CN210811584U - An anti-sputum sputtering device for surgery - Google Patents

Abstract

The utility model discloses an anti-sputum sputtering device for surgery, which belongs to the technical field of medical appliances. There is a liquid inlet pipe, and the suction mechanism includes a suction hose, a splash-proof cover, a negative pressure suction component and a first three-way pipe. The inside of the splash-proof cover is provided with a cleaning and disinfection component. A second three-way pipe is arranged between the through pipes, and the second three-way pipe is provided with a spare hose communicating with the inside thereof, the bottom of the sputum box is provided with a liquid discharge funnel, and the bottom of the liquid discharge funnel is provided with a liquid discharge pipeline. The beneficial effect of the utility model is that the head of patients with different volumes can be limited by the auxiliary anti-sway mechanism, so as to prevent the patient from shaking during the treatment process and affect the doctor's treatment work. Disinfection of the inner wall of the splash-proof cover, and the sputum can enter the interior of the sputum box through the negative pressure sputum suction assembly.

Description

An anti-sputum sputtering device for surgery

technical field

The utility model relates to the technical field of medical appliances, in particular to an anti-phlegm sputtering device for surgery.

Background technique

During the nursing process of patients in the hospital's respiratory medicine department, patients often produce sputum due to lung inflammation. Under normal circumstances, such secretions are rare. When the respiratory mucosa is stimulated, the secretions increase and the sputum also increases, but most of them are clear and clear. Water samples have no clinical significance. In pathological conditions such as pulmonary inflammation and tumors, the amount of sputum increases, mainly composed of secretions and inflammatory exudates, which are opaque and have changes in character. Although saliva and nasopharyngeal secretions can be mixed into the sputum, they are not part of the sputum. In order to reduce the infection, the nursing work of the existing respiratory medicine patients after surgery is mainly the collection and disinfection of the patient's sputum. Most of the sputum suction devices used for patient surgery do not have the function of preventing sputum from sputtering, and cannot effectively clean and disinfect the sputum stuck on the device, which needs to be improved.

The patent with the patent number of CN204468742U relates to a sputum disinfection device for surgical care of patients in respiratory medicine. , sealing cap, disinfectant bottle, disinfectant tube, disinfectant switch, partition plate, piston, piston rod push handle, leak hole, piston rod, disinfectant spray head, the central position inside the sputum odor removal tube is fixed A partition plate is installed, a leakage hole is processed at the center of the partition plate, a disinfectant nozzle is installed below the leakage hole, and the sputum deodorization tube under the partition plate is connected with the sputum suction cavity through the sputum connecting pipe, so the A sealing cover is installed on the described sputum suction cavity, a conveying pipe is installed on the sealing cover, and a sputum collecting bucket is installed at the end of the conveying pipe, and the sputum removing odor cylinder above the separating plate is communicated with the disinfecting liquid bottle through the disinfecting liquid pipe. A piston is installed in the phlegm removing odor cylinder above the partition plate, a piston rod is installed on the piston, and a piston rod push handle is installed at the end of the piston rod. The patent makes the sputum detection operation more hygienic and convenient, and the detection results are more accurate.

However, the above-mentioned device still has the following problems: first, the above-mentioned device does not mention the structure of sterilizing and cleaning the inside of the device and the sputum collecting bucket, so that manual cleaning is required, and there is a situation that workers are infected; second The above device cannot limit the position of the child's head during the process of sucking sputum on the child, so that the child is easily shaken due to his own emotions during the operation, which brings various inconveniences to the doctor's operation.

Utility model content

The technical problem to be solved by the utility model is to provide an anti-phlegm sputtering device for surgery, so as to solve the technical problems that the anti-phlegm device cannot be disinfected and cleaned and children are prone to shaking during the treatment process.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions: including a sputum box, an auxiliary anti-sloshing mechanism, a sputum suction mechanism and a sputum purification mechanism, and the sputum suction mechanism is arranged between the auxiliary anti-sloshing mechanism and the sputum box. and the auxiliary anti-sloshing mechanism is arranged on the left side of the sputum box, the sputum purification mechanism is arranged inside the sputum box, and the left side of the sputum box is provided with a liquid inlet pipe that communicates with the inside thereof, and the The suction mechanism includes a suction hose, a splash guard, a negative pressure suction assembly and a first three-way pipe communicating with the liquid inlet pipe, and the splash guard is slidably sleeved on the end of the suction hose , the interior of the splash cover is provided with a cleaning and disinfection assembly, the suction hose and the first three-way pipe are provided with a second three-way pipe that communicates with the two, and the negative pressure suction assembly is arranged on the On the side wall of the sputum box, the second three-way pipe is provided with a spare hose that communicates with its interior, the liquid inlet end of the spare hose is provided with a sputum suction head, and the bottom of the sputum box is provided with a sputum suction head. The liquid outlet funnel communicated with the inside of the liquid outlet funnel is provided with a liquid discharge pipe at the bottom, and an on-off valve is arranged on the liquid discharge pipe.

