Method for manufacturing same-period edentulous jaw implant implantation guide plate for jaw reconstruction

Abstract

The invention relates to the technical field of dental operation guide plates, in particular to a method for manufacturing an edentulous jaw implant implantation guide plate in the same stage of jaw reconstruction, which comprises the following steps of: scanning the maxillofacial bone of a patient by using a CT (Computed Tomography) machine to obtain a relative position image of the jaw and a tumor; performing virtual excision on the tumor in the jaw bone and the tumor relative position image based on digital software to obtain a residual jaw bone three-dimensional reconstruction image; a jaw model is manufactured based on the remaining jaw three-dimensional reconstruction image, and the jaw model is manufactured; according to the method, the guide plate is implanted on the jaw bone models, the two jaw bone models are connected through the bent titanium plate, the relative position between the reconstructed jaw bone and the implantation guide plate is judged through manufacturing of the jaw bone models, then the implantation guide plate is installed on the jaw bone models, and accurate installation of the implantation guide plate is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of dental surgery guide plates, and in particular to a method for manufacturing a guide plate for implantation of an edentulous jaw during simultaneous jaw reconstruction. Background Art

[0002] Simultaneous implantation of jaw reconstruction is currently a hot topic in oral and maxillofacial surgery. Although jaw reconstruction and dental implantation using vascularized bone tissue flaps are both very mature surgical techniques, it is very difficult to combine the two and complete them in the same operation. This is because the surgical precision of jaw reconstruction and dental implantation is very high. Currently, only some medical centers in China can perform such operations. Edentulous jaw implantation is one of the most difficult operations in dental implant surgery. When the reconstructed jaw is edentulous, if you want to perform simultaneous implantation, the difficulty increases exponentially. Existing technology cannot accurately install implant guides on the reconstructed jaw model. Summary of the invention

[0003] The present invention provides a method for manufacturing a guide plate for implanting an edentulous jaw during simultaneous jaw reconstruction, so as to solve the problem raised by the background technology.

[0004] In order to achieve the above-mentioned invention object, the present invention provides the following technical solution: a method for making a guide plate for implant placement in an edentulous jaw during jaw reconstruction, comprising the following steps:

[0005] Use CT machine to scan the patient's maxillofacial bones to obtain the relative position image of the jaw bone and tumor;

[0006] Based on the digital software, the tumor in the image of the relative position of the jaw and the tumor is virtually removed to obtain a three-dimensional reconstructed image of the remaining jaw;

[0007] A jaw model is produced based on the three-dimensional reconstruction image of the remaining jaw, and a jaw model is obtained;

[0008] A guide plate was implanted on the jaw model, and the two jaw models were connected using a curved titanium plate.

[0009] Preferably, after obtaining the three-dimensional reconstructed image of the remaining jaw, the remaining jaw is printed using a 3D printer to obtain two independent jaw models.

[0010] Preferably, the 3D printer is used to print three large connecting rods between two independent jaw models, each large connecting rod having a diameter of about 8 mm to 12 mm, to respectively connect the bilateral condylar processes, the bilateral mandibular angles and the bilateral posterior molar areas to obtain a stable jaw model.

[0011] Preferably, the 3D printer is used to print support rods on the large connecting rod between the bilateral mandibular angles and the large connecting rod between the bilateral posterior molar areas.

[0012] Preferably, the 3D printer is used to print a retainer at both ends of the longitudinal support rod and at the posterior molar area in front of the bilateral mandibular ramus.

[0013] Preferably, the retainer is a conical pillar with a height of 10 mm, a bottom diameter of 8 mm, and a top diameter of 6 mm.

[0014] Preferably, the top end of the retainer is spherical.

[0015] Preferably, a positioning point is selected in the middle of the support rod, and a through hole is drilled at the positioning point using a drill bit of a hand drill.

[0016] Preferably, the 3D printer is used to print small connecting rods between adjacent retainers, the diameter of the small connecting rods is 5-8 mm, four small connecting rods form a quadrilateral structure, and the small connecting rods and the stable jaw model form a jaw model.

[0017] Preferably, a retaining cap of the implantation guide is mounted on the retaining body, an implantation plate for adjusting the implantation guide is arranged above the jawbone model, and the through hole 2 of the implantation guide is threadedly connected to the through hole using a bolt.

