CN112869788B

CN112869788B - Operation channel convenient to angle regulation and convenient to fix

Info

Publication number: CN112869788B
Application number: CN202110186134.7A
Authority: CN
Inventors: 金富康; 沈礼宝
Original assignee: Suzhou Frankenman Medical Equipment Co Ltd
Current assignee: Suzhou Frankenman Medical Equipment Co Ltd
Priority date: 2021-02-15
Filing date: 2021-02-15
Publication date: 2022-02-11
Anticipated expiration: 2041-02-15
Also published as: CN112869788A

Abstract

The invention discloses an operation channel convenient for angle adjustment and convenient for fixation, which belongs to the technical field of operation channels and comprises a channel body, wherein a steering mechanism is arranged on the outer side of the channel body, a fixed pipe is fixedly connected to the left side surface of the steering mechanism, a shaft sleeve is sleeved on the outer side of the fixed pipe, an installation mechanism is fixedly connected to the outer side of the shaft sleeve, and a deformation pipe is fixedly connected to the left side surface of the installation mechanism. According to the invention, through the arrangement of the steering mechanism, the channel body can rotate in the fixing ring under the action of the rotating shaft and the bearing, so that a certain angle can be adjusted, through the arrangement of the second sliding block and the second sliding groove, the left end of the channel body can move back and forth and can be adjusted at will under the action of the second sliding block and the second sliding groove, the angle of the channel body can be adjusted at the moment, the position is required to be adjusted to directly control the second sliding block to move, and under the action of the arc-shaped groove and the groove, the second sliding block can extrude the arc-shaped block, so that the arc-shaped block can slightly move, and the position of the second sliding block can be adjusted normally.

Description

Operation channel convenient to angle regulation and convenient to fix

Technical Field

The invention belongs to the technical field of operation channels, and particularly relates to an operation channel convenient to adjust an angle and fix.

Background

The operation channel is suitable for being inserted into the operation channel after the skull hole is opened in the brain surgery, and the exposed operation visual field establishes a channel path for the operation.

Operation passageway need utilize fixing device to fix, however current fixing device is comparatively troublesome, need utilize buckle and bolt isotructure to cooperate fixedly, not only the structure is complicated and complex operation, bring a great deal of inconvenience for clinical work, the key moment can cause certain delay to the treatment constantly, the operation in-process probably needs to adjust the position of operation passageway according to actual conditions simultaneously, current fixing device's diversion effect is relatively poor, the accommodation is less and have great restriction when adjusting, bring certain inconvenience for treatment work, operation passageway among the prior art is inside to accumulate dirty easily in the use simultaneously, the clearance disinfection process of passageway is comparatively troublesome and the clearance effect is relatively poor, bring certain inconvenience for the reuse of passageway.

Disclosure of Invention

The invention aims to: in order to solve the problems that the prior operation channel needs to be fixed by a fixing device, but the prior fixing device is troublesome, needs to be matched and fixed by structures such as buckles, bolts and the like, has complex structure and complex operation, brings inconvenience to clinical work, can possibly delay treatment at key moment, meanwhile, the position of the operation channel can be adjusted according to the actual situation in the operation process, the existing fixing device has poor direction changing effect, small adjusting range and large limitation in adjustment, brings certain inconvenience to the treatment work, meanwhile, the operation channel in the prior art is easy to accumulate dirt inside in the using process, the cleaning and disinfection process of the channel is troublesome, the cleaning effect is poor, certain inconvenience is brought to the reutilization of the channel, and the convenient-to-fix operation channel convenient for angle adjustment is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an operation passageway convenient to it is fixed convenient to angle regulation, includes the passageway body, the outside of passageway body is provided with steering mechanism, and steering mechanism's the fixed pipe of left surface fixedly connected with, the outside cover of fixed pipe is equipped with the axle sleeve, the outside fixedly connected with installation mechanism of axle sleeve, and the left surface fixedly connected with deformation pipe of installation mechanism, the other end fixedly connected with spring clamp of deformation pipe, the outside cover of fixed pipe is equipped with positioning mechanism, and positioning mechanism's a part is located the inside of passageway body.

