JP5878014B2 - 橈骨骨折部の骨片を内固定するための器具 - Google Patents
橈骨骨折部の骨片を内固定するための器具 Download PDFInfo
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- JP5878014B2 JP5878014B2 JP2011516222A JP2011516222A JP5878014B2 JP 5878014 B2 JP5878014 B2 JP 5878014B2 JP 2011516222 A JP2011516222 A JP 2011516222A JP 2011516222 A JP2011516222 A JP 2011516222A JP 5878014 B2 JP5878014 B2 JP 5878014B2
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- 210000000988 bone and bone Anatomy 0.000 title claims description 59
- 239000012634 fragment Substances 0.000 title claims description 42
- 208000027790 Rib fracture Diseases 0.000 title claims description 22
- 206010017076 Fracture Diseases 0.000 claims description 27
- 208000010392 Bone Fractures Diseases 0.000 claims description 26
- 238000004873 anchoring Methods 0.000 claims description 11
- 206010037802 Radius fracture Diseases 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000011295 pitch Substances 0.000 description 6
- 210000000707 wrist Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002601 radiography Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000037390 scarring Effects 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000000236 metacarpal bone Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
-
- 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
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1728—Guides or aligning means for drills, mills, pins or wires for holes for bone plates or plate screws
-
- 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
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- 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
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- 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)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
Claims (20)
- 器具が、橈骨骨折部(4)の骨片(2、3)に隣接させる少なくとも1つの本体(1)と、前記骨片を固定するために前記本体にロックされることが意図される固定要素(6、7)を含み、
前記本体(1)が、前記固定要素6用に少なくとも2つの穴(8)を遠位端部(1a)に有し、前記固定要素(7)用に少なくとも2つの穴(9)を近位端部(1b)に有する、
橈骨骨折部(4)の骨片(2、3)を内固定するための器具であって、
前記橈骨骨折部(5)の前記骨片(2、3)に前記本体の遠位端部(1a)及び近位端部(1b)の穴(8、9)を介して前記骨片に挿入される全ての前記固定要素(6、7)が前記本体の横断方向からみた時に前記橈骨骨折部を横切るように、前記穴(8、9)が前記本体(1)の長手軸(L)に対して斜めに空いており、
各固定要素(6、7)が、橈骨骨折部(4)の骨片(2、3)中で固定要素をロックするため及び前記本体(1)に前記固定要素をロックするための少なくとも1つの固定部(10;10a、10b)を有し、
前記本体(1)の前記近位端部(1b)の前記穴(9)を介して挿入される近位固定要素たる前記固定要素(7)が、一つの平面内に位置するように、前記穴(9)が本体の長手軸(L)に対して斜めに空いており、
前記本体(1)の前記遠位端部(1a)の穴(8)を介して挿入される遠位固定要素たる前記固定要素(6)が前記近位固定要素(7)を含む平面の中に包含されないように、前記穴(8)が前記本体の長手軸(L)に対して斜めに空いており、
前記遠位固定要素(6)が、前記近位固定要素(7)を含む平面によって画定される二つの領域の各々の側に少なくとも一つずつ以上延在し、そして
前記本体の遠位端部(1a)の穴(8)を介して挿入される前記遠位固定要素(6)が、前記本体の近位端部(1b)の穴(9)を介して挿入される前記近位固定要素(7)と交差するように、前記穴(8、9)が前記本体(1)の長手軸(L)に対して斜めに空いていることを特徴とする、器具。 - 前記穴(8、9)が、一つの平面であって、前記本体(1)の長手軸(L)を含むか、または前記本体(1)の長手軸(L)に平行であり、且つ前記本体(1)中で共通する平面内に配置されていることを特徴とする、請求項1に記載の器具。
- 前記遠位固定要素(6)の少なくとも1つ及び前記近位固定要素(7)の少なくとも1つが橈骨骨折部(4)の略中心で交差することを特徴とする、請求項1又は2に記載の器具。
- 前記本体(1)の前記遠位端部(1a)の遠位穴たる前記穴(8)が、前記本体の長手軸(L)に対して略45°の角度で斜めに空いており、前記本体の近位端部(1b)の近位穴たる前記穴(9)が前記本体の長手軸に対して略45〜50°の角度で斜めに空いていることを特徴とする、請求項1〜3のいずれか一項に記載の器具。
- 前記本体(1)の前記各端部(1a、1b)の前記穴(8、9)が前記本体の横断方向から見て互いに略平行に空いていることを特徴とする、請求項1〜4のいずれか一項に記載の器具。
- 前記遠位固定要素(6)が、前記近位固定要素(7)を含む平面の各々の側で、前記近位固定要素(7)を含む平面に対して同じ角度をなして延びることを特徴とする、請求項1に記載の器具。
- 前記本体(1)の厚さが約3mmであることを特徴とする、請求項1〜6のいずれか一項に記載の器具。
- 前記本体の厚さが約2mmであり、前記本体が、前記遠位穴(8)又は前記近位穴(9)それぞれの周辺領域で起伏した形状(12)をしていることを特徴とする、請求項1〜6のいずれか一項に記載の器具。
- 前記本体(1)がその長手方向に湾曲した形状をしていることを特徴とする、請求項1〜8のいずれか一項に記載の器具。
- 前記本体(1)の前記端部(1a、1b)の一方又は両方が面取りされていることを特徴とする、請求項1〜9のいずれか一項に記載の器具。
- 前記各固定要素(6、7)の前記固定部が、前記骨片(2、3)及び前記本体(1)に固定要素を螺挿するためにねじ部(10)の形態を取ることを特徴とする、請求項1〜10のいずれか一項に記載の器具。
- 前記ねじ部(10)に、固定要素の先端(6b、7b)に向かってピッチが大きくなるように固定要素の長手方向でピッチが変わるネジ切り部が設けられていることを特徴とする、請求項11に記載の器具。
