CN218220263U - Auxiliary device is put into to orthopedics pedicle of vertebral arch screw - Google Patents

Abstract

The utility model discloses an orthopedic pedicle screw embedding auxiliary device, which comprises a bearing and a slip ring, wherein the bearing comprises an outer ring and an inner ring, the slip ring is fixed with the inner ring of the bearing, an electric brush is arranged between the slip ring and the outer ring of the bearing, an X-ray light source and an X-ray receiver are arranged on the inner ring, and the receiver is arranged right opposite to the light source; and the outer surface of the outer ring is provided with a driving mechanism for driving the inner ring to rotate, and the left end and the right end of the outer ring in the diameter direction are provided with supporting devices. The beneficial effects of the utility model are that: the sliding table can move front and back and left and right, the lifting device can move up and down, the rotating device can rotate, and the sliding ring can axially rotate and can swing back and forth under the action of the swinging mechanism. The outer ring and the inner ring are matched with a light source and a receiver, and the position where the pedicle screw needs to be placed is found out under perspective according to rays emitted by an X-ray light source. And the guiding device and the X-ray stop block assist in positioning the pedicle of vertebral arch by drilling.

Description

Auxiliary device is put into to orthopedics pedicle of vertebral arch screw

Technical Field

The utility model relates to an orthopedic surgery auxiliary instrument field, especially an orthopedic pedicle screw imbeds auxiliary assembly.

Background

In the process of orthopedic pedicle surgery, a perspective device is usually required to be equipped for assisting in determining the position of a pedicle hole. The current common perspective equipment comprises a C-shaped arm X-ray machine and a G-shaped arm X-ray machine. The C-shaped arm X-ray machine can rotate, but cannot simultaneously see through the right position and the side position; the G-shaped arm can simultaneously see through the right position and the side position, but the position is fixed and can not rotate. Thus bringing inconvenience to the operation, being very easy to accidentally injure the dural sac and nerve roots in the vertebral canal, causing serious complications such as paralysis, cerebrospinal fluid leakage and the like, bringing pain to patients and causing tension in doctors and patients.

Patent document CN106175917A discloses a sliding cross perspective orthopedic pedicle screw implantation auxiliary device, which has the same axes of a guide rod, a sliding cylinder, a sleeve and a pedicle drill, and the axes of the guide rod, the sliding cylinder, the sleeve and the pedicle drill coincide with the central axes of a beam limiter, a ray source and a receiving device. The B arc is used for indicating the direction of introducing the nail, and the A arc prevents the nail from being introduced too deeply. And first sleeve can remove about, and second driving motor can drive gear rack and drive B arc and rotate according to clockwise and anticlockwise two directions along the A arc. The third sleeve moves up and down, and the rotating motor drives the meshing gear to rotate, so that the front and rear wheel transmission shafts and the left and right wheel transmission shafts are driven to rotate. The controller is provided with various buttons, so that the equipment can be conveniently controlled to move in different directions, and the equipment is matched with a display screen for use, so that accurate implantation of the pedicle screws is facilitated, and the whole equipment can be operated. The equipment adopts a stand column to support equipment to move up and down, controls the A arc and the B arc to move left and right through a support arm, rotates forwards and backwards, is unstable in transmission, is easy to deviate and causes inaccurate positioning. And the rotation of the arc A and the arc B cannot completely rotate a circle, so that the image processing in the later period is inconvenient.

Patent document CN104434156A discloses a double C-arm structure and imaging device for biplane X-ray imaging device, through setting up first C-arm and second C-arm, and first C-arm is installed on slip and roating seat through first support and stop device slidable, and second C-arm is installed on slip and roating seat through second support and stop device slidable, and first C-arm and second C-arm can mutually independent slip, and the two can not influence each other at the during operation, and for current double C-arm structure, the utility model discloses simple structure, convenient to use. During operation, the first C arm and the second C arm can be independently adjusted respectively, and compared with the prior art, the operation risk and the operation time can be reduced. The device is only convenient for independently adjusting the first C arm and the second C arm, other auxiliary devices are not arranged, and the device cannot move in other directions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome above technical defect, provide one kind and operate steadily, positioning accuracy is high to can realize that the orthopedics pedicle of vertebral arch screw of a plurality of direction adjustment location puts into auxiliary assembly.

The utility model discloses a realize that the technical scheme that its technical objective was taken is:

the auxiliary device for implanting the orthopedic pedicle screws comprises a bearing and a slip ring, wherein the bearing comprises a group of outer rings and inner rings which can slide relatively, the slip ring is fixed with the inner rings of the bearing, an electric brush is further arranged between the slip ring and the outer rings of the bearing, an X-ray light source and an X-ray receiver are arranged on the inner rings, and the receiver is arranged right opposite to the light source; the outer surface of the outer ring is provided with a driving mechanism for driving the inner ring to rotate, and the left end and the right end of the outer ring in the diameter direction are provided with supporting devices;

the upper part of the supporting device is provided with a swinging mechanism, the lower part of the supporting device is provided with a workbench, the swinging mechanism is connected with the outer ring, and the workbench is also provided with a sliding table, a lifting device and a rotating device; the sliding table can move forwards and backwards, leftwards and rightwards, the lifting device can move up and down, the rotating device can rotate, and the bearing can axially rotate and can swing forwards and backwards under the action of the swinging mechanism.

