CN215535119U

CN215535119U - Ruler for positioning in spinal surgery

Info

Publication number: CN215535119U
Application number: CN202122002302.0U
Authority: CN
Inventors: 高峰; 薛文军; 朱勇超; 唐雪峰; 董鹏举; 陈立春
Original assignee: Henan Youde Medical Equipment Co Ltd
Current assignee: Henan Youde Medical Equipment Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the field of auxiliary instruments for surgical operations, in particular to a scale for positioning spinal surgeries, which comprises a first mark post, a second mark post and a positioning block, wherein a Kirschner wire is arranged at one end of the first mark post, the first mark post is connected with the second mark post in a sliding manner, the two sides of the second mark post are both connected with the positioning block in a sliding manner, and the Kirschner wire is arranged on the positioning block. The utility model is used as an auxiliary instrument, is beneficial to a doctor to accurately implant the spinal screw into an affected part, enables the spinal surgery to be easier to implement, has higher success rate and more accurate positioning of the surgical nail, reduces the implementation time of the surgery, reduces the surgical experience requirements on the doctor, lightens the psychological pressure of the doctor, and enables the spinal surgery to be implemented faster, better and safer.

Description

Ruler for positioning in spinal surgery

Technical Field

The utility model relates to the field of surgical operation auxiliary instruments, in particular to a ruler for positioning in spinal operations.

Background

At present, most spine operations are carried out manually, the spine is uneven in shape, the operation implementation parts are multi-curved, the operation nail is difficult to position, once the positioning deviation of the operation nail is large, medical accidents easily occur, the injury which is difficult to recover is brought to patients and families, and the psychological pressure to doctors is also a great test.

1. And (5) nail dropping direction. Because the nail position that falls of operation nail is in the arcus vertebrae position of backbone, and the area of arcus vertebrae itself is less, and actual wall thickness is thinner, and is the taper hole and centrum with the arcus vertebrae contact area, fills up the spinal cord in the taper hole and spreads over nervous, if the nail direction deviation that falls is great, the operation nail pierces through the arcus vertebrae easily, and outer penetrating influences the operation effect, and interior penetrating destroys patient's spinal nerve, the major medical accident that appears.

2. And (4) a nail falling position. The patient sizes are different, the symptom difference is great, and the pathological change position is different, and the nail falling position of the patient when lying prone needs to be freely adjusted in the length direction, the width direction and the height direction of the spine so as to meet the surgical implementation requirements of patients with different sizes, different symptoms and different pathological change positions.

3. Mechanical strength. In the operation implementation process, a lot of personnel are involved, and a doctor needs to perform the operation by constantly changing the position angle, so that the appearance of the auxiliary positioning system cannot be too large, and meanwhile, certain strength requirements must be met, and the operation is ensured to be implemented according to the assumed position and direction.

By combining the reasons, the spine operation implementation process is long in time, physical requirements on patients and doctors and psychological requirements on the doctors are high, and the doctors are required to have abundant spine operation implementation experiences, so that the success rate of the spine operation is improved, the operation time is reduced, the operation is easier and simpler to implement, and the spine operation is a medical problem to be solved urgently at present.

The current operation mode is to use a CT machine to obtain images of the back and two sides of the spine of a human body, and to add a metal grid at the CT irradiation end to obtain a spine CT picture with the grid. The doctor calculates the position and angle of the spondylopathy according to the grid size and the CT irradiation angle. In the process, the human body needs to be irradiated with CT for many times, and the human body is greatly damaged.

Disclosure of Invention

The utility model aims to solve the problem of difficult positioning of surgical nails in spinal surgery, and provides a ruler for positioning spinal surgery as an auxiliary instrument, which is helpful for doctors to accurately implant spinal screws into affected parts, so that the spinal surgery is easier to implement, the success rate is higher, the surgical nails are more accurately positioned, the operation implementation time is reduced, the operation experience requirements on the doctors are reduced, the psychological pressure of the doctors is relieved, and the spinal surgery is implemented more quickly, better and safer.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a scale for spinal surgery location, includes first sighting rod, second sighting rod and locating piece, the one end of first sighting rod is provided with the kirschner wire, sliding connection on the first sighting rod the second sighting rod, the equal sliding connection in both sides of second sighting rod has the locating piece, be provided with the kirschner wire on the locating piece.

In a further preferred scheme, one side of the positioning block is sleeved on the second marker post, the other side of the positioning block is provided with a spherical groove, and the spherical groove is provided with the Kirschner wire through the ball head fixing block.

In a further preferred scheme, one end of the first marker post is provided with a dovetail plate in a sliding mode, a spherical groove is formed in the dovetail plate, and the dovetail plate is connected with the Kirschner wire through a ball head fixing block.

In a further preferred scheme, one end of the ball head fixing block is of a spherical structure matched with the spherical groove, the other end of the ball head fixing block is of a block shape, the other end of the ball head fixing block is provided with a mounting hole and a threaded hole communicated with the mounting hole, the Kirschner wire is arranged in the mounting hole in a penetrating mode, and the Kirschner wire and the ball head fixing block are fixed through the threaded hole by penetrating through a jackscrew.

