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WO2017039154A1 - Support de vis, pour chirurgie mini-invasive, ayant une articulation, et appareil chirurgical mini-invasif le comprenant - Google Patents

Support de vis, pour chirurgie mini-invasive, ayant une articulation, et appareil chirurgical mini-invasif le comprenant Download PDF

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Publication number
WO2017039154A1
WO2017039154A1 PCT/KR2016/008245 KR2016008245W WO2017039154A1 WO 2017039154 A1 WO2017039154 A1 WO 2017039154A1 KR 2016008245 W KR2016008245 W KR 2016008245W WO 2017039154 A1 WO2017039154 A1 WO 2017039154A1
Authority
WO
WIPO (PCT)
Prior art keywords
minimally invasive
holder
vertebrae
screw
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2016/008245
Other languages
English (en)
Korean (ko)
Inventor
김현성
허동화
윤홍원
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medrics Co Ltd
Original Assignee
Medrics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medrics Co Ltd filed Critical Medrics Co Ltd
Publication of WO2017039154A1 publication Critical patent/WO2017039154A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • A61B17/7077—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for moving bone anchors attached to vertebrae, thereby displacing the vertebrae
    • A61B17/708—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for moving bone anchors attached to vertebrae, thereby displacing the vertebrae with tubular extensions coaxially mounted on the bone anchors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
    • A61B17/7089—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements wherein insertion is along an arcuate path

Definitions

  • 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.
  • 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.
  • patients with spinal discs can be treated in the following manner.
  • 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.
  • procedure 2 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).
  • 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.
  • 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.
  • 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).
  • the screw holder 10 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 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.
  • 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.
  • 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.
  • 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
  • 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.
  • the plurality is characterized in that two or more.
  • 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;
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the removable and rotatable insertion unit in the alignment unit makes it possible to accurately insert through and fasten one rod as described above.
  • FIG. 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.
  • FIG. 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
  • 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
  • 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.
  • FIG. 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.
  • FIG. 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.
  • 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.
  • 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.
  • FIG. 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.
  • 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 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.
  • FIG. 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
  • 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
  • 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.
  • 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.
  • 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.
  • 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
  • FIGS. 6 to 12 For reference, reference numerals not shown in FIGS. 6 to 12 refer to FIGS. 1 to 5.
  • 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).
  • 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).
  • 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.
  • 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.
  • 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.
  • 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.
  • the holder body 110 includes a thread 113 formed along the outer circumferential surface of the stepped part 112.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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).
  • 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.
  • 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.
  • 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.
  • 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.
  • 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).
  • 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.
  • 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.
  • 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.
  • each of the pair of clamping bars 220, 220 is in contact with the alignment contact surface 114, respectively.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the practitioner can also be applied to the embodiment for performing the procedure directly using the operator's own sense of the hand.
  • 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.
  • 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.
  • 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.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne un support de vis, pour une chirurgie mini-invasive, ayant une articulation et un appareil chirurgical mini-invasif le comprenant, le support de vis comprenant : un corps de support dont les deux extrémités sont en communication l'une avec l'autre ; une unité de support qui a des parties détachables accouplées à des parties de tête de vis accouplées de manière rotative à la partie d'extrémité du corps de support et fixées à la vertèbre ; une unité d'alignement qui est destinée à serrer en même temps la partie supérieure de chaque corps de support accouplée à la pluralité de parties de tête et disposer la partie supérieure de l'unité de support dans une ligne droite ; et une unité d'insertion qui est formée sur un côté de l'unité d'alignement et est destinée à faire passer et insérer une tige en forme d'arc, correspondant au rayon de lordose formé à partir des vertèbres lombaires d'une personne, à travers la pluralité de parties détachables. Selon la présente invention, des parties de tête de chaque vis fixée à un nombre relativement important de vertèbres peuvent être fixées rapidement et facilement en même temps au moyen d'une tige unique qui correspond à la lordose d'une personne.
PCT/KR2016/008245 2015-08-31 2016-07-27 Support de vis, pour chirurgie mini-invasive, ayant une articulation, et appareil chirurgical mini-invasif le comprenant Ceased WO2017039154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150122344A KR101703003B1 (ko) 2015-08-31 2015-08-31 관절을 구비한 최소 침습 수술용 스크류 홀더 및 이것을 이용한 최소 침습 수술 장치
KR10-2015-0122344 2015-08-31

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WO2017039154A1 true WO2017039154A1 (fr) 2017-03-09

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PCT/KR2016/008245 Ceased WO2017039154A1 (fr) 2015-08-31 2016-07-27 Support de vis, pour chirurgie mini-invasive, ayant une articulation, et appareil chirurgical mini-invasif le comprenant

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KR101925927B1 (ko) * 2017-11-14 2018-12-07 주식회사 멘티스로지텍 최소 침습 수술용 척추 스크류 홀더
KR102589840B1 (ko) * 2018-09-21 2023-10-16 (주)시지바이오 척추교정장치
EP4670648A3 (fr) * 2019-11-27 2026-02-25 Spine23 Inc. Systèmes et procédés de correction d'une courbure latérale d'une colonne vertébrale
KR102145362B1 (ko) * 2019-11-29 2020-08-27 신 앤서니 스크류 헤드의 정렬이 가능한 최소 침습 척추경 스크류 고정로드 삽입장치

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