Multifunctional neuroendoscopic arm

Abstract

The invention discloses a multifunctional neuroendoscope holding arm, which belongs to the technical field of cranial nerve surgery equipment, and comprises a support arm device, a front rotating rod, a serpentine rod and a rotating angle rod. The support arm device is a combination of a bent rod, a parallel hole locking ring, a vertical hole locking ring and a bed edge locking buckle. The bent rod is a round steel with a diameter of 14mm±1mm bent at an angle of 15°-80°. The parallel hole locking ring is a rectangular body with two through holes in the middle, each with a diameter of 14.5mm. A threaded hole is provided at a middle position perpendicular to the through hole, a bolt is installed in the threaded hole, and a handle is installed at the rear end of the bolt. The vertical hole locking ring is a rectangular body with two through holes in the middle, each with a threaded hole in the middle position perpendicular to the through hole, a bolt and a handle are installed in the threaded hole. The bed edge locking buckle is a right-angle type, a locking hook of a return hook is provided at the upper end, and a right-angle plate at the lower end is a bottom plate, a butterfly bolt connected by thread is provided on the bottom plate, and a connecting hole is provided at the side end of the bed edge locking buckle.

Description

Technical Field

[0001] The invention relates to a multifunctional neuroendoscope holding arm, belonging to the technical field of cranial nerve surgery equipment. Background Art

[0002] Existing brain tumor surgeries generally use an arm holder to fix the head frame according to the location of the lesion, and the patient is positioned on the operating table. After anesthesia, the head is fixed with the head frame. Clinically, the existing arm holder is prone to displacement and vibration after fixation. If other components are required, a separate connection device must be installed, which makes positioning difficult. Summary of the invention

[0003] The purpose of the present invention is to provide a multifunctional neuroendoscope holding arm, which can adjust the angle and length of the rod according to the needs of the operation, so that the neuroendoscope can be accurately positioned and the operation can be performed accurately.

