CN216754512U

CN216754512U - Novel vertebral plate drag hook

Info

Publication number: CN216754512U
Application number: CN202121322501.3U
Authority: CN
Inventors: 蔡迎峰; 周剑鹏; 周沛
Original assignee: Affiliated Hospital Of Traditional Chinese Medicine Of Guangzhou Medical University
Current assignee: Affiliated Hospital Of Traditional Chinese Medicine Of Guangzhou Medical University
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-06-17
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a novel vertebral plate drag hook, which comprises an L-shaped drag hook plate and a connecting column, wherein the lower end of the L-shaped drag hook plate is provided with a fork-shaped sharp tooth end, one end of the L-shaped drag hook plate, which is far away from the fork-shaped sharp tooth end, is provided with a handheld part, and the upper end of a vertical plate of the L-shaped drag hook plate is also provided with a threaded hole; one end of the connecting column is provided with a thread, the connecting column is connected in the threaded hole through the thread, the other end of the connecting column is provided with a ring groove, and a lighting assembly for providing lighting is arranged on the connecting column; when the retractor is used in an operation, the retractor is arranged at the joint of the transverse process and the vertebral plate, so that physiological marks can be provided, the pedicle screws can be conveniently placed, and the deviation of the positions of the implanted screws can be avoided; simultaneously can effectively catch on transverse process basilar part soft tissue and fix it through fork form point tooth end, fork form point tooth end can disperse to prize and dial stress, avoids violently prizing with strength and collapses transverse process and vertebral plate, increases the art and bleed.

Description

Novel vertebral plate drag hook

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a novel vertebral plate drag hook.

Background

Lumbar spinal canal stenosis is a common disease of spinal surgery, the life quality of old patients is seriously reduced, and when the clinical conservative treatment effect is not good, the treatment needs to be performed, if the operation treatment is improper, serious complications are often left, and the patients are suffered from pain. At present, the spine surgery is developed in the direction of precision and micro-invasion, the micro-invasive surgery and the rapid rehabilitation become trends, the precision of the spine surgery technology brings great benefits to patients, but the advanced surgery concept also needs to be matched with surgical instruments when hands are used.

In the operation, the pedicle screws need to be accurately screwed into the vertebral body, and because the soft tissue at the rear side of the vertebral body is rich, the incision is required to be smaller and smaller along with the pursuit of people for minimally invasive technology, so that the soft tissue needs to be retracted in the process of screwing the pedicle screws so as to expose the tissue. Otherwise, the improper positioning of the pedicle screws can cause serious damage to the soft incision tissue due to unclear exposure, and the spine postoperative failure syndrome is generated.

At present, the vertebral plate drag hook is clinically adopted to realize soft tissue retraction and implant a vertebral body screw, but the traditional vertebral plate drag hook is only responsible for retracting the soft tissue and can not guide and position the vertebral body screw, so that the position of the implanted nail is easy to cause deviation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel vertebral plate drag hook to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a novel vertebral plate drag hook comprises an L-shaped drag hook plate and a connecting column, wherein a fork-shaped sharp tooth end is arranged at the lower end of the L-shaped drag hook plate, a handheld part is arranged at one end, away from the fork-shaped sharp tooth end, of the L-shaped drag hook plate, and a threaded hole is further formed in the upper end position of a vertical plate of the L-shaped drag hook plate;

the utility model discloses a lighting device, including spliced pole, annular groove, spliced pole one end is equipped with the screw thread, and the spliced pole passes through threaded connection in the screwed hole, the annular has been seted up to the spliced pole other end, be equipped with the lighting components who is used for providing the illumination on the spliced pole.

As a further scheme of the utility model: the lighting assembly comprises a cylindrical block, a circular groove is formed in one side of the cylindrical block, at least six limiting grooves are formed in the inner wall of the circular groove, raised heads are connected to the limiting grooves in a sliding mode, springs are mounted between the end faces of the inner portions of the limiting grooves and the raised heads, the cylindrical block is clamped on a circular groove in the connecting column through the raised heads, and a light source assembly is further arranged on the cylindrical block.

As a still further scheme of the utility model: the light source assembly comprises a lighting lamp, the lighting lamp is installed at the lower end of the cylindrical block, a power supply connector is arranged at the upper end of the cylindrical block, a switch is arranged on one side, away from the circular groove, of the cylindrical block, and the switch, the power supply connector and the lighting lamp are electrically connected.

