Orthopedic position searching and error eliminating grinding drill

Abstract

The invention provides an orthopedics department position searching and error eliminating grinding drill, and belongs to the technical field of medical instruments. The invention provides an orthopedic locating and error eliminating grinding drill which comprises a barrel, a grinding assembly, a first locating and error eliminating assembly and a sensing assembly, and a power supply part is arranged in an installation space of the barrel; the grinding assembly comprises a grinding motor, a spring shaft, a drill rod and a drill bit, and the grinding motor is arranged at the right end of the mounting space and drives the spring shaft, the drill rod and the drill bit to rotate; the first locating and error eliminating assembly comprises a first locating motor, a first adjusting barrel and a first adjusting piece, the first adjusting barrel is hinged to the right end of the barrel, the drill bit penetrates through the right side wall of the first adjusting barrel, and the first locating motor adjusts the angle of the first adjusting barrel through the first adjusting piece to adjust the angle of the drill bit and controls the drill bit to eliminate placement errors; the sensing assembly is used for sensing the positions of the barrel and the drill rod. According to the orthopedic locating and error eliminating grinding drill, under the navigation effect of the sensing assembly, the drill bit is controlled to automatically move to a specified area.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to an orthopedic positioning and error-eliminating grinding drill. Background Art

[0002] Total knee replacement is an effective method for treating end-stage knee osteoarthritis. For cases with severe degeneration of the tibiofemoral compartment on one side and no pain or discomfort in the contralateral compartment, unicompartmental knee replacement can be used to replace the damaged cartilage surface of the tibiofemoral joint. Before installing the prosthesis in unicompartmental knee replacement, the femoral and tibial bone surfaces need to be polished to remove the worn or inflamed bone, so that the patient's bone surface fits the shape of the prosthesis, and then the prosthesis is installed on the polished bone surface. In the process of bone polishing, the range and degree of bone surface polishing are generally determined based on the experience of medical staff. During the operation, the bone surface needs to be continuously adjusted according to the specific shape of the prosthesis, and a trial mold needs to be performed. According to the results of the trial mold, the bone surface is adjusted, which requires a high level of technical skills of medical staff, takes a long time, and the control accuracy of the polishing area is poor. Summary of the invention

[0003] The purpose of the present invention is to provide an orthopedic positioning and error-eliminating grinding drill, aiming to solve the problems of long time consumption, low efficiency and poor accuracy in the bone surface grinding process.

[0004] To achieve the above object, the technical solution adopted by the present invention is to provide an orthopedic positioning and error-eliminating grinding drill, comprising:

[0005] A cylinder, wherein an installation space is provided inside the cylinder, and a power supply member is provided at the left end of the installation space;

[0006] A grinding assembly, the grinding assembly comprising a grinding motor, a spring shaft, a drill rod and a drill bit, the grinding motor being connected to the power supply, the grinding motor being arranged at the right end of the installation space, the spring shaft being arranged at the driving end of the right end of the grinding motor, and the drill rod connecting the spring shaft and the drill bit;

[0007] A first positioning error elimination component, the first positioning error elimination component comprises a first positioning motor, a first adjustment cylinder and a first adjustment member, the first adjustment cylinder is hinged on the right end opening of the cylinder body, the first positioning motor is arranged between the power supply member and the grinding motor, the first adjustment member connects the first positioning motor and the first adjustment cylinder, the drill bit passes through the right side wall of the first adjustment cylinder, the first positioning motor adjusts the angle of the drill bit by adjusting the angle of the first adjustment cylinder through the first adjustment member, and controls the drill bit to eliminate placement errors; and

[0008] A sensor assembly is used to sense the positions of the cylinder and the drill rod.

[0009] In a possible implementation, the front side of the left end opening of the first adjustment cylinder is hinged to the front side of the right end opening of the cylinder body, and the rear side of the left end opening of the first adjustment cylinder is hinged to the rear side of the right end opening of the cylinder body, and the first adjustment member controls the first adjustment cylinder to have the freedom of rotation in the up and down directions.

[0010] In a possible implementation, the first adjustment member includes a first adjustment ring, a first adjustment upper pull rope and a first adjustment lower pull rope, the first adjustment ring is arranged at the driving end on the right side of the first positioning motor, the first adjustment ring is rotatably arranged between the inner side walls of the cylinder, the right end of the first adjustment upper pull rope is arranged at the upper end of the first adjustment cylinder, the left end of the first adjustment upper pull rope is arranged at the upper end of the first adjustment ring, the first adjustment lower pull rope is arranged corresponding to the first adjustment upper pull rope, and is arranged at the lower end of the first adjustment ring, the first positioning motor drives the first adjustment cylinder to rotate, and drives the first adjustment cylinder to rotate in the up and down directions.

