JP4249029B2 - ほぼ球状の面を有する構成部品の製造方法 - Google Patents
ほぼ球状の面を有する構成部品の製造方法 Download PDFInfo
- Publication number
- JP4249029B2 JP4249029B2 JP2003561478A JP2003561478A JP4249029B2 JP 4249029 B2 JP4249029 B2 JP 4249029B2 JP 2003561478 A JP2003561478 A JP 2003561478A JP 2003561478 A JP2003561478 A JP 2003561478A JP 4249029 B2 JP4249029 B2 JP 4249029B2
- Authority
- JP
- Japan
- Prior art keywords
- component
- support surface
- cutting tool
- axis
- radius
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/10—Gear cutting
- Y10T409/107791—Using rotary cutter
- Y10T409/10795—Process
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304424—Means for internal milling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Prostheses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Dental Preparations (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
a. 構成部品をその極軸線の周りに回転させ、かつ切削工具の刃先を構成部品の支持面に接触させて切削工具をその軸線の周りに回転させる工程と、
b. 切削工具の軸線と構成部品の極軸線との角度を変化させないで切削工具を(i)構成部品の極軸線に平行な方向に移動させ、かつ(ii)切削工具の軸線に沿って移動させる工程と、
c. 工程(a)を繰り返す工程
を含む。
本発明の具体的な実施態様は以下の通りである。
(1)円形の刃先を有してその刃先を含む平面に垂直な軸線の周りに回転し得る切削工具を使用し、形状が球の一部にほぼ一致するとともにその極軸線の周りに対称な支持面を有する整形外科用関節プロテーゼの構成部品を製造する方法であって、
a. 構成部品をその極軸線の周りに回転させ、かつ切削工具の刃先を構成部品の支持面に接触させて切削工具をその軸線の周りに回転させる工程と、
b. 切削工具の軸線と構成部品の極軸線との角度を変化させないで切削工具を(i)構成部品の極軸線に平行な方向に移動させ、かつ(ii)切削工具の軸線に沿って移動させる工程と、
c. 工程(a)を繰り返す工程
を含み、切削工具の移動(i)および(ii)は、構成部品の半径と極軸線との角度が変化するに従って支持面の曲率半径を連続して単調に変化させ、これにより個々の移動の結果としての支持面の形状の不連続さが最小になるように支持面の形状が真球の形状から偏るようになる方法。
(2)切削工具を極軸線に沿って構成部品の支持面から離れる方向に移動させながら、切削工具をその軸線に沿って構成部品の支持面に向かう方向に移動させる実施態様(1)に記載の方法。
(3)構成部品の支持面は凹状である実施態様(1)に記載の方法。
(4)構成部品の支持面は凸状であり、切削工具は凸状の支持面に適用することができる円形の刃先を有するように環状である実施態様(1)に記載の方法。
(5)切削工具の軸線に沿った方向と構成部品の極軸線に平行な方向とへの切削工具の同時移動は、漸進的な動作で行う実施態様(1)に記載の方法。
(6)切削工具の連続した漸進的な各移動の間に切削工具が画定する支持面の部分は、少なくとも約1°の弧角全体に広がる実施態様(5)に記載の方法。
(7)切削工具の連続した漸進的な各移動の間に切削工具が画定する支持面の部分は、約20°以下の弧角全体に広がる実施態様(5)に記載の方法。
(8)仕上げた構成部品の支持面は、曲率半径がほぼ一定の部分を極およびその周りに含む実施態様(1)に記載の方法。
(9)曲率半径がほぼ一定の部分の支持面の部分は、少なくとも約10°の半テーパ角度に広がる実施態様(8)に記載の方法。
(10)構成部品が整形外科用関節プロテーゼの構成部品として人または動物体に埋め込むのに適するように構成部品を消毒する工程を含む実施態様(1)から(9)のいずれか1つに記載の方法。
Claims (10)
- 円形の刃先を有してその刃先を含む平面に垂直な軸線の周りに回転し得る切削工具を使用し、形状が球の一部にほぼ一致するとともにその極軸線の周りに対称な支持面を有する整形外科用関節プロテーゼの構成部品を製造する方法であって、
a. 構成部品をその極軸線の周りに回転させ、かつ切削工具の刃先を構成部品の支持面に接触させて切削工具をその軸線の周りに回転させ、構成部品の赤道から極領域における範囲の表面を切削する工程と、
b. 切削工具の軸線と構成部品の極軸線との角度を変化させないで切削工具を(i)構成部品の極軸線に平行な方向に移動させ、かつ(ii)切削工具の軸線に沿って移動させる工程と、
c. 工程(a)を繰り返す工程
を含み、切削工具の移動(i)および(ii)は、構成部品の半径と極軸線との角度が変化するに従って支持面の曲率半径を連続して単調に変化させ、これにより個々の移動の結果としての支持面の形状の不連続さが最小になるように支持面の形状が真球の形状から偏り、支持面がカップ構成部品上にある場合には、カップ構成部品の赤道から極領域に向かって支持面の半径が連続して単調に減少し、支持面がヘッド構成部品上にある場合には、ヘッド構成部品の赤道から極領域に向かって支持面の半径が連続して単調に増加するようになる方法。 - 切削工具を極軸線に沿って構成部品の支持面から離れる方向に移動させながら、切削工具をその軸線に沿って構成部品の支持面に向かう方向に移動させる請求項1に記載の方法。