As a further description of the above technical solution:

steering mechanism is including seting up the first spout at passageway body upper and lower both sides face, and sliding connection has first slider in the first spout, and the looks separating surface of two first sliders all articulates there is the second slider, and second slider sliding connection is in the second spout, and two second spouts are seted up respectively at the upper and lower both sides face of frame inner wall.

As a further description of the above technical solution:

the upper and lower both sides face of frame all is provided with the roof, and the four corners department of roof side all is connected through the fixed surface of second spring with the frame, a plurality of arc pieces of roof side fixedly connected with, the through hole that the arc piece runs through the frame surface and offers, and in the recess that the arc piece card was gone into to second slider side was offered, the recess inner wall was the cambered surface form, the arc wall has all been seted up to both sides around the second slider upper surface.

As a further description of the above technical solution:

the equal joint in both sides has the sliding sleeve around the frame right flank, and the sliding sleeve endotheca is equipped with the slide bar, and two slide bars are fixed connection respectively at the front and back both sides face of retainer plate, and the retainer plate endotheca is equipped with the passageway body, the equal fixedly connected with pivot of the upper and lower both sides face of passageway body, and the pivot endotheca is equipped with the bearing, and two bearings joint are respectively at the upper and lower both sides face of retainer plate inner wall.

As a further description of the above technical solution:

the installation mechanism comprises two shells, the shells are fixedly connected to the outer surface of the shaft sleeve, the two shells are communicated with each other through two connecting pipes, lifting plates are arranged in the shells, opposite surfaces of the two lifting plates are fixedly connected with opposite surfaces of the inner walls of the two shells through a plurality of first springs respectively, and fixing rods are fixedly connected to the left side and the right side of the opposite surfaces of the two lifting plates.

As a further description of the above technical solution:

the other end fixedly connected with of dead lever dials the piece, dials the piece and is located the stir hole that a connecting pipe side was seted up, lifts the equal fixedly connected with a plurality of inserted blocks of the face of keeping away from of two looks lift boards, and the other end of inserted block runs through the surface of shell and blocks into to the slot in, and a plurality of slots are seted up respectively at the upper and lower both sides face of U-shaped inboard wall.

As a further description of the above technical solution:

the outside fixedly connected with of deformation pipe is smoothed out with fingers straight mechanism, smooth out with fingers straight mechanism and include the fixed plate of joint at deformation outside of tubes surface joint, the upper surface of fixed plate rotates and is connected with the threaded rod, and the piece is twisted to the top fixedly connected with of threaded rod, and the surface threaded connection of threaded rod has the screw cap, and the fixed cover of connection piece fixedly connected with is passed through to the surface of screw cap, and fixed cover is established in the outside of deformation pipe.

As a further description of the above technical solution:

the positioning mechanism comprises an external thread formed on the outer surface of the channel body, the outer side of the channel body is connected with a thread ring through the external thread, the right side surface of the thread ring is fixedly connected with an extrusion sleeve, and the extrusion sleeve is in a circular truncated cone shape.

As a further description of the above technical solution:

positioning mechanism is provided with the kicking block in still including seting up the through-hole at passageway body surface in the through-hole, and the one end of kicking block is convex, the other end fixedly connected with fixture block of kicking block, and the fixture block card is gone into to the draw-in groove that inner tube outer wall opened and shut, and the inner tube setting is at the passageway originally internally, the equal fixedly connected with third slider of both sides face around the kicking block, and third slider sliding connection is in the spout, and two spouts are seted up respectively at the both sides face around the through-hole inner wall, and the lower surface of third slider passes through the lower fixed surface of third spring and spout inner wall and is connected.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, by arranging the steering mechanism, the channel body can rotate in the fixed ring under the action of the rotating shaft and the bearing so as to adjust a certain angle, by arranging the second sliding block and the second sliding groove, the left end of the channel body can move back and forth and can be adjusted freely under the action of the second sliding block and the second sliding groove, the angle of the channel body can be adjusted at the moment, by arranging the first sliding block and the first sliding groove, the rotation of the channel body can not be influenced under the matching action of the first sliding block and the first sliding groove, by arranging the second spring and the top plate, the second spring contracts through self elasticity, the top plate can be pulled to move at the moment, the arc-shaped block can be driven to move by the movement of the top plate, and the arc-shaped block can be clamped into the groove, so that the second sliding block can be effectively fixed, the channel body can be kept at a certain position after being adjusted, the stability of the channel body is improved, and the influence on the operation is avoided, through setting up the arc wall, need the removal of adjustment position direct control second slider, under the effect of arc wall and recess, the second slider can be to the extrusion of arc piece, thereby lets the arc piece produce small removal and make the position of second slider can normally be adjusted.

