JP6918706B2 - 解剖学的に成形された補強材 - Google Patents
解剖学的に成形された補強材 Download PDFInfo
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- JP6918706B2 JP6918706B2 JP2017559031A JP2017559031A JP6918706B2 JP 6918706 B2 JP6918706 B2 JP 6918706B2 JP 2017559031 A JP2017559031 A JP 2017559031A JP 2017559031 A JP2017559031 A JP 2017559031A JP 6918706 B2 JP6918706 B2 JP 6918706B2
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- 230000002787 reinforcement Effects 0.000 title claims description 168
- 239000007943 implant Substances 0.000 claims description 65
- 230000003014 reinforcing effect Effects 0.000 claims description 49
- 210000000988 bone and bone Anatomy 0.000 claims description 28
- 239000012779 reinforcing material Substances 0.000 claims description 26
- 239000003351 stiffener Substances 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 23
- 230000000399 orthopedic effect Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 238000001356 surgical procedure Methods 0.000 claims 1
- 210000000689 upper leg Anatomy 0.000 description 58
- 210000002303 tibia Anatomy 0.000 description 52
- 230000001054 cortical effect Effects 0.000 description 7
- 230000002028 premature Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 208000006386 Bone Resorption Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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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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- A—HUMAN NECESSITIES
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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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- A—HUMAN NECESSITIES
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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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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Physical Education & Sports Medicine (AREA)
- Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Prostheses (AREA)
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Description
102 脛骨ベースプレート
104、104’ 脛骨補強材
106 ステム
108 ステム中心軸
110 トレイステム
112 オフセットした/角度のついたカプラ
114 トレイステム中心軸
116 近位脛骨
118 髄内管
120 内壁
122 前内側壁
124 後湾曲壁
126 前外側壁
128 補強壁
130 内側部分
132 外側部分
134 中心線
136 長さ方向中心軸
138a 第1の側
138b 第2の側
140a、140b 開口部
142a、142b キール
144 内側領域
146 遠位端部
148 近位端部
150 後湾曲部分
152 前内側部分
154 横断軸
156a 概ね平坦なセクション
156b、156c 丸い端部セクション
158a 丸いセクション
158b、158c 概ね平坦なセクション
160 脛骨結節
162 海綿部位
166 外側壁
200 大腿骨インプラント装置
202 大腿骨関節コンポーネント
204 髄内ステム
206、206’ 大腿骨補強材
208 遠位補強材
210 後方補強材
212 ステム中心軸
216 オフセットした/角度のついたカプラ
218 コンポーネントステム軸
220 コンポーネントステム
222 補強壁
224 中心軸
226 内側部分
228 外側部分
230 内側領域
232 遠位端部
234 近位端部
236 逃げ面
238 側壁
238a 第1の側壁
238b 第2の側壁
240 基部壁
242a、242b 第1の端部
244a、244b 第2の端部
246 補強フランジ
248 前方フランジ
250 リリーフエリア
Claims (17)
- 整形外科用インプラント装置を骨に植え込むための補強材であって、前記補強材は、
