Angle-adjustable electric drill for neurosurgery operation

Abstract

The invention discloses an angle-adjustable electric drill for neurosurgery operation, and relates to the technical field of electric drills for neurosurgery operation, the angle-adjustable electric drill comprises a square shell, a square cover is fixedly mounted on the top surface of the square shell, arc-shaped sliding grooves are formed in the bottom end in the square shell, and two arc-shaped sliding grooves are formed in the right side of the top surface of the square cover; a drilling assembly is arranged at the bottom of the inner wall of the square shell and comprises a bottom plate, a servo motor is fixed to the left side of the top face of the bottom plate in a penetrating mode, an arc-shaped sliding groove is formed in the right side of the top face of the bottom plate, a transverse plate is fixed to the top face of a rotating shaft of the servo motor, and a sliding column is fixed to the right side of the top face of the transverse plate in a penetrating mode. According to the neurosurgery operation electric drill, the sliding column is limited through the arc-shaped sliding groove of the bottom plate, and therefore the problem that when the angle of the neurosurgery operation electric drill is adjusted, a drill rod of the electric drill conducts inclined punching on the cranium of a patient, and consequently the wound surface of the patient is enlarged is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of neurosurgical drills, and particularly to an adjustable-angle neurosurgical drill. Background Art

[0002] In neurosurgery, traditional manual craniotomy tools often fail to meet the high-precision requirements of modern neurosurgery. An adjustable-angle neurosurgical drill can flexibly adjust the angle, enabling doctors to accurately locate the position where drilling is required, minimizing damage to surrounding healthy tissues, and significantly improving the accuracy and safety of the surgery.

[0003] The patent with the publication number CN108042171B discloses a craniotome for neurosurgery, including a base. The upper surface of the base is provided with a PLC controller, and the input end of the PLC controller is electrically connected to the output end of an external power supply. A first motor is arranged inside the base, and the output shaft of the first motor passes through the upper surface of the base and is connected to a turntable. The upper surface of the turntable is provided with an electric telescopic rod, and the telescopic end of the electric telescopic rod is provided with a lifting plate. A second motor is arranged on the side surface of the lifting plate, and a chute is opened on the upper surface of the lifting plate. The output shaft of the second motor penetrates into the interior of the chute and is connected to a driving screw through a coupling. This craniotome for neurosurgery improves the degree of automation, can achieve precise positioning, avoids affecting the surgical process, improves the surgical effect, is beneficial to the physical health of patients. The first motor is used to drive the turntable to rotate, thereby driving the device to adjust the angle, and the electric telescopic rod can drive the device to adjust the height through the lifting plate, and the operation is simple.

[0004] However, the current craniotome for neurosurgery has the following problems: When this craniotome for neurosurgery is in use, since the patient's head is a curved surface, during the process of neurosurgery, it is difficult for medical staff to drill straight into the patient's skull, which may lead to an increase in the patient's trauma area. Therefore, we propose an adjustable-angle neurosurgical drill. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides an adjustable-angle neurosurgical drill, which solves the problems raised in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: An adjustable-angle neurosurgical drill includes a square shell, a square cover is fixedly installed on the top surface of the square shell, an arc-shaped chute is opened at the bottom end inside the square shell, two arc-shaped chutes are opened on the right side of the top surface of the square cover, and a drilling assembly is arranged at the bottom of the inner wall of the square shell;

[0007] The drilling assembly includes a bottom plate. A servo motor is fixedly installed through the left side of the top surface of the bottom plate. An arc-shaped chute is formed on the right side of the top surface of the bottom plate. A cross plate is fixedly installed on the top surface of the rotating shaft of the servo motor. A sliding column is fixedly installed through the right side of the top surface of the cross plate. The bottom end of the sliding column is slidably connected to the arc-shaped chute of the square shell. The bottom of the outer wall of the sliding column is slidably connected to the inner wall of the arc-shaped chute of the cross plate. The top of the outer wall of the sliding column is slidably connected to the inner wall of the arc-shaped chute of the square cover. The top end of the sliding column is fixedly provided with a U-shaped frame. A circular opening is formed in the U-shaped frame. A chute is formed at the bottom end inside the U-shaped frame. An electric telescopic rod is fixedly installed at the bottom end inside the U-shaped frame. The left side of the telescopic end of the electric telescopic rod is fixedly provided with an L-shaped strip plate. The bottom surface of the L-shaped strip plate is slidably connected to the inner wall of the chute of the U-shaped frame. An electric drill is placed at the bottom end of the L-shaped strip plate. The inner wall of the circular opening of the U-shaped frame is slidably connected to the drill rod of the electric drill. A machine cover is fixedly installed on the top inner wall of the U-shaped frame. The arc-shaped chute of the bottom plate limits the sliding column. The U-shaped frame on the sliding column rotates to align with the patient's skull. The electric drill on the U-shaped frame forms a 90-degree right angle with the patient's skull. When the electric drill adjusts the angle, the drill rod of the electric drill can vertically drill holes in the patient's skull. An anti-vibration assembly is arranged at the bottom of the outer wall of the sliding column. A limiting assembly is arranged on the left side of the inner wall of the L-shaped strip plate.