[0011] In a possible implementation, a first upper adjustment groove is provided on the upper end side wall of the first adjustment ring, the first upper adjustment groove is inclined, a first upper sliding column is provided at the left end of the first adjustment upper pull rope, the first upper sliding column is slidably provided in the first upper adjustment groove, a first lower adjustment groove is provided on the lower end side wall of the first adjustment ring, the first lower adjustment groove is inclined and has an inclination direction opposite to that of the first upper adjustment groove, a first lower sliding column is provided at the left end of the first adjustment lower pull rope, the first lower sliding column is slidably provided in the first lower adjustment groove.

[0012] In a possible implementation, a clearance hole suitable for the first adjustment upper pull rope and the first adjustment lower pull rope to pass through is provided on the side wall of the cylinder.

[0013] In a possible implementation, the thickness of the side wall of the cylinder is greater than the thickness of the side wall of the first adjustment cylinder, and the right end of the first adjustment upper pull rope passes through the side wall of the cylinder and is arranged on the inner wall of the first adjustment cylinder.

[0014] In a possible implementation, a first circumferential groove is provided on the side wall of the first adjustment ring, a first cylinder wall groove is provided on the side wall of the cylinder body, the first cylinder wall groove is provided corresponding to the first circumferential groove, and a first ball is provided between the first circumferential groove and the first cylinder wall groove.

[0015] In a possible implementation, a first circumferential baffle for limiting the first ball is provided on the side wall of the first circumferential groove.

[0016] In a possible implementation, a second positioning error elimination component is also provided, including a second positioning motor, a second adjusting cylinder and a second adjusting member, the left end of the second adjusting cylinder is hinged to the right end opening of the cylinder body, the right end of the second adjusting cylinder is hinged to the left end opening of the first adjusting cylinder, the second positioning motor is arranged between the power supply and the first positioning motor, the second adjusting member connects the second positioning motor and the second adjusting cylinder, and the second positioning motor adjusts the angle of the drill bit by adjusting the angle of the second adjusting cylinder, thereby controlling the drill bit to eliminate placement errors.

[0017] In a possible implementation, the upper end of the left opening of the second adjustment cylinder is hinged to the upper end of the right opening of the cylinder body, and the lower end of the left opening of the second adjustment cylinder is hinged to the lower end of the right opening of the cylinder body, and the second adjustment member controls the second adjustment cylinder to have freedom of rotation in the front-to-back direction.

[0018] The beneficial effects of the orthopedic positioning and error-eliminating grinding drill provided by the present invention are:

[0019] Compared with the prior art, a barrel, a grinding assembly, a first positioning and error elimination assembly and a sensor assembly are provided. An installation space is provided inside the barrel. A power supply is provided at the left end of the installation space. The power supply is used to supply power to the grinding assembly and the first positioning and error elimination assembly. The grinding assembly includes a grinding motor, a spring shaft, a drill rod and a drill bit. The left end of the grinding motor is connected to the power supply. The driving end of the grinding motor is provided at the right end of the grinding motor. The spring shaft, the drill rod and the drill bit are arranged in sequence from left to right. The left end of the spring shaft is connected to the driving end of the grinding motor. The driving motor starts to control the rotation of the drill bit to grind the bone surface. The first positioning and error elimination assembly includes a first positioning motor, a first adjustment barrel and a first adjustment member. The left end of the first positioning motor is connected to the power supply. The left end opening of the first adjustment barrel is hinged on the right end opening of the barrel. The drill bit is arranged through the right side wall of the barrel. The first adjusting part connects the first positioning motor and the first adjusting cylinder, and the sensor component is used to sense the positions of the cylinder and the drill rod. During the use of the device, the sensor component transmits the positions of the cylinder and the drill rod to the navigation control device. When the drill bit is located in the specified area that needs to be ground, the grinding motor is controlled to rotate and the drill bit is ground. When the drill bit is located outside the edge of the specified area that needs to be ground, the first positioning motor drives the first adjusting cylinder to rotate by controlling the first adjusting part, changes the angular position of the drill bit, eliminates the error of drill bit placement, and prompts the drill bit to find the specified area that needs to be ground. When the drill bit is located in the specified area for grinding, the grinding operation starts. When the drill bit is far away from the specified area that needs to be ground, it exceeds the adjustment range of the first positioning and error elimination component, and the grinding operation is stopped. The operation is simple and convenient, and the grinding range and the degree of bone surface grinding are accurately controlled to improve the surgical efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the front view structure of an orthopedic positioning and error-eliminating grinding drill provided by an embodiment of the present invention;

[0022] Figure 2 A schematic diagram of the internal front view structure of an orthopedic positioning and error-eliminating grinding drill provided by an embodiment of the present invention;

[0023] Figure 3 A front view structural schematic diagram of a first positioning motor used in an embodiment of the present invention;

[0024] Figure 4 A schematic diagram of the top structure of a first adjustment ring used in an embodiment of the present invention;

[0025] Figure 5 A bottom view schematic diagram of the structure of a first adjustment ring used in an embodiment of the present invention;

[0026] Figure 6 This is a front view structural schematic diagram of the second positioning motor used in an embodiment of the present invention.

