JP2019118832A - 多軸骨固定装置、および器具と多軸骨固定装置とを含むシステム - Google Patents
多軸骨固定装置、および器具と多軸骨固定装置とを含むシステム Download PDFInfo
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 120
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 238000004873 anchoring Methods 0.000 claims description 96
- 238000004904 shortening Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000002324 minimally invasive surgery Methods 0.000 description 4
- 239000007943 implant Substances 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000560 biocompatible material Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
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- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- A61B17/70—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
- A61B17/7002—Longitudinal elements, e.g. rods
-
- 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
- A61B17/70—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
- A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
-
- 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
- A61B17/70—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
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
- A61B17/7034—Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening
-
- 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
- A61B17/70—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
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
- A61B17/7077—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for moving bone anchors attached to vertebrae, thereby displacing the vertebrae
- A61B17/708—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for moving bone anchors attached to vertebrae, thereby displacing the vertebrae with tubular extensions coaxially mounted on the bone anchors
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
- A61B17/7085—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements for insertion of a longitudinal element down one or more hollow screw or hook extensions, i.e. at least a part of the element within an extension has a component of movement parallel to the extension's axis
-
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
-
- 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
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
- A61B17/7086—Rod reducers, i.e. devices providing a mechanical advantage to allow a user to force a rod into or onto an anchor head other than by means of a rod-to-bone anchor locking element; rod removers
-
- 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
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
Abstract
Description
Claims (15)
- ロッドを骨固定要素に連結するための多軸骨固定装置であって、
骨に定着されるシャンク(2)および頭部(3)を含む骨固定要素(1)と、
受け部(5;5′;5″)とを含み、前記受け部(5;5′;5″)は、第1端部(5a)および第2端部(5b)と、前記第1端部および前記第2端部を通って延在する中心軸Cと、ロッド(6)を受け入れるための凹部(52)とを備え、前記骨固定要素(1)の前記頭部(3)を受け入れ、
前記頭部(3)に圧力を加えるための加圧部材(7;7′;7″)を含み、
前記加圧部材(7;7′;7″)は、少なくとも1つの係合部(756;753a,753b;75a″,75b″)を備え、前記少なくとも1つの係合部は、器具と係合すると、軸方向に沿って前記加圧部材(7;7′;7″)を、前記頭部(3)が前記受け部(5,5′,5″)内で旋回可能なアンロック位置から、前記頭部(3)がクランプされるロック位置に移動するように構成され、
前記受け部(5,5′,5″)は、第1当接面(50b;560a;50c″)を備え、前記第1当接面は、前記加圧部材(7)に設けられた第2当接面(71;751;71″)と協働することによって、前記器具を取り外した場合に前記加圧部材(7;7′;7″)を前記ロック位置に保持するように構成されている、多軸骨固定装置。 - 前記加圧部材(7;7′;7″)は、前記第1当接面(50b;560a;50c″)と前記第2当接面(71;751;71″)との間の摩擦によって、好ましくは前記加圧部材(7;7′;7″)と前記受け部(5,5′,5″)との間のプレスフィット連結によって、前記ロック位置に保持される、請求項1に記載の多軸骨固定装置。
- 前記受け部(5,5′,5″)は、少なくとも1つの側面開口(55a,55b,55a′,55b′;55a″,55b″)を備え、
前記加圧部材の前記少なくとも1つの係合部(756;753a,753b;75a″,75b″)は、前記少なくとも1つの側面開口を通って延在する、請求項1または2に記載の多軸骨固定装置。 - 前記側面開口(55a,55b,55a′,55b′;55a″,55b″)の軸方向の上縁および下縁が、前記加圧部材(7;7′;7″)の動きを制限するための上方止め部および下方止め部を形成する、請求項3に記載の多軸骨固定装置。
