CN118203474A - Automatic patient dressing change device for colorectal surgery - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to an automatic patient dressing change device for colorectal surgery, which comprises a dressing change chair, wherein a penetrating dressing change column lifting hole is formed in the center of the dressing change chair, a group of conical dressing change columns are arranged in the dressing change column lifting hole in a lifting mode, the conical dressing change columns vertically move along the dressing change column lifting hole and automatically change the dressing at the anus of a patient sitting on the dressing change chair, the lifting mechanism is connected with the bottom of the conical dressing change column, an automatic dressing discharging mechanism is arranged in the conical dressing change column, after the end part of the conical dressing change column enters the anus position to be changed, the automatic dressing discharging mechanism outputs medicine in the conical dressing change column to the position to be changed, a cleaning mechanism is arranged in a dressing change column cleaning box, and is used for cleaning and sterilizing the outer side of the conical dressing change column which moves up and down along the dressing change column cleaning box.

Description

Automatic patient dressing change device for colorectal surgery

Technical Field

The invention relates to the technical field of medical appliances, in particular to an automatic patient medicine changing device for colorectal surgery.

Background

The main therapeutic content of colorectal surgery is mainly diseases of the colon, such as colon cancer, colon polyp, rectal tumor, rectal polyp, and part of anorectal diseases such as perianal tumor, anal fistula, perianal disease, etc. The wound surface after anorectal diseases is characterized by more ligature and necrotic tissues, deep and large wound surface, more placement drainage and need to carry out multi-stage dressing change treatment on the anus according to the physiological process of wound surface healing.

The prior patent is granted the number: CN219963729U discloses a postoperative anus dressing change device for rectal cancer patients, comprising a main body which is a dressing change assembly, wherein the dressing change assembly comprises a dressing change tube and a dressing taking rod movably connected with the bottom end of the dressing change tube; a round end head is arranged at one end of the dressing change tube, a medicine guide tube is communicated with the other end of the dressing change tube close to the port, a medicine outlet is formed in the side wall of the dressing change tube close to the round port, and a plurality of bulges for observing the depth of the wound are arranged on the outer side of the wall of the dressing change tube; a straight rod is vertically and fixedly arranged on the medicine taking rod, and a plurality of hooks are sequentially arranged on the straight rod along the radial direction of the straight rod, so that the device aims to provide a postoperative anus medicine changing device for a rectal cancer patient, and the problems that the existing medicine changing device is single in function and inconvenient to operate are solved; after analysis of the device, the following problems still exist in the use process:

(1) When the device is used, for a patient with weak body after the operation, the medical staff or family members and the like are needed to assist, and the device can change the medicine, namely, the device can not be operated by a single person during the use, so that the device has certain limitation during the use;

(2) The device needs to enter the anus when in use, so that the device needs to be kept clean and sanitary before use and needs to be cleaned and disinfected after use, but the device lacks the function of automatic disinfection treatment on the medicine changing head, needs to be manually cleaned before and after each use, and has complicated operation and higher cleaning difficulty;

Accordingly, in view of the above-described problems, the present solution proposes an automated patient changing device for colorectal surgery.

Disclosure of Invention

The present invention aims to provide an automated patient changing device for colorectal surgery to solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

An automatic patient dressing change device for colorectal surgery comprises a dressing change chair for providing sitting dressing change for patients, a dressing change column lifting hole penetrating through is arranged at the center of the dressing change chair, a group of conical medicine changing columns are arranged in the medicine changing column lifting holes in a lifting mode, medicines are stored in the conical medicine changing columns in a stacked mode, the conical medicine changing columns vertically move along the medicine changing column lifting holes, and automatic medicine changing is carried out on anus positions of patients sitting on a medicine changing chair;

The lifting mechanism is arranged at one side of the bottom of the dressing change chair, is connected with the bottom of the conical dressing change column and is used for driving the conical dressing change column to vertically move along the inside of the dressing change column lifting hole so as to perform dressing change operation with controllable distance;

The automatic discharging mechanism is arranged in the conical medicine changing column, and after the end part of the conical medicine changing column enters the anus position to be changed, the automatic discharging mechanism is started to output the medicine in the conical medicine changing column to the position to be changed;

