CN113229967B

CN113229967B - Guide plate fixing device is planted in oral cavity

Info

Publication number: CN113229967B
Application number: CN202110505419.2A
Authority: CN
Inventors: 梅盛林; 屠军波; 韩影; 郝一平; 杜文治; 郭彦
Original assignee: Hospital of Stomatology of Xian Jiaotong University
Current assignee: Hospital of Stomatology of Xian Jiaotong University
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-06-21
Anticipated expiration: 2041-05-10
Also published as: CN113229967A

Abstract

The invention discloses an oral implantation guide plate fixing device which comprises a guide plate arranged on the upper part of an alveolar bone, wherein alveolar ridge mucous membranes are arranged on the surface of the alveolar bone, a plurality of threaded nails are embedded in threads on the alveolar bone, a plurality of first grooves are formed in the top of the guide plate, openings are formed in the front sides and the rear sides of the first grooves, the bottom ends of the threaded nails extend into the corresponding first grooves, nuts are fixedly sleeved on the threaded nails, quick fixing mechanisms are arranged on the threaded nails, and a plurality of fine adjustment mechanisms matched with the corresponding quick fixing mechanisms are arranged on the guide plate. The guide plate fixing device is reasonable in design, facilitates fine adjustment of the transverse position of the hemispherical block according to actual conditions, does not need to take down the threaded screw for adjustment, reduces discomfort of a patient, facilitates quick fixation of the guide plate through a simple pushing mode, improves installation efficiency, meets use requirements, and is beneficial to use.

Description

Guide plate fixing device is planted in oral cavity

Technical Field

The invention relates to the technical field of oral implantation guide plate fixing equipment, in particular to an oral implantation guide plate fixing device.

Background

Digital oral implantation, it is the most advanced technology that the oral implantation at present, it relies on whole mouth CT scanning, measure the alveolar bone height, width, compactness of the edentulous position, and calculate the relevant data, the doctor confirms the optimum position planted through analyzing these three-dimensional data, including angle and depth, etc., thus realize the implant tooth and stabilize the retention, meanwhile, it can also help dentist to avoid important nerve and blood vessel while operating, thus has greatly improved the security of the planting operation, and the oral implantation guide plate is a necessary component in the oral implantation, and the oral implantation guide plate needs to use the fixing device to fix its implantation guide plate on the alveolar bone in the oral cavity;

present oral cavity planting baffle fixing device, it is not convenient for realize fast fixed to planting the baffle, present oral cavity planting baffle fixing device adopts screw thread nail and maintenance device cooperation to realize the fixed to planting the baffle mostly, fixed inefficiency, and fix back on the alveolar bone in advance at the screw thread nail, be not convenient for finely tune the lateral position of maintenance device, at fixed in-process, there is often maintenance device and screw thread nail to have the lateral position deviation to cause unable fixed phenomenon, it pulls out the screw thread nail and installs again to need personnel, this kind of fixed mode is wasted time and energy, and pull out the mode of installation again and bring the discomfort for the patient, can not satisfy the user demand, therefore we have proposed an oral cavity planting baffle fixing device and have been used for solving above-mentioned problem.

Disclosure of Invention

Based on the technical problems in the prior art, the invention provides an oral implantation guide plate fixing device.

The invention provides an oral implantation guide plate fixing device which comprises a guide plate arranged on the upper part of an alveolar bone, wherein alveolar ridge mucous membranes are arranged on the surface of the alveolar bone, a plurality of threaded nails are embedded in threads on the alveolar bone, a plurality of first grooves are formed in the top of the guide plate, openings are formed in the front side and the rear side of each first groove, the bottom ends of the threaded nails extend into the corresponding first grooves, nuts are fixedly sleeved on the threaded nails, quick fixing mechanisms are arranged on the threaded nails, and a plurality of fine adjustment mechanisms matched with the corresponding quick fixing mechanisms are arranged on the guide plate.