Preferably, the X-ray light source comprises a beam limiter, and a bulb tube and an X-ray stopper are arranged in the beam limiter; the X-ray stopper is positioned on the inner side or the outer side of the bulb tube, and a through hole is formed in the center of the X-ray stopper and is used for transmitting an X-ray beam emitted by the bulb tube;

the cross section of the through hole at the center of the X-ray stop block is rectangular, isosceles trapezoid or hourglass-shaped;

the X-ray receiver is used for receiving X-rays and transmitting an X-ray signal outwards.

Preferably, the light source and the receiver are connected with the bearing inner ring by adopting a guiding device, and the guiding device comprises a clamping device, a first transverse connecting rod, a longitudinal connecting rod, a second transverse connecting rod and a sleeve; the clamping device is circular and is coaxial with the X-ray; one end of the first transverse connecting rod is connected with the tightening device through a chuck, the other end of the first transverse connecting rod is connected with the upper end of the longitudinal connecting rod, one end of the second transverse connecting rod is connected with the sleeve, and the other end of the second transverse connecting rod is connected with the lower end of the longitudinal connecting rod;

the chuck can slide along the circumference of the clamping device, and the extension line of the first transverse connecting rod passes through the center of the circle of the clamping device; the longitudinal connecting rod is a lead screw and can axially slide under the drive of a motor; the hooping device, the sleeve and the X-ray shaft are coaxial, and the axes of the first transverse connecting rod, the longitudinal connecting rod and the second transverse connecting rod are located in the same plane.

Preferably, the cross section of the bearing inner ring is a convex-shaped inner ring, two outer rings are arranged on the shoulders on two sides of the bearing inner ring, the slip ring is fixed with the bearing inner ring through bolts, the driving mechanism on the outer surface of the bearing outer ring comprises a driving motor and a synchronous belt, the driving motor is connected to the outer ring through a motor connecting plate, a driving gear is arranged on the driving motor, a driven gear is arranged on the outer surface of the inner ring, and the synchronous belt is connected between the driving gear and the driven gear.

Preferably, the slip ring and the bearing inner ring are fixed through a bolt, the driving mechanism on the outer surface of the bearing outer ring comprises a driving motor, a driving gear is arranged on the driving motor, a driven gear is arranged on the outer surface of the inner ring, and the driving gear is meshed with the driven gear, so that the driven gear is driven to rotate.

Preferably, the swing mechanism comprises a swing motor, a swing reducer, a swing shaft and a belt,

the output shaft of the swing motor is in transmission connection with the input shaft of the swing reducer through a gear, and a driving belt pulley is arranged on the output shaft of the swing reducer; the swing shaft is horizontally arranged at the upper end of the supporting device through a bearing, a driven belt pulley is arranged at the outer end of the swing shaft, and the inner end of the swing shaft is connected to the outer ring through a connecting block; the belt is connected between the drive pulley and the driven pulley.

Preferably, the swing mechanism comprises a swing motor, a swing reducer, a swing shaft, a driving swing gear and a driven swing gear,

the output shaft of the swing motor is in transmission connection with the input shaft of the swing reducer through a gear, and the output shaft of the swing reducer is provided with a driving swing gear; the swinging shaft is horizontally arranged at the upper end of the supporting device through a bearing, a driven swinging gear is arranged at the outer end of the swinging shaft, and the inner end of the swinging shaft is connected to the outer ring through a connecting block; the driving swing gear is meshed with the driven swing gear, so that the driven swing gear is driven to rotate.

Preferably, the rotating device comprises a tray, a tray through hole is formed in the center of the tray, a rotating motor and a rotating speed reducer are arranged below the tray, a turntable is arranged above the tray, the rotating speed reducer is connected with the rotating motor in a matching manner, and an output shaft of the rotating speed reducer penetrates through the tray through hole and is connected to the turntable, so that the rotating motor can drive the turntable to rotate;

the supporting device is of a U-shaped structure, and the upper part of the rotary table is connected to the lower part of a horizontal transverse plate of the U-shaped structure; the left side and the right side of the horizontal transverse plate are also provided with sliding blocks, the upper surface of the tray is also provided with arc-shaped sliding rails, the sliding blocks are buckled above the arc-shaped sliding rails, and the sliding blocks drive the horizontal transverse plate to rotate along with the rotation of the rotary table, so that the sliding blocks are driven to slide along the arc-shaped sliding rails.

