KR20110059299A - Plate for fixing bone - Google Patents

Plate for fixing bone Download PDF

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KR20110059299A
KR20110059299A KR1020090115987A KR20090115987A KR20110059299A KR 20110059299 A KR20110059299 A KR 20110059299A KR 1020090115987 A KR1020090115987 A KR 1020090115987A KR 20090115987 A KR20090115987 A KR 20090115987A KR 20110059299 A KR20110059299 A KR 20110059299A
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South Korea
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fixing
bone
screw
fixing plate
hole
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KR1020090115987A
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Korean (ko)
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KR101200934B1 (en
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김선미
박상수
임진용
김영대
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(주)티디엠
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    • 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

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

Abstract

PURPOSE: A plate for fixing a bone is provided to help an operator to fix the bone by holding a fixed screw in various directions. CONSTITUTION: In a plate for fixing a bone, a plate(100) for fixing a bone includes a plurality of through-holes(110). A fixed screw is inserted into the through-holes which are arranged in longitudinal direction. Inclined processing sides(111,112) are formed in up and down sides of the through-holes.

Description

뼈고정판{plate for fixing bone}Plate for fixing bone

본 발명은 대퇴골 등의 골절부에 밀착시켜 고정스크류를 사용하여 고정하므로써 골절부를 치료하는 뼈고정판에 관한 것이다.The present invention relates to a bone fixation plate for treating fractures by fixing them using a fixing screw in close contact with fractures such as the femur.

인체 내에서 발생되는 골절을 치료하기 위하여 근래에 많이 사용하는 방법은 뼈고정판과 고정스크류를 이용하여 고정시키는 방법이다. 종래에는 뼈고정판과 고정스크류를 사용시 고정스크류가 뼈속으로 박힘으로써 발생되는 힘으로 뼈고정판을 눌러 고정스크류에 발생되는 힘을 뼈고정판으로 분산시킴으로써 인체 내에 발생되는 힘을 분산하여 골절이 치료될 때까지 버틸 수 있도록 유지하였으나, 인체 내에서의 다양한 움직임에 따라 또는 골다공증 환자의 경우에 골밀도가 저하되어 고정스크류만으로는 나사풀림현상(Loosening)이 발생되어 시술이 회복도중에 실패하는 사례가 번번히 발생하였다. 이에 대하여 최근기술로 고정스크류의 머리부분(21)과 뼈고정판에 나사산을 형성하여 서로 견고하게 결합함으로써 나사풀림현상과 힘분산을 유도하는 형태로 발전하고 있다. In order to treat fractures occurring in the human body in recent years, a method commonly used is a method of fixing using a bone fixing plate and a fixing screw. Conventionally, when using a bone fixing plate and a fixed screw by pressing the bone fixing plate with the force generated by the fixing screw into the bone to distribute the force generated in the fixed screw to the bone fixing plate by dispersing the force generated in the human body until the fracture is treated Although it was maintained to be able to withstand, various cases of movement in the body or osteoporosis patients had a decrease in bone density and loosening occurred only with a fixed screw (Loosening). On the other hand, in recent years, a screw thread is formed on the head 21 of the fixing screw and the bone fixing plate, thereby firmly coupling with each other, thereby developing the screw loosening phenomenon and the force dispersion.

뼈고정판과 고정스크류를 사용하여 골절부를 고정하는 장치로는 한국특허 10-0567007, 미국특허 US 5976139, US 6183474 등이 개시되어 있다.An apparatus for fixing a fracture part using a bone fixing plate and a fixing screw is disclosed in Korean Patent 10-0567007, US Patent US 5976139, US 6183474, and the like.

도1은 종래 뼈고정판에 고정스크류가 삽입되어 고정되는 상태를 나타내는 사시도이다. 도시한 바와, 뼈고정판(10)에는 나사헤드(21)를 갖는 고정스크류(20)가 수용되어 체결되는 다수의 통공(11)이 형성되어 있으며, 상기 통공(11)의 상측은 콘형상의 경사면(11a)으로 되어 있고, 상기 통공(11)의 하측은 암나사산(11b)이 형성되어 있다.1 is a perspective view showing a state in which a fixing screw is inserted and fixed to the conventional bone fixing plate. As shown, the bone fixing plate 10 is formed with a plurality of through holes 11 for receiving and fastening the fixing screw 20 having a screw head 21, the upper side of the through holes 11 is a cone-shaped inclined surface ( 11a), and a female thread 11b is formed on the lower side of the through hole 11.