[0018] The beneficial effects of the present invention are as follows:

[0019] In the scheme of the present invention:

[0020] The method determines the relative position between the reconstructed jaw and the implant guide by making a jaw model, and then installs the implant guide on the jaw model to achieve accurate installation of the implant guide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a flow chart of the present invention;

[0022] Figure 2 It is a schematic diagram of the installation position of the large connecting rod of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the bolt processing mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the clamping mechanism of the present invention;

[0025] Figure 5 is a cross-sectional view of the clamping mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the threaded connection relationship between the installation shaft and the threaded block of the present invention;

[0027] Figure 7 A schematic diagram of the position of the guide groove of the present invention;

[0028] Figure 8 It is a schematic diagram of the connection relationship between the guide rod and the intermittent column of the present invention;

[0029] Fig. 9 It is a schematic diagram of the connection relationship between the guide plate, the second guide rod and the spring of the present invention;

[0030] Fig.10 It is a schematic diagram of the relative positions of the intermittent column and the bump of the present invention;

[0031] Fig.11 is a cross-sectional view of the gear 2 of the present invention;

[0032] Fig.12 It is a schematic diagram of the connection relationship between the mounting seat and the adjustment box of the present invention;

[0033] Fig.13 It is a schematic diagram of the installation position of the heat sink of the present invention;

[0034] Fig.14 is a cross-sectional view of the drain pipe of the present invention;

[0035] Fig.15 For the present invention Figure 6 A partial enlarged view of the middle A;

[0036] Fig.16 The clamping groove of the present invention is

[0037] Among them: workbench 1, X-axis moving mechanism 2, Y-axis moving mechanism 3, tapping mechanism 4, clamping mechanism 5, housing 6, clamping plate 7, mounting cavity 8, mounting shaft 9, worm wheel 10, gear 11, worm 12, threaded block 13, connecting plate 14, connecting plate 2 15, guide transverse groove 16, guide longitudinal groove 17, guide groove 18, receiving block 19, receiving groove 20, clamping groove 21, screwing block 22, guide rod 23, guide plate 24, guide rod 2 25, guide plate 2 26, spring 27, intermittent column 28, arc groove 29, Fillet 30, rotating shaft 31, bump 32, gear 2 33, fillet 2 34, locking rod 35, spring 2 36, mounting seat 37, adjusting box 38, tapping tool 39, heat sink 40, drive tube 41, piston 42, drive rod 43, spring 3 44, drive rod 2 45, drive rod 3 46, adjusting shaft 47, adjusting shell 48, adjusting column 49, adjusting hole 50, drain pipe 51, drain pipe 2 52, water spray pipe 53, water spray pipe 2 54, sealing block 55, spring 4 56, large connecting rod 100, small connecting rod 200. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0039] Example 1: Reference Figure 1-Figure 16 The method for preparing a guide plate for implant placement in an edentulous jaw during simultaneous jaw reconstruction comprises the following steps:

[0040] The following steps are involved:

[0041] Use CT machine to scan the patient's maxillofacial bones to obtain the relative position image of the jaw bone and tumor;

[0042] Based on the digital software, the tumor in the image of the relative position of the jaw and the tumor is virtually removed to obtain a three-dimensional reconstructed image of the remaining jaw;

[0043] A jaw model is produced based on the three-dimensional reconstruction image of the remaining jaw, and a jaw model is obtained;

[0044] The implant guide was installed on the jaw model, and the two jaw models were connected using a curved titanium plate.

[0045] The principles and beneficial effects of the above scheme are:

[0046] First, a CT machine is used to scan the patient's maxillofacial bones to obtain an image of the relative position of the jaw and the tumor. Based on digital software, the tumor in the image of the relative position of the jaw and the tumor is virtually removed to obtain a three-dimensional reconstructed image of the remaining jaw. The digital software used for the three-dimensional reconstruction image can be ProPlan (Materialise, Belgium), Mimics (Materialise, Belgium) or CCMFPlan (Baitecon, China) and other software. The use of digital software has greatly improved the accuracy of jaw model production. Subsequently, a jaw model is produced based on the three-dimensional reconstructed image of the remaining jaw, an implant guide is installed on the jaw model, and the two jaw models are connected using a bent titanium plate. This method determines the relative position between the reconstructed jaw and the implant guide through the production of the jaw model, and then the implant guide is installed on the jaw model to achieve accurate installation of the implant guide.