- 前記各固定要素(6、7)の前記固定部(10)が2つの別個のねじ部(10a、10b)の形態、すなわち、前記骨片(2、3)に螺挿されるように構成された第1のねじ部(10a)及び前記本体(1)に螺挿されるように構成された第2のねじ部(10b)の形態を取ることを特徴とする、請求項1〜10のいずれか一項に記載の器具。
- 前記2つのねじ部(10a、10b)の前記ネジ切り部のピッチが、前記骨片(2、3)と協力するネジ切り部のピッチが前記本体(1)と協力するネジ切り部のピッチより大きくなるように変わることを特徴とする、請求項13に記載の器具。
- 前記固定要素(6、7)の先端(6b、7b)に向かってピッチが大きくなるように、前記第1のねじ部(10a)の前記ネジ切り部のピッチが前記第1のねじ部の長手方向で変わることを特徴とする、請求項13又は14に記載の器具。
- 前記固定要素(6、7)が、それぞれが少なくとも1つの固定部を有するスクリュー又はピンの形態を取ることを特徴とする、請求項1〜15のいずれか一項に記載の器具。
- 前記本体(1)の前記穴(8、9)がネジ切り部を有さず、前記固定要素(6、7)が、前記本体に螺挿される時に前記本体のネジ切り部をスルーすることを特徴とする、請求項11〜15のいずれか一項に記載の器具。
- 前記本体(1)の前記穴(8、9)が、前記固定要素(6、7)のネジ切り部に適合するネジ切り部(11)を有することを特徴とする、請求項11〜15のいずれか一項に記載の器具。
- 前記本体(1)の前記穴(8、9)が、前記橈骨骨折部(4)の前記骨片(2、3)に隣接させる前記本体の位置決定のため及び前記橈骨骨折部(4)の前記骨片(2、3)に前記固定要素(6、7)用の穴を形成するためのドリルのための前記穴に取り付けることができる管状ガイド補助具のネジ切り部に適合したネジ切り部(11)を有することを特徴とする、請求項1〜16のいずれか一項に記載の器具。
- 前記本体(1)がポリエチレン製であることを特徴とする、請求項1〜19のいずれか一項に記載の器具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0801559-6 | 2008-07-01 | ||
SE0801559A SE533632C2 (sv) | 2008-07-01 | 2008-07-01 | Anordning för intern fixering av benfragmenten i en strålbensfraktur |
PCT/SE2009/050759 WO2010002333A1 (en) | 2008-07-01 | 2009-06-17 | Device for internal fixation of the bone fragments in a radius fracture |
Publications (2)
Publication Number | Publication Date |
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JP2011526801A JP2011526801A (ja) | 2011-10-20 |
JP5878014B2 true JP5878014B2 (ja) | 2016-03-08 |
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JP2011516222A Active JP5878014B2 (ja) | 2008-07-01 | 2009-06-17 | 橈骨骨折部の骨片を内固定するための器具 |
Country Status (6)
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US (1) | US8852246B2 (ja) |
EP (1) | EP2293730B1 (ja) |
JP (1) | JP5878014B2 (ja) |
ES (1) | ES2587182T3 (ja) |
SE (1) | SE533632C2 (ja) |
WO (1) | WO2010002333A1 (ja) |
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US7229445B2 (en) * | 2004-06-21 | 2007-06-12 | Synthes (Usa) | Bone plate with bladed portion |
JP2006087530A (ja) * | 2004-09-22 | 2006-04-06 | Nakashima Propeller Co Ltd | 橈骨遠位端骨折用内固定器具 |
DE102005043285B3 (de) * | 2005-09-09 | 2007-01-04 | Dieter Marquardt Medizintechnik Gmbh | Knochenplatte zur Versorgung von proximalen Humerusfrakturen |
SE530328C2 (sv) * | 2006-09-21 | 2008-05-06 | Henrik Hansson | Anordning för fixering av en benfraktur |
US8157803B1 (en) * | 2007-08-21 | 2012-04-17 | Surgical Implant Generation Network | Bone fixation using an intramedullary nail interlocked with a buttress member |
WO2009097440A2 (en) * | 2008-01-29 | 2009-08-06 | Tornier, Inc. | System and method to position and secure fractured bones |
US8257405B2 (en) * | 2008-07-31 | 2012-09-04 | Biomet C.V. | Periarticular bone plate with biplanar offset head member |
-
2008
- 2008-07-01 SE SE0801559A patent/SE533632C2/sv unknown
-
2009
- 2009-06-17 WO PCT/SE2009/050759 patent/WO2010002333A1/en active Application Filing
- 2009-06-17 US US12/999,326 patent/US8852246B2/en active Active
- 2009-06-17 EP EP09773848.8A patent/EP2293730B1/en active Active
- 2009-06-17 JP JP2011516222A patent/JP5878014B2/ja active Active
- 2009-06-17 ES ES09773848.8T patent/ES2587182T3/es active Active
Also Published As
Publication number | Publication date |
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EP2293730A1 (en) | 2011-03-16 |
EP2293730A4 (en) | 2014-01-22 |
US20110112583A1 (en) | 2011-05-12 |
US8852246B2 (en) | 2014-10-07 |
JP2011526801A (ja) | 2011-10-20 |
EP2293730B1 (en) | 2016-06-01 |
ES2587182T3 (es) | 2016-10-21 |
SE533632C2 (sv) | 2010-11-09 |
WO2010002333A1 (en) | 2010-01-07 |
SE0801559L (sv) | 2010-01-02 |
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