- 構成部品の支持面は凹状である請求項1に記載の方法。
- 構成部品の支持面は凸状であり、切削工具は凸状の支持面に適用することができる円形の刃先を有するように環状である請求項1に記載の方法。
- 切削工具の軸線に沿った方向と構成部品の極軸線に平行な方向とへの切削工具の同時移動は、漸進的な動作で行う請求項1に記載の方法。
- 切削工具の連続した漸進的な各移動の間に切削工具が画定する支持面の部分は、少なくとも約1°の弧角全体に広がる請求項5に記載の方法。
- 切削工具の連続した漸進的な各移動の間に切削工具が画定する支持面の部分は、約20°以下の弧角全体に広がる請求項5に記載の方法。
- 仕上げた構成部品の支持面は、曲率半径がほぼ一定の部分を極およびその周りに含む請求項1に記載の方法。
- 曲率半径がほぼ一定の部分の支持面の部分は、少なくとも約10°の半テーパ角度に広がる請求項8に記載の方法。
- 構成部品が整形外科用関節プロテーゼの構成部品として人または動物体に埋め込むのに適するように構成部品を消毒する工程を含む請求項1 から 9のいずれか1つに記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0200993A GB0200993D0 (en) | 2002-01-17 | 2002-01-17 | Manufacturing a component with a near spherical surface |
PCT/GB2003/000157 WO2003061532A1 (en) | 2002-01-17 | 2003-01-16 | Manufacturing a component with a near spherical surface |
Publications (2)
Publication Number | Publication Date |
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JP2005532839A JP2005532839A (ja) | 2005-11-04 |
JP4249029B2 true JP4249029B2 (ja) | 2009-04-02 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2003561478A Expired - Fee Related JP4249029B2 (ja) | 2002-01-17 | 2003-01-16 | ほぼ球状の面を有する構成部品の製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7469474B2 (ja) |
EP (1) | EP1465557B1 (ja) |
JP (1) | JP4249029B2 (ja) |
AT (1) | ATE342020T1 (ja) |
AU (1) | AU2003202027B2 (ja) |
CA (1) | CA2473554C (ja) |
DE (1) | DE60308991T2 (ja) |
GB (1) | GB0200993D0 (ja) |
WO (1) | WO2003061532A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US8715364B2 (en) | 2007-02-05 | 2014-05-06 | DePuy Synthes Products, LLC | Aspheric hip bearing couple |
US7985262B2 (en) * | 2007-12-28 | 2011-07-26 | Depuy Products, Inc. | Aspheric hip bearing couple |
FR2932674B1 (fr) | 2008-06-20 | 2011-11-18 | Tornier Sa | Procede de modelisation d'une surface glenoidienne d'une omoplate, dispositif d'implantation d'un composant glenoidien d'une prothese d'epaule, et procede de fabrication d'un tel compose. |
CA2938709C (en) | 2013-11-08 | 2023-09-05 | Imascap Sas | Methods, systems and devices for pre-operatively planned adaptive glenoid implants |
EP4378402A2 (en) | 2013-11-13 | 2024-06-05 | Tornier | Method for providing a patient specific glenoid guide |
AU2016371425B2 (en) | 2015-12-16 | 2021-09-02 | Howmedica Osteonics Corp. | Patient specific instruments and methods for joint prosthesis |
US10959742B2 (en) | 2017-07-11 | 2021-03-30 | Tornier, Inc. | Patient specific humeral cutting guides |
US11278299B2 (en) | 2017-07-11 | 2022-03-22 | Howmedica Osteonics Corp | Guides and instruments for improving accuracy of glenoid implant placement |