[0047] Example 2: Reference Figure 1-Figure 16 After obtaining the three-dimensional reconstructed image of the remaining jaw, the remaining jaw is printed using a 3D printer to obtain two independent jaw models.

[0048] The principles and beneficial effects of the above scheme are:

[0049] After obtaining the remaining jaw for three-dimensional reconstruction, the remaining jaw was printed using a 3D printer to obtain two independent jaw models. The use of a 3D printer improves the speed and accuracy of model making.

[0050] Example 3: Reference Figure 1-Figure 16The 3D printer is used to print three large connecting rods 100 between two independent jaw models, each large connecting rod 100 having a diameter of about 8 mm to 12 mm, and the bilateral condylar processes, bilateral mandibular angles and bilateral posterior molar areas are connected respectively to obtain a stable jaw model.

[0051] The principles and beneficial effects of the above scheme are:

[0052] Three large connecting rods 100 are printed between the two independent jaw models to connect the bilateral condylar processes, bilateral mandibular angles and bilateral posterior molar areas respectively. The resulting stable jaw model is not only highly stable but also has higher structural accuracy. The diameter of the large connecting rod 100 is about 8mm-12mm, which not only improves the strength of the structure but also provides installation space for other surgical parts.

[0053] Example 4: Reference Figure 1-Figure 16 The 3D printer is used to print support rods on the large connecting rod 100 between the bilateral mandibular angles and the large connecting rod 100 between the bilateral molar posterior intervals.

[0054] The principles and beneficial effects of the above scheme are:

[0055] The support rod made by a 3D printer has one end connected to the large connecting rod 100 between the bilateral mandibular angles, and the other end placed below the large connecting rod 100 between the bilateral molar posterior intervals. The middle part of the support rod is connected to the middle part of the large connecting rod 100 between the bilateral molar posterior intervals, further improving the stability of the structure.

[0056] Example 5: Reference Figure 1-Figure 16 The 3D printer is used to print a retainer at both ends of the longitudinal support rod and the posterior molar area in front of the bilateral mandibular ascending ramus.

[0057] The retainer is specifically a conical pillar with a height of 10 mm, a bottom diameter of 8 mm, and a top diameter of 6 mm.

[0058] The top of the retainer is spherical.

[0059] The principles and beneficial effects of the above scheme are:

[0060] The retainer is printed using a 3D printer. The printed retainer is a tapered pillar with a height of 10 mm, a bottom diameter of 8 mm, and a top diameter of 6 mm, which is convenient for installing other parts on it later. At the same time, since the printing accuracy of the 3D printer is 0.1 mm and the resin material itself has a large friction, the retainer is designed as a tapered pillar, and the top of the tapered pillar is set to a sphere to facilitate the rapid completion of the printing of the retainer. The retainer is located at both ends of the longitudinal support rod and the posterior molar area in front of the bilateral mandibular ascending ramus. The reason for this setting is that since the inner side of the reconstructed jaw will carry a certain amount of soft tissue, setting the retainer in this way can avoid the inability to install the implant guide due to the large volume of soft tissue.

[0061] Example 6: Reference Figure 1-Figure 16 A positioning point is selected in the middle of the support rod, and a through hole is drilled at the positioning point using a drill bit of a hand drill.

[0062] The principles and beneficial effects of the above scheme are:

[0063] Use the drill bit of a hand drill to drill holes at the positioning points in the middle of the support rod to facilitate the installation of other components in subsequent steps.

[0064] Example 7: Reference Figure 1-Figure 16 The 3D printer is used to print small connecting rods 200 between adjacent retainers. The diameter of the small connecting rods 200 is 5-8 mm. Four small connecting rods 200 form a quadrilateral structure. The small connecting rods 200 and the stable jaw model form a jaw model.

[0065] The diameter of the support rod is equal to the diameter of the small connecting rod 200 .

