CN214966477U

CN214966477U - Pen type spinal column guide rod capable of assisting positioning

Info

Publication number: CN214966477U
Application number: CN202120343868.7U
Authority: CN
Inventors: 高均宏; 金晓莉
Original assignee: Haiyan Peoples Hospital
Current assignee: Haiyan Peoples Hospital
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-03
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a pen type spine guide bar capable of assisting positioning, which comprises an adjustable clamping seat, a mounting groove, a first bearing, a stand column, a sliding chute, a slide block, a second bearing, an adjusting bolt, a first screw hole, an external screw thread part, an internal thread sleeve, an antiskid block, a mounting square hole, a square column, a second screw hole, a fastening bolt, a clamp, a guide bar, a clamping groove, a guide head and a guide pin hole, wherein the adjustable clamping seat is designed in a C shape, the adjustable clamping seat comprises an upper clamping seat, a lower clamping seat, a limiting hole, a limiting rod and a tension spring, the upper clamping seat and the lower clamping seat are designed in a right angle shape, the upper clamping seat and the lower clamping seat are symmetrically arranged by taking a horizontal line as a symmetrical axis, the central position of the bottom of the vertical part of the upper clamping seat is provided with the vertically arranged limiting hole, compared with the prior art, the damage of a patient can be reduced, the patient is prevented from receiving rays for many times, the operation is simple and the positioning is accurate, brings convenience for minimally invasive treatment of the spine.

Description

Pen type spinal column guide rod capable of assisting positioning

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of medical equipment, in particular to a pen type spinal guide rod capable of assisting positioning.

[ background of the invention ]

At present, the life quality and the medical level are improved, the average life of people is prolonged, the trend of aging population comes, the osteoporotic fracture of the spine is more and more, and the clinical patients of the spine fracture are relatively increased due to other occupational spine diseases and reasons in the aspects of traffic and construction. Unlike other parts, the spinal disorders are relatively high in the level of surgical skill and the manner in which the surgery is performed due to the particularity of the spinal components. The application of the existing small incision surgery is mature, the internal fixation of the pedicle screw needing windowing in the past can also adopt minimally invasive pedicle screw fixation, and also adopts the current popular vertebroplasty, but the minimally invasive positioning requirement of the spine is relatively high, the difficulty is high, after the positioning guide pin is driven in, whether the ideal position is reached by radiation inspection is needed, if the ideal position is not reached, the guide pin is driven again to be positioned, the method of blind hitting through an experience type is adopted at ordinary times, the continuous adjustment is not satisfied, the labor is consumed, and the injury of a patient is increased, so that a pen type spine guide rod capable of assisting in positioning is needed to be provided to overcome the problems.

[ Utility model ] content

The utility model aims at solving the problems in the prior art and providing a pen type spine guide rod capable of assisting positioning.