Preferably, the quick fastening mechanism comprises an embedded groove arranged at the bottom end of the threaded nail, a hemispherical block is movably sleeved in the embedded groove, the bottom of the hemispherical block extends to the lower part of the corresponding threaded nail, a rectangular clamping block is fixedly connected to the top of the hemispherical block, a first rectangular groove is arranged on the inner wall of the top of the embedded groove, the top of the rectangular clamping block extends to the corresponding first rectangular groove, an inclined plane is arranged at the top of the right side of the rectangular clamping block, a clamping groove is arranged at the right side of the rectangular clamping block, a clamping rod is movably clamped in the clamping groove, a ball is embedded at the left end of the clamping rod, the ball is matched with the inclined plane on the corresponding rectangular clamping block, a second rectangular groove is arranged at the bottom of the right side of the threaded nail, the right end of the clamping rod extends to the corresponding second rectangular groove and is fixedly connected with a moving block, two rectangular rods are fixedly connected to the left side of the moving block, the clamping rod is positioned between the two corresponding rectangular rods, two sleeves are fixedly connected to the inner wall of the second rectangular groove far away from the opening of the second rectangular groove, the sleeve pipe slip cap is established on the rectangle pole that corresponds, fixedly connected with spring between the left end of rectangle pole and the left side inner wall of the second rectangular channel that corresponds, and the spring is located the intraductal that corresponds, and the right side of movable block is parallel and level with the right side of the screw nail that corresponds, and the right side fixedly connected with shackle of movable block.

Preferably, fine-tuning rotates between the both sides inner wall in second groove including seting up the second groove on first tank bottom inner wall and installing the screw rod, and threaded sleeve is equipped with the removal seat on the screw rod, removes the top of seat and the bottom fixed connection of the hemisphere piece that corresponds, removes seat slidable mounting on the bottom inner wall in the second groove that corresponds, removes to fix the cover on the seat and is equipped with the gear, and the top of gear extends to the first inslot that corresponds, and three gear matching is provided with same rack, the top fixedly connected with push rod of rack.

Preferably, the upper part of the alveolar bone is provided with a plurality of thread grooves, the thread grooves are in threaded connection with corresponding thread nails, and the alveolar ridge mucous membrane is movably sleeved on the plurality of thread nails.

Preferably, the inner wall of the right side of the first rectangular groove is provided with a rectangular hole communicated with the corresponding second rectangular groove, and the inner wall of the rectangular hole is in sliding connection with the outer side of the corresponding clamping rod.

Preferably, the spacing hole has all been seted up on the one side inner wall that two sleeves that lie in same second rectangular channel kept away from each other, the equal fixedly connected with iron plate in one side that two rectangular poles that lie in same second rectangular channel kept away from each other, iron plate and the spacing hole sliding connection that corresponds, fixedly connected with magnet on the right side inner wall in spacing hole, the adsorption power when magnet and the contact of the iron plate that corresponds is bigger than the elasticity of spring.

Preferably, the inner walls of the two sides of the second groove are provided with rotating grooves, bearings are fixedly sleeved in the rotating grooves, and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the corresponding screws.

Preferably, one side of the movable seat is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.

Preferably, the bottom of the moving seat is provided with a T-shaped sliding groove, both sides of which are provided with openings, the inner wall of the bottom of the second groove is fixedly connected with a T-shaped sliding rail, and the T-shaped sliding groove is connected with the corresponding T-shaped sliding rail in a sliding manner.

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

when the guide plate is fixedly installed, when deviation exists between the hemispherical block and the corresponding embedded groove, the push rod and the rack are inserted into the corresponding first groove, the push rod drives the corresponding rack to be meshed with the gear, the push rod is pushed backwards or pulled forwards to drive the corresponding rack to move, the rack drives the screw rod to rotate through the corresponding gear, the screw rod drives the corresponding movable seat to move, the movable seat drives the corresponding hemispherical block to move leftwards or rightwards to be aligned with the embedded groove, and at the moment, the push rod can be moved upwards to drive the corresponding rack to be separated from the gear upwards, and the push rod is pulled out from the corresponding first groove;