2. According to the invention, the sliding rod and the sliding sleeve are arranged, the fixing ring can stably displace under the action of the sliding rod and the sliding sleeve, so that the channel body 1 can be adjusted for a certain distance along the length direction of the channel body, the angle adjustment of the channel body cannot be influenced, the channel body can rotate under the action of the shaft sleeve and the fixing pipe, and the angle of the channel body can be better adjusted by changing the shape of the pipe through the arrangement of the deformation pipe and the mutual matching.

3. According to the invention, by arranging the mounting mechanism, when the two shifting blocks are pressed to be close to each other, the two fixed rods can respectively pull the two lifting plates to be close to each other, the insertion blocks on the upper side and the lower side can be close to each other at the moment, so that the insertion blocks can be separated from the jacks, finally, the shell can be separated from the U-shaped plate and taken out, by arranging the first spring, the first spring can extend through self elasticity, so that the lifting plates can be jacked to move, the lifting plates are provided with the shifting blocks to stably insert into the jacks, at the moment, the shell can be fixed in the U-shaped plate, so that the mounting and dismounting can be realized by pressing the shifting blocks, the mounting of the channel body is greatly facilitated, by arranging the spring clamps, the spring clamps can be fixed on one side of a sickbed, and the U-shaped plate can be placed for a long time and used at any time without being recovered.

4. According to the invention, by arranging the positioning mechanism, the inner pipe can be arranged in the channel body, when an instrument passes through the channel body, attached dirt can be in contact with the inner pipe and stays in the inner pipe, the extrusion sleeve can be driven to move when the threaded ring is rotated, the extrusion sleeve can not extrude the ejecting block any more at the moment, so that the third spring can extend through the elasticity of the third spring, the third slider can drive the ejecting block to move, the clamping block can be separated from the clamping groove and can not fix the inner pipe, the inner pipe can be taken out of the channel body and replaced, and by arranging the third slider and the third sliding groove, the ejecting block can stably move along the track under the action of the positioning mechanism and can not be influenced.

5. According to the invention, the straightening mechanism is arranged, the screwing block can be screwed to drive the threaded column to rotate, the threaded column can be driven to move up and down when rotating, the threaded cap can be driven to move up and down to drive the fixing sleeve to move up and down at the moment, the fixing sleeve can be moved up and down to straighten the deformed pipe, the deformed pipe is recovered to the initial position to be conveniently stored, the fixing sleeve can be fixed when moving to the top, and the deformed pipe is prevented from being deformed when being placed for a long time.

Drawings

FIG. 1 is a schematic perspective view of an easy-to-fix surgical tunnel with an adjustable angle according to the present invention;

FIG. 2 is a schematic cross-sectional view of a three-dimensional mounting mechanism in an operation channel convenient for angle adjustment and fixation according to the present invention;

FIG. 3 is a schematic perspective sectional view of a steering mechanism in an operation channel convenient for angle adjustment and fixation according to the present invention;

FIG. 4 is a schematic perspective view of a U-shaped plate in an operation channel convenient for angle adjustment and fixation according to the present invention;

FIG. 5 is a schematic perspective view of a top plate of an operation channel convenient for angle adjustment and fixation according to the present invention;

FIG. 6 is a schematic cross-sectional side view of a channel body of an easily adjustable and fixable surgical channel according to the present invention;

fig. 7 is an enlarged schematic structural diagram of a surgical tunnel a convenient for fixing and angle adjustment according to the present invention.