外側部分および内側部分を有する補強壁を含み、前記内側部分は、前記補強材の内側領域を画定し、前記内側領域は、前記整形外科用インプラント装置の1つまたは複数のコンポーネントの設置を受け入れるようにサイズ決めされ、前記外側部分の遠位端部は、前記骨の管の骨幹端−骨幹移行部の形状に概ね適合するように構成された第1の形状を有し、前記外側部分の近位端部は、前記骨の管の骨幹端領域の形状に概ね適合するように構成された第2の形状を有し、前記第1の形状は、前記第2の形状とは異なる形状およびサイズを有し、
前記外側部分の一部は、前記整形外科用インプラント装置のコンポーネントに対する前記補強材の回転変位に適応するように構成された逃げ面を含み、
前記補強壁は、前記整形外科用インプラント装置の1つまたは複数のコンポーネントの周りに前記補強材の設置に適応するため前記補強壁の少なくとも一部を引き裂くように構成された、1つまたは複数の引き裂きエリアを含み、
前記引き裂きエリアが、前記逃げ面に形成されている、補強材。 - 外壁の前記遠位端部の前記第1の形状は、おおよそ前記骨の管の前記骨幹端−骨幹移行部と前記骨幹端領域との間の距離である距離だけ、前記近位端部の前記第2の形状から離れている、請求項1に記載の補強材。
- 外壁の前記近位端部は、後湾曲部分および前内側部分を含み、前記後湾曲部分の少なくとも一部は、前記骨幹端領域において前記管の後湾曲壁に概ね適合するように成形され、前記前内側部分の少なくとも一部は、前記骨幹端領域において前記管の前内側壁に概ね適合するように成形され、前記近位端部における前記後湾曲部分の形状は、前記近位端部における前記前内側部分の形状とは異なる、請求項1または2に記載の補強材。
- 前記外側部分の前記遠位端部は、略円形または楕円の形状を有する、請求項1から3のいずれか一項に記載の補強材。
- 前記外側部分の前記近位端部は、略円形または楕円の形状を有する、請求項1から4のいずれか一項に記載の補強材。
- 前記補強壁は、前記近位端部から前記補強壁の前記外側部分および前記内側部分を通って延びる、1つまたは複数の開口部を含み、前記1つまたは複数の開口部は、前記整形外科用インプラント装置のコンポーネントの一部の設置を受け入れるようにサイズ決めされる、請求項1から5のいずれか一項に記載の補強材。
- 前記1つまたは複数の開口部は、第1の開口部および第2の開口部を含み、前記第1および第2の開口部はそれぞれ、前記整形外科用インプラント装置のキールの挿入を受け入れるようにサイズ決めされる、請求項6に記載の補強材。
- 前記逃げ面は、患者に植え込まれたときに前記逃げ面が前記整形外科用インプラント装置の前方フランジに隣接することができる場所において、前記外側部分に沿って位置付けられている、請求項1から7のいずれか1項に記載の補強材。
- 前記逃げ面は、少なくとも1つの側壁を含み、前記少なくとも1つの側壁は、前記近位端部から前記遠位端部に向かって延びるにつれて外側に向かって先細になっている、請求項1から8のいずれか一項に記載の補強材。
- 前記逃げ面は、合流する一対の側壁を含み、前記合流する一対の側壁のうちの各側壁は、反対の方向に延び、前記合流する一対の側壁のうちの各側壁の端部は、前記外側部分の対向部分に隣接している、請求項1から9のいずれか一項に記載の補強材。
- 整形外科用インプラント装置を骨に植え込むための補強材であって、前記補強材は、
後湾曲部分および前内側部分を有する補強壁を含み、前記補強材の第1の端部における前記後湾曲部分は、前記骨の管の骨幹端−骨幹移行部において前記管の後湾曲壁に概ね適合するように成形され、前記補強材の第2の端部における前記後湾曲部分は、前記管の骨幹端領域において前記管の後湾曲壁に概ね適合するように成形され、前記補強材の前記第1の端部における前記前内側部分は、前記骨幹端−骨幹移行部において前記管の前内側壁に概ね適合するように成形され、前記補強材の前記第2の端部における前記前内側部分は、前記管の前記骨幹端領域において前記前内側壁に概ね適合するように成形され、前記骨幹端領域における前記後湾曲部分の形状は、前記骨幹端領域における前記前内側部分の形状とは異なり、
前記補強壁の外側部分は、前記整形外科用インプラント装置のコンポーネントに対する前記補強材の回転変位に適応するように構成された、逃げ面を含み、
前記補強壁は、前記整形外科用インプラント装置の1つまたは複数のコンポーネントの周りでの前記補強材の設置に適応するため前記補強材の少なくとも一部を解放するように構成された、1つまたは複数のリリーフエリアを含み、
前記リリーフエリアが、前記逃げ面に形成されている、補強材。 - 外壁の前記第1の端部における前記後湾曲部分の形状および前記前内側部分の形状は、おおよそ前記骨の管の前記骨幹端−骨幹移行部と前記骨幹端領域との間の距離である距離だけ、前記第2の端部における前記後湾曲部分の形状および前記前内側部分の形状から離れている、請求項11に記載の補強材。
- 前記後湾曲部分および前記前内側部分は、前記補強材の前記第1の端部において略円形または楕円の形状を有する、請求項11または12に記載の補強材。
- 前記補強壁は、前記第2の端部から前記補強壁を通って延びる1つまたは複数の開口部を含み、前記1つまたは複数の開口部は、前記整形外科用インプラント装置のコンポーネントの一部の設置を受け入れるようにサイズ決めされ、前記補強壁は、前記整形外科用インプラント装置の1つまたは複数のコンポーネントの挿入を受け入れるようにサイズ決めされた内側領域を概ね画定している、請求項11から13のいずれか一項に記載の補強材。
- 前記1つまたは複数の開口部は、第1の開口部および第2の開口部を含み、前記第1および第2の開口部はそれぞれ、前記整形外科用インプラント装置のキールの挿入を受け入れるようにサイズ決めされる、請求項14に記載の補強材。
- 前記逃げ面は、患者に植え込まれたときに前記逃げ面が前記整形外科用インプラント装置の前方フランジに隣接することができる場所において、前記外側部分に沿って位置付けられている、請求項11から15のいずれか一項に記載の補強材。
- 前記逃げ面は、少なくとも1つの側壁を含み、前記少なくとも1つの側壁は、前記第2の端部から前記第1の端部に向かって延びるにつれて外側に向かって先細になっている、請求項11から16のいずれか一項に記載の補強材。
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