[0008] According to the above technical solution, the anti-vibration assembly includes a short rod. The short rod is fixedly installed through the bottom of the outer wall of the sliding column. A U-shaped plate is fixedly installed at the left end of the short rod. Rollers are rotatably installed at the top and bottom inside the U-shaped plate. An arc-shaped strip plate is fixedly installed on the top surface of the bottom plate. The outer wall of the roller is in rolling contact with the right side of the arc-shaped strip plate. The roller rolls on the arc-shaped strip plate. Under the action of friction, the vibration during the rotation of the sliding column is reduced.

[0009] According to the above technical solution, the limiting assembly includes a double-hole plate, two circular plates, two guide rods, and two springs. The double-hole plate is fixedly installed on the left side of the inner wall of the L-shaped strip plate. Two sliding holes are formed on the left side of the double-hole plate. The two circular plates are fixedly installed on the right side of the inner wall of the U-shaped frame. The two guide rods are respectively fixedly installed in the middle of the right sides of the two circular plates. The outer walls of the two guide rods are respectively slidably connected to the inner walls of the sliding holes of the double-hole plate. The two springs are respectively fixedly installed on the right sides of the two circular plates. The ends of the two springs away from the two circular plates are fixedly connected to the left side of the double-hole plate. The two springs are respectively sleeved on the two guide rods. The double-hole plate slides leftward on the guide rods. The springs are compressed by the double-hole plate. Under the elastic force of the springs, the electric drill on the L-shaped strip plate is limited.

[0010] An anti-oxidation device is arranged at the right end of the short rod. A wiping groove device is arranged in the middle of the top surface of the anti-oxidation device.

[0011] According to the above technical solution, the bottom surface of the U-shaped frame is in sliding contact with the top surface of the square cover. The electric telescopic rod is located on the left side of the inner wall of the U-shaped frame. The machine cover is located above the electric telescopic rod. The U-shaped plate is located above the bottom plate. The arc-shaped plate is located on the right side of the servo motor.

[0012] According to the above technical solution, the anti-oxidation device includes a circular shell, two filter screens, a calcium chloride column and a circular cover. The circular shell is fixed to the right end of the short rod. Square openings are provided on both the front and back of the circular shell. The two filter screens are fixed to the inner walls of the two square openings of the circular shell. The calcium chloride column is fixed to the bottom end inside the circular shell. The circular cover is fixedly installed on the top surface of the circular shell. Gas passes through the filter screen and enters the circular shell. The calcium chloride column adsorbs the water vapor in the gas, so that the parts in the circular shell will not be affected with damp and rust.

[0013] According to the above technical solution, the anti-oxidation device further includes a strip-shaped plate, two concave blocks and two rubber blocks. The strip-shaped plate is fixed to the middle of the top surface of the circular cover. The two concave blocks are fixed to the front and back of the strip-shaped plate. The two rubber blocks are respectively embedded on the sides of the two concave blocks away from each other. During the rotation of the rubber blocks, the rubber blocks contact the wall surface of the square shell, so that the circular shell will not bump into the square shell.

[0014] According to the above technical solution, the bottom surface of the circular shell is in sliding contact with the top surface of the bottom plate. The inner wall of the square shell is on the movement tracks of the outer walls of the two rubber blocks.

[0015] According to the above technical solution, the groove wiping device includes a vertical rod, a U-shaped frame, a U-shaped long plate and two sponge blocks. The vertical rod is fixed to the middle of the top surface of the strip-shaped plate. The top of the outer wall of the vertical rod is in sliding connection with the inner wall of the arc-shaped chute of the square cover. The vertical rod is located on the right side of the sliding column. The U-shaped frame is fixed to the top surface of the vertical rod. The U-shaped long plate is fixed to the top surface of the U-shaped frame. The two sponge blocks are fixed to the left side of the bottom surface of the U-shaped long plate. The outer walls of the two sponge blocks are in sliding contact with the inner wall of the arc-shaped chute of the square cover. The two sponge blocks are located in front of and behind the sliding column. The sponge blocks wipe the arc-shaped chute of the square cover, so that the sliding column can rotate stably in the arc-shaped chute of the square cover.