[0004] The technical scheme adopted by the present invention is: a multifunctional neuroendoscope holding arm, including a support arm device, a front rotating rod, a serpentine rod and a corner rod, the support arm device is a combination of a bent rod, a parallel hole locking ring, a vertical hole locking ring, and a bed edge lock buckle, the bent rod is a round steel with a diameter of 14mm±1mm bent into an angle of 15°-80°, the parallel hole locking ring is a rectangular body, two through holes are respectively provided in the middle, the through hole diameter is 14.5mm, each middle position perpendicular to the through hole is provided with a threaded hole, a bolt is installed in the threaded hole on one side, a handle is installed at the rear end of the bolt, a bolt is installed in the threaded hole on the other side, a handle is installed at the rear end of the bolt; The straight hole lock ring is a rectangular body with two through holes in the middle, each of which is provided with a threaded hole in the middle position perpendicular to the through hole, a bolt is installed in the threaded hole on one side, and a handle is installed at the rear end of the bolt, and a bolt is installed in the threaded hole on the other side, and a handle is installed at the rear end of the bolt; the bed edge lock buckle is a right-angled type, with a lock hook of a return hook at the upper end, and a right-angle plate at the lower end is a bottom plate, and a butterfly bolt with threaded connection is provided on the bottom plate, a connecting hole is provided at the side end of the bed edge lock buckle, a bolt is provided at the side end of the connecting hole, and a handle is provided at the rear end of the bolt; the single-hole lock ring structure is as follows: the single-hole lock ring is a rectangular body with a through hole in the middle, a threaded hole is provided on one side perpendicular to the through hole, a bolt three is installed in the threaded hole, a handle three is installed at the rear end of the bolt three, a locking block is fixed on the other side of the through hole, a threaded hole is provided in the middle of the locking block, a clamping rod one is installed on the outside of the locking block, and a butterfly bolt two is screwed into the threaded hole in the locking block to fix the clamping rod one. The upper end of the clamping rod is provided with an opening, and a butterfly nut sleeve is installed on the opening; the second clamping rod is of flat type, and the lower end is provided with a circular through hole and the upper end is provided with a rectangular opening; the third clamping rod is of flat type, and the lower end is provided with a circular through hole and the upper end is provided with a hexagonal opening; the fourth clamping rod is of flat type, and the lower end is provided with a circular through hole and the upper end is provided with a semicircular opening; the structure of the front rotating rod is as follows: a ball socket is provided at the front end of the ball socket seat, a ball is provided in the middle of the ball socket, the ball slides and is restrained in the ball socket, a short rod is fixedly installed at the front end of the ball, and a joint is installed at the front end of the short rod; a connecting ring is provided at the rear end of the ball, the connecting ring is connected to a steel wire rope, and the other end of the steel wire rope is connected to a locking wheel; the rear end of the ball socket seat is fixedly connected to a long rod, the long rod is connected to the base, the base is a rectangular block, and a locking wheel is provided in the middle, the locking wheel is provided with a threaded shaft, the threaded shaft is threadedly connected to the positioning ring, and the shaft head of the locking wheel is connected to the handwheel; the bottom A connecting hole is provided on the other side of the seat, and a butterfly bolt is provided on the connecting hole; the serpentine rod base is cylindrical, and a locking wheel for locking the wire rope is provided inside, and a positioning handle is provided on the outside of the locking wheel, and a plug-in rod piece is provided at the lower end of the serpentine rod base, and an open plug-in plate is provided at the lower end of the plug-in rod piece; a cylindrical seat with a concave upper spherical shape is provided at the upper end of the serpentine rod base, a ball seat rod is provided at the upper end of the cylindrical seat, a raised hemispherical head is provided at the lower end of the ball seat rod, and an opening of 80-100° is provided at the lower end of the hemispherical head, and a through hole larger than the diameter of the wire rope is provided between the ball seat rod and the hemispherical head, a hemispherical head with a fixing ring is provided at the lower end of the clamp seat, and a front clamp is provided at the upper end of the clamp seat, one end of the wire rope is connected to the fixing ring, passes through several ball seat rods and hemispherical heads, and the other end is connected to the locking wheel in the serpentine rod base; a connecting platform is provided at the rear end of the corner rod seat, and a butterfly bolt is provided at the rear end of the connecting platform;A locking screw is arranged in the middle of the corner rod seat, and screw clamps with threads are arranged at both ends of the locking screw; a rotating ball seat is arranged at the front end of the corner rod seat, and a front rotating ball is arranged in the rotating ball seat. The front end of the front rotating ball is fixedly connected to a straight rod, and a positioning ball is arranged in the rear end of the front rotating ball. The rear end of the positioning ball is fixedly connected to the corner rod seat, and two arc-shaped clamps are arranged at the rear end of the front rotating ball. The connecting rod at the rear end of the arc-shaped clamping block is fixedly connected to the corner rod seat, and the locking screw passes through the middle of the connecting rod at the rear end of the arc-shaped clamping block, and the spiral clamping blocks are respectively clamped at the two ends of the connecting rod at the rear end of the arc-shaped clamping block; the structure of the corner rod two is: one end of the outer frame seat is fixedly connected to the single-hole seat, the single-hole seat is provided with a through hole, and a fastening bolt is installed perpendicular to the through hole; the outer frame seat is rectangular in shape, and the inside is a hollow circular ring, and a circular ring frame is provided inside, and a ball socket matching the second front-turning ball is provided at the front end of the ring frame, and the second front-turning ball is slidably installed in the ball socket, and the front end of the second front-turning ball is provided with a straight rod, and the rear end of the second front-turning ball is positioned. The rear end of the second positioning ball is provided with a push-pull shaft with a convex shaft, and the push-pull shaft is sleeved in the concave hole matching the push-pull shaft at the front end of the third butterfly bolt; an annular extrusion block is provided at the front end of the annular frame, and the front end of the extrusion block is pressed at the rear end of the second front-turning ball, and the middle of the rear end of the annular frame is slidably connected to the annular nut, and the annular nut is threadedly connected to the butterfly bolt three;

