WO2017039154A1

WO2017039154A1 - Screw holder, for minimally invasive surgery, having joint and minimally invasive surgical apparatus having same

Info

Publication number: WO2017039154A1
Application number: PCT/KR2016/008245
Authority: WO
Inventors: 김현성; 허동화; 윤홍원
Original assignee: 주식회사 메드릭스
Priority date: 2015-08-31
Filing date: 2016-07-27
Publication date: 2017-03-09
Also published as: KR101703003B1

Abstract

The present invention relates to a screw holder, for a minimally invasive surgery, having a joint and a minimally invasive surgical apparatus having same, the screw holder comprising: a holder body of which both ends are in communication with each other; a holder unit which has detachable portions being coupled to head portions of screws rotatably coupled to the end portion of the holder body and fixed to the vertebra; an alignment unit which is for clamping at the same time the upper part of each holder body being coupled to the plurality of head portions and for arranging the upper part of the holder unit in a straight line; and an insertion unit which is formed on one side of the alignment unit and is for passing and inserting an arc-shaped rod, corresponding to the radius of lordosis formed from the lumbar vertebrae of a person being operated on, through the plurality of detachable portions. According to the present invention, head portions of each screw fixed to a relatively large number of vertebrae can quickly and easily be fixed at the same time by means of a single rod which corresponds to lordosis of a person being operated on.

Description

Minimally Invasive Surgical Screw Holder with Joint and Minimally Invasive Surgery Device

The present invention relates to a screw holder for minimally invasive surgery having a joint and a minimally invasive surgical device using the same. More particularly, the head portion of each screw fixed to a relatively large number of vertebrae corresponds to the Rhodocis of the subject. The present invention relates to a screw holder for minimally invasive surgery having a joint so that it can be quickly and easily fixed at a time with one rod and a minimally invasive surgical device using the same.

The disc between the vertebrae and the vertebrae functions as a joint and plays a very important role in minimizing the impact on the spine as the position and shape of the nucleus pulsator changes as the spine moves.

Most of the nucleus of the nucleus is composed of water (water). As the age of the nucleus is gradually reduced, the disk loses its buffering function and becomes a trigger of various spinal diseases accompanied by pain.

Because of this, if you are performing a severely distorted or capped disc, you should take steps to maintain spinal clearance and prevent spinal deformity and shaking.

To this end, patients with spinal discs can be treated in the following manner.

In other words, the disk of the damaged area is removed so that the damaged part of the vertebra is not pressed or pressed, and the bone is filled with an artificial support (cage) made of a hollow metal or plastic material and inserted into the removed area.

Next, after the pedicle screw is inserted into the vertebrae of the upper and lower parts of the damaged disk, the pedicle screw is fixed, and the rod is connected to the pedicle screw to secure the distance between the vertebrae. (Hereinafter procedure 1).

On the other hand, in the case of minor damage to the disc between the vertebrae of the spinal disc patients can be treated in the following manner.

That is, the disc is left as it is, and the pedicle screw is inserted into the vertebrae of the upper and lower portions of the damaged disk, and then the rod is connected to the pedicle screw to secure the distance between the vertebrae. Can be treated in the way (hereinafter referred to as procedure 2).

However, Procedures 1 and 2 require the incision of the pedicle screw to the vertebrae and then the incision of the skin of the damaged vertebrae area beyond a certain size in order to fasten the rod to the pedicle screw. As a result, there is a problem in that the recovery of the patient is delayed and the surgical satisfaction due to the wound is low.

Invented from the above point of view, "Spinal fixation screw operation apparatus using a minimally invasive method" of the Patent No. 10-0623441 (hereinafter referred to as "first"), and "Spinal Fixing Device of the Patent No. 10-0811563" Invasive surgical instruments "(hereinafter referred to as" preceding 2 ")," Road holder and the minimally invasive surgical system for spine using the same "(hereinafter referred to as" preceding 3 ") of Patent No. 10-0942226 and Patent No. 10-1067664 "Spinal fixation minimally invasive surgical apparatus" (hereinafter referred to as "4"), and "Operational Minimally Invasive Surgical System Work Tower" (hereinafter referred to as "preceding 5") of Patent No. 10-1419807.