In a further preferred scheme, the dovetail plate is in a lateral structure, the end part of the horizontal section of the dovetail plate is in a right-angled triangle shape, the inclined section of the right-angled triangle is positioned on the upper side or the lower side of the horizontal section of the dovetail plate, and the first marker post is provided with a through groove matched with the horizontal section of the dovetail plate.

In a further preferred scheme, a sliding block is arranged in the middle of the second marker post, the sliding block is sleeved on the first marker post, the sliding block is connected with the first marker post in a sliding mode, and the sliding block and the first marker post are fixed through a knob.

In a further preferred scheme, the second marker post is positioned above the first marker post, and the second marker post is perpendicular to the first marker post.

In further preferred scheme, all be provided with the metal scale of scale fretwork on first sighting rod and the second sighting rod, the metal scale outside is by the sealed parcel of PEEK material.

Through the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the Kirschner wire at one end of the first mark post and the two Kirschner wires at two ends of the second mark post form three supporting points, the first scale and the second scale can be fixed by fixing the Kirschner wires on the human body, and a coordinate system is formed on the back, so that an affected part can be conveniently positioned in a spinal surgery.

This scale is arranged in the spine operation, can realize the accurate location to backbone pathological change position, help medical staff to find nail position and nail direction that falls, help the doctor with the accurate implantation affected part of backbone screw, the adjustable degree of freedom of whole mechanism is big, use and adjust all simple and conveniently, make the spine operation implement more easily, the success rate is higher, operation nail location is more accurate, reduce the operation implementation time, reduce the operation experience requirement to the doctor, alleviate doctor's psychological pressure, also can reduce the number of times that the patient shines CT, multiplicable movable fixed establishment that punches on this sighting rod in addition, prevent that the operation staff hand from trembling and causing the operation error, it is faster to let the spine operation implement, better, safer.

Drawings

FIG. 1 is a schematic diagram of a ruler for spinal surgical positioning according to the present invention;

FIG. 2 is a schematic structural view of a positioning block, a second marker post and a ball head fixing block of the present invention;

FIG. 3 is a schematic view of the end of the first post of the present invention.

The reference numbers in the drawings are as follows: the device comprises a Kirschner wire 1, a ball head fixing block 2, a dovetail plate 3, a first mark post 4, a knob 5, a sliding block 6, a positioning block 7, a second mark post 8 and a jackscrew 9.

Detailed Description

The utility model is further described with reference to the following figures and detailed description:

in the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, this embodiment provides a scale for spinal surgery location, including first sighting rod 4, second sighting rod 8 and locating piece 7, the one end of first sighting rod 4 is provided with ke shi needle 1, sliding connection on first sighting rod 4 second sighting rod 8, the equal sliding connection in both sides of second sighting rod 8 has locating piece 7, be provided with ke shi needle 1 on the locating piece 7. The kirschner wire of the one end of first sighting rod 4 and two kirschner wires at 8 both ends of second sighting rod form three strong point, and the accessible is with the fixed of kirschner wire on human body to fixed first scale 4 and second scale 8, so that fix a position the affected part in spinal surgery.

Foretell, locating piece 7 one side cover is established on second sighting rod 8, and one side upper portion of locating piece 7 is provided with the screw hole, thereby passes screw hole top to second sighting rod 8 fixed positioning piece 7 and second sighting rod 8 through the jackscrew, and spherical recess has been seted up to the opposite side of locating piece 7, spherical recess passes through bulb fixed block 2 and sets up Kirschner wire 1.

Foretell, the one end of first sighting rod 4 slides and is provided with dovetail plate 3, spherical recess has been seted up on dovetail plate 3, and dovetail plate 3 passes through bulb fixed block 2 and connects ke shi needle 1.

Specifically, 2 one end of bulb fixed block is for being cubic with spherical recess assorted sphere, the other end, and the mounting hole is seted up to the other end of bulb fixed block 2 and the screw hole that communicates with the mounting hole, ke shi needle 1 wears to establish in the mounting hole, and the length that ke shi needle 1 stretches out the mounting hole can be adjusted, can pass screw hole fixed ke shi needle 1 and bulb fixed block 2 through the jackscrew after adjusting length. The spherical structure of the ball head fixing block 2 is located in the spherical positioning groove, the ball head fixing block 2 and the positioning block 7 or the dovetail plate 3 are fixed through the jackscrew, and the ball head fixing block 2 can be rotated after the jackscrew is loosened, so that the inclination angles of the ball head fixing block 2 and the Kirschner wire 1 are changed.

In the above, the dovetail plate 3 is in a 'male' structure, the end of the horizontal section of the dovetail plate 3 is a right triangle, the inclined section of the right triangle is located on the upper side or the lower side of the horizontal section of the dovetail plate 3, and the first marker post 4 is provided with a through groove matched with the horizontal section of the dovetail plate 3. Dovetail plate 3 and first sighting rod 4 can the relative slip, and during the slip, through the right triangle structure of the 3 horizontal segment tip of dovetail plate, can avoid dovetail plate 3 and first sighting rod 4 to take place the skew or break away from, can guarantee the gliding stability of dovetail plate 3 and first sighting rod 4 and good maneuverability.

