JP4729376B2 - 髄内釘、及びこの髄内釘を用いた大腿骨近位部骨折の治療のための装置 - Google Patents
髄内釘、及びこの髄内釘を用いた大腿骨近位部骨折の治療のための装置 Download PDFInfo
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- JP4729376B2 JP4729376B2 JP2005280239A JP2005280239A JP4729376B2 JP 4729376 B2 JP4729376 B2 JP 4729376B2 JP 2005280239 A JP2005280239 A JP 2005280239A JP 2005280239 A JP2005280239 A JP 2005280239A JP 4729376 B2 JP4729376 B2 JP 4729376B2
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- 208000008924 Femoral Fractures Diseases 0.000 title claims description 17
- 206010017076 Fracture Diseases 0.000 claims description 16
- 210000000988 bone and bone Anatomy 0.000 claims description 11
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 210000000689 upper leg Anatomy 0.000 claims description 7
- 208000010392 Bone Fractures Diseases 0.000 claims description 6
- 206010028980 Neoplasm Diseases 0.000 claims 1
- 201000011510 cancer Diseases 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000002436 femur neck Anatomy 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000000528 lesser trochanter Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011477 surgical intervention Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
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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
- A61B17/74—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
- A61B17/748—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 with means for adapting the angle between the longitudinal elements and the shaft axis 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
- A61B17/72—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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
-
- 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
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
-
- 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
- A61B17/744—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 an intramedullary nail
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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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
Claims (12)
- 近位側部分(14)及び遠位側部分(16)を有する長手本体(12)を備え、前記近位側部分(14)は、それぞれの孔が前記近位側部分(14)の軸線(X)に対する横軸線(A、B、C)を有する各頭付きネジ(22、23、24、25)用の第1の孔(20)及び第2の孔(21)を有する、大腿骨近位部骨折の治療のための髄内釘であって、
前記第1の孔(20)は2つの通路(30、31)に分けられ、前記2つの通路(30、31)は、隣接して長手方向に互いにつながっていることにより、前記第1の孔(20)は「8の字形の」断面を有し;
前記2つの通路(30、31)は、それぞれ、前記第2の孔(21)の軸線(C)に対して所定の角度を有する各異なる軸線(A、B)を有し;
第1の通路(30)は前記第2の孔(21)の軸線(C)とある角度を成す軸線(A)を有する一方、第2の通路(31)は前記第2の孔(21)の軸線(C)に平行な軸線(B)を有し;
前記2つの通路(30、31)は、前記各頭付きネジ(22、24)により選択的に係合されるのと合わせて、前記第2の孔(21)は別の前記各頭付ネジ(23、25)により係合されるように構成されることにより、髄内腔から釘を取り出すことなく、前記2つの通路(30、31)のいずれかへ挿入された頭付きネジ(22、24)の軸線方向を、軸線(A)から軸線(B)へ、または軸線(B)から軸線(A)へ変更可能にすることを特徴とする、大腿骨近位部骨折の治療のための髄内釘。 - 前記第1の通路(30)の軸線(A)は、前記第2の通路(31)の軸線(B)と8°の角度を成すことを特徴とする、請求項1に記載の大腿骨近位部骨折の治療のための髄内釘。
- 前記第1の通路(30)は、前記近位側部分(14)の軸線(X)と約115°の角度を成すことを特徴とする、請求項1に記載の大腿骨近位部骨折の治療のための髄内釘。
- 前記第2の通路(31)は、前記近位側部分(14)の軸線(X)と123°の角度を成すことを特徴とする、請求項1に記載の大腿骨近位部骨折の治療のための髄内釘。
- 前記近位側部分(14)の軸線(X)に沿って測定される、前記第1の通路(30)の軸線(A)と前記第2の通路(31)の軸線(B)との間の距離は、2mmに相当することを特徴とする、請求項1に記載の大腿骨近位部骨折の治療のための髄内釘。
- 近位側部分(14)及び遠位側部分(16)を有し、前記近位側部分(14)は、それぞれの孔が前記近位側部分(14)の軸線(X)に対する横軸線(A、B、C)を有する第1の孔(20)及び第2の孔(21)を有する、髄内釘(10)と、
前記髄内釘(10)の前記第1と第2の孔(20、21)に挿入されるのに適した頭付きネジ(22、23、24、25)と、を備え、
前記髄内釘(10)の第1の孔(20)は2つの通路(30、31)に分けられ、前記2つの通路(30、31)が、隣接して長手方向に互いにつながっていることにより、前記第1の孔(20)は「8の字形の」断面を有し;
前記2つの通路(30、31)は、それぞれ、前記第2の孔(21)の軸線(C)に対して所定の角度を有する各異なる軸線(A、B)を有し;