Preferably, the lifting device comprises a lifting screw rod and a lifting motor, the upper end of the lifting screw rod is connected to the lower surface of the tray, the lower end of the lifting screw rod is matched with the lifting motor, and the lifting motor is arranged in the sliding table; the lifting motor rotates to drive the lifting screw rod to lift, and then the tray is pushed to lift.

Preferably, the sliding table comprises an outer sliding table, a middle sliding table and an inner sliding table, and the middle sliding table is sleeved in the outer sliding table and can translate left and right along the outer sliding table; the inner sliding table is sleeved in the middle sliding table and can translate back and forth along the middle sliding table; a lifting screw rod and a lifting motor of the lifting device are arranged in the inner sliding table;

the outer sliding table is provided with a first sliding rail, a first lead screw motor and a first bracket, the first lead screw motor is arranged on the first bracket, one end of the first lead screw is connected to an output shaft of the first lead screw motor through a speed reducer, and the other end of the first lead screw penetrates through the first bracket and extends to the middle sliding table;

a first sliding block matched with the first sliding rail is arranged on the outer side of the middle sliding table, a second sliding rail, a second lead screw motor and a second bracket are arranged on the inner side of the middle sliding table, the second lead screw motor is arranged on the second bracket, one end of the second lead screw is connected to an output shaft of the second lead screw motor through a speed reducer, and the other end of the second lead screw penetrates through the second bracket and extends to the inner sliding table;

the outer side of the inner sliding table is provided with a second sliding block matched with the second sliding rail, the inner side of the inner sliding table is provided with a vertical round hole as a lifting slide way, and the lifting screw rod is sleeved in the lifting slide way.

The utility model has the advantages that: the inner sliding table in the sliding tables realizes the adjustment of the front and back directions of the workbench, the middle sliding table realizes the adjustment of the left and right directions of the workbench, and the lifting device realizes the adjustment of the up and down directions of the workbench. The rotating device realizes that the supporting device rotates around the vertical center line of the supporting device, and further drives the bearing sliding ring assembly to rotate around the vertical center line of the bearing sliding ring assembly. The swing motor rotates to further drive the bearing and sliding ring assembly to rotate around the horizontal center line of the bearing and sliding ring assembly, and the bearing and sliding ring assembly swings in the front-back direction. The outer ring and the inner ring of the bearing can move relatively, and the position where the pedicle screw needs to be placed is found under perspective by matching with the X-ray light source and the receiver according to rays emitted by the X-ray light source. The guide rod, the sliding cylinder and the sleeve of the guide device are the same as the axis of the pedicle drill, and the axis of the guide rod, the sliding cylinder and the sleeve is superposed with the central axis of the X-ray stop block, the bulb tube and the image intensifier, so that the guide line is accurately aligned to the drilling position when the pedicle drill is used for drilling, and the deviation is avoided. The cross section of the through hole of the X-ray stop block is rectangular, isosceles trapezoid or hourglass-shaped, so that rays scattered out of the anode are blocked, accurate rays passing through the through hole are reserved, and drilling and positioning of the pedicle of vertebral arch are assisted.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the lifting device and the rotating device;

FIG. 3 is a schematic view of the connection of the slip ring with the bearing and the driven gear;

FIG. 4 is a schematic view of another connection mode of the slip ring, the bearing and the driven gear;

FIG. 5 is a schematic view of the connection between the guiding device and the X-ray source;

FIG. 6 is a schematic view of the connection between the guiding device and the X-ray receiver;

FIG. 7 is a schematic view of the connection of the X-ray receiver to the stirrup device;

FIG. 8 is a schematic view showing the operation of the X-ray receptor when the stirrup device is connected thereto;

FIG. 9 is a schematic view showing the positional relationship between the bulb and the X-ray stop;

FIG. 10 is a schematic view showing another positional relationship between the bulb and the X-ray block;

FIG. 11 is a schematic view of a rectangular cross section of an X-ray stop through hole;

FIG. 12 is a schematic cross-sectional view of an isosceles trapezoid of a through hole of an X-ray block;

FIG. 13 is a schematic cross-sectional view of an X-ray stop through-hole hourglass shape;

FIG. 14 is a schematic diagram of the operation of the light source and the receiver;

FIG. 15 is a schematic structural view of a bearing-slip ring assembly and a swing mechanism;

FIG. 16 is another schematic structural view of the bearing-slip ring assembly and the swing mechanism;

FIG. 17 is a schematic view of the entire slide table;

FIG. 18 is a sectional view of the slide table;

FIG. 19 is a schematic view of a connection manner of the first slide rail and the first slider;

FIG. 20 is a schematic view of a connection manner between the second slide rail and the second slider;

FIG. 21 is a schematic view of a tray and a lift screw.

