JP5840645B2 - ヒトまたは動物組織内に埋入されるデバイスならびに該デバイスの埋入および組立て方法 - Google Patents
ヒトまたは動物組織内に埋入されるデバイスならびに該デバイスの埋入および組立て方法 Download PDFInfo
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- JP5840645B2 JP5840645B2 JP2013093472A JP2013093472A JP5840645B2 JP 5840645 B2 JP5840645 B2 JP 5840645B2 JP 2013093472 A JP2013093472 A JP 2013093472A JP 2013093472 A JP2013093472 A JP 2013093472A JP 5840645 B2 JP5840645 B2 JP 5840645B2
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- bone tissue
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Description
本発明によるデバイスは、2つ(または2つより多く)のパーツを備えており、かかるパーツは、機械的発振、特に超音波振動をパーツの1つに対して、このパーツを機械的振動ツールと接触させることにより適用して用いて組み立てられる、すなわち一体化されるように具備される。デバイスパーツは、通常、人工材料からなるが、一部のパーツは骨組織からなるものであってもよい。デバイスの該2つのパーツは各々、接合区域を備えており、パーツを接合するように配置すると、この2つの接合区域が互いに適合して互いに接触した状態となり、接合プロセス後に互いに連結した状態となり、このとき、もたらされる接合は積極(positive)嵌合連結である。
・態様A:第1のデバイスパーツは、骨組織内において第2のデバイスパーツの支持部を構成する。支持部パーツは、骨組織内において液化性材料と機械的振動の補助によって係留されるように具備され、好ましくは、第1接合区域を備えている。第2のデバイスパーツ(被支持部パーツ)の遠位端は、支持部パーツによって骨組織に固定され、好ましくは、第2接合区域を備えている。支持部パーツは、機械的振動によって骨組織内に係留される。被支持部パーツは支持部パーツに、やはり機械的振動によって接合される。支持部パーツおよび被支持部パーツの具体的な設計にもよるが、骨組織内での支持部パーツの係留および被支持部パーツとの接合は、振動を最初に支持部パーツに適用し、次いで被支持部パーツに適用する連続する2つの工程で行なうか、または振動を支持部パーツに適用する1つの工程で行なう。
R208で入手可能)、ならびに対応するコポリマーおよび混合ポリマー、または前記ポリマーと充填材もしくは強化材(例えば、繊維、ウィスカー、ナノプレートレットもしくはナノチューブなど)とを含有する複合材料である。
図57および58は、脊柱を支え、椎体間に所望の間隔を維持するための、ロッド(可動性パーツ101)を近接する椎体51に固定するためのロッドロック適用を示す。ロッドロックデバイスは、実質的には、図56によるデバイスであって、取り外し不可能なベアリングパーツに突起部105が具備され、該突起部は、例えば、ロックデバイスが、椎体内に設けられた対応する穴に係留されるように具備される。図57は、ロッドの周囲に密封されたロックデバイスを拡大して示し、図58は、椎体に載置されたロックデバイスを示す。
Claims (18)
- デバイスを非ヒト動物の体に埋入し、組み立てるための方法であって、
該デバイスの支持部パーツ(1)と、被支持部パーツ(2)とを準備する工程であって、該2つのパーツ(1,2)のそれぞれが、対応する接合区域ペアの一方を備えており、該支持部パーツ(1)の第1接合区域(F)は液化性材料を備えており、該被支持部パーツ(2)の第2接合区域(S)は、非液化性材料と、液化性材料との積極嵌合連結を形成するのに適した構造部とを備えており、該支持部パーツ(1)の第1接合区域(F)は、その遠位端または遠位部分に存在する工程、
該非ヒト動物の患者の骨組織(11)内またはさらなるデバイスパーツ内に貫通開口部(10)を設ける工程であって、貫通開口部(10)は隣接口と遠位口とを備えている工程、
被支持部パーツ(2)を骨組織(11)またはさらなるデバイスパーツに対して、その接合区域が、貫通開口部(10)の遠位口またはこの遠位口を超えて存在するように配置する工程、
支持部パーツ(1)を貫通開口部(10)内に配置する工程であって、遠位端またはその一部分が被支持部パーツ(2)の第2接合区域(S)と接触しており、その隣接面が開口部(10)の隣接口領域内に存在するように配置する工程、および
支持部パーツ(1)を被支持部パーツ(2)に対して押圧する工程と、支持部パーツ(1)に、第1接合区域(F)の液化性材料が液化して第2接合区域(S)の構造部に浸透するのに充分な時間、機械的振動を連動させる工程