[0016] According to the above technical solution, the groove wiping device further includes two L-shaped rods, two inner groove blocks and two collection boxes. The two L-shaped rods are fixed to the right side of the bottom surface of the U-shaped long plate. The tops of the outer walls of the two L-shaped rods are in sliding connection with the inner wall of another arc-shaped chute of the square cover. The two inner groove blocks are respectively fixed to the ends of the two L-shaped rods away from the U-shaped long plate. T-shaped chutes are respectively provided inside the two inner groove blocks. The two collection boxes are respectively fixedly installed on the inner walls of the T-shaped chutes of the two inner groove blocks. The two collection boxes are respectively located on the left sides of the two inner groove blocks. During the rotation, the collection boxes catch the foreign matters wiped off by the sponge blocks.

[0017] According to the above technical solution, the bottom surface of the loop-shaped frame is in sliding contact with the top surface of the square cover, and the two collecting boxes are respectively located below the two sponge blocks.

[0018] The present invention provides a neurosurgical drill with adjustable angle, having the following beneficial effects:

[0019] (1) In the present invention, through the cooperation of the bottom plate, servo motor, cross plate, sliding column, U-shaped frame, electric telescopic rod, L-shaped strip plate, machine cover, short rod, U-shaped plate and roller with the arc-shaped strip plate, when the electric drill is in use, the arc-shaped chute of the bottom plate limits the sliding column, the U-shaped frame on the sliding column rotates to align with the patient's cranial part, and the electric drill on the U-shaped frame forms a right angle of 90 degrees with the patient's cranial part. When the electric drill adjusts the angle, the drill rod of the electric drill can vertically punch holes in the patient's cranial part, preventing the drill rod of the electric drill from obliquely punching holes in the patient's cranial part and increasing the patient's trauma surface. Moreover, the U-shaped plate drives the roller to rotate, and the roller rolls on the arc-shaped strip plate. Under the action of friction, the jitter during the rotation of the sliding column is reduced, preventing the drill rod of the electric drill from being misaligned due to severe jitter of the sliding column.

[0020] (2) In the present invention, through the cooperation of the double-hole plate, circular plate and guide rod with the spring, the double-hole plate slides leftward on the guide rod. The spring is squeezed by the double-hole plate, and under the elastic force of the spring, the electric drill on the L-shaped strip plate is limited, preventing the electric drill from drilling too deep into the skull and causing harm to the patient due to the electric drill drilling too deep into the skull.

[0021] (3) In the present invention, through the setting of the anti-oxidation device, the circular shell, filter screen, calcium chloride column, circular cover, strip plate and concave block cooperate with the rubber block. During the rotation of the circular shell, gas passes through the filter screen and enters the circular shell. The calcium chloride column adsorbs the water vapor in the gas, preventing the parts in the circular shell from getting damp and rusty and causing damage to the internal parts of the equipment. Moreover, during the rotation of the rubber block, the rubber block contacts the wall surface of the square shell, preventing the circular shell from hitting the square shell and causing damage to the circular shell.

[0022] (4) In the present invention, through the setting of the wiping groove device, the vertical rod, loop-shaped frame, U-shaped long plate, sponge block, L-shaped rod and inner groove block cooperate with the collecting box. During the rotation of the sponge block, the sponge block wipes the arc-shaped chute of the square cover, enabling the sliding column to rotate stably in the arc-shaped chute of the square cover, preventing the movement of the sliding column from being blocked by foreign objects in the arc-shaped chute of the square cover. Moreover, during the rotation of the collecting box, the collecting box catches the foreign objects wiped off by the sponge block, preventing a large amount of foreign objects from accumulating in the square shell and causing the equipment to operate smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the whole of the present invention;

[0024] Figure 2Schematic diagram of the internal components of the present invention;

[0025] Figure 3 Cross-sectional schematic diagram of the square shell of the present invention;

[0026] Figure 4 For the present invention Figure 3 Partial enlarged schematic diagram at position A in the present invention;

[0027] Figure 5 Cross-sectional schematic diagram of the anti-oxidation device of the present invention;

[0028] Figure 6 For the present invention Figure 5 Partial enlarged schematic diagram at position B in the present invention;

[0029] Figure 7 Schematic diagram of the slot scraping device of the present invention;

[0030] Figure 8 For the present invention Figure 7 Partial enlarged schematic diagram at position C in the present invention;

[0031] Figure 9 Schematic diagram of the body of the neurosurgical drill of the present invention.

