CN110899264A

CN110899264A - Bedside digestive endoscopy pretreatment cleaning and disinfecting device

Info

Publication number: CN110899264A
Application number: CN201911291798.9A
Authority: CN
Inventors: 徐伟松; 韩志娟; 姚丽娟; 刘玉峰; 瞿芳
Original assignee: Second Peoples Hospital of Nantong
Current assignee: Second Peoples Hospital of Nantong
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-03-24
Anticipated expiration: 2039-12-16
Also published as: CN110899264B

Abstract

The invention discloses a bedside digestive endoscope pretreatment cleaning and disinfecting device which comprises a shell and an endoscope body, wherein the lower surface of the shell, close to the left end, is in through connection with a first material guide pipe, the left end of the first material guide pipe is fixedly connected with an upper liquid inlet of the endoscope body, the inner wall of the shell is fixedly connected with a first one-way valve and a second one-way valve, the shell is divided into A, B and C three spaces by the first one-way valve and the second one-way valve, the upper surface of the shell, which is opposite to the B space, is provided with a through groove and is fixedly connected with a sleeve through the through groove in a sealing manner, the upper surface of the shell is fixedly connected with a connecting arm, the right end of the connecting arm is fixedly connected. The invention solves the problems that the pretreatment, cleaning and disinfection of the existing endoscope after use are not timely and convenient enough, the working efficiency is reduced and the use is inconvenient in the actual use process by the matching use of the structures.

Description

Bedside digestive endoscopy pretreatment cleaning and disinfecting device

Technical Field

The invention relates to the technical field of medical cleaning equipment, in particular to a bedside digestive endoscope pretreatment cleaning and disinfecting device.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. One has image sensor, optical lens, light source lighting, mechanical device, etc. and may enter the stomach via oral cavity or enter body via other natural pore canal; generally, after the endoscope is taken out of a patient body, before the endoscope is detached from a light source and a video processor, wet tissues or wet gauze containing cleaning liquid are immediately used for pretreatment and cleaning, and the pretreatment, cleaning and disinfection of the existing endoscope after use are not timely enough and convenient enough, so that the working efficiency is reduced, and inconvenience is brought to use.

Disclosure of Invention

The invention aims to provide a bedside digestive endoscope pretreatment cleaning and disinfecting device, which improves the traditional device and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bedside digestive endoscopy preliminary treatment cleaning and disinfecting device, includes casing and scope body, the lower surface through connection who is close to the left end on the casing has passage one, the left end of passage one and the last liquid inlet fixed connection of scope body, the inner wall fixedly connected with check valve one and the check valve two of casing, A, B and the three space of C are separated into to the casing by check valve one and check valve two, just to having seted up logical groove and having linked firmly the sleeve pipe through leading to the groove seal to the upper surface in B space on the casing.

The upper surface of the shell is fixedly connected with a connecting arm, the right end of the connecting arm is fixedly connected with a lantern ring, the inner wall of the lantern ring is fixedly connected with a motor, the bottom of an output shaft on the motor is fixedly connected with a first gear, the lower surface of the first gear is fixedly connected with an arc-shaped rack, the side surface of the sleeve close to the top is provided with a through hole, and a rotating shaft is limited and rotated through the through hole, the surface of the rotating shaft is fixedly connected with two symmetrical second gears, teeth on the second gears are meshed with teeth on the arc-shaped racks, the surface of the rotating shaft is fixedly connected with a turntable, the right side of the turntable is provided with a spiral groove, the inner wall of the spiral groove is connected with a sliding rod in a sliding way, the lower surface of the slide bar is fixedly connected with a transmission rod, the bottom of the transmission rod is fixedly connected with a piston, the side face of the piston is connected with the inner wall of the sleeve in a sliding mode, and the right side of the first gear is meshed with a switching device.