The cleaning mechanism is used for cleaning and disinfecting the outer side of the conical medicine changing column moving up and down along the inside of the cleaning box of the medicine changing column, and comprises a flushing component arranged on the two side walls of the inside of the cleaning box of the medicine changing column, the flushing component is used for flushing and disinfecting the outer wall of the conical medicine changing column in the inside of the cleaning box of the medicine changing column, a cleaning component is arranged at a position between the flushing component and the conical medicine changing column, the cleaning component penetrates through the bottom wall of the cleaning box of the medicine changing column downwards to be connected with a lifting mechanism, and the lifting mechanism drives the cleaning component to rotate while driving the conical medicine changing column to move up and down, so that the outer side of the conical medicine changing column is cleaned in a contact mode, namely, the rotary operation of the cleaning component is realized on the premise of not additionally increasing a power source.

Compared with the prior art, the invention has the beneficial effects that: the automatic dressing change is performed through the manual control operation panel on the dressing change chair, so that the function of changing the dressing by a single patient is realized, and the application range and the use convenience of the device can be greatly improved;

through the clean case of changing dressings in the chair bottom of changing dressings, utilize the inside washing subassembly of the clean incasement of changing dressings and clean the subassembly and carry out multistage automatic cleaning disinfection to the toper changing dressings under the removal, can guarantee this device and last to change dressings many times and need not to dismantle, improve the efficiency of use by a wide margin.

Drawings

Fig. 1 is a schematic perspective view of an automated patient changing device for colorectal surgery.

Fig. 2 is a schematic diagram of a front view of an automated patient changing device for colorectal surgery.

Fig. 3 is a schematic side view of an automated patient changing device for colorectal surgery.

Fig. 4 is an enlarged schematic view of the structure of fig. 2 a.

Fig. 5 is an enlarged schematic view of the structure B in fig. 2.

Fig. 6 is an enlarged schematic view of the structure of fig. 2C.

Fig. 7 is an enlarged schematic view of fig. 2D.

FIG. 8 is an enlarged schematic view of the structure of E in FIG. 2;

Wherein: the dressing chair 10, chair legs 11, dressing column lifting holes 12, conical dressing columns 13, lifting mechanism boxes 14, dressing mechanism power boxes 15, extension rods 16, dressing column cleaning boxes 17, lead screws 18, nuts 19, connecting columns 20, connecting rods 21, driving gears 22, racks 23, sliding rods 24, medicine moving channels 25, drying bins 26, medicines 27, top plates 28, buffer rings 29, drying cover rings 30, waste liquid collecting boxes 31, cleaning liquid boxes 32, input pipes 33, output pipes 34, guide plates 35, brush plates 36, winding pulleys 37, driving ropes 38, supporting sleeve rods 40, rotating shafts 41, spring springs 43, flushing liquid plate boxes 44, flushing holes 45, elastic baffle plates 46, and operation panels 47.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-3, an automated patient changing device for colorectal surgery comprises a changing chair 10 for providing a patient with a sitting type changing medicine, wherein a penetrating changing medicine column lifting hole 12 is formed in the center of the changing chair 10, a group of conical changing medicine columns 13 are arranged in the changing medicine column lifting hole 12 in a lifting manner, medicines 27 are stored in the conical changing medicine columns 13 in a stacked manner, the conical changing medicine columns 13 vertically move along the changing medicine column lifting hole 12, and automated changing medicine is performed on anus of the patient sitting on the changing chair 10;

The lifting mechanism is arranged at one side of the bottom of the dressing change chair 10, is connected with the bottom of the conical dressing change column 13 and is used for driving the conical dressing change column 13 to vertically move along the inside of the dressing change column lifting hole 12 so as to perform dressing change operation with controllable distance;

The automatic medicine discharging mechanism is arranged inside the conical medicine changing column 13, and after the end part of the conical medicine changing column 13 enters the anus position to be changed, the automatic discharging mechanism is started to output medicine 27 inside the conical medicine changing column 13 to the position to be changed;