[0027] In the figure: 1, cylinder; 2, power supply; 3, grinding motor; 4, spring shaft; 5, drill rod; 6, drill bit; 7, first positioning motor; 8, first adjustment cylinder; 9, first adjustment ring; 10, first adjustment upper pull rope; 11, first adjustment lower pull rope; 12, first upper adjustment groove; 13, first upper slide column; 14, first lower adjustment groove; 15, first lower slide column; 16, first circumferential groove; 17, first ball; 18, first circumferential baffle; 19, second positioning motor; 20 , the second adjustment cylinder; 21, the second upper hinge shaft; 22, the second upper hinge plate; 23, the second lower hinge shaft; 24, the second lower hinge plate; 25, the second adjustment ring; 26, the second adjustment front pull rope; 27, the second adjustment rear pull rope; 28, the second front adjustment groove; 29, the second front slide column; 30, the second circumferential groove; 31, the second cylinder wall groove; 32, the second circumferential baffle; 33, the second ball; 34, the sensor assembly; 35, the first front hinge shaft; 36, the first front hinge plate. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] Please refer to Figures 1 to 5 A specific embodiment of an orthopedic positioning and error-eliminating grinding drill provided by the present invention is now described, including a barrel 1, a grinding component, a first positioning and error-eliminating component and a sensor component 34. An installation space is provided inside the barrel 1, and a power supply 2 is provided at the left end of the installation space; the grinding component includes a grinding motor 3, a spring shaft 4, a drill rod 5 and a drill bit 6, the grinding motor 3 is connected to the power supply 2, the grinding motor 3 is arranged at the right end of the installation space, the spring shaft 4 is arranged at the driving end of the right end of the grinding motor 3, and the drill rod 5 connects the spring shaft 4 and the drill bit 6; the A positioning error elimination component includes a first positioning motor 7, a first adjustment cylinder 8 and a first adjustment member. The first adjustment cylinder 8 is hinged on the right end opening of the cylinder body 1. The first positioning motor 7 is arranged between the power supply 2 and the grinding motor 3. The first adjustment member connects the first positioning motor 7 and the first adjustment cylinder 8. The drill bit 6 passes through the right side wall of the first adjustment cylinder 8. The first positioning motor 7 adjusts the angle of the drill bit 6 by adjusting the angle of the first adjustment cylinder 8 through the first adjustment member, and controls the drill bit 6 to eliminate placement errors. The sensor component 34 is used to sense the position of the cylinder body 1 and the drill rod 5.

[0030] The orthopedic positioning and error-eliminating grinding drill provided by the present invention has an installation space arranged inside the cylinder 1, a power supply 2 is arranged at the left end of the installation space, the power supply 2 is used to supply power to the grinding assembly and the first positioning and error-eliminating assembly, the grinding assembly comprises a grinding motor 3, a spring shaft 4, a drill rod 5 and a drill bit 6, the left end of the grinding motor 3 is connected to the power supply 2, the driving end of the grinding motor 3 is arranged at the right end of the grinding motor 3, the spring shaft 4, the drill rod 5 and the drill bit 6 are arranged in sequence from left to right, the left end of the spring shaft 4 is connected to the driving end of the grinding motor 3, the driving motor starts to control the rotation of the drill bit 6 to grind the bone surface, the first positioning and error-eliminating assembly comprises a first positioning motor 7, a first adjusting cylinder 8 and a first adjusting member, the left end of the first positioning motor 7 is connected to the power supply 2, the left end opening of the first adjusting cylinder 8 is hinged on the right end opening of the cylinder 1, the drill bit 6 passes through the right side wall of the cylinder 1, and the first adjusting member is connected to the power supply 2. The first positioning motor 7 is connected to the first adjustment cylinder 8, and the sensor component 34 is used to sense the positions of the cylinder 1 and the drill rod 5. During the use of the device, the sensor component 34 transmits the positions of the cylinder 1, the first adjustment cylinder 8, and the drill rod 5 to the navigation control device. When the drill bit 6 is located in the specified area to be ground, the grinding motor 3 is controlled to rotate, and the drill bit 6 is ground. When the drill bit 6 is located outside the edge of the specified area to be ground, the first positioning motor 7 drives the first adjustment cylinder 8 to rotate by controlling the first adjustment member, changes the angular position of the drill bit 6, eliminates the error of the placement of the drill bit 6, and prompts the drill bit 6 to find the specified area to be ground. When the drill bit 6 is located in the specified area for grinding, the grinding operation is started. When the drill bit 6 is far away from the specified area to be ground, it exceeds the adjustment range of the first positioning and error elimination component, and the grinding operation is stopped. The operation is simple and convenient, and the grinding range and the degree of bone surface grinding are accurately controlled to improve the surgical efficiency.