[0005] When the parallel hole locking ring and the vertical hole locking ring are connected to the bent rod, the through holes of the parallel hole locking ring and the vertical hole locking ring are inserted into the bent rod and the handle is rotated to drive the bolt to support the bent rod and fix it; the bed edge lock buckle is buckled on the bed edge angle steel, the locking hook is limited at the upper edge of the angle steel, the butterfly bolt is rotated to fix the locking hook on the bed edge angle steel, and the bent rod is inserted into the through hole of the bed edge lock buckle and is tightened and fixed by the handle two; the single-hole locking ring is sleeved on the bent rod, the handle three is tightened with the bolt three to fix it, the clamping rod one, the clamping rod two, the clamping rod three and the clamping rod four are installed as needed, and are fixed by the butterfly bolt two, and the clamping rod one, the clamping rod two, the clamping rod three and the clamping rod four can be rotated according to the actual use needs; the rear end of the front rotating rod is fixed on the bent rod by the connecting hole, and the ball at the rear end of the joint is rotated along the ball socket to the use angle, and is locked by the locking wheel through the wire rope one; the snake The insert rod piece at the lower end of the curved rod is inserted into the locking block of the single-hole locking ring and is fixed by the butterfly bolt 2. The ball seat rod can be bent and rotated to the required angle and then locked by the positioning handle, and the clamp on the front clamp can clamp the surgical instruments that need to be used; the connecting platform at the rear end of the corner rod is fixedly installed on the curved rod, and the straight rod 1 is rotated to drive the front rotating ball 1 to rotate in the rotating ball seat. After reaching the use angle, the locking screw is rotated to drive the two spiral clamping blocks to clamp the connecting rod at the rear end of the arc-shaped clamping block, and the front rotating ball 1 is squeezed and fixed by the arc clamping block; the single-hole seat of the corner rod 2 is fixedly connected to the curved rod, and the mirror device is installed on the straight rod 2. After rotating the straight rod 2 to any angle, the butterfly bolt 3 is tightened to rotate relative to the annular nut through the thread, driving the push-pull shaft and moving in the opposite direction of the annular frame, and the squeezing block at the front end of the annular frame squeezes the front rotating ball 2 for positioning.

[0006] The beneficial effects of the present invention are as follows: through the coordinated installation of the support arm device, the front rotating rod, the serpentine rod and the corner rod, the reasonable angles of the surgical instruments and the observation device are effectively determined, the lesion is determined through intuitive observation with a neuroendoscope, no bending rod vibration phenomenon occurs, precise surgery is performed according to the specific location of the lesion, the operation time is reduced, the surgical risk is reduced, and the equipment is easy and convenient to disinfect. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0008] Figure 1 The present invention is a schematic diagram of the structure of a curved rod of a multifunctional neuroendoscope holding arm.

[0009] Figure 2 The present invention is a schematic diagram of a vertical hole locking ring structure of a multifunctional neuroendoscope holding arm.

[0010] Figure 3 The present invention is a schematic diagram of a bedside locking structure of a multifunctional neuroendoscope holding arm.

[0011] Figure 4 The present invention is a schematic diagram of a single-hole locking ring structure of a multifunctional neuroendoscope holding arm.

[0012] Figure 5 The present invention is a schematic diagram of the structure of a multifunctional neuroendoscope holding arm clamp rod.

[0013] Figure 6 It is a schematic diagram of three structures of a clamping rod of a multifunctional neuroendoscope holding arm of the present invention.

[0014] Figure 7 The present invention is a schematic diagram of the structure of a multifunctional neuroendoscope holding arm clamp rod.

[0015] Figure 8 The present invention is a schematic diagram of the front rotating rod structure of a multifunctional neuroendoscope holding arm.

[0016] Fig. 9 The present invention is a schematic diagram of the structure of a serpentine rod of a multifunctional neuroendoscope holding arm.

[0017] Fig.10 The present invention is a schematic diagram of the structure of a rotating angle rod of a multifunctional neuroendoscope holding arm.

[0018] Fig.11 The present invention is a schematic diagram of the structure of a second corner rod of a multifunctional neuroendoscope holding arm.