the semi-ball blocks are aligned with the corresponding embedded grooves through the matching of the guide plates, the screw rods, the moving seats, the semi-ball blocks, the rectangular clamping blocks, the iron blocks, the magnets, the embedded grooves, the first rectangular grooves, the clamping rods, the rectangular grooves, the moving blocks, the hook rings, the rectangular rods, the sleeves, the springs and the limiting holes, the guide plates are pushed upwards to drive the semi-ball blocks to move upwards into the embedded grooves sequentially through the screw rods and the moving seats, the semi-ball blocks drive the corresponding rectangular clamping blocks to move upwards into the first rectangular grooves, the inclined surfaces of the rectangular clamping blocks gradually extrude the corresponding balls, the extruding force drives the balls to move rightwards, the clamping rods drive the rectangular rods to slide rightwards in the sleeves through the corresponding moving blocks and stretch the springs, when the balls are aligned with the corresponding clamping grooves, the springs drive the moving blocks to move leftwards through the corresponding rectangular rods, the movable block drives the corresponding clamping rod and the corresponding ball to move leftwards to the clamping groove, so that the guide plate is fixed, and installation is completed.

The guide plate fixing device is reasonable in design, facilitates fine adjustment of the transverse position of the hemispherical block according to actual conditions, does not need to take down the threaded screw for adjustment, reduces discomfort of a patient, facilitates quick fixation of the guide plate through a simple pushing mode, improves installation efficiency, meets use requirements, and is beneficial to use.

Drawings

FIG. 1 is a schematic sectional view of an oral implant guide plate fixture according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

fig. 4 is a schematic perspective view of a rectangular fixture block of the fixing device for an oral implantation guide plate according to the present invention.

In the figure: 100 alveolar bones, 101 guide plates, 102 alveolar ridge mucous membranes, 1 threaded nail, 2 nuts, 3 first grooves, 4 second grooves, 5 screw rods, 6 moving seats, 7 hemispherical blocks, 8 gears, 9 push rods, 10 racks, 11 rectangular fixture blocks, 12 iron blocks, 13 magnets, 14 embedded grooves, 15 first rectangular grooves, 16 clamping grooves, 17 clamping rods, 18 rectangular grooves, 19 moving blocks, 20 shackles, 21 rectangular rods, 22 sleeves, 23 springs, 24 limiting holes and 25 balls.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-4, the present embodiment provides an oral implantation guide plate fixing device, which includes a guide plate 101 disposed on an upper portion of an alveolar bone 100, wherein the surface of the alveolar bone 100 has alveolar ridge mucous membranes 102, a plurality of screw nails 1 are embedded in threads of the alveolar bone 100, a plurality of first grooves 3 are disposed at a top portion of the guide plate 101, front and rear sides of the first grooves 3 are both provided with openings, bottom ends of the screw nails 1 extend into the corresponding first grooves 3, nuts 2 are fixedly sleeved on the screw nails 1, quick fastening mechanisms are disposed on the screw nails 1, a plurality of fine adjustment mechanisms matched with the corresponding quick fastening mechanisms are disposed on the guide plate 101, the present invention has a reasonable design, facilitates fine adjustment of a transverse position of a hemispherical block 7 according to an actual situation, does not need to remove the screw nails 1 for adjustment, reduces discomfort of a patient, and facilitates quick fixation of the guide plate 101 through a simple pushing manner, the installation efficiency is improved, the use requirement is met, and the use is facilitated.

