Sputum suction device for trachea cannula

Abstract

The invention relates to the technical field of clinical sputum suction, and discloses a sputum suction device for tracheal intubation, which comprises a sputum aspirator, a rotating ring and rotating teeth are designed, so that the top of a collecting bottle can be closed when sputum remained in the collecting bottle is cleaned and replaced, the sputum in the collecting bottle can be effectively prevented from being exposed in the air, and the sputum in the collecting bottle is prevented from being damaged. The problems that in the prior art, due to the fact that the sputum in the patient is sucked, bacteria in the sputum escape in the air, the surrounding environment is affected, and patients in the same ward are affected are solved, rotating teeth arranged on the inner side of a rotating ring can be meshed with fixed teeth arranged on the outer side of a rotating cylinder, the rotating ring is rotated, a closing plate rotates with the rotating cylinder as the base point, and the purpose of opening the closing plate is achieved; the sputum collecting bottle is simple in structure, meanwhile, sputum in the collecting bottle is effectively prevented from being exposed in the air, and the probability of cross infection caused by bacteria and pathogens in the sputum in the form of aerosol is effectively reduced.

Description

Technical Field

[0001] The invention relates to the technical field of clinical sputum suction, in particular to a sputum suction device for endotracheal intubation. Background Art

[0002] In the field of clinical sputum suction technology, a sputum suction device for endotracheal intubation is a key device used to help patients clear respiratory secretions. Existing sputum suction devices usually include a sputum suction device and a collection bottle for collecting and storing the sucked sputum;

[0003] However, there are some problems in the use of existing sputum suction devices. When the sputum in the collection bottle needs to be cleaned or replaced, the existing sputum suction devices often do not have an effective mechanism to prevent the sputum from being exposed to the air during operation. In this case, the sputum in the collection bottle may overflow or splash, causing the bacteria and viruses in the sputum to escape into the air. Sputum contains a large number of bacteria and viruses. Once exposed, these pathogens may spread into the surrounding environment in the form of aerosols, increasing the risk of cross-infection in the hospital. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a sputum suction device for endotracheal intubation. The present invention, through the designed swivel and rotating teeth, can close the top of the collecting bottle when cleaning and replacing the sputum retained in the collecting bottle, thereby effectively preventing the sputum in the collecting bottle from being exposed to the air, causing the bacteria in the sputum to escape into the air, affecting the surrounding environment, and causing an impact on patients in the same ward. The rotating teeth arranged on the inner side of the swivel can mesh with the fixed teeth on the outer side of the rotating drum. By rotating the swivel, the closing plate can rotate with the rotating drum as a base point, thereby achieving the purpose of opening the closing plate. The structure is simple and the sputum in the collecting bottle can be effectively prevented from being exposed to the air, thereby effectively reducing the probability of cross-infection due to bacteria and pathogens in the sputum in the form of aerosols.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a sputum suction device for endotracheal intubation, comprising a sputum suction device, the left end surface of the sputum suction device is fixedly connected to a suction pipe, the left end surface of the suction pipe is provided with a sputum suction pipe, the bottom of the suction pipe is fixedly connected to a connecting pipe, and the outer side of the bottom of the connecting pipe is rotatably connected to a collar;

[0008] A threaded ring is spirally connected to the inner side of the collar, and a top cover is fixedly connected to the bottom of the threaded ring. The bottom of the top cover is fixedly connected to a fixed shaft, and the end of the fixed shaft away from the top cover is fixedly connected to the bottom cover. The outer side of the fixed shaft is rotatably connected to a rotating drum, and the outer side of the rotating drum is fixedly connected with fixed teeth, and the inner side of the rotating drum is fixedly connected with a connecting piece, and the end of the connecting piece away from the rotating drum is fixedly connected with a closing plate, the bottom edge of the top cover and the top edge of the bottom cover are both rotatably connected to a swivel, and sliding grooves are provided on the edges of the top and bottom of the swivel, and the inner wall of the swivel is fixedly connected with rotating teeth, and a collecting bottle is provided at the bottom of the bottom cover.

