KR20150089422A - Spinous Process Anchoring Device and Spinal Implant Having The Same - Google Patents

Abstract

The present invention relates to a spinous process anchoring device and spinal implant using the same which is mounted to acquire interspinous spaces in adjacent spine. The spinous process anchoring device according to the present invention is elongated from both sides of a connecting part having a certain length and comprises a loop combined to the spinous process at both ends wherein the loops are equipped and arranged rotationally symmetrical to each other in relation to the center of the connecting part.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a spinal implant,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a spinal implant to be inserted into a human body, and more particularly, to a spinal pedicle fixing ring provided to secure a gap between adjacent spinal curved portions and a spinal implant having the same.

Recently, due to aging, wrong living habits and accidents, vertebrae which is pressing the spinal nerve adjacent to the vertebrae bone is increasing rapidly. Various treatments have been carried out to secure the spacing between the vertebrae arranged in a plurality of vertical directions for the treatment thereof, and thus various instruments have been developed.

Korean Patent Registration No. 10-0898962 (entitled "Spinal Fixation Device") is an apparatus for fixing an abnormal position of a vertebra to a normal position, and comprises a screw arranged on both sides of a vertebra and a rod connecting a screw. However, the above-described spinal fixation apparatus requires a long time for the operation, and the damage of the vertebrae bone is inevitable for fixing the screw, and the vertebral bones around the screw are destroyed during the excessive exercise.

Korean Patent Laid-Open Publication No. 10-2013-0082281 discloses a device for expanding a narrowed space inserted between vertebrae, wherein a protrusion is formed on a surface of a cage body having a predetermined volume, And is not separated from the surface. Such a cage has an advantage that the surgical site is relatively small as compared with the above-described spinal fixation device, but there is a problem that the vertebra bone contacting with the protrusion is damaged as the force concentrates on the protrusion during an external impact.

Korean Patent Registration No. 10-1216212 (entitled " Spinal Fixing Implant and Method for Manufacturing the Same ") has been disclosed in order to solve the above-mentioned problem of damage of the vertebrae. FIG. 1 is a view showing the implant. Referring to FIG. 1, the implant is composed of a shape memory alloy and includes a fixing member 100 for connecting the vicinities of adjacent vertebrae, (200). The fixing member 100 is stably coupled to the outer surface of the spinning wheel in accordance with the temperature by the shape memory property of the fixing member 100 and the impact between the spinning rods is buffered by the spinning member 200, do.

2, the fixing member 100 is formed in such a manner that the side surface 110 of the fixing member 100 is in contact with the surface of the adjacent extruder It is installed in a form to enclose only one side. Therefore, as the fixing member 100 acts asymmetrically on the vertebrae in the lateral direction, there is a problem that the abnormal movement of the operator is caused.

Further, when the spine is moved in the vertical direction as in the case of the bending motion of the waist, the fixing member 100 is moved from the surface of the wobble surface provided with the fixing member 100 to the outer side, A pull-out phenomenon occurs.

Korean Patent Registration No. 10-0898962 (title of the invention: spinal fixation device. Korean Patent Publication No. 10-2013-0082281 (entitled " Intervertebral Extension Cage. &Quot; Korean Patent Registration No. 10-1216212 (Title of the Invention: Implant for Fixation of Spine and Method for Manufacturing the Same, 2012.12.28)

The present invention relates to a spinal needle which is capable of applying a symmetrical force to a vertebrae in a leftward and rightward movement of a vertebrae and having an improved fixing force with a wristwatch, The present invention is to provide a spinal cord fixation ring and a spinal implant having the same.

According to an aspect of the present invention, there is provided a spinal pedicle fixing ring according to the present invention, which is a ring that connects and fixes adjacent spinal pedicle joints, and includes hooks extending from both sides of a connection portion having a predetermined length, And the hooking ring is rotationally symmetrical with respect to the center of the connecting portion.

In the present invention, the connecting portion may be formed in an oblique shape.

In the present invention, the cross section of the fixing ring is a '

Quot; or " S " shape.