In this embodiment, the quick fastening mechanism includes an embedded groove 14 formed at the bottom end of the screw nail 1, a hemispherical block 7 is movably sleeved in the embedded groove 14, the bottom of the hemispherical block 7 extends to the lower side of the corresponding screw nail 1, a rectangular fixture block 11 is fixedly connected to the top of the hemispherical block 7, a first rectangular groove 15 is formed on the inner wall of the top of the embedded groove 14, the top of the rectangular fixture block 11 extends to the corresponding first rectangular groove 15, an inclined surface is formed at the top of the right side of the rectangular fixture block 11, a clamping groove 16 is formed at the right side of the rectangular fixture block 11, a clamping rod 17 is movably clamped in the clamping groove 16, a ball 25 is embedded at the left end of the clamping rod 17, the ball 25 is adapted to the inclined surface on the corresponding rectangular fixture block 11, a second rectangular groove 18 is formed at the bottom of the right side of the screw nail 1, a moving block 19 is fixedly connected to the right end of the clamping rod 17, two rectangular rods 21 are fixedly connected to the left side of the moving block 19, the clamping rod 17 is positioned between two corresponding rectangular rods 21, two sleeves 22 are fixedly connected on the inner wall of one side of the second rectangular groove 18 away from the opening of the second rectangular groove, the sleeves 22 are slidably sleeved on the corresponding rectangular rods 21, a spring 23 is fixedly connected between the left end of each rectangular rod 21 and the inner wall of the left side of the corresponding second rectangular groove 18, the spring 23 is positioned in the corresponding sleeve 22, the right side of the moving block 19 is flush with the right side of the corresponding threaded nail 1, a shackle 20 is fixedly connected on the right side of the moving block 19, the fine adjustment mechanism comprises a second groove 4 arranged on the inner wall of the bottom of the first groove 3, a screw 5 is rotatably arranged between the inner walls of two sides of the second groove 4, a moving seat 6 is sleeved on the screw 5 in a threaded manner, the top of the moving seat 6 is fixedly connected with the bottom of the corresponding hemispherical block 7, the moving seat 6 is slidably arranged on the inner wall of the bottom of the corresponding second groove 4, a gear 8 is fixedly sleeved on the moving seat 6, the tops of the gears 8 extend into the corresponding first grooves 3, the three gears 8 are provided with the same rack 10 in a matching manner, and the top of the rack 10 is fixedly connected with a push rod 9;

the bottom of the alveolar bone 100 is provided with a plurality of thread grooves which are in threaded connection with corresponding thread nails 1, alveolar ridge mucous membranes 102 are movably sleeved on the plurality of thread nails 1, the right side inner wall of a first rectangular groove 15 is provided with a rectangular hole communicated with a corresponding second rectangular groove 18, the inner wall of the rectangular hole is in sliding connection with the outer side of a corresponding clamping rod 17, the inner wall of one side, away from each other, of two sleeves 22 in the same second rectangular groove 18 is provided with a limiting hole 24, the side, away from each other, of two rectangular rods 21 in the same second rectangular groove 18 is fixedly connected with an iron block 12, the iron block 12 is in sliding connection with the corresponding limiting hole 24, the right side inner wall of the limiting hole 24 is fixedly connected with a magnet 13, the attraction force of the magnet 13 when contacting with the corresponding iron block 12 is larger than the elastic force of a spring 23, the inner walls of two sides of the second groove 4 are provided with rotating grooves, and bearings are fixedly sleeved in the rotating grooves, the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding screw rod 5, one side of the movable seat 6 is provided with a threaded hole, the threaded hole is in threaded connection with the corresponding screw rod 5, the bottom of the movable seat 6 is provided with a T-shaped sliding groove, the two sides of the T-shaped sliding groove are both provided with openings, the inner wall of the bottom of the second groove 4 is fixedly connected with a T-shaped sliding rail, and the T-shaped sliding groove is in sliding connection with the corresponding T-shaped sliding rail.

In this embodiment, when the fixing of the guide plate 101 needs to be released, the external thin iron hook is used to hook the corresponding shackle 20 to move the guide plate to the right, the shackle 20 drives the corresponding moving block 19 to move to the right, the moving block 19 drives the corresponding rectangular rod 21 to slide to the right in the sleeve 22, the rectangular rod 21 moves to the right while stretching the spring 23, the rectangular rod 21 drives the corresponding iron block 12 to slide to the right in the limiting hole 24, the iron block 12 gradually adsorbs the magnet 13 while moving to the right, the moving block 19 drives the corresponding clamping rod 17 to move out of the clamping groove 16 to the right, the clamping rod 17 drives the corresponding ball 25 to move out of the clamping groove 16 to the right, the fixing of the rectangular clamping block 11 is released, the fixing of the guide plate 101 is released, then the guide plate 101 is moved downwards, the guide plate 101 sequentially drives the plurality of hemispherical blocks 7 to move out of the corresponding embedded grooves 14 through the plurality of screws 5 and the plurality of moving seats 6, the semispherical block 7 drives the corresponding rectangular fixture block 11 to move out of the first rectangular groove 15, namely the guide plate 101 can be taken down, then the corresponding shackle 20 is pushed leftwards, the shackle 20 drives the two rectangular rods 21 to slide leftwards through the corresponding moving block 19, the rectangular rods 21 drive the corresponding iron block 12 to separate from the magnet 13 leftwards, at the moment, the elastic force of the spring 23 in the stretching state drives the corresponding rectangular rods 21 to move leftwards, and the rectangular rods 21 drive the fixture rods 17 to move leftwards through the corresponding moving block 19 for resetting;