[0019] In the figure, 1, bent rod, 2, parallel hole lock ring, 3, bolt 1, 4, handle 1, 5, bolt 2, 6, vertical hole lock ring, 7, handle 2, 8, bed edge lock buckle, 9, lock hook, 10, bottom plate, 11, butterfly bolt 1, 12, butterfly nut sleeve, 13, clamp rod 1, 14, butterfly bolt 2, 15, single hole lock ring, 16, handle 3, 17, bolt 3, 18, lock block, 19, clamp rod 2, 20, clamp rod 3, 21, clamp rod 4, 22, joint, 23, sphere, 24, connecting ring, 25, ball socket, 26, ball socket seat, 27, long rod, 28, wire rope 1, 29, lock wheel, 30, positioning ring, 31, bottom Seat, 32. Connecting hole, 33. Clamp seat, 34. Front clamp, 35. Hemispherical head, 36. Ball seat rod, 37. Wire rope two, 38. Snake rod base, 39. Rod insert, 40. Positioning handle, 41. Straight rod one, 42. Front swivel ball one, 43. Swivel ball seat, 44. Arc clamp block, 45. Screw clamp block, 46. Locking screw, 47. Positioning ball one, 48. Angle rod seat, 49. Connecting table, 50. Straight rod two, 51. Front swivel ball two, 52. Extrusion block, 53. Positioning ball two, 54. Ring frame, 55. Push-pull shaft, 56. Ring nut, 57. External frame seat, 58. Butterfly bolt three, 59. Single hole seat. DETAILED DESCRIPTION

[0020] A multifunctional neuroendoscopy holding arm comprises a support arm device, a front rotating rod, a snake rod and a corner rod, and the structure is as follows Figure 1-Figure 11As shown, the support arm device is a combination of a bent rod 1, a parallel hole lock ring 2, a vertical hole lock ring 6, and a bed edge lock buckle 8. The bent rod 1 is a round steel with a diameter of 14mm±1mm bent into an angle of 15°-80°. The parallel hole lock ring 2 is a rectangular body with two through holes in the middle, each with a diameter of 14.5mm, each threaded hole is provided in the middle position perpendicular to the through hole, a bolt 3 is installed in the threaded hole on one side, a handle 4 is installed at the rear end of the bolt 3, a bolt 2 is installed in the threaded hole on the other side, and a handle is installed at the rear end of the bolt 25; the vertical hole lock ring 6 is a rectangular body, with two through holes in the middle, each threaded hole is provided in the middle position perpendicular to the through hole, a bolt is installed in the threaded hole on one side, a handle is installed at the rear end of the bolt, and a bolt is installed in the threaded hole on the other side, and a handle is installed at the rear end of the bolt; the bed edge lock buckle 8 is a right-angle type, a lock hook 9 with a return hook is provided at the upper end, and the right-angle plate at the lower end is a bottom plate 10, a butterfly bolt 11 connected by thread is provided on the bottom plate 10, a connecting hole is provided at the side end of the bed edge lock buckle 8, a bolt is provided at the side end of the connecting hole, and a handle 2 is provided at the rear end of the bolt; the structure of the single-hole lock ring 15 is as follows: the single-hole lock ring 15 is a rectangular body, a through hole is provided in the middle, a threaded hole is provided on one side perpendicular to the through hole, a bolt 3 17 is installed in the threaded hole, A handle 3 16 is installed at the rear end of the bolt 3 17, and a locking block 18 is fixedly provided on the other side of the through hole. A threaded hole is provided in the middle of the locking block 18, and a clamping rod 13 is installed on the outer side of the locking block 18. A butterfly bolt 2 14 is screwed into the threaded hole in the locking block 18 to fix the clamping rod 13. An opening is provided at the upper end of the clamping rod 13, and a butterfly nut sleeve 12 is installed on the opening; the clamping rod 2 19 is a flat plate type, with a circular through hole at the lower end and a rectangular opening at the upper end; the clamping rod 3 20 is a flat plate type, with a circular through hole at the lower end and a hexagonal opening at the upper end; the clamping rod 4 21 is a flat plate type, with a circular through hole at the lower end and a semicircular opening at the upper end; the front rotating rod structure is: a ball socket 25 is provided at the front end of the ball socket seat 26, a ball 23 is provided in the middle of the ball socket 25, and the ball 23 is slidably restrained in In the ball socket 25, a short rod is fixedly installed at the front end of the ball 23, and a joint 22 is installed at the front end of the short rod; a connecting ring 24 is provided at the rear end of the ball 23, and the connecting ring 24 is connected to a wire rope 28, and the other end of the wire rope 28 is connected to a locking wheel 29; the rear end of the ball socket seat 26 is fixedly connected to a long rod 27, and the long rod 27 is connected to a base 31. The base 31 is a rectangular block, and a locking wheel 29 is provided in the middle. The locking wheel 29 is provided with a threaded shaft, and the threaded shaft is threadedly connected to a positioning ring 30. The shaft head of the locking wheel 29 is connected to the hand The other side of the base 31 is provided with a connecting hole 32, and a butterfly bolt is provided on the connecting hole; the serpentine rod base 38 is cylindrical, and a locking wheel for locking the wire rope is provided inside, and a positioning handle 40 is provided on the outer side of the locking wheel. The lower end of the serpentine rod base 38 is provided with a plug-in rod piece 39, and the lower end of the plug-in rod piece 39 is provided with an open plug-in plate; the upper end of the serpentine rod base 38 is provided with an upper concave spherical cylindrical seat, and a ball seat rod 36 is provided on the upper end of the cylindrical seat, and a convex hemispherical head 35 is provided at the lower end of the ball seat rod 36, and the hemispherical head 35 is provided at the lower end of the hemispherical head. The lower end of the head 35 is provided with an opening of 80-100 degrees, and a through hole larger than the diameter of the wire rope is provided between the ball seat rod 36 and the hemispherical head 35. The lower end of the clamp seat 33 is provided with a hemispherical head with a fixing ring, and the upper end of the clamp seat 33 is provided with a front clamp 34. One end of the wire rope 37 is connected to the fixing ring, passes through several ball seat rods 36 and hemispherical heads 35, and the other end is connected to the locking wheel in the snake rod base 38; the rear end of the corner rod seat 48 is provided with a connecting platform 49, and the rear end of the connecting platform 49 is provided with a butterfly bolt;.

