A surface modification treatment device and method for a titanium alloy implant for medical use
By performing high-temperature oxidation treatment on the surface of the titanium alloy implant, a dense protective layer is formed, which solves the problem of insufficient improvement in the wear resistance and compressive resistance of the titanium alloy implant in the prior art, and significantly extends the service life of the implant.
Patent Information
- Application Number
- CN202310332770.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-31
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2043-03-31
AI Technical Summary
The existing surface modification treatment methods for medical titanium alloy implants are not significantly improved in the wear resistance and compressive performance of titanium alloy materials, resulting in the implant being easily worn during long-term use of the oral cavity, affecting its service life.
By setting up a spray gun combination, the surface of the titanium alloy implant is oxidized under the action of high-temperature oxidation reaction to form a dense protective layer, thereby improving the wear resistance and oxidation resistance of the titanium alloy implant.
A dense protective layer is formed on the surface of the titanium alloy implant, which significantly improves its wear resistance and oxidation resistance and extends the service life of the implant.
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Figure CN116288133B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of surface modification treatment devices for titanium alloy implants, and particularly relates to a surface modification treatment device and method for medical titanium alloy implants. Background Art
[0002] An implant is to implant an artificial tooth root into the dental alveolus of the toothless part. When the tooth root grows firmly with the dental alveolus, a realistic porcelain tooth is then connected to the tooth root. In this way, the implanted artificial tooth is both firm and beautiful, and is strong and durable, and is known as the third set of teeth of humans. In order to improve the better fusion between the implant and the human dental alveolus, in order to improve the compatibility between the implant and the human body and provide the service life of the implant, currently, titanium alloy is mostly used as the raw material for making implants. In order to improve the wear resistance and compressive properties of titanium alloy, usually after making an implant from titanium alloy material, it is necessary to modify the surface of the titanium alloy implant by physical or chemical methods, so as to improve the metal properties of the implant.
[0003] The prior art has the following deficiencies: The existing surface modification treatment for medical titanium alloy implants generally uses sandblasting to grind the surface of the titanium alloy implant. However, this metal modification treatment method does not significantly improve the wear resistance of the surface of the implant made of titanium alloy material, resulting in easy wear of the titanium alloy implant during long-term use in the oral cavity, which affects the service life and is not convenient to increase a dense protective film on the surface of the titanium alloy implant.
[0004] Therefore, it is very necessary to invent a surface modification treatment device for medical titanium alloy implants. Summary of the Invention
[0005] For this reason, the present invention provides a surface modification treatment device for medical titanium alloy implants. By setting up a spray gun assembly, the surface of the titanium alloy material on the surface of the titanium alloy implant is oxidized under the action of a high-temperature oxidation reaction, so that the titanium alloy melts and redistributes, and a dense protective layer is formed on the surface of the titanium alloy implant, thereby improving the wear resistance and oxidation resistance during the long-term use of the titanium alloy implant in the later stage, so as to solve the problems in the background art.
[0006] In order to achieve the above-mentioned objectives, the present invention provides the following technical solutions: a surface modification treatment device for medical titanium alloy implants, comprising a workbench, a slide groove one is provided on the top of the workbench, the inner wall of the slide groove one is slidably connected to a clamping plate, and the two clamping plates are used together to clamp the titanium alloy implant. The top of the workbench is slidably connected to a moving component, and the moving component comprises a U-shaped frame, the inner wall of the U-shaped frame is rotatably connected to a rotating shaft, and the top of the moving component is rotatably connected to a spray gun assembly, and the spray gun assembly is fixedly mounted on the outer wall of the rotating shaft. The spray gun assembly comprises a flame nozzle and an oxygen nozzle, and the flame nozzle and the oxygen nozzle are used for surface modification treatment of titanium alloy implants.
[0007] Preferably, the slide groove one includes the slide groove two, and the slide groove two is opened on the inner walls on the left and right sides of the slide groove one, the outer wall of the clamping plate is slidably connected to the inner wall of the slide groove two, the inner wall of the slide groove one is rotatably connected to the positive and negative threaded screws through bearings, the outer walls on the left and right sides of the positive and negative threaded screws are respectively connected to the clamping plates through threads, and a through groove is opened at the bottom of the clamping plate.