Marked as 1, bearing; 100. a slip ring; 11. an outer ring; 12. an inner ring; 13. an electric brush; 14. a bolt;

2. an X-ray light source; 3. an X-ray receiver; 4. a drive mechanism; 5. a support device; 6. a sliding table; 7. a lifting device; 8. a rotating device; 9. a guide device; 10. a pedicle drill; 21. a beam limiter; 211. a bulb tube;

212. an X-ray block; 213. a through hole; 41. a drive motor; 42. a synchronous belt; 43. a motor connecting plate;

44. a driving gear; 45. a driven gear; 52. a swing mechanism; 53. a work table; 521. a swing motor;

522. a swing reducer; 523. a swing shaft; 524. a belt; 525. a drive pulley; 526. a bearing;

527. a driven pulley; 528. connecting blocks; 529. an active oscillating gear; 530. a driven oscillating gear;

61. an outer slide table; 62. a middle sliding table; 63. an inner sliding table; 64. a first slide rail; 65. a first lead screw;

66. a first lead screw motor; 67. a first bracket; 68. a first slider; 69. a second slide rail; 610. a second lead screw;

611. a second lead screw motor; 612. a second bracket; 613. a second slider; 614. a vertical circular hole; 71. lifting a screw rod; 72. a lifting motor; 81. a tray; 82. a tray through hole; 83. a rotating electric machine; 84. rotating the speed reducer; 85. a turntable; 86. rotating the slide block; 87. a circular arc-shaped sliding rail; 91. a tightening device; 92. a first transverse connecting rod; 93. a longitudinal connecting rod; 94. a second transverse connecting rod; 95. a sleeve; 96. a chuck; 97. and (7) installing a bracket.

Detailed Description

The present invention will be further explained with reference to the embodiments of the drawings.

Example one

As shown in fig. 1-2, 4-5, 9-15, 17-21: the auxiliary device for implanting the orthopedic pedicle screws comprises a bearing 1 and a slip ring 100, wherein the bearing 1 comprises a group of outer rings 11 and inner rings 12 which can slide relatively, the slip ring 100 is fixed with the inner rings 12 of the bearing 1, an electric brush 13 is further arranged between the slip ring 100 and the outer rings 11 of the bearing, an X-ray light source 2 and an X-ray receiver 3 are arranged on the inner rings 12, and the X-ray receiver 3 is arranged right opposite to the X-ray light source 2; the outer surface of the outer ring 11 is provided with a driving mechanism 4 for driving the inner ring 12 to rotate, and the left end and the right end of the outer ring 11 in the diameter direction are provided with supporting devices 5;

the upper part of the supporting device 5 is provided with a swinging mechanism 52, the lower part of the supporting device is provided with a workbench 53, the swinging mechanism 52 is connected with the outer ring 11, and the workbench 53 is also provided with a sliding table 6, a lifting device 7 and a rotating device 8; the sliding table 6 can move back and forth and left and right, the lifting device 7 can move up and down, the rotating device 8 can rotate, and the bearing 1 can axially rotate and can swing back and forth under the action of the swinging mechanism 52.

The X-ray light source 2 comprises a beam limiter 21, and a bulb tube 211 and an X-ray stopper 212 are arranged in the beam limiter 21; the X-ray block 212 is positioned on the inner side or the outer side of the bulb 211, and a through hole 213 is arranged in the center of the X-ray block 212, and the through hole 213 is used for transmitting the X-ray beam emitted by the bulb 211;

the cross section of the through hole in the center of the X-ray block 212 is rectangular, isosceles trapezoid or hourglass-shaped;

the X-ray receiver 3 is used for receiving X-rays and transmitting an X-ray signal outwards.

The X-ray light source 2 and the X-ray receiver 3 are connected with the bearing inner ring 12 by adopting a guide device 9, and the guide device comprises a clamping device 91, a first transverse connecting rod 92, a longitudinal connecting rod 93, a second transverse connecting rod 94 and a sleeve 95; the banding device 91 is circular and coaxial with the X-ray; one end of the first transverse connecting rod 92 is connected with the tightening device 91 through a chuck 96, the other end of the first transverse connecting rod is connected with the upper end of the longitudinal connecting rod 93, one end of the second transverse connecting rod 94 is connected with the sleeve 95, and the other end of the second transverse connecting rod is connected with the lower end of the longitudinal connecting rod 93;

the chuck 96 can slide along the circumference of the tightening unit 91, and the extension line of the first transverse connecting rod 92 passes through the center of the tightening unit 91; the longitudinal connecting rod 93 is a lead screw and can axially slide under the drive of a motor; the hooping device 91 and the sleeve 95 are coaxial with the X-ray axis, and the axes of the first transverse connecting rod 92, the longitudinal connecting rod 93 and the second transverse connecting rod 94 are positioned in the same plane;

the tightening device can be arranged at the periphery of the beam limiter or the receiver, namely the tightening device is arranged at the periphery of the beam limiter or the receiver independently, or the tightening device is arranged at the periphery of the beam limiter or the receiver.