As a still further scheme of the utility model: the illuminating lamp consists of three LED lamps.

As a still further scheme of the utility model: the angle between the fork-shaped tine end and the L-shaped drag hook plate is 15 degrees.

As a still further scheme of the utility model: the width of L shape hook plate is 30 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the utility model is used in an operation, the draw hook is arranged at the joint of the transverse process and the vertebral plate, which is beneficial to providing physiological marks, is convenient for the placement of the pedicle screws and avoids the deviation of the positions of the implanted screws.

2. The soft tissue at the base part of the transverse process can be effectively hooked and fixed by the fork-shaped sharp tooth end, the prying stress can be dispersed by the fork-shaped sharp tooth end, the transverse process and the vertebral plate are prevented from being pried and collapsed by too hard prying, and the intraoperative hemorrhage is increased.

3. The utility model can provide local illumination in the operation through the arranged illumination component, thereby avoiding the unclear sight line caused by light in the operation, simultaneously can change the irradiation angle of the light source by rotating the cylindrical block when in use, and the arranged raised head, the limit groove and the spring can provide rotation resistance, so that the cylindrical block can stay at any position, and simultaneously, the illumination component can be detached from the threaded hole through threads, thereby being convenient for disinfecting the instrument.

Drawings

Fig. 1 is a schematic structural view of a novel vertebral plate retractor.

Fig. 2 is a schematic structural view of a threaded hole in the novel vertebral plate retractor.

Fig. 3 is a schematic view of the structure of the illumination assembly of the novel laminectomy retractor.

Fig. 4 is a schematic view of a split structure of the illumination assembly of the novel laminectomy retractor.

Fig. 5 is a partial enlarged view of a novel laminectomy retractor.

Fig. 6 is a schematic cross-sectional view of a cylindrical block in the novel laminectomy retractor.

Wherein: 1. an L-shaped hook plate; 2. a hand-held portion; 3. a forked tine end; 4. a threaded hole; 5. a cylindrical block; 6. a switch; 7. a power supply connector; 8. a lighting lamp; 9. a thread; 10. a raised head; 11. a ring groove; 12. connecting columns; 13. an LED lamp; 14. a circular groove; 15. a limiting groove; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, in the embodiment of the present invention, a novel vertebral plate retractor comprises an L-shaped retractor plate 1 and a connecting column 12, wherein a forked tine end 3 is disposed at a lower end of the L-shaped retractor plate 1, a handheld portion 2 is disposed at one end of the L-shaped retractor plate 1 away from the forked tine end 3, and a threaded hole 4 is further formed at an upper end position of a riser of the L-shaped retractor plate 1; the included angle between the fork-shaped tine end 3 and the L-shaped drag hook plate 1 is 15 degrees; the width of the L-shaped hook plate 1 is 30 mm; the soft tissue at the basal part of the transverse process can be effectively hooked and fixed by the fork-shaped sharp tooth end 3, the fork-shaped sharp tooth end 3 can disperse prying stress, the transverse process and the vertebral plate are prevented from being pried violently by force, intraoperative hemorrhage is increased, and meanwhile, the vertical plate of the L-shaped hook plate 1 is divided into three types, and the lengths are 60mm, 70mm and 85mm respectively.

The utility model discloses a lighting lamp, including spliced pole 12, annular 11 has been seted up to spliced pole 12 other end, spliced pole 12 one end is equipped with screw thread 9, and spliced pole 12 passes through screw thread 9 and connects in screw hole 4, be equipped with the lighting components who is used for providing the illumination on spliced pole 12.

