JP4166710B2 - 骨接合用インプラント - Google Patents
骨接合用インプラント Download PDFInfo
- Publication number
- JP4166710B2 JP4166710B2 JP2004014205A JP2004014205A JP4166710B2 JP 4166710 B2 JP4166710 B2 JP 4166710B2 JP 2004014205 A JP2004014205 A JP 2004014205A JP 2004014205 A JP2004014205 A JP 2004014205A JP 4166710 B2 JP4166710 B2 JP 4166710B2
- Authority
- JP
- Japan
- Prior art keywords
- osteosynthesis
- ring
- implant
- annular groove
- screw
- 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.)
- Expired - Fee Related
Links
- 239000007943 implant Substances 0.000 title claims description 34
- 210000000988 bone and bone Anatomy 0.000 claims description 36
- 210000002758 humerus Anatomy 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 2
- 206010020462 Humerus fracture Diseases 0.000 description 2
- 230000001054 cortical effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000007981 Humeral Fractures Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/7241—Intramedullary pins, nails or other devices with special means of locking the nail to the bone the nail having separate elements through which screws pass
-
- 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
- A61B17/72—Intramedullary pins, nails or other 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
- A61B17/74—Devices for the head or neck or trochanter of the femur
-
- 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
Landscapes
- 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)
- Prostheses (AREA)
Description
14、16、18、20 … ねじ孔
22、24、26 … 固定リング
28 … 骨ねじ
Claims (15)
- 少なくとも1つのねじ孔を持つインプラント体と、インプラント体の固定のために骨へねじ込まれる際にそのねじ孔と係合する骨ねじとを備える骨接合用インプラントであって、ねじ孔(14〜20)がそのねじ山の外径より大きい直径の環状溝(46)を有し、環状溝が、骨ねじ(28)のねじ山(34)の外径より大きい内径を持つ変形可能な材料のリング(22、24、26)を受け入れることを特徴とする骨接合用インプラント。
- ねじ孔(14)が入口端と出口端(36、38)を持ち、環状溝(46)が出口端(38)付近に位置することを特徴とする請求項1に記載の骨接合用インプラント。
- 環状溝(46)と出口端(38)の間の孔部分(48)が非ねじ部であることを特徴とする請求項2に記載の骨接合用インプラント。
- 入口端(36)付近の孔部分(42)が非ねじ部であることを特徴とする請求項1から3のいずれかに記載の骨接合用インプラント。
- 非ねじ部(42、48)の直径が孔のねじ山(44)の外径よりわずかに大きいことを特徴とする請求項3および4に記載の骨接合用インプラント。
- 環状溝(46)の横断面が矩形であることを特徴とする請求項1から5のいずれかに記載の骨接合用インプラント。
- リング(22、24、26)が弾性変形するプラスチックで形成されることを特徴とする請求項1から6のいずれかに記載の骨接合用インプラント。
- リング(22、24、26)が割り型であり、緩んだ状態でリングの両端が互いに対して間隔をおいていることを特徴とする請求項1から7のいずれかに記載の骨接合用インプラント。
- リング(22)の両端(50、52)が斜めで、同じ傾斜角がを持つことを特徴とする請求項8に記載の骨接合用インプラント。
- リング(22)の内縁が面取り(54、56)を形成していることを特徴とする請求項1から9のいずれかに記載の骨接合用インプラント。
- リング(22)の幅が環状溝(46)の幅よりわずかに小さいことを特徴とする請求項1から10のいずれかに記載の骨接合用インプラント。
- リング(22)の外径が、緩んだ状態で、環状溝(46)の直径よりわずかに大きいことを特徴とする請求項8から11のいずれかに記載の骨接合用インプラント。
- インプラント体が骨くぎであることを特徴とする請求項1から12のいずれかに記載の骨接合用インプラント。
- 骨くぎが連結くぎであることを特徴とする請求項13に記載の骨接合用インプラント。
- くぎが上腕骨くぎ(10)であり、その基部(12)に横孔(14、16、18、20)を形成し、横孔の軸心が互いに周方向にオフセットしていることを特徴とする請求項13または14に記載の骨接合用インプラント。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20300987U DE20300987U1 (de) | 2003-01-23 | 2003-01-23 | Implantat für die Osteosynthese |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004223260A JP2004223260A (ja) | 2004-08-12 |
JP4166710B2 true JP4166710B2 (ja) | 2008-10-15 |
Family