Further, the auxiliary anti-sway mechanism includes a support table, limit components on both sides of the head, a support plate, and a mounting seat that is plug-fitted with the top of the support table, the top of the mounting seat is provided with a mounting groove, and the support The plate is slidably matched with the installation groove, a plurality of buffer springs are arranged in the installation groove, the two ends of each buffer spring are respectively connected to the bottom of the support plate and the groove bottom of the installation groove, and the top of the support plate is provided with An arc surface, on which a friction sponge is attached.

Further, the position-limiting assembly on both sides of the head includes a position adjustment part, two fixed vertical plates and two moving racks slidingly matched with the support table, and the two fixed vertical plates are respectively arranged on the two moving materials. The opposite ends of the two material-moving racks are provided with limit airbags, the tops of the two material-moving racks are provided with elastic strips, and the ends of the two elastic strips are respectively provided with sub-velcros And the female velcro, the child velcro and the mother velcro are adhesively matched.

Further, the position adjustment component includes a horizontally arranged bidirectional screw rod and two fixed seats arranged at intervals on the top of the support table, the bidirectional screw rod is provided with two sections of external threads with opposite helical directions, and the two The material transfer rack is respectively provided with threaded holes matched with two sections of external threads, and the end of the bidirectional screw rod is provided with a rotating head.

Further, the negative pressure suction assembly includes a negative pressure cylinder, a drive assembly and a piston slidingly matched with the negative pressure cylinder, the top of the negative pressure cylinder is communicated with the first three-way pipe, and the bottom of the piston is provided with a There is a vertically arranged push rod, the side wall of the phlegm box is provided with a guide frame, the guide frame is provided with a guide hole that slides with the push rod, and the negative pressure cylinder is fixed on the On the side wall of the sputum box, the liquid inlet pipeline is provided with a first one-way valve, and the first three-way pipe is provided with a second one-way valve.

Further, the drive assembly includes a motor seat arranged on the side wall of the sputum box and a drive motor arranged on the motor seat, the bottom of the push rod is provided with an extension ear, and the extension ear is provided with the extension ear. In the hinged sliding block, a transmission rod is sleeved on the output end of the driving motor, and the sliding block is slidably sleeved on the transmission rod.

Further, the cleaning and disinfection assembly includes an annular pipe arranged inside the splash guard, the annular pipe is provided with a plurality of water outlet holes distributed in an annular shape, and the annular pipe is provided with a medicine inlet pipe that communicates with the inside thereof. .

Further, the phlegm purification mechanism includes a shroud and an activated carbon filter horizontally arranged in the sputum box, the shroud is arranged inside the sputum box, and the shroud is arranged on the side of the activated carbon filter. Below, the side wall of the sputum box is provided with a lamp holder, the lamp holder is provided with an ultraviolet germicidal lamp, the top of the sputum box is provided with a maintenance window, and the maintenance window is provided with a snap fit with it. The sealing cover is provided with a handle on the top of the sealing cover.

Further, the sputum purification mechanism also includes two purification components symmetrically arranged in the sputum box, each of the purification components includes two infusion pipelines respectively arranged on the sputum box, each of which is arranged on the sputum box. The infusion pipelines are all provided with atomizing nozzles.

Compared with the prior art, the present utility model has the following beneficial effects:

First, the utility model is provided with a sputum box, an auxiliary anti-sway mechanism, a sputum suction mechanism and a sputum purification mechanism. The shaking will affect the doctor's treatment work; under the action of the cleaning and disinfection components, the disinfectant can enter the annular pipe through the medicine inlet pipe, and the disinfectant can be sprayed in the splash-proof cover through several water outlet holes to realize the anti-splash Disinfection of the inner wall of the hood; to solve the technical problems that the anti-phlegm device cannot be disinfected and cleaned and children are prone to shaking during treatment.

