CN112972872B

CN112972872B - Anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery

Info

Publication number: CN112972872B
Application number: CN202110027969.8A
Authority: CN
Inventors: 骆梅; 许英华; 李燕超; 丁文彬; 赵超
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2022-06-07
Anticipated expiration: 2041-01-11
Also published as: CN112972872A

Abstract

The invention discloses an anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery, which comprises a shell, wherein a working cavity is arranged on the shell, a treatment device is arranged in the working cavity, two lifting devices are symmetrically arranged on the left side and the right side of the treatment device, an anesthetic injection mechanism is arranged below the lifting device on the right side, the treatment device comprises a first rack which is arranged in the working cavity in a sliding mode, and a first motor is fixedly arranged on the front end wall of the working cavity.

Description

Anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery

Technical Field

The invention belongs to the field of medical treatment, and particularly relates to an anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery.

Background

Anal fissure is a small ulcer of the whole layer of the skin of the anal canal below a dentate line, the direction of the anal fissure is parallel to the longitudinal axis of the anal canal, the anal fissure is 0.5-1.0 cm long and is in a fusiform or oval shape, healing is difficult, and the anal fissure is a common cause of severe pain at the position of the anal canal of young and middle-aged people, when symptoms of an anal fissure patient are light, the anal fissure can be used for dilation treatment through the anal canal, after a traditional treatment method is mostly local anesthesia, the patient takes a lateral decubitus position, firstly, the anal canal is dilated with 2 fingers, then, the patient gradually stretches into two middle fingers to maintain dilation for 5min, the male is dilated in the front-back direction to avoid the contact between the fingers and ischial tubercles to influence dilation, the female pelvis is wide, the problem does not exist, after the anal canal is dilated, anal sphincter spasm can be removed, postoperative pain can be relieved immediately, after dilation, the anal fissure wound surface is dilated and opened, drainage is smooth, superficial wound surface can be healed quickly, however, the mode treatment has certain danger, and the patient is easy to be injured secondarily, and no device specially aiming at treating the patient in the pre-anal fissure stage exists in the market at present.

Disclosure of Invention

The invention aims to solve the problem that patients mostly adopt manual treatment in the anal canal expansion treatment process in the early stage of anal fissure in the prior art, and provides an anal canal expansion auxiliary treatment mechanism for gastrointestinal surgery, so that the patients can expand the anal canal after local anesthetic spraying by the aid of the anal canal expansion auxiliary treatment mechanism.

The technical scheme of the invention is as follows: an anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery comprises a shell, wherein a working cavity is arranged on the shell, a treatment device is arranged in the working cavity, two lifting devices are symmetrically arranged on the left side and the right side of the treatment device, an anesthetic injection mechanism is arranged below the lifting devices, the treatment device comprises a first rack which is arranged in the working cavity in a sliding mode, a first motor is fixedly arranged on the front end wall of the working cavity, a first gear is fixedly arranged on the output shaft end of the first motor, the first gear is meshed with the first rack, a hollow column is fixedly arranged on the upper end face of the first rack, a rolling cavity is formed in the upper end face of the hollow column, a sliding cavity is formed in the lower end wall of the rolling cavity, a lubricant placing cavity is formed in the lower end wall of the sliding cavity, a plurality of liquid discharge one-way valves are uniformly formed in the circumference of the inner wall of the lubricant placing cavity, and a first piston is arranged in the lubricant placing cavity in a sliding sealing mode, the connecting rod is fixedly arranged on the upper end face of the first piston, an arc shell is fixedly arranged on the upper end face of the connecting rod, the lower end face of the arc shell is connected with the lower end wall of the rolling cavity through a first spring, and a ball is arranged on the upper end face of the arc shell in a rolling mode.

