KR20130064870A - Bone plate system - Google Patents

Bone plate system Download PDF

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Publication number
KR20130064870A
KR20130064870A KR1020110131462A KR20110131462A KR20130064870A KR 20130064870 A KR20130064870 A KR 20130064870A KR 1020110131462 A KR1020110131462 A KR 1020110131462A KR 20110131462 A KR20110131462 A KR 20110131462A KR 20130064870 A KR20130064870 A KR 20130064870A
Authority
KR
South Korea
Prior art keywords
bone
plate system
bone plate
joint
present
Prior art date
Application number
KR1020110131462A
Other languages
Korean (ko)
Inventor
김규하
Original Assignee
주식회사 탑알앤디
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 주식회사 탑알앤디 filed Critical 주식회사 탑알앤디
Priority to KR1020110131462A priority Critical patent/KR20130064870A/en
Publication of KR20130064870A publication Critical patent/KR20130064870A/en

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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, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8047—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers wherein the additional element surrounds the screw head in the plate hole
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
    • A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips

Abstract

PURPOSE: A bone plate system is provided to minimize a part which contacts with the surface of a bone or a skin and be easily deformed into a shape which corresponds to the shape of an attached bone. CONSTITUTION: A bone plate system comprises a plate(10) and a screw(20). The plate has a structure in which multiple connecting parts(11) in which a screw hole(13) is formed are connected with an adjacent connecting part by a joint part(12). The connecting part is fixed to a bone by inserting the screw through the screw hole. At this time, only connecting part is contacted with the outside of the bone or skin and the joint part is not contacted with the outside of the bone or skin in the structure of the bone plate system.

Description

Bone Plate System {BONE PLATE SYSTEM}

The present invention relates to a bone plate system of the present invention. More specifically, the bottom surface of the fastening part in which the screw hole is located is protruded to minimize contact with the surface of the bone or skin, and the fastening part has a radially symmetrical cross section. The present invention relates to a bone plate system that can be easily connected to bend in the vertical, horizontal, left and right directions, and can be easily twisted and twisted so as to easily deform into a shape corresponding to the shape of the bone to be folded.

A bone plate is an aid used to fix bone fragments in the human or animal body. The broken bones are joined by placing the bone plates over the bone pieces and supports and fixing the respective bone pieces and supports and bone plates through a bone screw.

Korean Patent Laid-Open No. 10-2007-0024874 discloses a bone plate system in which a bottom portion is coupled to a bone by inserting a screw 101 through a screw hole 103 formed in a flat plate-shaped plate body 101. 4 is a perspective view showing a conventional bone plate system as described above, wherein the bone plate system has a flat structure at the bottom of the portion where the screw hole 103 is formed and the joint portion between the screw hole 103 and the thickness of the joint portion. It has a rectangular cross section in the form of thin and wide.

In the conventional bone plate system as described above, since the screw hole is formed and the distal portion is connected to each other flatly, and the wide surface is in contact with the surface of the bone or the skin, the bottom of the plate is pressed against the bone or the skin while the plate is fixed to the bone. Pain or cause secondary damage.

On the other hand, since the shape of the bone fragments and the support portion in the human body or animal body is various, it is preferable that the plate has a shape corresponding to the shape of the bone fragments and the support in order to connect the bone fragments with the support.

However, in the conventional bone plate system, the thickness of the joints between the screw holes 103 is thin to correspond to the shape of the bones in the grafting position so that the bending in the vertical direction is relatively free, but the width of the joints is wide, so the bending in the left and right directions is possible. This difficulty has the disadvantage that it can not be transformed into a shape corresponding to the shape of the bone.

In addition, since the conventional bone plate system has a wide structure of the joint, it is also difficult to deform the joint between the neighboring screw holes 103 in the twisting direction.

The present invention has been made to solve the above problems is an object of the present invention is to protrude the bottom surface of the fastening portion where the screw hole is located can minimize the contact with the surface of the bone or skin as well as the fastening portion is radially symmetric Providing a bone plate system that is connected to a joint having a cross section and can easily bend the joint in up, down, left and right directions as well as can be easily twisted and twisted to a shape corresponding to the shape of the bone to be folded. It is for.

In order to achieve the above object, the bone plate system according to the present invention, a plurality of fastening portions formed with screw holes are adjacent to each other, the bones for fixing the outer side of the bone by inserting the screw into the screw holes in the screw holes connected to each other In the plate system, the fastening portion is characterized in that the periphery of the screw hole is formed to protrude.

In addition, the bone plate system according to the present invention, the joint portion is characterized in that it has a radially symmetrical cross section.

In addition, the bone plate system according to the present invention, the joint is characterized in that the circular cross section.

The bone plate system according to the present invention by the configuration as described above, the bottom surface of the fastening portion where the screw hole is located can minimize the contact with the surface of the bone or skin as well as the joint has a radially symmetric cross section It is connected to the negative portion can be easily bent in the vertical, left, and right directions, as well as easily twisted and twisted to have an advantage that can be easily transformed into a shape corresponding to the shape of the bone to be folded.

