JP2010515478A - 滅菌接触面を有する人工寛骨臼 - Google Patents
滅菌接触面を有する人工寛骨臼 Download PDFInfo
- Publication number
- JP2010515478A JP2010515478A JP2009544482A JP2009544482A JP2010515478A JP 2010515478 A JP2010515478 A JP 2010515478A JP 2009544482 A JP2009544482 A JP 2009544482A JP 2009544482 A JP2009544482 A JP 2009544482A JP 2010515478 A JP2010515478 A JP 2010515478A
- Authority
- JP
- Japan
- Prior art keywords
- insert
- acetabulum
- insertion shell
- indwelling
- orientation
- 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.)
- Granted
Links
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- 230000001954 sterilising effect Effects 0.000 claims description 7
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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
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T29/00—Metal working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
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- Y10T29/4984—Retaining clearance for motion between assembled parts
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Abstract
Description
・ 患者の骨盤における寛骨臼窩洞にアンカーされるよう適合された実質的に半球形である凸状外部アンカー面を備え、また、環状エッジを有する凹状受容面を備える、金属挿入シェル、及び、
・ 該挿入シェルの凹状受容面において係合される外部面を備え、また、大腿骨人工頭又は可動関節インサートの係合及びピボットを可能にするよう実質的に半球形である凹状関節表面を含む内部受容面を備える、セラミック固定最終関節インサート、
を有する寛骨臼を提案する。該セラミック固定最終関節インサートは、約4mmより薄いか、あるいはそれと同等である厚さを備える。挿入シェルは、環状受容構造を有する。該環状受容構造は、挿入シェルに挿入される固定最終関節インサートの受容面を越えて突出し、また、インパクターがセラミック固定最終関節インサートの存在下で該環状受容面に対して固定され得るよう適合され得る環状受容面を有する。挿入シェルは、環状エッジの近くにおいて、約4mmより薄いかあるいは同等であり且つ2mmより大きい厚さを備える。
・ 末梢受容構造は、連続的あるいは非連続的環状溝を有し得、
・ 留置及び配向インサートは、該環状溝において弾性的に係合される連続的あるいは非連続的環状リブを有し得る。
・ 末梢受容構造は、雌ねじ又は雄ねじを有し得、
・ 留置及び配向インサートは、留置及び配向インサートを末梢受容構造に対してそれをねじ込むことによって取外し可能に固定するよう、末梢受容構造のねじ山に対応する雄ねじ又は雌ねじを有し得る。
・ 留置及び配向インサートは、留置及び配向インサートが挿入シェルの末梢受容構造に対して固定されると、留置及び配向インサートと固定最終関節インサートの凹状関節表面の下部との間において自由空間が残されるよう適合される。
・ 留置及び配向インサートは、挿入シェルの短い環状伸張部(short annular extension)におけるその末梢において密封接触され得る。
・ 固定穴は、開放穴であり得、外部と、留置及び配向インサートと固定最終関節インサートとの間における自由空間との間において連通を与え、また、そこにシリンジの端部を密封して係合する寸法にされる。
a) 凹状受容面及び突出する環状受容面を備える金属挿入シェルを与える段階、
b) 外部面及び凹状関節表面を備えるセラミック関節インサートを与える段階、
c) 挿入シェルの凹状受容面において関節インサートの外部面を係合させる段階、及び、
d) 細菌防御(プロテクション)エンベロープにおいて形成される組合せを滅菌する段階、
を有する。