[0009] Preferably, the bottom of the collar contacts the top of the top cover, the top of the drum contacts the bottom of the top cover, the bottom of the drum contacts the top of the bottom cover, and the inner side of the rotating teeth and the outer side of the fixed teeth engage with each other, so that the sputum remaining in the collection bottle can be closed when the sputum is cleaned and replaced, which can effectively prevent the sputum in the collection bottle from being exposed to the air, causing the bacteria in the sputum to escape into the air, affecting the surrounding environment, and causing an impact on patients in the same ward.

[0010] Preferably, the number of the fixed shafts is four groups, and the fixed shafts are evenly distributed at the four corners between the top cover and the bottom cover, the cross-sectional shape of the closing plate is a quarter circle, and the number of closing plates matches the number of fixed shafts, so that the top cover and the bottom cover can be connected without affecting the rotation of the swivel between the top cover and the bottom cover.

[0011] Preferably, both the top cover and the bottom cover are provided with a through hole extending from top to bottom, and the cross-sectional diameter of the through hole matches the diameter of the circular cross-sectional diameter formed after the closing plate is combined, so that the sputum extracted by the suction device through the suction tube can pass through the through hole directly into the collection bottle.

[0012] Preferably, a rubber layer is provided at the positions where the four groups of closing plates between the top cover and the bottom cover contact each other, and the thickness of the rubber layer is uniformly 0.2 mm. A groove is provided on the inner side of the closing plate, and the height of the groove on the inner side of the closing plate is consistent with the height of the rotating ring, which improves the sealing performance of the four closing plates after closing to a certain extent and prevents the sputum in the collection bottle from being exposed to the air.

[0013] Preferably, the width of the slide grooves at the upper and lower ends of the rotating ring matches the wall thickness of the top cover and the bottom cover, and the fixed teeth are located at the inner side between the top cover and the bottom cover. The maximum angle of rotation of the rotating drum when the rotating teeth drive the fixed teeth is 35°. By rotating the rotating ring, the closing plate is rotated with the rotating drum as the base point to achieve the purpose of opening the closing plate. The structure is simple and effectively avoids the exposure of sputum in the collection bottle to the air, effectively reducing the probability of cross-infection due to bacteria and pathogens in the sputum in the form of aerosols.

[0014] Preferably, a hollow bin is fixedly connected to the top of the suction pipe, and guide grooves are provided at the front and rear ends of the top right side of the inner wall of the hollow bin, and a slider is slidably connected to the front and rear ends of the top right side of the hollow bin interior, the inner end face of the slider is fixedly connected to a sliding plate, the left end face of the sliding plate is fixedly connected to the top plate, and the left end face of the top plate is fixedly connected to a pull ring, a first hole is provided at the lower left side of the hollow bin interior, a second hole is provided in the middle of the sliding plate, a micro-blower is fixedly connected to the middle of the upper part of the hollow bin interior, and the lower left side of the hollow bin interior is slidably connected to the outer side of the sliding plate. When the sputum suction device extracts sputum in the patient's trachea through the sputum suction tube and becomes blocked, the operator can choose to remove the sputum suction tube from the patient's trachea, allowing the micro-blower to continue to apply wind pressure to the sputum suction tube, and the sputum blocked in the sputum suction tube is sprayed out from the sputum suction tube under the pressure of the wind pressure, thereby improving the efficiency of treating sputum blockage in the sputum suction tube to a certain extent.

[0015] Preferably, the air inlet end of the micro fan above the inside of the hollow bin is at the top, and the air outlet end of the micro fan is at the bottom, an air duct is connected between the top of the exhaust pipe and the bottom of the hollow bin, and the air duct is interconnected with the first hole on the left side at the bottom of the hollow bin and is in a vertical state, so that the micro fan blows downward and the wind pressure can clear the suction tube.

