JP6710813B2 - 整形外科用固定ねじ - Google Patents
整形外科用固定ねじ Download PDFInfo
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- JP6710813B2 JP6710813B2 JP2019544009A JP2019544009A JP6710813B2 JP 6710813 B2 JP6710813 B2 JP 6710813B2 JP 2019544009 A JP2019544009 A JP 2019544009A JP 2019544009 A JP2019544009 A JP 2019544009A JP 6710813 B2 JP6710813 B2 JP 6710813B2
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- thread
- screw
- orthopedic
- orthopedic fixation
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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
- A61B17/72—Intramedullary pins, nails or other devices
-
- 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
- A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
-
- 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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
-
- 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
- A61B17/8635—Tips of screws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
Description
本発明の他の態様によれば、整形外科用固定ねじの製造方法が提示される。この製造方法は、長手方向に延在するシャフト上に、ねじ山パターン部の第1のねじ山を、第1の方向で付け、第1のねじ山を、整形外科用インプラントのねじ山と協働するよう構成された機能的ねじ山にする工程と、長手方向に延在するシャフト上にねじ山パターン部の第2のねじ山を、第1のねじ山の第1の方向とは反対の第2の方向で付ける工程とを備える。第2のねじ山は、第1のねじ山に重ねられ、少なくとも部分的に第1のねじ山と交差する。
Claims (15)
- 整形外科用インプラント(200)のインプラントねじ山(220)と協働するよう構成された整形外科用固定ねじ(100)であって、
前記整形外科用固定ねじ(100)は、
長手方向に延在し、その少なくとも一部分に沿って延在するねじ山パターン部(150)を含むシャフト(110)と、
第1の方向を有する第1のねじ山(151)と、前記第1のねじ山(151)の前記第1の方向とは反対の第2の方向を有する第2のねじ山(152)とを含む前記ねじ山パターン部(150)と、を備え、
前記第1のねじ山が、前記整形外科用インプラント(200)の前記インプラントねじ山(220)と協働するよう構成され、
前記第2のねじ山(152)が、前記第1のねじ山(151)に重ねられて、前記第1のねじ山(151)と交差し、
前記ねじ山パターン部(150)は、
略ひし形の突起部(154)と、前記略ひし形の突起部(154)間のねじ溝(153)とを備える、
整形外科用固定ねじ(100)。 - 前記ねじ山パターン部(150)の前記第1のねじ山(151)と前記第2のねじ山(152)とは、同じピッチを有する、
請求項1に記載の整形外科用固定ねじ(100)。 - 前記第1のねじ山(151)が右ねじのねじ山であり、
前記第2のねじ山(152)が左ねじのねじ山である、
請求項1又は2に記載の整形外科用固定ねじ(100)。 - ねじ頭部(120)と、前記ねじ山パターン部(150)と前記ねじ頭部(120)との間に配置されたねじ首のねじ山(160)と、をさらに備える、
請求項1〜3のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記ねじ首のねじ山(160)は、
前記第1のねじ山(151)と同一のピッチ及び同一の方向を有する、
請求項4に記載の整形外科用固定ねじ(100)。 - 断面において、前記ねじ山パターン部(150)は初期外径を有し、
前記ねじ(100)のねじ頭部(120)と前記ねじ山パターン部(150)との間のねじ首領域は首径を有し、
前記初期外径は前記首径よりも小さい、
請求項1〜5のいずれか一項に記載の整形外科用固定ねじ(100)。 - ねじ先端部(130)と、前記ねじ山パターン部(150)と前記ねじ先端部(130)との間に配置された先端ねじ山(170)と、をさらに備える、
請求項1〜6のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記先端ねじ山(170)は、
前記第1のねじ山(151)と同一のピッチ及び同一の方向を有する、
請求項7に記載の整形外科用固定ねじ(100)。 - 断面において、前記ねじ山パターン部(150)は初期外径を有し、
前記ねじ(100)のねじ先端部(130)と前記ねじ山パターン部(150)との間のねじ先端領域は先端外径を有し、
前記初期外径は前記先端外径よりも大きい、