[0066] The principles and beneficial effects of the above scheme are:

[0067] Use a 3D printer to print the small connecting rod 200, and the large connecting rod 100, support rod, retainer and small connecting rod 200 are printed in batches, so as to leave sufficient solidification time for the parts printed by the printer, improve the detection efficiency of the accuracy of the parts after each printing is completed, avoid the overall deformation of the model due to the shrinkage or expansion of the printing material during solidification, prepare for the modification and calibration of the accuracy of the model, and finally realize the production of a high-precision model. The small connecting rod 200 can further play a role in stabilizing the model. In order to facilitate the installation of other parts, the diameter of the small connecting rod 200 can be appropriately adjusted to 5-8mm; on the basis of increasing the stability of the model, it can prevent the model from warping and shifting during surgery, and further increase the accuracy of the subsequent implant guide installation.

[0068] Example 8: Reference Figure 1-Figure 16A retaining cap of the implant guide is mounted on the retaining body, an implant plate for adjusting the implant guide is arranged above the jawbone model, and a through hole 2 of the implant guide is threadedly connected with the through hole using a bolt.

[0069] The principles and beneficial effects of the above scheme are:

[0070] After the production of the jaw model is completed, the retention cap is mounted on the retaining body, and the implant plate of the implant guide is set above the jaw model. The implant plate is provided with multiple mounting holes for installing dentures, which is convenient for the subsequent installation of the dentures. After the retaining body and the retention cap are assembled, the through hole 2 and the through hole of the implant guide are connected by bolts and threads to achieve the purpose of stabilizing the implant guide. The assembly of the retention cap and the retaining body, as well as the bolts and threads to connect the through hole 2 and the through hole of the implant guide, can increase the accuracy of the installation of the implant guide and the model.

[0071] Example 9: Reference Figure 1-Figure 16 A bolt processing device, used for processing the bolts described in any of the above items, comprises: a workbench 1, an X-direction moving mechanism 2, a Y-direction moving mechanism 3, a tapping mechanism 4 and a clamping mechanism 5, the workbench 1 is provided with an X-direction moving mechanism 2, the X-direction moving mechanism 2 is connected to the Y-direction moving mechanism 3, the Y-direction moving mechanism 3 is installed with the tapping mechanism 4, the side of the workbench 1 is rotatably connected with the clamping mechanism 5, the clamping mechanism 5 and the end of the tapping mechanism 4 are vertically arranged, and the clamping mechanism 5 is connected to the output end of the motor on the workbench 1.

[0072] The X-axis moving mechanism 2 comprises: a servo motor, a screw, a screw block, a slide rail, a slider and an X-axis moving plate. The workbench 1 is equipped with a servo motor and a slide rail. The output end of the servo motor is connected with a screw, and a screw block is threadedly connected to the screw. The screw and the slide rail are arranged in parallel. The slide rail is slidably connected with a slider. The slider and the screw block are both installed on the bottom surface of the X-axis moving plate. The top surface of the X-axis moving plate is connected to the bottom end of the Y-axis moving mechanism 3. The X-axis moving mechanism 2 and the Y-axis moving mechanism 3 are the same mechanism.

[0073] The principles and beneficial effects of the above scheme are:

[0074] When processing bolts of smaller sizes, the existing bolt processing device is limited by the size and processing accuracy, and the blank needs to be accurately clamped on the clamping mechanism. Therefore, it is extremely difficult to clamp the bolt blank, which further leads to extremely low processing efficiency. The present application proposes a bolt processing device to solve the above technical problems. The bolt blank is clamped by a clamping mechanism 5, the X-axis moving mechanism 2 is started, the Y-axis moving mechanism 3 is adjusted to be close to the bolt blank, the motor is started to rotate to drive the clamping mechanism 5 to rotate, and the Y-axis moving mechanism 3 is continued to be moved. The Y-axis moving mechanism 3 drives the tapping mechanism 4 to cut the bolt blank clamped on the clamping mechanism 5, and the tapping mechanism 4 is started to cut the spiral groove on the blank. The difficulty of clamping the blank is reduced by setting the clamping mechanism 5; since the X-axis moving mechanism 2 and the Y-axis moving mechanism 3 are the same mechanism, the moving directions of the two are perpendicular to each other, which is convenient for adjusting the position of the tapping mechanism 4 to tap the blank clamped on the clamping mechanism 5.