The cleaning box 17 of the dressing change column is arranged on the bottom wall of the dressing change chair 10 at the lower side of the lifting hole 12 of the dressing change column, the conical dressing change column 13 vertically penetrates through the upper side wall and the lower side wall of the cleaning box 17 of the dressing change column, a cleaning mechanism is arranged inside the cleaning box 17 of the dressing change column and is used for cleaning and disinfecting the outer side of the conical dressing change column 13 moving up and down along the inside of the cleaning box 17 of the dressing change column, the cleaning mechanism comprises a flushing component arranged on the two side walls inside the cleaning box 17 of the dressing change column and used for flushing and disinfecting the outer wall of the conical dressing change column 13 inside the cleaning box 17 of the dressing change column, a cleaning component is arranged at the position between the flushing component and the conical dressing change column 13 and is connected with the lifting mechanism, the lifting mechanism drives the conical dressing change column 13 to move up and down and simultaneously drives the cleaning component to rotate, and the outer side of the conical dressing change column 13 is cleaned in a contact mode, namely the rotating operation of the cleaning component is realized on the premise of not additionally increasing a power source.

In the embodiment of the invention, the four corners of the bottom of the dressing chair 10 are provided with the chair legs 11 which incline outwards, the dressing chair 10 is kept stable under the support of a plurality of chair legs 11, meanwhile, the two sides of the top of the dressing chair 10 are provided with the armrest frames and the inclined backup plate at one side between the armrest frames at the two sides, and the cooperation of the armrest frames and the backup plate is utilized to provide safe and comfortable sitting dressing conditions for patients; the outer side wall of the conical medicine changing column 13 is provided with a smooth surface, so that anus can be conveniently accessed and removed, and pain to limbs is reduced; typically, the medicament 27 for treating colorectal is usually a rectal suppository granule or capsule, which is stably moved upwards when being pushed by the inside of the medicament moving channel 25;

Inclined guide plates 35 are arranged at the bottoms of two sides of the inside of the dressing change column cleaning box 17, a plurality of uniformly distributed drain holes are formed in the side wall of the dressing change column cleaning box 17 corresponding to the bottom end part of the guide plates 35, the outer sides of the drain holes are communicated with a waste liquid collecting box 31 through an output pipe 34, and waste water after flushing and use is automatically and intensively input into the waste liquid collecting box 31 under the action of gravity by utilizing the guidance of the guide plates 35 and the transmission of the output pipe 34, and then the waste water in the waste liquid collecting box 31 is intensively treated; the top of the waste liquid collecting box 31 is provided with a cleaning liquid box 32 through a plurality of mounting rods, the top of the cleaning liquid box 32 is fixed at the bottom of the dressing change chair 10, the upper part of the side wall of the cleaning liquid box 32 is provided with a liquid inlet, the lower part of the side wall of the cleaning liquid box 32 facing the dressing change column cleaning box 17 is communicated with an input pipe 33, the end part of the input pipe 33 extends to the inside of the dressing change column cleaning box 17 and is connected with a flushing assembly, the input pipe 33 is provided with a pump body, under the action of the pump body, flushing liquid in the cleaning liquid box 32 is driven to be transferred into the dressing change column cleaning box 17 through the input pipe 33, and then the conical dressing change column 13 is flushed and cleaned at a high speed through the flushing assembly;

The rinse liquid in the cleaning liquid tank 32 may be supplied to the user as needed, and clean water, cleaning liquid, disinfectant, and the like may be used.

In an example of the present invention, referring to fig. 5 and 6, a medicine moving channel 25 distributed along an axis is provided inside a conical medicine changing column 13, the top of the medicine moving channel 25 is provided with an opening shape, medicines 27 to be used are vertically stacked inside the medicine moving channel 25, meanwhile, a circle of drying bin 26 is provided inside the conical medicine changing column 13 outside the medicine moving channel 25, the drying bin 26 is filled with drying agent, that is, the drying agent is used for keeping the whole dryness inside the conical medicine changing column 13, that is, preventing the wet environment from soaking and damaging the medicines 27, that is, affecting the medicine effect of the medicines 27, a group of medicine discharging mechanism power boxes 15 with diameters larger than those of the conical medicine changing column 13 are installed at the bottom of the conical medicine changing column 13, the bottom end of each medicine discharging mechanism power box 15 is connected with an extension rod 16, and the bottom of the medicine moving channel 25 extends into the inside of each medicine discharging mechanism power box 15; the automatic medicine discharging mechanism comprises a top plate 28 vertically sliding along the inner wall of a medicine moving channel 25, the bottom of the top plate 28 is connected with a rack 23, the bottom end of the rack 23 extends into a medicine discharging mechanism power box 15, one side of the rack 23 positioned in the medicine discharging mechanism power box 15 is provided with a group of driving gears 22, the driving gears 22 are meshed with the rack 23, one side of each driving gear 22 is arranged on the inside of the medicine discharging mechanism power box 15 through a supporting rod, the middle part of the side wall of each driving gear 22 is connected with a servo motor, the servo motor is started to drive the driving gears 22 to rotate, the rack 23 is controlled to move up and down along the inside of the medicine moving channel 25 by utilizing the meshing of the driving gears 22 and the rack 23, then the top plate 28 is driven to support medicines 27 in the medicine moving channel 25 to move up and down, and then the uppermost medicines 27 are sequentially output outwards through the top of the medicine moving channel 25 according to medicine changing amount, and the automatic medicine changing function is realized;