[0032] In the figure: 1, square shell; 2, square cover; 31, drilling assembly; 311, bottom plate; 312, servo motor; 313, cross plate; 314, sliding column; 315, U-shaped frame; 316, electric telescopic rod; 317, L-shaped strip plate; 318, machine cover; 32, anti-vibration assembly; 321, short rod; 322, U-shaped plate; 323, roller; 324, arc-shaped strip plate; 33, limiting assembly; 331, double-hole plate; 332, round plate; 333, guide rod; 334, spring; 4, anti-oxidation device; 41, round shell; 42, filter screen; 43, calcium chloride column; 44, round cover; 45, strip plate; 46, concave block; 47, rubber block; 5, slot scraping device; 51, vertical rod; 52, return-shaped frame; 53, U-shaped long plate; 54, sponge block; 55, L-shaped rod; 56, inner groove block; 57, collection box. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0034] Please refer to Figures 1 - 9 , an embodiment of the present invention is: an adjustable-angle neurosurgical drill, including a square shell 1, a square cover 2 is fixedly installed on the top surface of the square shell 1, an arc-shaped sliding groove is opened at the bottom end inside the square shell 1, and two arc-shaped sliding grooves are opened on the right side of the top surface of the square cover 2;

[0035] A drilling assembly 31 is provided at the bottom of the inner wall of the square shell 1. The drilling assembly 31 includes a bottom plate 311. A servo motor 312 is passed through and fixed on the left side of the top surface of the bottom plate 311. An arc-shaped slide groove is provided on the right side of the top surface of the bottom plate 311. A horizontal plate 313 is fixed on the top surface of the rotating shaft of the servo motor 312. A sliding column 314 is passed through and fixed on the right side of the top surface of the horizontal plate 313. The bottom end of the sliding column 314 is slidably connected to the arc-shaped slide groove of the square shell 1. The outer wall of the sliding column 314 The bottom is slidably connected to the inner wall of the arc-shaped slide groove of the horizontal plate 313, the top of the outer wall of the slide column 314 is slidably connected to the inner wall of the arc-shaped slide groove of the square cover 2, a U-shaped frame 315 is fixed to the top of the slide column 314, the U-shaped frame 315 has a round mouth, a slide groove is opened at the bottom of the U-shaped frame 315, an electric telescopic rod 316 is fixed to the bottom of the U-shaped frame 315, an L-shaped strip 317 is fixed to the left side of the telescopic end of the electric telescopic rod 316, and the L-shaped strip 317 is fixed to the left side of the telescopic end of the electric telescopic rod 316. The bottom surface of the U-shaped frame 317 is slidably connected with the inner wall of the slide groove of the U-shaped frame 315, and an electric drill is placed at the bottom end of the L-shaped strip 317. The inner wall of the round mouth of the U-shaped frame 315 is slidably connected with the drill rod of the electric drill. A hood 318 is fixed on the top of the inner wall of the U-shaped frame 315. The bottom surface of the U-shaped frame 315 is in sliding contact with the top surface of the square cover 2. The electric telescopic rod 316 is located on the left side of the inner wall of the U-shaped frame 315, and the hood 318 is located above the electric telescopic rod 316. When the electric drill is in use, the arc-shaped slide groove of the bottom plate 311 limits the sliding column 314, and the U-shaped frame 315 on the sliding column 314 rotates to align with the patient's skull. The electric drill on the U-shaped frame 315 and the patient's skull are at a right angle of 90 degrees, so that when the electric drill is adjusted in angle, the drill rod of the electric drill can vertically drill a hole in the patient's skull, thereby avoiding the increase of the patient's trauma surface caused by the drill rod of the electric drill tilting and drilling the patient's skull when the electric drill is adjusted in angle during neurosurgery.

[0036] The bottom of the outer wall of the sliding column 314 is provided with an anti-shake component 32, and the anti-shake component 32 includes a short rod 321, which passes through and is fixed to the bottom of the outer wall of the sliding column 314, a U-shaped plate 322 is fixed to the left end of the short rod 321, and rollers 323 are rotatably installed at the top and bottom ends of the inner part, and an arc plate 324 is fixed to the top surface of the bottom plate 311, and the outer wall of the roller 323 is in rolling contact with the right side of the arc plate 324, the U-shaped plate 322 is located above the bottom plate 311, and the arc plate 324 is located on the right side of the servo motor 312, the U-shaped plate 322 drives the roller 323 to rotate, and the U-shaped plate 322 drives the roller 323 to rotate, and the roller 323 rolls on the arc plate 324, and under the action of friction, the jitter of the sliding column 314 during rotation is reduced, so as to avoid the slide column 314 from vigorous jitter when the neurosurgery electric drill adjusts the angle, causing the drill rod positioning of the electric drill to be offset.

[0037] A limiting component is arranged on the left side of the inner wall of the L-shaped strip plate 317. The limiting component 31 includes a double-hole plate 331, two circular plates 332, two guide rods 333 and two springs 334. The double-hole plate 331 is fixed on the left side of the inner wall of the L-shaped strip plate 317. Two sliding holes are opened on the left side of the double-hole plate 331. Two circular plates 332 are fixed on the right side of the inner wall of the U-shaped frame 315. The outer walls of two guide rods 333 are respectively and slidably connected with the inner walls of the sliding holes of the double-hole plate 331. Two springs 334 are respectively fixed on the right sides of the two circular plates 332. The ends of the two springs 334 far away from the two circular plates 332 are fixedly connected with the left side of the double-hole plate 331. The two springs 334 are respectively sleeved on the two guide rods 333. The double-hole plate 331 slides leftward on the guide rods 333. The springs 334 are extruded by the double-hole plate 331. Under the elastic force of the springs 334, the electric drill on the L-shaped strip plate 317 is limited, so that the electric drill will not drill too deep into the skull, avoiding that when the neurosurgical electric drill drills a hole, the electric drill drills too deep into the skull and causes harm to the patient by the electric drill.