[0075] Example 10: Reference Figure 1-Figure 16 The clamping mechanism 5 includes: a shell 6 and a clamping plate 7, the output end of the motor is connected to the end face of the shell 6, a mounting cavity 8 is provided in the shell 6, a mounting shaft 9 is rotatably connected in the mounting cavity 8, the axis of the mounting shaft 9 is arranged parallel to the axis of the shell 6, a worm wheel 10 and a gear 11 are arranged on the mounting shaft 9 at intervals, the worm wheel 10 is arranged near the output end of the motor, the worm wheel 10 is meshed with one end of a worm 12, the worm 12 is rotatably connected to the shell 6, and the other end of the worm 12 is placed outside the shell 6, a threaded block 13 is threadedly connected to the threaded section of the mounting shaft 9, and the ends of a connecting plate 14 are hinged on both sides of the threaded block 13, the other end of the connecting plate 14 is hinged to the end of a connecting plate 15, the other end of the connecting plate 15 is hinged to the end face of the clamping plate 7, the end face of the clamping plate 7 is hinged to the other end of the shell 6 One end face is slidably connected, the connecting plate 2 15 is slidably connected with the guide transverse groove 16, the guide transverse groove 16 and the guide longitudinal groove 17 are opened on the other end face of the shell 6, the guide longitudinal groove 17 is arranged between the two guide transverse grooves 16, the inner wall of the guide longitudinal groove 17 is provided with the end of the guide groove 18, the other end of the guide groove 18 is opened inside the mounting cavity 8, the guide groove 18 is slidably connected with the receiving block 19, the end of the receiving block 19 is placed in the guide longitudinal groove 17, and contacts and cooperates with the end face of the clamping plate 7, the top surface of the receiving block 19 is provided with a receiving groove 20, the side of the clamping plate 7 is provided with a groove, and two oppositely arranged grooves constitute a clamping groove 21, the radius of the clamping groove 21 is smaller than the radius of the arc surface of the receiving groove 20, and the other end of the worm 12 is provided with a screwing block 22, and the end face of the screwing block 22 away from the shell 6 is provided with a slot.

[0076] A slide groove is opened on the inner wall of the clamping groove 21, and the side of the slide groove is opened on the end face of the clamping plate 7 and is arranged toward the receiving block 19. The slide groove and the guide longitudinal groove 17 are perpendicular to each other. The sealing block 55 is slidably connected to the slide groove, and the end of the sealing block 55 is connected to one end of the spring four 56, and the other end of the spring four 56 is connected to the inner wall of the slide groove. The other ends of the two sealing blocks 55 are arranged opposite to each other.

[0077] A guide rod 23 is slidably connected in the installation cavity 8, and the axis of the guide rod 23 is arranged parallel to the axis of the installation shaft 9. The end of the guide rod 23 is connected to one side of the guide plate 24, and the other side of the guide plate 24 is connected to the ends of two guide rods 25. The guide rod 25 is slidably connected to the guide plate 26 in the installation cavity 8, and the guide plate 26 is connected to the guide plate 24 through a spring 27. The other end of the guide rod 23 is equipped with the end of an intermittent column 28, and the side wall of the other end of the intermittent column 28 is provided with an arc groove 29. The two ends of the arc groove 29 are connected to the other end surface of the intermittent column 28 through a fillet 30. A rotating shaft 31 is rotatably connected in the installation cavity 8, and the end of the rotating shaft 31 is provided with the end of a protrusion 32, and the other end of the protrusion 32 The end is frictionally matched with the other end face of the intermittent column 28 or the bottom wall of the arc groove 29 or the fillet 30. A gear 2 33 is rotatably connected to the rotating shaft 31. The gear 2 33 is meshed with the gear 11. The diameter of the gear 2 33 is smaller than the diameter of the gear 11. A U-shaped groove is axially opened on the side wall of the rotating shaft 31. A fillet 2 34 is provided between the U-shaped groove and the side wall of the rotating shaft 31. The fillet 2 34 is arranged away from the screwing block 22. The U-shaped groove is plug-fitted with a locking rod 35. The bottom end of the locking rod 35 is slidably matched with the fillet 2 34 or the side wall of the rotating shaft 31. The top end of the locking rod 35 is connected to the bottom end of the spring 2 36. The top end of the spring 2 36 is connected to the top wall of the mounting hole. The mounting hole is opened on the inner wall of the gear 2 33, and the mounting hole is slidably matched with the locking rod 35.

