Sputum suction device for breathing machine

Abstract

The invention discloses a sputum suction device for a breathing machine, and belongs to the technical field of breathing machines, the sputum suction device comprises a main body module and a control module, the main body module comprises a sputum aspirator, the sputum aspirator is connected with a sputum suction tube, the outer surface of the sputum suction tube is movably sleeved with a handle, the control module comprises a plurality of rotating assemblies and a plurality of connecting strips, and the rotating assemblies are connected with the connecting strips. Through the arrangement of the rotating assembly, the connecting assembly, the manual control assembly, the pull rope, the positioning assembly and the connecting strip, the flexibility and accuracy of sputum suction operation are greatly improved, the sputum suction pipe can be steered at the designated position according to the situation, the sputum suction pipe can reach the sputum accumulation position more conveniently, the sputum suction efficiency is remarkably improved, and the sputum suction efficiency is improved. The overall stability of the device is enhanced through the positioning assembly, displacement of the sputum suction pipe in the sputum suction process is avoided, and continuity and effectiveness of sputum suction operation are guaranteed. According to the device, a more convenient sputum suction tube control mode is provided for medical staff, and the overall smoothness of sputum suction operation is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ventilators, and more particularly to a sputum suction device for a ventilator. Background Art

[0002] In the medical treatment system, ventilators, as key devices for maintaining the vital signs of patients with respiratory dysfunction, are widely used in clinical settings such as intensive care units and respiratory departments. However, patients who rely on ventilators for long-term breathing assistance experience suppressed respiratory ciliary motility and a weakened cough reflex, which can lead to sputum accumulation in the airways. If not cleared promptly, this can lead to serious complications such as airway obstruction, worsening lung infection, and ventilation and gas exchange dysfunction, directly threatening the patient's life. Therefore, a sputum suction device is required to remove the sputum.

[0003] Regarding the above-mentioned related technologies, although the existing suction device can realize the sputum processing operation when in use, during the suction process, the hose of the suction device needs to be inserted into the patient's throat, and the staff manipulates the hose outside the patient's mouth to perform the suction operation. Due to the material of the hose, it is difficult for medical staff to control the insertion end of the hose due to distance problems outside the patient's mouth, and the adjustment effect of the hose is minimal, which affects the medical staff's suction operation. For this reason, a suction device for a ventilator is proposed. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides a sputum suction device for a ventilator, which adopts the following technical solutions:

[0005] 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole comprises a screw bolt, and the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole comprises a screw bolt, and a nut.

[0006] Furthermore, the rotating assembly includes a set block, and a steering connecting column is rotatably connected between the two sides of the inner wall of the set block, and both ends of the steering connecting column extend to the outside of the set block, and the two ends of the steering connecting column are fixedly connected to two of the connecting strips, and the two ends of the steering connecting column are adapted to the connecting block, and the outer surface of the set block is fixedly connected to one end of the other two connecting strips, and both sides of the inner wall of the steering connecting column are fixedly connected with connecting seats, and the adjacent ends of the two connecting seats are provided with connecting grooves, and the interiors of the two connecting grooves are movably connected with movable cone blocks, and the first spring is fixedly connected between the opposite ends of the two movable cone blocks and the inner walls of the two connecting grooves.

[0007] Furthermore, the rotating assembly also includes two through grooves respectively opened on the outer surfaces of the two connecting seats, the two through grooves are respectively connected to the two connecting grooves, the outer surfaces of the two movable conical blocks are fixedly connected with long strips, one end of the two long strips extends to the outside of the connecting groove, and both sides of the inner wall of the set block are fixedly connected with L-shaped plates, and the two L-shaped plates are fixedly connected with clamping blocks, and the two clamping blocks are respectively movably connected to the two long strips.