The cross section of the bearing inner ring 12 is a convex-shaped inner ring, two outer rings 11 are arranged on the shoulders on two sides of the inner ring, the slip ring 100 is fixed with the bearing inner ring 12 through bolts 14, the driving mechanism 4 on the outer surface of the outer ring 11 of the bearing 1 comprises a driving motor 41 and a synchronous belt 42, the driving motor 41 is connected to the outer ring 11 through a motor connecting plate 43, a driving gear 44 is arranged on the driving motor 41, a driven gear 45 is arranged on the inner ring 12, and the synchronous belt 42 is connected between the driving gear 44 and the driven gear 45.

The swing mechanism 52 comprises a swing motor 521, a swing reducer 522, a swing shaft 523 and a belt 524,

an output shaft of the swing motor 521 is in transmission connection with an input shaft of the swing reducer 522 through a gear, and a driving belt pulley 525 is arranged on an output shaft of the swing reducer 522; the swinging shaft 523 is horizontally arranged at the upper end of the supporting device 5 through a bearing 526, the outer end of the swinging shaft 523 is provided with a driven pulley 527, and the inner end of the swinging shaft 523 is connected to the outer ring 12 through a connecting block 528; the belt 524 is connected between the drive pulley 525 and the driven pulley 527.

The rotating device 8 comprises a tray 81, a tray through hole 82 is arranged in the center of the tray 81, a rotating motor 83 and a rotating speed reducer 84 are arranged below the tray 81, a turntable 85 is arranged above the tray, the rotating speed reducer 84 is connected with the rotating motor 83 in a matching way, and an output shaft of the rotating speed reducer 84 penetrates through the tray through hole 82 and is connected to the turntable 85, so that the rotating motor 83 can drive the turntable 85 to rotate;

the supporting device 5 is of a U-shaped structure, and the upper part of the turntable 85 is connected to the lower part of a horizontal transverse plate of the U-shaped structure; the left side and the right side of the horizontal transverse plate are further provided with rotating sliding blocks 86, the upper surface of the tray 81 is further provided with circular arc-shaped sliding rails 87, the rotating sliding blocks 86 are buckled above the circular arc-shaped sliding rails 87, and the rotating sliding blocks 86 rotate along with the rotation of the rotating disc 85 to drive the horizontal transverse plate to rotate, so that the rotating sliding blocks 86 are driven to slide along the circular arc-shaped sliding rails 87.

The lifting device 7 comprises a lifting screw 71 and a lifting motor 72, the upper end of the lifting screw 71 is connected to the lower surface of the tray 81, the lower end of the lifting screw is matched with the lifting motor 72, and the lifting motor 72 is arranged in the sliding table 6; the lifting motor 72 rotates to drive the lifting screw 71 to lift, so as to push the tray 81 to lift.

The sliding table 6 comprises an outer sliding table 61, a middle sliding table 62 and an inner sliding table 63, wherein the middle sliding table 62 is sleeved in the outer sliding table 61 and can translate left and right along the outer sliding table 61; the inner sliding table 63 is sleeved in the middle sliding table 62 and can translate back and forth along the middle sliding table 62; the lifting screw 71 and the lifting motor 72 of the lifting device 7 are arranged in the inner sliding table 63;

a first slide rail 64, a first lead screw 65, a first lead screw motor 66 and a first bracket 67 are arranged on the outer sliding table 61, the first lead screw motor 66 is arranged on the first bracket 67, one end of the first lead screw 65 is connected to an output shaft of the first lead screw motor 66 through a speed reducer, and the other end of the first lead screw passes through the first bracket 67 and extends to the middle sliding table 62;

a first sliding block 68 matched with the first sliding rail 64 is arranged on the outer side of the middle sliding table 62, a second sliding rail 69, a second lead screw 610, a second lead screw motor 611 and a second bracket 612 are arranged on the inner side of the middle sliding table, the second lead screw motor 611 is arranged on the second bracket 612, one end of the second lead screw 610 is connected to an output shaft of the second lead screw motor 611 through a speed reducer, and the other end of the second lead screw 610 penetrates through the second bracket 612 and extends to the inner sliding table 63;

the outside of the inner sliding table 63 is provided with a second sliding block 613 matched with the second sliding rail 69, the inside is provided with a vertical round hole 614 as a lifting slide way, and the lifting screw 71 is sleeved in the lifting slide way.

The utility model discloses a theory of operation and working process as follows:

the utility model discloses a six system that three linear motion and three rotary motion constitute. The six-axis system and the X-ray form an integral system which is used for searching the axis of a target object, namely the pedicle of vertebral arch, in the space of the area. After the axis is found, the guide pin is matched with the guide sleeve system, and the guide pin is placed into a target object, namely the vertebral pedicle.