[0031] For details, please refer to Figures 1 to 5The installation space inside the cylinder 1 is arranged along the length direction of the cylinder 1, the power supply 2 is arranged at the left end of the installation space, the power supply 2 is used to supply power to the grinding motor 3 and the first positioning motor 7, the power supply 2, the grinding motor 3, and the first positioning motor 7 are arranged from left to right, the driving end of the grinding motor 3 is arranged at the right end of the grinding motor 3, the driving end of the grinding motor 3 is connected to the spring shaft 4, the spring shaft 4 is connected to the drill rod 5, the drill rod 5 is connected to the drill bit 6, the spring shaft 4 can produce a certain amount of deformation when transmitting power, the driving end of the first positioning motor 7 is arranged at the right end of the first positioning motor 7, the first adjustment The entire cylinder 8 is hinged on the right end opening of the cylinder body 1, and the first adjusting piece connects the first positioning motor 7 and the first adjusting cylinder 8. The driving end of the first positioning motor 7 drives the first adjusting piece, and the first adjusting piece drives the first adjusting cylinder 8 to rotate to achieve the angle adjustment of the first adjusting cylinder 8. A mounting piece is set at the right end of the first adjusting cylinder 8, and the right end of the drill rod 5 and the drill bit 6 pass through the mounting piece. The mounting piece is used for the installation of the drill rod 5 and does not affect the rotation of the drill rod 5. The first adjusting piece drives the angle adjustment of the first adjusting cylinder 8, and the first adjusting cylinder 8 exerts a force on the drill rod 5. Under the action of the spring shaft 4, the position of the drill bit 6 is adjusted.

[0032] For further information, please refer to Figures 1 to 5 The power supply 2 can be a battery, and the grinding motor 3 and the first positioning motor 7 can be hollow cup motors.

[0033] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 The front side of the left opening of the first adjusting cylinder 8 is hinged to the front side of the right opening of the cylinder body 1, and the rear side of the left opening of the first adjusting cylinder 8 is hinged to the rear side of the right opening of the cylinder body 1. The first adjusting member controls the first adjusting cylinder 8 to have the freedom of rotation in the up and down directions.

[0034] For details, please refer to Figures 1 to 5 The left end opening of the first adjusting cylinder 8 is hinged on the right end opening of the cylinder body 1, and a first front hinge shaft 35 is arranged on the side wall of the cylinder body 1, and the first front hinge shaft 35 is arranged horizontally along the radial direction of the cylinder body 1, and the first front hinge shaft 35 is arranged on the front side of the cylinder body 1, and a first front hinge plate 36 is arranged on the front side of the left end of the first adjusting cylinder 8, and the first front hinge plate 36 is sleeved on the first front hinge shaft 35. Correspondingly, a first rear hinge shaft is arranged on the rear side of the cylinder body 1, and the first rear hinge shaft and the first front hinge shaft 35 are located on the same horizontal line, and a first rear hinge plate is arranged on the rear side of the left end of the first adjusting cylinder 8, and the first rear hinge plate is sleeved on the first rear hinge shaft. Under the action of the first front hinge shaft 35 and the first rear hinge shaft, the first adjusting cylinder 8 has the freedom to rotate up and down in a vertical plane.

[0035] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 The first adjusting member includes a first adjusting ring 9, a first adjusting upper pull rope 10 and a first adjusting lower pull rope 11. The first adjusting ring 9 is arranged at the driving end on the right side of the first positioning motor 7. The first adjusting ring 9 is rotatably arranged between the inner side walls of the cylinder body 1. The right end of the first adjusting upper pull rope 10 is arranged at the upper end of the first adjusting cylinder 8. The left end of the first adjusting upper pull rope 10 is arranged at the upper end of the first adjusting ring 9. The first adjusting lower pull rope 11 is arranged corresponding to the first adjusting upper pull rope 10 and is arranged at the lower end of the first adjusting ring 9. The first positioning motor 7 drives the first adjusting cylinder 8 to rotate, and drives the first adjusting cylinder 8 to rotate in the up and down directions.

[0036] For details, please refer to Figures 1 to 5 The first adjustment member includes a first adjustment ring 9, a first adjustment upper pull rope 10 and a first adjustment lower pull rope 11. The first adjustment ring 9 is arranged on the right side of the first positioning motor 7. The driving end of the first positioning motor 7 is connected to the first adjustment ring 9 and is arranged at the center of the first adjustment ring 9. The first adjustment ring 9 is rotatably arranged inside the cylinder 1. The first adjustment upper pull rope 10 and the first adjustment lower pull rope 11 are arranged in the same vertical plane. The left end of the first adjustment upper pull rope 10 is arranged at the uppermost end of the first adjustment ring 9, and the left end of the first adjustment lower pull rope 11 is arranged at the first adjustment ring 9. The first adjusting lower pull rope 11 is arranged at the lowermost end of the cylinder body 1, the first adjusting upper pull rope 10 and the first adjusting lower pull rope 11 are arranged along the length direction of the cylinder body 1, the right end of the first adjusting upper pull rope 10 is arranged on the cylinder wall at the uppermost end of the left end of the first adjusting cylinder 8, and the right end of the first adjusting lower pull rope 11 is arranged on the cylinder wall at the lowermost end of the left end of the first adjusting cylinder 8, the first adjusting lower pull rope 11 and the first adjusting upper pull rope 10 are arranged opposite to each other, the first positioning motor 7 drives the first adjusting cylinder 8 to rotate, pulls the first adjusting lower pull rope 11 and the first adjusting upper pull rope 10, and then drives the first adjusting cylinder 8 to rotate in the up and down directions.