[0008] Furthermore, the connecting component includes an inner hollow bar movably connected to the inside of the clamping groove, the inner hollow bar passes through multiple rotating components, one end of the inner hollow bar is fixedly connected to the inner hollow column, and a rotating column is rotatably connected between the two sides of the inner wall of the inner hollow column. Both ends of the rotating column extend to the outside of the inner hollow column, and both ends of the rotating column are fixedly connected to a rotating slide. The two rotating slides are respectively adapted to the two connecting grooves, and the outer surface of the rotating column and the two sides of the inner wall of the inner hollow column are fixedly connected with a torsion spring. The outer surface of the rotating column is fixedly connected to a winding roller, and the pull rope is wrapped around the outer surface of the winding roller. The two ends of the pull rope are respectively fixedly connected to the outer surface of the winding roller and one end of the inner wall of the inner hollow bar.

[0009] Furthermore, the connection assembly also includes two limit seats fixedly connected to the bottom of the inner wall of the clamping groove, the two limit seats are both located inside the inner empty bar, and two first limit rollers are rotatably connected between the two sides of the inner wall of the inner empty bar. The pull rope passes through the two limit seats, and the pull rope is located between the two first limit rollers. The other end of the inner empty bar is fixedly connected to a toggle rod, and the top end of the toggle rod extends to the outside of the clamping groove.

[0010] Furthermore, the hand control assembly includes a lifting slide slidingly connected between the two sides of the inner wall of the clamping groove, the bottom end of the lifting slide is located inside the inner empty bar, and an installation groove is provided at the bottom end of the lifting slide. Two second limiting rollers are rotatably connected inside the installation groove, and the pull rope is located between the two second limiting rollers. Two second springs are fixedly connected between the lifting slide and the inside of the handle.

[0011] Furthermore, the hand control assembly also includes a mounting screw threadedly connected to the top of the lifting slide, and a finger ring is fixedly connected to the top of the mounting screw.

[0012] Furthermore, the positioning assembly includes a positioning rod movably connected to the top of the handle, a third spring is fixedly connected between the top of the positioning rod and the top of the handle, a plurality of grooves are opened on the top of the inner empty strip, and the bottom end of the positioning rod is movably connected to the inside of one of the grooves.

[0013] Furthermore, the control module further includes a plurality of schematic grooves, and the plurality of schematic grooves are all opened on the top of the handle, and the spacing between the plurality of schematic grooves is the same as the spacing between the plurality of rotating components.

[0014] Furthermore, an arc-shaped groove is provided at the bottom of the set block, and the arc-shaped groove is adapted to the surface of the sputum suction tube.

[0015] In summary, the present invention has the following beneficial technical effects:

[0016] (1) The present invention greatly improves the flexibility and accuracy of the suction operation by setting up a rotating component, a connecting component, a manual control component, a pull rope, a positioning component and a connecting strip. The connecting component and the manual control component cooperate with each other to allow the suction tube to turn at a specified position according to the situation, so that the suction tube can more easily reach the area where sputum accumulates, significantly improving the suction efficiency. The positioning component enhances the overall stability of the device, avoids the displacement of the suction tube during the suction process, and ensures the continuity and effectiveness of the suction operation. This device provides medical staff with a more convenient way to control the suction tube, further improving the overall smoothness of the suction operation.

[0017] (2) The present invention provides a schematic groove, a groove, a positioning rod and a third spring. The schematic groove corresponds to the adjustment node of the suction tube one by one. By observing the position of the toggle rod, medical staff can intuitively judge the node number currently being adjusted to avoid misoperation. The positioning rod automatically snaps into the groove under the action of the third spring, providing tactile and auditory feedback "click" sound to confirm that the node is locked in place, thereby ensuring the accuracy of the adjustment.

