[go: up one dir, main page]

WO2005074823A1 - Appareil de fixation osseuse - Google Patents

Appareil de fixation osseuse Download PDF

Info

Publication number
WO2005074823A1
WO2005074823A1 PCT/KR2005/000325 KR2005000325W WO2005074823A1 WO 2005074823 A1 WO2005074823 A1 WO 2005074823A1 KR 2005000325 W KR2005000325 W KR 2005000325W WO 2005074823 A1 WO2005074823 A1 WO 2005074823A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
head
receiver member
bone screw
bone
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/KR2005/000325
Other languages
English (en)
Inventor
Kyung-Tae Kim
Jung-Sung Kim
Byung-Soo Kim
Tae-Jin Shin
Joon-Kyu Park
Weon-Wook Park
Ki-Chan An
Sang-Hoon Lee
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.)
Medixalign Co Ltd
Original Assignee
Medixalign 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 Medixalign Co Ltd filed Critical Medixalign Co Ltd
Publication of WO2005074823A1 publication Critical patent/WO2005074823A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
    • 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
    • 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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03—Automatic limiting or abutting means, e.g. for safety
    • A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter

Definitions

  • the present invention relates to a bone fixation apparatus adapted for use in fixing and
  • No. 2000-48562 includes a bone screw (10) having a spherical head (12), a cap for
  • the receiving member (18) has a center bore for limiting a tapered recess
  • the receiving member (18) for accommodating the cap (14).
  • the receiving member (18) further has a U-
  • the set screw (20) is threadedly coupled to the receiver member (18) to fix the support bar (R).
  • the head (12) of the bone screw (10) is formed with a tool-engaging recess (22) in
  • the tool engagement recess (22) is defined on a flat
  • U-shaped channel is defined with internal threads (26) for the set screw (20) to be
  • the cap (14) is formed at a rear surface
  • cap (14) is in turn squeezed within the tapered recess (16) of the receiver member (18),
  • Patent Laid-open Publication No.2000-48562 in that the head (12) accommodated in
  • the tapered recess (16) cannot fully adhere to the recess (16) such that the bone
  • fixation apparatus can be easily moved by an external force or torsional force applied
  • the present invention is disclosed to solve the afore-mentioned problem and it is an
  • object of the present invention to provide a bone fixation apparatus configured to
  • fixation apparatus comprising: a bone screw having a head; a cap for supporting the
  • a bar fixing nut threadedly coupled to the receiver member to fix
  • the cap has a shape of a belleville spring in which a diameter
  • bush is formed thereon with a channel having inclined surfaces at both inner sides
  • receiver member in a manner such that an inner portion of the receiver member can be
  • FIG. 1 is a an assembled exemplary cross-sectional view illustrating a conventional
  • FIG. 2 is an assembled cross-sectional view illustrating a bone fixation apparatus
  • FIG. 3 is an elevation illustrating a partially-cut upper end of a bone screw of FIG. 2;
  • FIG. 4 is a cross-sectional view illustrating a receiver member of FIG. 2;
  • FIG. 5 is a cross-sectional view illustrating a cap of FIG. 2;
  • FIG. 6 is a plan illustrating a compression bush of FIG. 2;
  • FIG. 7 is a cross-sectional elevation illustrating the compression bush of FIG. 2.
  • FIG. 8 is a right side view illustrating the compression bush of FIG. 2.
  • the bone fixation apparatus includes a bone screw (50) having a
  • compression bush (70) for compressing the cap (60).
  • a receiver member (80) for adjusting the compression bush (70) for compressing the cap (60).
  • the bone screw (50) has the head (52) and a threaded
  • the head (52) of the bone screw (50) has a truncated sphere-shaped configuration.
  • a hexagonal groove (56) of a predetermined depth is defined on the flat upper end
  • the head may
  • surface of the head (52) may be formed with knurls in order to increase the frictional
  • a lower end of the threaded portion (54) is pointed for easy penetration into the bone.
  • the bone screw is apt to loose because the fixing force is gradually decreased due to repetitive application of external force and the like.
  • the bone screw from being reduced.
  • the cap (60) is centrally formed with a hole (62)
  • the cap (60) is further formed thereon with an inclined upper surface (66)
  • the cap (60) is inclined in such
  • the cap (60) substantially has a belleville spring-shape configuration in which the diameter of the lower end is smaller than that of the upper end.
  • the cap (60) is formed thereon with an inclined upper surface
  • the curvature (64) of the cap (60) may be formed with knurls in order to
  • the cap (60) may
  • the compression bush (70) is
  • the compression bush (70) is centrally formed with a
  • the compression bush (70) is further defined at both external sides
  • the channel (72) is
  • the receiver member (80) has a bore (82) which extends in an
  • the receiver member (80) further has a U-shaped channel (84) through
  • the receiver member (80) still further has at an
  • the bore (82) includes a head hitching unit (82a) formed at an inner lower surface
  • the head hitching unit (82a) is formed thereunder with a
  • Each internal thread of the screw unit (82c) has a trapezoidal configuration in order to
  • the receiver member (80) widens in a radial direction after
  • the trapezoidal thread has an upper surface which is formed to have a slope (FI) greater than a slope (F2) of a lower surface, whereby the bar fixation nut (90) can
  • fixation nut (90) can be easily screwed. Also, unscrewing is avoided even when force
  • the bar fixation nut (90) has a cylinder-shaped configuration with threads formed on
  • the threads are threadedly coupled to the circumferential outer surface thereof.
  • the bone screw (50) is inserted into the bore (82) of the receiver member (80) in a
  • the support bar (R) is made to pass
  • the compression bush (70) is allowed to be accommodated on the upper side of the
  • the bar fixation nut (90) is tightened to fix the bone screw (50).
  • the locking force of the bar fixation nut (90) is transferred to the head (52) through the
  • (50) is increased through which the bone screw is prevented from moving, and is securely fixed against movement.
  • the head (52) is defined with
  • the bone fixation apparatus provides advantages in that a cap has a shape of a
  • belleville spring in which a diameter of a lower end is smaller than that of an upper
  • the present invention is fully brought into contact with the head to generate a strong

