阅读说明：本技术 神经外科手术改良型钻颅器 (Improved skull drill for neurosurgery ) 是由 杨梦石 刘佰运 张斌 徐晓健 于 2021-08-27 设计创作，主要内容包括：本发明提供神经外科手术改良型钻颅器,涉及医疗器械技术领域,包括桥架；所述桥架上滑动安装有一处移动架,桥架的两侧分别安装有一处调整块,且调整块滑动安装于横向支座内；所述移动架底端滑动安装有一处安装架；所述横向支座的底端安装有一处侧支架,侧支架的底端连接有一处底座；本发明便于调整支撑高度,同时具有较好的支撑效果,以及便于固定于患者的头上方便进行钻颅手术,能够对移动架的弧度位置进行固定,对患者进行钻颅手术时钻头具有较好的支撑效果,避免在钻颅时钻头固定效果不佳而导致钻头晃动影响手术效果的问题,且钻头能进行前后移动,以及角度的调整固定,从而使得本行装置具有较高的可调节性能,适应性强。(The invention provides an improved cranial drill for neurosurgery, which relates to the technical field of medical instruments and comprises a bridge frame; the bridge frame is provided with a moving frame in a sliding manner, two sides of the bridge frame are respectively provided with an adjusting block, and the adjusting blocks are arranged in the transverse support in a sliding manner; the bottom end of the moving frame is provided with an installation frame in a sliding way; the bottom end of the transverse support is provided with a side support, and the bottom end of the side support is connected with a base; the invention is convenient for adjusting the supporting height, has better supporting effect, is convenient for being fixed on the head of a patient to conveniently carry out skull drilling operation, can fix the radian position of the movable frame, has better supporting effect on a drill bit when carrying out skull drilling operation on the patient, avoids the problem that the operation effect is influenced by the shaking of the drill bit due to poor fixing effect of the drill bit when drilling the skull, and can move the drill bit back and forth and adjust and fix the angle, thereby leading the device to have higher adjustability and strong adaptability.)

1. Neurosurgery improvement type bores cranium ware, its characterized in that: comprises a bridge frame (1);

the bridge frame (1) is provided with a moving frame (2) in a sliding manner, two sides of the bridge frame (1) are respectively provided with an adjusting block (4), and the adjusting blocks (4) are arranged in the transverse support (3) in a sliding manner;

the bottom end of the moving frame (2) is provided with a mounting frame (203) in a sliding mode, a driving motor (205) is arranged on the mounting frame (203), and a drill bit (206) is arranged at the bottom end of the driving motor (205) in a driving mode;

a side support (5) is installed at the bottom end of the transverse support (3), an arc-shaped block (6) is installed on the inner side of the side support (5), and a base (7) is connected to the bottom end of the side support (5).

2. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the base (7) bottom is three forked type structures, and the top of base (7) is for having a convex piece (701) of propping up, and a department's concave groove (501) have been seted up in the outside of collateral branch frame (5), and a department presss from both sides tight knob (502) is installed to the outside bottom screw thread of collateral branch frame (5), and convex piece (701) slidable mounting on the convex piece (701) on base (7) top is on concave groove (501) in collateral branch frame (5) outside.

3. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the outer end fixed mounting of arc piece (6) is in the inboard of collateral branch frame (5), spherical groove (601) have respectively been seted up at the inboard both ends of arc piece (6), fixed block (602) are equipped with two, the rear end of fixed block (602) is equipped with a ball-shaped rod (6021), and ball-shaped rod (6021) of two fixed block (602) rear ends rotate respectively and install on spherical groove (601) at the inboard both ends of arc piece (6), the bottom of horizontal support (3) is equipped with one and locates bottom bracket (302), it is connected with a screw thread rocker (303) to rotate on bottom bracket (302), collateral branch frame (5) top slidable mounting is in horizontal support (3) bottom, and collateral branch frame (5) top screw thread mounting is on screw thread rocker (303).

4. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the crane span structure is characterized in that a cross arc-shaped rail (101) is arranged on the crane span structure (1), the rear end of the moving frame (2) is provided with a cross sliding block (201), the cross sliding block (201) at the rear end of the moving frame (2) is slidably arranged in the cross arc-shaped rail (101) on the crane span structure (1), the cross sliding block (201) is fixedly provided with a second fixing screw rod (2011), and a second fixing screw cap (2012) is arranged on the second fixing screw rod (2011) in a threaded mode.

5. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: remove about frame (2) and seted up a perpendicular spout (202) respectively in the end outside, the end inboard is equipped with a perpendicular slider (2031) respectively about mounting bracket (203), and perpendicular slider (2031) of end inboard about mounting bracket (203) sliding connection respectively on removing perpendicular spout (202) in the end outside about frame (2), a fixed knob (2032) is installed to top one side screw thread of mounting bracket (203).

6. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the bottom end of the mounting rack (203) is a bottom ring seat (2033), and the bottom end of the bottom ring seat (2033) is provided with three support legs (2034) in an annular array.

7. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the top surface of mounting bracket (203) is equipped with two guide bar (2035), and the top fixed mounting of two guide bar (2035) has one electric telescopic handle (204), and the top fixed mounting of driving motor (205) has one mounting panel (2051), and the top drive of mounting panel (2051) installs in the actuating lever bottom of electric telescopic handle (204), and the both sides slidable mounting of mounting panel (2051) is on two guide bar (2035) of mounting bracket (203) top surface.

8. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: a sliding groove is formed in the transverse support (3), the adjusting block (4) is slidably mounted on the sliding groove in the transverse support (3), a guide column (401) is arranged at the outer end of the adjusting block (4), a limiting column is arranged at the outer end of the guide column (401), a guide groove (301) is formed in the outer side of the transverse support (3), and the guide column (401) at the outer end of the adjusting block (4) is slidably mounted on the guide groove (301) in the outer side of the transverse support (3).

9. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: the top end of the adjusting block (4) is provided with a third fixing screw (403), and a third fixing nut (405) is installed on the third fixing screw (403) at the top end of the adjusting block (4) in a threaded mode.

10. An improved neurosurgical burr hole drill as claimed in claim 1, wherein: a rotating hole (402) is formed in the adjusting block (4), a rotating rod (102) is fixedly mounted at the left outer end and the right outer end of the bridge (1) respectively, a first fixing screw rod (103) is arranged at the outer end of the rotating rod (102), the rotating rod (102) at the outer end of the bridge (1) is rotatably mounted on the rotating hole (402) of the adjusting block (4), and a first fixing nut (404) is mounted on the first fixing screw rod (103) in a threaded mode.

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an improved cranial drill for neurosurgery.

Background

The skull is positioned above the spinal column and consists of 23 flat bones and irregular bones with different shapes and sizes; the bones other than the mandible and hyoid bones are firmly connected to each other at their joints or cartilage, and serve to protect and support the brain, sense organs, and the initial parts of digestive and respiratory organs.

When using, the improved skull drilling device for the existing similar neurosurgery operation is poor in adjustable effect, cannot adjust the supporting height and simultaneously provide a better supporting effect, is not convenient for being fixed on the head of a patient to facilitate the skull drilling operation, cannot fix the radian position of the movable frame, can easily cause the drill bit to shake to influence the operation due to the poor fixing effect of the drill bit when drilling the skull, and cannot adjust and fix the front and back movement and the angle of the drill bit.

Disclosure of Invention

In order to solve the technical problems, the invention provides an improved cranial drill for neurosurgery, which aims to solve the problems that the conventional similar craniotome is poor in adjustable effect, cannot adjust the supporting height and provide a good supporting effect, is inconvenient to fix on the head of a patient to facilitate craniotomy, cannot fix the radian position of a movable frame, is easy to cause the drill to shake due to poor fixing effect of the drill during craniotomy to influence the operation, cannot adjust and fix the front and back movement and the angle of the drill.

The invention relates to an improved cranial drill for neurosurgery operation, which has the purpose and the effect achieved by the following specific technical means:

an improved neurosurgical skull drill comprises a bridge;

the bridge frame is provided with a moving frame in a sliding manner, two sides of the bridge frame are respectively provided with an adjusting block, and the adjusting blocks are arranged in the transverse support in a sliding manner;

the bottom end of the moving frame is slidably provided with an installation frame, a driving motor is arranged on the installation frame, and a drill bit is arranged at the bottom end of the driving motor in a driving mode;

a side support is installed at the bottom end of the transverse support, an arc-shaped block is installed on the inner side of the side support, and a base is connected to the bottom end of the side support.

Furthermore, the top end of the adjusting block is provided with a third fixing screw, and a third fixing nut is installed on the third fixing screw at the top end of the adjusting block in a threaded manner.