[0018] (3) The present invention is provided with a finger ring, a lifting slide, a second limiting roller, a mounting screw and a second spring. The finger ring is fixed by a threaded mounting screw. Finger rings of different sizes can be quickly replaced according to the thickness of the medical staff's fingers, thereby improving the overall applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 Schematic diagram of the cross-sectional structure of the control module of the present invention;

[0021] Figure 3 Schematic diagram of the structure of the control module of the present invention;

[0022] Figure 4 It is a schematic cross-sectional structural diagram of the rotating assembly of the present invention;

[0023] Figure 5 Schematic diagram of the cross-sectional structure of the connection assembly of the present invention;

[0024] Figure 6 It is a schematic diagram of the position of the connecting block of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the control component and the positioning component of the present invention;

[0026] Figure 8 Schematic diagram of the cross-sectional structure of the control assembly of the present invention;

[0027] Figure 9 For the present invention Figure 1 Enlarged structural diagram at point A in the middle.

[0028] Description of the numbers in the figure:

[0029] 100, main module; 110, suction pump; 120, suction tube; 130, handle; 140, silicone sleeve;

[0030] 200, control module; 210, rotating assembly; 211, set block; 212, steering connecting column; 213, connecting seat; 214, connecting groove; 215, movable cone block; 216, first spring; 217, L-shaped plate; 218, clamping block; 219, long strip; 220, connecting block; 230, connecting assembly; 231, inner hollow strip; 232, inner hollow column; 233, rotating column; 234, winding roller; 235, torsion spring; 236. Rotating slide; 237. Limit seat; 238. First limit roller; 239. Toggle lever; 240. Manual control assembly; 241. Lifting slide; 242. Second limit roller; 243. Second spring; 244. Mounting screw; 245. Finger ring; 250. Pull rope; 260. Positioning assembly; 261. Bevel; 262. Positioning rod; 263. Third spring; 270. Schematic groove; 280. Clamping groove; 290. Connecting strip. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention in specific circumstances.

[0034] The following is combined with Figure 1 - Figure 9 The present invention is described in further detail.

[0035] See also Figure 1 - Figure 9 A sputum suction device for a ventilator includes a main body module 100 and a control module 200. The main body module 100 includes a sputum suction device 110, which is connected to a sputum suction tube 120. The outer surface of the sputum suction tube 120 is movably sleeved with a handle 130. The control module 200 includes a plurality of rotating components 210 and a plurality of connecting strips 290. The plurality of rotating components 210 are connected to each other through two of the connecting strips 290. One of the rotating components 210 is connected to a connecting block 220, which is connected to the outer surface of the sputum suction tube 120. A clamping groove 280 is opened inside the handle 130, wherein another rotating component 210 is connected to the outer surface of the sputum suction tube 120. 0 is fixedly connected to the handle 130, a connecting component 230 is provided between the multiple rotating components 210 and the clamping groove 280, the connecting component 230 extends to the outside of the clamping groove 280, and a pull rope 250 is directly provided inside the connecting component 230. A manual control component 240 and a positioning component 260 are provided on the handle 130, the positioning component 260 is connected to the top of the connecting component 230, and the manual control component 240 is connected to the pull rope 250. The main body module 100 also includes a silicone sleeve 140 connected between the suction tube 120 and the handle 130, and the suction tube 120, the connecting block 220 and the multiple rotating components 210 are all located inside the silicone sleeve 140.

[0036] When in use, the staff inserts one end of the suction tube 120 into the patient's throat. At this time, multiple rotating components 210 will be located inside the patient's mouth. The suction device 110 can be opened to perform the suction operation. When adjusting, the medical staff can pull the connecting component 230 as needed. The connecting component 230 can enter the interior of the designated rotating component 210. When the connecting component 230 enters the designated rotating component 210, it will be automatically unlocked. The staff then uses their thumb to operate the hand control component 240. The hand control component 240 will pull the pull rope 250, and the pull rope 250 will pull the connecting component 230. The connecting component 230 The rotating component 210 is driven to turn, so that the corresponding rotating component 210 drives the suction tube 120 to rotate, and the part of the suction tube 120 inserted into the throat is adjusted. When readjustment is needed, the staff operates the manual component 240 to restore the multiple rotating components 210 to a straight state, and then pulls the connecting component 230 into another rotating component 210. Repeating the above steps can make the other rotating component 210 rotate, so that the suction tube 120 can be adjusted in another way, making it easier for medical staff to operate and adjust the suction tube 120, and the overall suction operation is more convenient.