Preferably, the switching device comprises a third gear, the left side of the third gear is meshed with the right side of the first gear, a limiting sleeve is arranged on the lower surface of the third gear in a limiting and rotating mode, an internal thread hole is formed in the inner wall of the third gear, a screw rod is screwed in the internal thread hole, a limiting ring is fixedly connected to the surface of the screw rod, a limiting rod is fixedly connected to the lower surface of the limiting sleeve, the limiting rod penetrates through the limiting ring and is in sliding connection with the limiting ring, the bottom of the limiting rod is fixedly connected with the upper surface of the shell, a lifting bin is fixedly connected to the bottom of the screw rod, penetrates through the shell and is in sliding connection with the shell, two partition plates are fixedly connected to the inner wall of the lifting bin, the lifting bin is divided into O, P and Q three spaces from top to bottom through the two partition plates, through holes are formed in the left sides of the O, P, the bottom of the lifting bin is provided with an air inlet.

Preferably, the bottom of the inner wall of the limiting sleeve is fixedly connected with two bulges, and the bottom of the third gear is provided with an annular groove matched with the bulges.

Preferably, the top of the screw is fixedly connected with a baffle, and the lower surface of the baffle is in sliding connection with the upper surface of the third gear.

Preferably, the number of the limiting rods is two, and the two limiting rods are symmetrically arranged by using the vertical central line of the screw rod.

Preferably, air bags are fixedly connected in the O space and the P space, liquid outlets of the air bags are fixedly connected with a second material guide pipe, and a liquid outlet of the second material guide pipe is fixedly connected with a feed inlet of the material guide ring in a sealing mode.

Preferably, a third material guide pipe is connected to the lower surface, close to the first material guide pipe, of the shell in a penetrating manner, and a spray head is fixedly connected to the bottom of the third material guide pipe.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the left end of a material guide pipe I is inserted into a liquid inlet on an endoscope body, and then a motor is switched on, so that an output shaft on the motor drives a gear I to continuously rotate, and an arc-shaped rack on the lower surface of the gear synchronously rotates along with the gear I;

when the moving arc-shaped rack is sequentially meshed with the two gears II on the rotating shaft and drives the rotating shaft to rotate, the rotating shaft can be sequentially and reciprocally rotated, and the rotating disc on the rotating shaft is reciprocally rotated along with the rotating shaft;

the piston can only perform up-and-down limited sliding in the sleeve, the sliding rod can generate relative sliding with the spiral groove on the rotary table through transmission of the transmission rod, and after the rotary table rotates back and forth along with the rotary shaft, the sliding rod drives the transmission rod and the piston to perform reciprocating lifting motion in the sleeve under the guidance of the spiral groove;

when the piston descends in the sleeve, the space in the space B is reduced, the pressure in the space B is increased, air in the space B is transferred into the space A through the one-way valve under a high-pressure environment, then the piston ascends in the sleeve along with the piston, the volume of the space B is increased, the pressure drop in the space B is further reduced, the air in the space C is transferred into the space B through the second one-way valve under the influence of a negative-pressure environment, and the air in the space A, B and the air in the space C cannot flow backwards to the right by utilizing the one-way conduction characteristics of the first one-way valve and the second one-way valve;

after the piston is continuously lifted, air or other disinfectant can be continuously transferred from C, B to the space A, and finally transferred from the material guide pipe in the space A to the endoscope body, and the pipeline in the endoscope body is fully cleaned and dried along with the air or the disinfectant in a high-pressure state;

through the arrangement of the switching device, the cleaning raw materials (air, water and disinfectant) can be automatically switched, the working complexity of medical personnel is reduced, and the working efficiency is improved.

By the cooperation of the structures, the problems that the pretreatment, cleaning and disinfection of the existing endoscope after use are not timely and convenient in the actual use process, the working efficiency is reduced, and the use is inconvenient are solved.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the bushing of the present invention;

FIG. 3 is a bottom view of the arcuate rack of the present invention;

FIG. 4 is a right side view of the spiral groove of the present invention.