그런데, 종래 뼈고정판에서는 통공의 암나사산에 고정스크류가 나사결합되어 고정되므로 한방향으로만 고정되어 고정스크류의 자유로운 방향 선택이 불가능하고 암나사산에 의해 정해지고, 다른방향으로 고정스크류를 고정하기 위해서는 고정스크류를 나사산과 방향이 다르게 넣으면서 나사산을 뭉개지게 하며 삽입하여야 하는 문제점이 있었다. 이러한 방법을 통하면 몇 개의 나사산을 뭉개트리면서 삽입하여야 하는 문제가 있어 시술시 사용자가 과도한 힘을 사용하여야 하므로 시술시간이 오래 걸리게 되고 시술 후에도 나사머리가 뼈고정판에 대하여 경사진 방향으로 약간 돌출되어야 하는 문제가 발생되는 문제가 있었다. 또한, 나사의 결합 시작점이 한군데에만 있어 나사를 회전하는 시간이 오래 걸리고 잘못된 결합으로 나사가 뭉개져 버리는 문제점이 있었다. By the way, in the conventional bone fixing plate fixed screw is screwed to the female thread of the through hole is fixed and fixed only in one direction, it is impossible to select the free direction of the fixed screw, it is determined by the female thread, fixed to fix the fixed screw in the other direction There was a problem in that the screw is inserted into the screw thread while the direction is different from the screw thread. In this method, there is a problem that the screw thread is inserted while crushing a few threads. The procedure requires a long time because the user has to use excessive force. After the procedure, the screw head must project slightly in the inclined direction with respect to the bone fixation plate. There was a problem that caused problems. In addition, there is a problem in that the screw start point takes a long time to rotate the screw because only one starting point of the screw is screwed.

따라서, 본 발명은 상기 문제점을 해결하기 위해 이루어진 것으로서, 본 발명의 목적은 고정스크류를 다양한 방향으로 고정하게 하여 뼈고정 시술을 용이하게 하는 뼈고정판을 제공하는 데 있다.Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to provide a bone fixing plate to facilitate the bone fixation procedure by fixing the fixing screw in various directions.

본 발명에 의한 뼈고정판은, 고정스크류를 끼워 고정하는 다수의 통공이 길이방향을 따라 배열 형성된 뼈고정판에 있어서, 상기 고정스크류가 다양한 방향으로 기울어져 고정되도록 상기 통공에 가공면이 형성되어 중간이 얇은 돌출띠로 형성되어 있는 것을 특징으로 한다.In the bone fixing plate according to the present invention, in the bone fixing plate formed of a plurality of through holes arranged in the longitudinal direction by fixing the fixing screw, the processing surface is formed in the through hole so that the fixing screw is inclined in various directions to be fixed in the middle It is characterized by being formed as a thin protruding band.

또한 본 발명에 의한 뼈고정판은, 고정스크류를 끼워 고정하는 다수의 통공이 길이방향을 따라 배열 형성된 뼈고정판에 있어서, 상기 고정스크류가 다양한 방향으로 기울어져 고정되도록 상기 통공에 경사 가공면이 형성되어 중간이 산형으로 형성되어 있는 것을 특징으로 한다.In addition, the bone fixing plate according to the present invention, in the bone fixing plate formed in a plurality of through holes arranged in the longitudinal direction by fixing the fixing screw, the inclined processing surface is formed in the through holes so that the fixing screws are fixed inclined in various directions The middle part is formed in the form of a mountain.

상기 고정스크류가 상기 통공의 내면 다수 곳에서 시작되어 끼워져 걸리도록 상기 통공에는 다수의 요입홈이 형성되어 있다.A plurality of recessed grooves are formed in the through holes so that the fixing screws are started and fitted at a plurality of inner surfaces of the through holes.

본 발명에 의한 뼈고정판에 의하면, 고정스크류를 다양한 방향으로 고정하게 하여 뼈고정 시술을 용이하게 하고, 고정스크류가 통공의 다수 곳에서 시작되어 끼워져 걸리므로 고정스크류의 고정작업을 용이하게 한다.According to the bone fixing plate according to the present invention, by fixing the fixing screw in a variety of directions to facilitate the bone fixation procedure, since the fixing screw is inserted and started from a number of places of the through hole to facilitate the fixing work of the fixing screw.