However, although the preceding 1 to 5 can be applied to the procedure up to the second level, there is a limit that can not be applied to the procedure of three or more levels.

Here, n level (n is an integer of 1 or more) refers to a state in which n + 1 pedicle screws are fixed to n + 1 vertebrae, respectively.

In the case of the preceding 1 to the preceding 4, in particular, in the case of the preceding 5, referring to FIG. 13, a problem that cannot be applied to a procedure of three or more levels occurs.

That is, in the case of prior art 5, the lower end of the screw holder 10 penetrating both ends is detachably coupled to the head 41 of the pedicle screw 40 fixed to the vertebrae (hereinafter, not shown).

At this time, although not shown in particular, in the case of one or two levels, that is, when two or three pedicle screws 40 are fixed to each of two vertebrae or three vertebrae, the screw holder 10 The rod insertion guide slot 11 formed to be cut in an upward direction from both sides of the lower edge of the rod and the rod insertion groove 42 formed to be cut downward from both sides of the upper edge of the head 41 communicate with each other.

Therefore, the rod is inserted through the rod insertion guide slot 11, and in the preceding 5 including the preceding 1 to 4, it is applicable only in the case of one level or two levels.

In the case of the preceding 1 to 5, the operator is forced to penetrate the rod insertion guide slot 11 of each of the five screw holders 10 by one rod in a state of three or more levels, that is, four levels as shown in FIG. Due to the state of the pedicle screw 40 is fixed to the vertebrae at different angles during the insertion process, a fatal accident occurs that the screw holder 10 is separated from the head 41.

The present invention has been invented to solve the above problems, so that each head portion of the screw fixed to a relatively large number of vertebrae can be quickly and easily fixed at a time with one rod corresponding to the Rhodocis of the subject. To provide a minimally invasive surgical screw holder having a joint and a minimally invasive surgical device using the same.

In order to achieve the above object, the present invention is a holder body of both ends through; And a detachable part rotatably coupled to an end of the holder body and coupled to a head portion of a screw fixed to the vertebrae.

Here, the holder body, the support portion through both ends, the stepped portion formed in the upper portion of the support portion having a diameter larger than the support portion, a screw thread formed along the outer circumferential surface of the stepped portion, and mutually on both sides of the outer peripheral surface of the stepped portion Opposed to form an alignment contact surface formed stepped in a predetermined length and width toward the lower side from the upper edge of the stepped portion, the detachable portion detachable from the head portion is rotatably coupled to both sides of the outer peripheral surface of the lower end of the support portion It is characterized by.

In this case, the detachable part corresponds to different angles of inclination of the head part of the screw fixed to the plurality of vertebrae including the vertebrae and the adjacent vertebrae with respect to the holder body, respectively. Rotation is possible, and the detachable portion is characterized in that it further comprises a rod insertion guide groove for guiding the fastening of the arc-shaped rod coupled through the head portion fixed to each of the plurality of vertebrae.

In addition, the plurality is characterized in that two or more.

On the other hand, the present invention, a holder unit including a holder body of both ends and a detachable portion coupled to the head portion of the screw which is rotatably coupled to the end of the holder body and fixed to the vertebrae; An alignment unit for clamping an upper portion of each of the holder bodies respectively coupled to a plurality of the head portions to arrange the upper portions of the holder units in a straight line; And an insertion unit formed at one side of the alignment unit and inserting an arc-shaped rod corresponding to the radius of lordosis formed by the lumbar spine of the vertebrae of the subject through the plurality of detachable parts. It is possible to provide a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint characterized in that.

Here, the detachable part corresponds to different inclination angles of the head part of the screw fixed to the plurality of vertebrae including the vertebrae and the adjacent vertebrae with respect to the holder body. Rotation is possible, and the detachable portion is characterized in that it further comprises a rod insertion guide groove for guiding the fastening of the arc-shaped rod coupled through the head portion fixed to each of the plurality of vertebrae.

At this time, the plurality is characterized in that two or more.

