JP2020195876A - 関節インプラント - Google Patents
関節インプラント Download PDFInfo
- Publication number
- JP2020195876A JP2020195876A JP2020153207A JP2020153207A JP2020195876A JP 2020195876 A JP2020195876 A JP 2020195876A JP 2020153207 A JP2020153207 A JP 2020153207A JP 2020153207 A JP2020153207 A JP 2020153207A JP 2020195876 A JP2020195876 A JP 2020195876A
- Authority
- JP
- Japan
- Prior art keywords
- implant
- joint implant
- bone
- groove
- grooves
- 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.)
- Pending
Links
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Images
Classifications
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- 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
- A61F2002/30929—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having at least two superposed coatings
-
- 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
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3625—Necks
- A61F2002/3631—Necks with an integral complete or partial peripheral collar or bearing shoulder at its base
-
- 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
- A61F2310/00389—The prosthesis being coated or covered with a particular material
-
- 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
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00407—Coating made of titanium or of Ti-based alloys
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)
- Prostheses (AREA)
Abstract
Description
Claims (15)
- 骨の空洞の内部への移植のための関節インプラントであって、
当該関節インプラントの遠位端にある遠位区画と、近位区画とを有する、ステムと、
実質的に前記ステムの長手方向に沿って延びる少なくとも2つの溝と、
該溝の表面を覆う第1の塗膜と、
隆起部とを含み、
該隆起部は、隣接する溝の間に形成され、頂端面を有し、
該頂端面は、前記第1の塗膜の平均表面粗さよりも低い平均表面粗さを有し、
前記隆起部の前記頂端面は、当該関節インプラントと前記骨との間の圧力嵌めを達成するよう、当該関節インプラントの外表面と面一であり、前記外表面及び前記頂端面は、連続的な表面を描く、
関節インプラント。 - 前記溝は、少なくとも1mm、少なくとも2mm、又は少なくとも3mmの深さを有する、請求項1に記載の関節インプラント。
- 前記溝は、前記隆起部の幅に対する前記溝の幅の比が0.5〜5の間又は1.5〜4の間にあるような幅を有する、請求項1又は2に記載の関節インプラント。
- 前記溝のうちの少なくとも1つは、その長手方向において、前記近位区画及び前記遠位区画の少なくとも一方に向かって開くように設計される、請求項1乃至3のうちのいずれか1項に記載の関節インプラント。
- 前記溝のうちの少なくとも1つの溝の断面は一定であり、且つ/或いは前記隆起部の前記頂端面に向かって幅が増大する、請求項1乃至4のうちのいずれか1項に記載の関節インプラント。
- 前記隆起部の前記頂端面は、少なくとも2.5μmの平均表面粗さを有する、請求項1乃至5のうちのいずれか1項に記載の関節インプラント。
- 前記溝の前記第1の塗膜は、チタンプラズマ吹付け塗膜であり、15μm〜30μm又は20μm〜25μmの平均表面粗さを有する、請求項1乃至6のうちのいずれか1項に記載の関節インプラント。
- 前記第1の塗膜は、200μm〜500μmの厚さ及び/又は20%〜40%の空孔率を有し、空孔は、75μm〜200μmの大きさを有する、請求項1乃至7のうちのいずれか1項に記載の関節インプラント。
- 前記近位区画の前記表面の少なくとも一部は、第2の塗膜を有する、請求項1乃至8のうちのいずれか1項に記載の関節インプラント。
- 当該関節インプラントは、前記溝内の前記第1の塗膜と前記隆起部の前記頂端面との間に位置付けられる表面部分を更に含み、該表面部分は、前記頂端面と同じ表面粗さを有する、請求項1乃至9のうちのいずれか1項に記載の関節インプラント。
- 前記隆起部の長手方向の形状は、当該関節インプラントの挿入の軌跡に従うように設計される、請求項1乃至10のうちのいずれか1項に記載の関節インプラント。
- 前記溝は、当該関節インプラントの両側に形成される、請求項1乃至11のうちのいずれか1項に記載の関節インプラント。
- 当該関節インプラントは、前記ステムの前記近位区画に形成されるネック区画と、該ネック区画を少なくとも部分的に取り囲む鍔とを更に含む、請求項1乃至12のうちのいずれか1項に記載の関節インプラント。
- 請求項1乃至13のうちのいずれか1項に記載の骨の空洞の内部への移植のための関節インプラントと、前記空洞を準備するための工具とを含む、移植セットであって、
前記関節インプラントは、ステムと、実質的に前記ステムの長手方向に沿って延びる少なくとも2つの溝と、該溝の表面を覆う第1の塗膜と、隆起部とを含み、該隆起部は、隣接する溝の間に形成され、頂端面を有し、
前記工具は、前記関節インプラントの形状に対応する空洞を準備するように設計され、前記工具は、前記第1の塗膜が移植後に前記骨と接触しないように構成されるよう、前記関節インプラントの前記形状に対して部分的に過大なサイズとされ、前記工具は、前記関節インプラントの外面及び前記頂端面で前記骨との圧力嵌めを引き起こすよう、前記関節インプラントの前記形状に対して部分的に過小なサイズとされる、
移植セット。 - 前記工具は、石目ヤスリ又は研削装置である、請求項14に記載の移植セット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP12185404.6 | 2012-09-21 | ||