第1の通路(30)は前記第2の孔(21)の軸線(C)とある角度を成す軸線(A)を有する一方、第2の通路(31)は前記第2の孔(21)の軸線(C)に平行な軸線(B)を有し;
前記2つの通路(30、31)は、前記各頭付きネジ(22、24)により選択的に係合されるのと合わせて、前記第2の孔(21)は別の各頭付ネジ(23、25)により係合されるように構成されることにより、髄内腔から釘を取り出すことなく、前記2つの通路(30、31)のいずれかへ挿入された頭付きネジ(22、24)の軸線方向を、軸線(A)から軸線(B)へ、または軸線(B)から軸線(A)へ変更可能にすることを特徴とする、髄内釘を用いた大腿骨近位部骨折の治療のための装置。 - 前記2つの第1の頭付きネジ(22、23)はそれぞれ、互いに平行に配置されるために、骨に螺入されるタッピンネジ(38)と、前記第1の孔(20)の前記第2の通路(31)と前記第2の近位側孔(21)とにそれぞれ摺動挿入される平滑な軸(40)とを有する、請求項6に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
- 前記2つの第2の頭付きネジ(24、25)はそれぞれ、骨に螺入されるタッピンネジ(50)と、前記第1の孔(20)の前記第1の通路(30)と前記第2の近位側孔(21)とにそれぞれ螺入される第2のネジ(51)と、を有する、請求項6に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
- 前記第1の孔(20)の前記第2の通路(31)と前記第2の近位側孔(21)とにそれぞれ螺入される、雄ネジ(43)を有する2本のスリーブ(42)を備え、前記第1の頭付きネジ(22、23)の前記軸(40)は摺動挿入されることを特徴とする、請求項7に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
- 前記スリーブ(42)はそれぞれ、骨内に前進する鋭い外形部(44)を備えることを特徴とする、請求項9に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
- 前記スリーブ(42)の前記雄ネジ(43)は、骨を貫通する前記第1の頭付きネジ(22、23)の前記タッピンネジ(38)のピッチの半分に相当するピッチを有することを特徴とする、請求項9に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
- 前記第2の頭付きネジ(24、25)の前記第2のネジ(51)は、前記第1のタッピンネジ(50)のピッチの半分に相当するピッチを有することを特徴とする、請求項8に記載の髄内釘を用いた大腿骨近位部骨折の治療のための装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425717A EP1639953B1 (en) | 2004-09-27 | 2004-09-27 | Intramedullary nail for the treatment of proximal femur fractures |
EP04425717.8 | 2004-09-27 |
Publications (2)
Publication Number | Publication Date |
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JP2006095306A JP2006095306A (ja) | 2006-04-13 |
JP4729376B2 true JP4729376B2 (ja) | 2011-07-20 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005280239A Expired - Fee Related JP4729376B2 (ja) | 2004-09-27 | 2005-09-27 | 髄内釘、及びこの髄内釘を用いた大腿骨近位部骨折の治療のための装置 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7670340B2 (ja) |
EP (1) | EP1639953B1 (ja) |
JP (1) | JP4729376B2 (ja) |
CN (1) | CN100534400C (ja) |
AR (1) | AR055490A1 (ja) |
AT (1) | ATE395871T1 (ja) |
BR (1) | BRPI0504202B8 (ja) |
CA (1) | CA2521234C (ja) |
CR (1) | CR8012A (ja) |
DE (1) | DE602004013971D1 (ja) |
DK (1) | DK1639953T3 (ja) |
ES (1) | ES2306976T3 (ja) |
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JP2002253566A (ja) * | 2001-03-01 | 2002-09-10 | Mizuho Co Ltd | 髄内釘 |
JP2004089259A (ja) * | 2002-08-29 | 2004-03-25 | Koi:Kk | 髄内釘 |
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2004
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JP2000513593A (ja) * | 1994-10-31 | 2000-10-17 | スミス アンド ネフュー インコーポレーテッド | 大腿骨髄内固定釘 |
JPH10211214A (ja) * | 1997-01-21 | 1998-08-11 | Orthofix Srl | 股関節破損治療用髄内腔平爪及びこれを取扱うための装置 |
JP2002253566A (ja) * | 2001-03-01 | 2002-09-10 | Mizuho Co Ltd | 髄内釘 |
JP2004089259A (ja) * | 2002-08-29 | 2004-03-25 | Koi:Kk | 髄内釘 |
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AR055490A1 (es) | 2007-08-22 |
CN1754521A (zh) | 2006-04-05 |
CR8012A (es) | 2009-01-07 |
EP1639953A1 (en) | 2006-03-29 |
ATE395871T1 (de) | 2008-06-15 |
BRPI0504202A (pt) | 2006-05-09 |
DK1639953T3 (da) | 2008-09-29 |
US20060069392A1 (en) | 2006-03-30 |
CA2521234C (en) | 2010-11-30 |
BRPI0504202B1 (pt) | 2015-12-08 |
EP1639953B1 (en) | 2008-05-21 |
US7670340B2 (en) | 2010-03-02 |
ES2306976T3 (es) | 2008-11-16 |
JP2006095306A (ja) | 2006-04-13 |
BRPI0504202B8 (pt) | 2021-06-22 |
CN100534400C (zh) | 2009-09-02 |
DE602004013971D1 (de) | 2008-07-03 |
CA2521234A1 (en) | 2006-03-27 |
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