[0021] A locking screw 46 is provided in the middle of the corner rod seat 48, and threaded spiral clamps 45 are installed at both ends of the locking screw 46; a rotating ball seat 43 is provided at the front end of the corner rod seat 48, and a front rotating ball 42 is provided in the rotating ball seat 43. The front end of the front rotating ball 42 is fixedly connected to the straight rod 41, and a positioning ball 47 is provided in the rear end of the front rotating ball 42. The rear end of the positioning ball 47 is fixedly connected to the corner rod seat 48, and two arc-shaped clamps 44 are provided at the rear end of the front rotating ball 42. The connecting rod at the rear end of the arc-shaped clamp 44 is fixedly connected to the corner rod seat 48, and the locking screw 46 passes through the middle of the connecting rod at the rear end of the arc-shaped clamp 44. The spiral clamps 45 are respectively clamped at both ends of the connecting rod at the rear end of the arc-shaped clamp 44;

[0022] The structure of the corner rod II is as follows: one end of the outer frame seat 57 is fixedly connected to the single-hole seat 59, and the single-hole seat 59 is provided with a through hole, and a fastening bolt is installed perpendicular to the through hole; the outer frame seat 57 is rectangular in shape, and is a hollow circular ring inside, and a circular ring frame 54 is provided inside. The front end of the ring frame 54 is provided with a ball socket that matches the front turning ball II 51, and the front turning ball II 51 is slidably installed in the ball socket, and the front end of the front turning ball II 51 is provided with a straight rod II 50, and the rear end of the front turning ball II 51 is positioned. The rear end of the positioning ball II 53 is provided with a push-pull shaft 55 with a convex shaft, and the push-pull shaft 55 is sleeved in the concave hole that matches the push-pull shaft 55 at the front end of the butterfly bolt III 58; the front end of the ring frame 54 is provided with an annular extrusion block 52, and the front end of the extrusion block 52 is pressed at the rear end of the front turning ball II 51, and the middle of the rear end of the ring frame 54 is slidably connected to the ring nut 56, and the ring nut 56 is threadedly connected to the butterfly bolt III 58;