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Neurology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (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

L'invention concerne un appareil de fixation osseuse comprenant : une vis à os pourvue d'une tête ; un capuchon destiné à soutenir le sommet de ladite tête ; une bague de compression destinée à pousser le capuchon ; un élément de réception pourvu d'un alésage dans lequel sont accueillis le capuchon et la bague de compression, et dans lequel vient s'insérer la tête de vis, et d'un canal en forme de U à travers lequel passe une barre de support ; ainsi qu'un écrou de fixation de barre couplé fileté à l'élément de réception, de sorte à fixer la barre de support. Le capuchon présente la forme d'un ressort Belleville. Le diamètre de l'extrémité inférieure dudit ressort est inférieur à celui de l'extrémité supérieure. La surface supérieure du ressort est inclinée de manière concave dans le sens intérieur radial, et son côté inférieur présente une courbure venant en contact avec une surface circonférentielle extérieure de la tête.
PCT/KR2005/000325 2004-02-09 2005-02-03 Appareil de fixation osseuse Ceased WO2005074823A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040008327A KR100589728B1 (ko) 2004-02-09 2004-02-09 뼈 고정장치
KR10-2004-0008327 2004-02-09

Publications (1)

Publication Number Publication Date
WO2005074823A1 true WO2005074823A1 (fr) 2005-08-18

Family

ID=34836708

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2005/000325 Ceased WO2005074823A1 (fr) 2004-02-09 2005-02-03 Appareil de fixation osseuse

Country Status (2)

Country Link
KR (1) KR100589728B1 (fr)
WO (1) WO2005074823A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942907B2 (en) 2008-09-09 2011-05-17 Richelsoph Marc E Polyaxial screw assembly
US8998965B2 (en) 2006-11-17 2015-04-07 Biedermann Technologies Gmbh & Co. Kg Bone anchoring device
US9060818B2 (en) 2011-09-01 2015-06-23 DePuy Synthes Products, Inc. Bone implants
CN105534584A (zh) * 2015-12-31 2016-05-04 曾析非 一种微动态椎弓根钉
CN105534583A (zh) * 2016-02-02 2016-05-04 薛妹妹 一种自动复位的椎弓根钉
US9456851B2 (en) 2007-10-23 2016-10-04 Intelligent Implant Systems, Llc Spinal implant
US9526531B2 (en) 2013-10-07 2016-12-27 Intelligent Implant Systems, Llc Polyaxial plate rod system and surgical procedure

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008070840A1 (fr) * 2006-12-07 2008-06-12 Alpinespine Llc Ensemble à vis pédiculaire engageable par pression
US9314346B2 (en) 2007-02-12 2016-04-19 Brigham Young University Spinal implant
US8308801B2 (en) 2007-02-12 2012-11-13 Brigham Young University Spinal implant
US9232965B2 (en) 2009-02-23 2016-01-12 Nexus Spine, LLC Press-on link for surgical screws
US8894687B2 (en) 2011-04-25 2014-11-25 Nexus Spine, L.L.C. Coupling system for surgical construct
US12446928B2 (en) 2011-04-25 2025-10-21 Nexus Spine, LLC Surgical construct coupling system
KR100915140B1 (ko) * 2008-12-31 2009-09-03 주식회사 디오메디칼 이탈방지 및 결속력이 강화된 척추고정장치
CA2743721A1 (fr) 2009-02-19 2010-08-26 Anton E. Bowden Implant spinal dynamique elastique
US9157497B1 (en) 2009-10-30 2015-10-13 Brigham Young University Lamina emergent torsional joint and related methods
KR200448952Y1 (ko) * 2010-02-04 2010-06-09 (주)메코텍 치과 임플란트용 픽스츄어 지지부시
KR101287514B1 (ko) 2010-10-15 2013-07-18 김민석 복합 나사산을 가지는 세트스크루 및 이를 이용한 척추고정장치
WO2012177412A2 (fr) 2011-06-07 2012-12-27 Brigham Young University Dispositif de stabilisation rachidienne en serpentin
US9642651B2 (en) 2014-06-12 2017-05-09 Brigham Young University Inverted serpentine spinal stability device and associated methods
KR102324934B1 (ko) 2019-10-29 2021-11-11 (주)서한케어 척추고정장치
KR20220073976A (ko) 2020-11-27 2022-06-03 (주) 서한케어 척추고정장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443467A (en) * 1993-03-10 1995-08-22 Biedermann Motech Gmbh Bone screw
US5554157A (en) * 1995-07-13 1996-09-10 Fastenetix, L.L.C. Rod securing polyaxial locking screw and coupling element assembly
US5674176A (en) * 1995-02-16 1997-10-07 Entact, Inc. Method for treatment of solid waste to minimize heavy metals
WO1998012977A1 (fr) * 1996-09-24 1998-04-02 Sdgi Holdings, Inc. Ensemble vis osseuse multi-axial
KR20040045628A (ko) * 2002-11-25 2004-06-02 유앤아이 주식회사 뼈 고정장치와 조립방법 및 시술 공구