[0038] In use, medical staff place the square shell 1 on the operating table, align the square shell 1 with the patient's head. The square shell 1 supports the square cover 2. Since the patient's head is an arc surface, it is difficult for medical staff to drill a straight hole in the patient's cranial part during a surgical neurosurgery. During the operation, the square shell 1 supports the bottom plate 311. Medical staff start the servo motor 312 on the bottom plate 311. The rotating shaft of the servo motor 312 starts to rotate. The rotating shaft of the servo motor 312 drives the cross plate 313 to rotate. The cross plate 313 drives the sliding column 314 to rotate. The sliding column 314 moves in the arc-shaped chute of the square shell 1 and also moves in the arc-shaped chute of the bottom plate 311. At the same time, the sliding column 314 moves in the arc-shaped chute of the square cover 2. The sliding column 314 drives the U-shaped frame 315 to rotate. The U-shaped frame 315 drives the electric telescopic rod 316 to rotate. At the same time, the U-shaped frame 315 drives the L-shaped strip 317 to rotate. The U-shaped frame 315 drives the engine cover 318 to rotate. When the L-shaped strip 317 moves to the position of the patient's cranial part, the rotating shaft of the servo motor 312 stops rotating. Medical staff start the electric telescopic rod 316. The electric telescopic rod 316 drives the L-shaped strip 317 to move leftward. The L-shaped strip 317 moves leftward in the chute of the U-shaped frame 315. The L-shaped strip 317 drives the electric drill to move leftward. The drill rod of the electric drill moves leftward in the round hole of the U-shaped frame 315. At the same time, the drill rod of the electric drill starts to rotate. The drill rod of the electric drill drills into the patient's cranial part. When the electric drill is in use, the arc-shaped chute of the bottom plate 311 limits the sliding column 314. The U-shaped frame 315 on the sliding column 314 rotates and aligns with the patient's cranial part. The electric drill on the U-shaped frame 315 and the patient's cranial part form a right angle of 90 degrees. When the electric drill adjusts the angle, the drill rod of the electric drill can vertically drill a hole in the patient's cranial part, preventing the drill rod of the electric drill from tilting and drilling the patient's cranial part when the device adjusts the angle, thus avoiding the problem that the drill rod of the neurosurgery electric drill tilts and drills the patient's cranial part, resulting in an increased trauma surface for the patient during the angle adjustment of the neurosurgery electric drill.

[0039] While the cross plate 313 drives the sliding column 314 to rotate, the sliding column 314 drives the short rod 321 to rotate. The short rod 321 drives the U-shaped plate 322 to rotate. The U-shaped plate 322 drives the roller 323 to rotate. The roller 323 rolls on the arc-shaped strip 324. Under the action of friction, the jitter of the sliding column 314 during rotation is reduced, preventing the sliding column 314 from vibrating violently when the device is in use, thus avoiding the problem that the positioning of the drill rod of the electric drill is offset due to the violent vibration of the sliding column 314 during the angle adjustment of the neurosurgery electric drill. The body of the neurosurgery electric drill can be disassembled from the engine cover 318 for manual holding and operation.

[0040] While the L-shaped strip 317 moves leftward in the chute of the U-shaped frame 315, the L-shaped strip 317 drives the double-hole plate 331 to move leftward. At the same time, the U-shaped frame 315 supports the circular plate 332, the circular plate 332 supports the guide rod 333, and the double-hole plate 331 slides leftward on the guide rod 333. The spring 334 is squeezed by the double-hole plate 331 and starts to contract. Under the elastic force of the spring 334, the electric drill on the L-shaped strip 317 is limited, so that the electric drill will not drill too deep into the skull, preventing the electric drill from drilling too deep into the skull during the use of the device, thus avoiding the problem that the electric drill in the neurosurgical operation drills too deep into the skull and causes harm to the patient.

