JP2020525259A - 単顆型人工膝関節 - Google Patents
単顆型人工膝関節 Download PDFInfo
- Publication number
- JP2020525259A JP2020525259A JP2020522772A JP2020522772A JP2020525259A JP 2020525259 A JP2020525259 A JP 2020525259A JP 2020522772 A JP2020522772 A JP 2020522772A JP 2020522772 A JP2020522772 A JP 2020522772A JP 2020525259 A JP2020525259 A JP 2020525259A
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- Prior art keywords
- prosthesis
- tibial
- knee joint
- plateau
- unicondylar
- Prior art date
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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
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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
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- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
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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
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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
- A61F2/30—Joints
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- A61F2/3877—Patellae or trochleae
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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
- 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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- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
-
- A—HUMAN NECESSITIES
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- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0012—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting elasticity, flexibility, spring rate or mechanical tension
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Prostheses (AREA)
Abstract
Description
前記脛骨プロステーシス2が脛骨高原部顆間隆起31の一方側に設けられ、大腿骨プロステーシス1の下方に位置することを特徴とする、単顆型人工膝関節を提供することにある。
その中、下部ガスケット22上に弾性部材6が設けられており、該弾性部材6によって大腿骨プロステーシス1から脛骨プロステーシス2の上部ガスケットへ伝達する衝撃力を緩衝し、上部ガスケット21に半月板に類似する機能を有させる。
スリーブ61が下部ガスケット22を通り、スリーブの最下端が脛骨上の孔室7中に取り付けられている。
前記脛骨プロステーシス2の下方の脛骨頂部には脛骨割り溝32が開設されており、前記プロステーシス割り溝23が前記脛骨割り溝32と互いに対応し、共に位置決めピン5を収容するリミット孔4を形成し、かつ、該リミット孔が脛骨高原部顆間隆起31に差し込んでいる。
大腿骨プロステーシス1を大腿骨顆上に取り付けるステップ1と、
脛骨高原部プロステーシス2を取り付ける空間を脛骨上に開設するステップ2と、
脛骨上に脛骨割り溝32を掘り、該脛骨割り溝32を脛骨高原部顆間隆起31まで延伸させ、脛骨高原部顆間隆起31上に顆間隆起孔33を形成するステップ3と、
脛骨上に孔室7を掘るステップ4と、
脛骨プロステーシス2上のスリーブを孔室7中に嵌め込み、同時に、プロステーシス割り溝23が脛骨割り溝32及び顆間隆起孔33と共にリミット孔4を構成するようにプロステーシス割り溝23、脛骨割り溝32及び顆間隆起孔33の相対位置を調整するステップ5と、
位置決めピン5をリミット孔4中に取り付け、位置決めピン5の固定後に骨セメントによって脛骨プロステーシス2を固定するステップ6と、
を含み、
その中、好ましくは、ステップ5を実行する前に、スイベルボルト63によってバネ62の伸縮を調節する。
11 前方バックカバー
12 固定針
13 後方バックカバー
14 固定ピン
2 脛骨プロステーシス
21 上部ガスケット
22 下部ガスケット
23 プロステーシス割り溝
3 脛骨
31 脛骨高原部顆間隆起
32 脛骨割り溝
33 顆間隆起孔
4 リミット孔
5 位置決めピン
6 弾性部材
61 スリーブ
62 バネ
63 ボルト
7 孔室
8 大腿骨
Claims (10)
- 大腿骨プロステーシス(1)と脛骨プロステーシス(2)とを含み、
前記脛骨プロステーシス(2)が脛骨高原部顆間隆起(31)の一方側に設けられ、大腿骨プロステーシス(1)の下方に位置していることを特徴とする、単顆型人工膝関節。 - 前記脛骨プロステーシス(2)は上部ガスケット(21)と下部ガスケット(22)とを含み、
