JP2015531285A - 過剰締め付けを防止する骨ねじの固定装置 - Google Patents
過剰締め付けを防止する骨ねじの固定装置 Download PDFInfo
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- JP2015531285A JP2015531285A JP2015536044A JP2015536044A JP2015531285A JP 2015531285 A JP2015531285 A JP 2015531285A JP 2015536044 A JP2015536044 A JP 2015536044A JP 2015536044 A JP2015536044 A JP 2015536044A JP 2015531285 A JP2015531285 A JP 2015531285A
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- Japan
- Prior art keywords
- fixing device
- screw
- clamp sleeve
- bone screw
- sleeve
- 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.)
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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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
- A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/04—Force
- F04C2270/042—Force radial
- F04C2270/0421—Controlled or regulated
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
Description
(数1)
F=S+U ・・・(数式1)
(数2)
F/tan(β/2)=270°/360°*h ・・・(数式2)
(数3)
β=2*arctan(F/(0.75*h)) ・・・(数式3)
Claims (17)
- ホルダ(2)と、
骨ねじ(1)を収容するクランプスリーブ(3)と、を有し、
骨ねじ(1)が、先側にねじ部(11)を備えるシャンク(10)、ヘッド(13)、および第2のねじ部(12)を備える拡径部(15)を備え、
ホルダ(2)が、貫通穴(20)と、クランプスリーブ(3)が旋回可能に取り付けられる受け座(23)とを備え、
クランプスリーブ(3)が、その外側表面(30)に放射方向に突出する突起(34)を備えるとともに、その内側(31)に第2のねじ部(12)と係合する少なくとも一山のクランプ用ねじ部(32)を備え、
非クランプ状態において、遊び(F)がクランプスリーブ(3)上のクリアランスによって形成され、
突起(34)が、受け座(23)上のくぼみ(24)にポジティブロック状態で係合し、
拡径部(15)が円錐状であって後側に向かって拡がり、その円錐角(β)が、遊び(F)を円錐角の半分のタンジェント(tan(β/2))で割り算した値が第2のねじ部(12)のねじピッチ(h)の0.5〜2.5倍に相当するように、選択されている、固定装置。 - 遊び(F)が、拡径部(15)とクランプスリーブ(3)の内側(31)との間のギャップによって形成されるアンダーサイズ(U)を含んでいる、請求項1に記載の固定装置。
- 遊び(F)が、クランプスリーブ(3)と受け座(23)との間のクリアランス(S)を含んでいる、請求項1または2に記載の固定装置。
- 拡径部(15)とヘッド部(13)とが一体化されている、請求項1から3のいずれか一項に記載の固定装置。
- 骨ねじ(1)のシャンク(10)上におけるねじ部(11)のピッチと第2のねじ部(12)のピッチとが異なる、請求項1から4のいずれか一項に記載の固定装置。
- 第2のねじ部(12)のピッチの方が小さく、好ましくは0.4〜0.7倍小さい、請求項5に記載の固定装置。
- クランプスリーブ(3)の内側(31)が円筒状である、請求項1から6のいずれか一項に記載の固定装置。
- クランプスリーブの内側が円錐状であって、
拡径部の外側表面が円筒状である、請求項1から6のいずれか一項に記載の固定装置。 - クランプ用ねじ部(32)のピッチが、ねじ(1)のシャンク(10)上におけるねじ部(11)のピッチ(H)に対して、最大で3倍、好ましくは1.5倍である、請求項1から8のいずれか一項に記載の固定装置。
- クランプスリーブ(3)と受け座(23)との間の境界面が球状であり、特に、クランプスリーブ(3)の外側表面(30)が球状である、請求項1から9のいずれか一項に記載の固定装置。
- クランプスリーブ(3)が、1つのスロットを備える、請求項1から10のいずれか一項に記載の固定装置。
- 突起(34)が、クランプスリーブ3の最も幅が大きい部分、特にその赤道(35)上に設けられている、請求項1から11のいずれか一項に記載の固定装置。
- 突起(34)が、回転対称に構成されている、請求項1から12のいずれか一項に記載の固定装置。
- 突起(34)が、ドーム状、好ましくは半球状の先端を備えるように構成されている、請求項13に記載の固定装置。
- 突起(34)が、柱状、好ましくは円筒状の構造を備える、請求項13または14に記載の固定装置。
- 受け座(23)内のくぼみ(24)が、スロット状であって、貫通穴(20)の中心軸方向に延在する、請求項1から15のいずれか一項に記載の固定装置。
- 第2の突起(34’)が径方向の反対側に設けられ、
対応する第2のくぼみ(24’)が受け座(23)内に設けられる、請求項1から16のいずれか一項に記載の固定装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12007011.5 | 2012-10-10 | ||