Motion and positioning relation: (1) move left and right to see the long axis of the posterior and anterior position of the spine.

(2) And moving back and forth to see the upper and lower edges of the targeted centrum orthostatic position.

(3) The base is rotated to see the lateral position of the vertebral body with the upper and lower edges flush.

(4) And (5) adjusting the ascending and descending, and estimating intersection points of the pedicles on two sides.

(5) Swinging and rotating to see the upper and lower edges of the vertebral pedicle of the anterior vertebral body.

(6) Rotating the inner ring of the bearing to see the axis of the vertebral pedicle.

Specifically, the method comprises the following steps: first, in order to facilitate pushing the work table 53, wheels are provided at four corners of the bottom of the outer slide table 63, and the work table 53 is pushed to the operating room by the wheels.

The bearing 1 comprises an outer ring 11 and an inner ring 12, wherein the inner ring 12 is provided with an X-ray light source 2 and an X-ray receiver 3, and the workbench 53 is pushed along the operating table, so that the inner ring 12 moves along the operating table until the workbench 53 moves to the position of the spine of the patient where the pedicle screws are required to be implanted.

After the bearing 1 and the slip ring 100 as a whole 1 move to a proper position, the second lead screw motor 611 drives the second lead screw 610 to rotate, and further drives the second slider 613 on the inner sliding table 63 to move along the second slide rail 69, and further drives the lifting lead screw 71 and the lifting motor 72 to move back and forth, so as to adjust the front and back directions of the workbench 53, as shown in fig. 18, 19 and 20.

The first lead screw motor 66 drives the first lead screw 65 to rotate, and further drives the first slider 68 on the intermediate sliding table 62 to move along the first slide rail 64, and further drives the inner sliding table 63, the lifting lead screw 71 and the lifting motor 72 to move left and right, so as to adjust the left and right directions of the workbench 53, as shown in fig. 18, 19 and 20.

The lifting motor 72 is started to drive the lifting screw 71 to rotate, so as to push the tray 81 to lift, thereby realizing the adjustment of the vertical direction of the workbench 53, as shown in fig. 17.

After the adjustment of the front and back, left and right, up and down directions of the working table is finished, the equipment is adjusted in a rotating way. Namely: the rotating motor 83 drives the rotating disc 85 to rotate, and along with the rotation of the rotating disc 85, the horizontal transverse plate of the U-shaped supporting device 5 is driven to rotate, so that the rotating slide block 86 is driven to rotate on the arc-shaped slide rail 87, the supporting device 5 is driven to rotate around the vertical center line of the supporting device, and the bearing 1 and the sliding ring 100 are driven to rotate around the vertical center line of the supporting device.

The swing motor 521 rotates to drive the driving pulley 525, the belt 524 and the driven pulley 527 to rotate, and further drive the bearing 1 and the slip ring 100 to rotate around the horizontal center line thereof, so that the bearing 1 and the slip ring 100 swing in the front-back direction.

In the driving mechanism 4 on the outer surface of the outer ring 11, a driving gear 44 is arranged on the driving motor 41, a driven gear 45 is arranged on the inner ring 12, and the synchronous belt 42 is connected between the driving gear 44 and the driven gear 45. The driving motor 41 drives the inner ring 12 to rotate relative to the outer ring 11, and along with the rotation of the inner ring 12, the position where the pedicle screw needs to be placed is found under perspective according to the ray emitted by the X-ray light source 2.

The X-ray light source 2 comprises an image intensifier 21, and a bulb tube 211 and an X-ray stopper 212 are arranged in the image intensifier 21; the X-ray block 212 has a through hole 213 formed at the center thereof, and the through hole 213 is used for transmitting the X-ray beam. And the cross section of the through hole 213 at the center of the X-ray block 212 is rectangular, isosceles trapezoid or hourglass-shaped, so that the X-ray emitted by the bulb tube 211 can form accurate projection to assist the drilling and positioning of the pedicle of vertebral arch.

The X-ray receiver 3 is provided with a wireless image transmission system, and the system transmits signals transmitted by the X-ray receiver 3 to the wireless signal receiver in a wireless mode and transmits the signals to a computer, so that a pedicle hole drilling positioning picture and a real-time hole drilling working picture are read in a display, and the pedicle hole drilling precision and the pedicle screw implantation precision are improved.

Example two

As shown in fig. 3 and 16:

the driving mechanism 4 on the outer surface of the outer ring 11 of the bearing 1 comprises a driving motor 41, a driving gear 44 is arranged on the driving motor 41, a driven gear 45 is arranged on the inner ring 12, and the driving gear 44 is meshed with the driven gear 45, so that the driven gear 45 is driven to rotate.