Second, the utility model can limit the head of patients with different volumes through the auxiliary anti-sway mechanism, so that the patient's head can be clamped by two limiting airbags, so as to avoid the patient's shaking during the treatment process and affecting the doctor. Under the action of the limit components on both sides of the head, the worker can adjust the distance between the two support tables in real time, so that the two limit airbags can limit the position of patients of different sizes, and the worker can manually rotate The rotating head rotates the two-way screw rod, so that the two-way screw rod can drive the two support platforms to move relative to each other or move against each other during the rotation process, so as to adjust the distance between the two limiting airbags.

Third, the utility model can make the piston move downward through the negative pressure suction assembly to form a negative pressure inside the negative pressure cylinder, so that the negative pressure cylinder can suck the sputum into the inside of the first three-way pipe, and the piston moves upward. At the same time, the sputum located in the first three-way pipe can be transported into the liquid inlet pipeline, so that the sputum can enter the inside of the sputum box.

Fourth, the utility model is provided with a sputum purification mechanism and a cleaning and disinfection assembly. During the cleaning process, the splash-proof cover should be manually turned upwards to prevent the disinfectant and sputum from splashing out. Under the action of the cleaning and disinfection assembly, disinfection can be achieved. The liquid enters the annular pipe through the medicine inlet pipe, so that the disinfectant is sprayed in the splash-proof cover through several water outlet holes to realize the disinfection of the inner wall of the splash-proof cover. The sputum is disinfected and purified, and at the same time, the volatilization of the sputum can be avoided, which improves the treatment environment of the operation. The activated carbon filter can realize the deodorization of the sputum, and the ultraviolet germicidal lamp can realize the sterilization of the sputum.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the top view schematic diagram of the utility model;

Fig. 3 is a schematic cross-sectional view at line A-A in Fig. 2;

4 is a schematic cross-sectional view of an auxiliary anti-sway mechanism;

Fig. 5 is the partial three-dimensional structure schematic diagram of the utility model;

Figure 6 is an enlarged view at B in Figure 5;

Fig. 7 is a partial cross-sectional schematic diagram of the utility model;

FIG. 8 is an enlarged view of C in FIG. 7 .

The symbols in the figure are:

Sputum box 10, liquid inlet pipe 11, auxiliary anti-sway mechanism 20, support table 21, support plate 22, mounting seat 23, mounting groove 24, buffer spring 25, arc surface 26, limit components 27 on both sides of the head, fixed Vertical plate 271, material transfer rack 272, limit airbag 273, elastic strip 274, suction mechanism 30, suction hose 31, splash guard 32, first three-way pipe 33, second three-way pipe 34, spare soft Tube 35, suction head 351, liquid outlet funnel 36, liquid discharge pipe 361, cleaning and disinfection assembly 37, annular pipe 371, water outlet hole 372, medicine inlet pipe 373, sputum purification mechanism 40, shroud 41, activated carbon filter 42, lamp holder 43, ultraviolet germicidal lamp 44, sealing cover 45, maintenance window 46, handle 47, negative pressure suction assembly 50, negative pressure cylinder 51, piston 52, push rod 53, guide frame 54, the first single Directional valve 55, second one-way valve 56, drive assembly 57, motor seat 571, drive motor 572, extension lug 573, sliding block 574, transmission rod 575, position adjustment member 60, bidirectional screw 61, fixed seat 62, rotating Head 63 , purification assembly 70 , infusion pipeline 71 , atomizing nozzle 72 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