[0037] The rotating assembly 210 includes a set block 211, and a steering connecting column 212 is rotatably connected between the two sides of the inner wall of the set block 211. Both ends of the steering connecting column 212 extend to the outside of the set block 211. The two ends of the steering connecting column 212 are fixedly connected to two of the connecting strips 290, and the two ends of the steering connecting column 212 are adapted to the connecting block 220. The outer surface of the set block 211 is fixedly connected to one end of the other two connecting strips 290. Both sides of the inner wall of the steering connecting column 212 are fixedly connected to the connecting seat 213. The adjacent ends of the two connecting seats 213 are each provided with a connecting groove 214. The interior of the two connecting grooves 214 is movably connected to a movable cone block 215. The opposite ends of the two movable cone blocks 215 are connected to the two connecting grooves 214. The inner walls are fixedly connected with a first spring 216, the rotating assembly 210 also includes two through grooves respectively opened on the outer surfaces of the two connecting seats 213, the two through grooves are respectively connected to the two connecting grooves 214, the outer surfaces of the two movable cone blocks 215 are fixedly connected with a long strip 219, one end of the two long strips 219 extends to the outside of the connecting groove 214, both sides of the inner wall of the set block 211 are fixedly connected with an L-shaped plate 217, the two L-shaped plates 217 are fixedly connected with a clamping block 218, and the two clamping blocks 218 are movably connected to the two long strips 219, respectively, and the connecting assembly 230 includes an inner empty strip 231 movably connected to the inside of the clamping groove 280, the inner empty strip 231 passes through multiple rotating assemblies 210, and one end of the inner empty strip 231 is fixedly connected to the inner The hollow column 232 and the inner wall of the inner hollow column 232 are rotatably connected with a rotating column 233 on both sides. Both ends of the rotating column 233 extend to the outside of the inner hollow column 232. Both ends of the rotating column 233 are fixedly connected with a rotating slide 236. The two rotating slides 236 are respectively adapted to the two connecting grooves 214. The outer surface of the rotating column 233 and the two sides of the inner wall of the inner hollow column 232 are fixedly connected with a torsion spring 235. The outer surface of the rotating column 233 is fixedly connected with a winding roller 234. The pull rope 250 is wound around the outer surface of the winding roller 234. The two ends of the pull rope 250 are respectively fixedly connected to the outer surface of the winding roller 234 and one end of the inner wall of the inner hollow bar 231. The connecting assembly 230 also includes two limit seats that are fixedly connected to the bottom of the inner wall of the clamping groove 280. 237, the two limit seats 237 are both located inside the inner empty bar 231, and two first limit rollers 238 are rotatably connected between the two sides of the inner wall of the inner empty bar 231. The pull rope 250 runs through the two limit seats 237, and the pull rope 250 is located between the two first limit rollers 238. The other end of the inner empty bar 231 is fixedly connected to a toggle rod 239, and the top of the toggle rod 239 extends to the outside of the clamping groove 280. The hand control assembly 240 includes a lifting slide 241 slidably connected between the two sides of the inner wall of the clamping groove 280. The bottom end of the lifting slide 241 is located inside the inner empty bar 231, and a mounting groove is opened at the bottom end of the lifting slide 241. The interior of the mounting groove is rotatably connected to two second limit rollers 242, and the pull rope 250 is located between the two second limit rollers 242.Two second springs 243 are fixedly connected between the lifting slide 241 and the interior of the handle 130.