CN110732934A (zh) * | 2018-07-20 | 2020-01-31 | 蓝思科技(长沙)有限公司 | 一种3d产品的加工方法及加工装置 |
CN113182940B (zh) * | 2021-03-31 | 2022-07-08 | 郑州大学 | 一种球形内表面斜范成法参数选择方法 |
CN113942126B (zh) * | 2021-10-20 | 2024-04-12 | 北京爱康宜诚医疗器材有限公司 | 加工装置 |
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US2187471A (en) * | 1937-11-03 | 1940-01-16 | Gen Motors Corp | Grinding |
US3212405A (en) * | 1963-07-24 | 1965-10-19 | Helen Sue Smith | Method for cutting internal spherical surfaces |
GB2010143B (en) | 1977-07-19 | 1982-05-26 | Grubb Parsons & Co Ltd H | Generating aspheric surfaces |
US4245939A (en) | 1978-12-13 | 1981-01-20 | F. Jos. Lamb Company | Method and apparatus for machining spherical combustion chambers |
HU209786B (en) | 1982-04-14 | 1994-11-28 | Gabor David | Switching member having contactless indicator |
DE4406856A1 (de) * | 1994-03-02 | 1995-09-07 | Hydromatik Gmbh | Verfahren zur Herstellung einer hinterschnittenen, konkaven, in sich geschlossenen Lagerfläche |
GB9404077D0 (en) | 1994-03-03 | 1994-04-20 | Univ Leeds | Acetabular cup |
EP0862395B1 (en) | 1995-11-02 | 2004-04-07 | Wright Medical Technology, Inc. | Low-wear ball and cup joint prosthesis |
JPH09168957A (ja) * | 1995-12-19 | 1997-06-30 | Ricoh Co Ltd | 曲面加工機 |
RU2182474C2 (ru) * | 1996-04-12 | 2002-05-20 | Зульцер Ортопеди АГ | Искусственный сустав, в частности искусственный тазобедренный сустав |
JP2001047303A (ja) | 1999-08-06 | 2001-02-20 | Sanden Corp | 回転体面の加工方法 |
-
2002
- 2002-01-17 GB GB0200993A patent/GB0200993D0/en not_active Ceased
-
2003
- 2003-01-16 DE DE2003608991 patent/DE60308991T2/de not_active Expired - Lifetime
- 2003-01-16 US US10/501,655 patent/US7469474B2/en not_active Expired - Fee Related
- 2003-01-16 EP EP20030700881 patent/EP1465557B1/en not_active Expired - Lifetime
- 2003-01-16 JP JP2003561478A patent/JP4249029B2/ja not_active Expired - Fee Related
- 2003-01-16 AU AU2003202027A patent/AU2003202027B2/en not_active Ceased
- 2003-01-16 CA CA 2473554 patent/CA2473554C/en not_active Expired - Fee Related
- 2003-01-16 WO PCT/GB2003/000157 patent/WO2003061532A1/en active IP Right Grant
- 2003-01-16 AT AT03700881T patent/ATE342020T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE60308991D1 (de) | 2006-11-23 |
WO2003061532A1 (en) | 2003-07-31 |
CA2473554C (en) | 2011-05-17 |
DE60308991T2 (de) | 2007-08-30 |
US20050087047A1 (en) | 2005-04-28 |
ATE342020T1 (de) | 2006-11-15 |
JP2005532839A (ja) | 2005-11-04 |
EP1465557A1 (en) | 2004-10-13 |
EP1465557B1 (en) | 2006-10-11 |
AU2003202027B2 (en) | 2007-11-22 |
GB0200993D0 (en) | 2002-03-06 |
CA2473554A1 (en) | 2003-07-31 |
US7469474B2 (en) | 2008-12-30 |
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