[0078] The principles and beneficial effects of the above scheme are:

[0079] The operator first rotates the screwing block 22 clockwise, and the screwing block 22 drives the worm 12 to rotate clockwise, and the worm wheel 10 rotates counterclockwise, and the worm wheel 10 drives the installation shaft 9 to rotate counterclockwise, and the threaded block 13 moves away from the output end of the motor, and the angle between the two connecting plates 14 increases, and the spacing between the connecting plates 15 increases synchronously, and the connecting plate 15 and the guide transverse groove 16 slide together, and the connecting plate 15 drives the two clamping plates 7 to move synchronously, and the spacing between the two clamping plates 7 increases. When the spacing between the two clamping plates 7 reaches the diameter of the blank processing bolt, the rotation of the screwing block 22 is stopped, and the operator holds the bolt blank, and the nut of the blank is inserted into the guide longitudinal groove 17. After loosening the blank, the nut and the guide longitudinal groove 17 are connected under the action of gravity. The slot 17 is slidably connected, and the processing bolt of the blank is slidably connected with the side of the two clamping plates 7 until the nut contacts the receiving groove 20 on the top surface of the receiving block 19 extending out of the installation cavity 8 and stops falling, and finally contacts and cooperates with the ends of the two sealing blocks 55. When a new blank is placed in the mechanism, the sealing block 55 remains stable and motionless in the slide groove under the action of the spring 56, preventing the blank from sagging away from the end of the clamping plate 7 due to lack of support at the processing bolt of the blank, thereby increasing the stability of the blank placed in the mechanism and further improving the clamping accuracy of the device. At the same time, since the end of the blank is prevented from sagging, it is further avoided that the clamping slot 21 re-adjusts the axis of the blank, and prevents the edge of the clamping slot 21 from clamping the side wall of the blank.

[0080] Continue to rotate the screw block 22 clockwise, and the nut of the processed bolt is placed in the guide longitudinal groove 17, a part of the screw rod is clamped in the clamping groove 21, and the other part contacts the end face of the sealing block 55. In the process of increasing the distance between the two clamping plates 7, the installation shaft 9 rotating counterclockwise drives the gear 11 to rotate synchronously counterclockwise, and the gear 2 33 meshing with the gear 11 rotates clockwise, and the gear 2 33 drives the rotating shaft 31 to rotate, and the protrusion 32 of the rotating shaft 31 rotates clockwise. The end of the protrusion 32 first frictionally cooperates with the top surface of the intermittent column 28, and then with a fillet 30 The guide plate 24 is frictionally matched, and then frictionally matched with the arc groove 29. After the protrusion 32 is frictionally matched with the arc groove 29, the spring 27 pushes the guide plate 24 to move toward the direction of the motor output end. During the sliding connection between the guide rod 25 and the guide plate 26, the guide rod 25 can be guided. The guide plate 24 drives the guide rod 23 and the intermittent column 28 to move while moving. The guide rod 25 drives the receiving block 19 to move toward the inside of the installation cavity 8. The movement of the receiving block 19 causes the bolt processed last to slide along the guide longitudinal groove 17 under the action of gravity, which is convenient for collecting it and continuing to rotate clockwise. The second gear 33 is driven. Since the side wall of the rotating shaft 31 is provided with an axial U-shaped groove, a locking rod 35 is inserted and matched in the U-shaped groove. Under the action of the elastic force of the second spring 36, the locking rod 35 can keep the insertion and matching of the locking rod 35 and the U-shaped groove when the second gear 33 rotates clockwise. Therefore, the protrusion 32 continues to rotate clockwise. After the frictional match between the end of the protrusion 32 and the arc groove 29 is completed, it is frictionally matched with another fillet 30. Then, the end of the protrusion 32 contacts and matches with the top surface of the intermittent column 28 again, and the intermittent column 28, the guide rod 23, the guide plate 24 and the second guide rod 25 are reset, and the spring 27 is reset. After being compressed, the receiving block 19 extends out from the installation cavity 8 again to receive a new blank. According to the above principle, the protrusion 32 rotates clockwise for one circle, and the receiving block 19 completes the reciprocating motion of contraction and extension in the mechanism. The reciprocating motion performed in this way can complete the release of the processed bolts between the two opened clamping plates 7, and then the blanks can be added. At the same time, the guiding longitudinal groove 17 and the two clamping plates 7 cooperate with each other to reduce the difficulty of the mechanism for loading small-sized blanks, and also improve the accuracy after loading, and at the same time greatly improve the efficiency of releasing the processed bolts;