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443467A (en) * 1993-03-10 1995-08-22 Biedermann Motech Gmbh Bone screw
US5674176A (en) * 1995-02-16 1997-10-07 Entact, Inc. Method for treatment of solid waste to minimize heavy metals
US5554157A (en) * 1995-07-13 1996-09-10 Fastenetix, L.L.C. Rod securing polyaxial locking screw and coupling element assembly
WO1998012977A1 (fr) * 1996-09-24 1998-04-02 Sdgi Holdings, Inc. Ensemble vis osseuse multi-axial
KR20040045628A (ko) * 2002-11-25 2004-06-02 유앤아이 주식회사 뼈 고정장치와 조립방법 및 시술 공구

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8998965B2 (en) 2006-11-17 2015-04-07 Biedermann Technologies Gmbh & Co. Kg Bone anchoring device
US9456851B2 (en) 2007-10-23 2016-10-04 Intelligent Implant Systems, Llc Spinal implant
US7942907B2 (en) 2008-09-09 2011-05-17 Richelsoph Marc E Polyaxial screw assembly
US9421041B2 (en) 2008-09-09 2016-08-23 Marc E. Richelsoph Polyaxial screw assembly
US9433440B2 (en) 2008-09-09 2016-09-06 Intelligent Implant Systems Llc Polyaxial screw assembly
US9603629B2 (en) 2008-09-09 2017-03-28 Intelligent Implant Systems Llc Polyaxial screw assembly
US9060818B2 (en) 2011-09-01 2015-06-23 DePuy Synthes Products, Inc. Bone implants
US9814506B2 (en) 2011-09-01 2017-11-14 DePuy Synthes Products, Inc. Bone implants
US9526531B2 (en) 2013-10-07 2016-12-27 Intelligent Implant Systems, Llc Polyaxial plate rod system and surgical procedure
US9956010B2 (en) 2013-10-07 2018-05-01 Intelligent Implant Systems, Llc Polyaxial plate rod system and surgical procedure
CN105534584A (zh) * 2015-12-31 2016-05-04 曾析非 一种微动态椎弓根钉
CN105534583A (zh) * 2016-02-02 2016-05-04 薛妹妹 一种自动复位的椎弓根钉

Also Published As

Publication number Publication date
KR100589728B1 (ko) 2006-06-15
KR20050080493A (ko) 2005-08-12

Similar Documents

Publication Publication Date Title
WO2005074823A1 (fr) Appareil de fixation osseuse
KR100359666B1 (ko) 정착부재와그를위한조정공구
EP1439788B1 (fr) Appareil de fixation d'os
KR101260512B1 (ko) 뼈 고정 장치
US20040102781A1 (en) Bone fixation apparatus, method and tool for assembling the same
US9895173B2 (en) Element with a shank and a holding element connected to it for connecting to a rod
US6039738A (en) Fastener
US5672176A (en) Anchoring member
US6896677B1 (en) Rotary device for retrieving spinal column under treatment
US8034089B2 (en) Bone anchoring device
US9788865B2 (en) Bone anchoring device
US6248104B1 (en) Apparatus for osteosynthesis comprising a connector of the spinal pin and the anchoring elements
US5961517A (en) Anchoring member and adjustment tool therefor
EP2016916B1 (fr) Dispositif d'ancrage d'os
US20130138156A1 (en) Osteosynthesis device
US20080058811A1 (en) Bone fixation apparatus
WO2012166926A1 (fr) Vis à pédicule polyaxiale
JP2010500560A (ja) 荷重指示式留め具および製造の方法
EP1570794A1 (fr) Système de fixation osseuse, et son outil et procédé d'assemblage correspondant
US12016597B2 (en) Polyaxial screw and locking cap
WO2018061005A1 (fr) Systèmes de fixation avec prévention de sur-serrage et de desserrage
EP0888754A1 (fr) Elément de fixation pour l'ostéosynthèse
US8016533B2 (en) Lock nut with low on/high off torque control

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 69(1) EPC DATED 13-11-06

122 Ep: pct application non-entry in european phase