A telescopic hole is formed in the extension rod 16 at a position corresponding to the medicine moving channel 25, and the diameter of the telescopic hole is larger than the width of the rack 23, namely, a telescopic space is provided for the up-and-down movement of the rack 23;

The rack 23 is kept away from and is installed slide bar 24 on the lateral wall of drive gear 22, and slide bar 24 corresponds play medicine mechanism headstock 15 and medicine removal passageway 25 junction is provided with the spout, through the slip restriction between slide bar 24 and the spout, keeps drive gear 22 when drive rack 23 removes, fully controls the stationarity of rack 23, is provided with smooth sealing washer on the roof 28 circumference lateral wall simultaneously for when reducing roof 28 and reciprocate frictional force, prevent the liquid that probably exists in the medicine removal passageway 25 upside to ooze down and flow.

As a preferred embodiment of the present invention, referring to fig. 8, a plurality of elastic blocking pieces 46 are uniformly distributed at the top of the medicine moving channel 25, when the elastic blocking pieces 46 are in a free state, the top of the medicine moving channel 25 is closed, the elastic blocking pieces 46 are turned outwards when being pushed by the medicine 27 at the bottom, so that the output of the medicine 27 is not affected, and when the pushing of the medicine 27 is lost, the elastic blocking pieces 46 are reset to close the top of the medicine moving channel 25, namely, the liquid in anus is prevented from penetrating into the medicine moving channel 25, and damage is caused to the unused medicine 27.

As a preferred embodiment of the present invention, referring to fig. 7, two rings of buffer rings 29 and a drying cover ring 30 are sequentially arranged on the inner side wall of the lifting hole 12 of the medicine changing column from inside to outside, the drying cover ring 30 is always contacted with the outer side wall of the conical medicine changing column 13 under the elastic action of the buffer rings 29, although the outer side diameter of the conical medicine changing column 13 is sequentially increased from top to bottom, under the elastic action of the buffer rings 29, the drying cover ring 30 can still be controlled to be contacted with the outer side wall of the conical medicine changing column 13 to absorb and dry the medicine changing column, and meanwhile, the pollutant is cleaned.

As a preferred embodiment of the invention, the outside of the lifting mechanism is provided with a lifting mechanism box 14, the top of the lifting mechanism box 14 is fixed at the bottom of the drug changing chair 10, a side wall of the lifting mechanism box 14, which faces the conical drug column 13, is provided with a slide way, the lifting mechanism comprises a servo motor fixed inside the top of the lifting mechanism box 14, the output end of the servo motor is connected with a lead screw 18, the bottom end of the lead screw 18 is rotatably connected in the inner wall of the bottom of the lifting mechanism box 14 through a bearing, the lead screw 18 is in threaded connection with a nut 19, the nut 19 is provided with a guiding device for limiting the rotation of the nut 19, one side of the nut 19, which faces the extension rod 16, is fixedly connected with the extension rod 16 through a connecting rod, the servo motor is started to drive the lead screw 18 to rotate, and then the nut 19 is driven to move up and down along the lead screw 18, and meanwhile the connecting rod movably passes through the slide way and moves up and down along the slide way, so that under the connection of the extension rod 16, the conical drug column 13 is driven to move up and down along the drug column lifting hole 12.