In the present invention, it is possible to further include an elastic protrusion that protrudes curvedly from the retaining ring.

According to another aspect of the present invention, there is provided a spinal implant according to the present invention, which is inserted into and connected to an adjacent vertebral body. The implant is extended from both sides of a connecting portion having a predetermined length, The locking ring may include a locking ring formed to be rotationally symmetric with respect to a center of the coupling portion, and a buffering body inserted between the adjacent spine locking rods coupled to the coupling portion.

The present invention configured as described above has the following effects.

According to the first aspect of the present invention, the retaining ring formed on the retaining ring is rotationally symmetrical with respect to the center, and the retaining ring is coupled to the opposed side surfaces of the different radial rollers arranged adjacent to each other, A symmetrical force can be applied to the spine.

Second, according to the present invention, since the connection portion connecting the fixing rings formed at both ends supports the lower portion and the upper portion of the adjacent pulleys, the fixation force is improved, and even the vertical movement such as the bending of the waist It is possible to stably support the spinning wheel.

Thirdly, according to the present invention, since the buffer body of the material having elasticity is placed between the two spins, the operation time and cost are reduced as the procedure is completed.

1 is a view showing a conventional spinal fixation implant.
Fig. 2 is a view showing a vertebra in which the implant of Fig. 1 is installed.
3 is an exploded perspective view of a spinal implant according to the present invention.
Fig. 4 is a perspective view of the spinal transducer fixation ring of Fig. 1;
5 is a plan view of Fig.
6 is a front view of a vertebra with a spinal pedicle fixation ring according to the present invention;
Fig. 7 is a side view of Fig. 6. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the appended drawings illustrate the present invention in order to more easily explain the present invention, and the scope of the present invention is not limited thereto. You will know.

FIG. 3 is an exploded perspective view of a spinal implant according to the present invention, FIG. 4 is a perspective view of a spinal pedicle fixing ring of FIG. 1, and FIG. 5 is a plan view of FIG.

The spinal implant according to the present invention includes a fixed ring 10 for connecting and fixing an adjacent vertebral body, and a cushioning body 20 inserted between the adjacent cervical vertebrae.

The fixed ring 10 is composed of a wire rod having a predetermined thickness and serves to connect and fix two spinal pedicles that are positioned adjacent to the upper and lower portions. The fixed ring 10 has a connecting portion 11 for connecting between adjacent vertebral bodies, And hooking rings 12 and 13 which are respectively provided on the adjacent vertebral bodies.

It is preferable that the connecting portion 11 is formed in an oblique shape extending in the diagonal direction from the center C (the center of the connecting portion 11 and the center of the fixing ring 10) The lower portion of the upper spinning rotor and the upper portion of the lower spinning rotor can be supported together.

The hooking rings 12 and 13 are formed symmetrically with respect to the connecting portion 11. More specifically, the upper and lower hooking rings 12 and 13 are rotationally symmetric with respect to the center C of the connecting portion 11, . Accordingly, the upper latching ring 12 and the lower latching ring 13 can be coupled so as to enclose the side surfaces of the opposed upper spinning rotor and the lower spinning rotor, respectively.

The hooking loops 12 and 13 are formed in an elliptical shape having one side opened and bent to be coupled to the outer circumferential surface of the spinning wheel, and the elastic protrusions 14 are formed at one side of the hooking rings 12 and 13, .

As shown in the figure, the elastic projection 14 may be formed to protrude in a vertical direction so as to be parallel to the protruding direction of the protrusion from the one side of the protrusion 12, or may protrude at a predetermined angle with the protrusion direction of the protrusion . Further, the elastic protrusion 14 may be provided only on one of the upper latching ring 12 and the lower latching ring 13. Accordingly, when the retaining rings 12 and 13 are coupled to the breaker rollers, the elastic projecting portions 14 provide elastic tension to the retaining rings 12 and 13 which are open at one side, And is stably coupled to the outer periphery of the spinning wheel by the elastic force of the ring.