The alignment unit extends from the pair of grip portions rotatable with respect to the clamping axis and the pair of grip portions, respectively, and opens when the pair of grip portions move in a mutually proximate direction. And a clamping bar which moves in a mutually contacting direction when the force applied to the pair of grip portions in a direction is removed, and clamps the upper part of each of the plurality of holder bodies simultaneously, wherein the insertion unit has one side of the pair of clamping bars. It is characterized in that coupled to the outer surface of the clamping bar.

The insertion unit has a lower end portion having a rotational support mounted to one side of the alignment unit, a length corresponding to the radius of the Rhodesis, and an arc-shaped rod is detachably coupled to an end thereof, and an upper end of the rotational support portion. And a rotation insertion part rotatably coupled to the rod, wherein the rod-shaped rod is inserted through each of the detachable parts rotatably coupled to the holder body by rotation of the rotation insertion part.

The rotation insertion part may include a rotation bar rotatably coupled to an upper end of the rotation support part, and coupled to an end of the rotation bar to accommodate the rotation bar to be accessible from the rotation bar, and vary the overall length together with the rotation bar. An entrance cylinder, a connection bracket extending from an end of the entrance cylinder to form a part of the arc shape, and an insertion guide body detachably coupled to an end of the connection bracket, the insertion guide body forming the remainder of the arc shape. The arc-shaped rod is detachably coupled to an end of the insertion guide body, and the connection bracket, the insertion guide body, and the arc-shaped rod form an arc corresponding to the radius of Rhodes.

According to the present invention having the above configuration, the following effects can be achieved.

First, the present invention is a structure in which the detachable portion is rotatably coupled to the holder body of the penetrating both ends, even if a relatively large number of vertebrae, for example, three levels or more, each of the head portion of the screw fixed to each of the above-described vertebrae This has the advantage that it can be quickly and easily fixed at a time as a rod having a circular arc shape corresponding to the Rhodosis of the subject.

Here, the holder body includes a plurality of holders having such a structure, including a stepped portion formed stepped on the support portion, a screw thread formed on the stepped portion, an alignment contact surface formed on both sides of the outer circumferential surface of the stepped portion, and an alignment nut fastened to the threaded portion. By aligning the upper part of the bodies in a straight line by one alignment unit, the detachable part rotatably coupled to each of the holder bodies on the lower side is in an aligned state for the insertion of the rod while maintaining the state of being precisely engaged with the head of the screw. Formation can be made easily and smoothly.

To this end, the alignment unit remains sufficiently coherently fixed even if the number of holder bodies coupled with each of the head parts of the screw is at least three levels, depending on the length of the clamping bar extending from the pair of pivotable grip parts with respect to the clamping axis. It will be possible to perform the procedure.

In particular, the present invention provides a rod having an arc shape corresponding to the radius of lordosis formed in the lumbar region of the vertebrae of the subject by the detachable portion coupled to each of the three or more holder units aligned by the alignment unit. For insertion, the removable and rotatable insertion unit in the alignment unit makes it possible to accurately insert through and fasten one rod as described above.

1 is a conceptual view showing the overall appearance and operating state of the minimally invasive surgical screw holder with a joint according to an embodiment of the present invention, Figure 1 (a) is a perspective view, Figure 1 (b) is a side view, respectively Indicates.

Figure 2 is an exploded perspective view showing the overall coupling relationship of the minimally invasive surgical screw holder with a joint according to an embodiment of the present invention.

Figure 3 is a side conceptual view showing the operating state of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to an embodiment of the present invention.

Figure 4 is an enlarged perspective view showing the overall appearance and the main part of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to an embodiment of the present invention.

FIG. 5 is a perspective view illustrating a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to an embodiment of the present invention as viewed from the opposite direction to FIG. 4.

6 to 9 sequentially show a procedure using a minimally invasive surgical device using a screw holder for minimally invasive surgery with a joint according to an embodiment of the present invention, Figure 6 is a plurality of vertebrae The state in which the clamping bar of the alignment unit is approached toward the alignment contact surface side of the holder unit with each screw fixed, and FIG. 7 shows the state for contacting the clamping bar to the alignment contact surface and turning down the alignment nut along the thread of the holder unit. 8 is a perspective view showing the alignment nuts are rotated and aligned at the upper edge of the clamping bar, respectively, and FIG. 9 is a perspective view showing the preparation state for coupling the insertion unit to the alignment unit and inserting an arc-shaped rod.