In the figure: 1-shell, 2-material guide pipe I, 3-endoscope body, 4-one-way valve I, 5-one-way valve II, 6-sleeve, 7-connecting arm, 8-lantern ring, 9-motor, 10-gear I, 11-arc rack, 12-rotating shaft, 13-gear II, 14-rotating disc, 15-spiral groove, 16-sliding rod, 17-transmission rod, 18-piston, 19-switching device, 20-gear III, 21-limiting sleeve, 22-screw, 23-limiting ring, 24-limiting rod, 25-lifting bin, 26-clapboard, 27-material guide ring, 28-air inlet, 29-bulge, 30-baffle, 31-air bag, 32-material guide pipe II, 33-material guide pipe III, 34-spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a pretreatment cleaning and disinfecting device for a bedside digestive endoscope comprises a shell 1 and an endoscope body 3, wherein the lower surface, close to the left end, of the shell 1 is connected with a material guide pipe I2 in a penetrating manner, the lower surface, close to the material guide pipe I2, of the shell 1 is connected with a material guide pipe III 33 in a penetrating manner, the bottom of the material guide pipe III 33 is fixedly connected with a spray head 34, through the arrangement of the material guide pipe III 33, high-pressure cleaning materials in a space A can be distributed into the material guide pipe III 33, the surface of the endoscope body 3 is aligned to the pipe orifice of the material guide pipe III 33, the surface of the endoscope body 3 is sufficiently cleaned and dried, and therefore the inside and outside of the endoscope body 3 are sufficiently; the arrangement of the spray head 34 can improve the cleaning efficiency of the surface of the endoscope body 3; the left end of the material guide pipe I2 is fixedly connected with an upper liquid inlet of the endoscope body 3, the inner wall of the shell 1 is fixedly connected with a one-way valve I4 and a one-way valve II 5, and the one-way valve I4 and the one-way valve II 5 are medical one-way valves; the shell 1 is divided into A, B and C three spaces by a one-way valve I4 and a one-way valve II 5, a through groove is arranged on the upper surface of the shell 1, which is opposite to the space B, and a sleeve 6 is hermetically and fixedly connected through the through groove.