Preferably, the treatment device further comprises an expansion cavity arranged in the hollow column, a third motor is fixedly arranged on the inner wall of the right side of the expansion cavity, a first bevel gear is fixedly arranged at the output shaft end of the third motor, two groups of sliding assemblies are symmetrically arranged on the front and back of the inner wall of the expansion cavity, each sliding assembly comprises a sliding assembly which is symmetrically arranged on the inner wall of the expansion cavity from top to bottom, each sliding assembly comprises a sliding groove arranged on the inner wall of the expansion cavity, a convex block is arranged in each sliding groove in a sliding manner, the convex block is connected with the inner wall of the sliding groove through a second spring, an expansion plate is fixedly arranged on the lower end face of each convex block, a middle column is fixedly arranged on one side face, close to each other, of the expansion plates, a worm tooth arrangement cavity is arranged in each middle column, a worm is arranged in each worm tooth arrangement cavity, the worm is engaged with the worm teeth on the inner wall of the worm tooth arrangement cavity, and a second bevel gear is fixedly arranged on one end face, close to each worm, the second bevel gear is meshed with the first bevel gear, two end faces, close to each other, of the expansion plates are respectively fixedly provided with rubber sheets, the upper end face and the lower end face of each rubber sheet are connected with the upper end wall and the lower end wall of the expansion cavity, the rubber sheets are made of elastic materials and can deform under stress, an elastic sealing gasket is fixedly arranged on the inner wall of the upper side of the working cavity, and a through hole is formed in the elastic sealing gasket.

When a patient uses the device, the device is placed at a position convenient for the patient to sit up, the device is placed on a lifting device, after the anesthetic is sprayed, a first motor is started to drive a first gear to rotate, the first gear rotates to drive a first rack to move upwards, the first rack drives a hollow column to move upwards until balls abut against through holes, the balls are subjected to resistance and drive an arc shell to move downwards, the arc shell drives a rolling cavity to move downwards, the rolling cavity drives a connecting rod to move downwards, the connecting rod drives a first piston to move downwards, and the first piston moves downwards so that a lubricant in a lubricant placing cavity flows onto the surface of an expansion plate through a liquid discharge one-way valve to facilitate the hollow column to be inserted into the anus of the patient; after the hollow column is inserted into the anus of a patient, the first motor is started to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the two worms to rotate, the two middle columns during rotation of the two worms move away from each other, the two middle columns drive the two expansion plates to move away from each other, the second spring is compressed, and the rubber sheet is stretched; the anal canal of the patient is expanded through the movement mode.

Preferably, the lifting device comprises an inclined cavity arranged on the shell, the inclined cavity is arranged in an inclined manner, an opening on the upper side of the inclined cavity inclines to one side close to the vertical central line of the shell, a second rack is arranged in the inclined cavity in a sliding manner, a second motor is fixedly arranged on the front end wall of the inclined cavity, a second gear is fixedly arranged on the output shaft end of the second motor, the second gear is meshed with the second rack, one end face of the second rack is connected with the inner wall of the inclined cavity through a third spring, a fixed plate is fixedly arranged on the other end face of the second rack, a cushion pad is fixedly arranged on the upper end face of the fixed plate, a positioning groove is formed in one end face, away from each other, of the second rack, a positioning pin is arranged in the positioning groove in a sliding manner, one end face of the positioning pin is connected with the inner wall of the positioning groove through a fourth spring, and a rotating cavity is formed in the other end face of the positioning pin, the rolling ball is arranged in the rotating cavity in a rolling mode, a plurality of positioning holes are evenly formed in the inner wall of the inclined cavity along the length direction of the inclined cavity, and the rolling ball abuts against one of the positioning holes.

When a patient sits on the upper end faces of the two buffer pads, the second motor is started to drive the second gear to rotate, the second gear rotates to drive the second rack to move downwards, the second rack drives the fixing plate to move downwards, the fixing plate moves downwards to enable the buttocks of the patient to move towards two sides so as to facilitate expansion of the anus, and meanwhile, the fixing plate moves downwards to trigger the anesthetic spraying mechanism to be started so as to facilitate full contact of anesthetic and the anus; when the patient will carry out anal canal expansion, the second motor starts to drive the second gear to rotate reversely, so that the two fixing plates move upwards to close the hip of the patient, the anal canal is expanded, and the anus is protected from large stretching force.

