JP2018202080A5 - - Google Patents

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JP2018202080A5
JP2018202080A5 JP2017114294A JP2017114294A JP2018202080A5 JP 2018202080 A5 JP2018202080 A5 JP 2018202080A5 JP 2017114294 A JP2017114294 A JP 2017114294A JP 2017114294 A JP2017114294 A JP 2017114294A JP 2018202080 A5 JP2018202080 A5 JP 2018202080A5
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Prior art keywords
screw
head
peripheral surface
inner peripheral
screw shaft
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JP2017114294A
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JP2018202080A (en
JP6973777B2 (en
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Priority claimed from JP2017114294A external-priority patent/JP6973777B2/en
Publication of JP2018202080A publication Critical patent/JP2018202080A/en
Publication of JP2018202080A5 publication Critical patent/JP2018202080A5/ja
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Claims (10)

人体の骨組織にねじ込まれるタッピングネジと、該ネジによって前記骨組織に対して取付固定される被取付部材とを備え、前記ネジは、外周面にネジ山を有するネジ軸部と、該ネジ軸部の上端に設けられた頭部とを備え、前記被取付部材は、前記ネジの頭部が嵌合するよう前記被取付部材の上面側に設けられた収容凹部と、該収容凹部の底部から前記被取付部材の下面側に貫通状に設けられて前記ネジ軸部が嵌挿される取付孔とを有する、インプラント器具において、
前記ネジ軸部の軸心に対して前記頭部の軸心が僅かに偏心されているか、或いは、前記取付孔の軸心に対して前記収容凹部が僅かに偏心され、これにより前記ネジの頭部が前記収容凹部内に嵌合した状態で、周方向一部において前記頭部が前記収容凹部の内周面に圧接されるとともに、該圧接部分に対して直径方向反対側において前記ネジ軸部の基部が前記取付孔の内周面に圧接されるよう構成されている、インプラント器具。 A tapping screw that is screwed into bone tissue of a human body, and an attached member that is attached and fixed to the bone tissue by the screw, the screw including a screw shaft portion having a thread on an outer peripheral surface, and the screw shaft. A head provided at the upper end of the mounting portion, wherein the mounted member is a housing recess provided on the upper surface side of the mounted member so that the head of the screw fits, and a bottom of the housing recess. An implant device having a mounting hole, which is provided in a penetrating manner on the lower surface side of the mounted member and into which the screw shaft portion is fitted and inserted,
The axis of the head is slightly eccentric with respect to the axis of the screw shaft portion, or the accommodation recess is slightly eccentric with respect to the axis of the mounting hole, whereby the head of the screw is The head is pressed against the inner peripheral surface of the housing recess at a part in the circumferential direction while the part is fitted in the housing recess, and the screw shaft part is on the diametrically opposite side to the press contact part. An implant device, wherein the base of the implant is configured to be pressed against the inner peripheral surface of the attachment hole. 請求項１に記載のインプラント器具において、前記ネジ軸部の基部はネジ山が設けられていない円柱状に構成され、その外径は前記ネジ山の外径と一致する、インプラント器具。 The implant device according to claim 1, wherein a base portion of the screw shaft portion is formed in a cylindrical shape without a screw thread, and an outer diameter of the base is the same as an outer diameter of the screw thread. 請求項１に記載のインプラント器具において、前記ネジ軸部の基部にも前記ネジ山が設けられており、前記ネジの頭部が前記収容凹部内に嵌合した状態で、前記頭部と前記収容凹部の内周面との圧接部分に対して直径方向反対側において前記ネジ軸部の基部の前記ネジ山が前記取付孔の内周面に圧接されるよう構成されている、インプラント器具。 The implant device according to claim 1, wherein the screw thread is also provided on a base portion of the screw shaft portion, and the head portion of the screw is accommodated in the accommodation recess with the head portion of the screw fitted in the accommodation recess. An implant device configured such that the screw thread of the base of the screw shaft portion is pressed against the inner peripheral surface of the mounting hole on the diametrically opposite side to the pressure contact portion with the inner peripheral surface of the recess. 請求項３に記載のインプラント器具において、前記ネジの頭部が前記収容凹部内に嵌合した状態で、前記直径方向反対側において前記取付孔の内周面に軸方向少なくとも２箇所で前記ネジ山が圧接されるよう構成されている、インプラント器具。 The implant device according to claim 3, wherein, in a state where the head of the screw is fitted in the accommodation recess, the screw thread is formed at least at two axial positions on the inner peripheral surface of the mounting hole on the diametrically opposite side. An implant device configured to be crimped. 請求項１〜４のいずれかに記載のインプラント器具において、前記ネジの頭部の外周面並びに前記収容凹部の内周面は、下方に至るにしたがって僅かに小径となるテーパー面となされている、インプラント器具。 The implant instrument according to any one of claims 1 to 4, wherein an outer peripheral surface of the head portion of the screw and an inner peripheral surface of the accommodating recess are tapered surfaces having a slightly smaller diameter toward the lower side. Implant device. 取付対象物にねじ込まれるタッピングネジと、該ネジによって前記取付対象物に対して取付固定される被取付部材とを備え、前記ネジは、外周面にネジ山を有するネジ軸部と、該ネジ軸部の上端に設けられた頭部とを備え、前記被取付部材は、前記ネジの頭部が嵌合するよう前記被取付部材の上面側に設けられた収容凹部と、該収容凹部の底部から前記被取付部材の下面側に貫通状に設けられて前記ネジ軸部が嵌挿される取付孔とを有する、取付器具において、