Figure 10 is a partially exploded perspective view showing a state in which the insertion guide body of the insertion unit of the minimally invasive surgical device using a minimally invasive surgical screw holder having a joint according to another embodiment of the present invention from the connection bracket.

11 is an exploded perspective view illustrating a state for fastening a handle for manual insertion to an insertion guide body of an insertion unit of a minimally invasive surgical device using a minimally invasive surgical screw holder having a joint according to another embodiment of the present invention.

12 is a three-level or more detachment by fastening an arc-shaped rod to the insertion guide body fastening the handle for manual insertion of the minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to another embodiment of the present invention. It is a perspective view which shows the state inserted through the part.

Figure 13 is a perspective view showing a state in which the head of the conventional minimally invasive surgical screw holder and pedicle screw are coupled to each other.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms.

In this specification, the embodiments are provided so that the disclosure of the present invention may be completed and the scope of the present invention may be completely provided to those skilled in the art.

And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

In addition, the same reference numerals throughout the specification refer to the same components, and the terminology (discussed) used herein is for the purpose of describing the embodiments are not intended to limit the invention.

As used herein, the singular forms "a", "an" and "the" include plural unless the context clearly dictates otherwise, and the elements and acts referred to as 'comprises' or 'do' not exclude the presence or addition of one or more other components and acts. .

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art.

In addition, the terms defined in the commonly used dictionary are not ideally or excessively interpreted unless they are defined.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

For reference, Figure 1 is a conceptual diagram showing the overall appearance and operating state of the minimally invasive surgical screw holder with a joint according to an embodiment of the present invention, Figure 1 (a) is a perspective view, Figure 1 (b) is Side views are shown respectively.

And, Figure 2 is an exploded perspective view showing the overall coupling relationship of the minimally invasive surgical screw holder with a joint according to an embodiment of the present invention.

3 is a side conceptual view illustrating an operating state of a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to an embodiment of the present invention.

And, Figure 4 is an enlarged perspective view showing the overall appearance and the main part of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to an embodiment of the present invention.

5 is a perspective view showing the minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to an embodiment of the present invention from the opposite direction to FIG. 4.

6 to 9 sequentially illustrate a procedure using a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to an embodiment of the present invention, and FIG. 7 shows a state in which the clamping bars 220 and 220 of the alignment unit 200 are approached toward the alignment contact surface 114 side of the holder unit 100 while the screws 400 are fixed to the bone, respectively. 8 is a state for bringing the 220 and 220 into contact with the alignment contact surface 114 and turning the alignment nut 115 along the thread 113 of the holder unit 100. FIG. 8 is an upper portion of the clamping bars 220 and 220. The alignment nuts 115 are rotated and aligned at the edges, respectively, and FIG. 9 is a perspective view illustrating a preparation state for coupling the insertion unit 300 to the alignment unit 200 and inserting the arc-shaped rod 500. to be.

And, Figure 10 is to separate the insertion guide body 324 of the insertion unit 300 from the connecting bracket 323 of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to another embodiment of the present invention. A partially exploded perspective view showing a state.

And, Figure 11 is a manual insertion handle 326 to the insertion guide body 324 of the insertion unit 300 of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to another embodiment of the present invention. Is an exploded perspective view showing a state for fastening.

In addition, Figure 12 is an arc-shaped to the insertion guide body 324 is fastened the handle 326 for manual insertion of the minimally invasive surgical apparatus using a screw holder for minimally invasive surgery with a joint according to another embodiment of the present invention A perspective view showing a state in which the rod 500 is inserted into and inserted into the detachable portion 120 of three or more levels.

For reference, reference numerals not shown in FIGS. 6 to 12 refer to FIGS. 1 to 5.

First, the minimally invasive surgical screw holder with a joint according to an embodiment of the present invention, as shown in Figures 1 and 2, both ends of the holder body 110 and the end of the holder body 110 It can be seen that the structure includes a detachable portion 120 coupled to the head portion 401 of the screw 400 is rotatably coupled and fixed to the vertebrae (hereinafter, not shown).