Preferably, narcotic drug injection mechanism is including the fixed block that sets up at the casing up end, be equipped with sealed chamber in the fixed block, sealed chamber is through first admission valve and external intercommunication, sealed intracavity sliding seal is equipped with the second piston, the fixed atress pole that is equipped with of second piston up end, the ball die cavity has been seted up to the atress pole up end, the ball die cavity rolls and is equipped with the ball, the ball is located the right side elevating gear fixed plate below, be equipped with the intercommunication chamber in the fixed block, the intercommunication chamber with sealed chamber is connected through a second admission valve, the intercommunication intracavity sliding seal is equipped with the third piston, the fixed atomizing injector head that is equipped with of fixed block up end.

Preferably, a sealing ring is fixedly arranged on the upper end face of the shell, the right end face of the sealing ring is connected with the left end face of the fixed block, and the upper side of the sealing ring is fixedly connected with the left side of the lower end face of the fixed block.

When the fixed plate moves downwards, the fixed plate drives the ball to move downwards, the ball drives the stress rod to move downwards, the stress rod drives the second piston to move downwards to enable the gas in the sealing cavity to enter the communicating cavity, the pressure in the communicating cavity is increased, the third piston moves upwards, the anesthetic on the upper side of the third piston is sprayed to the local part of a patient through the atomizing spray head, when the fixed plate moves upwards, the external air enters the sealing cavity, the air in the sealing cavity enters the communicating cavity, the pressure in the communicating cavity is kept balanced, when the therapy is performed, the anesthetic enters the sealing ring, and after the usage is finished, only the sealing ring is cleaned.

Has the advantages that:

1. the anus is slightly opened before the patient sprays the anesthetic, so that the anesthetic is fully contacted with the anus, the anus is tightly closed when the anal canal is expanded, the anal canal muscle is conveniently expanded, the anus is protected from being pulled to cause heavy bleeding, and dirty water generated in the expansion process can be collected to avoid entering the device;

2. the anus is specially expanded by arranging the treatment device, so that the anus is not expanded, the damage to the anus is avoided, and the lubricant is automatically sprayed when the treatment device is inserted into the anus, so that the secondary damage caused when the treatment device is inserted and pulled out is avoided;

3. the lifting device is arranged, so that the anus is slightly expanded when the anesthetic is sprayed, the anesthetic is conveniently and fully contacted with the skin, the anus is tightly closed when the anal canal is expanded, the anal canal is prevented from being expanded in the expanding process, and the anus can be specially expanded when the anus needs to be expanded.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 4 is a cross-sectional view at C-C of FIG. 3;

FIG. 5 is an enlarged schematic view at D of FIG. 1;

fig. 6 is an enlarged schematic view at E of fig. 1.

In the figure, a housing 11, a fixed plate 12, a cushion pad 13, a seal ring 14, an elastic seal 15, a working chamber 16, an inclined chamber 17, a third spring 18, a positioning hole 19, a second rack 20, a second motor 21, a second gear 22, a first motor 25, a first gear 26, a rolling ball 28, a rotating chamber 29, a positioning pin 30, a fourth spring 32, an atomizing spray head 33, a third piston 36, a communication chamber 37, a seal chamber 38, a first air inlet valve 40, a second piston 41, a force receiving rod 42, a spherical chamber 43, a ball 45, a fixed block 46, a ball 47, a circular arc shell 48, a rolling chamber 49, a first spring 50, a connecting rod 51, a first piston 52, a lubricant placing chamber 53, an expanding chamber 54, a third motor 55, a rubber sheet 56, a sliding groove 57, a bump 58, a first rack 60, a hollow column 61, an expanding plate 62, a worm 63, an intermediate column 64, a gear 65, a second spring 66, a positioning hole 19, a positioning hole positioning, a connecting the second piston positioning the second piston, the third piston, the third piston, the third piston, the third, the liquid drainage check valve 67, the sliding cavity 68, the worm tooth arrangement cavity 69, the through hole 70, the second air inlet valve 71 and the first bevel gear 73.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described below. 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. For convenience of description, the specific form of the spring attachment is not described below, and may be provided in the conventional manner of a mechanical design manual, i.e., by providing a groove or protrusion for positioning the spring.