Furthermore, a cross arc-shaped rail is arranged on the bridge frame, a cross sliding block is arranged at the rear end of the moving frame, the cross sliding block at the rear end of the moving frame is slidably arranged in the cross arc-shaped rail on the bridge frame, a second fixing screw rod is fixedly arranged on the cross sliding block, and a second fixing nut is arranged on the second fixing screw rod in a threaded manner.

Furthermore, a sliding groove is formed in the transverse support, the adjusting block is slidably mounted on the sliding groove in the transverse support, a guide column is arranged at the outer end of the adjusting block, a limiting column is arranged at the outer end of the guide column, a guide groove is formed in the outer side of the transverse support, and the guide column at the outer end of the adjusting block is slidably mounted on the guide groove in the outer side of the transverse support.

Furthermore, the bottom end of the base is of a three-fork structure, the top end of the base is provided with a convex support block, the outer side of the side support is provided with a concave groove, the bottom end of the outer side of the side support is provided with a clamping knob in a threaded manner, and the convex support block at the top end of the base is slidably mounted on the concave groove in the outer side of the side support.

Furthermore, the top surface of mounting bracket is equipped with two guide bars, and the top fixed mounting of two guide bars has an electric telescopic handle, and driving motor's top fixed mounting has an installation board, and the top drive of installation board installs in electric telescopic handle's actuating lever bottom, and the both sides slidable mounting of installation board is on the two guide bars of mounting bracket top surface.

Furthermore, a rotating hole is formed in the adjusting block, a rotating rod is fixedly mounted at the left outer end and the right outer end of the bridge respectively, a first fixing screw rod is arranged at the outer end of the rotating rod, the rotating rod at the outer end of the bridge is rotatably mounted on the rotating hole of the adjusting block, and a first fixing nut is mounted on the first fixing screw rod in a threaded mode.

Further, a vertical sliding groove is formed in the outer side of the left end and the outer side of the right end of the moving frame respectively, a vertical sliding block is arranged on the inner side of the left end and the inner side of the right end of the mounting frame respectively, the vertical sliding block on the inner side of the left end and the vertical sliding block on the inner side of the right end of the mounting frame are connected to the vertical sliding groove in the outer side of the left end and the right end of the moving frame respectively in a sliding mode, and a fixed knob is installed on one side of the top end of the mounting frame through threads.

Furthermore, the bottom of the mounting rack is a bottom ring seat, and the bottom of the bottom ring seat is provided with three support legs in an annular array.

Further, the outer end fixed mounting of arc piece is in the inboard of collateral branch frame, and a department spherical groove has respectively been seted up at the inboard both ends of arc piece, and the fixed block is equipped with two, and the rear end of fixed block is equipped with a ball-shaped rod, and the ball-shaped rod of two fixed block rear ends rotates respectively and installs on the spherical groove at the inboard both ends of arc piece, and the bottom of horizontal support is equipped with a bottom bracket, rotates on the bottom bracket and is connected with a screw thread rocker, collateral branch frame top slidable mounting is in horizontal support bottom, and collateral branch frame top screw thread installs on the screw thread rocker.

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

1. the setting of collateral branch frame, be favorable to the convex braced block slidable mounting on the concave groove in the collateral branch frame outside on the convex groove of collateral branch frame top, on the concave groove in the collateral branch frame outside, the tight knob of clamp through the bottom screw thread installation of collateral branch frame fixes the mounting height of collateral branch frame, rotate the screw thread rocker on the bottom support, make the collateral branch frame of screw thread installation on the screw thread rocker control, the fixed block of installation is rotated at the inboard arc piece both ends of cooperation collateral branch frame presss from both sides tight fixedly to patient's head, this device is convenient for adjust supporting height, better supporting effect has simultaneously, and be convenient for be fixed in the overhead operation of conveniently boring the cranium of patient.

2. The bridge frame is matched with the moving frame, a cross slide block at the rear end of the moving frame is favorably and slidably arranged in a cross arc rail on the bridge frame, a second fixing nut is arranged on a second fixing screw rod in a threaded manner so as to clamp the outer surface of the bridge frame and fix the radian position of the moving frame, vertical slide blocks on the inner sides of the left end and the right end of the mounting frame are respectively and slidably connected onto vertical slide grooves on the outer sides of the left end and the right end of the moving frame, three support legs at the bottom end of a bottom ring seat on the mounting frame are supported on the outer side of a skull drilling position of a patient, a fixing knob at the top end of the mounting frame is rotated so as to fix the position of the mounting frame, a driving motor drives a drill bit to rotate, two sides of a matching mounting plate are slidably arranged on two guide rods on the top surface of the mounting frame, an electric telescopic rod drives the drill bit to carry out skull drilling operation on the patient through the mounting plate, and therefore, the supporting effect of the drill bit when the device is carried out skull drilling operation on the patient is improved, the problem that the fixing effect of the drill bit is poor when the skull is drilled, so that the drill bit shakes to influence the operation effect is solved.