when the guide plate 101 is installed and fixed, when a deviation exists between the hemispherical block 7 and the corresponding embedded groove 14, the push rod 9 is inserted into the corresponding first groove 3, the push rod 9 drives the corresponding rack 10 to be meshed with the gear 8, then the push rod 9 is pushed backwards or pulled forwards, the push rod 9 drives the corresponding rack 10 to move, the rack 10 drives the gear 8 meshed with the rack 10 to rotate, the gear 8 drives the corresponding screw 5 to rotate, under the action of a threaded hole formed in the moving seat 6, the screw 5 rotates and simultaneously drives the corresponding moving seat 6 to move, the moving seat 6 slides leftwards or rightwards on the corresponding T-shaped sliding rail, the moving seat 6 drives the corresponding hemispherical block 7 to move leftwards or rightwards, when the hemispherical block 7 moves to be aligned with the corresponding embedded groove 14, the push rod 9 can be moved upwards, the push rod 9 drives the corresponding rack 10 to be separated upwards from the gear 8, at the moment, the push rod 9 can be pulled out from the corresponding first groove 3, the transverse positions of the rest hemispherical blocks 7 can be finely adjusted in the same way, the threaded nail 1 does not need to be taken down for adjustment, and the discomfort of a patient is reduced;

after the adjustment is completed, the hemispherical blocks 7 are aligned with the corresponding embedded grooves 14, the guide plate 101 is pushed upwards, the guide plate 101 sequentially passes through the plurality of screw rods 5 and the plurality of moving seats 6 to drive the plurality of hemispherical blocks 7 to move upwards, the hemispherical blocks 7 move upwards into the corresponding embedded grooves 14, the hemispherical blocks 7 drive the corresponding rectangular fixture blocks 11 to move upwards into the first rectangular grooves 15, the inclined surfaces of the rectangular fixture blocks 11 move upwards to be contacted with the corresponding balls 25, the inclined surfaces of the rectangular fixture blocks 11 continue to move upwards to gradually extrude the balls 25, the extruding force drives the balls 25 to move rightwards, the balls 25 drive the corresponding clamping rods 17 to move rightwards, the clamping rods 17 drive the corresponding moving blocks 19 to move rightwards, the moving blocks 19 drive the corresponding rectangular rods 21 to move rightwards and stretch the springs 23, when the balls 25 are aligned with the corresponding clamping grooves 16, the springs 23 in a stretching state drive the corresponding rectangular rods 21 to move leftwards, rectangular pole 21 drives corresponding movable block 19 and moves left, and movable block 19 drives corresponding kelly 17 and moves left to draw-in groove 16 in, kelly 17 drives corresponding ball 25 and moves left to draw-in groove 16 in, and kelly 17 clamps mutually with corresponding draw-in groove 16, and then makes baffle 101 fixed, and then has accomplished the installation for be convenient for realize fixing baffle 101 fast through the mode of simple promotion, improve the installation effectiveness.

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. An oral implantation guide plate fixing device comprises a guide plate (101) arranged on the upper part of an alveolar bone (100), wherein alveolar ridge mucous membranes (102) are arranged on the surface of the alveolar bone (100), and the oral implantation guide plate fixing device is characterized in that a plurality of screw nails (1) are embedded in threads on the alveolar bone (100), a plurality of first grooves (3) are formed in the top of the guide plate (101), openings are formed in the front side and the rear side of each first groove (3), the bottom ends of the screw nails (1) extend into the corresponding first grooves (3), nuts (2) are fixedly sleeved on the screw nails (1), quick-fixing mechanisms are arranged on the screw nails (1), and a plurality of fine-adjustment mechanisms matched with the corresponding quick-fixing mechanisms are arranged on the guide plate (101);