As a preferred embodiment of the present invention, referring to fig. 4, the flushing assembly comprises a flushing liquid plate box 44 having a rectangular ring-like structure and fixed on both sidewalls of the inside of the column cleaner box 17, the outside of the flushing liquid plate box 44 is communicated with the input pipe 33, a plurality of flushing holes 45 are uniformly formed on the sidewall of the flushing liquid plate box 44 facing the inside of the column cleaner box 17, and under the action of the pump body, the liquid in the cleaning liquid box 32 is sprayed out toward the outside of the conical column cleaner 13 inside the column cleaner box 17 through the flushing holes 45, thereby cleaning the same;

The cleaning component comprises brush plates 36 distributed inside a medicine changing column cleaning box 17 on two sides of a conical medicine changing column 13, one middle part of one side, far away from the conical medicine changing column 13, of each brush plate 36 is connected with a winding pulley 37, one side of each winding pulley 37 is connected with a rotating shaft 41, each rotating shaft 41 is rotatably supported on the inner wall of the medicine changing column cleaning box 17 through a supporting sleeve rod 40, the end part, far away from each winding pulley 37, of each rotating shaft 41 is rotatably arranged on the inner wall of the medicine changing column cleaning box 17, meanwhile, a spring 43 is arranged at the end part of each rotating shaft 41, a driving rope 38 is wound on each winding pulley 37, the tail end of each driving rope 38 movably penetrates through the bottom wall of the medicine changing column cleaning box 17 to be connected with a connecting column 20 in a downward extending mode, one end, facing the extending rod 16, of each connecting column 20 is connected with a connecting rod 21, the end part of each connecting rod 21 is fixed on the extending rod 16, when each spring 43 is in a free state, the driving ropes 38 are controlled to be fully wound on the winding pulleys 37, when the extending rod 16 moves downwards, the connecting rods 38 are synchronously driven to rotate, the winding pulleys 37 are further, the brush plates 36 on one side of the winding pulleys 37 are controlled to rotate, and then the brush plates 36 on one side of the winding pulleys are contacted with the conical medicine changing column 13 through the conical medicine cleaning box, and the connecting rods are contacted with the conical medicine cleaning columns, and the connecting rods are contacted with the lifting springs, and the lifting rods are in a lifting mode, and the lifting of the lifting rods are respectively.

As a preferred embodiment of the present invention, the top end of the armrest frame is provided with the operation panel 47, the bottom of the operation panel 47 is provided with the control module, and the control module is connected with the electric elements such as the servo motor, the pump body, etc., so that when a user sits on the dressing change chair 10 to change the dressing, the operation of each step of each procedure can be performed only by manually operating the operation panel 47, namely, the function of automatically changing the dressing by a single person is realized.

The working principle of the invention is as follows: in the idle position of the device, all the driving parts are connected by leads, which refer to power elements, electric devices and an adaptive power supply, the electric devices are electrically connected in sequence, the detailed connection means are well known in the art, the following main description of the working principle and the process are provided, when no electric control is described, a patient independently changes the medicine, the medicine 27 which is enough to be used is stored in the medicine moving channel 25 in advance, then when the medicine needs to be changed, the patient directly sits on the medicine changing chair 10, then the anus is over the medicine changing column lifting hole 12, then the operation panel 47 is manually operated to control the servo motor to operate, the servo motor drives the screw rod 18 to rotate according to the position in the anus of the medicine changing, the nut 19 is driven to move upwards, then the conical medicine changing column 13 is integrally driven to be lifted upwards until the top of the medicine moving channel 25 is moved to the position to be changed, then the servo motor is started again to drive the driving gear 22 to rotate, then the rack 23 is controlled to move upwards, the medicine 27 in the medicine moving channel 25 is gradually upwards, then passes through the top of the medicine moving channel 25 to be moved outwards to the position, the medicine changing column 13 is simultaneously moved towards the inner side of the conical medicine changing box 13, the conical medicine changing box 13 is simultaneously, the inside the conical medicine changing box is cleaned, the medicine box is cleaned, the inside the conical medicine box is cleaned, the medicine box is cleaned, and the inside the conical medicine box is cleaned, and the inside the medicine box is cleaned, and the inside the medicine box is cleaned, and the medicine is moved, and is in the medicine, and is in the mode, and is in the apparatus, and is. Thereby guarantee the toper and trade the medicine grain 13 outside and trade the medicine with clean sanitary state, reverse the operation of repeating above-mentioned after finishing changing dressings, with toper trade grain 13 decline, then under the connection of drive rope 38, drive rolling pulley 37 and rotate, and then drive brush board 36 reversal again and clean toper trade grain 13, wash hole 45 still operation and clean the toper trade grain 13 outside simultaneously, the medicine removal passageway 25 top is automatic closed under the effect of elastic baffle 46 simultaneously.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (10)