Here, the screw 400 allows the rotation with respect to the head portion 401, the removable portion 120 is to communicate with the head portion 401 through the holder body (110).

In this case, the screw 400 fixing driver for fixing the screw 400 to the vertebrae is inserted into the head 401 via the holder body 110 and the detachable part 120, and the screw 400 to the vertebrae. ) To rotate it.

Therefore, the present invention is a structure in which the detachable portion 120 is rotatably coupled to the holder body 110 of the penetrating both ends, each of the head portion 401 of the screw 400 fixed to each of a relatively large number of vertebrae As a rod 500 having an arc shape corresponding to the Rhodosis of the subject, it can be quickly and easily fixed at a time.

The present invention can be applied to the above embodiments, and of course, the following various embodiments are also applicable.

Looking at the holder body 110 in more detail with reference to Figures 1 and 2, it can be seen that includes a support 111 through the both ends.

In addition, the holder body 110 includes a stepped part 112 having a diameter larger than that of the support part 111 and formed to be stepped on the upper part of the support part 111.

In addition, the holder body 110 includes a thread 113 formed along the outer circumferential surface of the stepped part 112.

In addition, the holder body 110 is formed to face each other on the outer circumferential surface of the step portion 112, the alignment contact surface 114 is formed stepped in a predetermined length and width toward the lower side from the upper edge of the step portion 112 Include.

Here, it can be seen that the detachable portion 120 to be described later detached from the head portion 401 is rotatably coupled to both sides of the outer peripheral surface of the lower end of the support portion 111.

On the other hand, the detachable portion 120 will be seen in more detail with reference to Figures 1 and 2, it can be seen that includes a detachable body 121 through both ends.

In addition, the detachable part 120 includes a rotation pin 122 that is coupled to both sides of the upper edge of the detachable body 121 to be fixed to both sides of the outer peripheral surface of the lower end of the support part 111.

In addition, the detachable part 120 includes detachable protrusion pieces 123 which are formed at both sides of the lower edge of the detachable body 121 and are fixed to both sides of the outer peripheral surface of the upper end of the head part 401.

In addition, the detachable portion 120 is formed to be cut in each side facing each other from the upper side of the lower edge edge of the detachable body 121, respectively, the rod insertion grooves 410 formed to be cut each other facing each other from both sides of the outer peripheral surface of the upper end of the head portion 401 The rod insertion guide groove 124 is in communication with.

Accordingly, the rod insertion guide groove 124 and the rod insertion groove 410 have arc-shaped rods corresponding to the radius R of the lordosis (see FIG. 3 below) formed by the lumbar spine of the spine of the subject. 500 may be inserted through.

That is, the rod insertion guide groove 124 is provided to guide the fastening of the arc-shaped rod 500 coupled through the head portion 401 fixed to each of the plurality of vertebrae.

Here, the plurality of the aforementioned plurality may be two or more, and the minimally invasive surgical screw holder may be applied to the first and second levels, as well as three or more levels of minimally invasive surgery.

In this case, n level (n is an integer of 1 or more) refers to a state in which n + 1 screws 400 are fixed to n + 1 vertebrae, respectively.

In other words, the present invention, when the detachable portion 120 is rotatable with respect to the holder body 110, in the case of three or more levels (when four screws 400 are embedded) in the existing minimally invasive surgical device, In the course of the operator pushing the rod manually or using an insertion device such as a rod inserter, the fatal problem that the screw holder 40 (see FIG. 13) falls out of the head (see FIG. It can be prevented.

On the other hand, the holder body 110 is engaged with the screw thread 113 so that the upper portion of each of the plurality of holder body 110 is aligned in line with the alignment unit 200 to be described later, stepped portion 112 It is preferable to further include an alignment nut 115 coupled to).

In addition, the detachable portion 120, with respect to the holder body 110, as shown in Figure 4, the head portion 401 of the screw 400 fixed to the plurality of vertebrae including the vertebrae and the adjacent vertebrae, respectively It is rotatable corresponding to different inclination angles formed with each of the plurality of vertebrae.

A minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint having the above structure will be described below.

Minimally invasive surgical device using a screw holder for the minimally invasive surgery with a joint according to an embodiment of the present invention, the holder unit 100, the alignment unit 200 and the insertion unit 300 as shown in Figure 3 to 5 It can be seen that it contains a structure.