[0037] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 A first upper adjustment groove 12 is provided on the upper end side wall of the first adjustment ring 9, and the first upper adjustment groove 12 is inclined. A first upper sliding column 13 is provided at the left end of the first adjustment upper pull rope 10, and the first upper sliding column 13 is slidably set in the first upper adjustment groove 12. A first lower adjustment groove 14 is provided on the lower end side wall of the first adjustment ring 9, and the first lower adjustment groove 14 is inclined and has an inclination direction opposite to that of the first upper adjustment groove 12. A first lower sliding column 15 is provided at the left end of the first adjustment lower pull rope 11, and the first lower sliding column 15 is slidably set in the first lower adjustment groove 14.

[0038] For details, please refer to Figures 1 to 5The first upper adjustment groove 12 is arranged on the circumferential outer wall of the first adjustment ring 9. The first upper adjustment groove 12 is arranged along the outer wall of the first adjustment ring 9. The first upper adjustment groove 12 is an arc-shaped groove and is arranged on the upper side wall of the first adjustment ring 9. The first upper adjustment groove 12 is inclined. The center of the first upper adjustment groove 12 is located on the center line of the outer wall of the first adjustment ring 9. The first end of the first upper adjustment groove 12 is located on the left side of the center line of the outer wall of the first adjustment ring 9. The second end of the first upper adjustment groove 12 is located on the right side of the center line of the outer wall of the first adjustment ring 9. The first upper adjustment groove 12 is arranged at an angle to the center line of the outer wall of the first adjustment ring 9. The left end of the first adjustment upper pull rope 10 is provided with a first upper sliding column 13 The first upper sliding column 13 has the sliding freedom in the first upper adjustment groove 12, and the first lower adjustment groove 14 is arranged on the circumferential outer side wall of the first adjustment ring 9. The first lower adjustment groove 14 is arranged along the outer side wall of the first adjustment ring 9. The first lower adjustment groove 14 is an arc-shaped groove and is arranged on the side wall of the lower side of the first adjustment ring 9. The first lower adjustment groove 14 is inclined in the opposite direction to the first upper adjustment groove 12. In the horizontal direction, with the center line of the outer side wall of the first adjustment ring 9 as the axis, the first lower adjustment groove 14 and the first upper adjustment groove 12 are axially symmetrically arranged. The angles between the first lower adjustment groove 14, the first upper adjustment groove 12 and the center line of the outer side wall of the first adjustment ring 9 are equal, which is convenient for adjusting the angle of the first adjustment cylinder 8.

[0039] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 A clearance hole suitable for the first adjustment upper pull rope 10 and the first adjustment lower pull rope 11 to pass through is provided on the side wall of the cylinder 1.

[0040] For details, please refer to Figures 1 to 5The side wall of the cylinder 1 is provided with a clearance hole, and there are multiple groups of the clearance holes, which are arranged one by one with the first adjustment upper pull rope 10 and the first adjustment lower pull rope 11. The side wall of the cylinder 1 is provided with an upper clearance groove suitable for the upper end of the first upper sliding column 13 to penetrate. The left end of the first adjustment upper pull rope 10 passes through the side wall of the upper clearance groove and is arranged at the upper end of the first upper sliding column 13. The right end of the first adjustment upper pull rope 10 passes through the right end of the side wall of the cylinder 1 and penetrates into the first adjustment cylinder 8. The cylinder The side wall of the cylinder 1 is provided with a lower clearance groove suitable for the lower end of the first sliding column 15 to penetrate. The left end of the first adjustment lower pull rope 11 penetrates from the side wall of the lower clearance groove and is arranged at the lower end of the first sliding column 15. The right end of the first adjustment lower pull rope 11 penetrates from the right end of the side wall of the cylinder 1 and penetrates into the first adjustment cylinder 8. Under the action of the clearance hole, the first adjustment upper pull rope 10 and the first adjustment lower pull rope 11 have the sliding freedom along the length direction of the cylinder 1. When the first adjustment ring 9 rotates When the first adjusting ring 9 is rotated, the first upper adjusting groove 12 and the first lower adjusting groove 14 rotate synchronously with the first adjusting ring 9. As the positions of the first upper adjusting groove 12 and the first lower adjusting groove 14 change, the first upper sliding post 13 slides relative to the first upper adjusting groove 12, and the first upper adjusting groove 12 drives the first upper sliding post 13 to slide along the length direction of the cylinder 1, and under the action of the give way hole, the first upper sliding post 13 is prevented from sliding in the circumferential direction. Correspondingly, the first lower sliding post 15 slides relative to the first lower adjusting groove 14, and the first lower adjusting groove 14 drives the first lower sliding post 15 to slide along the length direction of the cylinder 1, and under the action of the give way hole, the first lower sliding post 15 is prevented from sliding in the circumferential direction. At the same time, the inclination directions of the first upper adjusting groove 12 and the first lower adjusting groove 14 are inconsistent, and the sliding directions of the first upper sliding post 13 and the first lower sliding post 15 in the length direction of the cylinder 1 are opposite, which is convenient for adjusting the angle of the first adjusting cylinder 8.