ID=7979329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004014205A Expired - Fee Related JP4166710B2 (ja) | 2003-01-23 | 2004-01-22 | 骨接合用インプラント |
Country Status (5)
Country | Link |
---|---|
US (4) | US7247157B2 (ja) |
EP (1) | EP1440664B1 (ja) |
JP (1) | JP4166710B2 (ja) |
DE (2) | DE20300987U1 (ja) |
ES (1) | ES2286377T3 (ja) |
Cited By (1)
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---|---|---|---|---|
US8077307B2 (en) | 2008-04-09 | 2011-12-13 | Orbotech Ltd. | Illumination system for optical inspection |
Families Citing this family (90)
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DE50107716D1 (de) * | 2001-12-24 | 2005-11-17 | Synthes Ag | Vorrichtung für die osteosynthese |
DE20213166U1 (de) * | 2002-08-28 | 2004-01-08 | Stryker Trauma Gmbh | Humerusnagel |
DE20300987U1 (de) | 2003-01-23 | 2003-04-10 | stryker Trauma GmbH, 24232 Schönkirchen | Implantat für die Osteosynthese |
WO2004096067A2 (en) * | 2003-04-29 | 2004-11-11 | Grampian University Hospitals Nhs Trust | Bone fixture apparatus |
DE10320855B4 (de) * | 2003-05-09 | 2008-08-14 | Aesculap Ag & Co. Kg | Implantat mit einer Gewindebohrung für eine Knochenschraube |
ES2379877T3 (es) * | 2003-12-01 | 2012-05-04 | Smith & Nephew, Inc. | Clavo humeral con un inserto para fijar un tornillo |
US20060015115A1 (en) | 2004-03-08 | 2006-01-19 | Haines Timothy G | Methods and apparatus for pivotable guide surfaces for arthroplasty |
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ATE390893T1 (de) * | 2004-02-23 | 2008-04-15 | Synthes Gmbh | Knochenschraube |
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DE102006026590B3 (de) * | 2006-05-31 | 2008-01-03 | Aesculap Ag & Co. Kg | Implantat |
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-
2003
- 2003-01-23 DE DE20300987U patent/DE20300987U1/de not_active Expired - Lifetime
- 2003-12-20 DE DE50307231T patent/DE50307231D1/de not_active Expired - Lifetime
- 2003-12-20 ES ES03029512T patent/ES2286377T3/es not_active Expired - Lifetime
- 2003-12-20 EP EP03029512A patent/EP1440664B1/de not_active Expired - Lifetime
-
2004
- 2004-01-12 US US10/755,815 patent/US7247157B2/en active Active
- 2004-01-22 JP JP2004014205A patent/JP4166710B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-05 US US11/810,180 patent/US20070239164A1/en not_active Abandoned
-
2010
- 2010-04-05 US US12/754,025 patent/US8241287B2/en not_active Expired - Fee Related
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8077307B2 (en) | 2008-04-09 | 2011-12-13 | Orbotech Ltd. | Illumination system for optical inspection |
Also Published As
Publication number | Publication date |
---|---|
US8672940B2 (en) | 2014-03-18 |
ES2286377T3 (es) | 2007-12-01 |
DE50307231D1 (de) | 2007-06-21 |
US20070239164A1 (en) | 2007-10-11 |
US8241287B2 (en) | 2012-08-14 |
EP1440664B1 (de) | 2007-05-09 |
EP1440664A3 (de) | 2004-08-04 |
JP2004223260A (ja) | 2004-08-12 |
DE20300987U1 (de) | 2003-04-10 |
US20130012943A1 (en) | 2013-01-10 |
US20040158252A1 (en) | 2004-08-12 |
US7247157B2 (en) | 2007-07-24 |
EP1440664A2 (de) | 2004-07-28 |
US20100191240A1 (en) | 2010-07-29 |
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