[0081] After the placement of the new blank is completed, that is, the loading of the material is completed, the screw block 22 is rotated counterclockwise. Based on the structure and working principle recorded above, it can be known that the gear 11 drives the meshing connection therewith to rotate clockwise, and the locking rod 35 disengages from the U-shaped groove. The bottom end of the locking rod 35 frictionally cooperates with the fillet 2 34, and then frictionally cooperates with the side wall of the rotating shaft 31. After the locking rod 35 rotates around the rotating shaft 31 for one circle, it is inserted into the U-shaped groove again under the action of the elastic force of the spring 2 36, and the rotating shaft 31 does not move. Finally, it can ensure that the receiving block 19 that receives the new blank does not move. While the screw block 22 is rotated counterclockwise, the mounting shaft 9 rotates clockwise, and the threaded block 13 moves toward the direction close to the output end of the motor. Finally, the sides of the two clamping plates 7 contact each other, and the sealing block 55 is squeezed by the blank and moves toward the inside of the slide groove. At the same time, the spring four 56 is compressed, and the sealing block 55 assists the clamping groove 21 to clamp the blank.

[0082] Example 11: Reference Figure 1-Figure 16 The tapping mechanism 4 includes: a mounting seat 37, a mounting seat 37 is connected to the Y-axis moving mechanism 3, an adjusting box 38 is installed on the mounting seat 37, the bottom end of the tapping tool 39 is inserted into the opening at the top of the adjusting box 38, the bottom end of the heat sink 40 on the bottom of the tapping tool 39 is placed in the adjusting box 38 and immersed in the hydraulic oil of the adjusting box 38, the end of the adjusting box 38 is connected to a driving pipe 41, a piston 42 is slidably sealed in the driving pipe 41, the end surface of the piston 42 is connected to the end of a driving rod 43, the end surface of the piston 42 is equipped with the end of a spring three 44, the other end of the spring three 44 is connected to a sealing disk, the sealing disk is installed at the opening end of the driving pipe 41 away from the adjusting box 38, the circular hole on the sealing disk is slidably connected to the driving rod 43, the end of the driving rod 43 placed outside the driving pipe 41 is hinged to the bottom end of the driving rod two 45, the top of the driving rod two 45 is hinged to the bottom of the driving rod three 46 The ends are hinged, the top of the driving rod three 46 is connected to the side of the adjusting shaft 47, the adjusting shaft 47 is rotatably connected to the adjusting shell 48, the end of the adjusting shaft 47 placed in the adjusting shell 48 is connected to the adjusting column 49, the adjusting column 49 is rotatably sealed with the adjusting shell 48, an adjusting hole 50 is penetrated through the adjusting column 49, the adjusting shell 48 is installed on the drain pipe 51, the end of the drain pipe 51 is connected to the water supply mechanism, the drain pipe 51 and the adjusting hole 50 are arranged at an angle, the adjusting hole 50, the bottom end of the drain pipe 51 is connected to the end of the drain pipe two 52, the other end of the drain pipe two 52 is connected to the end of the water spray pipe 53, the other end of the drain pipe 51 is connected to the end of the water spray pipe two 54, the water spray pipe two 54 is in contact with the top surface of the cutter head of the tapping tool 39, the water spray pipe 53 is in contact with the bottom surface of the cutter head of the tapping tool 39, and the other ends of the water spray pipe 53 and the water spray pipe two 54 are both arranged towards the cutter head of the tapping tool 39.

[0083] The principles and beneficial effects of the above scheme are:

[0084] After the blank is clamped, the motor is started. The rotation of the motor drives the rotation of the clamping mechanism 5. The X-moving mechanism 2 is adjusted to preliminarily adjust the position of the tapping cutter 39. Then, the Y-moving mechanism 3 is moved along the axis of the blank. The Y-moving mechanism 3 drives the tapping cutter 39 to tap the spiral groove of the blank. During the tapping process, the blank and the tapping cutter 39 will generate heat due to friction. Therefore, the water in the water supply mechanism can be transported to the second water spray pipe 54 through the drainage pipe 51. At the same time, the drainage pipe 52 transports part of the water to the water spray pipe 53. Since the water spray pipe 53 and the second water spray pipe 54 are both adjacent to the tapping cutter 39, the tapping cutter 39 can be quickly cooled. At the same time, the discharged water can cool the blank being processed. While cooling the blank, the iron filings can be sprayed off synchronously.