As shown in fig. 1 and 2, an anal fissure early-stage auxiliary treatment mechanism for gastrointestinal surgery comprises a shell 11, a working chamber 16 is arranged on the shell 11, a treatment device is arranged in the working chamber 16, two lifting devices are symmetrically arranged on the left side and the right side of the treatment device, an anesthetic injection mechanism is arranged below the right lifting device, the treatment device comprises a first rack 60 which is slidably arranged in the working chamber 16, a first motor 25 is fixedly arranged on the front end wall of the working chamber 16, a first gear 26 is fixedly arranged at the output shaft end of the first motor 25, the first gear 26 is meshed with the first rack 60, a hollow column 61 is fixedly arranged on the upper end surface of the first rack 60, a rolling chamber 49 is arranged on the upper end surface of the hollow column 61, a sliding chamber 68 is arranged on the lower end wall of the rolling chamber 49, a lubricant placing chamber 53 is arranged on the lower end wall of the sliding chamber 68, a plurality of liquid discharge one-way valves 67 are uniformly arranged on the circumference of the inner wall of the lubricant placing chamber 53, sliding seal is equipped with first piston 52 in the emollient is placed chamber 53, and first piston 52 up end is fixed and is equipped with connecting rod 51, and the fixed arc shell 48 that is equipped with of connecting rod 51 up end, terminal surface and rolling chamber 49 lower extreme wall are connected through first spring 50 under the arc shell 48, and the rolling of arc shell 48 up end is equipped with ball 47.

As shown in fig. 1, 2, 3 and 4, the therapeutic apparatus further comprises an expansion cavity 54 disposed in the hollow column 61, a third motor 55 is fixedly disposed on the inner wall of the right side of the expansion cavity 54, a first bevel gear 73 is fixedly disposed on the output shaft of the third motor 55, two sets of sliding assemblies are symmetrically disposed on the inner wall of the expansion cavity 54 in the front-rear direction, each sliding assembly comprises a sliding assembly disposed on the inner wall of the expansion cavity 54 in the up-down direction, each sliding assembly comprises a sliding groove 57 disposed on the inner wall of the expansion cavity 54, a protrusion 58 is slidably disposed in the sliding groove 57, the protrusion 58 is connected with the inner wall of the sliding groove 57 through a second spring 66, an expansion plate 62 is fixedly disposed on the lower end face of the protrusion 58, a middle column 64 is fixedly disposed on one side face of the expansion plate 62, a worm tooth placement cavity 69 is disposed in the middle column 64, a worm 63 is disposed in the worm tooth placement cavity 69, the worm 63 is engaged with the worm tooth in the worm tooth placement cavity 69, a second bevel gear 65 is fixedly disposed on one end face of the two worms close to each other, the second bevel gear 65 is meshed with the first bevel gear 73, one end face, close to each other, of the two expansion plates 62 in the vertical direction is respectively and fixedly connected with a rubber sheet 56, the upper end face and the lower end face of the rubber sheet 56 are connected with the upper end wall and the lower end wall of the expansion cavity 54, the rubber sheet 56 is made of elastic materials and can deform under stress, an elastic sealing gasket 15 is fixedly arranged on the inner wall of the upper side of the working cavity 16, and a through hole 70 is formed in the elastic sealing gasket 15.