3. The setting of adjusting block, be favorable to adjusting block slidable mounting on the spout in the horizontal support, thereby drive the drill bit on the crane span structure and carry out the back-and-forth movement, third fixing nut through the third fixing screw thread installation on rotation adjusting block top, so that third fixing nut presss from both sides tightly in the top surface of horizontal support in order to fix the position of crane span structure, the dwang rotation of crane span structure outer end is installed on the rotation hole of adjusting block, can drive the drill bit on the crane span structure and carry out the rotation of angle, through rotating the first fixing nut of screw thread installation on the first fixing screw, first fixing nut presss from both sides tightly in the surface of the spacing post of adjusting block outer end, in order to fix the angle after the crane span structure rotates, thereby make this outfit of a journey device have higher controllability, high adaptability.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of an arc-shaped block in the invention.

Fig. 3 is a schematic view of the mounting structure of the side stand in the present invention.

FIG. 4 is a schematic view of the mounting structure of the adjusting block of the present invention.

FIG. 5 is a schematic view of the assembling and disassembling structure of the adjusting block of the present invention.

FIG. 6 is a schematic diagram of a split structure of an adjusting block according to the present invention.

Fig. 7 is a schematic view of the installation structure of the moving frame of the present invention.

Fig. 8 is a schematic structural view of the moving frame of the present invention.

Fig. 9 is a schematic view of the mounting structure of the mounting bracket of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bridge frame;

101. a cross-arc rail; 102. rotating the rod; 103. a first fixing screw;

2. a movable frame;

201. a crosshead shoe; 2011. a second fixing screw; 2012. a second fixing nut; 202. a vertical chute; 203. a mounting frame; 2031. a vertical slider; 2032. fixing the knob; 2033. a base ring seat; 2034. a support leg; 2035. a guide bar; 204. an electric telescopic rod; 205. a drive motor; 2051. mounting a plate; 206. a drill bit;

3. a transverse support;

301. a guide groove; 302. a bottom bracket; 303. a threaded rocker;

4. an adjusting block;

401. a guide post; 402. rotating the hole; 403. a third fixing screw; 404. a first fixing nut; 405. a third fixing nut;

5. a side bracket;

501. a concave groove; 502. clamping the knob;

6. an arc-shaped block;

601. a spherical groove; 602. a fixed block; 6021. a spherical rod;

7. a base;

701. a convex support block.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides an improved cranial drill for neurosurgery, which comprises a bridge frame 1;

a moving frame 2 is arranged on the bridge frame 1 in a sliding manner, two adjusting blocks 4 are respectively arranged on two sides of the bridge frame 1, and the adjusting blocks 4 are arranged in the transverse support 3 in a sliding manner;

the bottom end of the moving frame 2 is slidably provided with a mounting frame 203, the mounting frame 203 is provided with a driving motor 205, and the bottom end of the driving motor 205 is provided with a drill 206 in a driving way;

the bottom end of the transverse support 3 is provided with a side support 5, the inner side of the side support 5 is provided with an arc-shaped block 6, and the bottom end of the side support 5 is connected with a base 7.

As shown in fig. 3, the bottom end of the base 7 is a three-branch structure, the top end of the base 7 is provided with a convex support block 701, the outer side of the side bracket 5 is provided with a concave groove 501, the outer bottom end of the side bracket 5 is threadedly provided with a clamping knob 502, and the convex support block 701 at the top end of the base 7 is slidably mounted on the concave groove 501 at the outer side of the side bracket 5.