The connecting arm 7 is fixedly connected to the upper surface of the shell 1, and the device can be integrally lifted by lifting the connecting arm 7, so that the mobile and portable effect is improved; the right end of the connecting arm 7 is fixedly connected with a lantern ring 8, the inner wall of the lantern ring 8 is fixedly connected with a motor 9, the bottom of an output shaft on the motor 9 is fixedly connected with a first gear 10, the lower surface of the first gear 10 is fixedly connected with an arc-shaped rack 11, the left end of the feeding pipe I2 is inserted into a liquid inlet on the endoscope body 3, then the motor 9 is powered on, the output shaft on the motor 9 drives the first gear 10 to continuously rotate, and the arc-shaped rack 11 on the lower surface of the first gear 10 synchronously rotates along with the gear; a through hole is formed in the side surface, close to the top, of the sleeve 6, a rotating shaft 12 is limited and rotated through the through hole, and the rotating shaft 12 plays a transmission role; the surface of the rotating shaft 12 is fixedly connected with two symmetrical second gears 13, teeth on the second gears 13 are meshed with teeth on the arc-shaped racks 11, the surface of the rotating shaft 12 is fixedly connected with a rotating disc 14, when the moving arc-shaped racks 11 are sequentially meshed with the two second gears 13 on the rotating shaft 12 and drive the rotating shafts to rotate, the rotating shaft 12 can be sequentially rotated in a reciprocating manner, and the rotating disc 14 on the rotating shaft 12 can be rotated in a reciprocating manner; the right side of the rotary table 14 is provided with a spiral groove 15, the inner wall of the spiral groove 15 is connected with a sliding rod 16 in a sliding manner, the lower surface of the sliding rod 16 is fixedly connected with a transmission rod 17, the bottom of the transmission rod 17 is fixedly connected with a piston 18, the piston 18 can only perform up-and-down limited sliding in the sleeve 6 and is driven by the transmission rod 17, so that the sliding rod 16 and the spiral groove 15 on the rotary table 14 can generate relative sliding, and after the rotary table 14 rotates in a reciprocating manner along with the rotating shaft 12, the sliding rod 16 drives the transmission rod 17 and the piston 18 to perform reciprocating lifting movement in the sleeve 6 under; the side surface of the piston 18 is connected with the inner wall of the sleeve 6 in a sliding manner, when the piston 18 descends in the sleeve 6, the space in the space B is reduced, the pressure in the space B is increased, air in the space B is transferred into the space A through the check valve I4 under a high-pressure environment, then the piston 18 ascends in the sleeve 6 along with the pressure, the volume of the space B is increased, the pressure drop in the space B is further reduced, air in the space C is transferred into the space B through the check valve II 5 under the influence of a negative-pressure environment, and the air in the space A, B and the space C cannot flow backwards to the right by utilizing the one-way conduction characteristics of the check valve I4 and the check valve II 5; after the piston 18 is continuously lifted, air or other disinfectant can be continuously transferred from C, B to the space a, and finally transferred from the material guide pipe one 2 in the space a to the endoscope body 3, and the pipeline in the endoscope body 3 is fully cleaned and dried along with the air or disinfectant in a high-pressure state; the switching device 19 is meshed on the right side of the first gear 10, cleaned raw materials (air, water and disinfectant) can be automatically switched through the switching device 19, the working complexity of medical workers is reduced, and the working efficiency is improved, the switching device 19 comprises a third gear 20, the left side of the third gear 20 is meshed with the right side of the first gear 10, a limiting sleeve 21 is rotatably limited on the lower surface of the third gear 20, two protrusions 29 are fixedly connected to the bottom of the inner wall of the limiting sleeve 21, an annular groove matched with the protrusions 29 is formed in the bottom of the third gear 20, and the stability of limiting rotation of the third gear 20 in the limiting sleeve 21 can be further guaranteed through the two protrusions 29 on the limiting sleeve 21 and the annular groove formed in the bottom of the third gear 20; the inner wall of the third gear 20 is provided with an internal threaded hole, the screw rod 22 is screwed through the internal threaded hole, the top of the screw rod 22 is fixedly connected with the baffle 30, the lower surface of the baffle 30 is in sliding connection with the upper surface of the third gear 20, and the downward movement amount of the screw rod 22 can be limited by the arrangement of the baffle 30 on the screw rod 22, so that the excessive downward movement of the screw rod 22 is prevented from being separated from the third gear 20; the surface of the screw 22 is fixedly connected with a limiting ring 23, the lower surface of the limiting sleeve 21 is fixedly connected with a limiting rod 24, the limiting rods 24 penetrate through the limiting ring 23 and are in sliding connection with the limiting ring 23, the number of the limiting rods 24 is two, the two limiting rods 24 are symmetrically arranged along the vertical central line of the screw 22, and the stress balance of the limiting ring 23 can be further ensured through the symmetrical arrangement of the two limiting rods 24, so that the more stable limiting effect on the screw 22 is realized; the bottom of the limiting rod 24 is fixedly connected with the upper surface of the shell 1, the bottom of the screw 22 is fixedly connected with a lifting bin 25, the lifting bin 25 penetrates through the shell 1 and is in sliding connection with the shell 1, the inner wall of the lifting bin 25 is fixedly connected with two partition plates 26, the lifting bin 25 is divided into O, P spaces and Q spaces from top to bottom through the two partition plates 26, air bags 31 are fixedly connected in the O space and the P space, the liquid outlets of the air bags 31 are fixedly connected with a material guide pipe II 32, the liquid outlets of the material guide pipe II 32 are fixedly connected with the feed inlet of the material guide ring 27 in a sealing mode, through the arrangement of the air bags 31 in the O space and the P space, when the volume of the air bags 31 is reduced, flushing water and disinfectant in the air bags 31 can be transferred into the C space through the material guide pipe II 32 and the; the liquid level in the air bag 31 is not higher than the height of the second material guide pipe 32, so that leakage is avoided; when the lifting bin 25 is used, when the guide ring 27 is positioned in the space C, O, P or materials for disinfection in Q are mixed in air and enter the space B together due to negative pressure in the space B, finally enter the space A, high-pressure cleaning of pipelines in the endoscope body 3 is completed through the guide pipe I2, and along with the lifting of the lifting bin 25 in the space C, the cleaning materials in the spaces O, P and Q can be led out; the synchronous rotation of the gear III 20 is realized through the rotation of the gear I10, the gear III 20 can be stably limited and rotated in the limiting sleeve 21 through the limitation of the limiting sleeve 21 on the gear III 20, the fixed-axis rotation of the gear III 20 in the limiting sleeve 21 is further ensured through the screw 22, the rotation of the screw 22 is limited through the matching of the limiting ring 23 and the limiting rod 24, when the gear III 20 is driven by the gear I10 to rotate, the internal threads on the gear III 20 and the teeth on the surface of the screw 22 can relatively rotate, so that the lifting of the screw 22 is realized, finally, the lifting bin 25 on the bottom of the screw 22 can also complete lifting along with the screw 22, and the specific lifting is changed through adjusting the rotation direction of the gear I10; be equipped with the antiseptic solution respectively in O, P and the three regional of Q, liquid water and air, lift storehouse 25 relative space C descends and then rises, realize the air, water, the antiseptic solution, the circulating washing that water can the air, air and water in the step anterior segment are used for wasing the piece that focus tissue dropped, wash clean back, disinfect operation to endoscope body 3 through the antiseptic solution, the antiseptic solution adopts the multienzyme washing liquid, then, wash endoscope body 3 through the liquid water in the back end, thoroughly wash clean remaining antiseptic solution, the high-pressure air through in the back end is the operation of drying to endoscope body at last.