[0008] Preferably, a slot is provided on the top of the clamping plate, a clamping block 1 is fixedly installed on the inner wall of the right slot, a clamping block 2 is fixedly installed on the inner wall of the left slot, a servo motor 1 is fixedly installed on the outer wall of the workbench, and the outer wall of the output end of the servo motor 1 is fixedly connected to the ends of the positive and negative screws.
[0009] Preferably, the workbench includes a slide groove three, and the top of the workbench is symmetrically provided with a slide groove three, the inner wall of the slide groove three is rotatably connected to the screw one through a bearing, the two screws one are connected through a synchronous pulley and a synchronous belt transmission, and the screw one is driven by a servo motor three.
[0010] Preferably, the moving component includes a slide, the outer walls on the left and right sides of the slide are provided with threaded holes, a top plate is fixedly installed on the top of the slide, a circular groove is provided on the top of the top plate, and the inner wall of the circular groove is rotatably connected to screw two through a bearing.
[0011] Preferably, the inner wall of the circular groove is slidably connected to a slider, a threaded hole 2 is opened on the inner wall of the slider, the inner wall of the threaded hole 2 is threadedly connected to the outer wall of the second lead screw, and the second lead screw is driven by a fourth servo motor.
[0012] Preferably, a U-shaped frame is fixedly installed at the bottom of the slider, two U-shaped frames are symmetrically arranged on the left and right, and a second servo motor is fixedly installed on the outer wall of the U-shaped frame, and the output shaft of the second servo motor is fixedly connected to the rotating shaft.
[0013] Preferably, the spray gun assembly comprises a nozzle rack, which is rotatably connected to the outer wall of the rotating shaft, a flame nozzle and an oxygen nozzle are fixedly installed on the top of the nozzle rack, and a valve 1 is fixedly installed on the outer wall of the flame nozzle.
[0014] Preferably, a second valve is fixedly installed on the outer wall of the oxygen spray head. An oxygen tank and a gas tank are fixedly installed on the top of the workbench. The output end of the oxygen tank is connected to the oxygen spray head through a first conduit, and the output end of the gas tank is connected to the flame spray head through a second conduit.
[0015] A method for using a device for surface modification treatment of a titanium alloy implant for medical use includes the following specific operation steps:
[0016] S1: By driving the first servo motor, the first servo motor drives the left - right threaded lead screw to drive the two clamping plates to separate. Then, the titanium alloy implant to be surface - modified is placed into the inner wall of the first clamping block for insertion. Subsequently, by driving the left - right threaded lead screw, the two clamping plates are controlled to close, and the bottom of the titanium alloy implant is fixed through the butt - joint of the first clamping block and the second clamping block.
[0017] S2: Subsequently, by driving the third servo motor, the third servo motor drives the first lead screw, and the first lead screw drives the sliding table to move above the clamping plate.
[0018] S3: Open the valves at the output ends of the oxygen tank and the gas tank respectively. Then, open the first valve and the second valve respectively, light the flame spray head, and evenly spray high - temperature flame on the surface of the titanium alloy implant through the flame spray head. At the same time, spray oxygen on the combustion position of the flame spray head through the oxygen spray head.
[0019] S4: By driving the second servo motor, the second servo motor drives the rotating shaft to rotate, so that the rotating shaft drives the spray head frame to rotate. The flame spray head and the oxygen spray head are driven by the spray head frame to deflect synchronously, and high - temperature flame and oxygen are evenly sprayed on the left and right sides of the titanium alloy implant, so that a dense protective layer is formed on the surface of the titanium alloy under the action of high temperature and oxygen.
[0020] The beneficial effects of the present invention are as follows:
[0021] 1. By setting up the spray gun combination, the surface of the titanium alloy material on the surface of the titanium alloy implant is oxidized under the action of high - temperature oxidation reaction, so that the titanium alloy melts and redistributes, and a dense protective layer is formed on the surface of the titanium alloy implant, thereby improving the wear resistance and oxidation resistance during the long - term use of the titanium alloy implant.