First, the holder unit 100 is detachably coupled to the holder body 110 of both ends and the head portion 401 of the screw 400 that is rotatably coupled to the end of the holder body 110 and fixed to the vertebrae. It includes a part 120.

In addition, the alignment unit 200 may be provided to simultaneously arrange an upper portion of the holder unit 100 by clamping an upper portion of each of the holder bodies 110 coupled to each of the plurality of head portions 401.

In addition, the insertion unit 300 is formed on one side of the alignment unit 200, a plurality of rod-shaped rods 500 of the arc shape corresponding to the radius (R) of the Rhodes formed in the lumbar region of the spine of the subject, It may be provided to insert through the removable portion 120.

On the other hand, the alignment unit 200 will be seen in more detail, it can be seen that includes a pair of grip parts (210, 210) that can be rotated based on the clamping shaft (201).

Then, the alignment unit 200 extends from the pair of

grip parts

210 and 210, respectively, and opens when the pair of

grip parts

210 and 210 move in a mutually close direction, and a pair in the mutually close direction. When the force applied to the

grip portions

210 and 210 of the removal is moved in the direction of mutual contact, and includes a clamping bar (220, 220) for clamping the upper portion of each of the plurality of holder body 110 at the same time.

Therefore, the insertion unit 300 to be described later may be understood that the coupling unit 300 is coupled to the outer surface of the clamping bars 220 and 220 of one side of the pair of clamping

bars

220 and 220.

It can also be seen that the mutually opposing surfaces of each of the pair of clamping

bars

220, 220 are in contact with the alignment contact surface 114, respectively.

On the other hand, the alignment unit 200, the link bar 230, which can be rotated at both ends so as to correspond to the diameter of the stepped portion 112 of the different holder unit 100 and the distance between the alignment contact surface (140, 140) at each operation. , 230 is preferably further provided.

That is, the link bars 230 and 230 are formed between the pair of

grip portions

210 and 210 and the pair of clamping

bars

220 and 220, and both ends thereof have the pair of

grip portions

210 and 210 and one pair, respectively. It is rotatable with respect to the pair of clamping

bars

220 and 220.

On the other hand, the insertion unit 300, the lower end portion has a rotation support portion 310 is mounted on one side of the alignment unit 200, and has a length corresponding to the radius (R) of the Rhodosis, the end of the rod-shaped rod 500 ) Is detachably coupled, and includes a rotation insertion unit 320 rotatably coupled to an upper end of the rotation support part 310.

Accordingly, the arc-shaped rod 500 may be inserted through each of the detachable parts 120 rotatably coupled to the holder body 110 by the rotation of the rotation inserting part 320 as shown in FIG. 3.

In addition, the rotation support 310 may be variable in length so as to be able to cope with various body shapes for each individual to be treated and the radius R of Rhodes formed by the lumbar part of the person to be treated.

To this end, the rotation support part 310 may include a support cylinder 311, an entrance rod 312, and a rotation bracket 313.

The support cylinder 311 is inserted and fixed to the fixing bracket 221 formed on the outer surface of the clamping bar 220 of one of the pair of clamping

bars

220 and 220 of the alignment unit 200.

The entrance and exit rod 312 is accommodated so that entrance and exit from the support cylinder 311 is possible.

The rotation bracket 313 is provided at the upper end of the entrance rod 312 so that the upper end of the rotation insertion part 320 is rotatably coupled.

In addition, the rotation insertion unit 320 may be variable in length so as to be able to cope with various body shapes for each individual to be treated and the radius R of Rhodes formed by the lumbar part of the person to be treated.

To this end, the rotation inserting unit 320 may include a rotation bar 321, the entrance cylinder 322, the connection bracket 323 and the insertion guide body 324.

Rotating bar 321 is rotatably coupled to the upper end of the rotary support 310.

The entrance cylinder 322 is coupled to the end of the rotation bar 321 to accommodate the rotation bar 321 to be accessible from the rotation bar 321, and to vary the overall length with the rotation bar 321.

The connecting bracket 323 extends from the end of the entrance cylinder 322 to form part of the arc shape.