1. An automatic patient dressing change device for colorectal surgery is characterized by comprising a dressing change chair (10) for providing sitting type dressing change for a patient, wherein a penetrating dressing change column lifting hole (12) is formed in the center of the dressing change chair (10), a group of conical dressing change columns (13) are arranged in the dressing change column lifting hole (12) in a lifting mode, medicines (27) are stored in the conical dressing change columns (13) in a stacked mode, the conical dressing change columns (13) vertically move along the dressing change column lifting hole (12), and automatic dressing change is carried out on anus of the patient sitting on the dressing change chair (10);

the lifting mechanism is arranged at one side of the bottom of the dressing change chair (10), is connected with the bottom of the conical dressing change column (13) and is used for driving the conical dressing change column (13) to vertically move along the inside of the dressing change column lifting hole (12) to perform dressing change operation with controllable distance;

The automatic medicine discharging mechanism is arranged inside the conical medicine changing column (13), and after the end part of the conical medicine changing column (13) enters the anus position to be changed, the automatic discharging mechanism outputs medicine (27) inside the conical medicine changing column (13) to the position to be changed;

the cleaning device comprises a medicine changing column cleaning box (17), wherein the cleaning box is arranged on the bottom wall of a medicine changing chair (10) at the lower side of a medicine changing column lifting hole (12), a conical medicine changing column (13) vertically penetrates through the upper side wall and the lower side wall of the medicine changing column cleaning box (17), a cleaning mechanism is arranged inside the medicine changing column cleaning box (17) and used for cleaning and sterilizing the outer side of the conical medicine changing column (13) moving up and down along the inside of the medicine changing column cleaning box (17), the cleaning mechanism comprises a flushing component arranged on the two side walls inside the medicine changing column cleaning box (17), the flushing component is used for flushing and sterilizing the outer wall of the conical medicine changing column (13) located inside the medicine changing column cleaning box (17), a cleaning component is arranged at a position between the flushing component and the conical medicine changing column (13), the cleaning component downwards penetrates through the bottom wall of the medicine changing column cleaning box (17) and is connected with the lifting mechanism, and the lifting mechanism drives the conical medicine changing column (13) to move up and down and simultaneously drives the cleaning component to rotate so as to clean the outer side of the conical medicine changing column (13) in a contact mode.

2. An automated patient changing device for colorectal surgery according to claim 1, characterized in that the four corners of the bottom of the changing chair (10) are provided with outwardly inclined chair legs (11), the two sides of the top of the changing chair (10) are provided with armrest frames and inclined back plates at one side between the two armrest frames, and the outer side wall of the conical changing column (13) is provided with a smooth surface.

3. An automated patient changing device for colorectal surgery according to claim 2, wherein inclined guide plates (35) are arranged at the bottoms of two sides of the inside of the cleaning box (17), a plurality of evenly distributed drain holes are arranged on the side wall of the cleaning box (17) corresponding to the bottom end of the guide plates (35), the outer sides of the drain holes are communicated with a waste liquid collecting box (31) through an output pipe (34), a cleaning liquid box (32) is arranged at the top of the waste liquid collecting box (31) through a plurality of mounting rods, the top of the cleaning liquid box (32) is fixed at the bottom of the dressing chair (10), a liquid inlet is arranged at the upper part of the side wall of the cleaning liquid box (32), an input pipe (33) is communicated with the lower part of the side wall of the cleaning box (17) towards the dressing column, the end of the input pipe (33) extends into the cleaning box (17) and is connected with a flushing assembly, and a pump body is arranged on the input pipe (33).

