JP5037677B2 - 荷重制御のためのバレル及びエンドキャップを備える股関節骨折装置 - Google Patents
荷重制御のためのバレル及びエンドキャップを備える股関節骨折装置 Download PDFInfo
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- JP5037677B2 JP5037677B2 JP2010503388A JP2010503388A JP5037677B2 JP 5037677 B2 JP5037677 B2 JP 5037677B2 JP 2010503388 A JP2010503388 A JP 2010503388A JP 2010503388 A JP2010503388 A JP 2010503388A JP 5037677 B2 JP5037677 B2 JP 5037677B2
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- Prior art keywords
- screw
- end cap
- friction pin
- head
- barrel
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Classifications
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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
- A61B17/84—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
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00858—Material properties high friction, non-slip
Description
Claims (12)
- 頭部及びシャフト部を有する、プレートと、
前記プレートの前記頭部から突出するバレルと、
該バレル内に挿入されるネジと、
該ネジと摺動可能に接続されるネジ山のない摩擦ピンと、
前記プレートの前記頭部に固定されるエンドキャップとを含む、
股関節骨折装置であって、
前記摩擦ピンは、前記エンドキャップと固定的に接続され、前記ネジは、荷重が当該股関節骨折装置に加えられるときに、前記エンドキャップに向かって前記摩擦ピンの上を摺動する、
骨折装置。 - 前記摩擦ピンの上の前記ネジのさらなる摺動のために必要とされる荷重は、前記ネジが前記エンドキャップに向かって摺動するに応じて増分的に増大する、請求項1に記載の骨折装置。
- 前記摩擦ピンは、
管状本体と、
該管状本体に形成されるスリットとを含む、
請求項1又は2に記載の骨折装置。 - 前記エンドキャップは、
頭部と、
該頭部から突出するシャフトとを含み、
該シャフトは、前記摩擦ピンの外表面と圧力嵌めを形成する大きさとされる盲ボアを有する、
請求項1乃至3のうちのいずれか1項に記載の骨折装置。 - 前記頭部上に形成される第一ネジ山と、
前記プレートの前記頭部のボアに形成される第二ネジ山とを更に含み、
前記第一ネジ山及び前記第二ネジ山は、噛み合うよう構成され、それによって、前記エンドキャップを前記プレートに固定する、
請求項4に記載の骨折装置。 - 前記エンドキャップに向かう前記ネジの移動の最大長さは、前記頭部から突出する前記シャフトの長さと反比例する、請求項4及び5のいずれか1項に記載の骨折装置。
- 前記ネジは、フランジを更に含み、前記バレルは、肩部を含み、前記フランジは、前記ネジが前記エンドキャップから可能な最も遠い距離にあるとき、前記肩部に対して位置する、請求項4乃至6のうちのいずれか1項に記載の骨折装置。
- 前記フランジが前記肩部に対して位置するときに前記ネジを回転することは、大腿骨頭部骨片と大腿骨との間の間隙を閉塞するために、大腿骨頭部骨片を大腿骨に向かって引っ張る、請求項1乃至7のうちのいずれか1項に記載の骨折装置。
- 前記プレートの前記頭部から突出する第二バレル及び第三バレルと、
前記第二バレル内に挿入される第二ネジ及び前記第三バレル内に挿入される第三ネジと、
前記第二ネジと摺動可能に接続されるネジ山のない第二摩擦ピン及び前記第三ネジと摺動可能に接続されるネジ山のない第三摩擦ピンと、
前記プレートの前記頭部に固定される第二エンドキャップ及び第三エンドキャップとを更に含み、
前記第二摩擦ピンは、前記第二エンドキャップと固定的に接続され、前記第三摩擦ピンは、前記第三エンドキャップと固定的に接続され、前記第二ネジ及び前記第三ネジは、荷重が当該骨折装置上に加えられるときに、前記エンドキャップに向かって前記第二摩擦ピン及び前記第三摩擦ピンの上をそれぞれ摺動する、
請求項1乃至8のうちのいずれか1項に記載の骨折装置。 - 前記摩擦ピン、前記第二摩擦ピン、及び、前記第三摩擦ピン上の前記ネジ、前記第二ネジ、及び、前記第三ネジのさらなる摺動のために必要とされる荷重は、それぞれ、前記ネジがそれぞれのエンドキャップに向かって摺動するに応じて増分的に増大する、請求項9に記載の骨折装置。
- 前記摩擦ピンは、前記第二摩擦ピン及び前記第三摩擦ピンと比べて異なる直径である、請求項9及び10のうちのいずれか1項に記載の骨折装置。
- 大腿骨の頭部と頚部との間の骨折を修復するためのキットであって、
少なくとも1つのプレートを含み、各プレートは、頭部と、シャフト部とを有し、開口が、前記頭部及び前記シャフト部に形成され、
前記頭部の前記開口に挿入するために構成される少なくとも1つのバレルを含み、
少なくとも2つのネジを含み、各ネジは、中心ボアを有し、各ボアは、異なる直径を有し、
少なくとも2つのネジ山のない摩擦ピンを含み、各摩擦ピンは、前記ネジの1つの前記中心ボアの1つの直径と一致する外径を有し、
少なくとも2つのエンドキャップを含み、各エンドキャップは、前記摩擦ピンの1つの直径と一致する第一ボアを有する、
キット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92539907P | 2007-04-19 | 2007-04-19 | |
US60/925,399 | 2007-04-19 | ||
PCT/EP2008/002892 WO2008128662A1 (en) | 2007-04-19 | 2008-04-11 | Hip fracture device with barrel and end cap for load control |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010523295A JP2010523295A (ja) | 2010-07-15 |
JP5037677B2 true JP5037677B2 (ja) | 2012-10-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010503388A Active JP5037677B2 (ja) | 2007-04-19 | 2008-04-11 | 荷重制御のためのバレル及びエンドキャップを備える股関節骨折装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8398636B2 (ja) |
EP (1) | EP2134278B1 (ja) |
JP (1) | JP5037677B2 (ja) |
CN (1) | CN101631505B (ja) |
AU (1) | AU2008241022B2 (ja) |
CA (1) | CA2676807C (ja) |
ES (1) | ES2393679T3 (ja) |
WO (1) | WO2008128662A1 (ja) |
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-
2008
- 2008-04-11 WO PCT/EP2008/002892 patent/WO2008128662A1/en active Search and Examination
- 2008-04-11 ES ES08748893T patent/ES2393679T3/es active Active
- 2008-04-11 US US12/082,691 patent/US8398636B2/en active Active
- 2008-04-11 JP JP2010503388A patent/JP5037677B2/ja active Active
- 2008-04-11 CN CN2008800050291A patent/CN101631505B/zh not_active Expired - Fee Related
- 2008-04-11 EP EP08748893A patent/EP2134278B1/en active Active
- 2008-04-11 CA CA2676807A patent/CA2676807C/en not_active Expired - Fee Related
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Also Published As
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ES2393679T3 (es) | 2012-12-27 |
CA2676807A1 (en) | 2008-10-30 |
AU2008241022A1 (en) | 2008-10-30 |
AU2008241022B2 (en) | 2011-03-10 |
WO2008128662A1 (en) | 2008-10-30 |
CA2676807C (en) | 2012-07-03 |
JP2010523295A (ja) | 2010-07-15 |
EP2134278B1 (en) | 2012-08-22 |
CN101631505B (zh) | 2011-11-23 |
US8398636B2 (en) | 2013-03-19 |
EP2134278A1 (en) | 2009-12-23 |
US20080269752A1 (en) | 2008-10-30 |
CN101631505A (zh) | 2010-01-20 |
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