the quick-fixing mechanism comprises an embedded groove (14) formed in the bottom end of a threaded nail (1), a hemispherical block (7) is movably sleeved in the embedded groove (14), the bottom of the hemispherical block (7) extends to the lower portion of the corresponding threaded nail (1), a rectangular clamping block (11) is fixedly connected to the top of the hemispherical block (7), a first rectangular groove (15) is formed in the inner wall of the top of the embedded groove (14), the top of the rectangular clamping block (11) extends into the corresponding first rectangular groove (15), an inclined plane is formed in the top of the right side of the rectangular clamping block (11), a clamping groove (16) is formed in the right side of the rectangular clamping block (11), a clamping rod (17) is movably clamped in the clamping groove (16), a ball (25) is embedded at the left end of the clamping rod (17), the ball (25) is matched with the inclined plane on the corresponding rectangular clamping block (11), a second rectangular groove (18) is formed in the bottom of the right side of the threaded nail (1), the right end of the clamping rod (17) extends into the corresponding second rectangular groove (18) and is fixedly connected with a moving block (19), two rectangular rods (21) are fixedly connected to the left side of the moving block (19), the clamping rod (17) is located between the two corresponding rectangular rods (21), two sleeves (22) are fixedly connected to the inner wall, away from the opening, of the second rectangular groove (18), the sleeves (22) are slidably sleeved on the corresponding rectangular rods (21), springs (23) are fixedly connected between the left ends of the rectangular rods (21) and the inner wall, located on the left side of the corresponding second rectangular groove (18), the springs (23) are located in the corresponding sleeves (22), the right side of the moving block (19) is flush with the right side of the corresponding threaded nail (1), and a hook ring (20) is fixedly connected to the right side of the moving block (19).

2. The oral implant guide plate fixing device according to claim 1, wherein the fine adjustment mechanism comprises a second groove (4) formed in the inner wall of the bottom of the first groove (3), a screw (5) is rotatably installed between the inner walls of two sides of the second groove (4), a moving seat (6) is sleeved on the screw (5) in a threaded manner, the top of the moving seat (6) is fixedly connected with the bottom of the corresponding hemispherical block (7), the moving seat (6) is slidably installed on the inner wall of the bottom of the corresponding second groove (4), a gear (8) is fixedly sleeved on the moving seat (6), the top of the gear (8) extends into the corresponding first groove (3), three gears (8) are provided with the same rack (10) in a matching manner, and the top of the rack (10) is fixedly connected with a push rod (9).

3. The fixture device for the guide plate for the oral implantation according to claim 1, wherein a plurality of thread grooves are formed in the upper portion of the alveolar bone (100), the thread grooves are in threaded connection with corresponding thread nails (1), and the alveolar ridge mucous membrane (102) is movably sleeved on the plurality of thread nails (1).

4. The oral implant guide plate fixing device of claim 1, wherein the right side inner wall of the first rectangular groove (15) is provided with a rectangular hole communicated with the corresponding second rectangular groove (18), and the inner wall of the rectangular hole is slidably connected with the outer side of the corresponding clamping rod (17).

5. The oral implant guide plate fixing device according to claim 1, wherein the inner walls of the two sleeves (22) in the same second rectangular groove (18) at the sides far away from each other are respectively provided with a limiting hole (24), the sides of the two rectangular rods (21) in the same second rectangular groove (18) at the sides far away from each other are respectively fixedly connected with an iron block (12), the iron blocks (12) are slidably connected with the corresponding limiting holes (24), the inner wall of the right side of each limiting hole (24) is fixedly connected with a magnet (13), and the attraction force of the magnet (13) when contacting with the corresponding iron block (12) is larger than the elastic force of the spring (23).

6. The device for fixing an oral implant guide plate according to claim 2, wherein the inner walls of the second groove (4) are provided with rotating grooves, bearings are fixedly sleeved in the rotating grooves, and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the corresponding screw rods (5).

7. The dental implant guide plate fixture device according to claim 2, wherein one side of the movable seat (6) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw (5).

8. The oral implantation guide plate fixing device according to claim 2, wherein the bottom of the movable seat (6) is provided with a T-shaped sliding groove with two sides opened, the inner wall of the bottom of the second groove (4) is fixedly connected with a T-shaped sliding rail, and the T-shaped sliding groove is slidably connected with the corresponding T-shaped sliding rail.