Auxiliary device for automatically planning pedicle screw

Abstract

The invention provides an auxiliary device for automatically planning a pedicle screw, and relates to the technical field of spine correction equipment. Comprising a controller and a bed board, an equipment frame is arranged on the bed board and comprises vertical frames arranged on the two sides of the bed board, vertical sliding grooves are formed in the vertical frames, and horizontal frames are arranged on the vertical sliding grooves; a horizontal sliding groove is formed in the horizontal frame, and a hinge seat is arranged on the horizontal sliding groove; an auxiliary part is arranged on the hinge seat; a displacement sensor is arranged on the equipment frame and electrically connected with the controller. Compared with the prior art, the device is simple in structure, convenient to use and capable of accurately moving to the position where nailing is needed, medical workers are assisted in positioning, and the working intensity of the medical workers is greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of spinal correction equipment, and in particular to an automatic planning pedicle screw auxiliary device. Background Art

[0002] Spinal vertebral lesions are common and frequently occurring diseases that trouble people. The main surgical procedure for treating this disease is to perform spinal lesion resection and then spinal reconstruction. Currently, the posterior spinal fixation system has been widely used in the treatment of spinal injuries. Among the posterior spinal fixation systems, pedicle screws are an indispensable part of the treatment of spinal injuries. They are used in combination with posterior cervical rods, connecting plates and occipital plates to achieve the purpose of correction or fixation through traction, torsion and reduction techniques.

[0003] The existing positioning of pedicle screws requires medical staff to determine the angle and depth of insertion one by one by comparing the patient's spinal X-ray view. This not only requires high surgical experience and judgment ability of medical staff, but also the angle of each set of pedicle screws is different, which consumes a lot of energy of medical staff. At the same time, the pedicle screw insertion has a low tolerance rate and is difficult to correct, which also causes great psychological pressure on medical staff during surgery.

[0004] Therefore, there is an urgent need for an automatic planning pedicle screw auxiliary device to solve the above-mentioned problems during laparoscopic surgery. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic planning pedicle screw auxiliary device, which has a simple structure, is easy to use and can be accurately moved to the required nailing position, assisting medical staff in positioning, greatly reducing the work intensity of medical staff.

[0006] The embodiment of the present invention is achieved as follows:

[0007] An embodiment of the present application provides an automatic planning pedicle screw auxiliary device, which includes a controller and a bed board, wherein an equipment frame is arranged on the bed board, and the equipment frame includes vertical frames arranged on both sides of the bed board, vertical slide grooves are arranged on the vertical frames, and horizontal frames are arranged on the vertical slide grooves; horizontal slide grooves are arranged on the horizontal frames, and hinge seats are arranged on the horizontal slide grooves; auxiliary parts are arranged on the hinge seats; and displacement sensors are arranged on the equipment frame, and the displacement sensors are electrically connected to the controller.

[0008] In some embodiments of the present invention, a horizontal sliding block is provided on the horizontal sliding groove, and a vertical telescopic rod is provided between the articulated seat and the horizontal sliding block.

[0009] In some embodiments of the present invention, the above-mentioned articulated seat includes a horizontal swivel seat and a vertical swivel seat, the horizontal swivel seat is arranged at the bottom of the horizontal slider, the vertical swivel seat is arranged on the horizontal swivel seat, and an inclined swivel seat is also arranged on the vertical swivel seat; the rotation axis of the horizontal swivel seat is perpendicular to the ground, the rotation axes of the vertical swivel seat and the inclined swivel seat are parallel to the ground and perpendicular to each other, and the auxiliary parts are arranged on the inclined swivel seat.

[0010] In some embodiments of the present invention, a horizontal telescopic rod is disposed on the horizontal swivel seat, and vertical swivel seats are disposed at both ends of the horizontal telescopic rod.

[0011] In some embodiments of the present invention, a rack is provided on the vertical slide, a driving gear meshing with the rack is provided on the horizontal frame, and a driving motor of the driving gear is electrically connected to the controller.

[0012] In some embodiments of the present invention, a ridge positioning plate is provided on the horizontal swivel seat, and the ridge positioning plate includes two limit plates; the two limit plates are inclined, and an inclined plate is provided therebetween; the inclined plate is hinged to the horizontal swivel seat.

[0013] In some embodiments of the present invention, the bed board is provided with a head placement hole and a shoulder positioning plate.

[0014] In some embodiments of the present invention, the auxiliary component includes a limiting nail tube, which is hollow.

[0015] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0016] The existing positioning of pedicle screws requires medical staff to determine the angle and depth of screw insertion one by one by comparing the patient's spinal perspective view, which requires high surgical experience and judgment ability of medical staff and consumes a lot of energy. The present invention provides an automatic planning pedicle screw auxiliary device, which includes a controller and a bed board, an equipment frame is arranged on the bed board, and the equipment frame includes a vertical frame arranged on both sides of the bed board, a vertical slide groove is arranged on the vertical frame, and a horizontal frame is arranged on the vertical slide groove; a horizontal slide groove is arranged on the horizontal frame, and a hinge seat is arranged on the horizontal slide groove; an auxiliary part is arranged on the hinge seat; a displacement sensor is arranged on the equipment frame, and the displacement sensor is electrically connected to the controller.

