;

[0057] S2, then put the nipple body 100 into the child's mouth for sucking;

[0058] S3, then hold the adjustment sleeve 330 and hook the draw wire 220 with two fingers, and drive the sputum tube 210 forward through the pull ring 230, so that the front end of the sputum tube 210 extends out of the nipple head 110 and reaches the throat;

[0059] S4, the pull rod 321 is pulled down again to generate negative pressure between the piston 322 and the sputum guide cover 340, and the sputum in the throat is sucked into the sputum collecting tube 310 through the catheter 341 and the sputum tube 210, and at the same time, the disinfectant liquid in the liquid storage bottle 350 is sucked through the needle tube 342 to mix and dilute with the sputum, so as to sterilize the sputum and facilitate the flow and discharge after dilution;

[0060] S5, then rotate the sputum collecting tube 310 so that the liquid passage opening 312 overlaps with another sputum discharge opening 331;

[0061] S6, loosen the pull rod 321 to rebound and push the piston 322 upward to discharge the diluted sputum from the conduit 341 out of the sputum collecting tube 310, and rotate the sputum collecting tube 310 to reset;

[0062] S7. Continue to repeat S4-S6 to repeatedly aspirate and discharge sputum.

[0063] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A pediatric auxiliary sputum suction device, characterized in that: The invention comprises a nipple body (100), a sputum suction tube assembly (200) and a sputum discharge portion (300); the nipple body (100) is integrally formed of a nipple head (110) and a lip piece (120); a through hole (121) penetrating the front end of the nipple head (110) is provided at the center of the rear side of the lip piece (120); the sputum suction tube assembly (200) comprises a sputum tube (210) sleeved with the through hole (121) and a drawing wire (220) symmetrically arranged above and below the sputum tube (210); the drawing wire (220) is slidably connected with the rear side of the lip piece (120) to pull the sputum tube (210) out of the nipple head (110); The sputum discharge portion (300) comprises a sputum collecting tube (310) for collecting sputum, a sputum suction group (320) arranged in the lower half of the sputum collecting tube (310), an adjustment sleeve (330) sleeved on the outer side of the upper half of the sputum collecting tube (310), and a sputum guide cover (340) connected to the sputum tube (210) and sleeved on the sputum suction group (320); the adjustment sleeve (330) and the sputum collecting tube (310) are positioned and rotatably sleeved together, two sputum discharge ports (331) are provided at the same height on the side wall of the adjustment sleeve (330), and a sputum discharge port (331) is provided on one side of the upper half of the sputum collecting tube (310) corresponding to the sputum discharge port (331). A liquid passage port (312) is provided on one side of the top of the sputum guiding cover (340), and a catheter (341) is provided which is sleeved with the liquid passage port (312). The top of the sputum guiding cover (340) is provided with a needle tube (342) which passes through the top of the sputum collecting tube (310). A movable column (343) is sleeved inside the bottom of the needle tube (342). A supporting ring (344) for supporting the movable column (343) to move inside and outside the bottom of the needle tube (342) is tightly sleeved inside the top of the sputum guiding cover (340). A liquid storage bottle (350) which is sleeved with the needle tube (342) is provided above the sputum collecting tube (310); The sputum suction group (320) moves downward to generate negative pressure between the sputum guide cover (340), and the sputum in the throat is sucked into the sputum collecting tube (310) through the catheter (341) and the sputum tube (210). At the same time, the disinfectant liquid in the liquid storage bottle (350) is sucked through the syringe (342) to mix and dilute with the sputum. The sputum collecting tube (310) is rotated so that the liquid outlet (312) coincides with another sputum outlet (331), and then the sputum suction group (320) is moved upward to squeeze the diluted sputum out of the catheter (341) and out of the sputum collecting tube (310).

2. The pediatric auxiliary sputum suction device according to claim 1, characterized in that: The front end of the nipple head (110) is in the shape of a large-diameter round head, and the outer side thereof is provided with a plurality of slots (111) in a circular shape and at equal intervals, wherein a reinforcing wire (130) is clamped in the slot (111).

3. The pediatric auxiliary sputum suction device according to claim 2, characterized in that: A fixing ring (122) is provided on the rear side of the lip sticking piece (120) and above and below the perforation (121); one end of the drawing wire (220) passes through the fixing ring (122) and is attached to the sputum tube (210); the other end of the drawing wire (220) is bolted to the front side wall of the adjustment sleeve (330).

4. The pediatric auxiliary sputum suction device according to claim 3, characterized in that: A plurality of annular ribs (211) are arranged at equal intervals on the outer side of the sputum tube (210) close to the lip patch (120), a pull ring (230) is fastened between the front ends of a pair of draw wires (220), and an annular groove (231) is provided on the inner side of the pull ring (230) for engaging with the annular ribs (211).

5. The pediatric auxiliary sputum suction device according to claim 4, characterized in that: One end of the drawing wire (220) close to the adjustment sleeve (330) is separated and bolted to a drawing handle (221), and the drawing handle (221) is in a closed ring structure.

6. The pediatric auxiliary sputum suction device according to claim 5, characterized in that: The outer side of the upper half of the sputum collecting tube (310) is provided with a limiting groove (313) at intervals, the inner walls of the upper and lower ends of the adjusting sleeve (330) are provided with a convex edge (333), the convex edge (333) is engaged with the limiting groove (313) and rotates, a stopper (334) is provided on the top surface of the adjusting sleeve (330) and directly above the sputum discharge port (331), and a limit block (314) is provided on the outer wall of the sputum collecting tube (310) and directly above the liquid outlet (312) and above the limiting groove (313), and the limit block (314) is located between a pair of stoppers (334).

7. The pediatric auxiliary sputum suction device according to claim 6, characterized in that: The sputum suction group (320) comprises a pull rod (321), a piston (322) sleeved on the top of the pull rod (321), a spring (323) sleeved on the outside of the pull rod (321), and a cylinder cover (324) snap-fitted with the bottom port of the sputum collecting cylinder (310); the piston (322) is made of rubber material and has a truncated cone structure, and is movably sleeved with the inner wall of the sputum collecting cylinder (310).

8. The pediatric auxiliary sputum suction device according to claim 7, characterized in that: The top surface of the sputum collecting tube (310) is connected to a liquid inlet nozzle (311) which is sleeved with the mouth of the liquid storage bottle (350); a bottle mouth plug (352) is tightly sleeved in the mouth of the liquid storage bottle (350); a crack is provided at the center of the bottle mouth plug (352) and is sleeved with the needle tube (342); the center of the bottom of the liquid storage bottle (350) is open and a rubber plug (351) is inserted.

9. The pediatric auxiliary sputum suction device according to claim 8, characterized in that: A sleeve (332) is provided on the outer wall of the regulating sleeve (330) and outside one of the sputum discharge ports (331), and the rear end of the sputum tube (210) is sleeved and matched with the sleeve (332).

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