Illustration of the drawings:

1. a channel body; 2. a fixed tube; 3. a shaft sleeve; 4. an installation mechanism; 41. a housing; 42. a connecting pipe; 43. a shifting block; 44. fixing the rod; 45. a U-shaped plate; 46. inserting a block; 47. lifting the plate; 48. a first spring; 49. a jack; 5. deforming the tube; 6. a straightening mechanism; 61. a threaded rod; 62. a threaded cap; 63. fixing a sleeve; 64. a fixing plate; 7. a spring clip; 8. a steering mechanism; 81. a top plate; 82. a first slider; 83. a second slider; 84. a frame; 85. a stationary ring; 86. a slide bar; 87. a groove; 88. an arc-shaped slot; 89. an arc-shaped block; 810. a second spring; 9. a positioning mechanism; 91. a thread ring; 92. extruding a sleeve; 93. a top block; 94. a third slider; 95. a third spring; 96. an inner tube; 97. and (7) clamping blocks.

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. 1-7, the present invention provides a technical solution: the utility model provides an operation passageway convenient to fixed convenient to angle regulation, includes passageway body 1, the outside of passageway body 1 is provided with steering mechanism 8, and steering mechanism 8's the fixed pipe 2 of left surface fixedly connected with, the outside cover of fixed pipe 2 is equipped with axle sleeve 3, and the outside fixedly connected with installation mechanism 4 of axle sleeve 3, the left surface fixedly connected with deformation pipe 5 of installation mechanism 4, the other end fixedly connected with spring clamp 7 of deformation pipe 5, the outside fixedly connected with of deformation pipe 5 straightens out mechanism 6, the outside cover of fixed pipe 2 is equipped with positioning mechanism 9, and a part of positioning mechanism 9 is located the inside of passageway body 1.

Specifically, the steering mechanism 8 includes first sliding grooves formed in the upper and lower side surfaces of the channel body 1, the first sliding grooves are slidably connected with first sliding blocks 82, the facing surfaces of the two first sliding blocks 82 are hinged with second sliding blocks 83, the second sliding blocks 83 are slidably connected in the second sliding grooves, the two second sliding grooves are respectively formed in the upper and lower side surfaces of the inner wall of the frame 84, the upper and lower side surfaces of the frame 84 are respectively provided with a top plate 81, four corners of one side surface of the top plate 81 are fixedly connected with the outer surface of the frame 84 through second springs 810, one side surface of the top plate 81 is fixedly connected with a plurality of arc-shaped blocks 89, the arc-shaped blocks 89 penetrate through holes formed in the outer surface of the frame 84, the arc-shaped blocks 89 are clamped into grooves 87 formed in one side surface of the second sliding blocks 83, the inner wall of the groove 87 is arc-shaped, the front and rear sides of the upper surface of the second sliding blocks 83 are respectively provided with arc-shaped grooves 88, the front and rear sides of the right side surface of the frame 84 are respectively clamped with sliding sleeves, the sliding sleeve is internally sleeved with a sliding rod 86, the two sliding rods 86 are respectively and fixedly connected with the front side surface and the rear side surface of the fixing ring 85, the fixing ring 85 is internally sleeved with a channel body 1, the upper side surface and the lower side surface of the channel body 1 are fixedly connected with rotating shafts, the rotating shafts are internally sleeved with bearings, the two bearings are respectively clamped on the upper side surface and the lower side surface of the inner wall of the fixing ring 85, through the arrangement of a steering mechanism 8, the channel body 1 can rotate in the fixing ring 85 under the action of the rotating shafts and the bearings, so that a certain angle can be adjusted, through the arrangement of a second sliding block 83 and a second sliding groove, the left end of the channel body 1 can move back and forth and can be adjusted at will under the action of the second sliding block 83 and the second sliding groove, at the moment, the angle of the channel body 1 can be adjusted, through the arrangement of the first sliding block 82 and the first sliding groove, under the matching action, the rotation of the channel body 1 cannot be influenced, through the arrangement of the second spring 810 and the top plate 81, the second spring 810 contracts through self elasticity, at the moment, the top plate 81 can be pulled to move, the top plate 81 can move to drive the arc-shaped blocks 89 to move, and the arc-shaped block 89 can be snapped into the groove 87, so that the second slider 83 can be effectively fixed, thereby keeping the channel body 1 at a certain position after adjustment, improving the stability of the channel body 1 and avoiding the influence on the operation, the second sliding block 83 is directly controlled to move by adjusting the position through the arc-shaped groove 88, under the action of the arc-shaped groove 88 and the groove 87, the second sliding block 83 can extrude the arc-shaped block 89, so that the arc-shaped block 89 can slightly move, the position of the second sliding block 83 can be normally adjusted, and by arranging the sliding rod 86 and the sliding sleeve, under the action of the elastic force, the fixing ring 85 can be stably displaced, so that the channel body 1 can be adjusted by a certain distance along the length direction of the channel body, and the angle adjustment of the channel body 1 cannot be influenced.