[0023] When the parallel hole locking ring 2 and the vertical hole locking ring 6 are connected to the bent rod 1, the through holes of the parallel hole locking ring 2 and the vertical hole locking ring 6 are inserted into the bent rod 1 and the handle 4 is rotated to drive the bolt 3 to support the bent rod 1 and fix it; the bed edge lock buckle 8 is buckled on the bed edge angle steel, the lock hook 9 is limited at the upper edge of the angle steel, the butterfly bolt 11 is rotated to fix the lock hook 9 on the bed edge angle steel, and the bent rod 1 is inserted into the through hole of the bed edge lock buckle and tightened and fixed by the handle 2 7; the single hole locking ring 15 is inserted into the bent rod 1, and the handle The three 16 is fixed by tightening the bolt three 17, and the clamping rod one 13, the clamping rod two 19, the clamping rod three 20 and the clamping rod four 21 are installed as needed and fixed by the butterfly bolt two 14. The clamping rod one 13, the clamping rod two 19, the clamping rod three 20 and the clamping rod four 21 can be rotated according to the actual use needs; the rear end of the front rotating rod is fixed to the bending rod 1 by the connecting hole 32, and the ball 23 at the rear end of the joint 22 is rotated along the ball socket 25 to the use angle, and is locked by the locking wheel 29 through the wire rope one 28; the snake The inserting rod piece 39 at the lower end of the angular rod is inserted into the locking block 18 of the single-hole locking ring 15 and fixed by the butterfly bolt 14. The ball seat rod 36 can be bent and rotated to the required angle and then locked by the positioning handle 40. The clip on the front clip 34 can clamp the surgical equipment to be used; the connecting platform 49 at the rear end of the corner rod is fixedly installed on the curved rod 1, and the rotating straight rod 41 drives the front rotating ball 42 to rotate in the rotating ball seat 43. After reaching the use angle, the locking screw 46 rotates to drive the two A spiral clamp block 45 clamps the connecting rod at the rear end of the arc clamp block 44, and the arc clamp block 44 squeezes the front rotating ball 42 to fix it; the single-hole seat 59 of the corner rod 2 is fixedly connected to the bent rod 1, and the mirror device is installed on the straight rod 2 50. After rotating the straight rod 2 50 to any angle, tighten the butterfly bolt 3 58 and rotate relative to the ring nut 56 through the thread, driving the push-pull shaft 55 and moving in the opposite direction to the annular frame 54, and the squeezing block 52 at the front end of the annular frame 54 squeezes the front rotating ball 2 51 for positioning.