Referring to FIGS. 1 to 8, it can be seen that the sputum box 10, the auxiliary anti-sway mechanism 20, the sputum suction mechanism 30 and the sputum purification mechanism 40 are included, and the sputum suction mechanism 30 is arranged on the auxiliary anti-sway mechanism 20 and the sputum box 10. and the auxiliary anti-shake mechanism 20 is arranged on the left side of the sputum box 10, the sputum purification mechanism 40 is arranged inside the sputum box 10, and the left side of the sputum box 10 is provided with a The liquid inlet pipe 11, the suction mechanism 30 includes a suction hose 31, a splash guard 32, a negative pressure suction assembly 50 and a first three-way pipe 33 communicating with the liquid inlet pipe 11. The splash guard 32 is slidably sleeved on the end of the suction hose 31, the interior of the splash cover 32 is provided with a cleaning and disinfection assembly 37, and the suction hose 31 and the first three-way pipe 33 are provided with The second three-way pipe 34 that the two communicate with, the negative pressure suction assembly 50 is arranged on the side wall of the sputum box 10, and the second three-way pipe 34 is provided with a spare hose 35 that communicates with its interior, The liquid inlet end of the spare hose 35 is provided with a sputum suction head 351, the bottom of the sputum box 10 is provided with a liquid outlet funnel 36 that communicates with the inside thereof, and the bottom of the liquid outlet funnel 36 is provided with a drain pipe 361 , the discharge pipeline 361 is provided with an on-off valve; the auxiliary anti-sway mechanism 20 can limit the head of patients with different volumes, so that the head of the patient can be clamped by the two limiting airbags 273 to prevent the patient from During the treatment, shaking occurs and affects the doctor's treatment work. The negative pressure suction assembly 50 can move the piston 52 downward to form a negative pressure inside the negative pressure cylinder 51, so that the negative pressure cylinder 51 can suck the sputum. To the inside of the first three-way pipe 33, when the piston 52 moves upward, the sputum located in the first three-way pipe 33 can be transported into the liquid inlet pipe 11, so that the sputum can enter the inside of the sputum box 10, and the sputum can enter the sputum box 10. Under the action of the cleaning and sterilizing assembly 37, the disinfectant can enter the annular pipe 371 through the medicine inlet pipe 373, so that the disinfectant can be sprayed into the splash guard 32 through a plurality of water outlet holes 372, so as to realize the disinfection of the inner wall of the splash guard 32. operation, the sputum purification mechanism 40 can realize the disinfection and purification operation of the sputum located inside the sputum box 10, and at the same time can avoid the phenomenon of sputum volatilization, which improves the treatment environment of the operation, and the first three-way pipe 33 is used to avoid The phenomenon that the sputum inside the sputum box 10 is backflowed, the second three-way pipe 34 is used to restrict the sputum from entering the first three-way pipe 33 only from the sputum suction hose 31, so as to avoid being located in the first three-way pipe. The sputum inside 33 returns, and the spare hose 35 and the suction head 351 can be used when the suction hose 31 is damaged, and can also be used for another patient. The mouth is fitted.

Specifically, the auxiliary anti-sway mechanism 20 includes a support table 21 , limiting components 27 on both sides of the head, a support plate 22 and a mounting seat 23 that is plugged and fitted with the top of the support table 21 . The top of the mounting seat 23 is provided with There is an installation groove 24, the support plate 22 is slidably matched with the installation groove 24, and a plurality of buffer springs 25 are arranged in the installation groove 24. At the bottom of the installation groove 24, the top of the support plate 22 is provided with an arc surface 26, and the arc surface 26 is fitted with an interference sponge; the auxiliary anti-sway mechanism 20 can limit the head of patients with different volumes, The patient's head can be clamped by the two limiting airbags 273 to prevent the patient from shaking during the treatment process and affecting the doctor's treatment work. When the patient is lying flat, the worker can remove the mounting seat 23 from the support platform 21 Take it out to limit the patient's head, the patient's chin can be placed on the top of the support plate 22, and the resistance to the sponge can improve the comfort of the user.

Specifically, the position-limiting assembly 27 on both sides of the head includes a position adjusting member 60 , two fixed vertical plates 271 and two moving racks 272 slidably matched with the support table 21 . The two fixed vertical plates 271 are respectively It is arranged on the top of the two material-moving racks 272, the opposite ends of the two material-moving racks 272 are provided with a limiting airbag 273, and the tops of the two material-moving racks 272 are provided with elastic bars 274. The ends of the elastic strips 274 are respectively provided with child Velcro stickers and female Velcro stickers, and the child Velcro stickers and the mother Velcro stickers are bonded and matched; The distance between the support table 21, so that the two limiting airbags 273 can limit the position of patients of different sizes. The patient's head is restrained.