を含む、方法。 - 支持部パーツ(1)がピン形状であり、貫通開口部(10)が穴である、請求項1に記載の方法。
- 支持部パーツ(1)の隣接部分が骨組織(11)内に、さらなる液化性材料と機械的振動の補助によって係留されるように具備されており、支持部パーツ(1)が貫通開口部(10)の壁面内に係留されると同時に被支持部パーツ(2)に接合される、請求項1または2に記載の方法。
- 該液化性材料と該さらなる液化性材料が同じ材料であり、支持部パーツ(1)がピン形状であり、前記同じ材料を隣接部と遠位端または遠位部に備えている、請求項3に記載の方法。
- 支持部パーツ(1)の隣接部が、貫通開口部(10)内にヘッド部によって保持されるように具備される、請求項2に記載の方法。
- 貫通開口部(10)が非直線状の軸を有し、支持部パーツ(1)が、該貫通開口部内に保持されるように圧力と振動の影響下で屈曲している、請求項2に記載の方法。
- 被支持部パーツ(2)が、骨断片(11.1)が支持部パーツ(1)の補助によって接合される関節置換プロテーゼである、請求項2〜6のいずれか1項に記載の方法。
- 被支持部パーツ(2)が、関節のベアリング表面の表面再形成のためのエンドプロテーゼ、または幹部を有するエンドプロテーゼであり、相応して下準備した骨組織(11)に複数の支持部パーツ(1)の補助によって固定される、請求項2〜7のいずれか1項に記載の方法。
- 被支持部パーツ(2)が、髄内釘(85)またはプレートであり、管状骨(45)の一方の壁面を貫通して延在している複数の支持部パーツ(1)の補助によって環状骨(45)の髄腔内に固定される、請求項2〜7のいずれか1項に記載の方法。
- 貫通開口部(10)がさらなるデバイスパーツ内に設けられており、該さらなるデバイスパーツが、骨断片が支持部パーツ(1)の補助によって固定される関節のベアリング表面と置換するためのエンドプロテーゼ、または2つの近接する椎体(51)に複数の支持部パーツ(1)の補助によって固定される椎間円板と置換するための椎間部材(50)である、請求項2〜7のいずれか1項に記載の方法。
- ヒトまたは動物の患者に埋入され、組み立てられるデバイスであって、
該デバイスは、支持部パーツ(1)と、被支持部パーツ(2)とを備え、
該2つのデバイスパーツ(1,2)のそれぞれが対応する接合区域ペアの接合区域を備えており、
該支持部パーツ(1)の第1接合区域(F)は液化性材料を備えており、該被支持部パーツ(2)の第2接合区域(S)は、非液化性材料と、該液化性材料との積極嵌合連結を形成するのに適した構造部とを備えており、
該支持部パーツ(1)の第1接合区域(F)がその遠位側に存在しており、
該デバイスは、以下の工程:
該患者の骨組織(11)内またはさらなるデバイスパーツ内に貫通開口部(10)を設ける工程であって、貫通開口部(10)は隣接口と遠位口とを備えている工程、
被支持部パーツ(2)を骨組織(11)またはさらなるデバイスパーツに対して、その接合区域が、貫通開口部(10)の遠位口またはこの遠位口を超えて存在するように配置する工程、
支持部パーツ(1)を貫通開口部(10)内に配置する工程であって、遠位端またはその一部分が被支持部パーツ(2)の第2接合区域(S)と接触しており、その隣接面が開口部(10)の隣接口領域内に存在するように配置する工程、および
支持部パーツ(1)を被支持部パーツ(2)に対して押圧する工程と、支持部パーツ(1)に、第1接合区域(F)の液化性材料が液化して第2接合区域(S)の構造部に浸透するのに充分な時間、機械的振動を連動させる工程
を含む方法で該患者の中で組立てられる、デバイス。 - 支持部パーツ(1)が、隣接領域において、さらなる液化性材料と機械的振動の補助によって骨組織(11)内に係留されるように具備される、請求項11に記載のデバイス。
- 該液化性材料と該さらなる液化性材料が同じ材料であり、支持部パーツ(1)が、前記同じ材料からなるか、または前記同じ材料でコーティングされている、請求項12に記載のデバイス。
- 支持部パーツ(1)が、ヘッド部セクションまたは肩部を備えている、請求項11に記載のデバイス。
- 支持部パーツ(1)がピン形状である、請求項11〜14のいずれか1項に記載のデバイス。
- 被支持部パーツが、関節部分と置換されるエンドプロテーゼまたはかかるエンドプロテーゼの幹部、関節のベアリング表面と置換されるエンドプロテーゼ、管状骨の骨折部(65)を安定させるための髄内釘(85)またはプレートまたはピンである、請求項15に記載のデバイス。
- 内部に開口部(10)が延在するさらなるデバイスパーツを備え、該さらなるデバイスパーツが、関節のベアリング表面と置換されるエンドプロテーゼまたは椎間円板と置換するための椎間部材(50)である、請求項15に記載のデバイス。
- 該開口部が非直線状の軸を有する、請求項17に記載のデバイス。
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