JP2008279253A - モジュール式補綴コンポーネント - Google Patents
モジュール式補綴コンポーネント Download PDFInfo
- Publication number
- JP2008279253A JP2008279253A JP2008122510A JP2008122510A JP2008279253A JP 2008279253 A JP2008279253 A JP 2008279253A JP 2008122510 A JP2008122510 A JP 2008122510A JP 2008122510 A JP2008122510 A JP 2008122510A JP 2008279253 A JP2008279253 A JP 2008279253A
- Authority
- JP
- Japan
- Prior art keywords
- head
- sleeve
- stem
- prosthetic component
- bone
- 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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- 239000012620 biological material Substances 0.000 claims abstract description 7
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- 239000000560 biocompatible material Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 210000001519 tissue Anatomy 0.000 claims description 4
- 238000001356 surgical procedure Methods 0.000 claims description 3
- 230000000399 orthopedic effect Effects 0.000 abstract description 9
- 210000002436 femur neck Anatomy 0.000 abstract description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 10
- 210000000689 upper leg Anatomy 0.000 description 9
- 239000007943 implant Substances 0.000 description 7
- 229910052715 tantalum Inorganic materials 0.000 description 6
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 229910001257 Nb alloy Inorganic materials 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000003278 mimic effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 210000001185 bone marrow Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
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- 238000000576 coating method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- -1 niobium Chemical class 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
Images
Classifications
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- 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
- 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
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter
-
- 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
- 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
- A61F2310/00161—Carbon; Graphite
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00419—Other metals
- A61F2310/00491—Coating made of niobium or Nb-based alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00419—Other metals
- A61F2310/00544—Coating made of tantalum or Ta-based alloys
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Abstract
【解決手段】モジュール式ステムコンポーネント10は、シャフト部分22と、頭部14と、スリーブ16とを含むことができる。シャフト部分22は、骨の髄内管内に受容されるように構成されており、頭部14は大腿骨骨頭のようなモジュール式補綴システムの他のコンポーネントを受容するように構成されている。一つの例示の実施形態では、頭部14は、ステムコンポーネント10の少なくとも一部の周囲から半径方向に延びていると共に、リブを含んでおり、リブはステムコンポーネント10から延びるフランジ50を規定している。スリーブ16は、モジュール式ステムコンポーネント10の独立した部品として形成され且つ少なくとも部分的に高多孔性生体適合材料から形成されており、両端部を含み、貫通して延びる内孔53を有している。
【選択図】図1
Description
対応する参照符号は、複数の図面を通して対応する部分を指している。本願に記載される例示は、本発明の好ましい実施形態を示しており、このような例示は決して本発明の範囲を限定するものと解釈されるべきではない。
12 ステム
14 頭部
16 スリーブ
22 シャフト部分
50 フランジ
53 内孔
54 内側表面
64 外側表面
66 端部表面
67 端部表面
71 スリーブ
72 外側表面
80 スリーブ
82 外側表面
84 タブ
90 スリーブ
92 外側表面
95 フランジ
100 スリーブ
102 外側表面