[0041] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 The thickness of the side wall of the cylinder 1 is greater than the thickness of the side wall of the first adjustment cylinder 8 , and the right end of the first adjustment upper pull rope 10 passes through the side wall of the cylinder 1 and is arranged on the inner wall of the first adjustment cylinder 8 .

[0042] For details, please refer to Figures 1 to 5 The thickness of the side wall of the cylinder 1 is greater than the thickness of the side wall of the first adjustment cylinder 8. The right end of the first adjustment upper pull rope 10 passes through the side wall of the cylinder 1 and enters the first adjustment cylinder 8. The right end of the first adjustment upper pull rope 10 is set on the inner wall of the first adjustment cylinder 8.

[0043] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5A first circumferential groove 16 is arranged on the side wall of the first adjusting ring 9, a first cylinder wall groove is arranged on the side wall of the cylinder body 1, the first cylinder wall groove is arranged corresponding to the first circumferential groove 16, and a first ball 17 is arranged between the first circumferential groove 16 and the first cylinder wall groove.

[0044] For details, please refer to Figures 1 to 5 The first circumferential groove 16 is arranged on the circumferential outer wall of the first adjustment ring 9, and two groups of first circumferential grooves 16 are respectively arranged on the front side wall and the rear side wall of the first adjustment ring 9. The first cylinder wall groove is arranged on the circumferential inner wall of the cylinder body 1. The first circumferential groove 16 and the first cylinder wall groove are arranged opposite to each other, and the openings of the two are arranged opposite to each other. An accommodating space is formed between the first circumferential groove 16 and the first cylinder wall groove, and a plurality of groups of first balls 17 are arranged in the accommodating space to facilitate the rotation of the first adjustment ring 9.

[0045] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 5 A first circumferential baffle 18 for limiting the first ball 17 is provided on the side wall of the first circumferential groove 16 .

[0046] For details, please refer to Figures 1 to 5 A first circumferential baffle 18 is arranged on the side wall of the first circumferential groove 16. The first circumferential baffle 18 is arranged perpendicular to the groove wall of the first circumferential groove 16. The first circumferential baffle 18 limits the first ball 17 to prevent the first ball 17 from affecting the first upper adjustment groove 12 and the first lower adjustment groove 14.

[0047] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 6 A second positioning error elimination component is also provided, including a second positioning motor 19, a second adjusting cylinder 20 and a second adjusting member. The left end of the second adjusting cylinder 20 is hinged on the right end opening of the cylinder body 1, and the right end of the second adjusting cylinder 20 is hinged on the left end opening of the first adjusting cylinder 8. The second positioning motor 19 is arranged between the power supply 2 and the first positioning motor 7. The second adjusting member connects the second positioning motor 19 and the second adjusting cylinder 20. The second positioning motor 19 adjusts the angle of the drill bit 6 by adjusting the angle of the second adjusting cylinder 20, so as to control the drill bit 6 to eliminate the placement error.

[0048] For details, please refer to Figures 1 to 6, a second positioning and error-eliminating component is also provided. The second positioning and error-eliminating component has a similar structure to the first positioning and error-eliminating component. The second positioning and error-eliminating component includes a second positioning motor 19, a second adjusting cylinder 20 and a second adjusting member. The left end of the second adjusting cylinder 20 is hinged to the right end of the cylinder body 1, and the right end of the second adjusting cylinder 20 is hinged to the left end of the first adjusting cylinder 8. The second positioning motor 19 is arranged between the power supply 2 and the first positioning motor 7. The driving end of the second positioning motor 19 is arranged at the right end of the second positioning motor 19. The second adjusting member connects the second positioning motor 19 and the second adjusting cylinder 20. The driving end of the second positioning motor 19 drives the second adjusting member. The second adjusting member drives the second adjusting cylinder 20 to rotate to achieve the angle adjustment of the second adjusting cylinder 20. The activity direction of the second adjusting cylinder 20 is inconsistent with the activity direction of the first adjusting cylinder 8. The first adjusting cylinder 8 cooperates with the second adjusting cylinder 20 to achieve multi-directional adjustment of the drill bit 6, thereby expanding the adjustment range of the drill bit 6.