[0022] 2. By setting up the moving component, it is convenient to drive the slider to move by driving the second lead screw. At the same time, in cooperation with the rotation of the rotating shaft, the spray head frame is horizontally moved and the direction is adjusted by flipping in space, which improves the working range of the spray head frame, improves the practicality of the equipment use, and improves the processing efficiency and processing quality of the surface modification of the titanium alloy material on the surface of the titanium alloy implant. Description of the Drawings
[0023] Figure 1Schematic front view structure provided by the present invention;
[0024] Figure 2 Schematic rear view structure provided by the present invention;
[0025] Figure 3 Schematic workbench structure provided by the present invention;
[0026] Figure 4 Schematic clamping plate structure provided by the present invention;
[0027] Figure 5 Schematic working structure of the clamping plate provided by the present invention;
[0028] Figure 6 Schematic mounting structure of the sliding table provided by the present invention;
[0029] Figure 7 Schematic bottom view structure of the sliding table provided by the present invention;
[0030] Figure 8 Schematic top view structure of the sliding table provided by the present invention.
[0031] In the figure: workbench 100, first chute 110, second chute 120, positive and negative thread lead screw 130, bearing seat, clamping plate 140, through slot 141, card slot 142, first clamping block 143, second clamping block 144, first servo motor 150, second chute 160, first lead screw 170, sliding table 200, first threaded hole 210, top plate 220, return groove 221, second lead screw 222, slider 230, second threaded hole 231, U-shaped frame 240, rotating shaft 250, second servo motor 250, nozzle holder 300, flame nozzle 310, first valve 320, oxygen nozzle 330, second valve 331, oxygen tank 340, first conduit 341, gas tank 350, second conduit 350. Embodiment
[0032] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.
[0033] Refer to the appendix Figure 1-8, a surface modification treatment device for a medical titanium alloy implant. To achieve the above object, the present invention provides the following technical solutions: A surface modification treatment device for a medical titanium alloy implant includes a workbench 100. By setting the workbench 100, it is used for installing the moving component of the clamping plate 140. A chute one 110 is opened at the top of the workbench 100. The inner wall of the chute one 110 is slidably connected to the clamping plate 140. The two clamping plates 140 cooperate to clamp the titanium alloy implant. By setting the two clamping plates 140 to cooperate, it is used to clamp and fix the titanium alloy implant to be subjected to metal modification operation. The chute one 110 and the chute two 120 cooperate to limit the sliding of the clamping plate 140. A moving component is slidably connected to the top of the workbench 100. By setting the moving component, it is used for installing the spray gun assembly. At the same time, it can drive the spray gun assembly to move above the clamping plate 140 to adjust the spraying angles of the flame nozzle 310 and the oxygen nozzle 330, so as to facilitate uniformly spraying high-temperature flame on the surface of the titanium alloy implant through the flame nozzle 310 and the oxygen nozzle 330 and providing oxygen to promote the oxidation reaction, and form a dense protective layer on the surface of the titanium alloy implant. The moving component includes a U-shaped frame 240. The inner wall of the U-shaped frame 240 is rotatably connected to a rotating shaft 250. The top of the moving component is rotatably connected to the spray gun assembly. The spray gun assembly is fixedly installed on the outer wall of the rotating shaft 250. The spray gun assembly includes a flame nozzle 310 and an oxygen nozzle 330. The flame nozzle 310 and the oxygen nozzle 330 are used for surface modification treatment of the titanium alloy implant. By setting the oxygen nozzle 330 to spray oxygen and setting the flame nozzle 310 to spray high-temperature flame, it is convenient to heat up the surface of the titanium alloy implant and promote the oxidation reaction on the surface of the titanium alloy implant.
[0034] The chute one 110 includes the chute two 120. By setting the chute two 120, it is used to improve the stability of the clamping plate 140 when moving in the chute one 110. The chute two 120 is opened on the left and right inner walls of the chute one 110. The outer wall of the clamping plate 140 is slidably connected to the inner wall of the chute two 120. The inner wall of the chute one 110 is rotatably connected to a positive and negative thread lead screw 130 through a bearing. By setting the positive and negative thread lead screw 130, it is convenient to synchronously drive the two clamping plates 140 to move towards or away from each other when rotating, so as to facilitate clamping or releasing the titanium alloy implant through the clamping plate 140 and improve the stability of clamping the titanium alloy implant. The left and right outer walls of the positive and negative thread lead screw 130 are respectively threadedly connected to the clamping plate 140. A through groove 141 is opened at the bottom of the clamping plate 140.