EP12185404.6A EP2710982B1 (en) | 2012-09-21 | 2012-09-21 | Joint implant |
Related Parent Applications (1)
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JP2018089836A Division JP2018118140A (ja) | 2012-09-21 | 2018-05-08 | 関節インプラント |
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JP2020195876A true JP2020195876A (ja) | 2020-12-10 |
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JP2015532368A Pending JP2015529119A (ja) | 2012-09-21 | 2013-09-10 | 関節インプラント |
JP2018089836A Pending JP2018118140A (ja) | 2012-09-21 | 2018-05-08 | 関節インプラント |
JP2020153207A Pending JP2020195876A (ja) | 2012-09-21 | 2020-09-11 | 関節インプラント |
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JP2018089836A Pending JP2018118140A (ja) | 2012-09-21 | 2018-05-08 | 関節インプラント |
Country Status (12)
Country | Link |
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US (1) | US20150245912A1 (ja) |
EP (1) | EP2710982B1 (ja) |
JP (3) | JP2015529119A (ja) |
KR (1) | KR102039072B1 (ja) |
CN (1) | CN104684506B (ja) |
AU (1) | AU2013320423B2 (ja) |
BR (1) | BR112015005788B1 (ja) |
ES (1) | ES2603562T3 (ja) |
IL (1) | IL237584A0 (ja) |
IN (1) | IN2015DN03295A (ja) |
RU (1) | RU2655878C2 (ja) |
WO (1) | WO2014044574A1 (ja) |
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- 2012-09-21 ES ES12185404.6T patent/ES2603562T3/es active Active
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2013
- 2013-09-10 JP JP2015532368A patent/JP2015529119A/ja active Pending
- 2013-09-10 KR KR1020157010293A patent/KR102039072B1/ko not_active Expired - Fee Related
- 2013-09-10 WO PCT/EP2013/068698 patent/WO2014044574A1/en active Application Filing
- 2013-09-10 CN CN201380048818.4A patent/CN104684506B/zh not_active Expired - Fee Related
- 2013-09-10 RU RU2015114776A patent/RU2655878C2/ru active
- 2013-09-10 BR BR112015005788-8A patent/BR112015005788B1/pt not_active IP Right Cessation
- 2013-09-10 US US14/428,224 patent/US20150245912A1/en not_active Abandoned
- 2013-09-10 AU AU2013320423A patent/AU2013320423B2/en not_active Ceased
-
2015
- 2015-03-05 IL IL237584A patent/IL237584A0/en unknown
- 2015-04-20 IN IN3295DEN2015 patent/IN2015DN03295A/en unknown
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2018
- 2018-05-08 JP JP2018089836A patent/JP2018118140A/ja active Pending
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2020
- 2020-09-11 JP JP2020153207A patent/JP2020195876A/ja active Pending
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BR112015005788A2 (pt) | 2017-07-04 |
KR20150059175A (ko) | 2015-05-29 |
CN104684506B (zh) | 2018-10-09 |
US20150245912A1 (en) | 2015-09-03 |
CN104684506A (zh) | 2015-06-03 |
EP2710982B1 (en) | 2016-08-31 |
AU2013320423A1 (en) | 2015-04-30 |
IN2015DN03295A (ja) | 2015-10-09 |
WO2014044574A1 (en) | 2014-03-27 |
JP2015529119A (ja) | 2015-10-05 |
EP2710982A1 (en) | 2014-03-26 |
BR112015005788B1 (pt) | 2021-02-17 |
AU2013320423B2 (en) | 2016-12-22 |
RU2015114776A (ru) | 2016-11-10 |
ES2603562T3 (es) | 2017-02-28 |
RU2655878C2 (ru) | 2018-05-29 |
JP2018118140A (ja) | 2018-08-02 |
IL237584A0 (en) | 2015-04-30 |
KR102039072B1 (ko) | 2019-10-31 |
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