[0049] As a specific implementation of the orthopedic positioning and error-eliminating grinding drill provided by the present invention, please refer to Figures 1 to 6 The upper end of the left opening of the second adjustment cylinder 20 is hinged to the upper end of the right opening of the cylinder body 1, and the lower end of the left opening of the second adjustment cylinder 20 is hinged to the lower end of the right opening of the cylinder body 1. The second adjustment member controls the second adjustment cylinder 20 to have the freedom of rotation in the front and rear directions.

[0050] For details, please refer to Figures 1 to 6 The left end opening of the second adjusting cylinder 20 is hinged on the right end opening of the cylinder body 1, and a second upper hinge shaft 21 is arranged on the side wall of the cylinder body 1, and the second upper hinge shaft 21 is arranged vertically along the radial direction of the cylinder body 1, and the second upper hinge shaft 21 is arranged on the upper side of the cylinder body 1, and a second upper hinge plate 22 is arranged on the upper side of the left end of the second adjusting cylinder 20, and the second upper hinge plate 22 is sleeved on the second upper hinge shaft 21, and correspondingly, a second lower hinge shaft 23 is arranged on the lower side of the cylinder body 1, and the second lower hinge shaft 23 and the second lower hinge shaft 23 are located on the same vertical line, and a second lower hinge plate 24 is arranged on the lower side of the left end of the second adjusting cylinder 20, and the second lower hinge plate 24 is sleeved on the second lower hinge shaft 23. Under the action of the second upper hinge shaft 21 and the second lower hinge shaft 23, the second adjusting cylinder 20 has the freedom to rotate back and forth in a horizontal plane.

[0051] For further information, please refer to Figures 1 to 6 The left end of the first adjusting cylinder 8 is hinged to the right end of the second adjusting cylinder 20 , that is, the first front hinge axis 35 and the first rear hinge axis are arranged on the inner side wall of the second adjusting cylinder 20 .

[0052] For further information, please refer to Figures 1 to 6The second adjusting member is similar in structure to the first adjusting member. The second adjusting member includes a second adjusting ring 25, a second front adjusting pull rope 26 and a second rear adjusting pull rope 27. The second front adjusting pull rope 26 and the second rear adjusting pull rope 27 are arranged in the same horizontal plane. The second adjusting ring 25 is arranged on the right side of the second positioning motor 19. The driving end of the second positioning motor 19 is connected to the second adjusting ring 25 and is arranged at the center of the second adjusting ring 25. The second adjusting ring 25 is rotatably arranged inside the cylinder 1. The left end of the second front adjusting pull rope 26 is arranged at the frontmost side of the second adjusting ring 25. The left end of the second adjustment rear pull rope 27 is arranged at the rearmost side of the second adjustment ring 25, the second adjustment front pull rope 26 and the second adjustment rear pull rope 27 are arranged along the length direction of the cylinder body 1, the right end of the second adjustment front pull rope 26 is arranged on the cylinder wall at the frontmost side of the left end of the second adjustment cylinder 20, and the right end of the second adjustment rear pull rope 27 is arranged on the cylinder wall at the rearmost side of the left end of the second adjustment cylinder 20. The second adjustment rear pull rope 27 and the second adjustment front pull rope 26 are arranged opposite to each other, and the second positioning motor 19 drives the second adjustment cylinder 20 to rotate, pulling the second adjustment rear pull rope 27 and the second adjustment The front pull rope 26 drives the second adjustment cylinder 20 to rotate in the front-to-back direction. A second front adjustment groove 28 is provided on the front end side wall of the second adjustment ring 25, and a second rear adjustment groove is provided on the rear end side wall of the second adjustment ring 25. The second front adjustment groove 28 is inclined, and the second rear adjustment groove is inclined. The second front adjustment groove 28 is inclined in the opposite direction to the second rear adjustment groove. A second front sliding column 29 is provided at the left end of the second adjustment front pull rope 26, and the second front sliding column 29 is slidably provided in the second front adjustment groove 28. A second rear sliding column is provided at the left end of the second adjustment rear pull rope 27. The second rear sliding column is slidably arranged in the second rear adjustment groove, and a clearance hole suitable for the second adjustment front pull rope 26 and the second adjustment rear pull rope 27 to pass through is arranged on the side wall of the cylinder 1. A second circumferential groove 30 is arranged on the side wall of the second adjustment ring 25, and a second cylinder wall groove 31 is arranged on the side wall of the cylinder 1. The second cylinder wall groove 31 is arranged corresponding to the second circumferential groove 30, and a second ball 33 is arranged between the second circumferential groove 30 and the second cylinder wall groove 31. A second circumferential baffle 32 for limiting the second ball 33 is arranged on the side wall of the second circumferential groove 30.