e) 手術室において密封されたエンベロープを開放する段階、
f) インパクターを寛骨臼に対して固定する段階、及び、
g) 骨における寛骨臼窩洞において寛骨臼を係合し、骨に対して固定するよう寛骨臼にインパクト(衝撃)を与える(impacting)段階、
を有するかかる方法を提案する。
・ 挿入シェル1は、患者の骨盤における寛骨臼窩洞にアンカーされるよう適合された実質的に半球形である凸状外部アンカー面2を備え、また凹状受容面3を備え、また、
・ セラミック固定最終関節インサート4は、該挿入シェル1の凹状受容面3において係合する外部面5を備え、また、大腿骨人工頭又は可動関節インサート(図示せず)の係合及びピボットを可能にするよう実質的に半球形である凹状関節表面7を有する内部受容面6を備える。
Claims (18)
- 寛骨臼であって、
・ 患者の骨盤における寛骨臼窩洞にアンカーされるよう適合された実質的に半球形である凸状外部アンカー面(2)を備え、また、環状エッジ(9)を有する凹状受容面(3)を備える、金属挿入シェル(1)と、
・ 該挿入シェル(1)の前記凹状受容面(3)において係合される外部面(5)を備え、また、大腿骨人工頭又は可動関節インサートの係合及びピボットを可能にするよう実質的に半球形である凹状関節表面(7)を有する内部受容面(6)を備える、セラミック固定最終関節インサート(4)と、
を有し、
該セラミック固定最終関節インサート(4)は、約4mmより薄いかあるいはそれと同等である厚さ(E’)を備え、
前記挿入シェル(1)は、環状受容構造(8)を有し、該環状受容構造(8)は、前記挿入シェル(1)に挿入される前記固定最終関節インサート(4)の前記受容面(6)を越えて突出し、また、前記セラミック固定最終関節インサート(4)の存在下においてインパクター(15)が固定され得るよう適合された環状受容面(10)を有し、
前記挿入シェル(1)は、前記環状エッジ(9)の近くにおいて、約4mmより小さいかあるいは同等であり且つ2mmより大きい厚さ(E)を備える、
ことを特徴とする寛骨臼。 - 前記環状受容面(10)は、前記挿入シェル(1)の前記凹状受容面(3)から延在し、且つ前記挿入シェル(1)の前記凹状受容面(3)に連続する、
ことを特徴とする請求項1記載の寛骨臼。 - 当該寛骨臼は、留置及び配向インサート(11)に関連付けられ、前記挿入シェル(1)の前記末梢受容構造(8)に対して取外し可能に固定され、また、前記インパクター(15)が取外し可能に固定され得る組立体構造(12)を有する、
ことを特徴とする請求項1又は2記載の寛骨臼。 - 当該寛骨臼は、前記挿入シェル(1)において係合される前記セラミック固定最終関節インサート(4)を有して、また、前記挿入シェル(1)に対して固定される前記留置及び配向インサート(11)を有して、滅菌状態において組み立てられてパッケージされる、
ことを特徴とする請求項3記載の寛骨臼。 - 前記留置及び配向インサート(11)は、ポリエチレンを有して作られる、
ことを特徴とする請求項3又は4記載の寛骨臼。 - 前記組立体構造(12)は、前記留置及び配向インサート(11)において形成される固定ねじ穴(13)を有し、前記インパクター(15)の対応するねじ部(14)のねじ込みを可能にする、
ことを特徴とする請求項3乃至5のうちいずれか一項記載の寛骨臼。 - 前記挿入シェル(1)の前記環状受容面(10)に対して固定される前記留置及び配向インサート(11)は、前記セラミック固定最終関節インサート(4)の前記内部受容面(6)上に位置するか、あるいは該内部受容面(6)から短い距離をおく、
ことを特徴とする請求項3乃至6のうちいずれか一項記載の寛骨臼。 - 前記環状受容面(10)に対して固定される前記留置及び配向インサート(11)は、それを前記挿入シェル(1)に保定するために前記セラミック固定最終関節インサート(4)において位置するよう適合される、1つ又はそれより多くの突出する弾性リブ(11a)を有する、
ことを特徴とする請求項3乃至6のうちいずれか一項記載の寛骨臼。 - ・ 前記末梢受容構造(8)は、連続的又は非連続的環状溝(16)を有し、
・ 前記留置及び配向インサート(11)は、前記環状溝(16)において弾性的に係合される連続的又は非連続的環状リブ(17)を有する、
ことを特徴とする請求項3乃至8のうちいずれか一項記載の寛骨臼。 - ・ 前記環状溝(16)は、連続的であり、
・ 前記留置及び配向インサート(11)の前記環状リブ(17)は、前記環状溝(16)において弾性的に係合される連続的な外部環状リブ(17)である、
ことを特徴とする請求項9記載の寛骨臼。 - ・ 前記末梢受容構造(8)は、雌ねじ又は雄ねじを有し、
・ 前記留置及び配向インサート(11)は、前記末梢受容構造(8)に対して前記留置及び配向インサートをねじ込むことによって前記留置及び配向インサートを取外し可能に固定するよう前記末梢受容構造(8)のねじ山と協働する、雄ねじ又は雌ねじを有する、