104 タブ
106 頭部
120 スリーブ
130 スリーブ
Claims (19)
- 骨内に移植されるように構成されたモジュール式補綴コンポーネントであって、
長手軸線を規定する細長いシャフト部分を有したステムと、
前記ステムから延びており停止部を有した頭部と、
前記頭部上に受容されるような寸法に形成されたスリーブと、
を備え、前記スリーブの少なくとも一部が組織の内部成長を可能にする高多孔性生体適合材料から形成されており、前記スリーブが、外側表面と、内孔を規定する内側表面と、前記外側表面と前記内側表面とを接続する両端部とを有し、前記頭部上を第1の方向に摺動して受容されるような寸法に形成されており、前記停止部が前記スリーブの第1の方向への移動を制限する結果、前記ステムが前記骨内に移植されたときに前記スリーブが前記停止部と前記骨とによって捕捉されるようになっていることを特徴とするモジュール式補綴コンポーネント。 - 前記ステム及び前記頭部は一体的なモノリシックコンポーネントを形成している、請求項1に記載のモジュール式補綴コンポーネント。
- 前記ステム及び前記頭部はそれぞれ別個のコンポーネントである、請求項1に記載のモジュール式補綴コンポーネント。
- 前記頭部は、前記スリーブの前記内孔内に受容されるように構成された外側表面をさらに含む、請求項1に記載のモジュール式補綴コンポーネント。
- 前記頭部の前記外側表面がテーパ状になっており、前記スリーブの前記内孔が対応してテーパ状になっている、請求項4に記載のモジュール式補綴コンポーネント。
- 前記スリーブが生体適合性接着材によって前記頭部に固定される、請求項1に記載のモジュール式補綴コンポーネント。
- 前記停止部が外側表面を有したフランジであり、前記外側表面が第1の直径を有している、請求項1に記載のモジュール式補綴コンポーネント。
- 異なる寸法を有した複数のスリーブをさらに備え、前記複数のスリーブの各々が、前記ステム上に受容されるような寸法に形成されており、外側表面と、内孔を規定する内側表面と、前記外側表面と前記内側表面とを接続する両端部とを有し、前記複数のスリーブの各々の前記内孔が前記第1の直径よりも小さい第2の直径を有し、前記複数のスリーブの各々が前記頭部上を第1の方向に摺動して受容されるような寸法に形成されており、前記複数のスリーブから選択された任意のスリーブを前記頭部上へそれぞれ受容すると、前記スリーブの前記両端部の一方が前記頭部の前記フランジに接触して前記スリーブの前記第1の方向へのさらなる摺動を防止すると共に、前記ステムが前記骨に移植されたときに前記スリーブの前記両端部の他方が前記骨に接触するようになる、請求項7に記載のモジュール式補綴コンポーネント。
- 前記ステムが頭部係合部分をさらに含み、前記頭部が前記頭部係合部分と雄雌式に係合するように構成されたステム係合部分をさらに含み、前記頭部係合部分と前記ステム係合部分の間の係合は前記ステムへの前記頭部の固定を容易にする、請求項1に記載のモジュール式補綴コンポーネント。
- 前記頭部係合部分は雄型テーパ部からなり、前記ステム係合部分は雌型テーパ部からなる、請求項9に記載のモジュール式補綴コンポーネント。
- 前記スリーブは、前記スリーブの前記両端部の少なくとも一方に非円筒断面を有する、請求項1に記載のモジュール式補綴コンポーネント。
- 骨内に移植されるように構成されたモジュール式補綴コンポーネントであって、
長手軸線を規定するシャフト部分を有したステムと、
前記ステムの少なくとも一部を内部に受容するような寸法に形成された貫通孔が内部に形成された頭部と、
異なる寸法を有した複数のスリーブと、
を備え、前記複数のスリーブの各々が、少なくとも部分的に高多孔性生体適合材料から形成されており、前記頭部上に交換可能に受容されるように構成されていることを特徴とするモジュール式補綴コンポーネント。 - 前記頭部は該頭部に形成されたスロットを含み、前記複数のスリーブの少なくとも一つが該スリーブから延びるタブを含み、該タブが前記スロット内に受容されるような寸法に形成されており、前記タブを前記スロット内に受容することにより、前記複数のスリーブの前記少なくとも一つの前記頭部周りの回転を制限する、請求項12に記載のモジュール式補綴コンポーネント。
- 前記頭部は、前記ステムの少なくとも一部の周りに半径方向に延びており、且つ、前記頭部上に形成され第1の直径を規定するフランジをさらに含んでおり、前記複数のスリーブの各々は、対向する両端部表面と、外側表面と、内孔を規定する内側表面とをさらに備え、前記複数のスリーブの各々の前記内孔が、前記第1の直径よりも小さい第2の直径を有すると共に、前記頭部上で前記複数のスリーブを第1の方向に摺動して受容することを可能にするような寸法に形成されており、前記複数のスリーブから選択された任意のスリーブを前記頭部上にそれぞれ受容することにより、前記スリーブの前記両端部表面の一方が前記頭部の前記フランジに接触して前記スリーブの第1の方向へのさらなる摺動を防止すると共に、前記ステムが前記骨に移植されたときに前記スリーブの前記両端部表面の他方が前記骨に接触するようになる、請求項12に記載のモジュール式補綴コンポーネント。
- 頭部とステムとを有したモジュール式補綴コンポーネントを移植する方法であって、
手術中に、少なくとも一部が高多孔性生体適合材料から形成されたスリーブを前記頭部上に配置するステップと、
骨の髄内管内に前記ステムの少なくとも一部を移植するステップと、
前記スリーブの端部と前記骨との間で直接的な接触がなされるように前記ステムを着座させるステップと、
を含むことを特徴とするモジュール式補綴コンポーネントを移植する方法。 - 前記配置するステップが、手術中に前記頭部上で前記スリーブを摺動させることをさらに含む、請求項15に記載のモジュール式補綴コンポーネントを移植する方法。
- 接着材によって前記スリーブを前記頭部に取り付けるステップをさらに含む、請求項15に記載のモジュール式補綴コンポーネントを移植する方法。
- 前記頭部を前記ステムに取り付けるステップをさらに含む、請求項15に記載のモジュール式補綴コンポーネントを移植する方法。
- 前記配置するステップの前に、異なる寸法を有した複数のスリーブの中から少なくとも部分的に高多孔性生体適合材料から形成されるスリーブを選択するステップをさらに含む、請求項15に記載のモジュール式補綴コンポーネントを移植する方法。
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WO2020011475A1 (en) * | 2018-07-10 | 2020-01-16 | Adler Ortho S.P.A. | Device for facilitating the formation of new bone tissue |
US11684398B2 (en) * | 2019-01-29 | 2023-06-27 | Howmedica Osteonics Corp. | Press fit stem |
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