JP2022000292A - 多層骨インタフェース格子を備えるインプラント - Google Patents
多層骨インタフェース格子を備えるインプラント Download PDFInfo
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- JP2022000292A JP2022000292A JP2021166902A JP2021166902A JP2022000292A JP 2022000292 A JP2022000292 A JP 2022000292A JP 2021166902 A JP2021166902 A JP 2021166902A JP 2021166902 A JP2021166902 A JP 2021166902A JP 2022000292 A JP2022000292 A JP 2022000292A
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- Prior art keywords
- layer
- bone
- implant
- elongated curved
- curved structural
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- 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.)
- Granted
Links
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Landscapes
- Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
るインプラント)」と題された、2017年9月13日公開の米国公開第2018/0256351号に開示された本体部/支持構造、要素、フレーム、プレートまたは他の構造のうちの任意のものを利用してもよい。
要素を備えるインプラント)」と題された、2018年9月13日公開の米国公開第2018/0256352号に開示された本体部/支持構造、要素、フレーム、プレートまたは他の構造のうちの任意のものを利用してもよい。
」と題された、2018年9月13日公開の米国公開第2018/0256353号に開示された本体部/支持構造、要素、フレーム、プレートまたは他の構造のうちの任意のものを利用してもよい。
面を提供してもよい。他の場合には、凹部205の全体を手術ツールにより形成してもよい。たとえば、いくつかの場合では、皮質骨または小柱骨に、凹部を、穿設するか、リーマ仕上げするか、または別様に外科的に形成してもよい。
ば、第1層120は、基体110に隣接して配置されてもよい。さらに、格子115は、中央長手方向軸135に対して第1層120の外方に第1層120に隣接して配置された第2層125を含んでもよい。また、格子115は、第2層125の外方に第2層125に隣接する第3層130を含んでもよい。
ズおよび/または形状は、その長さに沿って変化することができるであろう(たとえば、直径が構造部材の長さに沿って変化することができるであろう)。
チド、およびRGDペプチドが挙げられる。一般に、これらの化学物質の組み合わせも使用してもよい。これらの化学物質は、スポンジ、基質またはゲルを使用して塗布することができる。
構成は、各層の変形性が層間遷移部によって変更されないままであることを保証してもよい。
ぎ、これは、骨吸収、および/または新しいインプラントのために凹部を作成するために行われるさらなるリーマ仕上げに起因して大きくなる。
って、関節窩1225への、ベース構成要素1235のさらなる固定を提供してもよい。第1ポスト1245および第2ポスト1250の、多層骨インタフェース格子を含んでもよい大略的エリアを点描で示す。
曲構造部材の多層骨インタフェース格子を含んでもよい。たとえば、図16に示すように、インプラント1600は、第1層1620、第2層1625および第3層1630を含んでもよい。いくつかの実施形態では、インプラント1600は、中心穴1607を有してもよい。骨移植片材料は、固定および骨内部成長を促進するために、中央穴1607に配置されてもよい。
骨片に挿入されてもよく、インプラント2100の第2端部2115は、別個の骨または骨片に挿入されてもよい。別個の骨(たとえば指骨)または骨片(たとえば骨折した長骨)にインプラント2100の対向端部を挿入することによって、インプラント2100は、別個の骨の癒合または別個の骨折した骨片の治癒を促進するようにこれらの骨を安定化させてもよい。
などの大きな骨内に埋め込むのに適したサイズを有していてもよい。
緒に実施してもよいことは理解されるであろう。したがって、実施形態は、添付の特許請求の範囲およびその均等物に鑑みる以外で制限されてはならない。また、添付の特許請求の範囲内で、種々の修正および変更を行ってもよい。
本願は、2016年10月25日に出願された米国仮出願第62/412,657号に対する優先権を主張し、同出願は、参照により本明細書に援用される。
Claims (15)
- 基体と、前記基体上に配置された骨インタフェース格子とを含む本体部を備えるインプラントであって、
前記骨インタフェース格子は、細長い湾曲構造部材の少なくとも2つの層を含み、
前記細長い湾曲構造部材の前記少なくとも2つの層は、前記基体に隣接する第1層と、前記第1層に隣接する第2層とを含み、
前記第1層は第1の変形性を有し、前記第2層は第2の変形性を有し、
前記第2の変形性は前記第1の変形性よりも大きく、
前記第2層が骨の凹部の内面に存在する凹凸に合うような圧縮性を有し、