[0016] Preferably, the diameter of the second hole in the middle of the sliding plate matches the diameter of the first hole on the lower left side of the hollow bin, the sliding block slides left and right in the guide grooves opened at the front and rear ends of the top right side of the inner wall of the hollow bin, and the length of the guide groove matches the diameter of the cross-section of the first hole, the material below the left end surface of the hollow bin is a metal that can be magnetically attracted by a magnet, and a magnetic sheet is provided at one end of the top plate near the lower left end surface of the hollow bin, which can effectively avoid mixing the sputum suction device and the micro-blower, causing the negative pressure generated by the sputum suction device to be discharged through the air inlet of the micro-blower itself, affecting the suction force of the sputum suction tube to extract sputum.

[0017] Compared with the prior art, the present invention provides a sputum suction device for endotracheal intubation, which has the following beneficial effects:

[0018] 1. Compared with the prior art, the present invention, through the designed rotating ring and rotating teeth, can close the top of the collecting bottle when cleaning and replacing the sputum retained in the collecting bottle, which can effectively prevent the sputum in the collecting bottle from being exposed to the air, causing the bacteria in the sputum to escape into the air, affecting the surrounding environment, and affecting the patients in the same ward. The rotating teeth arranged on the inner side of the rotating ring can mesh with the fixed teeth on the outer side of the rotating drum. By rotating the rotating ring, the closing plate can rotate with the rotating drum as the base point to achieve the purpose of opening the closing plate. The structure is simple and effectively prevents the sputum in the collecting bottle from being exposed to the air, effectively reducing the probability of cross infection due to bacteria and pathogens in the sputum in the form of aerosols.

[0019] 2. Compared with the prior art, the present invention adopts the designed hollow chamber and micro-blower. The hollow chamber is arranged on the top of the suction pipe. When the sputum suction device extracts sputum in the patient's trachea through the sputum suction pipe and becomes blocked, the operator can choose to remove the sputum suction pipe from the patient's trachea, and let the micro-blower continue to apply wind pressure to the sputum suction pipe. The sputum blocked in the sputum suction pipe is ejected from the sputum suction pipe under the pressure of the wind pressure, which improves the efficiency of treating the sputum blocked in the sputum suction pipe to a certain extent. At the same time, a sliding plate that can be pulled is arranged in the hollow chamber, and a second hole is arranged on the right side of the inner part of the sliding plate, which is aligned with the right side of the bottom of the hollow chamber. The first hole on the side is parallel, and the sliding plate is pulled outward, and the second hole inside the sliding plate will overlap with the first hole inside the hollow bin. At this time, the wind pressure generated by the micro-fan will pass through the second hole and the first hole into the sputum suction tube, but the sputum suction device cannot be used at this time. The sliding plate is pushed to the left, and the second hole is staggered with the first hole. The hollow bin and the exhaust pipe are isolated. At this time, the sputum suction device can be used normally, but the micro-fan cannot be used, which can effectively avoid the mixing of the sputum suction device and the micro-fan, causing the negative pressure generated by the sputum suction device to be discharged through the air inlet of the micro-fan itself, affecting the suction force of the sputum suction tube to extract sputum. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the explosion structure of the top cover and the bottom cover of the present invention;

[0022] Figure 3 This is a schematic diagram of the closed plate opening structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the closing plate of the present invention being rotated 90° laterally as a whole;

[0024] Figure 5 This is a schematic diagram of the structure of the hollow chamber in the present invention being rotated 180° horizontally as a whole;

[0025] Figure 6 It is a cross-section diagram of the hollow chamber and the exploded structure in the present invention.

