JP6206904B2 - セメントレス型人工関節 - Google Patents
セメントレス型人工関節 Download PDFInfo
- Publication number
- JP6206904B2 JP6206904B2 JP2013107351A JP2013107351A JP6206904B2 JP 6206904 B2 JP6206904 B2 JP 6206904B2 JP 2013107351 A JP2013107351 A JP 2013107351A JP 2013107351 A JP2013107351 A JP 2013107351A JP 6206904 B2 JP6206904 B2 JP 6206904B2
- Authority
- JP
- Japan
- Prior art keywords
- bone
- skeleton
- stem
- artificial joint
- cementless
- 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
Links
Classifications
-
- 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
- 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
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
- 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
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Description
2 骨格部
2a 孔部
3 樹脂部
4 ネック部
5 ボディ部
6 レグ部
11 ヘッド
12 大腿骨
13 窄孔
Claims (3)
- 骨に形成された孔内に挿入され、ボーンイングロースにより前記骨との結合力を発生させるようにしたセメントレス型人工関節において、
多孔体構造を有し、前記骨と結合する金属製の骨格部と、
前記骨格部の一部を表面に露出させた状態で前記骨格部が埋め込まれるPEEK樹脂製の樹脂部と
からなるセメントレス型人工関節。 - 前記骨格部は、力学的異方性を持つ多孔体構造を有する請求項1記載のセメントレス型人工関節。
- 前記骨格部の前記多孔体構造領域の気孔率が30%〜70%である請求項1または2に記載のセメントレス型人工関節。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013107351A JP6206904B2 (ja) | 2013-05-21 | 2013-05-21 | セメントレス型人工関節 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013107351A JP6206904B2 (ja) | 2013-05-21 | 2013-05-21 | セメントレス型人工関節 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014226265A JP2014226265A (ja) | 2014-12-08 |
JP6206904B2 true JP6206904B2 (ja) | 2017-10-04 |
Family
ID=52126660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013107351A Expired - Fee Related JP6206904B2 (ja) | 2013-05-21 | 2013-05-21 | セメントレス型人工関節 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6206904B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019044433A1 (ja) | 2017-08-28 | 2019-03-07 | 株式会社ナントー | ステム、大腿骨コンポーネント、人工股関節 |
JPWO2019124389A1 (ja) * | 2017-12-19 | 2020-07-16 | 株式会社リケン | 内燃機関用ピストンリング |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070116734A1 (en) * | 2005-11-18 | 2007-05-24 | Akash Akash | Porous, load-bearing, ceramic or metal implant |
US7850717B2 (en) * | 2006-03-01 | 2010-12-14 | Warsaw Orthopedic, Inc. | Bone anchors having two or more portions exhibiting different performance characteristics and method of forming the same |
WO2010025386A1 (en) * | 2008-08-29 | 2010-03-04 | Smed-Ta/Td, Llc | Orthopaedic implant |
JP2010220926A (ja) * | 2009-03-25 | 2010-10-07 | Tohoku Univ | 生体用複合材料及びその製造方法 |
IT1398443B1 (it) * | 2010-02-26 | 2013-02-22 | Lima Lto S P A Ora Limacorporate Spa | Elemento protesico integrato |
-
2013
- 2013-05-21 JP JP2013107351A patent/JP6206904B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2014226265A (ja) | 2014-12-08 |
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