[0041] Please refer to Figures 1 - 9 , on the basis of the above embodiment, in another embodiment of the present invention, an anti-oxidation device 4 and a wiping groove device 5 are further included. Among them, an anti-oxidation device 4 is provided at the right end of the short rod 321. The anti-oxidation device 4 includes a circular shell 41, two filter meshes 42, a calcium chloride column 43 and a circular cover 44. The circular shell 41 is fixed to the right end of the short rod 321. Square openings are provided on the front and back of the circular shell 41. The two filter meshes 42 are fixed on the inner walls of the two square openings of the circular shell 41. The calcium chloride column 43 is fixed to the bottom end inside the circular shell 41. The circular cover 44 is fixedly installed on the top surface of the circular shell 41. The bottom surface of the circular shell 41 is in sliding contact with the top surface of the bottom plate 311. During the rotation of the circular shell 41, gas passes through the filter mesh 42 and enters the circular shell 41. The calcium chloride column 43 adsorbs the water vapor in the gas, so that the parts in the circular shell 41 will not be affected with damp and rust, avoiding the damage of the internal parts of the device caused by the parts in the circular shell 41 being affected with damp and rust during the long-term use of the neurosurgical electric drill.

[0042] The anti-oxidation device 4 further includes a strip plate 45, two concave blocks 46 and two rubber blocks 47. The strip plate 45 is fixed to the middle of the top surface of the circular cover 44. The two concave blocks 46 are fixed to the front and back of the strip plate 45. The two rubber blocks 47 are respectively embedded on the sides of the two concave blocks 46 away from each other. The inner wall of the square shell 1 is on the movement track of the outer walls of the two rubber blocks 47. During the rotation of the rubber blocks 47, the rubber blocks 47 contact the wall surface of the square shell 1, so that the circular shell 41 will not bump into the square shell 1, avoiding the damage of the circular shell 41 caused by the circular shell 41 bumping into the square shell 1 when the neurosurgical electric drill adjusts the angle.

[0043] In the middle of the top surface of the anti-oxidation device 4, a wiping groove device 5 is provided. The wiping groove device 5 includes a vertical rod 51, a U-shaped frame 52, a U-shaped long plate 53 and two sponge blocks 54. The vertical rod 51 is fixed in the middle of the top surface of the strip plate 45. The top of the outer wall of the vertical rod 51 is slidably connected to the inner wall of the arc-shaped chute of the square cover 2. The vertical rod 51 is located on the right side of the sliding column 314. The U-shaped frame 52 is fixed on the top surface of the vertical rod 51. The U-shaped long plate 53 is fixed on the top surface of the U-shaped frame 52. Two sponge blocks 54 are fixed on the left side of the bottom surface of the U-shaped long plate 53. The outer walls of the two sponge blocks 54 are in sliding contact with the inner wall of the arc-shaped chute of the square cover 2. The two sponge blocks 54 are located in front of and behind the sliding column 314. The bottom surface of the U-shaped frame 52 is in sliding contact with the top surface of the square cover 2. During the rotation of the sponge block 54, the sponge block 54 wipes the arc-shaped chute of the square cover 2, enabling the sliding column 314 to stably rotate in the arc-shaped chute of the square cover 2, and preventing foreign objects in the arc-shaped chute of the square cover 2 from causing obstacles to the movement of the sliding column 314 when the angle of the neurosurgical drill is adjusted.

[0044] The wiping groove device 5 further includes two L-shaped rods 55, two inner groove blocks 56 and two collection boxes 57. Two L-shaped rods 55 are fixed on the right side of the bottom surface of the U-shaped long plate 53. The top of the outer walls of the two L-shaped rods 55 are slidably connected to the inner wall of another arc-shaped chute of the square cover 2. Two inner groove blocks 56 are respectively fixed at the ends of the two L-shaped rods 55 away from the U-shaped long plate 53. T-shaped chutes are respectively opened in the two inner groove blocks 56. Two collection boxes 57 are respectively fixedly installed on the inner walls of the T-shaped chutes of the two inner groove blocks 56. The two collection boxes 57 are respectively located on the left sides of the two inner groove blocks 56. The two collection boxes 57 are respectively located below the two sponge blocks 54. During the rotation of the collection box 57, the collection box 57 catches the foreign objects wiped off by the sponge block 54, preventing a large amount of foreign objects from accumulating in the square shell 1 when the angle of the neurosurgical drill is adjusted, which may cause the equipment to run smoothly.

[0045] While the sliding column 314 drives the short rod 321 to rotate, the short rod 321 drives the circular shell 41 to rotate. The circular shell 41 drives the filter screen 42 to rotate. The circular shell 41 drives the calcium chloride column 43 to rotate. At the same time, the circular shell 41 drives the circular cover 44 to rotate. During the rotation of the circular shell 41, gas passes through the filter screen 42 and enters the circular shell 41. The calcium chloride column 43 adsorbs the water vapor in the gas, preventing the parts in the circular shell 41 from getting damp and rusty, and avoiding the problem that the parts in the circular shell 41 get damp and rusty, which may cause damage to the internal parts of the equipment during the long-term use of the neurosurgical drill.