[0038] Pull the toggle lever 239, the toggle lever 239 will drive the inner hollow bar 231 to move, the inner hollow bar 231 will drive the inner hollow column 232 to move, and the rotating slide 236 will be driven to the inside of the designated connecting groove 214. The rotating slide 236 will push the movable cone block 215, and the movable cone block 215 will drive the long strip 219 and the block 218 to separate from the L-shaped plate 217, thereby unlocking the steering connecting column 212. The subsequent staff will use their thumb to pass through the finger ring 245 and lift the finger ring 245 upwards. The finger ring 245 will pull the lifting slide 241. When the lifting slide 241 is lifted upward, the second limiting roller 242 will pull the pull rope 250. When the pull rope 250 is pulled, the winding roller 234 will be driven to rotate. The rotation of the winding roller 234 will drive the rotating column 233 to rotate, so that the torsion spring 235 is tightened. At the same time, the two rotating slides 236 rotate. The two rotating slides 236 will drive the steering connecting column 212 to rotate. The steering connecting column 212 drives the connecting bar 290 to rotate, thereby driving the suction tube 120 to perform a steering operation, and then the part of the suction tube 120 inserted into the throat is adjusted.

[0039] The hand control assembly 240 further includes a mounting screw 244 threadedly connected to the top of the lifting slide 241 , and a finger ring 245 is fixedly connected to the top of the mounting screw 244 .

[0040] The finger ring 245 is installed by installing the screw rod 244 , so that the finger ring 245 is easy to disassemble and replace, thereby facilitating operation by thumbs of different thicknesses, thereby improving overall applicability.

[0041] The positioning assembly 260 includes a positioning rod 262 movably connected to the top of the handle 130, and a third spring 263 is fixedly connected between the top of the positioning rod 262 and the top of the handle 130. A plurality of grooves 261 are provided at the top of the inner space bar 231, and the bottom end of the positioning rod 262 is movably connected to the inside of one of the grooves 261. The control module 200 also includes a plurality of schematic grooves 270, and the plurality of schematic grooves 270 are all provided at the top of the handle 130. The spacing between the plurality of schematic grooves 270 is the same as the spacing between the plurality of rotating assemblies 210.

[0042] When the medical staff moves the inner empty bar 231, the bottom end of the positioning rod 262 will move out of one of the grooves 261 and enter the inside of another groove 261. Each time the rotating slide 236 is adjusted to enter another connecting groove 214, the positioning rod 262 will enter the designated groove 261 at the same time, so that the inner empty bar 231 will be more stable when the second limiting roller 242 pulls the pull rope 250, and when the toggle rod 239 is pulled, the position of the groove 261 can be known through the indicator groove 270, so that the positioning rod 262 can be easily inserted into the inside of the groove 261, which is convenient for the staff to operate.

[0043] An arc-shaped groove is formed at the bottom of the set block 211 , and the arc-shaped groove is adapted to the outer surface of the sputum suction tube 120 .

[0044] When the suction tube 120 turns, the suction tube 120 can move inside the handle 130 and at the bottom of the sleeve block 211. Through the setting of the arc groove, the sleeve block 211 can adapt to the outer surface of the suction tube 120, facilitating the movement of the suction tube 120.