As shown in fig. 2, the outer end of the arc block 6 is fixedly mounted on the inner side of the side support 5, two spherical grooves 601 are respectively formed at two ends of the inner side of the arc block 6, two fixing blocks 602 are provided, a spherical rod 6021 is provided at the rear end of the fixing block 602, the spherical rods 6021 at the rear ends of the two fixing blocks 602 are respectively rotatably mounted on the spherical grooves 601 at two ends of the inner side of the arc block 6, a bottom support 302 is provided at the bottom end of the transverse support 3, a threaded rocker 303 is rotatably connected to the bottom support 302, the top end of the side support 5 is slidably mounted at the bottom end of the transverse support 3, and the top end of the side support 5 is threadedly mounted on the threaded rocker 303; the concrete effect, the convex prop block 701 slidable mounting on base 7 top is on the concave groove 501 in the collateral branch frame 5 outside, the tight knob 502 of clamp through the bottom screw thread installation of collateral branch frame 5 fixes the mounting height of collateral branch frame 5, rotate the screw thread rocker 303 on the end support 302, make the collateral branch frame 5 of screw thread installation on screw thread rocker 303 remove about, the fixed block 602 of installation is pressed from both sides tightly fixedly to patient's head to 6 both ends rotations in the inboard arc of cooperation collateral branch frame 5, this device is convenient for adjust bearing height, better supporting effect has simultaneously, and be convenient for be fixed in the overhead convenient cranium operation that drills of carrying on of patient.

As shown in fig. 7, a cross arc rail 101 is disposed on the bridge 1, a cross slider 201 is disposed at the rear end of the moving frame 2, the cross slider 201 at the rear end of the moving frame 2 is slidably mounted in the cross arc rail 101 on the bridge 1, a second fixing screw 2011 is fixedly mounted on the cross slider 201, and a second fixing nut 2012 is threadedly mounted on the second fixing screw 2011.

Wherein, a perpendicular spout 202 has been seted up respectively in the end outside about removing frame 2, and the end inboard is equipped with a perpendicular slider 2031 respectively about mounting bracket 203, and about mounting bracket 203 perpendicular slider 2031 of end inboard sliding connection respectively on removing the perpendicular spout 202 in the end outside about removing frame 2, and a fixed knob 2032 is installed to top one side screw thread of mounting bracket 203.

The bottom end of the mounting frame 203 is a bottom ring seat 2033, and the bottom end of the bottom ring seat 2033 is provided with three support legs 2034 in an annular array.

The top surface of the mounting bracket 203 is provided with two guide rods 2035, the top ends of the two guide rods 2035 are fixedly provided with one electric telescopic rod 204, the top end of the driving motor 205 is fixedly provided with one mounting plate 2051, the top end of the mounting plate 2051 is driven to be mounted at the bottom end of a driving rod of the electric telescopic rod 204, and two sides of the mounting plate 2051 are slidably mounted on the two guide rods 2035 on the top surface of the mounting bracket 203; specifically, the cross slide 201 at the rear end of the moving frame 2 is slidably mounted in the cross arc rail 101 on the bridge frame 1, a second fixing nut 2012 is threadedly mounted on a second fixing screw 2011 to clamp the outer surface of the bridge frame 1, so as to fix the radian position of the moving frame 2, the vertical slides 2031 at the inner sides of the left and right ends of the mounting frame 203 are respectively slidably connected to the vertical chutes 202 at the outer sides of the left and right ends of the moving frame 2, so that three support legs 2034 at the bottom end of the bottom ring seat 2033 on the mounting frame 203 are supported at the outer side of the skull drilling position of the patient, the position of the mounting frame 203 is fixed by rotating the fixing knob 2032 at the top end of the mounting frame 203, the driving motor 205 drives the drill 206 to rotate, the two sides of the mounting plate 2051 are slidably mounted on two guide rods 2035 at the top surface of the mounting frame 203, and the electric telescopic rod 204 drives the drill 206 to perform the skull drilling operation on the patient through the mounting plate 2051, thereby improving the supporting effect of the drill 206 when the device is used for cranium drilling operation on a patient and avoiding the problem that the fixing effect of the drill 206 is not good and the drill 206 shakes to influence the operation effect when the cranium is drilled.

Wherein, seted up a spout in the horizontal support 3, adjusting block 4 slidable mounting is on the spout in the horizontal support 3, and adjusting block 4's outer end is equipped with a guide post 401, and guide post 401's outer end is equipped with a spacing post, and a guide way 301 has been seted up in the outside of horizontal support 3, and guide post 401 slidable mounting in adjusting block 4 outer end is on the guide way 301 in the horizontal support 3 outside.

The top end of the adjusting block 4 is provided with a third fixing screw 403, and the third fixing screw 403 at the top end of the adjusting block 4 is threadedly provided with a third fixing nut 405.