Claims

1. A multifunctional neuroendoscopic arm, characterized by: The invention comprises a support arm device, a front rotating rod, a serpentine rod and a corner rod. The support arm device is a combination of a bent rod (1), a parallel hole locking ring (2), a vertical hole locking ring (6) and a bed edge locking buckle (8). The bent rod (1) is a round steel with a diameter of 14 mm ± 1 mm bent into an angle of 15°-80°. The parallel hole locking ring (2) is a rectangular body with two through holes in the middle, each with a diameter of 14.5 mm. A threaded hole is provided at a middle position perpendicular to each through hole. A bolt (3) is installed in one threaded hole, and a handle (4) is installed at the rear end of the bolt (3). A bolt (5) is installed in the threaded hole on the other side, and a handle is installed at the rear end of the bolt (5). The vertical hole locking ring (6) is a rectangular body with two through holes in the middle. Two through holes are respectively provided, each having a threaded hole at a middle position perpendicular to the through hole, a bolt is installed in one threaded hole, and a handle is installed at the rear end of the bolt, and a bolt is installed in the other threaded hole, and a handle is installed at the rear end of the bolt; the bed edge lock buckle (8) is a right-angle type, with a lock hook (9) of a return hook at the upper end, and a right-angle plate at the lower end is a bottom plate (10), and a butterfly bolt (11) connected by thread is provided on the bottom plate (10), and a connecting hole is provided at the side end of the bed edge lock buckle (8), and a bolt is provided at the side end of the connecting hole, and a handle (7) is provided at the rear end of the bolt; the single-hole lock ring (15) has the following structure: the single-hole lock ring (15) is a rectangular body, with a through hole in the middle, a threaded hole is provided on one side perpendicular to the through hole, a bolt (17) is installed in the threaded hole, a handle (16) is installed at the rear end of the bolt (17), and a lock block (18) is fixed on the other side of the through hole, A threaded hole is provided in the middle of the locking block (18), and a clamping rod (13) is installed on the outer side of the locking block (18). A butterfly bolt (14) is screwed into the threaded hole in the locking block (18) to fix the clamping rod (13). An opening is provided at the upper end of the clamping rod (13), and a butterfly nut sleeve (12) is installed on the opening; the clamping rod (19) is a flat plate, and a circular through hole is provided at the lower end and a rectangular opening is provided at the upper end; the clamping rod (20) is a flat plate, and a circular through hole is provided at the lower end and a hexagonal opening is provided at the upper end; the clamping rod (21) is a flat plate, and a circular through hole is provided at the lower end and a semicircular opening is provided at the upper end; the front rotating rod structure is as follows: a ball socket (25) is provided at the front end of the ball socket seat (26), and a ball (23) is provided in the middle of the ball socket (25). The ball (23) The sliding restraint is in the ball socket (25), the front end of the ball (23) is fixedly provided with a short rod, the front end of the short rod is provided with a joint (22); the rear end of the ball (23) is provided with a connecting ring (24), the connecting ring (24) is connected to a steel wire rope (28), and the other end of the steel wire rope (28) is connected to a locking wheel (29); the rear end of the ball socket seat (26) is fixedly connected to a long rod (27), the long rod (27) is connected to a base (31), the base (31) is a rectangular block, the middle of which is provided with a locking wheel (29), the locking wheel (29) is provided with a threaded shaft, the threaded shaft is threadedly connected to a positioning ring (30), and the shaft head of the locking wheel (29) is connected to a hand wheel; the other side of the base (31) is provided with a connecting hole (32), and the connecting hole (32) is provided with a butterfly bolt;The serpentine rod base (38) is cylindrical, and is provided with a locking wheel for locking the wire rope. A positioning handle (40) is provided on the outer side of the locking wheel. The lower end of the serpentine rod base (38) is provided with a plug-in rod piece (39), and the lower end of the plug-in rod piece (39) is provided with an open plug-in plate; the upper end of the serpentine rod base (38) is provided with an upper concave spherical cylindrical seat, and a ball seat rod (36) is provided on the upper end of the cylindrical seat. The lower end of the ball seat rod (36) is provided with a raised hemispherical head (35), and the lower end of the hemispherical head (35) is provided with a 80-100 ° opening, a through hole larger than the diameter of the wire rope is provided between the ball seat rod 36 and the hemispherical head (35), a hemispherical head with a fixing ring is provided at the lower end of the clamp seat (33), a front clamp (34) is provided at the upper end of the clamp seat (33), one end of the wire rope (37) is connected to the fixing ring, passes through several ball seat rods 36 and the hemispherical head 35, and the other end is connected to the locking wheel in the snake rod base (38); a connecting platform (49) is provided at the rear end of the corner rod seat (48), and a butterfly bolt is provided at the rear end of the connecting platform (49); A locking screw (46) is provided in the middle of the corner rod seat (48), and screw clamps (45) with threads are installed at both ends of the locking screw (46); a rotating ball seat (43) is provided at the front end of the corner rod seat (48), and a front rotating ball (42) is provided in the rotating ball seat (43); the front end of the front rotating ball (42) is fixedly connected to the straight rod (41), and a positioning ball (47) is provided in the rear end of the front rotating ball (42), and the rear end of the positioning ball (47) is fixedly connected to the corner rod seat (48); two arc-shaped clamps (44) are provided at the rear end of the front rotating ball (42), and the connecting rod at the rear end of the arc-shaped clamp (44) is fixedly connected to the corner rod seat (48); the locking screw (46) passes through the middle of the connecting rod at the rear end of the arc-shaped clamp (44), and the screw clamps (45) are respectively clamped at both ends of the connecting rod at the rear end of the arc-shaped clamp (44); The structure of the second corner rod is as follows: one end of the outer frame seat (57) is fixedly connected to the single hole seat (59), the single hole seat (59) is provided with a through hole, and a fastening bolt is installed perpendicular to the through hole; the outer frame seat (57) is rectangular in shape, and the inside is a hollow circular ring, and a circular ring frame (54) is provided inside, and the front end of the ring frame (54) is provided with a ball socket matched with the second front rotating ball (51), and the second front rotating ball (51) is slidably installed in the ball socket, and the front end of the second front rotating ball (51) is provided with a straight rod (50), and the rear end of the second front rotating ball (51) is provided with a straight rod (50). A second positioning ball (53) is provided at the rear end of the second positioning ball (53) with a push-pull shaft (55) with a convex shaft, and the push-pull shaft (55) is sleeved in a concave hole at the front end of the butterfly bolt (58) and matched with the push-pull shaft (55); a front end of the annular frame (54) is provided with an annular extrusion block (52), and the front end of the extrusion block (52) is pressed low at the rear end of the second front rotating ball (51), and the middle of the rear end of the annular frame (54) is slidably connected to a ring nut (56), and the ring nut (56) is threadedly connected to the butterfly bolt (58); When the parallel hole lock ring (2) and the vertical hole lock ring (6) are connected to the bent rod (1), the through holes of the parallel hole lock ring (2) and the vertical hole lock ring (6) are inserted into the bent rod (1), and the handle one (4) is rotated to drive the bolt one (3) to support the bent rod (1) and fix it; the bed edge lock buckle (8) is buckled on the bed edge angle steel, the lock hook (9) is limited at the upper edge of the angle steel, and the butterfly bolt one (11) is rotated to fix the lock hook (9) on the bed edge angle steel, and the bent rod (1) is inserted into the through hole of the bed edge lock buckle and is tightened and fixed by the handle two (7); the single hole lock ring (15) is inserted into the bent rod (1), The handle three (16) is tightened with the bolt three (17) to fix it. The clamping rod one (13), the clamping rod two (19), the clamping rod three (20) and the clamping rod four (21) are installed as needed and fixed by the butterfly bolt two (14). The clamping rod one (13), the clamping rod two (19), the clamping rod three (20) and the clamping rod four (21) can be rotated according to the actual use needs. The rear end of the front rotating rod is fixed to the bending rod (1) by the connecting hole (32). The ball (23) at the rear end of the joint (22) is rotated along the ball socket (25) to the use angle, and is locked by the locking wheel (29) through the wire rope one (28). ) is locked; the insert rod piece (39) at the lower end of the snake-shaped rod is inserted into the locking block (18) of the single-hole locking ring (15) and fixed by the butterfly bolt (14); the ball seat rod (36) can be bent and rotated to a required angle and then locked by the positioning handle (40); the clip on the front clip (34) can clamp the surgical equipment to be used; the connecting platform (49) at the rear end of the corner rod is fixedly installed on the bent rod (1), and the straight rod (41) is rotated to drive the front rotating ball (42) to rotate in the rotating ball seat (43). After reaching the use angle, the locking screw (46) is rotated to drive Two spiral clamps (45) clamp the connecting rod at the rear end of the arc clamp (44), and the arc clamp (44) squeezes the front rotating ball (42) to fix it; the single hole seat (59) of the corner rod (2) is fixedly connected to the curved rod (1), and the mirror device is installed on the straight rod (2) (50). After the straight rod (2) (50) is rotated to any angle, the butterfly bolt (3) (58) is tightened to rotate relative to the ring nut (56) through the thread, driving the push-pull shaft (55) and moving in the opposite direction to the annular frame (54), and the squeezing block (52) at the front end of the annular frame (54) squeezes the front rotating ball (2) (51) to position it.

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