이하, 본 발명의 실시예에 대해 첨부도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도2는 본 발명의 제1실시예에 의한 뼈고정판의 일부단면 사시도이다. 도시한 바와 같이, 뼈고정판(100)은 고정스크류(도5에 도시)를 끼워 고정하는 다수의 통공(110)이 길이방향을 따라 배열 형성된 띠판 형태로 되어 있으며, 상기 고정스크류가 다양한 방향으로 기울어져 고정되도록 상기 통공(110)의 상하 양측에 경사 가공면(111, 112)이 형성되어 중간이 산형으로 형성되어 있다. 상기 통공(110)의 상하 양측에 가공면이 형성되어 중간이 얇은 돌출띠로 되어 있을 수도 있다.Figure 2 is a partial cross-sectional perspective view of the bone fixing plate according to the first embodiment of the present invention. As shown, the bone fixing plate 100 is in the form of a band plate formed with a plurality of through-holes 110 arranged in the longitudinal direction to secure the fixing screw (shown in Figure 5), the fixing screw is inclined in various directions Inclined machining surfaces 111 and 112 are formed on both upper and lower sides of the through hole 110 so as to be fixed to the bottom, and the middle is formed in a mountain shape. Machining surfaces may be formed on both upper and lower sides of the through hole 110 to form a thin protrusion band in the middle.

도3은 본 발명의 제2실시예에 의한 뼈고정판의 일부단면 사시도이다. 도시한 바와 같이 본 실시예의 뼈고정판(200)은 장공형태로 된 통공(210)으로 되어 있다. 상기 통공(210)의 상하 양측에 가공면(211, 212)이 형성되어 중간이 얇은 돌출띠로 형성되어 있다. 본 실시예의 뼈고정판은 통공(210)의 장공 양단에서 고정스크류로 고정할 수 있으므로 시술을 더욱 용이하게 할 수 있다.Figure 3 is a partial cross-sectional perspective view of the bone fixing plate according to a second embodiment of the present invention. As shown, the bone fixing plate 200 of the present embodiment is a through-hole 210 in the form of a long hole. Machining surfaces 211 and 212 are formed on both upper and lower sides of the through hole 210, and the middle of the through hole 210 is formed as a thin protruding band. The bone fixing plate of the present embodiment can be fixed with a fixing screw at both ends of the long hole of the through hole 210 can further facilitate the procedure.

도4는 본 발명의 제3실시예예 의한 뼈고정판의 일부단면 사시도이다. 도시한 바와 같이 본 실시예의 뼈고정판(300)은 고정스크류가 통공의 내면 다수 곳에서 시작되어 끼워져 걸리도록 통공(310)의 얇은 돌출띠에는 내면을 따라 다수 곳에 요입홈(313)이 형성되어 있다. 이러한 본 발명의 제3실시예의 구성에서는 고정스크류(120, 도5에 도시)의 나사헤드(121)의 나사산이 원주방향 네 곳에서 임의로 시작되어 결합되므로 고정스크류의 결합을 용이하게 하여 시술을 쉽게 한다. 도면 부호 311 및 312는 얇은 돌출띠를 이루도록 통공(310)의 양측에 형성된 가공면을 나타낸다. 상기 요입홈(313)은 도2의 통공(110)에 형성되어 있을 수도 있다.Figure 4 is a partial cross-sectional perspective view of the bone fixing plate according to a third embodiment of the present invention. As shown, the bone fixing plate 300 of the present embodiment has a recessed groove 313 is formed in a plurality of locations along the inner surface of the thin projection band of the through hole 310 so that the fixing screw is inserted and started at a plurality of inner surfaces of the through holes. . In the configuration of the third embodiment of the present invention, since the screw thread of the screw head 121 of the fixing screw 120 (shown in FIG. 5) is arbitrarily started and coupled in four circumferential directions, the fixing screw can be easily coupled to facilitate the procedure. do. Reference numerals 311 and 312 denote machining surfaces formed on both sides of the through hole 310 to form a thin protruding band. The recess groove 313 may be formed in the through hole 110 of FIG.

상기 본 발명의 가공면(211, 212)(311, 312) 또는 경사가공면(111, 112)은, 구형 또는 베벨링 밀러(miller) 등에 의해 기계가공되며 경사가공면일 경우 뼈고정판의 길이방향 축에 대해 50° ~ 65°로 가공하는 것이 바람직하다. The machining surfaces 211, 212, 311 and 312 or the inclined processing surfaces 111 and 112 of the present invention are machined by a spherical or beveling miller or the like and in the case of the inclined processing surface, the longitudinal axis of the bone fixing plate It is preferable to process it with 50 degrees-65 degrees with respect to.