[0026] Wherein: 1. suction device; 101. suction tube; 102. suction tube; 103. connecting tube; 104. sleeve; 2. top cover; 201. rotating ring; 202. collecting bottle; 203. threaded ring; 204. slide groove; 205. rotating drum; 206. bottom cover; 207. fixed teeth; 208. connecting piece; 209. closing plate; 210. rotating teeth; 211. fixed shaft; 3. hollow chamber; 301. micro fan; 302. top plate; 303. pull ring; 304. sliding plate; 305. slider; 306. guide groove; 307. first hole; 308. second hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] See also Figure 1-Figure 4 As shown;

[0030] A sputum suction device for endotracheal intubation comprises a sputum suction device 1, a suction tube 101 is arranged on the left end face of the sputum suction device 1, a sputum suction tube 102 is arranged on the left end face of the suction tube 101, a connecting tube 103 is arranged on the bottom of the suction tube 101, and the outer side of the bottom of the connecting tube 103 is covered by a collar 104 and rotates;

[0031] The inner side of the collar 104 is sleeved on the outer side of the threaded ring 203 and rotates spirally. The top cover 2 is welded to the bottom of the threaded ring 203. The fixed shaft 211 is welded to the bottom of the top cover 2. The end of the fixed shaft 211 away from the top cover 2 is welded to the bottom cover 206. The outer side of the fixed shaft 211 is sleeved by the rotating cylinder 205 and rotates. The outer side of the rotating cylinder 205 is provided with a fixed tooth 207. The inner side of the rotating cylinder 205 is welded with a connecting piece 208. The end of the connecting piece 208 away from the rotating cylinder 205 is welded with a closing plate 209. The bottom edge of the top cover 2 and the top edge of the bottom cover 206 both clamp the upper and lower ends of the rotating ring 201 and rotate. The edges of the top and bottom of the rotating ring 201 are both provided with a slide groove 204. The inner wall of the rotating ring 201 is provided with a rotating tooth 210. A collecting bottle 202 is arranged at the bottom of the bottom cover 206.

[0032] The bottom of the collar 104 contacts the top of the top cover 2 , the top of the drum 205 contacts the bottom of the top cover 2 , the bottom of the drum 205 contacts the top of the bottom cover 206 , and the inner side of the rotating teeth 210 and the outer side of the fixed teeth 207 mesh with each other.

[0033] In the present embodiment, the sputum remaining in the collection bottle 202 can be cleaned and replaced by closing the top of the collection bottle 202, which can effectively prevent the sputum in the collection bottle 202 from being exposed to the air, causing the bacteria in the sputum to escape into the air, affecting the surrounding environment, and causing an impact on patients in the same ward.

[0034] In an optional embodiment: the number of fixed shafts 211 is four groups, and the fixed shafts 211 are evenly distributed at the four corners between the top cover 2 and the bottom cover 206, the cross-sectional shape of the closing plate 209 is a quarter circle, and the number of closing plates 209 matches the number of fixed shafts 211.

[0035] In this embodiment, the top cover 2 and the bottom cover 206 can be connected without affecting the rotation of the rotating ring 201 between the top cover 2 and the bottom cover 206 .

[0036] In an optional embodiment: both the top cover 2 and the bottom cover 206 are provided with through holes penetrating from top to bottom, and the cross-sectional diameter of the through holes matches the diameter of the circular cross-sectional diameter formed after the closing plate 209 is combined.

[0037] In this embodiment, the sputum extracted by the sputum suction device 1 through the sputum suction tube 102 can be directly transferred to the collection bottle 202 through the through hole.

[0038] In an optional embodiment: a rubber layer is provided at the position where the four groups of closing plates 209 between the top cover 2 and the bottom cover 206 contact each other, and the thickness of the rubber layer is uniformly 0.2 mm, a groove is opened on the inner side of the closing plate 209, and the height of the groove on the inner side of the closing plate 209 is consistent with the height of the swivel 201.

[0039] In this embodiment: the sealing performance of the four closing plates 209 after closing is improved to a certain extent, so as to prevent the sputum in the collection bottle 202 from being exposed to the air.

[0040] In an optional embodiment: the width of the slide groove 204 at the upper and lower ends of the rotating ring 201 matches the wall thickness of the top cover 2 and the bottom cover 206, and the fixed teeth 207 are located at the inner position between the top cover 2 and the bottom cover 206, and the maximum angle of rotation of the rotating drum 205 when the rotating teeth 210 drive the fixed teeth 207 to rotate is 35°.