請求項3乃至8のうちいずれか一項記載の寛骨臼。 - 前記固定ねじ穴(13)は、開放穴であり、該開放穴は、前記固定穴(13)へとねじ込まれるよう適応されるねじロッド(19)を有する分離ツール(18)と協働するよう適応され、また、前記留置及び配向インサート(11)の前記固定穴(13)への前記ねじロッド(19)のねじ込み中に、前記固定最終関節インサート(4)の前記凹状関節表面(7)に対して位置するよう適合される遠位端部(20)を備える、
ことを特徴とする請求項6記載の寛骨臼。 - ・ 前記留置及び配向インサート(11)は、該留置及び配向インサート(11)が前記挿入シェル(1)の前記末梢受容構造(8)に対して固定されると、前記留置及び配向インサート(11)と前記固定最終関節インサート(4)の前記凹状関節表面(7)の下部との間において自由空間(S)が残るよう、適合され、
・ 前記留置及び配向インサート(11)は、前記挿入シェル(1)の短い環状伸張部(9)における末梢において密封接触し、
・ 前記固定穴(13)は、開放穴であり、該開放穴は、前記留置及び配向インサート(11)と前記固定最終関節インサート(4)との間における前記自由空間(S)と、外部との間において連絡を与え、そこにシリンジの端部を密封して係合するよう寸法を定められる、
ことを特徴とする請求項6記載の寛骨臼。 - 前記挿入シェル(1)は、外部固定突起(25)を有する、
請求項1乃至12のうちいずれか一項記載の寛骨臼。 - 人工股関節寛骨臼を製造する方法であって、
a) 凹状受容面(3)及び突出する環状受容構造(8)を備える金属挿入シェル(1)を与える段階と、
b) 外部面(5)及び凹状関節表面(7)を備えるセラミック関節インサート(4)を与える段階と、
c) 前記関節インサート(4)の前記外部面(5)を前記挿入シェル(1)の凹状受容面(3)において係合させる段階と、
d) 細菌防御エンベロープにおいて形成される組合せを滅菌する段階と、
を有する方法。 - 前記滅菌段階d)は、ガンマ線を使用する照射によって達成される、
ことを特徴とする請求項15記載の方法。 - 滅菌の前に、留置及び配向インサート(11)を前記挿入シェル(1)に対して固定する追加的な段階c1)を更に有する、
ことを特徴とする請求項15又は16記載の方法。 - e) 密封された前記エンベロープを手術室において開封する段階と、
f) インパクターを前記寛骨臼に対して固定する段階と、
g) 前記寛骨臼を骨における寛骨臼窩洞において係合させ、前記骨に対して前記寛骨臼を固定するよう該寛骨臼にインパクトを与える段階と、
を続く段階として有する、
ことを特徴とする請求項15乃至17のうちいずれか一項記載の方法。
Applications Claiming Priority (3)
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FR0752558A FR2911062B1 (fr) | 2007-01-08 | 2007-01-08 | Cotyle a interface sterile |
FR0752558 | 2007-01-08 | ||
PCT/IB2008/050047 WO2008135868A1 (fr) | 2007-01-08 | 2008-01-08 | Cotyle a interface sterile |
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JP2013152196A Division JP5671106B2 (ja) | 2007-01-08 | 2013-07-23 | 人工寛骨臼体外組立体の製造方法 |
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JP2009544482A Active JP5437075B2 (ja) | 2007-01-08 | 2008-01-08 | 滅菌接触面を有する人工寛骨臼 |
JP2013152196A Active JP5671106B2 (ja) | 2007-01-08 | 2013-07-23 | 人工寛骨臼体外組立体の製造方法 |
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EP (2) | EP2101688B1 (ja) |
JP (2) | JP5437075B2 (ja) |
KR (2) | KR101422462B1 (ja) |
CN (2) | CN101600403B (ja) |
AT (1) | ATE534349T3 (ja) |
AU (2) | AU2008247066B2 (ja) |
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CA (2) | CA2674624C (ja) |
DE (2) | DE08700220T1 (ja) |
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