Specifically, the position adjusting member 60 includes a horizontally arranged bidirectional screw rod 61 and two fixed seats 62 arranged at intervals on the top of the support table 21 . The bidirectional screw rod 61 is provided with two outer sections with opposite spiral directions. Threads, the two transfer racks 272 are respectively provided with threaded holes matched with two sections of external threads, and the end of the bidirectional screw 61 is provided with a rotating head 63; the worker can manually rotate the rotating head 63 to make The two-way screw 61 rotates, so that the two-way screw 61 can drive the two support platforms 21 to move relative to each other or to move opposite to each other during the rotation, so as to adjust the distance between the two limiting airbags 273 .

Specifically, the negative pressure suction assembly 50 includes a negative pressure cylinder 51 , a drive assembly 57 and a piston 52 slidably matched with the negative pressure cylinder 51 , and the top of the negative pressure cylinder 51 communicates with the first three-way pipe 33 , the bottom of the piston 52 is provided with a vertically arranged push rod 53, the side wall of the phlegm box 10 is provided with a guide frame 54, and the guide frame 54 is provided with a guide that slides with the push rod 53 The negative pressure cylinder 51 is fixed on the side wall of the phlegm box 10 through a pipe hoop, the liquid inlet pipe 11 is provided with a first one-way valve 55, and the first three-way pipe 33 is provided with There is a second one-way valve 56; the negative pressure suction assembly 50 can make the piston 52 move downward to form a negative pressure inside the negative pressure cylinder 51, so that the negative pressure cylinder 51 can suck sputum into the first three-way pipe Inside 33 , when the piston 52 moves upward, the sputum located in the first three-way pipe 33 can be transported into the liquid inlet pipe 11 , so that the sputum can enter the inside of the sputum box 10 .

Specifically, the drive assembly 57 includes a motor base 571 disposed on the side wall of the sputum box 10 and a drive motor 572 disposed on the motor base 571. The bottom of the push rod 53 is provided with an extension ear 573, so The extension lug 573 is provided with a sliding block 574 hinged therewith, a transmission rod 575 is sleeved on the output end of the driving motor 572, and the sliding block 574 is slidably sleeved on the transmission rod 575; the driving motor 572 works The transmission rod 575 can be swung, so that the transmission rod 575 can drive the sliding block 574 to move, so that the sliding block 574 can drive the extension ear 573 hinged with it to move, so that the extension ear 573 can drive the push rod 53 to move vertically, so that the The push rod 53 can drive the piston 52 to reciprocate in the vertical direction.

Specifically, the cleaning and disinfection assembly 37 includes an annular pipe 371 disposed inside the splash guard 32 , the annular pipe 371 is provided with a plurality of annularly distributed water outlet holes 372 , and the annular pipe 371 is provided with Internally communicated medicine feed pipe 373; under the action of the cleaning and disinfection assembly 37, the disinfectant can enter the annular pipe 371 through the medicine feed pipe 373, so that the disinfectant can be sprayed in the splash guard 32 through several water outlet holes 372, The disinfection operation of the inner wall of the splash-proof cover 32 is realized.

Specifically, the sputum purification mechanism 40 includes a shroud 41 and an activated carbon filter 42 horizontally arranged in the sputum box 10 . 41 is arranged below the activated carbon filter 42, the side wall of the sputum box 10 is provided with a lamp holder 43, the lamp holder 43 is provided with an ultraviolet germicidal lamp 44, and the top of the sputum box 10 is provided with a maintenance Window 46, the maintenance window 46 is provided with a sealing cover 45 that is snap-fitted with it, and a handle 47 is provided on the top of the sealing cover 45; Carrying out disinfection and purification operations, at the same time, the phenomenon of sputum volatilization can be avoided, and the treatment environment of the operation is improved. Odor operation, the ultraviolet germicidal lamp 44 can realize the sterilization operation of the sputum, the shroud 41 can prevent the sputum from flowing back and can prevent volatilization, the worker can open the sealing cover 45 through the handle 47, and the worker can The internal structure of the sputum box 10 can be maintained through the maintenance window 46 , and at the same time, the inside of the sputum box 10 can be cleaned manually.

Specifically, the sputum purification mechanism 40 further includes two purification assemblies 70 symmetrically arranged in the sputum box 10 , and each of the purification assemblies 70 includes two infusion solutions respectively disposed on the sputum box 10 . Pipes 71, each of the infusion pipelines 71 is provided with atomizing nozzles 72; through the infusion pipelines 71 can spray purification liquid to the interior of the sputum box 10 to complete the cleaning of the activated carbon filter 42 and the disinfection of the sputum Operation.