請求項1〜8のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記第1のねじ山(151)とは反対方向の逆ねじのねじ山(122)を有するねじ頭部(120)をさらに備える、
請求項1〜9のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記第1のねじ山(151)とは反対の前記第2のねじ山(152)は、
前記ねじ(100)を前記インプラント(200)から強制的に取り除く際に、前記第1のねじ山(151)のねじ山ターンを無効にするために形成されている、
請求項1〜10のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記第2のねじ山(152)は、
前記整形外科用固定ねじ(100)が破損した場合に前記整形外科用固定ねじ(100)を強制的に取り除く際、意図したせん断を行うための前記第1のねじ山(151)のねじ山ターンのせん断領域を構成する、
請求項1〜11のいずれか一項に記載の整形外科用固定ねじ(100)。 - 前記整形外科用インプラント(200)が髄内釘であり、
前記整形外科用固定ねじ(100)の前記ねじ山パターン部(150)の前記第1のねじ山(151)が、前記髄内釘の孔(210)の内側のねじ山(220)と協働するよう構成されている、
請求項1〜12のいずれか一項に記載の整形外科用固定ねじ(100)。 - 請求項1〜13のいずれか一項に記載の前記整形外科用固定ねじ(100)と、
整形外科用インプラント(200)と、を備え、
前記整形外科用固定ねじ(100)が、前記整形外科用インプラント(200)内のねじ山(220)と協働するよう構成されている、
整形外科用固定システム。 - 整形外科用インプラント(200)のねじ山(220)と協働するための整形外科用固定ねじ(100)を製造する方法であって、
長手方向に延在するシャフト(110)上に、ねじ山パターン部(150)の第1のねじ山(151)を、第1方向で付け、前記第1のねじ山(151)を、前記整形外科用インプラント(200)の前記ねじ山(220)と協働するよう構成された機能的ねじ山にする工程、と、
第2のねじ山(152)が前記第1のねじ山(151)に重ねられて、前記第1のねじ山(151)と少なくとも部分的に交差するよう、且つ、前記ねじ山パターン部(150)が略ひし形の突起部(154)と前記略ひし形の突起部(154)間のねじ溝(153)とを備えるよう、前記長手方向に延在するシャフト(110)上に前記ねじ山パターン部(150)の前記第2のねじ山(152)を、前記第1のねじ山(151)の前記第1の方向と反対の第2の方向で付ける工程と、
を備える方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2017/057688 WO2019111041A1 (en) | 2017-12-06 | 2017-12-06 | Orthopedic locking screw |
Publications (2)
Publication Number | Publication Date |
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JP2020506019A JP2020506019A (ja) | 2020-02-27 |
JP6710813B2 true JP6710813B2 (ja) | 2020-06-17 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019544009A Active JP6710813B2 (ja) | 2017-12-06 | 2017-12-06 | 整形外科用固定ねじ |
Country Status (7)
Country | Link |
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US (2) | US11116557B2 (ja) |
EP (2) | EP3701893B1 (ja) |
JP (1) | JP6710813B2 (ja) |
CN (1) | CN110234286B (ja) |
AU (1) | AU2017440984B2 (ja) |
ES (2) | ES2810423T3 (ja) |
WO (1) | WO2019111041A1 (ja) |
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-
2017
- 2017-12-06 CN CN201780081300.9A patent/CN110234286B/zh active Active
- 2017-12-06 WO PCT/IB2017/057688 patent/WO2019111041A1/en unknown
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EP3701893B1 (en) | 2022-12-21 |
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AU2017440984A1 (en) | 2019-06-27 |
EP3701893A1 (en) | 2020-09-02 |
WO2019111041A1 (en) | 2019-06-13 |
AU2017440984B2 (en) | 2020-02-27 |
CN110234286A (zh) | 2019-09-13 |
JP2020506019A (ja) | 2020-02-27 |
ES2810423T3 (es) | 2021-03-08 |
CN110234286B (zh) | 2022-07-01 |
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