[0017] The present invention arranges vertical frames on both sides of the bed board, the vertical frames are provided with vertical slide grooves, and the vertical slide grooves are provided with horizontal frames, so that the auxiliary parts arranged on the hinged seats can be moved to the patient's spine as needed, and cooperate with the patient's spine perspective input controller so that it can be accurately moved to the required nailing position, assisting medical staff in positioning, and greatly reducing the work intensity of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a cross-sectional view of a vertical frame and a horizontal frame of an embodiment of the present invention;

[0020] Figure 2 It is a front view of the horizontal swivel seat according to an embodiment of the present invention;

[0021] Figure 3 It is a top view of the bed board according to an embodiment of the present invention.

[0022] Icons: 1. Bed board; 2. Head placement hole; 3. Shoulder positioning plate; 4. Vertical frame; 5. Horizontal frame; 6. Vertical slide; 7. Horizontal slide; 8. Horizontal slider; 9. Vertical telescopic rod; 10. Horizontal swivel seat; 11. Horizontal telescopic rod; 12. Vertical swivel seat; 13. Auxiliary parts; 14. Tilt swivel seat; 15. Limit plate; 16. Tilt plate; 17. Control telescopic rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example:

[0026] Please refer to Figure 1-3 The present embodiment provides an automatic planning pedicle screw auxiliary device, which includes a controller and a bed board 1. An equipment frame is arranged on the bed board 1. The equipment frame includes vertical frames 4 arranged on both sides of the bed board 1. Vertical slide grooves 6 are arranged on the vertical frames 4. Horizontal frames 5 are arranged on the vertical slide grooves 6; horizontal slide grooves 7 are arranged on the horizontal frames 5, and a hinge seat is arranged on the horizontal slide grooves 7; an auxiliary part 13 is arranged on the hinge seat; a displacement sensor is arranged on the equipment frame, and the displacement sensor is electrically connected to the controller.

[0027] The existing positioning of pedicle screws requires medical staff to determine the angle and depth of nailing one by one by comparing the patient's spine perspective view, which requires high surgical experience and judgment ability of medical staff and consumes a lot of energy. The present invention is provided with vertical frames 4 on both sides of the bed board 1, and the vertical frames 4 are provided with vertical slides 6, and the vertical slides 6 are provided with horizontal frames 5, so that the auxiliary member 13 provided on the hinge seat can be moved to the patient's spine position as needed, and cooperate with the patient's spine perspective input controller, so that it can be accurately moved to the required nailing position, assisting medical staff in positioning, and greatly reducing the work intensity of medical staff.

[0028] In some embodiments of the present invention, a horizontal slide block 8 is provided on the horizontal slide groove 7, and a vertical telescopic rod 9 is provided between the articulated seat and the horizontal slide block 8. The vertical telescopic rod 9 is provided so that the distance between the articulated seat and the patient's spine can be adjusted; it can be understood that the vertical telescopic rod 9 can be provided with a common electric telescopic rod structure on the market; preferably, the vertical telescopic rod 9 can be provided as a threaded telescopic rod.

[0029] In some embodiments of the present invention, the above-mentioned articulated seat includes a horizontal rotating seat 10 and a vertical rotating seat 12. The horizontal rotating seat 10 is arranged at the bottom of the horizontal slider 8, and the vertical rotating seat 12 is arranged on the horizontal rotating seat 10. The vertical rotating seat 12 is also provided with an inclined rotating seat 14; the rotation axis of the horizontal rotating seat 10 is perpendicular to the ground, and the rotation axes of the vertical rotating seat 12 and the inclined rotating seat 14 are parallel to the ground and perpendicular to each other, and the auxiliary member 13 is arranged on the inclined rotating seat 14. The arrangement of the horizontal rotating seat 10 and the vertical rotating seat 12 can facilitate the adjustment of the horizontal angle and vertical angle rotation of the auxiliary member 13 relative to the patient's spine, so as to accurately adjust the nailing direction; the inclined rotating seat 14 can adjust the angle between the two auxiliary members 13 to adapt to different parts of the spine. It can be understood that the horizontal rotating seat 10 and the vertical rotating seat 12 can be arranged to be controlled by a rotating motor, such as the horizontal slider 8 is provided with a horizontal rotating motor, and the horizontal rotating seat 10 is provided with a horizontal gear that meshes with the rotating gear on the output shaft of the horizontal rotating motor.

[0030] In some embodiments of the present invention, a horizontal telescopic rod 11 is provided on the horizontal swivel seat 10, and vertical swivel seats 12 are provided at both ends of the horizontal telescopic rod 11. The horizontal telescopic rod 11 is provided so that the spacing distance of the vertical swivel seats 12 provided at both ends of the horizontal telescopic rod 11 can be adjusted as needed.

[0031] In some embodiments of the present invention, a rack is provided on the vertical slide 6, a driving gear meshing with the rack is provided on the horizontal frame 5, and a driving motor of the driving gear is electrically connected to the controller. The rack meshes with the driving gear, so that the controller can accurately control the displacement distance of the horizontal frame 5 by controlling the number of rotations of the driving gear.