When a patient uses the device, the device is placed at a position convenient for the patient to sit up, the patient sits on a lifting device, after the anesthetic is sprayed, the first motor 25 is started to drive the first gear 26 to rotate, the first gear 26 rotates to drive the first rack 60 to move upwards, the first rack 60 drives the hollow column 61 to move upwards until the balls 47 abut against the through holes 70, the balls 47 bear resistance to drive the arc shell 48 to move downwards, the arc shell 48 drives the rolling cavity 49 to move downwards, the rolling cavity 49 drives the connecting rod 51 to move downwards, the connecting rod 51 drives the first piston 52 to move downwards, and the first piston 52 moves downwards, so that the lubricant in the lubricant placing cavity 53 flows onto the surface of the expanding plate 62 through the liquid drainage one-way valve 67 to facilitate the hollow column 61 to be inserted into the anus of the patient; after the hollow column 61 is inserted into the anus of the patient, the third motor 55 is started to drive the first bevel gear 73 to rotate, the first bevel gear 73 rotates to drive the second bevel gear 65 to rotate, the second bevel gear 65 rotates to drive the two worms 63 to rotate, the two middle columns 64 during the rotation of the two worms 63 do mutual distancing motion, the two middle columns 64 drive the two expansion plates 62 to do mutual distancing motion, the second spring 66 is compressed, and the rubber sheet 56 is stretched; the anal canal of the patient is expanded through the movement mode.

As shown in fig. 1 and 5, the lifting device includes an inclined cavity 17 disposed on the housing 11, the inclined cavity 17 is disposed in an inclined manner, an upper opening of the inclined cavity 17 is inclined toward a side close to a vertical center line of the housing 11, a second rack 20 is slidably disposed in the inclined cavity 17, a second motor 21 is fixedly disposed on a front end wall of the inclined cavity 17, an output shaft of the second motor 21 is fixedly disposed with a second gear 22, the second gear 22 is engaged with the second rack 20, one end surface of the second rack 20 is connected with an inner wall of the inclined cavity 17 through a third spring 18, the other end surface of the second rack 20 is fixedly disposed with the fixing plate 12, the upper end surface of the fixing plate 12 is fixedly disposed with the cushion pad 13, a positioning groove 31 is disposed on a mutually distant end surface of the second rack 20, a positioning pin 30 is slidably disposed in the positioning groove 31, one end surface of the positioning pin 30 is connected with an inner wall of the positioning groove 31 through a fourth spring 32, and a rotation cavity 29 is disposed on the other end surface of the positioning pin 30, the rolling ball 28 is arranged in the rotating cavity 29 in a rolling mode, a plurality of positioning holes 19 are evenly formed in the inner wall of the inclined cavity 17 along the length direction of the inclined cavity, and the rolling ball 28 abuts against one of the positioning holes 19.

When a patient sits on the upper end surfaces of the two cushion pads 13, the second motor 21 is started to drive the second gear 22 to rotate, the second gear 22 rotates to drive the second rack 20 to move downwards, the second rack 20 drives the fixing plate 12 to move downwards, the fixing plate 12 moves downwards to enable the buttocks of the patient to move towards two sides so as to facilitate expansion of the anus, and meanwhile, the fixing plate 12 moves downwards to enable the anesthetic spraying mechanism to be started so as to facilitate full contact of anesthetic and the anus; when the patient is about to perform anal canal dilatation, the second motor 21 is started to drive the second gear 22 to rotate in the reverse direction, so that the two fixing plates 12 move upwards to close the buttocks of the patient, thereby facilitating anal canal dilatation and protecting the anus from large stretching force.