In order to achieve the above purpose, the utility model provides a pen type spinal column guide bar capable of assisting positioning, which comprises an adjustable clamping seat, a mounting groove, a first bearing, a vertical column, a sliding groove, a sliding block, a second bearing, an adjusting bolt, a first screw hole, an external thread part, an internal thread sleeve, an anti-slip block, a mounting square hole, a square column, a second screw hole, a fastening bolt, a clamp, a guide bar, a clamping groove, a guide head and a guide pin hole, wherein the adjustable clamping seat is in a C-shaped design, the adjustable clamping seat comprises an upper clamping seat, a lower clamping seat, a limiting hole, a limiting rod and a tension spring, the upper clamping seat and the lower clamping seat are in a right angle design, the upper clamping seat and the lower clamping seat are symmetrically arranged by taking a horizontal line as a symmetry axis, the central position of the bottom of the vertical part of the upper clamping seat is provided with the vertically arranged limiting hole, the central position of the upper part of the vertical part of the lower clamping seat is fixedly provided with the vertically arranged limiting rod, the limiting rod is inserted into the limiting hole, the limiting rod is in axial sliding fit with the limiting hole, two vertically arranged tension springs are arranged at the two sides of the limiting hole at the bottom of the vertical part of the upper clamping seat, the upper ends of the tension springs are fixedly connected with the bottom of the vertical part of the upper clamping seat, the lower ends of the tension springs are fixedly connected with the upper part of the vertical part of the lower clamping seat, a mounting groove is formed in the central position of the upper part of the upper clamping seat, a horizontally arranged first bearing is fixedly arranged in the mounting groove, a vertically arranged upright post is fixedly arranged on the inner side of the inner ring of the first bearing, a vertically arranged chute is formed in the side part of the upright post, the upper end of the chute is communicated with the upper end of the upright post, a horizontally arranged sliding block is arranged in the chute, the sliding block is in vertical sliding fit with the chute, and a horizontally arranged second bearing is fixedly arranged on the inner side of the chute, an adjusting bolt vertically arranged is fixedly arranged on the inner side of the inner ring of the second bearing, a first screw hole vertically penetrating through the sliding block is formed in the upper portion of the sliding block, the adjusting bolt is in threaded connection with the first screw hole, an external thread portion is formed in the lower portion of the outer side of the upright post, an internal thread sleeve is sleeved on the outer side of the upright post, the inner wall of the internal thread sleeve is in threaded connection with the external thread portion, an annular anti-skidding block is fixedly arranged at the lower end of the internal thread sleeve, the anti-skidding block is sleeved on the outer side of the upright post and is coaxially arranged with the internal thread sleeve, the anti-skidding block is positioned right above the outer ring of the first bearing, an installation square hole coaxially arranged with the sliding block is formed in one end of the sliding block, a square column is inserted in the installation square hole and is in axial sliding fit with the installation square hole, and a second screw hole communicated with the installation square hole is formed in the upper portion of one end of the sliding block, which is far away from the sliding groove, second screw threaded connection has fastening bolt, the fixed clip that is equipped with in outer end of square column, the clamp has the guide bar of vertical setting in the clip, the guide bar is cylindrical design, annular draw-in groove has been seted up to the side portion of going up of guide bar, the clip presss from both sides in the draw-in groove, the lower extreme integral type of guide bar is equipped with conical direction head, direction head and the coaxial setting of guide bar, a plurality of evenly distributed's guide pin hole has been seted up to the upper end of guide bar, guide pin hole runs through guide bar and direction head in proper order, the axis in guide pin hole is parallel with the axis of guide bar.

Preferably, the guide rod has a diameter of 15 mm.

Preferably, the diameter of the central ring of the anti-skid block is the same as that of the central ring of the outer ring of the first bearing, and anti-skid threads are arranged on the bottom of the anti-skid block and the upper part of the outer ring of the first bearing.

Preferably, the aperture of the guide pin hole is 1.5 mm.

Preferably, the cross sections of the limiting hole and the limiting rod are square.

Preferably, the guide rod and the guide head are both made of light-permeable and high-temperature-resistant materials.

The utility model has the advantages that: the utility model discloses a stand is connected with adjustable holder through first bearing is rotated, can realize rotating the stand, conveniently adjust the position of guide bar, establish in the second bearing through mediating bolt fixed, mediate bolt and first screw thread fit, so can realize the lift of the height of slider when rotating adjusting bolt, conveniently adjust the position of guide bar, square column and installation square hole axial sliding fit, can conveniently adjust the position of guide bar, through threaded connection has the internal thread sleeve pipe in the stand outside, be equipped with the non slipping spur in the internal thread sleeve pipe lower extreme, when the bottom of non slipping spur was supported with the upper portion of the outer lane of first bearing, just can prevent the stand free rotation, when the bottom of non slipping spur separates with the upper portion of the outer lane of first bearing, the stand just can free rotation, conveniently fix the guide bar, compared with the prior art, the minimally invasive spinal column treatment device can reduce the injury of a patient, avoid the patient from receiving rays for many times, is simple and convenient to operate, is accurate in positioning, and brings convenience for minimally invasive spinal column treatment.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a pen-type spine guiding rod capable of assisting positioning according to the present invention.

In the figure: 1-adjustable clamp seat, 101-upper clamp seat, 102-lower clamp seat, 103-limiting hole, 104-limiting rod, 105-tension spring, 2-mounting groove, 3-first bearing, 4-upright post, 5-sliding groove, 6-sliding block, 7-second bearing, 8-adjusting bolt, 9-first screw hole, 10-external screw thread part, 11-internal screw thread sleeve, 12-anti-slip block, 13-mounting square hole, 14-square column, 15-second screw hole, 16-fastening bolt, 17-clamp, 18-guide rod, 19-clamping groove, 20-guide head and 21-guide pin hole.