その中、下部ガスケット(22)上には弾性部材(6)が設置されており、該弾性部材(6)によって大腿骨プロステーシス(1)から脛骨プロステーシス(2)の上部ガスケットへ伝達する衝撃力を緩衝し、上部ガスケット(21)に半月板に類似する機能を有させることを特徴とする、請求項1に記載の単顆型人工膝関節。 - 前記弾性部材(6)は下部ガスケット(22)を貫通し、下部ガスケット(22)上に固定的に取り付けられ、上端が下部ガスケット(22)の上方から露出し、上部ガスケットの下表面に突っ張って設置されていることを特徴とする、請求項2に記載の単顆型人工膝関節。
- 前記弾性部材(6)はスリーブ(61)及びバネ(62)を含み、バネ(62)の下端がスリーブ(61)中に埋設されており、バネの上端が上部ガスケットの下表面に突っ張って設置されており、
スリーブ(61)が下部ガスケット(22)を通り、スリーブの最下端が脛骨上の孔室(7)中に取り付けられていることを特徴とする、請求項3に記載の単顆型人工膝関節。 - 前記スリーブ(61)の底部には、前記バネ(62)の伸縮を調節するボルト(63)が設けられていることを特徴とする、請求項4に記載の単顆型人工膝関節。
- 前記脛骨プロステーシス(2)が膝蓋骨の後側下方に放置されていることを特徴とする、請求項1に記載の単顆型人工膝関節。
- 位置決めピン(5)をさらに含み、前記位置決めピン(5)によって脛骨プロステーシス(2)を脛骨上に固定することを特徴とする、請求項1に記載の単顆型人工膝関節。
- 前記位置決めピン(5)の一方端の上部が脛骨プロステーシス(2)中に取り付けられており、他方端が脛骨高原部顆間隆起(31)中に嵌め込んでいることを特徴とする、請求項7に記載の単顆型人工膝関節。
- 前記脛骨プロステーシス(2)の底部にはプロステーシス割り溝(23)が開設されており、
前記脛骨プロステーシス(2)の下方の脛骨頂部には脛骨割り溝(32)が開設されており、前記プロステーシス割り溝(23)が前記脛骨割り溝(32)と互いに対応し、共に位置決めピン(5)を収容するリミット孔(4)を形成し、かつ、該リミット孔が脛骨高原部顆間隆起(31)に差し込んでいることを特徴とする、請求項1に記載の単顆型人工膝関節。 - 大腿骨プロステーシス(1)を大腿骨顆上に取り付けるステップ1と、
脛骨高原部上に脛骨プロステーシス(2)を放置する空間を開設するステップ2と、
脛骨上に脛骨割り溝(32)を掘って該脛骨割り溝(32)を脛骨高原部顆間隆起(31)まで延伸させ、脛骨高原部顆間隆起(31)上に顆間隆起孔(33)を形成するステップ3と、
脛骨上に孔室(7)を掘るステップ4と、
脛骨プロステーシス(2)上のスリーブを孔室(7)中に嵌め込み、同時に、プロステーシス割り溝(23)が脛骨割り溝(32)及び顆間隆起孔(33)と共にリミット孔(4)を構成するようにプロステーシス割り溝(21)、脛骨割り溝(32)及び顆間隆起孔(33)の相対位置を調整するステップ5と、
位置決めピン(5)をリミット孔(4)中に取り付け、位置決めピン(5)を固定した後に骨セメントによって脛骨プロステーシス(2)を固定するステップ6と、
を含み、
その中、好ましくは、ステップ5を実行する前に、スイベルボルト(63)によってバネ(62)の伸縮を調節することを特徴とする、請求項1〜9に記載の単顆型人工膝関節の使用方法。
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CN201710530828.1A CN109199647B (zh) | 2017-07-03 | 2017-07-03 | 半髁式人工膝关节 |
PCT/CN2018/093790 WO2019007287A1 (zh) | 2017-07-03 | 2018-06-29 | 半髁式人工膝关节 |
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CN110604635A (zh) * | 2019-09-27 | 2019-12-24 | 武汉德骼拜尔外科植入物有限公司 | 膝关节假体及其膝关节衬垫系统 |
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CN112971963B (zh) * | 2021-02-05 | 2023-07-21 | 山东大学齐鲁医院(青岛) | 一种胫骨平台取出装置 |
WO2023003929A1 (en) * | 2021-07-23 | 2023-01-26 | Smith & Nephew, Inc. | Arthroplasty knee implant devices |
CN113892999B (zh) * | 2021-10-13 | 2023-07-21 | 山东大学齐鲁医院(青岛) | 一种股骨打孔装置 |
CN114587717A (zh) * | 2022-03-07 | 2022-06-07 | 北京市春立正达医疗器械股份有限公司 | 双重固定方式保留骨量的膝关节多间室置换假体 |
CN116898640B (zh) * | 2023-07-10 | 2024-05-24 | 佳木斯骨科医院有限公司 | 一种用于膝关节置换的可植入型下肢假体 |
CN116712219B (zh) * | 2023-08-07 | 2023-10-20 | 北京爱康宜诚医疗器材有限公司 | 膝关节假体 |
CN117717443B (zh) * | 2024-02-08 | 2024-05-07 | 北京纳通医疗科技控股有限公司 | 单髁假体置换的定位装置和定位系统 |
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JP7011057B2 (ja) | 2022-01-26 |
US11129721B2 (en) | 2021-09-28 |
CN109199647A (zh) | 2019-01-15 |
EP3649989A1 (en) | 2020-05-13 |
EP3649989A4 (en) | 2020-07-01 |
CN109199647B (zh) | 2024-06-18 |
US20200383794A1 (en) | 2020-12-10 |
WO2019007287A1 (zh) | 2019-01-10 |
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