The hooks 12 and 13 are formed so as to be rotationally symmetric with respect to the center C of the connecting portion 11 and are formed so that one side thereof is opened respectively so that the overall cross-

&Quot; or " S "

'Shaped city).

As the material of the fixing ring 10, a shape-memory alloy which is harmless to the human body and is light, hard and corrosion-resistant can be used, and a shape is deformed corresponding to the temperature change such as a titanium nickel (TiNi) alloy in the metal desirable. However, the material of the fixing ring 10 is not limited thereto, and other materials such as ceramics or synthetic resin may be used.

The buffering body 20 is inserted between adjacent pulleys to support the pulleys from the inside and maintains the spacing between the pulleys to prevent stiction between the pulleys, and is formed into a shape having a predetermined thickness and volume.

The cushioning body 20 has a cutout 21 for inserting the fixing ring 10 at one side thereof and a coupling hole 22 at which the fixing ring 10 inserted through the cutout 21 is seated, The buffering body 20 can be easily mounted to the intermediate portion of the fixing ring 10, that is, the connecting portion 11. [

As the material of the buffering body 20, a harmless material that can be applied to the human body can be used, but it is preferable to apply a material having some elasticity such as silicone or synthetic resin so as to absorb other impacts on the movement of the spine .

FIG. 6 is a front view of a vertebra 30 provided with a spinal pedicle fixing ring according to the present invention, and FIG. 7 is a side view of FIG. 6. FIG. Hereinafter, effects of the present invention will be described with reference to Figs.

6 and 7, the upper latching ring 12 and the lower latching ring 13 of the spinal column fixing ring 10 according to the present invention are respectively coupled to the opposed side surfaces of the adjacent protrusions 31 and 32 That is, the upper latching ring 12 is coupled to the side of the upper spinning rotor 31 and the lower latching ring 13 is coupled to the side of the lower spinning rotor 32 opposite to the side of the upper spinning rotor 31. The connecting portion 11 connecting the upper latching ring 12 and the lower latching ring 13 is coupled to support the lower portion of the upper spinning rotor 31 and the upper portion of the lower spinning rotor 32 together, Are coupled in such a manner as to wrap the adjacent radial rolls 31 and 32 in the opposite directions.

Therefore, symmetrical forces can be applied to the vertebrae even in the leftward and rightward movement of the vertebrae 30 by the retaining rings 12 and 13 symmetrically coupled to the proximal ends 31 and 32, The lower and upper portions of the spools 31 and 32 are supported and the fixing force is increased so that it is possible to stably support the spools 31 and 32 without detaching from vertical movement such as bending of the waist.

5 and 6, the buffer body 20 of the elastic material is sandwiched between the adjacent extensible rolls 31 and 32, The operation time and cost can be alleviated as the procedure is completed.

Since the spinal pedicle fixation ring and the spinal implant having the spinal implant fixture described above are only the most preferred embodiments of the present invention, they do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

10: fixing ring 11: connection part 12: upper closure ring
13: lower latching ring 14: elastic protrusion 20: buffering body
21: incision section 22: engaging hole 30: vertebra
31: upper spinning rotor 32: lower spinning rotor C: connection center

Claims (5)

A fixing ring for connecting and fixing adjoining vertebral bodies,
Wherein the hooks are extended from both sides of the connecting portion having a predetermined length and are coupled to the spinal transducer at both ends thereof, and the hooking ring is rotationally symmetrical with respect to the center of the connecting portion. The method according to claim 1,
Wherein the connecting portion is oblique. The method according to claim 1,
Wherein the cross section of the fixing ring is &

Quot; or " S " shape. 3. The method of claim 2,
And an elastic projection protruding from the retaining ring and curvedly protruding from the retaining ring. In an implant for insertion and connection to an adjacent vertebral body,
A locking ring extending from both sides of a connecting portion of a predetermined length and having opposite ends coupled to the spinal disc rods, wherein the locking ring is rotatably symmetrical with respect to the center of the connecting portion; And
And a cushioning body coupled to the connecting portion and inserted between adjacent vertebral bodies.

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