Insertion guide body 324 is detachably coupled to the end of the connection bracket 323, to form the remainder of the arc shape.

Therefore, the arc-shaped rod 500 is detachably coupled to the end of the insertion guide body 324, the connecting bracket 323 and the insertion guide body 324 and the arc-shaped rod 500 is the radius of Rhodosys (R). ) To form a circular arc included in a circle (dotted line portion of Figure 3) corresponding to.

In addition, the rotation insertion part 320 is provided on the connection bracket 323 so that the rotation bar 321 rotates with respect to the upper end of the rotation support part 310 and exerts a force in a direction close to the rotation support part 310. It is preferable that the operator further comprises a handle 325 that can be gripped.

Hereinafter, a process for performing minimally invasive surgery as a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint according to an embodiment of the present invention will be described with reference to FIGS. 6 to 9.

First, the operator places the clamping bars 220 and 220 of the alignment unit 200 at the alignment contact surface 114 side of the holder unit 100 in a state where the screws 400 are fixed to the plurality of vertebrae as shown in FIG. 6. Approach towards.

Thereafter, the operator contacts the clamping bars 220 and 220 to the alignment contact surface 114 as shown in FIG. 7, and then rotates the alignment nut 115 in the direction of the arrow along the thread 113 of the holder unit 100. As such, the alignment nuts 115 are aligned at the top edges of the clamping bars 220 and 220 together.

Subsequently, the operator may combine the insertion unit 300 with the alignment unit 200 and insert the arc-shaped rod 500 in the direction of the arrow as shown in FIG. 9.

Meanwhile, the rotation insertion unit 320 includes a rotation bar 321, an entrance cylinder 322, a connection bracket 323, and an insertion guide body 324 together with the rotation support 310 as shown in FIGS. 10 to 12. Instead of the structure, the practitioner can also be applied to the embodiment for performing the procedure directly using the operator's own sense of the hand.

That is, the operator rotates to the ends of the holder bodies 110 aligned in a straight line by the alignment unit 200, and the rod-shaped rod 500 is formed through the rod insertion guide grooves 124 of the detachable parts 120 that are bent. In order to insert directly), it can be performed using only the insertion guide body 324.

In other words, the rotation insert 320, instead of the rotational force of the rotation insert 320 relative to the rotation support 310, only the insertion guide body 324 by engaging the arc-shaped rod 500, the minimum The procedure may be performed by pushing the rod-shaped rod 500 through the opening formed in the body of the subject for invasive surgery.

To this end, the rotary insertion unit 320, the insertion guide body 324 in the connection end with the connection bracket 323, the manual insertion handle 326 so that the operator can directly gripping and inserting with Figure 11 and As shown in FIG. 12, the circularly shaped rod 500 may be inserted through each of the plurality of detachable parts 120 in a detachable state as shown in FIG. 12.

As described above, the present invention is for minimally invasive surgery having a joint that allows fast and easy fixation of the head of each screw fixed to a relatively large number of vertebrae at a time with one rod corresponding to Rhodes of the subject. It can be seen that the basic technical idea is to provide a screw holder and a minimally invasive surgical device using the same.

In addition, many modifications and applications are possible to those skilled in the art within the scope of the basic technical idea of the present invention.

100 ... holder unit

110 ... holder body

111.Support

112.Step

113 Thread

114 ... aligning contact surface

115 ... alignment nut

120. Detachable part

121.Removable Body

122 ... Rotating Pin

123.Desorption stone

124 ... Rod Insertion Guide

200 ... alignment unit

201 ... Clamping Shaft

210, 210 ... grip portion

220, 220 ... clamping bar

221 ... fixed bracket

230, 230 ... link bar

300 ... insertion unit

310.Rotary support

311 ... support cylinder

312 ... Access Load

313 ... Rotating Bracket

320 ... rotary insert

321 ... Rotating Bar

322.Access cylinder

323 ... Connection bracket

324 ... Insertion guide body

325 ... handle

326 ... Handle for manual insertion

400 ... screw

401 head

410 ... rod insert groove

500 ... Arc shaped rod

R ... Radius

Claims

Holder body through both ends; And

Minimally invasive surgical screw holder with a joint, characterized in that rotatably coupled to the end of the holder body, and a removable portion coupled to the head portion of the screw fixed to the vertebrae.
The method according to claim 1,