EP12007011.5A EP2719348A1 (de) | 2012-10-10 | 2012-10-10 | Überdrehgesicherte Knochenschrauben-Fixationsanordnung |
PCT/EP2013/069584 WO2014056704A1 (de) | 2012-10-10 | 2013-09-20 | Überdrehgesicherte knochenschrauben-fixationsanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015531285A true JP2015531285A (ja) | 2015-11-02 |
JP6186441B2 JP6186441B2 (ja) | 2017-08-23 |
Family
ID=47137426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015536044A Expired - Fee Related JP6186441B2 (ja) | 2012-10-10 | 2013-09-20 | 過剰締め付けを防止する骨ねじの固定装置 |
Country Status (12)
Country | Link |
---|---|
US (1) | US9987064B2 (ja) |
EP (2) | EP2719348A1 (ja) |
JP (1) | JP6186441B2 (ja) |
KR (1) | KR20150087211A (ja) |
CN (1) | CN104902833B (ja) |
AU (1) | AU2013329733B2 (ja) |
BR (1) | BR112015007469A2 (ja) |
ES (1) | ES2626490T3 (ja) |
IL (1) | IL238078B (ja) |
MX (1) | MX356172B (ja) |
WO (1) | WO2014056704A1 (ja) |
ZA (1) | ZA201502335B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104970872B (zh) * | 2015-06-02 | 2018-11-27 | 北京纳通科技集团有限公司 | 一种脊柱固定装置 |
CN106264698A (zh) * | 2016-08-24 | 2017-01-04 | 苏州欣荣博尔特医疗器械有限公司 | 一种防拧出接骨螺钉 |
KR102048895B1 (ko) * | 2017-11-29 | 2019-12-03 | 에이블 주식회사 | 각도 조절 부싱을 가진 골 접합 플레이트 |
DE102019108777A1 (de) * | 2019-04-03 | 2020-10-08 | Osteobionix SL | Einrichtung zum Fixieren von Knochen |
DE102019116374A1 (de) * | 2019-06-17 | 2020-12-17 | Aesculap Ag | Teilweise blockierte Pedikelschraube II |
US11957394B2 (en) | 2020-02-27 | 2024-04-16 | J.M. Longyear Manufacturing, Llc | Screw caddy |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11500334A (ja) * | 1995-02-23 | 1999-01-12 | ジンテーズ アクチエンゲゼルシャフト クール | ボーン・プレートにボーン・スクリューを接続する挿入体 |
JP2005512725A (ja) * | 2001-12-24 | 2005-05-12 | ジンテーズ アクチエンゲゼルシャフト クール | 骨接合用装置 |
US20080306555A1 (en) * | 2007-06-07 | 2008-12-11 | Patterson Chad J | Bone screw washer |
US20080306550A1 (en) * | 2007-06-07 | 2008-12-11 | Matityahu Amir M | Spine repair assembly |
US20090062862A1 (en) * | 2007-07-03 | 2009-03-05 | Pioneer Surgical Technology, Inc. | Bone Plate System |
JP2010119638A (ja) * | 2008-11-20 | 2010-06-03 | Horikkusu:Kk | 骨接合装置 |
JP2011504408A (ja) * | 2008-11-21 | 2011-02-10 | ソルコ バイオメディカル シーオー.,エルティーディー. | 骨固定装置 |
DE102010042930A1 (de) * | 2010-10-26 | 2012-04-26 | Dieter Marquardt Medizintechnik Gmbh | Osteosynthesevorrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US7195633B2 (en) | 2004-01-08 | 2007-03-27 | Robert J. Medoff | Fracture fixation system |
CA2626145A1 (en) * | 2005-10-25 | 2007-05-03 | Anthem Orthopaedics Llc | Bone fastening assembly and bushing and screw for use therewith |
WO2009006604A1 (en) * | 2007-07-03 | 2009-01-08 | Pioneer Surgical Technology, Inc. | Bone plate system |
WO2013143558A1 (de) | 2012-03-28 | 2013-10-03 | Facet-Link Inc. | Verstärkungs-implantat für lamina mit einem freitragenden brückenteil |