The working principle of the present utility model: the auxiliary anti-sway mechanism 20 can limit the position of the patient's head of different volumes, so that the patient's head can be clamped by the two limiting airbags 273, so as to prevent the patient from shaking during the treatment process However, it affects the doctor's treatment work. When the patient is lying flat, the worker can take out the mounting seat 23 from the support table 21 to limit the patient's head. Under the action of the limiting components 27 on both sides of the head, the The worker adjusts the distance between the two support tables 21 in real time, so that the two limiting airbags 273 can limit the position of patients of different sizes. The worker can manually rotate the rotating head 63 to rotate the bidirectional screw rod 61, so that the bidirectional screw rod 61 can be rotated. The rod 61 can drive the two support platforms 21 to move relative to each other or to move opposite to each other during the rotation process to adjust the distance between the two limiting airbags 273. The two elastic strips 274 are connected to limit the position of the patient's head. The negative pressure suction assembly 50 can move the piston 52 downward to form a negative pressure inside the negative pressure cylinder 51, so that the negative pressure cylinder 51 can move downward. The sputum is sucked into the inside of the first three-way pipe 33, and when the piston 52 moves upward, the sputum located in the first three-way pipe 33 can be transported into the liquid inlet pipeline 11, so that the sputum can enter the sputum box 10. Inside, the drive motor 572 works to make the transmission rod 575 swing, so that the transmission rod 575 can drive the sliding block 574 to move, so that the sliding block 574 can drive the extension ear 573 hinged to it to move, so that the extension ear 573 can drive the pusher The rod 53 moves vertically, so that the push rod 53 can drive the piston 52 to reciprocate in the vertical direction; under the action of the cleaning and disinfection assembly 37, the disinfectant can enter the annular pipe 371 through the medicine inlet pipe 373, so that the disinfectant By spraying a plurality of water outlet holes 372 in the splash-proof cover 32, the disinfection operation of the inner wall of the splash-proof cover 32 is realized. The phenomenon of volatilization of sputum is avoided, and the treatment environment of the operation is improved. The sputum can enter the interior of the sputum box 10 through the liquid inlet pipeline 11, and the activated carbon filter 42 can realize the deodorization of the sputum. Purification liquid can be sprayed into the sputum box 10 to complete the cleaning of the activated carbon filter 42 and the disinfection of sputum.

Claims (9)