[0032] In some embodiments of the present invention, a ridge positioning plate is provided on the horizontal swivel seat 10, and the ridge positioning plate includes two limiting plates 15; the two limiting plates 15 are tilted, and an inclined plate 16 is provided between them; the inclined plate 16 is hinged to the horizontal swivel seat 10. The two inclined limiting plates 15 can position and limit the ridges of the spine from both sides, and assist the entire device in positioning the spine; the inclined plate 16 hinged to the horizontal swivel seat 10 can be adjusted according to the inclination of the ridges of different parts of the spine, and further assist in positioning and limiting the device. Furthermore, a control telescopic rod 17 is provided on the horizontal swivel seat 10 and connected to the inclined plate 16, and the inclination angle of the inclined plate 16 is controlled by its extension and retraction to adapt to different ridges of the spine.

[0033] In some embodiments of the present invention, the bed board 1 is provided with a head placement hole 2 and a shoulder positioning plate 3. The head placement hole 2 and the shoulder positioning plate 3 can well help the patient to limit and position on the bed board 1, and avoid the patient's displacement causing an error between the displacement position of the controller-controlled auxiliary component 13 and the spinal perspective view.

[0034] In some embodiments of the present invention, the auxiliary component 13 includes a position-limiting nail tube, which is hollow and can be used to limit the position of the pedicle screw and then drive the nail.

[0035] In summary, an embodiment of the present invention provides an automatic planning pedicle screw auxiliary device, which includes a controller and a bed board 1, and an equipment frame is arranged on the bed board 1, and the equipment frame includes a vertical frame 4 arranged on both sides of the bed board 1, and a vertical slide groove 6 is arranged on the vertical frame 4, and a horizontal frame 5 is arranged on the vertical slide groove 6; a horizontal slide groove 7 is arranged on the horizontal frame 5, and a hinge seat is arranged on the horizontal slide groove 7; an auxiliary component 13 is arranged on the hinge seat; and a displacement sensor is arranged on the equipment frame, and the displacement sensor is electrically connected to the controller. The present invention provides vertical frames 4 on both sides of the bed board 1, and vertical slide grooves 6 are arranged on the vertical frame 4, and a horizontal frame 5 is arranged on the vertical slide groove 6, so that the auxiliary component 13 arranged on the hinge seat can be moved to the patient's spine position as needed, and cooperates with the patient's spine perspective input controller so that it can be accurately moved to the required nailing position, assisting medical staff in positioning, and greatly reducing the work intensity of medical staff.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic planning pedicle screw auxiliary device, characterized in that: It includes a controller and a bed board, wherein an equipment frame is arranged on the bed board, and the equipment frame includes vertical frames arranged on both sides of the bed board, vertical slide grooves are arranged on the vertical frames, and horizontal frames are arranged on the vertical slide grooves; horizontal slide grooves are arranged on the horizontal frames, and hinge seats are arranged on the horizontal slide grooves; auxiliary parts are arranged on the hinge seats; a displacement sensor is arranged on the equipment frame, and the displacement sensor is electrically connected to the controller.

2. The automatic planning pedicle screw auxiliary device according to claim 1, characterized in that: A horizontal sliding block is arranged on the horizontal sliding groove, and a vertical telescopic rod is arranged between the hinge seat and the horizontal sliding block.

3. The automatic planning pedicle screw auxiliary device according to claim 2, characterized in that: The articulated seat includes a horizontal swivel seat and a vertical swivel seat, the horizontal swivel seat is arranged at the bottom of the horizontal slider, the vertical swivel seat is arranged on the horizontal swivel seat, and an inclined swivel seat is also arranged on the vertical swivel seat; the rotation axis of the horizontal swivel seat is perpendicular to the ground, the rotation axes of the vertical swivel seat and the inclined swivel seat are parallel to the ground and perpendicular to each other, and the auxiliary part is arranged on the inclined swivel seat.

4. The automatic planning pedicle screw auxiliary device according to claim 3, characterized in that: A horizontal telescopic rod is arranged on the horizontal rotating seat, and vertical rotating seats are arranged at both ends of the horizontal telescopic rod.

5. The automatic planning pedicle screw auxiliary device according to claim 4, characterized in that: The vertical slide is provided with a rack, the horizontal frame is provided with a driving gear meshing with the rack, and the driving motor of the driving gear is electrically connected to the controller.

6. The automatic planning pedicle screw auxiliary device according to claim 1, characterized in that: A ridge convex positioning plate is arranged on the horizontal rotating seat, and the ridge convex positioning plate includes two limiting plates; the two limiting plates are arranged obliquely, and an inclined plate is arranged between them; the inclined plate is hinged to the horizontal rotating seat.

7. The automatic planning pedicle screw auxiliary device according to claim 1, characterized in that: The bed board is provided with a head placement hole and a shoulder positioning plate.

8. The automatic planning pedicle screw auxiliary device according to claim 1, characterized in that: The auxiliary component comprises a limiting nail tube, and the limiting nail tube is hollow.

Images