As shown in fig. 1 and fig. 6, the anesthetic spraying mechanism includes a fixing block 46 fixedly disposed on the upper end surface of the housing 11, a sealing cavity 38 is disposed in the fixing block 46, the sealing cavity 38 is communicated with the outside through a first air inlet valve 40, a second piston 41 is slidably and sealingly disposed in the sealing cavity 38, a stress rod 42 is fixedly disposed on the upper end surface of the second piston 41, a ball cavity 43 is disposed on the upper end surface of the stress rod 42, a ball 45 is rollingly disposed in the ball cavity 43, the ball 45 is disposed below the right lifting device fixing plate 12, a communicating cavity 37 is disposed in the fixing block 46, the communicating cavity 37 is connected with the sealing cavity 38 through a second air inlet valve 71, a third piston 36 is slidably and sealingly disposed in the communicating cavity 37, and an atomizing spray head 33 is fixedly disposed on the upper end surface of the fixing block 46.

As shown in fig. 1, a sealing ring 14 is fixedly arranged on the upper end surface of the housing 11, the right end surface of the sealing ring 14 is connected with the left end surface of the fixing block 46, and the upper side of the sealing ring 14 is fixedly connected with the lower end surface of the left fixing plate 12.

When the fixing plate 12 moves downwards, the fixing plate 12 drives the ball 45 to move downwards, the ball 45 drives the stress rod 42 to move downwards, the stress rod 42 drives the second piston 41 to move downwards to enable the gas in the sealing cavity 38 to enter the communicating cavity 37, the pressure in the communicating cavity 37 is increased, the third piston 36 moves upwards, the anesthetic on the upper side of the third piston 36 is sprayed to the local part of a patient through the atomizing spray head 33, when the fixing plate 12 moves upwards, the outside air enters the sealing cavity 38, the air in the sealing cavity 38 enters the communicating cavity 37, the pressure in the communicating cavity 37 is kept balanced, dirty water generated in the treatment process enters the sealing ring 14, and after the use, only the sealing ring 14 is cleaned.

Other parts in the present invention are not described in detail for the prior art.

Claims

1. The utility model provides a stomach surgery is with anus fissure prophase adjunctie therapy mechanism, includes casing (11), its characterized in that: the device is characterized in that a working cavity (16) is arranged on the shell (11), a treatment device is arranged in the working cavity (16), two lifting devices are symmetrically arranged on the left side and the right side of the treatment device, an anesthetic injection mechanism is arranged below the lifting devices, the treatment device comprises a first rack (60) which is arranged in the working cavity (16) in a sliding manner, a first motor (25) is fixedly arranged on the front end wall of the working cavity (16), a first gear (26) is fixedly arranged on the output shaft end of the first motor (25), the first gear (26) is meshed with the first rack (60), a hollow column (61) is fixedly arranged on the upper end surface of the first rack (60), a rolling cavity (49) is formed in the upper end surface of the hollow column (61), a sliding cavity (68) is formed in the lower end wall of the rolling cavity (49), a lubricant placing cavity (53) is formed in the lower end wall of the sliding cavity (68), a plurality of liquid discharge one-way valves (67) are uniformly arranged on the circumference of the inner wall of the lubricant containing cavity (53), a first piston (52) is arranged in the lubricant containing cavity (53) in a sliding and sealing mode, a connecting rod (51) is fixedly arranged on the upper end face of the first piston (52), an arc shell (48) is fixedly arranged on the upper end face of the connecting rod (51), the lower end face of the arc shell (48) is connected with the lower end wall of the rolling cavity (49) through a first spring (50), and balls (47) are arranged on the upper end face of the arc shell (48) in a rolling mode;