The illuminating assembly comprises a cylindrical block 5, a circular groove 14 is formed in one side of the cylindrical block 5, at least six limiting grooves 15 are formed in the inner wall of the circular groove 14, raised heads 10 are connected in the limiting grooves 15 in a sliding mode, springs 16 are mounted between the inner end faces of the limiting grooves 15 and the raised heads 10, the cylindrical block 5 is clamped on a circular groove 11 in a connecting column 12 through the raised heads 10, and a light source assembly is further arranged on the cylindrical block 5; the light source assembly comprises an illuminating lamp 8, the illuminating lamp 8 is installed at the lower end of the cylindrical block 5, a power supply connector 7 is arranged at the upper end of the cylindrical block 5, a switch 6 is arranged on one side, away from the circular groove 14, of the cylindrical block 5, and the switch 6 is electrically connected with the power supply connector 7 and the illuminating lamp 8; the illuminating lamp 8 consists of three LED lamps 13; the utility model can provide local illumination in the operation through the arranged illumination component, thereby avoiding the unclear sight line caused by light in the operation, simultaneously, the irradiation angle of the light source can be changed by rotating the cylindrical block 5 when in use, the arranged raised head 10, the limiting groove 15 and the spring 16 can provide rotating resistance, so that the cylindrical block 5 can stay at any position, and simultaneously, the illumination component can be detached from the threaded hole 4 through the thread 9, thereby being convenient for disinfecting the apparatus.

The working principle of the utility model is as follows: in the operation of the utility model, the drag hook is arranged at the joint of the transverse process and the vertebral plate, which is beneficial to providing physiological marks, is convenient for the embedding of the vertebral pedicle nail, avoids the deviation of the position of the implanted nail, simultaneously, the soft tissue at the base part of the transverse process can be effectively hooked and fixed by the fork-shaped tine end 3, the fork-shaped tine end 3 can disperse the prying stress, avoids the transverse process and the vertebral plate from being pried by too much force, increases the bleeding in the operation, simultaneously, the arranged lighting component is connected with the power connector 7 by the power cord when in use, then the lighting lamp 8 is turned on by pressing the switch 6 to provide lighting, simultaneously, the lighting angle of the light source can be changed by rotating the cylindrical block 5, the arranged raised head 10, the limit groove 15 and the spring 16 can provide the rotation resistance, so that the cylindrical block 5 can stay at any position, simultaneously, the lighting component can be detached from the threaded hole 4 by the thread 9, the cylindrical block 5 is forcibly pulled out from the connecting column 12 when detached, the raised head 10 is separated from the annular groove 11, and then the connecting column 12 is rotated to detach the connecting column 12 from the threaded hole 4 through the threads 9, so that the instrument is conveniently sterilized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Although the present specification describes embodiments, not every embodiment includes only one technical solution, and such descriptions in the specification are provided for clarity, and those skilled in the art should make the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A novel vertebral plate drag hook comprises an L-shaped drag hook plate (1) and a connecting column (12), and is characterized in that a fork-shaped sharp tooth end (3) is arranged at the lower end of the L-shaped drag hook plate (1), a handheld part (2) is arranged at one end of the L-shaped drag hook plate (1) far away from the fork-shaped sharp tooth end (3), and a threaded hole (4) is further formed in the upper end of a vertical plate of the L-shaped drag hook plate (1);

spliced pole (12) one end is equipped with screw thread (9), and spliced pole (12) are connected in screw hole (4) through screw thread (9), annular (11) have been seted up to spliced pole (12) other end, be equipped with the lighting components who is used for providing the illumination on spliced pole (12).

2. The novel vertebral plate retractor is characterized in that the illuminating assembly comprises a cylindrical block (5), a circular groove (14) is formed in one side of the cylindrical block (5), at least six limiting grooves (15) are formed in the inner wall of the circular groove (14), raised heads (10) are connected in the limiting grooves (15) in a sliding mode, springs (16) are mounted between the inner end face of each limiting groove (15) and each raised head (10), the cylindrical block (5) is clamped on a ring groove (11) in a connecting column (12) through the raised heads (10), and a light source assembly is further arranged on the cylindrical block (5).

3. The novel vertebral plate retractor is characterized in that the light source assembly comprises a lighting lamp (8), the lighting lamp (8) is installed at the lower end of the cylindrical block (5), a power connector (7) is arranged at the upper end of the cylindrical block (5), a switch (6) is arranged on one side, away from the circular groove (14), of the cylindrical block (5), and the switch (6), the power connector (7) and the lighting lamp (8) are electrically connected.

4. A new laminar retractor according to claim 3, characterized in that said lighting lamp (8) consists of three LED lamps (13).

5. A new vertebral plate retractor according to claim 1, characterized in that the angle between the forked tip (3) and the L-shaped retractor plate (1) is 15 degrees.

6. A new laminar retractor according to claim 1, characterized in that the width of the L-shaped retractor plate (1) is 30 mm.