Specifically, the mounting mechanism 4 includes two housings 41, the housings 41 are fixedly connected to the outer surface of the shaft sleeve 3, the two housings 41 are communicated with each other through two connecting pipes 42, a lifting plate 47 is disposed in each housing 41, opposite surfaces of the two lifting plates 47 are respectively and fixedly connected to opposite surfaces of inner walls of the two housings 41 through a plurality of first springs 48, fixing rods 44 are respectively and fixedly connected to left and right sides of the opposite surfaces of the two lifting plates 47, the other end of each fixing rod 44 is fixedly connected with a toggle block 43, the toggle block 43 is located in a toggle hole formed in one side surface of the connecting pipe 42, far surfaces of the two lifting plates 47 are respectively and fixedly connected with a plurality of insert blocks 46, the other ends of the insert blocks 46 penetrate through the outer surface of the housing 41 and are clamped into the insert grooves, the insert grooves are respectively formed in upper and lower side surfaces of the inner wall of the U-shaped plate 45, and when the two toggle blocks 43 are pressed to approach each other through the mounting mechanism 4, two dead levers 44 can stimulate two respectively and lift board 47 and be close to each other, the inserted block 46 of both sides can be close to each other about this moment, thereby make inserted block 46 can break away from jack 49, last shell 41 can break away from U-shaped board 45 and taken out, through setting up first spring 48, first spring 48 can be through self elasticity extension, thereby can push up and lift board 47 and remove, lift board 47 drives inserting that inserted block 46 can be stable and inserts to jack 49 in, shell 41 can be fixed in U-shaped board 45 this moment, can realize installation and dismantlement through pressing and dialling piece 43, very big has made things convenient for the installation to passageway body 1, through setting up spring clamp 7, one side at the sick bed can be fixed to spring clamp 7, U-shaped board 45 need not retrieve and can place for a long time and use at any time.

Specifically, the straightening mechanism 6 comprises a fixing plate 64 clamped on the outer surface of the deformation pipe 5, a threaded rod 61 is rotatably connected on the upper surface of the fixing plate 64, a twisting block is fixedly connected on the top end of the threaded rod 61, a threaded cap 62 is connected on the outer surface of the threaded rod 61 in a threaded manner, a fixing sleeve 63 is fixedly connected on the outer surface of the threaded cap 62 through a connecting sheet, the fixing sleeve 63 is sleeved on the outer side of the deformation pipe 5, through the arrangement of the straightening mechanism 6, the screwing block can be screwed to drive the threaded column to rotate, the threaded column can drive the threaded cap 62 to move up and down during rotation, the threaded cap 62 can drive the fixing sleeve 63 to move up and down during up and down movement, the fixing sleeve 63 can straighten the deformation pipe 5 by moving up and down, so that the deformation pipe 5 is restored to the initial position to be convenient to store, and fixed cover 63 can fix deformation pipe 5 when removing to the top, avoids deformation pipe 5 to produce deformation when placing for a long time.