[0053] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An orthopedic positioning and error-eliminating grinding drill, characterized in that: include: A cylinder, wherein an installation space is provided inside the cylinder, and a power supply member is provided at the left end of the installation space; A grinding assembly, the grinding assembly comprising a grinding motor, a spring shaft, a drill rod and a drill bit, the grinding motor being connected to the power supply, the grinding motor being arranged at the right end of the installation space, the spring shaft being arranged at the driving end of the right end of the grinding motor, and the drill rod connecting the spring shaft and the drill bit; A first positioning error elimination component, the first positioning error elimination component comprises a first positioning motor, a first adjustment cylinder and a first adjustment member, the first adjustment cylinder is hinged on the right end opening of the cylinder body, the first positioning motor is arranged between the power supply member and the grinding motor, the first adjustment member connects the first positioning motor and the first adjustment cylinder, the drill bit passes through the right side wall of the first adjustment cylinder, the first positioning motor adjusts the angle of the drill bit by adjusting the angle of the first adjustment cylinder through the first adjustment member, and controls the drill bit to eliminate placement errors; and A sensor assembly is used to sense the positions of the cylinder and the drill rod.

2. The orthopedic positioning and error-eliminating grinding drill according to claim 1, characterized in that: The front side of the left opening of the first adjustment cylinder is hinged to the front side of the right opening of the cylinder body, and the rear side of the left opening of the first adjustment cylinder is hinged to the rear side of the right opening of the cylinder body. The first adjustment member controls the first adjustment cylinder to have the freedom of rotation in the up and down directions.

3. The orthopedic positioning and error-eliminating grinding drill according to claim 2, characterized in that: The first adjustment member includes a first adjustment ring, a first adjustment upper pull rope and a first adjustment lower pull rope. The first adjustment ring is arranged at the driving end on the right side of the first positioning motor. The first adjustment ring is rotatably arranged between the inner side walls of the cylinder body. The right end of the first adjustment upper pull rope is arranged at the upper end of the first adjustment cylinder. The left end of the first adjustment upper pull rope is arranged at the upper end of the first adjustment ring. The first adjustment lower pull rope is arranged corresponding to the first adjustment upper pull rope and is arranged at the lower end of the first adjustment ring. The first positioning motor drives the first adjustment cylinder to rotate, and drives the first adjustment cylinder to rotate in the up and down directions.

4. The orthopedic positioning and error-eliminating grinding drill according to claim 3, characterized in that: A first upper adjustment groove is arranged on the upper end side wall of the first adjustment ring, and the first upper adjustment groove is inclined. A first upper sliding column is arranged on the left end of the first adjustment upper pull rope, and the first upper sliding column is slidably arranged in the first upper adjustment groove. A first lower adjustment groove is arranged on the lower end side wall of the first adjustment ring, and the first lower adjustment groove is inclined and has an inclination direction opposite to that of the first upper adjustment groove. A first lower sliding column is arranged on the left end of the first adjustment lower pull rope, and the first lower sliding column is slidably arranged in the first lower adjustment groove.

5. The orthopedic positioning and error-eliminating grinding drill according to claim 4, characterized in that: The side wall of the cylinder is provided with a clearance hole suitable for the first adjustment upper pull rope and the first adjustment lower pull rope to pass through.

6. The orthopedic positioning and error-eliminating grinding drill according to claim 5, characterized in that: The thickness of the side wall of the cylinder is greater than the thickness of the side wall of the first adjustment cylinder. The right end of the first adjustment upper pull rope passes through the side wall of the cylinder and is arranged on the inner side wall of the first adjustment cylinder.

7. The orthopedic positioning and error-eliminating grinding drill according to claim 3, characterized in that: A first circumferential groove is arranged on the side wall of the first adjustment ring, a first cylinder wall groove is arranged on the side wall of the cylinder body, the first cylinder wall groove is arranged corresponding to the first circumferential groove, and a first ball is arranged between the first circumferential groove and the first cylinder wall groove.

8. The orthopedic positioning and error-eliminating grinding drill according to claim 7, characterized in that: A first circumferential baffle plate for limiting the first ball is arranged on the side wall of the first circumferential groove.

9. The orthopedic positioning and error-eliminating grinding drill according to claim 2, characterized in that: A second positioning and error elimination component is also provided, including a second positioning motor, a second adjusting cylinder and a second adjusting piece. The left end of the second adjusting cylinder is hinged to the right end opening of the cylinder body, and the right end of the second adjusting cylinder is hinged to the left end opening of the first adjusting cylinder. The second positioning motor is arranged between the power supply and the first positioning motor. The second adjusting piece connects the second positioning motor and the second adjusting cylinder. The second positioning motor adjusts the angle of the drill bit by adjusting the angle of the second adjusting cylinder, thereby controlling the drill bit to eliminate placement errors.

10. The orthopedic positioning and error-eliminating grinding drill according to claim 9, characterized in that: The upper end of the left opening of the second adjustment cylinder is hinged to the upper end of the right opening of the cylinder body, and the lower end of the left opening of the second adjustment cylinder is hinged to the lower end of the right opening of the cylinder body. The second adjustment member controls the second adjustment cylinder to have rotational freedom in the front-to-back direction.

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