JP7116579B2 - 多孔性材料が接着された整形外科インプラント - Google Patents
多孔性材料が接着された整形外科インプラント Download PDFInfo
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
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- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
- B29C65/542—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by injection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
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- 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
- A61F2/3094—Designing or manufacturing 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
-
- 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
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/3082—Grooves
- A61F2002/30827—Plurality of grooves
-
- 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
- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
-
- 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
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
- A61F2002/3863—Condyles fitted on an anchored base
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Description
[0001] これは、多孔性材料が接着された整形外科インプラントと題する2017年4月14日に出願された米国仮特許出願第62/485,610号に基づく優先権を主張する非仮出願であり、その全内容はその全体が本明細書に組み込まれる。
(項目1)
整形外科インプラントにおいて、
少なくとも1つの結合構造が設けられた面を有する本体と、
複数の孔を有する少なくとも1つの多孔性材料と、
前記少なくとも1つの多孔性材料及び前記本体間に結合を形成するために、前記少なくとも1つの多孔性材料の前記複数の孔及び前記少なくとも1つの結合構造内に配置された結合材料とを備えた、整形外科インプラント。
(項目2)
項目1に記載の整形外科インプラントにおいて、前記少なくとも1つの結合構造は、前記結合材料を受けるように構成された、溝、スロット、及びボアの少なくとも1つを複数含む、整形外科インプラント。
(項目3)
項目2に記載の整形外科インプラントにおいて、前記少なくとも1つの結合構造は、前記面に深さDで形成され、前記面により近い前記結合構造の幅Wは、前記面からより遠い前記結合構造の幅より小さい、整形外科インプラント。
(項目4)
項目1に記載の整形外科インプランにおいて、前記少なくとも1つの結合構造は複数の溝を含み、前記複数の溝は第1のパターンの溝及び第2のパターンの溝を含む、整形外科インプラント。
(項目5)
項目4に記載の整形外科インプラントにおいて、前記第1のパターンの溝及び前記第2のパターンの溝は、正弦波パターンを形成する、整形外科インプラント。
(項目6)
項目1に記載の整形外科インプラントにおいて、前記少なくとも1つの多孔性材料は、前記少なくとも1つの多孔性材料の外面を画定する1つまたは複数の第1の多孔性層、前記複数の孔を有する1つまたは複数の第2の多孔性層、及び前記1つまたは複数の第1の多孔性層及び前記1つまたは複数の第2の多孔性層の間に配置された非多孔性層を含む、整形外科インプラント。
(項目7)
項目6に記載の整形外科インプラントにおいて、前記1つまたは複数の第1の多孔性層は、多孔性内部成長材料で形成され、前記多孔性内部成長材料は、骨材料と結合するように構成された第2の複数の孔を有する、整形外科インプラント。
(項目8)
項目7に記載の整形外科インプラントにおいて、前記第2の複数の孔は、1つまたは複数の生物活性物質を含む、整形外科インプラント。
(項目9)
項目6に記載の整形外科インプラントにおいて、前記1つまたは複数の第1の多孔性層は、互いに結合された2つ以上の第1の多孔性層を含み、前記2つ以上の第1の多孔性層の各第1の多孔性層は孔パターンを有する、整形外科インプラント。
(項目10)
項目1に記載の整形外科インプラントにおいて、前記本体の前記面は、切除された大腿骨と係合されるように構成された、整形外科インプラント。
(項目11)
項目10に記載の整形外科インプラントにおいて、前記本体は、前記面の反対側の関節接合面を有し、前記関節接合面は、脛骨の頭部に対して関節接合するように構成された、整形外科インプラント。
(項目12)
項目11に記載の整形外科インプラントにおいて、前記本体は、大腿骨の膝関節インプラントのための形状を有する、整形外科インプラント。
(項目13)