[0046] While the circular shell 41 drives the circular cover 44 to rotate, the circular cover 44 drives the strip-shaped plate 45 to rotate, the strip-shaped plate 45 drives the concave block 46 to rotate, and the concave block 46 drives the rubber block 47 to rotate. During the rotation of the rubber block 47, the rubber block 47 contacts the wall surface of the square shell 1, preventing the circular shell 41 from hitting the square shell 1. When the device is in use, the circular shell 41 hitting the square shell 1 is avoided, thus preventing the problem that the circular shell 41 is damaged when the circular shell 41 hits the square shell 1 during the angle adjustment of the neurosurgical drill.

[0047] While the circular cover 44 drives the strip-shaped plate 45 to rotate, the strip-shaped plate 45 drives the vertical rod 51 to rotate. The vertical rod 51 rotates in another arc-shaped chute of the square cover 2. The vertical rod 51 drives the loop-shaped frame 52 to rotate, the loop-shaped frame 52 drives the U-shaped long plate 53 to rotate, and the U-shaped long plate 53 drives the sponge block 54 to rotate. During the rotation of the sponge block 54, the sponge block 54 wipes the arc-shaped chute of the square cover 2, enabling the sliding column 314 to rotate stably in the arc-shaped chute of the square cover 2. When the device is in use, foreign objects in the arc-shaped chute of the square cover 2 are prevented, thus avoiding the problem that the movement of the sliding column 314 is blocked due to foreign objects in the arc-shaped chute of the square cover 2 during the angle adjustment of the neurosurgical drill.

[0048] While the loop-shaped frame 52 drives the U-shaped long plate 53 to rotate, the U-shaped long plate 53 drives the L-shaped rod 55 to rotate. The L-shaped rod 55 rotates in another arc-shaped chute of the square cover 2. The L-shaped rod 55 drives the inner groove block 56 to rotate, and the inner groove block 56 drives the collection box 57 to rotate. During the rotation of the collection box 57, the collection box 57 catches the foreign objects wiped off by the sponge block 54, preventing a large amount of foreign objects from accumulating in the square shell 1 when the device is in use. Thus, the problem that the device runs smoothly due to a large amount of foreign objects accumulating in the square shell 1 during the angle adjustment of the neurosurgical drill is avoided.

[0049] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An adjustable-angle neurosurgical drill, comprising a square shell (1), and a square cover (2) fixedly installed on the top surface of the square shell (1), characterized in that: An arc-shaped chute is provided at the bottom end inside the square shell (1), and two arc-shaped chutes are provided at the right side of the top surface of the square cover (2). A drilling assembly (31) is provided at the bottom of the inner wall of the square shell (1). The drilling assembly (31) includes a bottom plate (311). A servo motor (312) penetrates and is fixed to the left side of the top surface of the bottom plate (311). An arc-shaped chute is provided at the right side of the top surface of the bottom plate (311). A cross plate (313) is fixed to the top surface of the rotating shaft of the servo motor (312). A sliding column (314) penetrates and is fixed to the right side of the top surface of the cross plate (313). The bottom end of the sliding column (314) is slidably connected to the arc-shaped chute of the square shell (1). The bottom of the outer wall of the sliding column (314) is slidably connected to the inner wall of the arc-shaped chute of the cross plate (313). The top of the outer wall of the sliding column (314) is slidably connected to the inner wall of the arc-shaped chute of the square cover (2). The top end of the sliding column (314) is fixed with a U-shaped frame (315). A circular opening is provided in the U-shaped frame (315). A chute is provided at the bottom end inside the U-shaped frame (315). An electric telescopic rod (316) is fixed to the bottom end inside the U-shaped frame (315). The left side of the telescopic end of the electric telescopic rod (316) is fixed with an L-shaped strip plate (317). The bottom surface of the L-shaped strip plate (317) is slidably connected to the inner wall of the chute of the U-shaped frame (315). An electric drill is placed at the bottom end of the L-shaped strip plate (317). The inner wall of the circular opening of the U-shaped frame (315) is slidably connected to the drill rod of the electric drill. A machine cover (318) is fixed to the top of the inner wall of the U-shaped frame (315). An anti-vibration component (32) is provided at the bottom of the outer wall of the sliding column (314), and a limiting component is provided on the left side of the inner wall of the L-shaped strip plate (317).

2. The adjustable-angle neurosurgical drill according to claim 1, wherein: The anti-vibration component (32) includes a short rod (321). The short rod (321) penetrates and is fixed to the bottom of the outer wall of the sliding column (314). A U-shaped plate (322) is fixed to the left end of the short rod (321). Rollers (323) are rotatably installed at the top and bottom inside it. An arc-shaped strip plate (324) is fixed to the top surface of the bottom plate (311). The outer wall of the roller (323) is in rolling contact with the right side of the arc-shaped strip plate (324).