前記第1層と前記第2層との間のインタフェース領域は、前記第1層の前記細長い湾曲構造部材が前記第2層の前記細長い湾曲構造部材と混在している、ある厚さを有する遷移領域であり、
前記第1の変形性は塑性変形性であり、前記第2の変形性は塑性変形性である、インプラント。 - 前記第1層は、前記第1層の外形が前記基体の外形と実質的に同じであるように実質的に一定の第1の厚さを有する、請求項1に記載のインプラント。
- 前記第2層は、前記第2層の外形が前記第1層の前記外形と実質的に同じであるように実質的に一定の第2の厚さを有する、請求項2に記載のインプラント。
- 前記第1層の前記細長い湾曲構造部材は第1ゲージを有し、前記第2層の前記細長い湾曲構造部材は第2ゲージを有し、
前記第2ゲージは前記第1ゲージよりも小さい、請求項1〜請求項3のいずれかに記載のインプラント。 - 前記骨インタフェース格子は、前記第2層に隣接する細長い湾曲構造部材の第3層を含み、
前記第3層は、前記細長い湾曲構造部材の前記第2層の第2の変形性よりも大きい第3
の変形性を有している、請求項1〜請求項4のいずれかに記載のインプラント。 - 前記本体部は、骨の凹部に挿入されるように構成された実質的に細長い形状を有する、請求項1〜請求項5のいずれかに記載のインプラント。
- 基体と、前記基体上に配置された骨インタフェース格子とを備える本体部を含むインプラントであって、
前記骨インタフェース格子は、細長い湾曲構造部材の少なくとも2つの層を含み、
前記細長い湾曲構造部材の前記少なくとも2つの層は、前記基体に隣接する第1層と、前記第1層に隣接する第2層とを含み、
前記第1層は第1の圧縮性を有し、前記第2層は第2の圧縮性を有し、
前記第2の圧縮性は前記第1の圧縮性よりも大きく、
前記第2の圧縮性は、前記第2層が骨の凹部の内面に存在する凹凸に合うような圧縮性であり、
前記第1層と前記第2層との間のインタフェース領域は、前記第1層の前記細長い湾曲構造部材が前記第2層の前記細長い湾曲構造部材と混在している、ある厚さを有する遷移領域であり、
前記第1の圧縮性は塑性変形性であり、前記第2の圧縮性は塑性変形性である
インプラント。 - 前記第1層は、前記第1層の外形が前記基体の外形と実質的に同じであるように実質的に一定の第1の厚さを有する、請求項7に記載のインプラント。
- 前記第2層は、前記第2層の外形が前記第1層の前記外形と実質的に同じであるように実質的に一定の第2の厚さを有する、請求項8に記載のインプラント。
- 前記第1層の前記細長い湾曲構造部材は第1ゲージを有し、前記第2層の前記細長い湾曲構造部材は第2ゲージを有し、
前記第2ゲージは前記第1ゲージよりも小さい、請求項7〜請求項9のいずれかに記載のインプラント。 - 前記骨インタフェース格子は、前記第2層に隣接する細長い湾曲構造部材の第3層を含み、
前記第3層は、前記細長い湾曲構造部材の第2層の前記第2の圧縮性よりも大きい第3の圧縮性を有している、請求項7〜請求項10のいずれかに記載のインプラント。 - 前記本体部は、骨の凹部に挿入されるように構成された実質的に細長い形状を有する、請求項7〜請求項11のいずれかに記載のインプラント。
- 基体と、前記基体上に配置された骨インタフェース格子とを備える本体部を含むインプラントであって、
前記骨インタフェース格子は、細長い湾曲構造部材の少なくとも2つの層を含み、
前記細長い湾曲構造部材の前記少なくとも2つの層は、前記基体に隣接する第1層と、前記第1層に隣接する第2層とを含み、
前記第1層の前記細長い湾曲構造部材は第1ゲージを有し、前記第2層の前記細長い湾曲構造部材は第2ゲージを有し、
前記第2ゲージは前記第1ゲージよりも小さく、
前記第2層が骨の凹部の内面に存在する凹凸に合うような圧縮性を有し、
前記第1層と前記第2層との間のインタフェース領域は、前記第1層の前記細長い湾曲構造部材が前記第2層の前記細長い湾曲構造部材と混在している、ある厚さを有する遷移
領域であり、
前記第2層の圧縮性は塑性変形性である、インプラント。 - 前記第1層は、前記第1層の外形が前記基体の外形と実質的に同じであるように実質的に一定の第1の厚さを有する、請求項13に記載のインプラント。
- 前記第2層は、前記第2層の外形が前記第1層の前記外形と実質的に同じであるように実質的に一定の第2の厚さを有する、請求項14に記載のインプラント。
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US11033394B2 (en) | 2021-06-15 |
WO2018081073A1 (en) | 2018-05-03 |
JP6960461B2 (ja) | 2021-11-05 |
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JP2019531866A (ja) | 2019-11-07 |
US20210307909A1 (en) | 2021-10-07 |
EP3531981A1 (en) | 2019-09-04 |
EP3531981A4 (en) | 2020-08-12 |
CN110418624B (zh) | 2022-01-28 |
CN114366265A (zh) | 2022-04-19 |
WO2018081073A8 (en) | 2019-10-17 |
US20180296350A1 (en) | 2018-10-18 |
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CN110418624A (zh) | 2019-11-05 |
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