JP2019500969A - ザラザラした多孔質面を有する整形外科インプラント - Google Patents
ザラザラした多孔質面を有する整形外科インプラント Download PDFInfo
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- JP2019500969A JP2019500969A JP2018535113A JP2018535113A JP2019500969A JP 2019500969 A JP2019500969 A JP 2019500969A JP 2018535113 A JP2018535113 A JP 2018535113A JP 2018535113 A JP2018535113 A JP 2018535113A JP 2019500969 A JP2019500969 A JP 2019500969A
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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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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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
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
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- 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
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
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- 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
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30594—Special structural features of bone or joint prostheses not otherwise provided for slotted, e.g. radial or meridian slot ending in a polar aperture, non-polar slots, horizontal or arcuate slots
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- 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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
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- A61F2002/30654—Details of the concave socket
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- 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
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- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
- A61F2002/3068—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body the pharmaceutical product being in a reservoir
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- 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
- A61F2002/30769—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth madreporic
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- 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
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- 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
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- 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
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- A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
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- 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
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- 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
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- 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
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- 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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Prostheses (AREA)
Abstract
Description
[0011] さらに別の利点は、自己免疫反応のリスクを最小限に抑えて、孔内への組織の内方成長速度を増加させるために、インプラント中に多孔質なザラザラした材料を自己細胞、組織、および/または物質で満たすことができることである。
Claims (20)
- 整形外科インプラントにおいて、
外面を有するインプラント本体と、
前記外面に取り付けられ、複数の孔と前記外面から離れるように延びる複数の島とを有し、前記複数の島は移植中に生体組織をせん断するように構成された、ザラザラした多孔質材料とを備えた、整形外科インプラント。 - 前記ザラザラした多孔質材料は、複数の支柱であって、それらの間に前記複数の孔を画定する、複数の支柱を備え、前記複数の島は前記複数の支柱に接続された、請求項1に記載の整形外科インプラント。
- 前記複数の島の少なくとも1つは、湾曲縁部を含む、請求項1に記載の整形外科インプラント。
- 前記湾曲縁部は面取りされている、請求項3に記載の整形外科インプラント。
- 前記ザラザラした多孔質材料は、外側多孔質層を画定する第1の多孔質材料層と、前記外側多孔質層と前記インプラント本体の前記外面との間にある第2の多孔質材料層とを含む、請求項1に記載の整形外科インプラント。
- 前記第1の多孔質材料層は第1の複数の孔を含み、前記第2の多孔質材料層は前記第1の複数の孔と完全に重ならない第2の複数の孔を含む、請求項5に記載の整形外科インプラント。
- 前記第1の多孔質材料層は第1の層厚さを画定し、前記複数の島の各々は前記第1の層厚さよりも大きな島厚さを画定する、請求項6に記載の整形外科インプラント。
- 前記複数の孔の少なくとも1つに配置された未培養生体物質をさらに備えた、請求項1に記載の整形外科インプラント。
- 前記未培養生体物質は、細胞、組織、および生体液の少なくとも1つを備えた、請求項8に記載の整形外科インプラント。
- 前記未培養生体物質は、最近せん断された生体物質である、請求項8に記載の整形外科インプラント。
- 前記ザラザラした多孔質材料は、複数の孔をそれぞれ有する複数の多孔質材料層を備え、前記未培養生体物質は、前記複数の多孔質材料層の少なくとも2つの孔に詰められた、請求項10に記載の整形外科インプラント。
- 前記複数の島は、第1の島と、前記第1の島とは異なる形状を有する第2の島とを備えた、請求項1に記載の整形外科インプラント。
- 前記複数の島の各々は、600ミクロン以下の最大寸法を有する、請求項1に記載の整形外科インプラント。
- 前記島は、皮質骨よりも硬度の高いせん断材料を備えた、請求項1に記載の整形外科インプラント。
- 前記インプラント本体は、半球形状を画定する、請求項1に記載の整形外科インプラント。
- 外面と、前記外面に取り付けられたザラザラした多孔質材料とを有し、複数の孔と、移植中に生体組織をせん断するように構成された複数の島とを有するインプラント本体を含む、整形外科インプラントを移植する方法において、
前記整形外科インプラントを受け入れるために解剖学的部位を準備するステップと、
前記複数の孔の少なくとも1つを未培養生体物質で満たすステップと、
前記整形外科インプラントを前記準備した解剖学的部位内に押し付けるステップと、
を含む方法。 - 前記満たすステップは、前記整形外科インプラントが前記準備された解剖学的部位に押し付けられて行われる、請求項16に記載の方法。
- 前記未培養生体物質が最近せん断された生体物質である、請求項16に記載の方法。
- 前記最近せん断された生体物質を生成するために、前記複数の島で周囲の組織をせん断するステップをさらに含む、請求項18に記載の方法。
- 前記ザラザラした多孔質材料は、外側多孔層を画定する第1の多孔質材料層と、前記外側多孔層と前記インプラント本体の前記外面との間にある第2の多孔材料層とを含み、前記第1の多孔材料層は第1の複数の孔を含むとともに前記第2の多孔質層は第2の複数の孔を含み、前記周囲の組織をせん断するステップは前記第1の複数の孔の少なくとも1つと前記第2の複数の孔の少なくとも1つとも前記最近せん断された生体物質で満たす、請求項19に記載の方法。
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US201662277755P | 2016-01-12 | 2016-01-12 | |
US62/277,755 | 2016-01-12 | ||
PCT/US2017/013147 WO2017123724A1 (en) | 2016-01-12 | 2017-01-12 | Orthopaedic implants with textured porous surfaces |
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WO2011156512A2 (en) * | 2010-06-08 | 2011-12-15 | Smith & Nephew, Inc. | Implant components and methods |
WO2016176496A1 (en) | 2015-04-29 | 2016-11-03 | Institute for Musculoskeletal Science and Education, Ltd. | Coiled implants and systems and methods of use thereof |
US10492921B2 (en) | 2015-04-29 | 2019-12-03 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with arched bone contacting elements |
US10449051B2 (en) | 2015-04-29 | 2019-10-22 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with curved bone contacting elements |
US11033394B2 (en) | 2016-10-25 | 2021-06-15 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with multi-layer bone interfacing lattice |
US10478312B2 (en) | 2016-10-25 | 2019-11-19 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with protected fusion zones |
US10512549B2 (en) | 2017-03-13 | 2019-12-24 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with structural members arranged around a ring |
US10744001B2 (en) | 2017-11-21 | 2020-08-18 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with improved bone contact |
US10940015B2 (en) | 2017-11-21 | 2021-03-09 | Institute for Musculoskeletal Science and Education, Ltd. | Implant with improved flow characteristics |
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