前記ネジ軸部の軸心に対して前記頭部の軸心が僅かに偏心されているか、或いは、前記取付孔の軸心に対して前記収容凹部が僅かに偏心され、これにより前記ネジの頭部が前記収容凹部内に嵌合した状態で、周方向一部において前記頭部が前記収容凹部の内周面に圧接されるとともに、該圧接部分に対して直径方向反対側において前記ネジ軸部の基部が前記取付孔の内周面に圧接されるよう構成されている、取付器具。 A tapping screw to be screwed into the mounting object; and a mounted member mounted and fixed to the mounting object by the screw, wherein the screw has a screw shaft portion having a screw thread on an outer peripheral surface, and the screw shaft. A head provided at the upper end of the mounting portion, wherein the mounted member is a housing recess provided on the upper surface side of the mounted member so that the head of the screw fits, and a bottom of the housing recess. A mounting fixture having a mounting hole, which is provided in a penetrating manner on the lower surface side of the mounted member and into which the screw shaft portion is fitted,
The axis of the head is slightly eccentric with respect to the axis of the screw shaft portion, or the accommodation recess is slightly eccentric with respect to the axis of the mounting hole, whereby the head of the screw is The head is pressed against the inner peripheral surface of the housing recess at a part in the circumferential direction while the part is fitted in the housing recess, and the screw shaft part is on the diametrically opposite side to the press contact part. An attachment device, wherein the base portion of the attachment is configured to be pressed against the inner peripheral surface of the attachment hole. 請求項６に記載の取付器具において、前記ネジ軸部の基部はネジ山が設けられていない円柱状に構成され、その外径は前記ネジ山の外径と一致する、取付器具。 The mounting device according to claim 6, wherein the base of the screw shaft portion is formed in a cylindrical shape with no screw thread, and the outer diameter of the base is the same as the outer diameter of the screw thread. 請求項６に記載の取付器具において、前記ネジ軸部の基部にも前記ネジ山が設けられており、前記ネジの頭部が前記収容凹部内に嵌合した状態で、前記頭部と前記収容凹部の内周面との圧接部分に対して直径方向反対側において前記ネジ軸部の基部の前記ネジ山が前記取付孔の内周面に圧接されるよう構成されている、取付器具。 The mounting fixture according to claim 6, wherein the screw thread is also provided on a base portion of the screw shaft portion, and the head portion of the screw is accommodated in the accommodation recess with the head portion of the screw fitted in the accommodation recess. An attachment device configured such that the screw thread of the base of the screw shaft portion is pressed against the inner peripheral surface of the mounting hole on the diametrically opposite side to the pressure contact portion with the inner peripheral surface of the recess. 請求項８に記載の取付器具において、前記ネジの頭部が前記収容凹部内に嵌合した状態で、前記直径方向反対側において前記取付孔の内周面に軸方向少なくとも２箇所で前記ネジ山が圧接されるよう構成されている、取付器具。 The mounting fixture according to claim 8, wherein the screw head is fitted in the accommodation recess, and the screw thread is formed at least at two axial positions on the inner peripheral surface of the mounting hole on the diametrically opposite side. An attachment device configured to be crimped. 請求項６〜９のいずれかに記載の取付器具において、前記ネジの頭部の外周面並びに前記収容凹部の内周面は、下方に至るにしたがって僅かに小径となるテーパー面となされている、取付器具。 The mounting device according to any one of claims 6 to 9, wherein an outer peripheral surface of the head portion of the screw and an inner peripheral surface of the accommodating recess are tapered surfaces having a diameter that becomes slightly smaller toward the lower side. Mounting fixture.
JP2017114294A 2017-06-09 2017-06-09 Implant equipment Active JP6973777B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017114294A JP6973777B2 (en) 2017-06-09 2017-06-09 Implant equipment

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Application Number Priority Date Filing Date Title
JP2017114294A JP6973777B2 (en) 2017-06-09 2017-06-09 Implant equipment

Publications (3)

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JP2018202080A JP2018202080A (en) 2018-12-27
JP2018202080A5 true JP2018202080A5 (en) 2020-07-27
JP6973777B2 JP6973777B2 (en) 2021-12-01

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110876640A (en) * 2019-11-28 2020-03-13 佛山市逸合生物科技有限公司 Wedge block screw internal fixing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69835244T2 (en) * 1997-02-11 2007-03-29 Warsaw Orthopedic, Inc., Warsaw Plate for the anterior cervical spine with fixation system for one screw
JP2004324820A (en) * 2003-04-25 2004-11-18 Hard Lock Industry Co Ltd Bolt fastener and loosening preventing bolt
WO2011005788A1 (en) * 2009-07-06 2011-01-13 Synthes Usa, Llc Expandable fixation assemblies
JP6055079B2 (en) * 2013-03-14 2016-12-27 ハードロック工業株式会社 Mounting structure

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