[0045] The implementation principle of the embodiment of the present invention is as follows: when in use, the staff inserts one end of the suction tube 120 into the patient's throat. At this time, the multiple rotating components 210 will be located inside the patient's mouth. The suction device 110 can be opened to perform the suction operation. When adjusting, the medical staff can pull the toggle lever 239 as needed. The toggle lever 239 will drive the inner hollow bar 231 to move, and the inner hollow bar 231 will drive the inner hollow column 232 to move, and the rotating slide plate 236 will be driven to the inside of the designated connecting groove 214. The bottom end of the positioning rod 262 will move out of one of the grooves 261 and enter the inside of another groove 261. The rotating slide plate 236 will push the movable cone block 215, and the movable cone block 215 will drive the long strip 219 and the block 218 to separate from the L-shaped plate 217, thereby unlocking the steering connecting column 212. The subsequent staff will use their thumb to pass through the finger ring 245 and lift the finger ring 245 upward. The finger ring 245 will pull the lifting slide 241. When the lifting slide 241 is lifted upward, the second limiting roller 242 will pull the pull rope 250. When the pull rope 250 is pulled, it will drive the winding roller 234 to rotate. The rotation of the winding roller 234 drives the rotating column 233 to rotate, so that the torsion spring 235 is tightened, and at the same time the two rotating slides 236 are rotated. The two rotating slides 236 will drive the steering connecting column 212 to rotate, and the steering connecting column 212 drives the connecting bar 290 to rotate, thereby driving the suction tube 120 to perform a steering operation, thereby adjusting the part of the suction tube 120 inserted into the throat. When readjustment is required, the staff releases the finger ring 245, and the second spring 243 will drive the second limiting roller 242 to reset. The two torsion springs 235 drive the rotating slide 236 to reset, and the multiple rotating components 210 return to a straight state. Then, by pulling the toggle rod 239, the rotating slide 236 enters the other two connecting grooves 214, and repeats the above steps. Another rotating component 210 can be rotated, so that the suction tube 120 can be adjusted in another form, making it easier for medical staff to control and adjust the suction tube 120, and the overall suction operation is more convenient. Each time the rotating slide 236 is adjusted to enter another connecting groove 214, the positioning rod 262 enters the designated groove 261 at the same time, so that the inner empty strip 231 is more stable when the second limiting roller 242 pulls the pull rope 250, and when the toggle rod 239 is pulled, the position of the groove 261 can be known through the indicator groove 270, so that the positioning rod 262 can be easily inserted into the inside of the groove 261, which is convenient for the staff to operate.

[0046] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sputum suction device for a ventilator, comprising a main module (100) and a control module (200), characterized in that: The main body module (100) comprises a sputum suction device (110), a sputum suction tube (120) being connected to the sputum suction device (110), and a handle (130) being movably sleeved on the outer surface of the sputum suction tube (120); The control module (200) includes a plurality of rotating components (210) and a plurality of connecting bars (290), wherein the plurality of rotating components (210) are connected to each other through two of the connecting bars (290), wherein a connecting block (220) is connected to one of the rotating components (210), wherein the connecting block (220) is connected to the outer surface of the suction tube (120), wherein a clamping groove (280) is provided inside the handle (130), wherein another rotating component (210) is fixedly connected to the handle (130), and a connecting component (230) is provided between the plurality of rotating components (210) and the clamping groove (280), wherein the connecting component The connecting component (230) extends to the outside of the clamping groove (280), a pull rope (250) is directly provided inside the connecting component (230), a manual control component (240) and a positioning component (260) are provided on the handle (130), the positioning component (260) is connected to the top of the connecting component (230), and the manual control component (240) is connected to the pull rope (250), and the main body module (100) further includes a silicone sleeve (140) connected between the suction tube (120) and the handle (130), and the suction tube (120), the connecting block (220) and the plurality of rotating components (210) are all located inside the silicone sleeve (140).

2. A sputum suction device for a ventilator according to claim 1, characterized in that: The rotating assembly (210) includes a sleeve block (211), a steering connecting column (212) is rotatably connected between the two sides of the inner wall of the sleeve block (211), both ends of the steering connecting column (212) extend to the outside of the sleeve block (211), both ends of the steering connecting column (212) are fixedly connected to two of the connecting bars (290), and both ends of the steering connecting column (212) are adapted to the connecting block (220), the outer surface of the sleeve block (211) is fixedly connected to one end of the other two connecting bars (290), both sides of the inner wall of the steering connecting column (212) are fixedly connected to connecting seats (213), adjacent ends of the two connecting seats (213) are provided with connecting grooves (214), the interiors of the two connecting grooves (214) are movably connected to movable cone blocks (215), and the opposite ends of the two movable cone blocks (215) are fixedly connected to the inner walls of the two connecting grooves (214) with first springs (216).