Specifically, the positioning mechanism 9 includes an external thread formed on the outer surface of the channel body 1, a thread ring 91 is connected to the outer side of the channel body 1 through the external thread, an extrusion sleeve 92 is fixedly connected to the right side surface of the thread ring 91, the extrusion sleeve 92 is in a circular truncated cone shape, the positioning mechanism 9 further includes a through hole formed in the outer surface of the channel body 1, an ejector block 93 is arranged in the through hole, one end of the ejector block 93 is in a circular arc shape, a fixture block 97 is fixedly connected to the other end of the ejector block 93, the fixture block 97 is clamped into a clamping groove formed in the outer wall of an inner tube 96, the inner tube 96 is arranged in the channel body 1, third sliding blocks 94 are fixedly connected to the front side surface and the rear side surface of the ejector block 93, the third sliding blocks 94 are slidably connected to sliding grooves, the two sliding grooves are respectively formed in the front side surface and the rear side surface of the inner wall of the through hole, the lower surface of the third sliding blocks 94 is fixedly connected to the lower surface of the inner wall of the sliding grooves through a third spring 95, and by arranging the positioning mechanism 9, wherein the inner tube 96 can be in passageway body 1, when the apparatus passes through in passageway body 1, adnexed dirt can with the contact of inner tube 96 and stay in inner tube 96, can drive extrusion cover 92 removal during rotatory screw circle 91, extrusion cover 92 is no longer extrudeed kicking block 93 this moment, thereby make third spring 95 extend through self elasticity, third slider 94 can drive kicking block 93 and remove this moment, and then make fixture block 97 can break away from the draw-in groove and no longer fix inner tube 96, can take out inner tube 96 from passageway body 1 at last and change, through setting up third slider 94 and third spout, kicking block 93 can just can not receive the influence along the stable removal of orbit under its effect.

The working principle is as follows: when the adjustable angle type medical instrument is used, the spring clamp 7 is fixed on one side of a sickbed, when the angle is required to be adjusted, the second sliding block 83 is shifted to move in the second sliding groove, under the action of the second sliding block, the left end of the channel body 1 can move back and forth and can be adjusted at will, under the action of the rotating shaft and the bearing, the channel body 1 can rotate in the fixing ring 85, the angle of the channel body 1 can be adjusted, the second spring 810 contracts through self elasticity, the top plate 81 can be pulled to move, the top plate 81 can move to drive the arc-shaped block 89 to move, the arc-shaped block 89 can be clamped into the groove 87, so that the second sliding block 83 can be effectively fixed, the channel body 1 can be adjusted to keep a certain position, the influence on the operation is avoided, when the operation is finished and needs to be disassembled, when the two shifting blocks 43 are pressed to be close to each other, the two fixing rods 44 can respectively pull the two lifting plates 47 to be close to each other, at this moment, the insertion blocks 46 on the upper side and the lower side can be close to each other, so that the insertion blocks 46 can be separated from the insertion holes 49, finally, the shell 41 can be separated from the U-shaped plate 45 and taken out, otherwise, during installation, the first spring 48 can extend through self elasticity, so that the lifting plate 47 can be jacked to move, the lifting plate 47 drives the insertion blocks 46 to be stably inserted into the insertion holes 49, at this moment, the shell 41 can be fixed in the U-shaped plate 45, if the inner pipe 96 is polluted in the using process, the extrusion sleeve 92 can be driven to move when the thread ring 91 is rotated, at this moment, the extrusion sleeve 92 does not extrude the ejection block 93 any more, the third spring 95 can extend through self elasticity, at this moment, the third slider 94 can drive the ejection block 93 to move, the fixture block 97 can be separated from the clamping groove and does not fix the inner pipe 96 any more, and finally, the inner pipe 96 can be taken out of the channel body 1 and replaced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The surgery channel convenient for angle adjustment and convenient to fix comprises a channel body (1) and is characterized in that a steering mechanism (8) is arranged on the outer side of the channel body (1), a left side face of the steering mechanism (8) is fixedly connected with a fixed tube (2), a shaft sleeve (3) is sleeved on the outer side of the fixed tube (2), an installation mechanism (4) is fixedly connected to the outer side of the shaft sleeve (3), a deformation tube (5) is fixedly connected to the left side face of the installation mechanism (4), a spring clamp (7) is fixedly connected to the other end of the deformation tube (5), a positioning mechanism (9) is sleeved on the outer side of the fixed tube (2), and one part of the positioning mechanism (9) is located inside the channel body (1);

the mounting mechanism (4) comprises two shells (41), the shells (41) are fixedly connected to the outer surface of the shaft sleeve (3), the two shells (41) are communicated through two connecting pipes (42), lifting plates (47) are arranged in the shells (41), opposite surfaces of the two lifting plates (47) are respectively and fixedly connected with opposite surfaces of the inner walls of the two shells (41) through a plurality of first springs (48), and fixing rods (44) are fixedly connected to the left side and the right side of the opposite surfaces of the two lifting plates (47);

the other end fixedly connected with of dead lever (44) dials piece (43), dials piece (43) and is located the stirring hole that a connecting pipe (42) side was seted up, lifts the equal fixedly connected with a plurality of inserted blocks (46) of the face of keeping away from of two mutually of board (47), and the other end of inserted block (46) runs through the surface of shell (41) and blocks into to the slot in, and a plurality of slots are seted up respectively at the upper and lower both sides face of U-shaped board (45) inner wall.