Further, the middle part of second sighting rod 8 is provided with slider 6, slider 6 and 8 fixed connection of second sighting rod, 6 covers of slider are established on first sighting rod 4, slider 6 and 4 sliding connection of first sighting rod wear to be equipped with knob 5 on the slider 6, and the lower extreme of knob 5 can be supported to on first sighting rod 4 to through 5 fixed slider 6 of knob and first sighting rod 4.

Further, second sighting rod 8 is located the top of first sighting rod 4, and second sighting rod 8 is perpendicular with first sighting rod 4, all is provided with the metal scale of scale fretwork on first sighting rod 4 and the second sighting rod 8, and the metal scale outside is by the sealed parcel of PEEK material. Through the metal scale with hollow scales, a scale chart of the spine can be obtained on the negative film when the CT is irradiated, and the scales can be seen through human eyes. The first pole 4 forms an X-dimension in the direction of the spine and the second pole 8 forms a Y-dimension.

Before the spinal surgery, the positions of three kirschner wires or a ball head fixing block 2 can be adjusted, specifically, the relative positions of a dovetail plate 3 and a first mark post 4 are adjusted, namely the position of the first mark post 4 is adjusted along the Y direction; the positions of the adjusting slide block 6 and the first mark post 4, namely the position of the second mark post 8 is adjusted along the X direction; the relative position of the positioning block 7 and the second mark post 8 is adjusted, namely the adjusting position of the positioning block 7 along the Y direction. The inclination angles of the three Kirschner wires can also be adjusted through the ball head fixing block 2.

This scale is arranged in the spine operation, can realize the accurate location to backbone pathological change position, establish the coordinate system on the backbone, help medical staff to find nail position and nail direction that falls, help the accurate implantation affected part of doctor with the spinal screw, the adjustable degree of freedom of whole mechanism is big, it is all simple and convenient to use and adjust, make the spinal operation implement more easily, the success rate is higher, operation nail location is more accurate, reduce operation implementation time, reduce the operation experience requirement to doctor, alleviate doctor's psychological pressure, also can reduce the number of times that the patient shines CT, in addition, the fixed establishment that punches of multiplicable movable on this sighting rod, prevent that the operation staff hand from trembling and causing the operation error, let the spinal operation implement sooner, better, safer.

The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a scale for spinal surgery location, its characterized in that, includes first sighting rod (4), second sighting rod (8) and locating piece (7), the one end of first sighting rod (4) is provided with ke shi needle (1), sliding connection on first sighting rod (4) second sighting rod (8), the equal sliding connection in both sides of second sighting rod (8) has locating piece (7), be provided with ke shi needle (1) on locating piece (7).

2. The ruler for positioning in spinal surgery according to claim 1, wherein one side of the positioning block (7) is sleeved on the second marker post (8), and the other side is provided with a spherical groove, and the spherical groove is provided with the Kirschner wire (1) through a ball head fixing block (2).

3. The ruler for spinal surgery positioning as recited in claim 1, characterized in that one end of the first marker post (4) is slidably provided with a dovetail plate (3), the dovetail plate (3) is provided with a spherical groove, and the dovetail plate (3) is connected with the kirschner wire (1) through a ball head fixing block (2).

4. The ruler for spinal surgery positioning as claimed in any one of claims 2 or 3, wherein one end of the ball head fixing block (2) is of a spherical structure matched with the spherical groove, the other end of the ball head fixing block (2) is of a block shape, the other end of the ball head fixing block (2) is provided with a mounting hole and a threaded hole communicated with the mounting hole, the Kirschner wire (1) is arranged in the mounting hole in a penetrating manner, and the Kirschner wire (1) and the ball head fixing block (2) are fixed through a jackscrew penetrating through the threaded hole.

5. The ruler of claim 3, wherein the dovetail plate (3) is in a lateral structure, the end of the horizontal section of the dovetail plate (3) is a right triangle, the inclined section of the right triangle is located on the upper side or the lower side of the horizontal section of the dovetail plate (3), and the first marker post (4) is provided with a through groove matched with the horizontal section of the dovetail plate (3).

6. The ruler for spinal surgery positioning as recited in claim 1, characterized in that a sliding block (6) is arranged in the middle of the second marker post (8), the sliding block (6) is sleeved on the first marker post (4), the sliding block (6) is connected with the first marker post (4) in a sliding manner, and the sliding block (6) and the first marker post (4) are fixed through a knob (5).

7. A ruler for spinal surgery positioning according to claim 1 characterized in that the second marker post (8) is located above the first marker post (4) and the second marker post (8) is perpendicular to the first marker post (4).

8. The ruler for spinal surgery positioning as recited in claim 1, characterized in that the first mark post (4) and the second mark post (8) are provided with a metal ruler with hollow scale, and the metal ruler is wrapped by PEEK material in a sealing manner.