1 is a perspective view showing a bone plate system according to an embodiment of the present invention
Figure 2 is a cross-sectional view showing a bone plate system according to an embodiment of the present invention
Figure 3 is a perspective view showing a state in which the joint is bent and twisted in the bone plate system according to an embodiment of the present invention
4 is a perspective view showing a conventional bone plate system

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail the bone plate system according to the present invention.

1 is a perspective view showing a bone plate system according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing a bone plate system according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention In the bone plate system according to the perspective view showing the bent and twisted seams.

Referring to the drawings, the bone plate system according to the present invention consists of a plate 10 and a screw 20 for fixing the plate 10 to bone.

The plate 10 has a structure in which a plurality of fastening portions 11 having screw holes 13 are adjacent to each other are connected to each other by a joint 12. Referring to FIG. 1, a plurality of fastening parts 11 are connected to the joint part 12 so that the fastening parts 11 are arranged in a straight line along the main axis X.

The fastening portion 11 is inserted into the screw 20 through the screw hole 13 formed in the fastening portion 11 is fixed to the bone (S), the present invention only the fastening portion 11 bone (S) ) Or the outer side of the skin and the connection portion 12 is characterized in that it has a structure that does not contact the outside of the bone (S) or the skin. 2 is a cross-sectional view conceptually showing the structure of the fastening portion 11 and the connecting portion 12, such as wax. Referring to FIG. 2, the present invention allows the fastening portion 11 to protrude around the screw hole 13. Although the fastening part 11 is formed in contact with the bone S, the joint part 12 is characterized in that a gap G is formed between the bone S and the joint part 12 away from the bone S. do. As described above, according to the present invention, the portion of the plate 10 is in contact with the bone S or the skin is minimized because the joint 12 is separated from the bone S in the state in which the plate 10 is fixed to the bone S. Will be.

On the other hand, the present invention has a structure in which the plate 10 is deformed in a shape corresponding to the bone of various shapes. To this end, the present invention is characterized in that the joint 12 is formed to have a structure capable of bending (bending) and twisting (twisting). That is, the present invention is formed such that the cross section of the joint 12 has a radially symmetrical shape, such as circular, square, regular hexagon. The figure shows an embodiment in which the seam 12 has a circular cross section. As shown in the figure, since the joint 12 has a radially symmetrical circular cross section, the joint 12 can be bent in all directions of up, down, left, and right, and twisting is easy. 3 shows a state in which the plate 10 of the bone plate system according to the present invention is bent and twisted at the joint 12. Referring to FIG. 1 showing a straight plate 10 and a state in which bending and twisting deformations have been made, as shown in FIG. 1, the plate 10 before deformation may have a screw hole (a) of the fastening part 11. The hole shafts Y1 and Y2 of 13 are side by side (parallel), but as shown in FIG. 3, the joints 11 are twisted and deformed in the R direction, so that the hole shafts Y1 and Y2 are twisted. In addition, the plate 10 before deformation is in a straight line along the main axis X, but by bending one of the joints 12 in the B direction, the deformation axis X 'having a predetermined angle with the main axis X is deformed. You have a part with).

The screw 20 is for fixing the plate 10 to the bone (S), is inserted into the screw hole 13 is screwed to the bone (S). On the other hand, female screw is formed on the inner circumference of the screw hole 13 so that the screw 20 is firmly fixed to the plate 10 so as not to shake in the plate 10 so that the screw 20 is screwed into the screw hole 13. It can be configured to be fastened.

The bone plate system described above and illustrated in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments which have been improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

10 plates
11 Fasteners
12 joints
13 screw holes
20 Screw

Claims (3)

In a bone plate system in which a plurality of fastening parts having screw holes formed adjacent to each other are connected to a joint by a screw inserted into the screw holes to fix the plate to the outside of the bone.
The fastening portion, bone plate system, characterized in that formed to protrude around the screw hole. The method of claim 1,
The joint is a bone plate system, characterized in that having a cross-symmetric cross-section. The method of claim 2,
The joint is a bone plate system, characterized in that the circular cross section.
KR1020110131462A 2011-12-09 2011-12-09 Bone plate system KR20130064870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110131462A KR20130064870A (en) 2011-12-09 2011-12-09 Bone plate system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110131462A KR20130064870A (en) 2011-12-09 2011-12-09 Bone plate system

Publications (1)

Publication Number Publication Date
KR20130064870A true KR20130064870A (en) 2013-06-19

Family

ID=48861636

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110131462A KR20130064870A (en) 2011-12-09 2011-12-09 Bone plate system

Country Status (1)

Country Link
KR (1) KR20130064870A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019208932A1 (en) * 2018-04-25 2019-10-31 의료법인 명지의료재단 Bone fixing device having half-locked screw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019208932A1 (en) * 2018-04-25 2019-10-31 의료법인 명지의료재단 Bone fixing device having half-locked screw

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E601 Decision to refuse application