도5는 나사부(121)를 가지는 고정스크류(120)가 상기 통공(210)의 일측에 삽입되어 사용되는 상태를 나타낸다. 도시한 바와 같이 고정스크류(120)의 나사부(121)는 상기 통공(210)의 돌출띠에 회전되면서 결합되되 다양한 방향으로 기울인 상태로 고정스크류(120)가 뼈에 박힐 수 있으므로 뼈고정 시술을 용이하게 할 수 있다.5 shows a state in which a fixing screw 120 having a threaded portion 121 is inserted into one side of the through hole 210 and used. As shown, the screw portion 121 of the fixing screw 120 is coupled to the rotation of the protrusion band of the through hole 210, but the fixing screw 120 can be stuck in the bone in a state inclined in various directions to facilitate bone fixation procedure can do.

도1은 종래 뼈고정판을 나타내는 일부단면 사시도,1 is a partial cross-sectional perspective view showing a conventional bone fixing plate,

도2는 본 발명의 제1실시예에 의한 뼈고정판을 나타내는 일부단면 사시도,Figure 2 is a partial cross-sectional perspective view showing a bone fixing plate according to the first embodiment of the present invention,

도3은 본 발명의 제2실시예에 의한 뼈고정판을 나타내는 일부단면 사시도,Figure 3 is a partial cross-sectional perspective view showing a bone fixing plate according to a second embodiment of the present invention,

도4는 본 발명의 제3실시예에 의한 뼈고정판을 나타내는 일부단면 사시도,Figure 4 is a partial cross-sectional perspective view showing a bone fixing plate according to a third embodiment of the present invention,

도5는 도3의 뼈고정판에 고정스크류를 삽입하여 사용하는 상태도이다.5 is a state diagram used by inserting the fixing screw to the bone fixing plate of FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

100, 200, 300 : 뼈고정판 110, 210, 310 : 통공100, 200, 300: bone fixing plate 110, 210, 310: through hole

111, 112 : 경사 가공면 211, 212, 311, 312 : 가공면111, 112: inclined machined surfaces 211, 212, 311, 312: machined surfaces

313 : 요입홈313: recessed groove

Claims (3)

고정스크류를 끼워 고정하는 다수의 통공이 길이방향을 따라 배열 형성된 뼈고정판에 있어서, In the bone fixing plate formed by arranging a plurality of through holes arranged along the longitudinal direction for fixing the fixing screw, 상기 고정스크류가 다양한 방향으로 기울어져 고정되도록 상기 통공에 가공면이 형성되어 중간이 얇은 돌출띠로 형성되어 있는 것을 특징으로 하는 뼈고정판.Bone fixing plate, characterized in that the processing surface is formed in the through-hole so that the fixing screw is fixed inclined in various directions, the middle is formed of a thin projection band. 고정스크류를 끼워 고정하는 다수의 통공이 길이방향을 따라 배열 형성된 뼈고정판에 있어서, In the bone fixing plate formed by arranging a plurality of through holes arranged along the longitudinal direction for fixing the fixing screw, 상기 고정스크류가 다양한 방향으로 기울어져 고정되도록 상기 통공에 경사 가공면이 형성되어 중간이 산형으로 형성되어 있는 것을 특징으로 하는 뼈고정판.Bone fixing plate, characterized in that the inclined processing surface is formed in the through hole so that the fixing screw is inclined in various directions to be fixed in the middle. 청구항 1 또는 청구항 2에 있어서,The method according to claim 1 or 2, 상기 고정스크류가 상기 통공의 내면 다수 곳에서 시작되어 끼워져 걸리도록 상기 통공에는 다수의 요입홈이 형성되어 있는 것을 특징으로 하는 뼈고정판.And a plurality of concave grooves are formed in the through holes so that the fixing screws are inserted and caught at a plurality of inner surfaces of the through holes.
KR1020090115987A 2009-11-27 2009-11-27 plate for fixing bone KR101200934B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101281603B1 (en) * 2011-10-25 2013-07-03 주식회사 비에스코렘 Multifunctional plate for osteosynthesis

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* Cited by examiner, † Cited by third party
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US7637928B2 (en) * 2004-01-26 2009-12-29 Synthes Usa, Llc Variable angle locked bone fixation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101281603B1 (en) * 2011-10-25 2013-07-03 주식회사 비에스코렘 Multifunctional plate for osteosynthesis

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