JP2007537768A - 椎間関節用プロテーゼ - Google Patents
椎間関節用プロテーゼ Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
-
- 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
- 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
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4405—Joints for the spine, e.g. vertebrae, spinal discs for apophyseal or facet joints, i.e. between adjacent spinous or transverse processes
-
- 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
- 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
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- 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
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
- A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
-
- 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
- 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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. fixation devices
-
- 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
- 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
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/30925—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth etched
-
- 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
- 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
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
-
- 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
- A61F2310/00011—Metals or alloys
- A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
-
- 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
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni 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
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
-
- 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
- A61F2310/00179—Ceramics or ceramic-like structures
Abstract
Description
本出願は、2003年7月17日出願の米国仮特許出願第60/487,604号に基づく優先権を主張するものであり、そのすべての開示内容をここに援用する。
−椎間関節の解剖学的構造とバイオメカニクス−
脊椎運動分節の頭側脊椎の下脊椎関節突起上に外科的に準備処置されたサイトにインプラントするように構成された上位要素であって、概ね円錐形の滑らかな外表面と頭側脊椎の下脊椎関節突起上のテーパを付けた切除部分にインプラントするように構成されたテーパを付けた内部キャビティとを有する概ね円錐形の部品からなる上位要素と、
脊椎運動分節の尾側脊椎の上脊椎関節突起上に外科的に準備処置されたサイトにインプラントするように構成された下位要素であって、上位要素の円錐形外表面を受容するように構成されたカップと、上脊椎関節突起上の外科的に準備処置されたサイトにインプラントするように構成された基部とからなる下位要素と、を備える。
a) 頭側脊椎の下脊椎関節突起用の概ね円錐形のプロテーゼと、
b) 尾側脊椎の上脊椎関節突起用であって、頭側脊椎の円錐形プロテーゼを受容する概ねカップ状のプロテーゼ。
・円錐体の外表面とカップの内表面の滑動的接触により、脊椎運動分節の屈曲および伸展範囲の全域において剪断安定性を提供する。
・脊椎運動分節が完全に伸展しているときに、本プロテーゼは重量支持と安定性の積極的な制限を与える。
・本プロテーゼは屈曲および伸展において広い運動範囲を許容し、従来技術の装置よりもこの点において優っている。
・回転における運動範囲を円錐体とカップの径の「不整合」によって許容しかつ制御するが、この「不整合」の大きさによりこの運動範囲を制限し安定性を与える。
・円錐体とカップの組み合わせは屈曲時の回転において、自由でありながら制御された運動を提供し、かつ公知の椎間関節プロテーゼの回転運動範囲よりも広くなるように設計されている。
・円錐体とカップの径の「不整合」により横曲げの運動範囲を提供しかつ制御する。
・上脊椎関節突起の関節面をトリミングし、対応するカップ要素基部の概ね円錐形のくぼみを受け入れる概ね円錐形の骨突起を残すようにしてもよい。
・上脊椎関節突起の上3分の1乃至2分の1を切除し、対応するカップ要素基部の浅いくぼみを受け入れる浅いドーム部を残してもよい。