4. An automated patient changing device for colorectal surgery according to claim 3, wherein a drug moving channel (25) is provided inside the conical changing column (13) and distributed along the axis, the top of the drug moving channel (25) is provided with an opening, the inside of the drug moving channel (25) is vertically stacked with a drug (27) to be used, a circle of drying bin (26) is provided inside the conical changing column (13) outside the drug moving channel (25), a drying agent is filled inside the drying bin (26), a group of drug outlet mechanism power boxes (15) with the diameter larger than that of the conical changing column (13) are mounted at the bottom of the conical changing column (13), an extension rod (16) is connected at the bottom end of each drug outlet mechanism power box (15), and the bottom of each drug moving channel (25) extends to the inside of each drug outlet mechanism power box (15).

5. An automated patient changing device for colorectal surgery according to claim 4, wherein the automatic drug delivery mechanism comprises a top plate (28) vertically sliding along the inner wall of the drug moving channel (25), a rack (23) is connected to the bottom of the top plate (28), the bottom end of the rack (23) extends to the inside of the drug delivery mechanism power box (15), a group of driving gears (22) are arranged on one side of the rack (23) located in the drug delivery mechanism power box (15), the driving gears (22) are meshed with the rack (23), one side of the driving gears (22) is arranged on the inside of the drug delivery mechanism power box (15) through a supporting rod, and a servo motor is connected to the middle of the side wall of the driving gears (22).

6. An automated patient changing device for colorectal surgery according to claim 5, wherein the side wall of the rack (23) far from the driving gear (22) is provided with a sliding rod (24), the junction of the drug outlet mechanism power box (15) corresponding to the sliding rod (24) and the drug moving channel (25) is provided with a sliding groove, and the circumferential side wall of the top plate (28) is provided with a smooth sealing ring.

7. The automatic patient changing device for colorectal surgery according to claim 6, wherein two rings of buffer rings (29) and a drying cover ring (30) are sequentially arranged on the inner side wall of the changing column lifting hole (12) from inside to outside, and the drying cover ring (30) is always contacted with the outer side wall of the conical changing column (13) under the elastic action of the buffer rings (29).

8. An automated patient changing device for colorectal surgery according to claim 7, wherein the outer side of the lifting mechanism is provided with a lifting mechanism box (14), the top of the lifting mechanism box (14) is fixed at the bottom of the changing chair (10), a slide way is arranged on one side wall of the lifting mechanism box (14) facing the conical changing column (13), the lifting mechanism comprises a servo motor fixed inside the top of the lifting mechanism box (14), the output end of the servo motor is connected with a lead screw (18), the bottom end of the lead screw (18) is rotatably connected in the inner wall of the bottom of the lifting mechanism box (14) through a bearing, a nut (19) is connected on the lead screw (18) in a threaded manner, a guiding device for limiting the rotation of the nut (19) is arranged on the nut (19), and one side of the nut (19) facing the extension rod (16) is fixedly connected with the extension rod (16) through a connecting rod.

9. An automated patient changing device for colorectal surgery according to claim 8, wherein the flushing module comprises a flushing fluid plate box (44) of a rectangular ring-like structure fixed on both inner side walls of the column cleaner box (17), the outside of the flushing fluid plate box (44) being communicated with the input tube (33), the side walls of the flushing fluid plate box (44) facing the inside of the column cleaner box (17) being uniformly provided with a plurality of flushing holes (45);

The cleaning assembly comprises brush plates (36) distributed inside a cleaning box (17) of conical medicine changing columns (13), one side middle part of each brush plate (36) far away from each conical medicine changing column (13) is connected with a winding pulley (37), one side of each winding pulley (37) is connected with a rotating shaft (41), the rotating shafts (41) are rotatably supported on the inner wall of the cleaning box (17) of the medicine changing column through supporting sleeve rods (40), the end parts of the rotating shafts (41) far away from the winding pulleys (37) are rotatably arranged on the inner wall of the cleaning box (17) of the medicine changing column, spring springs (43) are arranged at the end parts of the rotating shafts (41), driving ropes (38) are wound on the winding pulleys (37), the tail ends of the driving ropes (38) movably penetrate through the bottom wall of the cleaning box (17) of the medicine changing column and downwards extend to be connected with connecting columns (20), one ends of the connecting columns (20) face to connecting rods (21), and the end parts of the connecting rods (21) are fixed on the extending rods (16).

10. An automated patient changing device for colorectal surgery according to claim 9, wherein the top end of the armrest frame is provided with an operating panel (47), the bottom of the operating panel (47) is provided with a control module, and the control module is connected with a servo motor, and pump body electrical components.