JP4874636B2 - 骨接続要素の挿入物の挿入装置および摘出装置並びに挿入物 - Google Patents
骨接続要素の挿入物の挿入装置および摘出装置並びに挿入物 Download PDFInfo
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- JP4874636B2 JP4874636B2 JP2005341705A JP2005341705A JP4874636B2 JP 4874636 B2 JP4874636 B2 JP 4874636B2 JP 2005341705 A JP2005341705 A JP 2005341705A JP 2005341705 A JP2005341705 A JP 2005341705A JP 4874636 B2 JP4874636 B2 JP 4874636B2
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- JP
- Japan
- Prior art keywords
- insert
- thread
- bar
- proximal
- hollow 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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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8875—Screwdrivers, spanners or wrenches
- A61B17/8886—Screwdrivers, spanners or wrenches holding the screw head
- A61B17/8888—Screwdrivers, spanners or wrenches holding the screw head at its central region
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Description
開口部3を形成する円筒形の、必ずしも円形ではない壁5、6の周囲には、面取り面領域7が配置され、これは、埋め込みの間に骨と反対に向くプレート1の上面8から内側に向かって広がり且つテーパしている。この領域7の形状は部分的に球形であることが好ましい。
摘出装置90の内側バー70は、中空スリーブ60の内径と同様で且つ中間要素91の内径と同様の外形を有するバー部分74を備えており、それにより開口部67/97の側から中間要素91の中へ且つ中空スリーブ60の中へ内側バー70をほとんど遊びなく挿入することができる。バー部分74は把持窪み75の突合わせフランジ76で終端している。
2:孔
3:中央開口部
4:軸
5:平行側壁
6:半円壁
7:表面領域
8:上面
9:底面
10:挿入物
11:中央孔
12:雌ねじ
15:上部縁
18:側面領域
21:表面
22:外周
23:球面
24:半円エクステンション
25:弾性エクステンション
26:スロット
27:突出リム
28:上向きショルダ
29:外側縁
33:凹部
50:摘出装置
60:外側スリーブ
61:中空スリーブ部分
62:第1のハンドル部分
63:突合わせスリーブ
64:突合わせリング
65:外周窪み
66:遠位セクション
67:開口部
68:雌ねじ
69:遠位端部
70:内側バー
71:係合ねじ山
72:第2のハンドル部分
73:近位バーセクション
74:遠位バー部分
75:外周窪み
76:突合わせフランジ
77:中間バー部分
78:ねじ込み部分
79:面取りフランジ
80:ねじ山
81:平らな表面
82:主軸
90:摘出装置
91:中間要素
92:把持部
93:貫通孔
94:中央突出部
95:凹部
97:開口部
98:雄ねじ
100:挿入装置
101:バー
102:ハンドル部分
103:円筒形先端部
104:底面
105:ねじ山
108:雌ねじ
109:突合わせフランジ
110:挿入物
121:平らな上面
122:段状凹部
124:角度
126:傾斜面
127:太さの増した領域
128:面
129:ウエスト
Claims (9)
- 挿入物(10、20)を保有する固定要素のための少なくとも1つの開口部(2)を持つ耐荷重要素(1)を有する埋め込み可能な整形外科用装置内で使用可能な骨接続要素と共に使用される前記挿入物(10、20)のための摘出装置(50、90)であって、前記摘出装置(50、90)は、
外側中空スリーブ(60)と、前記中空スリーブは、遠位導入開口部(67)と、挿入物(10)の周囲で前記耐荷重要素(1)の表面部分(8)と係合可能な近位突合わせ面(64)とを備え、前記中空スリーブ(60)は、前記遠位導入開口部(67)と前記近位突合わせ面(64)との間に雌ねじ(68、108)をさらに備え、
内側バー(70)とを具備してなり、前記バーは、前記中空スリーブ(60)の前記遠位導入開口部(67)の中への前記バー(70)の挿入を可能にする直径を有し、且つその近位端部に、摘出すべき挿入物(10)のねじ山(12)と係合する近位ねじ山(71)を備え、
または、前記内側バー(70)は、雄ねじ(78)、または前記内側バー(70)を収容する中央孔が設けられ且つ雄ねじ(98)を含む中間要素(91)をさらに備え、
雄ねじ(78、98)が前記中空スリーブ(60)の前記雌ねじ(68、108)と係合するように配置され、
前記雄ねじ(78、98)は近位ねじ山(71)から一定の長手方向の距離で前記バー(70)または前記中間要素(91)の上に配置され、それによって前記近位ねじ山(71)が前記近位突合わせ面(64)を越えて延伸して、前記挿入物(10)にねじ込まれることが可能となる、摘出装置。 - 前記バー(70)の前記近位ねじ山(71)は円錐状ねじ山である、請求項1に記載の装置。
- 突合わせフランジ(79)により、前記ねじ山(71)を前記バー(70)のより大きなバーセクション(73)と接続させる、請求項1または2に記載の装置。
- 前記内側バー(70)は、その遠位端部に、突合わせフランジ(76)を有するハンドル部分(72)を備える、請求項1、2または3に記載の装置。
- 前記中空スリーブ(60)は、その近位端部に、前記耐荷重要素(1)の表面(2)と係合する拡大突合わせセクション(63)を備える、請求項1乃至4のいずれかに記載の装置。
- 前記中空スリーブ(60)は、その遠位端部に、中空ハンドル部分(62)を備える、請求項1乃至5のいずれかに記載の装置。
- スリーブ(60)およびバー(70)のねじ(68および78)は、それぞれ前記装置(50)の中央から3分の2に近いところに配置される、請求項1乃至6のいずれかに記載の装置。
- スリーブ(60)およびバー(70)または中間要素(91)のねじ(68および78;108および98)は、前記内側バー(70)の先端部(71)のねじ山(80)と同じ回転方向を有する、請求項1乃至7のいずれかに記載の装置。