[ detailed description ] embodiments

Referring to fig. 1, the utility model relates to a pen type spine guide bar capable of assisting positioning, which comprises an adjustable clamping seat 1, a mounting groove 2, a first bearing 3, a column 4, a sliding groove 5, a sliding block 6, a second bearing 7, an adjusting bolt 8, a first screw hole 9, an external thread part 10, an internal thread sleeve 11, an anti-slip block 12, a mounting square hole 13, a square column 14, a second screw hole 15, a fastening bolt 16, a clamp 17, a guide bar 18, a clamping groove 19, a guide head 20 and a guide pin hole 21, wherein the adjustable clamping seat 1 is designed in a C shape, the adjustable clamping seat 1 comprises an upper clamping seat 101, a lower clamping seat 102, a limiting hole 103, a limiting rod 104 and a tension spring 105, the upper clamping seat 101 and the lower clamping seat 102 are designed in a right angle shape, the upper clamping seat 101 and the lower clamping seat 102 are symmetrically arranged by taking a horizontal line as a symmetry axis, the central position of the bottom of the vertical part of the upper clamping seat 101 is provided with a vertically arranged limiting hole 103, a vertically arranged limiting rod 104 is fixedly arranged at the central position of the upper part of the vertical part of the lower clamping seat 102, the limiting rod 104 is inserted in a limiting hole 103, the limiting rod 104 is in axial sliding fit with the limiting hole 103, two vertically arranged tension springs 105 are arranged at the two sides of the limiting hole 103 at the bottom of the vertical part of the upper clamping seat 101, the upper ends of the tension springs 105 are fixedly connected with the bottom of the vertical part of the upper clamping seat 101, the lower ends of the tension springs 105 are fixedly connected with the upper part of the vertical part of the lower clamping seat 102, a mounting groove 2 is arranged at the central position of the upper part of the upper clamping seat 101, a horizontally arranged first bearing 3 is fixedly arranged in the mounting groove 2, a vertically arranged upright post 4 is fixedly arranged at the inner side of the inner ring of the first bearing 3, a vertically arranged chute 5 is arranged at the side part of the upright post 4, and the upper end of the chute 5 is communicated with the upper end of the upright post 4, a horizontally arranged sliding block 6 is arranged in the sliding groove 5, the sliding block 6 is vertically matched with the sliding groove 5 in a sliding manner, a horizontally arranged second bearing 7 is fixedly arranged on the inner side of the upper end of the sliding groove 5, a vertically arranged adjusting bolt 8 is fixedly arranged on the inner side of the inner ring of the second bearing 7, a first screw hole 9 vertically penetrating through the sliding block 6 is formed in the upper portion of the sliding block 6, the adjusting bolt 8 is in threaded connection with the first screw hole 9, an external thread portion 10 is formed in the lower portion of the outer side of the upright post 4, an internal thread sleeve 11 is sleeved on the outer side of the upright post 4, the inner wall of the internal thread sleeve 11 is in threaded connection with the external thread portion 10, an annular anti-skid block 12 is fixedly arranged at the lower end of the internal thread sleeve 11, the anti-skid block 12 is sleeved on the outer side of the upright post 4, the anti-skid block 12 and the internal thread sleeve 11 are coaxially arranged, and the anti-skid block 12 is positioned right above the outer ring of the first bearing 3, an installation square hole 13 which is coaxial with the sliding block 6 is formed in one end, away from the sliding groove 5, of the sliding block 6, a square column 14 is inserted into the installation square hole 13, the square column 14 is in axial sliding fit with the installation square hole 13, a second screw hole 15 which is communicated with the installation square hole 13 is formed in the upper portion of one end, away from the sliding groove 5, of the sliding block 6, a fastening bolt 16 is connected with the second screw hole 15 in an internal thread mode, a clamp 17 is fixedly arranged at the outer end of the square column 14, a vertically arranged guide rod 18 is clamped in the clamp 17, the guide rod 18 is of a cylindrical design, an annular clamping groove 19 is formed in the upper side portion of the guide rod 18, the clamp 17 is clamped in the clamping groove 19, a conical guide head 20 is integrally arranged at the lower end of the guide rod 18, the guide head 20 and the guide rod 18 are coaxial, and a plurality of guide pin holes 21 which are uniformly distributed are formed in the upper end of the guide rod 18, the anti-skidding structure is characterized in that the guide pin hole 21 sequentially penetrates through the guide rod 18 and the guide head 20, the axis of the guide pin hole 21 is parallel to the axis of the guide rod 18, the diameter of the guide rod 18 is 15mm, the diameter of a center ring of the anti-skidding block 12 is the same as that of a center ring of an outer ring of the first bearing 3, anti-skidding threads are arranged on the bottom of the anti-skidding block 12 and the upper portion of the outer ring of the first bearing 3, the aperture of the guide pin hole 21 is 1.5mm, the cross sections of the limiting hole 103 and the limiting rod 104 are square, and the guide rod 18 and the guide head 20 are made of light-permeable and high-temperature-resistant materials.