The working principle is as follows: when the bedside digestive endoscope pretreatment cleaning and disinfecting device is used, the left end of the material guide pipe I2 is inserted into a liquid inlet on the endoscope body 3, then the motor 9 is powered on, an output shaft on the motor 9 drives the gear I10 to continuously rotate, and the arc-shaped rack 11 on the lower surface of the gear I10 synchronously rotates along with the gear I10; when the moving arc-shaped rack 11 is sequentially meshed with the two second gears 13 on the rotating shaft 12 and drives the rotating shaft to rotate, the rotating shaft 12 is sequentially driven to rotate in a reciprocating manner, and the rotating disc 14 on the rotating shaft 12 rotates in a reciprocating manner; because the piston 18 can only perform up-and-down limited sliding in the sleeve 6, the sliding rod 16 can generate relative sliding with the spiral groove 15 on the rotary table 14 through the transmission of the transmission rod 17, and after the rotary table 14 performs reciprocating rotation along with the rotary shaft 12, the sliding rod 16 drives the transmission rod 17 and the piston 18 to perform reciprocating lifting motion in the sleeve 6 under the guidance of the spiral groove 15;

when the piston 18 descends in the sleeve 6, the space in the space B is reduced, the pressure in the space B is increased, the air in the space B is transferred into the space A through the one-way valve I4 under the high-pressure environment, then the piston 18 ascends in the sleeve 6 along with the air, the volume of the space B is increased, the pressure drop in the space B is further reduced, the air in the space C is transferred into the space B through the one-way valve II 5 under the influence of the negative-pressure environment, and the air in the space A, B and the air in the space C cannot flow backwards to the right by utilizing the one-way conduction characteristics of the one-way valve I4 and the one-way valve II 5; after the piston 18 is continuously lifted, air or other disinfectant can be continuously transferred from C, B to the space a, and finally transferred from the material guide pipe one 2 in the space a to the endoscope body 3, and the pipeline in the endoscope body 3 is fully cleaned and dried along with the air or disinfectant in a high-pressure state;

through the cooperation use between the above-mentioned structure, solved in the in-service use, because current scope its preliminary treatment cleaning and disinfecting is timely also convenient inadequately after the use, has reduced work efficiency, gives the problem of inconvenience of using.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bedside digestive endoscopy preliminary treatment cleaning and sterilizing device which characterized in that: the endoscope comprises a shell (1) and an endoscope body (3), wherein a material guide pipe I (2) is connected to the lower surface, close to the left end, of the shell (1) in a penetrating manner, the left end of the material guide pipe I (2) is fixedly connected with an upper liquid inlet of the endoscope body (3), a one-way valve I (4) and a one-way valve II (5) are fixedly connected to the inner wall of the shell (1), the shell (1) is divided into A, B spaces and C spaces by the one-way valve I (4) and the one-way valve II (5), a through groove is formed in the upper surface, right facing the space B, of the shell (1), and a sleeve (6) is fixedly connected to the upper surface;