The holder body,

Support of both ends,

A stepped portion having a diameter greater than that of the support portion and being formed stepped on the support portion,

A thread formed along the outer circumferential surface of the stepped portion,

It is formed so as to face each other on the outer circumferential surface of the stepped portion, and includes an alignment contact surface formed stepped in a predetermined length and width toward the lower side from the upper edge of the stepped portion,

Minimally invasive surgical screw holder with a joint, characterized in that the removable portion detachable to the head portion is rotatably coupled to both sides of the outer peripheral surface of the lower end of the support.
The method according to claim 1,

The detachable part,

With respect to the holder body, the head portion of the screw fixed to the plurality of vertebrae including the vertebrae and the adjacent vertebrae can be rotated corresponding to different inclination angles formed with each of the plurality of vertebrae,

The detachable part further comprises a rod insertion guide groove for guiding the fastening of the arc-shaped rod coupled through the head portion fixed to each of the plurality of vertebrae, the screw holder for minimally invasive surgery with a joint .
The method according to claim 3,

The plurality of screw holders for minimally invasive surgery with a joint, characterized in that two or more.
A holder unit including a holder body through both ends and a detachable part coupled to a head portion of a screw rotatably coupled to an end of the holder body and fixed to the vertebrae;

An alignment unit for clamping an upper portion of each of the holder bodies respectively coupled to a plurality of the head portions to arrange the upper portions of the holder units in a straight line; And

A insertion unit which is formed at one side of the alignment unit and inserts an arc-shaped rod corresponding to the radius of lordosis formed by the lumbar spine of the vertebrae of the subject through the plurality of detachable parts; Minimally invasive surgical apparatus using a screw holder for minimally invasive surgery having a joint.
The method according to claim 5,

The detachable part,

With respect to the holder body, the head portion of the screw fixed to the plurality of vertebrae including the vertebrae and the adjacent vertebrae can be rotated corresponding to different inclination angles formed with each of the plurality of vertebrae,

The detachable part further comprises a rod insertion guide groove for guiding the fastening of the arc-shaped rod coupled through the head portion fixed to each of the plurality of vertebrae, the screw holder for minimally invasive surgery with a joint Minimally Invasive Surgery Device.
The method according to claim 6,

The plurality of minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint, characterized in that two or more.
The method according to claim 5,

The alignment unit,

A pair of grips that can be rotated based on the clamping shaft,

Extends from the pair of grips, respectively, and extends when the pair of grips move in a mutually proximate direction; and moves in contact with each other when the force applied to the pair of grips in the mutually proximate direction is removed. And a clamping bar for simultaneously clamping an upper portion of each of the plurality of holder bodies,

The insertion unit is a minimally invasive surgical device using a screw holder for minimally invasive surgery having a joint, characterized in that coupled to the outer surface of the clamping bar of one side of the pair of the clamping bar.
The method according to claim 5,

The insertion unit,

A rotary support having a lower end mounted on one side of the alignment unit;

It has a length corresponding to the radius of the Rhodosis, and the rod-shaped rod is detachably coupled to the end, and includes a rotation insert that is rotatably coupled to the upper end of the rotary support,

The arc-shaped rod is minimally invasive surgery using a screw holder for minimally invasive surgery with a joint, characterized in that the insertion is inserted through each of the removable parts rotatably coupled to the holder body by the rotation of the rotating insert. Device.
The method according to claim 9,

The rotation insertion unit,

Rotating bar is rotatably coupled to the upper end of the rotary support,

An entrance cylinder coupled to an end of the rotation bar to accommodate the rotation bar to be accessible from the rotation bar and varying an entire length together with the rotation bar;

A connecting bracket extending from an end of the entry cylinder to form a part of the arc shape;

Removably coupled to the end of the connecting bracket, and includes an insertion guide body to form the remainder of the arc shape,

The arc-shaped rod is detachably coupled to the end of the insertion guide body,

And the connecting bracket, the insertion guide body, and the arc-shaped rod form a circular arc corresponding to the radius of the Rhodosis.