[0035] A slot 142 is provided on the top of the clamping plate 140, and a clamping block 143 is fixedly installed on the inner wall of the right slot 142, and a clamping block 144 is fixedly installed on the inner wall of the left slot 142. The clamping block 143 and the clamping block 144 are used together to fix and loosen the titanium alloy implant, thereby improving the practicality and structural stability of the equipment. A servo motor 150 is fixedly installed on the outer wall of the workbench 100, and the outer wall of the output end of the servo motor 150 is fixedly connected to the end of the forward and reverse screw 130. A through slot 141 is provided to reserve space for the bearing seat in the middle of the forward and reverse screw 130, thereby avoiding motion interference at the bottom threaded connection of the two clamping plates 140, and a servo motor 150 is provided to drive the forward and reverse screw 130 to rotate forward and reverse.
[0036] The workbench 100 includes a slide groove 160. The slide groove 160 is symmetrically opened on the top of the workbench 100. The inner wall of the slide groove 160 is rotatably connected to the screw 170 through a bearing. The two screws 170 are connected through a synchronous pulley and a synchronous belt transmission. The screw 170 is driven by a servo motor 3 (not marked in the figure). The slide groove 160 is provided to install the screw 170. At the same time, the slide groove 160 has a mobile limiting function on the bottom of the slide 200. The servo motor 3 is provided to drive the screw 170 to rotate.
[0037] The moving assembly includes a slide 200, which is used to install a U-shaped frame 240, so that the nozzle frame 300 can be installed through the U-shaped frame 240. The outer walls of the left and right sides of the slide 200 are provided with threaded holes 210, which are threadedly connected with the second screw 222 by setting the threaded hole 210 to drive the slide 200 to move in the left and right directions. The top of the slide 200 is fixedly installed with a top plate 220, and the top of the top plate 220 is provided with a circular groove 221. The circular groove 221 is used for sliding connection with the slider 230, and the inner wall of the circular groove 221 is rotatably connected to the second screw 222 through a bearing, and the inner wall of the circular groove 221 is slidably connected to the slider 230. A second threaded hole 231 is provided on the inner wall of 230, and the inner wall of the second threaded hole 231 is threadedly connected to the outer wall of the second lead screw 222, and the second lead screw 222 is driven by a servo motor 4. A U-shaped frame 240 is fixedly installed at the bottom of the slider 230. The U-shaped frame 240 is used to install a second servo motor 260 and a rotating shaft 250, so that the rotating shaft 250 is driven to rotate by the second servo motor 260, so that the rotating shaft 250 drives the flame nozzle 310 and the oxygen nozzle 330 to flip and adjust the working angle. Two U-shaped frames 240 are symmetrically arranged on the left and right. The second servo motor 260 is fixedly installed on the outer wall of the U-shaped frame 240, and the output shaft of the second servo motor 260 is fixedly connected to the rotating shaft 250.
[0038] The spray gun assembly includes a nozzle holder 300. By setting the nozzle holder 300 to install the flame nozzle 310 and the oxygen nozzle 330, the nozzle holder 300 is rotatably connected to the outer wall of the rotating shaft 250. The flame nozzle 310 and the oxygen nozzle 330 are fixedly installed at the top of the nozzle holder 300. The valve one 320 is fixedly installed on the outer wall of the flame nozzle 310.
[0039] The valve two 331 is fixedly installed on the outer wall of the oxygen nozzle 330. By setting the oxygen tank 340 to store oxygen, the oxygen can be transported to the oxygen nozzle 330. The oxygen tank 340 and the gas tank 350 are fixedly installed at the top of the workbench 100. The connection between the output end of the oxygen tank 340 and the oxygen nozzle 330 is made through the conduit one 341, and the connection between the output end of the gas tank 350 and the flame nozzle 310 is made through the conduit two 360. By setting the gas tank 350 to store natural gas, the gas tank 350 provides natural gas as fuel for the flame nozzle 310 to perform high-temperature combustion on the surface of the titanium alloy implant, promoting the formation of a dense oxide layer on the surface of the titanium alloy implant as a protective layer.