The utility model discloses the working process: the upper clamping seat 101 is pulled upwards, the lower clamping seat 102 is pulled downwards, the limiting rod 104 extends out of the limiting hole 103, the tension spring 105 is lengthened, then the transverse part of the upper clamping seat 101 is matched with the transverse part of the lower clamping seat 102 to clamp the bed edge of the operating bed, under the action of the tension force of the tension spring 105, the limiting rod 104 is inserted into the limiting hole 103, the upper clamping seat 101 and the lower clamping seat 102 clamp the bed edge of the operating bed, when the tension spring 105 is pulled to the maximum length, the upper end of the limiting rod 104 is still positioned in the limiting hole 103, the limiting rod 104 cannot be separated from the limiting hole 103, then the upright post 4 is rotated to enable the outer end of the square post 14 to face the operating part, then the internal thread sleeve 11 is rotated clockwise, because the inner wall of the internal thread sleeve 11 is in threaded connection with the external thread part 10, the internal thread sleeve 11 is rotated and descended along the upright post 4, and the lower part of the anti-skid block 12 is abutted to the upper part of the outer ring of the first bearing 3, so that the upright post 4 can not rotate freely, then the sliding square column 14 makes the guide rod 18 be positioned right above the operation position, then the fastening bolt 16 is screwed, because the fastening bolt 16 is in threaded fit with the second screw hole 15, the drilling end of the fastening bolt 16 tightly pushes the square column 14, so that the square column 14 can not slide freely in the installation square hole 13, then the adjusting bolt 8 is rotated, because the adjusting bolt 8 is in threaded fit with the first screw hole 9 on the slide block 6, when the adjusting bolt 8 is rotated clockwise, the slide block 6 moves downwards slowly in the slide groove 5, so that the guide rod 18 also moves downwards and enters into the body of a patient, after the first guide pin in the operation is placed, the first guide pin is placed into one of the guide pin holes 21 according to the radiation inspection result, the second guide pin is placed into the guide pin hole 21 according to the position and distance, compared with the prior art, the injury of a patient can be reduced, the patient is prevented from receiving rays for many times, the operation is simple and convenient, the positioning is accurate, and the convenience is brought to the minimally invasive treatment of the spine.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A pen type spinal column guide rod capable of assisting positioning is characterized in that: comprises an adjustable clamping seat (1), a mounting groove (2), a first bearing (3), a stand column (4), a sliding groove (5), a sliding block (6), a second bearing (7), an adjusting bolt (8), a first screw hole (9), an external thread part (10), an internal thread sleeve (11), an anti-skidding block (12), a mounting square hole (13), a square column (14), a second screw hole (15), a fastening bolt (16), a clamp (17), a guide rod (18), a clamping groove (19), a guide head (20) and a guide pin hole (21), wherein the adjustable clamping seat (1) is designed in a C shape, the adjustable clamping seat (1) comprises an upper clamping seat (101), a lower clamping seat (102), a limiting hole (103), a limiting rod (104) and a tension spring (105), the upper clamping seat (101) and the lower clamping seat (102) are designed in a right-angle shape, and the upper clamping seat (101) and the lower clamping seat (102) are symmetrically arranged by taking a horizontal line as a symmetric axis, the center position of the bottom of the vertical part of the upper clamping seat (101) is provided with a vertically arranged limiting hole (103), the center position of the upper part of the vertical part of the lower clamping seat (102) is fixedly provided with a vertically arranged limiting rod (104), the limiting rod (104) is inserted in the limiting hole (103), the limiting rod (104) is in axial sliding fit with the limiting hole (103), two vertically arranged tension springs (105) are arranged at the two sides of the limiting hole (103) at the bottom of the vertical part of the upper clamping seat (101), the upper ends of