the treatment device also comprises an expansion cavity (54) arranged in the hollow column (61), a third motor (55) is fixedly arranged on the inner wall of the right side of the expansion cavity (54), a first bevel gear (73) is fixedly arranged on the output shaft of the third motor (55), two groups of sliding assemblies are symmetrically arranged on the front and back of the inner wall of the expansion cavity (54), each sliding assembly comprises a sliding assembly which is symmetrically arranged on the inner wall of the expansion cavity (54) from top to bottom, each sliding assembly comprises a sliding groove (57) arranged on the inner wall of the expansion cavity (54), a convex block (58) is arranged in the sliding groove (57) in a sliding manner, the convex block (58) is connected with the inner wall of the sliding groove (57) through a second spring (66), an expansion plate (62) is fixedly arranged on the lower end face of the convex block (58), a middle column (64) is fixedly arranged on one side face, close to each other, of the expansion plate (62), and a worm tooth arrangement cavity (69) is arranged in the middle column (64), be equipped with worm (63) in worm gear arrangement cavity (69), worm (63) with worm gear arrangement cavity (69) inner wall worm cooperation tooth meshing, two a terminal surface that worm (63) are close to each other is fixed and is equipped with a second bevel gear (65), second bevel gear (65) with first bevel gear (73) meshing, two a terminal surface that expansion plate (62) vertical direction is close to each other is fixed connection respectively and is equipped with rubber piece (56), terminal surface about rubber piece (56) with end wall connection about expansion cavity (54), rubber piece (56) are elastic material atress flexible, working chamber (16) upside inner wall is fixed and is equipped with elastic sealing pad (15), be equipped with through-hole (70) on elastic sealing pad (15).

2. The pre-anal fissure adjunctive treatment mechanism for gastrointestinal surgery according to claim 1, wherein: the lifting device comprises an inclined cavity (17) arranged on a shell (11), the inclined cavity (17) is arranged in an inclined mode, the upper side opening of the inclined cavity (17) inclines towards one side close to the vertical central line of the shell (11), a second rack (20) is arranged in the inclined cavity (17) in a sliding mode, a second motor (21) is fixedly arranged on the front end wall of the inclined cavity (17), a second gear (22) is fixedly arranged at the output shaft end of the second motor (21), the second gear (22) is meshed with the second rack (20), one end face of the second rack (20) is connected with the inner wall of the inclined cavity (17) through a third spring (18), a fixing plate (12) is fixedly arranged on the other end face of the second rack (20), a cushion pad (13) is fixedly arranged on the upper end face of the fixing plate (12), and a positioning groove (31) is formed in one end face, far away from the second rack (20), slide in constant head tank (31) and be equipped with locating pin (30), a locating pin (30) terminal surface with constant head tank (31) inner wall passes through fourth spring (32) and connects, rotation chamber (29) have been seted up to locating pin (30) another terminal surface, it is equipped with roll pearl (28) to rotate the interior roll of chamber (29), a plurality of locating holes (19) have evenly been seted up along its length direction to slope chamber (17) inner wall, roll pearl (28) with one of them counterbalance of locating hole (19).

3. The pre-anal fissure adjunctive treatment mechanism for gastrointestinal surgery according to claim 1, wherein: the anesthetic injection mechanism comprises a fixed block (46) fixedly arranged on the upper end face of a shell (11), a sealed cavity (38) is arranged in the fixed block (46), the sealed cavity (38) is communicated with the outside through a first air inlet valve (40), a second piston (41) is arranged in the sealed cavity (38) in a sliding sealing manner, a stress rod (42) is fixedly arranged on the upper end face of the second piston (41), a ball cavity (43) is formed in the upper end face of the stress rod (42), a ball (45) is arranged in the ball cavity (43) in a rolling manner, the ball (45) is located on the right side below the lifting device fixing plate (12), a communicating cavity (37) is arranged in the fixed block (46), the communicating cavity (37) is connected with the sealed cavity (38) through a second air inlet valve (71), a third piston (36) is arranged in the communicating cavity (37) in a sliding sealing manner, and an atomizing spray head (33) is fixedly arranged on the upper end surface of the fixing block (46).

4. The pre-anal fissure adjunctive treatment mechanism for gastrointestinal surgery as claimed in claim 3, wherein: casing (11) up end is fixed and is equipped with a sealing washer (14), sealing washer (14) right-hand member face with fixed block (46) left end face is connected, sealing washer (14) upside and left side terminal surface fixed connection under fixed plate (12).