[0040] A method for using a device for surface modification treatment of a medical titanium alloy implant includes the following specific operation steps:
[0041] A method for using a device for surface modification treatment of a medical titanium alloy implant includes the following specific operation steps:
[0042] S1: By driving the servo motor one 150, the servo motor one 150 drives the left - right - hand screw 130 to drive the two clamping plates 140 to separate. Then, the titanium alloy implant to be surface - modified is placed into the inner wall of the clamping block one 143 for insertion. Subsequently, by driving the left - right - hand screw 130, the two clamping plates 140 are controlled to close, and the bottom of the titanium alloy implant is fixed through the butt - joint of the clamping block one 143 and the clamping block two 144.
[0043] S2: Subsequently, by driving the servo motor three, the servo motor three drives the screw one 170, and the screw one 170 drives the slide table 200 to move above the clamping plate 140.
[0044] S3: Open the valves at the output ends of the oxygen tank 340 and the gas tank 350 respectively. Then, open the valve one 320 and the valve two 331 respectively, and light the flame nozzle 310. The flame nozzle 310 evenly sprays high - temperature flame on the surface of the titanium alloy implant, and at the same time, the oxygen nozzle 330 sprays oxygen at the position where the flame nozzle 310 burns.
[0045] S4: By driving the second servo motor 260, the second servo motor 260 drives the rotating shaft 250 to rotate, so that the rotating shaft 250 drives the nozzle holder 300 to rotate. By driving the nozzle holder 300, the flame nozzle 310 and the oxygen nozzle 330 are synchronously deflected to uniformly spray flame and oxygen on the left and right sides of the titanium alloy implant, so as to form a dense protective layer on the titanium alloy surface under the action of high temperature and oxygen.
[0046] The above are only the preferred embodiments of the present invention. Any person skilled in the art may modify the present invention by using the technical solutions described above or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement made according to the technical solutions of the present invention falls within the scope of protection required by the present invention.
Claims
1. A surface modification treatment device for a titanium alloy implant for medical use, characterized in that: The invention comprises a workbench (100), wherein a slide groove (110) is provided on the top of the workbench (100), wherein the inner wall of the slide groove (110) is slidably connected to a clamping plate (140), wherein two clamping plates (140) cooperate to clamp a titanium alloy implant, wherein the top of the workbench (100) is slidably connected to a moving component, wherein the moving component comprises a U-shaped frame (240), wherein the inner wall of the U-shaped frame (240) is rotatably connected to a rotating shaft (250), wherein the top of the moving component is rotatably connected to a spray gun assembly, wherein the spray gun assembly is fixedly mounted on the outer wall of the rotating shaft (250), wherein the spray gun assembly comprises a flame spray head (310) and an oxygen spray head (330), wherein the flame spray head (310) and the oxygen spray head (330) are used for surface modification of the titanium alloy implant.
2. The surface modification treatment device for a titanium alloy implant for medical use according to claim 1, characterized in that, The slide groove one (110) includes a slide groove two (120), and the slide groove two (120) is opened on the inner walls of the slide groove one (110) on the left and right sides. The outer wall of the clamping plate (140) is slidably connected to the inner wall of the slide groove two (120). The inner wall of the slide groove one (110) is rotatably connected to the positive and negative threaded screw (130) through a bearing. The outer walls of the left and right sides of the positive and negative threaded screw (130) are respectively connected to the clamping plate (140) through threads, and a through groove (141) is opened at the bottom of the clamping plate (140).
3. The surface modification treatment device for a titanium alloy implant for medical use according to claim 2, characterized in that, A slot (142) is provided on the top of the clamping plate (140); a clamping block 1 (143) is fixedly mounted on the inner wall of the right slot (142); a clamping block 2 (144) is fixedly mounted on the inner wall of the left slot (142); a servo motor 1 (150) is fixedly mounted on the outer wall of the workbench (100); and the outer wall of the output end of the servo motor 1 (150) is fixedly connected to the end of the positive and negative threaded screw (130).
