JP4709892B2 - 骨インプラントの接着増強装置 - Google Patents
骨インプラントの接着増強装置 Download PDFInfo
- Publication number
- JP4709892B2 JP4709892B2 JP2008502209A JP2008502209A JP4709892B2 JP 4709892 B2 JP4709892 B2 JP 4709892B2 JP 2008502209 A JP2008502209 A JP 2008502209A JP 2008502209 A JP2008502209 A JP 2008502209A JP 4709892 B2 JP4709892 B2 JP 4709892B2
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- Prior art keywords
- hollow cylinder
- bone
- adhesive
- hole
- screw
- Prior art date
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7097—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
- A61B17/7098—Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants wherein the implant is permeable or has openings, e.g. fenestrated screw
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
・体外の接着剤の使用は
i)接着剤に対する対応が簡単で、
ii)充填手順が制御可能であり、
iii)接着剤に血液、液体、組織を含まない。
・穴の方向、位置、数、面積によって、接着剤は解剖学上の希望状態をもたらす。
・骨固着手段の大きさにより中空円柱の接着剤の流出量を調整できる。
・骨の抵抗に対する加えられた圧力ではなくインプラントの挿入により、接着剤の流出量が制御可能であるので、抵抗(治療範囲内の自然骨の骨折)の制御不可能の減少による骨折範囲における大量接着剤の未制御の損失リスクが抑制できる。
a)中空円柱の挿入場所は骨に作られる。例えば骨に穴をあけることで達成される。
b)骨接着剤で充填される中空円柱はその長さと直径により選択され、通常的方法としては患者体外で行われる。
c)円柱外壁の穴から骨接着剤が流出するのを防ぐために、中空円柱は例えば対応する空洞を有するソケットへ挿入される。
d)充填される前に中空円柱は空洞へ挿入される。
e)骨固着成分(例えば骨螺子)は中空円柱の後端を通って中空円柱内へ挿入される。この手順により骨接着剤は骨構造の穴を通って押圧され、中空円柱を囲む。
f)骨接着剤が固まると骨接着剤は骨、中空円柱及び骨固着成分を含む固まりを構成する。
Claims (14)
- A)中空円柱(1)は未固化の骨接着剤(20)の受容に適し、前記中空円柱(1)は縦軸(2)と、内部螺子山(8)と、骨(30)への挿入に適する前部(3)と、後部(4)と、少なくとも一つの穴(6)を備える外壁(5)とを有して、
B)外部螺子山(11)を有する螺子(10)は前記中空円柱(1)の後部(4)から前記中空円柱(1)へ挿入可能であり、そのため前記外部螺子山(11)が前記中空円柱(1)の前記内部螺子山(8)に対応する接着増強装置において、
C)前記中空円柱(1)が全長Lを有し、前記前部(3)から前記穴(6)の最後部までの距離が最大でL/2であり、
D)中空円柱(1)のmm単位で測定される外部直径Dと穴(6)のmm 2 単位で測定される出口面積Fとの比例D/Fの範囲が0.19から0.36mm −1 である装置。 - 前記中空円柱(1)が未固化の骨接着剤(20)に少なくとも部分的に充填される請求項1に記載の装置。
- 前記螺子(10)が前記中空円柱(1)内へ挿入するよう両者が互いにマッチし、前記中空円柱(1)の前記外壁(5)における少なくとも一つの穴(6)を未固化の骨接着剤(20)が貫通する請求項1又は2に記載の装置。
- 前記中空円柱(1)の前記前部(3)が閉められる請求項1〜3のいずれか一項に記載の装置。
- 前記中空円柱(1)の前記後部(4)が骨接着剤注射器(40)と接続するために、カップリングとして構成される請求項1〜4のいずれか一項に記載の装置。
- 前記中空円柱(1)の前記後部(4)が、前記骨接着剤注射器(40)との連結に適するよう、差込式接続に構成される請求項1〜5のいずれか一項に記載の装置。
- 前記中空円柱(1)の前記後部(4)に、前記螺子(10)の断面に対応する開口を備える請求項1〜6のいずれか一項に記載の装置。
- 前記中空円柱(1)が全長Lを有し、前記前部(3)から前記穴(6)の最後部までの距離が最大でL/2である請求項1〜7のいずれか一項に記載の装置。
- 前記中空円柱(1)の前記後部(4)が多角形又はトリクス螺子ドライバーの受容ができる多角形又はトリクス溝に構成されている請求項1〜8のいずれか一項に記載の装置。
- 前記穴(6)の直径が0.9〜3.3mmである請求項1〜9のいずれか一項に記載の装置。
- 前記穴(6)の数が少なくとも20である請求項1〜10のいずれか一項に記載の装置。
- 前記穴(6)の数が最大で100である請求項1〜11のいずれか一項に記載の装置。
- 中空円柱(1)の肉厚(外部直径マイナス内部直径)の範囲が0.1から2.0mmである請求項1〜12のいずれか一項に記載の装置。
- 前記穴(6)が網状格子の形状を有する請求項1〜13のいずれか一項に記載の装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2005/000173 WO2006099751A1 (en) | 2005-03-24 | 2005-03-24 | Device for the cement augmentation of bone implants |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008532716A JP2008532716A (ja) | 2008-08-21 |
JP4709892B2 true JP4709892B2 (ja) | 2011-06-29 |
Family
ID=34961851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008502209A Expired - Fee Related JP4709892B2 (ja) | 2005-03-24 | 2005-03-24 | 骨インプラントの接着増強装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US9326800B2 (ja) |
EP (1) | EP1861033B1 (ja) |
JP (1) | JP4709892B2 (ja) |
KR (1) | KR101239453B1 (ja) |
CN (1) | CN101132741B (ja) |
AU (1) | AU2005329715A1 (ja) |
BR (1) | BRPI0519961A2 (ja) |
CA (1) | CA2602201C (ja) |
TW (1) | TWI428116B (ja) |
WO (1) | WO2006099751A1 (ja) |
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- 2005-03-24 US US11/817,376 patent/US9326800B2/en not_active Expired - Fee Related
- 2005-03-24 CN CN2005800488762A patent/CN101132741B/zh not_active Expired - Fee Related
- 2005-03-24 EP EP05714715A patent/EP1861033B1/en not_active Not-in-force
- 2005-03-24 BR BRPI0519961-1A patent/BRPI0519961A2/pt not_active IP Right Cessation
- 2005-03-24 CA CA2602201A patent/CA2602201C/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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JP2008532716A (ja) | 2008-08-21 |
US9326800B2 (en) | 2016-05-03 |
WO2006099751A1 (en) | 2006-09-28 |
EP1861033A1 (en) | 2007-12-05 |
CN101132741A (zh) | 2008-02-27 |
CA2602201A1 (en) | 2006-09-28 |
CA2602201C (en) | 2013-03-12 |
TW200633676A (en) | 2006-10-01 |
US20080119945A1 (en) | 2008-05-22 |
BRPI0519961A2 (pt) | 2009-04-07 |
CN101132741B (zh) | 2010-09-29 |
TWI428116B (zh) | 2014-03-01 |
EP1861033B1 (en) | 2012-06-13 |
KR20070121638A (ko) | 2007-12-27 |
KR101239453B1 (ko) | 2013-03-18 |
AU2005329715A1 (en) | 2006-09-28 |
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