2. The convenient-to-fix operation channel convenient for angle adjustment is characterized in that the steering mechanism (8) comprises first sliding grooves formed in the upper side surface and the lower side surface of the channel body (1), first sliding blocks (82) are connected in the first sliding grooves in a sliding mode, two far surfaces of the first sliding blocks (82) are hinged to second sliding blocks (83), the second sliding blocks (83) are connected in the second sliding grooves in a sliding mode, and the two second sliding grooves are formed in the upper side surface and the lower side surface of the inner wall of the frame (84) respectively.

3. The convenient-to-fix surgical channel convenient to adjust the angle is characterized in that top plates (81) are arranged on the upper side surface and the lower side surface of each frame (84), four corners of one side surface of each top plate (81) are fixedly connected with the outer surface of each frame (84) through second springs (810), a plurality of arc-shaped blocks (89) are fixedly connected to one side surface of each top plate (81), each arc-shaped block (89) penetrates through a through hole formed in the outer surface of each frame (84), each arc-shaped block (89) is clamped into a groove (87) formed in one side surface of each second sliding block (83), the inner wall of each groove (87) is arc-shaped, and arc-shaped grooves (88) are formed in the front side and the rear side surface of the second sliding block (83).

4. The convenient-to-fix surgical channel convenient for angle adjustment according to claim 3, wherein sliding sleeves are respectively clamped on the front side and the rear side of the right side of the frame (84), sliding rods (86) are sleeved in the sliding sleeves, the two sliding rods (86) are respectively fixedly connected to the front side and the rear side of the fixing ring (85), the channel body (1) is sleeved in the fixing ring (85), rotating shafts are respectively fixedly connected to the upper side and the lower side of the channel body (1), bearings are sleeved in the rotating shafts, and the two bearings are respectively clamped on the upper side and the lower side of the inner wall of the fixing ring (85).

5. The convenient-to-fix surgical channel convenient for angle adjustment is characterized in that a straightening mechanism (6) is fixedly connected to the outer side of the deformation tube (5), the straightening mechanism (6) comprises a fixing plate (64) clamped to the outer surface of the deformation tube (5), a threaded rod (61) is rotatably connected to the upper surface of the fixing plate (64), a screwing block is fixedly connected to the top end of the threaded rod (61), a threaded cap (62) is connected to the outer surface of the threaded rod (61) in a threaded manner, a fixing sleeve (63) is fixedly connected to the outer surface of the threaded cap (62) through a connecting piece, and the fixing sleeve (63) is sleeved on the outer side of the deformation tube (5).

6. The operation channel convenient for angle adjustment and convenient for fixation as claimed in claim 4, wherein the positioning mechanism (9) comprises an external thread formed on the outer surface of the channel body (1), a thread ring (91) is connected to the outer side of the channel body (1) through the external thread, an extrusion sleeve (92) is fixedly connected to the right side surface of the thread ring (91), and the extrusion sleeve (92) is in a circular truncated cone shape.

7. The convenient-to-fix operation channel convenient to adjust the angle is characterized in that the positioning mechanism (9) further comprises a through hole formed in the outer surface of the channel body (1), an ejector block (93) is arranged in the through hole, one end of the ejector block (93) is in the shape of a circular arc, a fixture block (97) is fixedly connected to the other end of the ejector block (93), the fixture block (97) is clamped into a clamping groove formed in the outer wall of an inner tube (96) in an opening and closing mode, the inner tube (96) is arranged in the channel body (1), third sliding blocks (94) are fixedly connected to the front side surface and the rear side surface of the ejector block (93), the third sliding blocks (94) are slidably connected into sliding grooves, the two sliding grooves are respectively formed in the front side surface and the rear side surface of the inner wall of the through hole, and the lower surface of the third sliding blocks (94) is fixedly connected with the lower surface of the inner wall of the sliding grooves through a third spring (95).