4. The surface modification treatment device for a titanium alloy implant for medical use according to claim 3, characterized in that, The workbench (100) comprises a slide groove three (160), and the top of the workbench (100) is symmetrically provided with a slide groove three (160), and the inner wall of the slide groove three (160) is rotatably connected to the lead screw one (170) through a bearing, and the two lead screws one (170) are connected through a synchronous pulley and a synchronous belt transmission, and the lead screw one (170) is driven by a servo motor three.
5. The surface modification treatment device for a titanium alloy implant for medical use according to claim 4, characterized in that, The moving assembly comprises a slide (200), the outer walls of the left and right sides of the slide (200) are provided with threaded holes (210), a top plate (220) is fixedly mounted on the top of the slide (200), a circular groove (221) is provided on the top of the top plate (220), and the inner wall of the circular groove (221) is rotatably connected to a lead screw (222) via a bearing.
6. The surface modification treatment device for a titanium alloy implant for medical use according to claim 5, characterized in that, The inner wall of the circular groove (221) is slidably connected to a slider (230), the inner wall of the slider (230) is provided with a second threaded hole (231), the inner wall of the second threaded hole (231) is threadedly connected to the outer wall of the second lead screw (222), and the second lead screw (222) is driven by a fourth servo motor.
7. The surface modification treatment device for a titanium alloy implant for medical use according to claim 6, characterized in that, A U-shaped frame (240) is fixedly mounted on the bottom of the slider (230), two U-shaped frames (240) are symmetrically arranged on the left and right, a second servo motor (260) is fixedly mounted on the outer wall of the U-shaped frame (240), and an output shaft of the second servo motor (260) is fixedly connected to the rotating shaft (250).
8. The surface modification treatment device for a titanium alloy implant for medical use according to claim 7, characterized in that, The spray gun assembly includes a nozzle holder (300), the nozzle holder (300) is rotatably connected to the outer wall of a rotating shaft (250), a flame nozzle (310) and an oxygen nozzle (330) are fixedly installed at the top of the nozzle holder (300), and a first valve (320) is fixedly installed on the outer wall of the flame nozzle (310).
9. The surface modification treatment device for a titanium alloy implant for medical use according to claim 8, characterized in that, A second valve (331) is fixedly installed on the outer wall of the oxygen nozzle (330), an oxygen tank (340) and a gas tank (350) are fixedly installed at the top of the workbench (100), a first conduit (341) is connected between the output end of the oxygen tank (340) and the oxygen nozzle (330), and a second conduit (360) is connected between the output end of the gas tank (350) and the flame nozzle (310).
10. A method for using the surface modification treatment device for a titanium alloy implant for medical use according to any one of claim 9, characterized in that, The specific operation steps are as follows: S1: By driving the first servo motor (150), the first servo motor (150) drives the left - hand and right - hand lead screw (130) to drive two clamping plates (140) to separate. Subsequently, the titanium alloy implant to be modified is placed into the inner wall of the first clamping block (143) for insertion. Then, by driving the left - hand and right - hand lead screw (130), the two clamping plates (140) are controlled to close, and the bottom of the titanium alloy implant is fixed through the butt - joint of the first clamping block (143) and the second clamping block (144). S2: Subsequently, by driving the third servo motor, the third servo motor drives the first lead screw (170), so that the first lead screw (170) drives the sliding table (200) to move above the clamping plate (140). S3: The valves at the output ends of the oxygen tank (340) and the gas tank (350) are opened respectively. Subsequently, the first valve (320), the second valve (331) are opened respectively, and the flame nozzle (310) is ignited. The high - temperature flame is evenly sprayed on the surface of the titanium alloy implant through the flame nozzle (310), and at the same time, oxygen is sprayed on the burning position of the flame nozzle (310) through the oxygen nozzle (330). S4: By driving the second servo motor (260), the second servo motor (260) drives the rotating shaft (250) to rotate, so that the rotating shaft (250) drives the nozzle holder (300) to rotate. The flame nozzle (310) and the oxygen nozzle (330) are driven by the nozzle holder (300) to deflect synchronously, and the flame and oxygen are evenly sprayed on the left and right sides of the titanium alloy implant, so that a dense protective layer is formed on the surface of the titanium alloy under the action of high temperature and oxygen.
Citation Information
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