BR112015003783B1 (pt) * | 2012-08-22 | 2021-06-01 | Synthes Gmbh | Ligação configurada para uso em um sistema âncora-em-âncora e sistema âncora-em- âncora |
-
2012
- 2012-10-10 EP EP12007011.5A patent/EP2719348A1/de not_active Withdrawn
-
2013
- 2013-09-20 KR KR1020157011792A patent/KR20150087211A/ko not_active Application Discontinuation
- 2013-09-20 WO PCT/EP2013/069584 patent/WO2014056704A1/de active Application Filing
- 2013-09-20 CN CN201380053050.XA patent/CN104902833B/zh not_active Expired - Fee Related
- 2013-09-20 ES ES13766275.5T patent/ES2626490T3/es active Active
- 2013-09-20 JP JP2015536044A patent/JP6186441B2/ja not_active Expired - Fee Related
- 2013-09-20 EP EP13766275.5A patent/EP2906131B1/de not_active Not-in-force
- 2013-09-20 US US14/435,102 patent/US9987064B2/en active Active
- 2013-09-20 MX MX2015004417A patent/MX356172B/es active IP Right Grant
- 2013-09-20 BR BR112015007469A patent/BR112015007469A2/pt not_active Application Discontinuation
- 2013-09-20 AU AU2013329733A patent/AU2013329733B2/en not_active Ceased
-
2015
- 2015-04-01 IL IL238078A patent/IL238078B/en not_active IP Right Cessation
- 2015-04-08 ZA ZA2015/02335A patent/ZA201502335B/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11500334A (ja) * | 1995-02-23 | 1999-01-12 | ジンテーズ アクチエンゲゼルシャフト クール | ボーン・プレートにボーン・スクリューを接続する挿入体 |
JP2005512725A (ja) * | 2001-12-24 | 2005-05-12 | ジンテーズ アクチエンゲゼルシャフト クール | 骨接合用装置 |
US20080306555A1 (en) * | 2007-06-07 | 2008-12-11 | Patterson Chad J | Bone screw washer |
US20080306550A1 (en) * | 2007-06-07 | 2008-12-11 | Matityahu Amir M | Spine repair assembly |
US20090062862A1 (en) * | 2007-07-03 | 2009-03-05 | Pioneer Surgical Technology, Inc. | Bone Plate System |
JP2010119638A (ja) * | 2008-11-20 | 2010-06-03 | Horikkusu:Kk | 骨接合装置 |
JP2011504408A (ja) * | 2008-11-21 | 2011-02-10 | ソルコ バイオメディカル シーオー.,エルティーディー. | 骨固定装置 |
DE102010042930A1 (de) * | 2010-10-26 | 2012-04-26 | Dieter Marquardt Medizintechnik Gmbh | Osteosynthesevorrichtung |
Also Published As
Publication number | Publication date |
---|---|
BR112015007469A2 (pt) | 2017-07-04 |
MX356172B (es) | 2018-05-17 |
WO2014056704A1 (de) | 2014-04-17 |
ES2626490T3 (es) | 2017-07-25 |
CN104902833A (zh) | 2015-09-09 |
ZA201502335B (en) | 2016-01-27 |
JP6186441B2 (ja) | 2017-08-23 |
AU2013329733A1 (en) | 2015-05-14 |
US20150230845A1 (en) | 2015-08-20 |
EP2906131A1 (de) | 2015-08-19 |
IL238078B (en) | 2018-06-28 |
EP2719348A1 (de) | 2014-04-16 |
MX2015004417A (es) | 2015-10-15 |
KR20150087211A (ko) | 2015-07-29 |
EP2906131B1 (de) | 2017-04-12 |
CN104902833B (zh) | 2017-07-11 |
AU2013329733B2 (en) | 2017-08-17 |
US9987064B2 (en) | 2018-06-05 |
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