the upper surface of the shell (1) is fixedly connected with a connecting arm (7), the right end of the connecting arm (7) is fixedly connected with a lantern ring (8), the inner wall of the lantern ring (8) is fixedly connected with a motor (9), the bottom of an output shaft on the motor (9) is fixedly connected with a first gear (10), the lower surface of the first gear (10) is fixedly connected with an arc-shaped rack (11), the side surface of the sleeve (6) close to the top is provided with a through hole and is provided with a rotating shaft (12) through the through hole in a limiting rotation mode, the surface of the rotating shaft (12) is fixedly connected with two symmetrical second gears (13), teeth on the second gears (13) are meshed with teeth on the arc-shaped rack (11), the surface of the rotating shaft (12) is fixedly connected with a turntable (14), the right side of the turntable (14) is provided with a spiral groove (15), and, the lower surface of the sliding rod (16) is fixedly connected with a transmission rod (17), the bottom of the transmission rod (17) is fixedly connected with a piston (18), the side face of the piston (18) is connected with the inner wall of the sleeve (6) in a sliding mode, and the right side of the first gear (10) is meshed with a switching device (19).

2. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 1, wherein the endoscope pretreatment cleaning and disinfecting device comprises: switching device (19) are including three (20) gears, the left side of three (20) gears and the right side meshing of gear (10), the lower surface spacing of three (20) gears is rotated and is had stop collar (21), the inner wall of three (20) gears has been seted up the internal thread hole and has been had screw rod (22) through internal thread hole spiro union, the fixed surface of screw rod (22) is connected with spacing ring (23), the lower fixed surface of stop collar (21) is connected with gag lever post (24), gag lever post (24) run through spacing ring (23) and with spacing ring (23) sliding connection, the bottom of gag lever post (24) and the last fixed surface of casing (1) are connected, the bottom fixedly connected with lift storehouse (25) of screw rod (22), lift storehouse (25) run through casing (1) and with casing (1) sliding connection, the inner wall fixedly connected with two baffles (26) of lift storehouse (25) and will lift storehouse (25) through two baffles (26) ) The lifting bin (25) is divided into O, P and Q spaces from top to bottom, through holes are formed in the left side of the lifting bin (25) opposite to the O, P and the left side of the Q spaces, a material guide ring (27) is fixedly connected with the through holes, and an air inlet (28) is formed in the bottom of the lifting bin (25).

3. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 2, wherein the endoscope pretreatment cleaning and disinfecting device comprises: the bottom of the inner wall of the limiting sleeve (21) is fixedly connected with two protrusions (29), and the bottom of the gear III (20) is provided with an annular groove matched with the protrusions (29).

4. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 2, wherein the endoscope pretreatment cleaning and disinfecting device comprises: the top of the screw rod (22) is fixedly connected with a baffle (30), and the lower surface of the baffle (30) is connected with the upper surface of the gear III (20) in a sliding mode.

5. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 2, wherein the endoscope pretreatment cleaning and disinfecting device comprises: the number of the limiting rods (24) is two, and the two limiting rods (24) are symmetrically arranged by the vertical central line of the screw rod (22).

6. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 2, wherein the endoscope pretreatment cleaning and disinfecting device comprises: and air bags (31) are fixedly connected in the O space and the P space, liquid outlets of the air bags (31) are fixedly connected with a second material guide pipe (32), and liquid outlets of the second material guide pipe (32) are fixedly connected with a feed inlet of the material guide ring (27) in a sealing manner.

7. The bedside endoscope pretreatment cleaning and disinfecting device according to claim 1, wherein the endoscope pretreatment cleaning and disinfecting device comprises: the lower surface of the shell (1), which is close to the first material guide pipe (2), is connected with a third material guide pipe (33) in a penetrating manner, and the bottom of the third material guide pipe (33) is fixedly connected with a spray head (34).