1. An anti-sputum sputtering device for surgery, characterized in that, comprising a sputum box (10), an auxiliary anti-sway mechanism (20), a sputum suction mechanism (30) and a sputum purification mechanism (40), the The sputum suction mechanism (30) is arranged between the auxiliary anti-sway mechanism (20) and the sputum box (10), and the auxiliary anti-sway mechanism (20) is arranged on the left side of the sputum box (10), and the sputum is purified The mechanism (40) is arranged inside the sputum box (10), the left side of the sputum box (10) is provided with a liquid inlet pipe (11) communicating with the inside thereof, and the sputum suction mechanism (30) includes a suction pipe (11). A sputum hose (31), a splash guard (32), a negative pressure suction assembly (50) and a first three-way pipe (33) communicated with the liquid inlet pipe (11), the splash guard (32) can The sputum suction hose (31) is slidably sleeved on the end of the suction hose (31), the interior of the splash guard (32) is provided with a cleaning and disinfection assembly (37), and the suction hose (31) is connected to the first three-way pipe. A second three-way pipe (34) communicating with the two is provided between (33), the negative pressure sputum suction assembly (50) is arranged on the side wall of the sputum box (10), and the second three-way The pipe (34) is provided with a spare hose (35) communicating with the inside thereof, the liquid inlet end of the spare hose (35) is provided with a sputum suction head (351), and the bottom of the phlegm box (10) is provided with a suction head (351). There is a liquid discharge funnel (36) communicated with the inside thereof, a liquid discharge pipe (361) is arranged at the bottom of the liquid discharge funnel (36), and an on-off valve is provided on the liquid discharge pipe (361). 2 . The anti-sputum sputtering device for surgery according to claim 1 , wherein the auxiliary anti-sway mechanism ( 20 ) comprises a support table ( 21 ), limiting components ( 27 ) on both sides of the head, a support A plate (22) and a mounting seat (23) that is plug-fitted with the top of the support table (21), the top of the mounting seat (23) is provided with a mounting groove (24), and the support plate (22) is connected to the mounting groove ( 24) Sliding fit, a plurality of buffer springs (25) are arranged in the installation groove (24), and the two ends of each buffer spring (25) are respectively connected to the bottom of the support plate (22) and the installation groove (24) ), the top of the support plate (22) is provided with an arc surface (26), and the arc surface (26) is fitted with an interference sponge. 3. The anti-phlegm sputtering device for surgery according to claim 2, characterized in that, the limiting assembly (27) on both sides of the head comprises a position adjusting part (60), two fixed vertical plates (271) and two moving racks (272) slidably matched with the support table (21), the two fixed vertical plates (271) are respectively arranged on top of the two moving racks (272), and the two moving racks (272) (272) The opposite ends are provided with limiting airbags (273), the tops of the two material transfer racks (272) are provided with elastic strips (274), and the ends of the two elastic strips (274) are respectively provided with elastic strips (274). There are child velcro and female velcro, and the child velcro and the mother velcro are adhesively matched. 4. The anti-sputum sputtering device for surgery according to claim 3, wherein the position adjustment component (60) comprises a horizontally arranged bidirectional screw (61) and two spaced apart support tables (61). 21) The fixed seat (62) at the top, the two-way screw (61) is provided with two sections of external threads with opposite helical directions, and the two material transfer racks (272) are respectively provided with two sections of external threads. The end of the two-way screw (61) is provided with a rotating head (63) for the matching threaded hole. 5. The anti-sputum sputtering device for surgery according to claim 1, wherein the negative pressure suction assembly (50) comprises a negative pressure cylinder (51), a drive assembly (57) and a negative pressure cylinder (51) A sliding-fit piston (52), the top of the negative pressure cylinder (51) is communicated with the first three-way pipe (33), and the bottom of the piston (52) is provided with a vertically arranged push rod (53), the side wall of the sputum box (10) is provided with a guide frame (54), and the guide frame (54) is provided with a guide hole for sliding cooperation with the push rod (53), the negative pressure The cylinder (51) is fixed on the side wall of the phlegm box (10) through a pipe hoop, the liquid inlet pipe (11) is provided with a first one-way valve (55), and the first three-way pipe ( 33) is provided with a second one-way valve (56). 6. The anti-sputum sputtering device for surgery according to claim 5, wherein the drive assembly (57) comprises a motor seat (571) arranged on the side wall of the sputum box (10) and a motor seat (571) arranged on the side wall of the sputum box (10). The drive motor (572) on the motor base (571), the bottom of the push rod (53) is provided with an extension ear (573), and the extension ear (573) is provided with a sliding block (574) hinged therewith, A transmission rod (575) is sleeved on the output end of the drive motor (572), and the sliding block (574) is slidably sleeved on the transmission rod (575). 7. The anti-sputum splashing device for surgery according to claim 1, wherein the cleaning and disinfection assembly (37) comprises an annular pipe (371) arranged inside the splash-proof cover (32), and the annular The pipe (371) is provided with a plurality of water outlet holes (372) distributed in an annular shape, and the annular pipe (371) is provided with a medicine feeding pipe (373) communicating with the inside thereof. 8. The anti-sputum sputtering device for surgery according to claim 1, characterized in that, the sputum purification mechanism (40) comprises a diversion cover (41) and a An activated carbon filter screen (42), the shroud (41) is arranged inside the sputum box (10), and the shroud (41) is arranged below the activated carbon filter screen (42), the sputum box (41) 10) A lamp holder (43) is arranged on the side wall of the lamp holder (43), an ultraviolet germicidal lamp (44) is arranged on the lamp holder (43), and a maintenance window (46) is arranged on the top of the sputum box (10). The maintenance window (46) is provided with a sealing cover (45) which is snap-fitted with the sealing cover (45), and a handle (47) is provided on the top of the sealing cover (45). 9. The anti-sputum sputtering device for surgery according to claim 8, wherein the sputum purification mechanism (40) further comprises two purification assemblies (70) symmetrically arranged in the sputum box (10). ), each of the purification assemblies (70) includes two infusion pipelines (71) respectively arranged on the sputum tank (10), and each of the infusion pipelines (71) is provided with an atomizing nozzle ( 72).

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