整形外科インプラントを形成するための方法において、
少なくとも1つの結合構造が設けられた面を有するインプラントを設けるステップと、
前記面に多孔性材料を配置するステップであって、前記多孔性材料は複数の孔を有する、ステップと、
前記多孔性材料を前記インプラントに結合するために、前記1つの結合構造及び前記複数の孔に結合材料を流すステップとを含む、方法。
(項目14)
項目13に記載の方法において、前記流すステップは、前記結合材料を溶かし、溶けた前記結合材料を前記複数の孔及び前記少なくとも1つの結合構造の少なくとも1つの中に押し込むために、前記多孔性材料を前記面に対して押し付けることを含む、方法。
(項目15)
項目13に記載の方法において、前記少なくとも1つの結合構造及び前記複数の孔の中で、前記結合材料を硬化させることをさらに含む、方法。
(項目16)
項目13に記載の方法において、前記結合材料は、互いに混ぜ合わされて固い結合を形成する2つの流動可能な構成要素を備え、前記結合材料を流すステップは、前記多孔性材料を前記インプラント結合させるために、前記結合材料の第1の構成要素を前記少なくとも1つの結合構造内に流すこと、及び、前記結合材料の第2の構成要素を前記複数の孔内に流すことをさらに含む、方法。
(項目17)
項目13に記載の方法において、前記少なくとも1つの結合構造は複数の溝を含み、前記結合材料を流すステップは、前記複数の溝を最初に充填した後に前記複数の孔を充填するために、前記結合材料を前記複数の溝の中に注入することをさらに含む、方法。
(項目18)
項目13に記載の方法において、前記少なくとも1つ結合構造は、前記面に深さDになるように形成されており、前記少なくとも1つの結合構造の前記面により近い幅Wは、前記少なくとも1つの結合構造の前記面より遠い幅よりも小さく形成された、方法。
(項目19)
項目13に記載の方法において、前記多孔性材料は、前記多孔性材料の外面を画定する1つまたは複数の第1の多孔性層、前記複数の孔を有する1つまたは複数の第2の多孔性層、及び前記1つまたは複数の第1の多孔性層と前記1つまたは複数の第2の多孔性層との間に配置された非多孔性層を含む、方法。
(項目20)
項目19に記載の方法において、前記1つまたは複数の第1の多孔性層は、多孔性内部成長材料で形成され、前記多孔性内部成長材料は、骨材料と連結されるように構成された第2の複数の孔を有する、方法。
Claims (11)
- 整形外科インプラントにおいて、
少なくとも1つの結合構造が設けられた面を有する本体と、
複数の孔を有する少なくとも1つの多孔性材料と、
前記少なくとも1つの多孔性材料及び前記本体間に結合を形成するために、前記少なくとも1つの多孔性材料の前記複数の孔及び前記少なくとも1つの結合構造内に配置された結合材料とを備え、
前記少なくとも1つの結合構造は、前記面に深さDで形成され、前記面により近い前記結合構造の幅Wは、前記面からより遠い前記結合構造の幅より小さい、整形外科インプラント。 - 請求項1に記載の整形外科インプラントにおいて、前記少なくとも1つの結合構造は、前記結合材料を受けるように構成された、溝、スロット、及びボアの少なくとも1つを複数含む、整形外科インプラント。
- 請求項1に記載の整形外科インプランにおいて、前記少なくとも1つの結合構造は複数の溝を含み、前記複数の溝は第1のパターンの溝及び第2のパターンの溝を含む、整形外科インプラント。
- 請求項3に記載の整形外科インプラントにおいて、前記第1のパターンの溝及び前記第2のパターンの溝は、正弦波パターンを形成する、整形外科インプラント。
- 請求項1に記載の整形外科インプラントにおいて、前記少なくとも1つの多孔性材料は、前記少なくとも1つの多孔性材料の外面を画定する1つまたは複数の第1の多孔性層、前記複数の孔を有する1つまたは複数の第2の多孔性層、及び前記1つまたは複数の第1の多孔性層及び前記1つまたは複数の第2の多孔性層の間に配置された非多孔性層を含む、整形外科インプラント。
- 請求項5に記載の整形外科インプラントにおいて、前記1つまたは複数の第1の多孔性層は、多孔性内部成長材料で形成され、前記多孔性内部成長材料は、骨材料と結合するように構成された第2の複数の孔を有する、整形外科インプラント。
- 請求項6に記載の整形外科インプラントにおいて、前記第2の複数の孔は、1つまたは複数の生物活性物質を含む、整形外科インプラント。
- 請求項5に記載の整形外科インプラントにおいて、前記1つまたは複数の第1の多孔性層は、互いに結合された2つ以上の第1の多孔性層を含み、前記2つ以上の第1の多孔性層の各第1の多孔性層は孔パターンを有する、整形外科インプラント。
- 請求項1に記載の整形外科インプラントにおいて、前記本体の前記面は、切除された大腿骨と係合されるように構成された、整形外科インプラント。
- 請求項9に記載の整形外科インプラントにおいて、前記本体は、前記面の反対側の関節接合面を有し、前記関節接合面は、脛骨の頭部に対して関節接合するように構成された、整形外科インプラント。
- 請求項10に記載の整形外科インプラントにおいて、前記本体は、大腿骨の膝関節インプラントのための形状を有する、整形外科インプラント。
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WO2016071938A1 (en) | 2014-11-06 | 2016-05-12 | Cappelletti Ava | Improved adjustable modular spacer device for the articulation of the knee |
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