The swing mechanism comprises a swing motor 521, a swing reducer 522, a swing shaft 523, a driving swing gear 529 and a driven swing gear 530,

an output shaft of the swing motor 521 is in transmission connection with an input shaft of the swing reducer 522 through a gear, and an output shaft of the swing reducer 522 is provided with a driving swing gear 529; the swinging shaft 523 is horizontally arranged at the upper end of the supporting device 5 through a bearing 526, a driven swinging gear 530 is arranged at the outer end of the swinging shaft 523, and the inner end of the swinging shaft is connected to the outer ring 11 through a connecting block 528; the driving swing gear 529 is engaged with the driven swing gear 530 to rotate the driven swing gear 530.

As shown in fig. 6-8:

the X-ray receiver 3 is provided with a guide device 9 for guiding the nail, and the guide device 9 comprises a tightening device 91, a first transverse connecting rod 92, a longitudinal connecting rod 93, a second transverse connecting rod 94 and a sleeve 95; the banding device 91 is circular and coaxial with the X-ray; one end of the first transverse connecting rod 92 is connected with the tightening device 91 through a chuck 96, the other end of the first transverse connecting rod is connected with the upper end of the longitudinal connecting rod 93, one end of the second transverse connecting rod 94 is connected with the sleeve 95, and the other end of the second transverse connecting rod is connected with the lower end of the longitudinal connecting rod 93;

the chuck 96 can slide along the circumference of the tightening unit 91, and the extension line of the first transverse connecting rod 92 passes through the center of the tightening unit 91; the longitudinal connecting rod 93 is a lead screw and can axially slide under the drive of a motor; the hooping device 91 and the sleeve 95 are coaxial with the X-ray axis, and the axes of the first transverse connecting rod 92, the longitudinal connecting rod 93 and the second transverse connecting rod 94 are located in the same plane.

The clamping device 91 can be arranged at the outer edge of the X-ray light source 2 or the X-ray receiver 3, namely, at the outer edge of the beam limiter 21 of the X-ray light source 2 or at the outer edge of the mounting bracket 97 of the X-ray receiver 3.

When the pedicle drill is used, the longitudinal connecting rod 93 is extended, and the pedicle drill 10 is placed in the sleeve 95 to drill the pedicle.

Claims (10)

1. Auxiliary assembly is put into to orthopedics pedicle of vertebral arch screw, including bearing, sliding ring, its characterized in that: the bearing comprises a group of outer rings and inner rings which can slide relatively, the slip ring is fixed with the bearing inner ring, an electric brush is arranged between the slip ring and the bearing outer ring, an X-ray light source and an X-ray receiver are arranged on the inner ring, and the receiver is arranged right opposite to the light source; the outer surface of the outer ring is provided with a driving mechanism for driving the inner ring to rotate, and the left end and the right end of the outer ring in the diameter direction are provided with supporting devices;

the upper part of the supporting device is provided with a swinging mechanism, the lower part of the supporting device is provided with a workbench, the swinging mechanism is connected with the outer ring, and the workbench is also provided with a sliding table, a lifting device and a rotating device; the sliding table can move forwards and backwards, leftwards and rightwards, the lifting device can move up and down, the rotating device can rotate, and the bearing can axially rotate and can swing forwards and backwards under the action of the swinging mechanism.

2. The orthopedic pedicle screw placement aid of claim 1, wherein: the X-ray light source comprises a beam limiter, and a bulb tube and an X-ray stop block are arranged in the beam limiter; the X-ray stopper is positioned on the inner side or the outer side of the bulb tube, and a through hole is formed in the center of the X-ray stopper and is used for transmitting an X-ray beam emitted by the bulb tube;

the cross section of the through hole at the center of the X-ray stop block is rectangular, isosceles trapezoid or hourglass-shaped;

the X-ray receiver is used for receiving X-rays and transmitting an X-ray signal outwards.

3. The orthopedic pedicle screw placement aid of claim 1, wherein: the X-ray light source and the X-ray receiver are provided with guide devices for guiding the nail placement, and each guide device comprises a tightening device, a first transverse connecting rod, a longitudinal connecting rod, a second transverse connecting rod and a sleeve; the clamping device is circular and is coaxial with the X-ray; one end of the first transverse connecting rod is connected with the clamping device through a chuck, the other end of the first transverse connecting rod is connected with the upper end of the longitudinal connecting rod, one end of the second transverse connecting rod is connected with the sleeve, and the other end of the second transverse connecting rod is connected with the lower end of the longitudinal connecting rod;

the chuck can slide along the circumference of the clamping device, and the extension line of the first transverse connecting rod passes through the circle center of the clamping device; the longitudinal connecting rod is a lead screw and can axially slide under the drive of a motor; the hooping device, the sleeve and the X-ray shaft are coaxial, and the axes of the first transverse connecting rod, the longitudinal connecting rod and the second transverse connecting rod are located in the same plane.

