JP2019166371A - 多孔質部位を有する外科用インプラント - Google Patents
多孔質部位を有する外科用インプラント 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
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- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
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- A—HUMAN NECESSITIES
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- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
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- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8095—Wedge osteotomy devices
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- A—HUMAN NECESSITIES
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
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- 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
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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- 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
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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
- 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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- A61F2/0811—Fixation devices for tendons or ligaments
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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
- 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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- A—HUMAN NECESSITIES
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/044—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors with a threaded shaft, e.g. screws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0445—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors cannulated, e.g. with a longitudinal through-hole for passage of an instrument
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- A—HUMAN NECESSITIES
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
-
- 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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0817—Structure of the anchor
- A61F2002/0841—Longitudinal channel for insertion tool running through the whole tendon anchor, e.g. for accommodating bone drill, guidewire
-
- 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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0847—Mode of fixation of anchor to tendon or ligament
- A61F2002/0858—Fixation of tendon or ligament between anchor and bone, e.g. interference screws, wedges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
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- A61F2002/0888—Anchor in or on a blind hole or on the bone surface without formation of a tunnel
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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
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- A61F2250/0023—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 porosity
- A61F2250/0024—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 porosity made from both porous and non-porous parts, e.g. adjacent parts
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Abstract
Description
この出願は、2014年12月16日に出願された米国特許出願第14/571,677号の優先権を主張する。
外科用インプラントは、インプラントを通じた組織内殖を促進する少なくとも1つの多孔質部位を含む。
でもよい。また、外科用インプラントは、挿管を囲む本体の内壁を貫通して形成される1つ以上の通気孔を含んでもよい。
17に形成されるチップ16との間で長手方向の軸Aに沿って延びる本体12を含む。駆動ヘッド14及びチップ16はいずれも、外科用インプラント10の固形部(すなわち、実質的に非多孔質)である。本体12は、駆動ヘッド14とチップ16との間で先細っていてもよく又は先細っていなくてもよい。本体12のサイズ及び形状は、この開示を限定しようとするものではない。
と二相性リン酸カルシウムとを伴うPLDLAが挙げられる。他の典型的な材料としては、熱硬化性物質、熱可塑性物質、単一のポリマー、複数の材料から形成される混合物又は複合体、複数のポリマー、ポリマーを有する繊維、或いは、ポリマーを有する顆粒/粉末から構成される生体吸収性材料を挙げることができる。この開示の範囲内で他の材料も考えられる。他の実施形態では、外科用インプラントの本体12及び多孔質部位24が同じ材料から形成される。
成要素又は特徴の一部を他の非限定的な実施形態のいずれかからの特徴又は構成要素と組み合わせて使用することができる。
Claims (29)
- 駆動ヘッドとチップとの間で長手方向の軸に沿って延びる本体であって、前記本体が、前記長手方向の軸の周りに配置されて前記チップから前記駆動ヘッドまで延びる挿管を含む、本体と、
前記本体を巻回する固形のネジ山と、
前記固形のネジ山の隣り合う旋回部間で前記本体の周りを周方向に延びる多孔質部位と、
を備える外科用インプラント。 - 前記外科用インプラントが縫合糸アンカー又は干渉ネジである請求項1に記載の外科用インプラント。
- 前記多孔質部位が複数の相互接続孔を含む請求項1に記載の外科用インプラント。
- 前記チップ及び前記駆動ヘッドが固形である請求項1に記載の外科用インプラント。
- 前記多孔質部位から前記挿管まで延びる多孔質延在部を備える請求項1に記載の外科用インプラント。
- 前記挿管と前記多孔質部位との間を接続する通気孔を備える請求項1に記載の外科用インプラント。
- 前記本体が前記挿管を囲む内壁を含み、前記内壁が固形である請求項1に記載の外科用インプラント。
- 前記固形のネジ山と前記挿管との間を接続する固形の支柱を備える請求項1に記載の外科用インプラント。
- 前記固形のネジ山が小径及び大径を含み、前記固形のネジ山が前記小径と前記大径との間で完全に固形である請求項1に記載の外科用インプラント。
- 前記本体及び前記多孔質部位が同じ材料から形成される請求項1に記載の外科用インプラント。
- 前記多孔質部位は、前記挿管と前記固形のネジ山との間で延びる前記本体の部分に配置される請求項1に記載の外科用インプラント。
- 前記挿管が内壁によって囲まれ、
前記固形のネジ山が前記駆動ヘッドと前記チップとの間において前記本体の周りで螺旋形を成し、前記固形のネジ山が小径と大径との間で完全に固形であり、
前記多孔質部位は、前記固形のネジ山の前記隣り合う旋回部間に形成される複数の相互接続孔を含み、
固形の支柱が前記固形のネジ山と前記内壁との間を接続する、
請求項1に記載の外科用インプラント。 - 前記内壁を貫通して形成される通気孔を備え、前記多孔質部位が前記内壁まで延びる多孔質延在部を含む請求項12に記載の外科用インプラント。
- 前記多孔質部位は、前記固形のネジ山の前記旋回部のうちの少なくとも2つを横切って延びる高さを含む請求項12に記載の外科用インプラント。
- 内壁と外壁との間で延びるウェッジ形状の本体と、
前記内壁と前記外壁との間で前記本体の周りを連続的に延びる少なくとも1つの多孔質部位と、
を備える外科用インプラント。 - 前記外科用インプラントが前記本体内に配置される複数の多孔質部位を含み、前記複数の多孔質部位のそれぞれの多孔質部位は、前記複数の多孔質部位の隣り合う多孔質部位に接続する請求項15に記載の外科用インプラント。
- 前記複数の多孔質部位は、前記本体を通じて連続的に延びて、途切れない相互接続孔網を前記本体の内側に形成する請求項16に記載の外科用インプラント。
- 前記複数の多孔質部位は、前記内壁、前記外壁、及び、前記本体の固形の支柱に形成される通気孔を通じて互いに接続する請求項16に記載の外科用インプラント。
- 前記内壁の固形部と前記外壁の固形部との間及び前記本体の上端面の固形部と前記本体の下端面の固形部との間で延びる固形の支柱を備える請求項15に記載の外科用インプラント。
- 前記外科用インプラントが骨切りウェッジである請求項15に記載の外科用インプラント。
- 前記外壁が前記内壁を囲む請求項15に記載の外科用インプラント。
- 前記本体を貫通して延びる中央穴を備える請求項15に記載の外科用インプラント。
- 前記内壁と前記外壁との間で延びる上端面及び下端面を備える請求項15に記載の外科
用インプラント。 - 前記少なくとも1つの多孔質部位が前記上端面及び前記下端面のうちの少なくとも一方を貫通して延びる請求項23に記載の外科用インプラント。
- 前記少なくとも1つの多孔質部位が前記内壁及び前記外壁のうちの少なくとも一方を貫通して延びる請求項15に記載の外科用インプラント。
- 前記内壁の固形部と前記外壁の固形部との間で延びる固形の支柱を備える請求項15に記載の外科用インプラント。
- 前記少なくとも1つの多孔質部位は、前記固形の支柱によって第2の多孔質部位から少なくとも部分的に分離される請求項26に記載の外科用インプラント。
- 前記内壁及び前記外壁の両方に形成される複数の通気孔を備える請求項15に記載の外科用インプラント。
- 前記複数の通気孔のうちの1つは、前記内壁と前記外壁との間を接続する固形の支柱を貫通して延びる請求項28に記載の外科用インプラント。
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WO2016099620A1 (en) | 2016-06-23 |
US10420597B2 (en) | 2019-09-24 |
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CA2968833C (en) | 2021-01-05 |
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AU2015363691A1 (en) | 2017-07-13 |
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EP3232942B1 (en) | 2023-02-22 |
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