[0085] Since the temperature of the tapping tool 39 increases when it is working, its heat can be transferred to the hydraulic oil in the adjusting box 38 through the heat sink 40. The heated hydraulic oil pushes the piston 42 to move away from the adjusting box 38. During the movement of the piston 42, the spring three 44 is compressed, the driving rod 43 moves synchronously, the bottom end of the driving rod two 45 moves synchronously, the top of the driving rod two 45 drives the driving rod three 46 to rotate, and the driving rod three 46 drives the adjusting shaft 47 to rotate. After the adjusting shaft 47 rotates, the adjusting column 49 rotates synchronously, further increasing the conduction area of ​​the adjusting hole 50 with respect to the drain pipe 51, achieving rapid cooling, and at the same time increasing the water flow discharged by the spray pipe 53 and the spray pipe two 54, so as to quickly cool the blank and the tapping tool 39 to prevent damage to the two. When the temperature of the tapping tool 39 is reduced, the conduction area of ​​the adjusting hole 50 with respect to the drain pipe 51 is reduced, and the water flow discharged by the spray pipe 53 and the spray pipe two 54 is reduced, thereby saving water resources and avoiding unnecessary waste.

[0086] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. Method for making guide plate for implant placement in edentulous jaw during jaw reconstruction. It is characterized in that The following steps are involved: Use CT machine to scan the patient's maxillofacial bones to obtain the relative position image of the jaw bone and tumor; Based on the digital software, the tumor in the image of the relative position of the jaw and the tumor is virtually removed to obtain a three-dimensional reconstructed image of the remaining jaw; A jaw model is produced based on the three-dimensional reconstruction image of the remaining jaw, and a jaw model is obtained; A guide plate was implanted on the jaw model, and the two jaw models were connected using a curved titanium plate.

2. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 1, It is characterized in that After obtaining the three-dimensional reconstructed image of the remaining jaw, the remaining jaw is printed using a 3D printer to obtain two independent jaw models.

3. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 2, It is characterized in that The 3D printer is used to print three large connecting rods (100) between two independent jaw models, each large connecting rod (100) having a diameter of about 8 mm to 12 mm, and respectively connects the bilateral condylar processes, the bilateral mandibular angles and the bilateral posterior molar areas to obtain a stable jaw model.

4. The method for making a guide plate for implant placement in an edentulous jaw during simultaneous jaw reconstruction according to claim 3, It is characterized in that The 3D printer is used to print support rods on the large connecting rod (100) between the bilateral mandibular angles and the large connecting rod (100) between the bilateral molar posterior intervals.

5. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 4, It is characterized in that The 3D printer is used to print a retainer at both ends of the longitudinal support rod and at the posterior molar area in front of the bilateral mandibular ramus.

6. The method for making a guide plate for implant placement in an edentulous jaw during simultaneous jaw reconstruction according to claim 5, It is characterized in that The retainer is specifically a conical pillar with a height of 10 mm, a bottom diameter of 8 mm, and a top diameter of 6 mm.

7. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 6, It is characterized in that The top of the retainer is spherical.

8. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 5, It is characterized in that A positioning point is selected in the middle of the support rod, and a through hole is drilled at the positioning point using a drill bit of a hand drill.

9. The method for making a guide plate for implant placement in an edentulous jaw during simultaneous jaw reconstruction according to claim 7, It is characterized in that The 3D printer is used to print small connecting rods (200) between adjacent retainers, wherein the diameter of the small connecting rods (200) is 5-8 mm, and four small connecting rods (200) form a quadrilateral structure. The small connecting rods (200) and the stable jaw model form a jaw model.

10. The method for making a guide plate for implant placement in edentulous jaws during simultaneous jaw reconstruction according to claim 9, It is characterized in that A retaining cap of the implantation guide is mounted on the retaining body, an implantation plate for adjusting the implantation guide is arranged above the jawbone model, and a through hole 2 of the implantation guide is threadedly connected with the through hole using a bolt.

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