3. The adjustable-angle neurosurgical drill according to claim 2, characterized in that: The limiting component (31) includes a double-hole plate (331), two circular plates (332), two guide rods (333) and two springs (334). The double-hole plate (331) is fixed to the left side of the inner wall of the L-shaped strip plate (317). Two sliding holes are provided on the left side of the double-hole plate (331). Two circular plates (332) are fixed to the right side of the inner wall of the U-shaped frame (315). Two guide rods (333) are respectively fixed to the middle of the right sides of the two circular plates (332). The outer walls of the two guide rods (333) are respectively slidably connected to the inner walls of the sliding holes of the double-hole plate (331). Two springs (334) are respectively fixed to the right sides of the two circular plates (332). The ends of the two springs (334) far from the two circular plates (332) are fixed to the left side of the double-hole plate (331). The two springs (334) are respectively sleeved on the two guide rods (333). The right end of the short rod (321) is provided with an anti-oxidation device (4), and a groove-rubbing device (5) is arranged in the middle of the top surface of the anti-oxidation device (4).

4. The adjustable-angle neurosurgical drill according to claim 3, wherein: The bottom surface of the U-shaped frame (315) is in sliding contact with the top surface of the square cover (2). The electric telescopic rod (316) is located on the left side of the inner wall of the U-shaped frame (315). The machine cover (318) is located above the electric telescopic rod (316). The U-shaped plate (322) is located above the bottom plate (311). The arc-shaped plate (324) is located on the right side of the servo motor (312).

5. The adjustable-angle neurosurgical drill according to claim 4, wherein: The anti-oxidation device (4) includes a circular shell (41), two filter meshes (42), a calcium chloride column (43) and a circular cover (44). The circular shell (41) is fixed to the right end of the short rod (321). Square openings are formed in the front and back of the circular shell (41). The two filter meshes (42) are fixed to the inner walls of the two square openings of the circular shell (41). The calcium chloride column (43) is fixed to the bottom end inside the circular shell (41). The circular cover (44) is fixedly installed on the top surface of the circular shell (41).

6. The adjustable-angle neurosurgical drill according to claim 5, wherein: The anti-oxidation device (4) further includes a strip-shaped plate (45), two concave blocks (46) and two rubber blocks (47). The strip-shaped plate (45) is fixed to the middle of the top surface of the circular cover (44). The two concave blocks (46) are fixed to the front and back of the strip-shaped plate (45). The two rubber blocks (47) are respectively embedded on the sides of the two concave blocks (46) away from each other.

7. The adjustable-angle neurosurgical drill according to claim 6, wherein: The bottom surface of the circular shell (41) is in sliding contact with the top surface of the bottom plate (311). The inner wall of the square shell (1) is on the movement tracks of the outer walls of the two rubber blocks (47).

8. The adjustable-angle neurosurgical drill according to claim 7, characterized in that: The groove-rubbing device (5) includes a vertical rod (51), a return-shaped frame (52), a U-shaped long plate (53) and two sponge blocks (54). The vertical rod (51) is fixed to the middle of the top surface of the strip-shaped plate (45). The top of the outer wall of the vertical rod (51) is in sliding connection with the inner wall of the arc-shaped chute of the square cover (2). The vertical rod (51) is located on the right side of the sliding column (314). The return-shaped frame (52) is fixed to the top surface of the vertical rod (51). The U-shaped long plate (53) is fixed to the top surface of the return-shaped frame (52). The two sponge blocks (54) are fixed to the left side of the bottom surface of the U-shaped long plate (53). The outer walls of the two sponge blocks (54) are in sliding contact with the inner wall of the arc-shaped chute of the square cover (2). The two sponge blocks (54) are located in front of and behind the sliding column (314).

9. The adjustable-angle neurosurgical drill according to claim 8, characterized in that: The groove-rubbing device (5) further includes two L-shaped rods (55), two inner groove blocks (56) and two collection boxes (57). The two L-shaped rods (55) are fixed to the right side of the bottom surface of the U-shaped long plate (53). The tops of the outer walls of the two L-shaped rods (55) are in sliding connection with the inner wall of another arc-shaped chute of the square cover (2). The two inner groove blocks (56) are respectively fixed to the ends of the two L-shaped rods (55) away from the U-shaped long plate (53). T-shaped chutes are respectively formed in the two inner groove blocks (56). The two collection boxes (57) are respectively fixedly installed on the inner walls of the T-shaped chutes of the two inner groove blocks (56). The two collection boxes (57) are respectively located on the left sides of the two inner groove blocks (56).

10. An adjustable-angle neurosurgical drill according to claim 9, characterized in that: The bottom surface of the loop-shaped frame (52) is in sliding contact with the top surface of the square cover (2), and the two collection boxes (57) are respectively located below the two sponge blocks (54).

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