[0041] In this embodiment: by rotating the rotating ring 201, the closing plate 209 is rotated with the rotating drum 205 as the base point, so that the closing plate 209 is opened. The structure is simple and the sputum in the collection bottle 202 is effectively prevented from being exposed to the air, which effectively reduces the probability of cross-infection in the form of aerosols due to bacteria and pathogens in the sputum.

[0042] Embodiment 2:

[0043] See also Figure 1 , Figure 5 as well as Figure 6 As shown;

[0044] The top of the exhaust pipe 101 is connected to the hollow warehouse 3 through the air duct, and guide grooves 306 are provided at the front and rear ends of the top right side of the inner wall of the hollow warehouse 3. The front and rear ends of the top right side of the inside of the hollow warehouse 3 are inserted and slide by the slider 305. The inner end face of the slider 305 is welded with a sliding plate 304, and the left end face of the sliding plate 304 is welded with a top plate 302. The left end face of the top plate 302 is fixed with a pull ring 303 by screws. A first hole 307 is provided on the left side at the lower part of the hollow warehouse 3, and a second hole 308 is provided in the middle of the sliding plate 304. The micro fan 301 is fixed in the middle of the upper part of the hollow warehouse 3 by bolts, and the lower left side of the hollow warehouse 3 is slidably connected to the outer side of the sliding plate 304.

[0045] In this embodiment: when the sputum suction device 1 extracts sputum in the patient's trachea through the sputum suction tube 102 and becomes blocked, the operator can choose to remove the sputum suction tube 102 from the patient's trachea, and let the micro-blower 301 continue to apply wind pressure to the sputum suction tube 102. The sputum blocked in the sputum suction tube 102 is ejected from the sputum suction tube 102 under the pressure of the wind pressure, thereby improving the efficiency of dealing with sputum blockage in the sputum suction tube 102 to a certain extent.

[0046] In an optional embodiment: the air inlet end of the micro fan 301 at the top of the hollow warehouse 3 is at the top, and the air outlet end of the micro fan 301 is at the bottom, an air duct is connected between the top of the exhaust pipe 101 and the bottom of the hollow warehouse 3, and the air duct is communicated with the first hole 307 on the left side at the bottom of the hollow warehouse 3 and is in a vertical state.

[0047] In this embodiment, the micro fan 301 blows downward to allow the wind pressure to clear the sputum suction tube 102.

[0048] In an optional embodiment: the diameter of the second hole 308 in the middle of the sliding plate 304 matches the diameter of the first hole 307 on the lower left side of the hollow warehouse 3, the slider 305 slides left and right in the guide groove 306 opened at the front and rear ends of the top right side of the inner wall of the hollow warehouse 3, and the length of the guide groove 306 matches the diameter of the cross-section of the first hole 307, the material below the left end surface of the hollow warehouse 3 is metal that can be attracted by a magnet, and a magnetic sheet is provided at one end of the top plate 302 near the lower left end surface of the hollow warehouse 3.

[0049] In this embodiment: it is possible to effectively avoid mixing the sputum suction device 1 and the micro-blower 301 , which would cause the negative pressure generated by the sputum suction device 1 to be discharged through the air inlet of the micro-blower 301 itself, thus affecting the suction force of the sputum suction tube 102 in extracting sputum.