3. A sputum suction device for a ventilator according to claim 2, characterized in that: The rotating assembly (210) further comprises two through grooves respectively provided on the outer surfaces of the two connecting seats (213), the two through grooves respectively communicating with the two connecting grooves (214), the outer surfaces of the two movable cone blocks (215) are fixedly connected with a long strip (219), one end of each of the two long strips (219) extends to the outside of the connecting groove (214), both sides of the inner wall of the set block (211) are fixedly connected with an L-shaped plate (217), the two L-shaped plates (217) are fixedly connected with a clamping block (218), and the two clamping blocks (218) are respectively movably connected with the two long strips (219).

4. A sputum suction device for a ventilator according to claim 3, characterized in that: The connecting assembly (230) includes an inner hollow bar (231) movably connected to the inside of the clamping groove (280), the inner hollow bar (231) passes through multiple rotating assemblies (210), one end of the inner hollow bar (231) is fixedly connected to an inner hollow column (232), and a rotating column (233) is rotatably connected between the two sides of the inner wall of the inner hollow column (232), both ends of the rotating column (233) extend to the outside of the inner hollow column (232), and both ends of the rotating column (233) are fixedly connected to a rotating slide (236). ), the two rotating slides (236) are respectively adapted to the two connecting grooves (214), the outer surface of the rotating column (233) and both sides of the inner wall of the inner hollow column (232) are fixedly connected with a torsion spring (235), the outer surface of the rotating column (233) is fixedly connected with a winding roller (234), the pull rope (250) is wound around the outer surface of the winding roller (234), and the two ends of the pull rope (250) are respectively fixedly connected to the outer surface of the winding roller (234) and one end of the inner wall of the inner hollow bar (231).

5. A sputum suction device for a ventilator according to claim 4, characterized in that: The connection assembly (230) further includes two limiting seats (237) both fixedly connected to the bottom of the inner wall of the clamping groove (280), the two limiting seats (237) are both located inside the inner empty bar (231), two first limiting rollers (238) are rotatably connected between the two sides of the inner wall of the inner empty bar (231), the pull rope (250) passes through the two limiting seats (237), the pull rope (250) is located between the two first limiting rollers (238), the other end of the inner empty bar (231) is fixedly connected to a toggle rod (239), the top end of the toggle rod (239) extends to the outside of the clamping groove (280).

6. The sputum suction device for a ventilator according to claim 5, characterized in that: The hand control assembly (240) includes a lifting slide (241) slidably connected between the two sides of the inner wall of the clamping groove (280), the bottom end of the lifting slide (241) is located inside the inner empty strip (231), and a mounting groove is provided at the bottom end of the lifting slide (241). Two second limiting rollers (242) are rotatably connected inside the mounting groove, and the pull rope (250) is located between the two second limiting rollers (242). Two second springs (243) are fixedly connected between the lifting slide (241) and the inside of the handle (130).

7. The sputum suction device for a ventilator according to claim 6, characterized in that: The hand control assembly (240) further comprises a mounting screw (244) threadedly connected to the top of the lifting slide (241), and a finger ring (245) is fixedly connected to the top of the mounting screw (244).

8. The sputum suction device for a ventilator according to claim 7, characterized in that: The positioning assembly (260) includes a positioning rod (262) movably connected to the top of the handle (130), a third spring (263) is fixedly connected between the top of the positioning rod (262) and the top of the handle (130), a plurality of grooves (261) are formed on the top of the inner space bar (231), and the bottom end of the positioning rod (262) is movably connected to the inside of one of the grooves (261).

9. The sputum suction device for a ventilator according to claim 8, characterized in that: The control module (200) further comprises a plurality of schematic slots (270), wherein the plurality of schematic slots (270) are all opened on the top of the handle (130), and the spacing between the plurality of schematic slots (270) is the same as the spacing between the plurality of rotating components (210).

10. The sputum suction device for a ventilator according to claim 9, characterized in that: The bottom of the set block (211) is provided with an arc-shaped groove, and the arc-shaped groove is adapted to the surface of the sputum suction tube (120).

Images