the tension springs (105) are fixedly connected with the bottom of the vertical part of the upper clamping seat (101), the lower ends of the tension springs (105) are fixedly connected with the upper part of the vertical part of the lower clamping seat (102), the center position of the upper part of the upper clamping seat (101) is provided with a mounting groove (2), and a horizontally arranged first bearing (3) is fixedly arranged in the mounting groove (2), the inner side of the inner ring of the first bearing (3) is fixedly provided with a vertically arranged upright post (4), the side part of the upright post (4) is provided with a vertically arranged chute (5), the upper end of the chute (5) is communicated with the upper end of the upright post (4), a horizontally arranged sliding block (6) is arranged in the chute (5), the sliding block (6) is in vertical sliding fit with the chute (5), the inner side of the upper end of the chute (5) is fixedly provided with a horizontally arranged second bearing (7), the inner side of the inner ring of the second bearing (7) is fixedly provided with a vertically arranged adjusting bolt (8), the upper part of the sliding block (6) is provided with a first screw hole (9) which vertically penetrates through the sliding block (6), the adjusting bolt (8) is in threaded connection with the first screw hole (9), the lower part of the outer side of the upright post (4) is provided with an external thread part (10), the outer side of the upright post (4) is sleeved with an internal thread sleeve (11), the inner wall of the internal thread sleeve (11) is in threaded connection with the external thread part (10), an annular anti-slip block (12) is fixedly arranged at the lower end of the internal thread sleeve (11), the anti-slip block (12) is sleeved on the outer side of the stand column (4), the anti-slip block (12) and the internal thread sleeve (11) are coaxially arranged, the anti-slip block (12) is positioned right above the outer ring of the first bearing (3), an installation square hole (13) which is coaxially arranged with the slider (6) is formed in one end, deviating from the sliding groove (5), of the slider (6), a square column (14) is inserted into the installation square hole (13), the square column (14) is in axial sliding fit with the installation square hole (13), a second screw hole (15) which is communicated with the installation square hole (13) is formed in the upper part of one end, deviating from the sliding groove (5), of the slider (6), and a fastening bolt (16) is in threaded connection with the second screw hole (15), the fixed clip (17) that is equipped with in outer end of square column (14), the guide bar (18) of vertical setting are held to clamp in clip (17), guide bar (18) are cylindrical design, annular draw-in groove (19) have been seted up to the side portion of going up of guide bar (18), clip (17) clamp is in draw-in groove (19), the lower extreme integral type of guide bar (18) is equipped with conical direction head (20), direction head (20) and the coaxial setting of guide bar (18), a plurality of evenly distributed's guide pin hole (21) have been seted up to the upper end of guide bar (18), guide pin hole (21) run through guide bar (18) and direction head (20) in proper order, the axis of guide pin hole (21) is parallel with the axis of guide bar (18).

2. A pen-type spinal guide rod for aiding in positioning as claimed in claim 1, wherein: the diameter of the guide rod (18) is 15 mm.

3. A pen-type spinal guide rod for aiding in positioning as claimed in claim 1, wherein: the diameter of the central ring of the anti-skid block (12) is the same as that of the central ring of the outer ring of the first bearing (3), and anti-skid grains are arranged at the bottom of the anti-skid block (12) and the upper part of the outer ring of the first bearing (3).

4. A pen-type spinal guide rod for aiding in positioning as claimed in claim 1, wherein: the aperture of the guide pin hole (21) is 1.5 mm.

5. A pen-type spinal guide rod for aiding in positioning as claimed in claim 1, wherein: the cross sections of the limiting hole (103) and the limiting rod (104) are square.

6. An assistable pen-type spinal guide rod as defined in any one of claims 1 to 5, wherein: the guide rod (18) and the guide head (20) are both made of light-permeable and high-temperature-resistant materials.