A rotating hole 402 is formed in the adjusting block 4, a rotating rod 102 is fixedly mounted at each of the left and right outer ends of the bridge 1, a first fixing screw 103 is arranged at the outer end of the rotating rod 102, the rotating rod 102 at the outer end of the bridge 1 is rotatably mounted on the rotating hole 402 of the adjusting block 4, and a first fixing nut 404 is threadedly mounted on the first fixing screw 103; the concrete effect, adjusting block 4 slidable mounting is on the spout in horizontal support 3, thereby drive drill bit 206 on the crane span structure 1 and carry out the back-and-forth movement, third fixing nut 405 through rotating the third fixing screw 403 threaded mounting on adjusting block 4 top, so that third fixing nut 405 presss from both sides tightly in the top surface of horizontal support 3 in order to fix the position of crane span structure 1, the dwang 102 of crane span structure 1 outer end rotates and installs on the rotation hole 402 of adjusting block 4, can drive drill bit 206 on the crane span structure 1 and carry out the rotation of angle, through rotating the first fixing nut 404 of threaded mounting on the first fixing screw 103, first fixing nut 404 presss from both sides tightly in the surface of the spacing post of adjusting block 4 outer end, in order to fix the angle after the crane span structure 1 rotates, thereby make this outfit of a journey have higher adjustable performance, strong adaptability.

In another embodiment, the inner wall of the sliding slot on the transverse support 3 may be provided with a ball contacting the outer wall of the adjusting block 4, so as to further improve the smoothness of the device that the adjusting block 4 slides in the transverse support 3 to drive the bridge frame 1 to move.

The specific use mode and function of the embodiment are as follows:

when the device is used, the convex support block 701 at the top end of the base 7 is slidably arranged on the concave groove 501 at the outer side of the side support 5, the clamping knob 502 which is arranged at the bottom end of the side support 5 through threads is used for fixing the installation height of the side support 5 on the concave groove 501 at the outer side of the side support 5, the threaded rocker 303 on the bottom support 302 is rotated, so that the side support 5 which is arranged on the threaded rocker 303 through threads is moved leftwards and rightwards, the fixing blocks 602 which are rotatably arranged at the two ends of the arc block 6 at the inner side of the side support 5 are matched for clamping and fixing the head of a patient, the device is convenient for adjusting the support height, has better support effect and is convenient for fixing the head of the patient to carry out skull drilling operation, the cross slide block 201 at the rear end of the movable frame 2 is slidably arranged in the cross arc rail 101 on the bridge frame 1, and the second fixing nut 2012 is arranged on the threads of the second fixing screw 2011 to clamp the outer surface of the bridge frame 1 so as to fix the radian position of the movable frame 2, the vertical sliding blocks 2031 at the inner sides of the left end and the right end of the mounting frame 203 are respectively connected with the vertical sliding grooves 202 at the outer sides of the left end and the right end of the movable frame 2 in a sliding way, so that three support legs 2034 at the bottom end of a ring seat 2033 at the upper bottom of the mounting frame 203 are supported at the outer sides of the skull drilling position of a patient, the position of the mounting frame 203 is fixed by rotating a fixing knob 2032 at the top end of the mounting frame 203, the drill bit 206 is driven to rotate by the driving motor 205, the two sides of the mounting plate 2051 are matched and slidably mounted on two guide rods 2035 at the top surface of the mounting frame 203, the electric telescopic rod 204 drives the drill bit 206 to carry out skull drilling operation on the patient through the mounting plate 2051, thereby improving the supporting effect of the drill bit 206 when the device carries out skull drilling operation on the patient, avoiding the problem that the operation effect is influenced by the rock of the drill bit 206 due to poor fixing effect of the drill bit 206 when drilling operation, the adjusting block 4 is slidably mounted on the sliding way in the transverse support 3, thereby driving the drill bit 206 on the bridge frame 1 to move back and forth, third fixing nut 405 through rotating third fixing screw 403 threaded mounting on the top end of adjusting block 4, so that third fixing nut 405 clamps tightly in the top surface of horizontal support 3 to fix the position of crane span structure 1, the dwang 102 of crane span structure 1 outer end is rotated and is installed on rotating hole 402 of adjusting block 4, can drive drill bit 206 on the crane span structure 1 to carry out the rotation of angle, through rotating first fixing nut 404 of threaded mounting on first fixing screw 103, first fixing nut 404 clamps tightly in the surface of the spacing post of adjusting block 4 outer end, in order to fix the angle after the crane span structure 1 rotates, thereby make this outfit of a journey have higher adjustable performance, strong adaptability.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.