4. The orthopedic pedicle screw placement aid of claim 1, wherein: the cross section of the bearing inner ring is a convex-shaped inner ring, two outer rings are arranged on the shoulders on two sides of the bearing inner ring, the slip ring is fixed with the bearing inner ring through bolts, the driving mechanism on the outer surface of the bearing outer ring comprises a driving motor and a synchronous belt, the driving motor is connected to the outer ring through a motor connecting plate, a driving gear is arranged on the driving motor, a driven gear is arranged on the outer surface of the inner ring, and the synchronous belt is connected between the driving gear and the driven gear.

5. The orthopedic pedicle screw placement aid of claim 1, wherein: the slip ring and the bearing inner ring are fixed through bolts, the driving mechanism on the outer surface of the bearing outer ring comprises a driving motor, a driving gear is arranged on the driving motor, a driven gear is arranged on the inner ring, and the driving gear is meshed with the driven gear, so that the driven gear is driven to rotate.

6. The orthopedic pedicle screw placement aid of claim 1, wherein: the swing mechanism comprises a swing motor, a swing reducer, a swing shaft and a belt,

the output shaft of the swing motor is in transmission connection with the input shaft of the swing reducer through a gear, and a driving belt pulley is arranged on the output shaft of the swing reducer; the swing shaft is horizontally arranged at the upper end of the supporting device through a bearing, a driven belt pulley is arranged at the outer end of the swing shaft, and the inner end of the swing shaft is connected to the outer ring through a connecting block; the belt is connected between the drive pulley and the driven pulley.

7. The orthopedic pedicle screw placement aid of claim 1, wherein: the swing mechanism comprises a swing motor, a swing reducer, a swing shaft, a driving swing gear and a driven swing gear,

the output shaft of the swing motor is in transmission connection with the input shaft of the swing reducer through a gear, and the output shaft of the swing reducer is provided with a driving swing gear; the swinging shaft is horizontally arranged at the upper end of the supporting device through a bearing, a driven swinging gear is arranged at the outer end of the swinging shaft, and the inner end of the swinging shaft is connected to the outer ring through a connecting block; the driving swing gear is meshed with the driven swing gear, so that the driven swing gear is driven to rotate.

8. The orthopedic pedicle screw placement aid of claim 1, wherein: the rotating device comprises a tray, a tray through hole is formed in the center of the tray, a rotating motor and a rotating speed reducer are arranged below the tray, a turntable is arranged above the tray, the rotating speed reducer is connected with the rotating motor in a matched mode, and an output shaft of the rotating speed reducer penetrates through the tray through hole and is connected to the turntable, so that the rotating motor can drive the turntable to rotate;

the supporting device is of a U-shaped structure, and the upper part of the rotary table is connected to the lower part of a horizontal transverse plate of the U-shaped structure; the left side and the right side of the horizontal transverse plate are also provided with sliding blocks, the upper surface of the tray is also provided with arc-shaped sliding rails, the sliding blocks are buckled above the arc-shaped sliding rails, and the sliding blocks drive the horizontal transverse plate to rotate along with the rotation of the rotary table, so that the sliding blocks are driven to slide along the arc-shaped sliding rails.

9. The orthopedic pedicle screw placement aid of claim 1, wherein: the lifting device comprises a lifting screw rod and a lifting motor, the upper end of the lifting screw rod is connected to the lower surface of the tray, the lower end of the lifting screw rod is matched with the lifting motor, and the lifting motor is arranged in the sliding table; the lifting motor rotates to drive the lifting screw rod to lift, and then the tray is pushed to lift.

10. The orthopedic pedicle screw placement aid of claim 1, wherein: the sliding table comprises an outer sliding table, a middle sliding table and an inner sliding table, wherein the middle sliding table is sleeved in the outer sliding table and can translate left and right along the outer sliding table; the inner sliding table is sleeved in the middle sliding table and can translate back and forth along the middle sliding table; a lifting screw rod and a lifting motor of the lifting device are arranged in the inner sliding table;

the outer sliding table is provided with a first sliding rail, a first lead screw motor and a first bracket, the first lead screw motor is arranged on the first bracket, one end of the first lead screw is connected to an output shaft of the first lead screw motor through a speed reducer, and the other end of the first lead screw penetrates through the first bracket and extends to the middle sliding table;

a first sliding block matched with the first sliding rail is arranged on the outer side of the middle sliding table, a second sliding rail, a second lead screw motor and a second bracket are arranged on the inner side of the middle sliding table, the second lead screw motor is arranged on the second bracket, one end of the second lead screw is connected to an output shaft of the second lead screw motor through a speed reducer, and the other end of the second lead screw penetrates through the second bracket and extends to the inner sliding table;

the outer side of the inner sliding table is provided with a second sliding block matched with the second sliding rail, the inner side of the inner sliding table is provided with a vertical round hole as a lifting slide way, and the lifting screw rod is sleeved in the lifting slide way.

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