[0050] Working principle: When in use, insert the suction tube 102 into the left top of the suction tube 101, then take out the collection bottle 202, insert the threaded ring 203 in the middle of the top cover 2 of the collection bottle 202 into the inner side of the collar 104 under the suction tube 101, rotate the collar 104, and the inner side of the collar 104 and the outer side of the threaded ring 203 are spirally connected. After fixing the collection bottle 202, the medical staff can insert the suction tube 102 into the patient's trachea, hold the suction device 1 and pull it, and the negative pressure generated The sputum stuck in the trachea is sucked into the sputum suction tube 102 by the negative pressure, and then falls into the connecting tube 103 after entering the air suction tube 101, and then enters the collecting bottle 202 through the connecting tube 103 and the through holes of the top cover 2 and the bottom cover 206. When the sputum suction is completed, the medical staff needs to clean the sputum in the collecting bottle 202. First, pinch the rotating ring 201 between the top cover 2 and the bottom cover 206 and rotate it in the same direction. , the rotating ring 201 rotates through the slide groove 204 between the top cover 2 and the bottom cover 206, and at the same time, the rotating teeth 210 of the inner wall of the conversion drive the rotating drum 205 on the outside of the fixed shaft 211 connecting the top cover 2 and the bottom cover 206 to rotate, and the surface of the rotating drum 205 is provided with fixed teeth 207, which mesh with the rotating teeth 210, so the rotating drum 205 is driven by the fixed teeth 207, and the closing plate 209 is driven to rotate through the connecting piece 208. At this time, the four groups of closing plates 209 contact each other and form a cylinder. The diameter of the top cross-section of the cylinder matches the caliber of the through hole, so the sputum in the collection bottle 202 is isolated from the air, and then the ring 104 connected to the top cover 2 is rotated in the reverse direction, and the collection bottle 202 is removed from the bottom of the suction pipe 101 and then transported. During the transportation process, the sputum is always in a sealed state in the collection bottle 202. Only when the collection bottle 202 is cleaned and disinfected, the rotating ring 201 will be rotated counterclockwise to open the closing plate 209;

[0051] When the sputum suction device 1 is used normally, the viscosity of sputum in the trachea of ​​different patients is different. The viscous sputum with foreign matter can easily block the suction tube 101. At this time, the suction tube 102 can be taken out of the patient's trachea, and then the pull ring 303 below the left end surface of the hollow chamber 3 at the top of the suction tube 101 is hooked and pulled. The pull ring 303 drives the top plate 302 and the sliding plate 304 on its right end surface to slide to the left, and the sliding plate 304 drives the slider 305 to slide in the guide groove 306 until the slider 305 is on the left side of the guide groove 306. At this time, the second hole 308 in the middle of the sliding plate 304 is connected with the first hole 307 on the lower left side of the hollow bin 3, and the micro-blower 301 on the top of the hollow bin 3 is turned on. The micro-blower 301 draws air from the outside, generates air pressure and sends it into the hollow bin 3. An air duct is arranged between the hollow bin 3 and the exhaust pipe 101, and the wind pressure enters the sputum suction tube 102 through the wind pressure, and the sputum stuck in the sputum suction tube 102 is sprayed outward, thereby improving the efficiency of treating sputum blocked in the sputum suction tube 102 to a certain extent.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sputum suction device for endotracheal intubation, comprising a sputum suction device (1), characterized in that: The left end surface of the sputum suction device (1) is fixedly connected to an air suction pipe (101), the left end surface of the air suction pipe (101) is provided with a sputum suction pipe (102), the bottom of the air suction pipe (101) is fixedly connected to a connecting pipe (103), and the outer side of the bottom of the connecting pipe (103) is rotatably connected to a collar (104); The inner side of the collar (104) is spirally connected to a threaded ring (203); the bottom of the threaded ring (203) is fixedly connected to a top cover (2); the bottom of the top cover (2) is fixedly connected to a fixed shaft (211); the end of the fixed shaft (211) away from the top cover (2) is fixedly connected to a bottom cover (206); the outer side of the fixed shaft (211) is rotatably connected to a rotating drum (205); the outer side of the rotating drum (205) is fixedly connected to a fixed tooth (207); the inner side of the rotating drum (205) is fixedly connected to a rotating drum (205); A connecting piece (208) is fixedly connected to the side, and a closing plate (209) is fixedly connected to the end of the connecting piece (208) away from the rotating drum (205). The bottom edge of the top cover (2) and the top edge of the bottom cover (206) are both rotatably connected to a rotating ring (201). The top and bottom edges of the rotating ring (201) are both provided with sliding grooves (204). The inner wall of the rotating ring (201) is fixedly connected to a rotating tooth (210), and a collecting bottle (202) is arranged at the bottom of the bottom cover (206).