- 前記突合わせ面(64)は、円筒形リング、楕円形リングまたは多角形の細片である、請求項1乃至8のいずれかに記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04405741.2 | 2004-11-29 | ||
EP04405741A EP1661527B1 (en) | 2004-11-29 | 2004-11-29 | Extractor device for an insert for a bone connection element and insert |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006150081A JP2006150081A (ja) | 2006-06-15 |
JP4874636B2 true JP4874636B2 (ja) | 2012-02-15 |
Family
ID=34932387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005341705A Expired - Fee Related JP4874636B2 (ja) | 2004-11-29 | 2005-11-28 | 骨接続要素の挿入物の挿入装置および摘出装置並びに挿入物 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1661527B1 (ja) |
JP (1) | JP4874636B2 (ja) |
AT (1) | ATE389360T1 (ja) |
DE (1) | DE602004012579T2 (ja) |
ES (1) | ES2303037T3 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2627977C (en) * | 2005-11-02 | 2016-03-22 | Endogun Medical Systems Ltd. | Extracting device for surgical fasteners |
DE102009055826A1 (de) * | 2009-11-25 | 2011-05-26 | Universitätsklinikum Jena | Vorrichtung zur Plattenosteosynthese |
DE102013107881A1 (de) | 2013-07-23 | 2015-01-29 | Aesculap Ag | System zur Verankerung einer Pedikelschraube, zugehöriger Bausatz, Spacer und Pedikelaugmentat |
KR102238413B1 (ko) * | 2019-03-22 | 2021-04-09 | 경희대학교 산학협력단 | 정밀한 뼈수술을 위한 수술 가이드 시스템 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6041396A (ja) * | 1984-07-17 | 1985-03-05 | Matsushita Electric Ind Co Ltd | 音響装置 |
FR2763833B1 (fr) * | 1997-05-30 | 1999-08-06 | Materiel Orthopedique En Abreg | Outil de vissage d'une vis a deux parties filetees separees par une partie intermediaire de vissage |
DE19841252B4 (de) * | 1998-09-09 | 2006-01-26 | Aesculap Ag & Co. Kg | Einsetzinstrument für eine Knochenschraube |
JP4271300B2 (ja) * | 1999-07-05 | 2009-06-03 | グンゼ株式会社 | 医療用ドライバー |
US6702817B2 (en) * | 2001-01-19 | 2004-03-09 | Aesculap Ag & Co. Kg | Locking mechanism for a bone screw |
CN2543941Y (zh) * | 2002-02-01 | 2003-04-09 | 叶仲伦 | 开瓶器 |
JP2003265492A (ja) * | 2002-03-19 | 2003-09-24 | Robert Reed Shokai Co Ltd | インプラント用操作器具 |
WO2004100809A1 (en) * | 2003-05-08 | 2004-11-25 | Bickley Barry T | Fixation augmentation device and related techniques |
WO2004082493A1 (en) * | 2003-03-20 | 2004-09-30 | Stryker Trauma Sa | A bone connection device |
-
2004
- 2004-11-29 DE DE602004012579T patent/DE602004012579T2/de active Active
- 2004-11-29 EP EP04405741A patent/EP1661527B1/en not_active Not-in-force
- 2004-11-29 ES ES04405741T patent/ES2303037T3/es active Active
- 2004-11-29 AT AT04405741T patent/ATE389360T1/de not_active IP Right Cessation
-
2005
- 2005-11-28 JP JP2005341705A patent/JP4874636B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006150081A (ja) | 2006-06-15 |
DE602004012579T2 (de) | 2009-04-23 |
ATE389360T1 (de) | 2008-04-15 |
EP1661527A1 (en) | 2006-05-31 |
EP1661527B1 (en) | 2008-03-19 |
ES2303037T3 (es) | 2008-08-01 |
DE602004012579D1 (de) | 2008-04-30 |
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