・上脊椎関節突起の全体を切除し、カップ要素基部を固定する露出した椎弓根を残してもよい。
Claims (18)
- 人体脊柱の脊椎運動分節内の椎間関節を置換するための人工器官インプラントであって、
脊椎運動分節の頭側脊椎の下脊椎関節突起上に外科的に準備処置されたサイトにインプラントするように構成された上位要素であって、概ね円錐形の滑らかな外表面と前記頭側脊椎の下脊椎関節突起上のテーパを付けた切除部分にインプラントするように構成されたテーパを付けた内部キャビティとを有する概ね円錐形のプロテーゼからなる上位要素と、
脊椎運動分節の尾側脊椎の上脊椎関節突起上に外科的に準備処置されたサイトにインプラントするように構成された下位要素であって、側壁を有し前記上位要素の円錐形外表面を受容するように構成されたカップと、前記上脊椎関節突起上の前記外科的に準備処置されたサイトにインプラントするように構成された基部とからなる下位要素と、
を備える人工器官インプラント。 - 前記概ね円錐形のプロテーゼの前記テーパを付けたキャビティは概ね三角形の断面を有することを特徴とする請求項1記載の人工器官インプラント。
- 前記概ね円錐形のプロテーゼの前記テーパを付けたキャビティは多孔質表面を備えることを特徴とする請求項1記載の人工器官インプラント。
- 前記上位要素の前記概ね円錐形のプロテーゼは丸みを付けた先端を有することを特徴とする請求項1記載の人工器官インプラント。
- 前記概ね円錐形のプロテーゼは前記概ね円錐形のプロテーゼを前記下脊椎関節突起に取り付けるための少なくとも1つの延長部を備えることを特徴とする請求項1記載の人工器官インプラント。
- 前記延長部は、骨ネジのための孔を有することを特徴とする請求項6記載の人工器官インプラント。
- 前記延長部は、前記下脊椎関節突起の少なくとも一部のまわりに折り曲げるための、少なくとも1つのタブを備えることを特徴とする請求項6記載の人工器官インプラント。
- 前記下位要素の前記カップは滑らかな内表面を有することを特徴とする請求項1記載の人工器官インプラント。
- 前記下位要素の前記カップの前記側壁はその内方―前側部において取り去られていることを特徴とする請求項1記載の人工器官インプラント。
- 前記カップの前記側壁はその前側部において上方かつ外方に延在することを特徴とする請求項1記載の人工器官インプラント。
- 前記カップ要素の前記基部は椎弓根ネジ用の孔を備えることを特徴とする請求項1記載の人工器官インプラント。
- 前記カップ要素の前記基部は、隣接する解剖学的構造の周りに折り曲げるように構成されたタブを備えることを特徴とする請求項1記載の人工器官インプラント。
- 前記タブは前記尾側脊椎の横突起の一部の周りに折り曲げるように構成されていることを特徴とする請求項9記載の人工器官インプラント。
- 前記下位要素の前記基部は、概ね円錐形のサイトを提供するように切除された前記上脊椎関節突起上のサイトにインプラントするよう構成されていることを特徴とする請求項1記載の人工器官インプラント。
- 前記下位要素の前記基部は、概ね平坦なサイトを提供するように切除された前記上脊椎関節突起上のサイトにインプラントするよう構成されていることを特徴とする請求項1記載の人工器官インプラント。
- 前記下位要素の前記基部は、概ねドーム形のサイトを提供するように切除された前記上脊椎関節突起上のサイトにインプラントするよう構成されていることを特徴とする請求項1記載の人工器官インプラント。
- 椎弓根ネジのための拡張可能なスリーブであって、第1端と第2端とを有し、前記第1端側の楕円円柱形部分と、前記楕円円柱部分から前記第2の端に向かって軸方向に延在する径方向外側に折り曲げ可能な複数のフィンガーと、前記第1端から前記第2端に延在し前記第1端から前記第2端に向かってテーパのついたテーパ軸方向ボアとを有するスリーブ。
- 人体脊椎の脊椎運動分節の変性した椎間関節を置換する方法であって、変性した椎間関節の少なくとも一部を除去することと、除去された部分を請求項1記載の人工器官インプラントで置換することからなる方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48760403P | 2003-07-17 | 2003-07-17 | |
PCT/US2004/023074 WO2005009302A2 (en) | 2003-07-17 | 2004-07-19 | Facet joint prosthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007537768A true JP2007537768A (ja) | 2007-12-27 |
Family
ID=34102702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006520393A Pending JP2007537768A (ja) | 2003-07-17 | 2004-07-19 | 椎間関節用プロテーゼ |
Country Status (6)
Country | Link |
---|---|
US (2) | US7537611B2 (ja) |
EP (1) | EP1646340A4 (ja) |
JP (1) | JP2007537768A (ja) |
AU (1) | AU2004258925A1 (ja) |
CA (1) | CA2531677C (ja) |
WO (1) | WO2005009302A2 (ja) |
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JP2007503884A (ja) * | 2003-08-29 | 2007-03-01 | ゲラスパイン アー.ゲー. | 小関節面インプラント |
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JP2007503884A (ja) * | 2003-08-29 | 2007-03-01 | ゲラスパイン アー.ゲー. | 小関節面インプラント |
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CA2531677C (en) | 2009-10-27 |
WO2005009302A3 (en) | 2005-03-03 |
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