2. A sputum suction device for endotracheal intubation according to claim 1, characterized in that: The bottom of the collar (104) contacts the top of the top cover (2), the top of the rotating drum (205) contacts the bottom of the top cover (2), the bottom of the rotating drum (205) contacts the top of the bottom cover (206), and the inner side of the rotating teeth (210) and the outer side of the fixed teeth (207) are meshed with each other.

3. The sputum suction device for endotracheal intubation according to claim 1, characterized in that: The number of the fixed shafts (211) is four groups, and the fixed shafts (211) are evenly distributed at the four corners between the top cover (2) and the bottom cover (206); the cross-sectional shape of the closing plate (209) is a quarter circle, and the number of the closing plates (209) matches the number of the fixed shafts (211).

4. The sputum suction device for endotracheal intubation according to claim 1, characterized in that: The top cover (2) and the bottom cover (206) are both provided with through holes that penetrate from top to bottom, and the cross-sectional diameter of the through holes matches the diameter of the circular cross-sectional diameter formed after the closing plate (209) is combined.

5. The sputum suction device for endotracheal intubation according to claim 1, characterized in that: A rubber layer is provided at the positions where the four groups of closing plates (209) between the top cover (2) and the bottom cover (206) contact each other, and the thickness of the rubber layer is uniformly 0.2 mm. A groove is provided on the inner side of the closing plate (209), and the height of the groove on the inner side of the closing plate (209) is consistent with the height of the rotating ring (201).

6. The sputum suction device for endotracheal intubation according to claim 1, characterized in that: The width of the slide grooves (204) at the upper and lower ends of the rotating ring (201) matches the wall thickness of the top cover (2) and the bottom cover (206), and the fixed teeth (207) are located at the inner side between the top cover (2) and the bottom cover (206). The maximum angle of rotation of the rotating drum (205) when the rotating teeth (210) drive the fixed teeth (207) is 35°.

7. The sputum suction device for endotracheal intubation according to claim 1, characterized in that: The top of the exhaust pipe (101) is fixedly connected to a hollow chamber (3), and guide grooves (306) are provided at both the front and rear ends of the top right side of the inner wall of the hollow chamber (3). The front and rear ends of the top right side of the inside of the hollow chamber (3) are slidably connected to a slider (305), and the inner end surface of the slider (305) is fixedly connected to a sliding plate (304), and the left end surface of the sliding plate (304) is fixedly connected to a top plate (302), and the left end surface of the top plate (302) is fixedly connected to a pull ring (303). A first hole (307) is provided on the left side of the lower part of the hollow chamber (3), and a second hole (308) is provided in the middle of the sliding plate (304). A micro fan (301) is fixedly connected in the middle of the upper part of the hollow chamber (3), and the lower left side of the inside of the hollow chamber (3) is slidably connected to the outer side of the sliding plate (304).

8. The sputum suction device for endotracheal intubation according to claim 7, characterized in that: The air inlet end of the micro fan (301) at the top of the hollow warehouse (3) is at the top, and the air outlet end of the micro fan (301) is at the bottom. An air duct is connected between the top of the exhaust pipe (101) and the bottom of the hollow warehouse (3), and the air duct is interconnected with the first hole (307) at the bottom left of the hollow warehouse (3) and is in a vertical state.

9. The sputum suction device for endotracheal intubation according to claim 7, characterized in that: The diameter of the second hole (308) in the middle of the sliding plate (304) matches the diameter of the first hole (307) on the left side of the lower part of the hollow warehouse (3); the sliding block (305) slides left and right in the guide groove (306) provided at the front and rear ends of the top right side of the inner wall of the hollow warehouse (3); and the length of the guide groove (306) matches the diameter of the cross section of the first hole (307); the material below the left end surface of the hollow warehouse (3) is a metal that can be attracted by a magnet, and a magnetic sheet is provided at one end of the top plate (302) close to the lower left end surface of the hollow warehouse (3).

Images