- 前記加圧部材(7;7′;7″)は、前記頭部(3)の最大幅を有する部分で前記頭部(3)を少なくとも部分的に取り囲み、
前記第2当接面(71;71″)は、前記受け部(5;5′;5″)の前記第2端部(5b)に向かって、前記頭部(3)の最大幅を有する部分またはその下方に位置する前記加圧部材(7;7″)の外面によって形成され、
前記第1当接面(50b;50c″)は、前記頭部(3)を収容するための前記受け部(5;5″)の内壁によって形成される、請求項1から4のいずれか1項に記載の多軸骨固定装置。 - 前記加圧部材(7;7′;7″)の前記係合部は、ピン(75a′,75b′;75a″,75b″)に形成され、
前記ピンは、好ましくは、前記加圧部材の主要部に取り付け可能な別個の部品である、請求項1から5のいずれか1項に記載の多軸骨固定装置。 - 前記加圧部材(7′)は、前記少なくとも1つの側面開口(55a′,55b′)を通って前記受け部(5′)に取り付け可能であり、前記側面開口(55a′,55b′)を通って延在する少なくとも1つの側面延在部(750a′,750b′)を備える、請求項3から6のいずれか1項に記載の多軸骨固定装置。
- 前記第1当接面(560a)および前記第2当接面(751)は、前記少なくとも1つの側面開口(55a′,55b′)に配置され、
前記第1当接面(560a)および前記第2当接面(751)は、協働する楔形面である、請求項7に記載の多軸骨固定装置。 - 前記受け部(5;5′;5″)は、前記器具と係合するための少なくとも1つの係合部(53a,53b;53a′,53b′;53b″)を含む、請求項1から8のいずれか1項に記載の多軸骨固定装置。
- 前記受け部(5;5′;5″)は、前記器具と係合するための少なくとも2つの係合部(53a,53b;53a′,53b′)を備え、
前記係合部(53a,53b;53a′,53b′)は、前記ロッドを受け入れるための前記凹部(52)の長手軸(L)に対して非対称に配置されている、請求項9に記載の多軸骨固定装置。 - 前記ロッド(6)と前記頭部(3)とを同時に固定するための固定部材(8)、好ましくは一体構造の固定部材をさらに備え、
前記加圧部材(7;7′;7″)は、前記固定部材(8)からの作用を受けず、前記ロック位置に留まるように構成される、請求項1から10のいずれか1項に記載の多軸骨固定装置。 - 前記ロッド(6)を受け入れるための凹部(52)によって、2つの脚部(52a,52b)が前記受け部(5;5′;5″)に形成され、
前記脚部の各々は、前記脚部の一部を切断することによって前記脚部の長さを短くすることを可能にする脆弱部(5c)を含み、
好ましくは、前記脚部には、切り離される前記一部まで延在する内ねじ山(51)が設けられる、請求項1から11のいずれか1項に記載の多軸骨固定装置。 - 器具と、請求項1から12のいずれか1項に記載の骨固定装置とを含むシステムであって、
前記器具は、
前記加圧部材(7;7′;7″)と係合するように構成された第1管材(100)と、
前記受け部(5;5′;5″)と係合するように構成された第2管材(120)とを備え、
前記第1管材(100)が前記加圧部材と係合し且つ前記第2管材(100)が前記受け部と係合する場合、前記第1管材(100)は、前記第2管材(120)に対して移動可能であり、前記受け部(5;5′;5″)に対して前記加圧部材(7;7′;7″)を移動させる、システム。 - 前記第1管材(100)は、外側管材であり、
前記第2管材(120)は、前記外側管材の内側に配置される内側管材である、請求項13に記載のシステム。 - 前記加圧部材(7;7′;7″)および/または前記受け部(5;5′;5″)は、前記受け部(5;5′)に対して前記第1管材(100)および前記第2管材(120)を各々回転させることによって、前記第1管材(100)および前記第2管材(120)と各々係合するように構成されている、請求項13または14に記載のシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862615724P | 2018-01-10 | 2018-01-10 | |
EP18151105.6A EP3510954B1 (en) | 2018-01-10 | 2018-01-10 | Polyaxial bone anchoring device and system of an instrument and a polyaxial bone anchoring device |
US62/615,724 | 2018-01-10 | ||
EP18151105.6 | 2018-01-10 |
Publications (2)
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JP2019118832A true JP2019118832A (ja) | 2019-07-22 |
JP7320354B2 JP7320354B2 (ja) | 2023-08-03 |
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JP2019000616A Active JP7320354B2 (ja) | 2018-01-10 | 2019-01-07 | 骨固定装置、および器具と骨固定装置とを含むシステム |
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US (2) | US11123108B2 (ja) |
EP (1) | EP3510954B1 (ja) |
JP (1) | JP7320354B2 (ja) |
CN (1) | CN110013298B (ja) |
Families Citing this family (10)
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US9980753B2 (en) * | 2009-06-15 | 2018-05-29 | Roger P Jackson | pivotal anchor with snap-in-place insert having rotation blocking extensions |
EP2442739A1 (en) * | 2008-08-01 | 2012-04-25 | Jackson, Roger P. | Longitudinal connecting member with sleeved tensioned cords |
US11160586B2 (en) * | 2018-05-09 | 2021-11-02 | Zimmer Biomet Spine, Inc. | Anchoring device with extended tabs |
WO2020102787A1 (en) | 2018-11-16 | 2020-05-22 | Surber, James L. | Pivotal bone anchor assembly having a deployable collet insert with internal pressure ring |
EP3821834B1 (en) * | 2019-11-14 | 2024-05-01 | Biedermann Technologies GmbH & Co. KG | Receiving part for coupling a rod to a bone anchor |
EP3831322A1 (en) * | 2019-12-06 | 2021-06-09 | Biedermann Technologies GmbH & Co. KG | Coupling device for coupling a rod to a bone anchor |
FR3105065B1 (fr) * | 2019-12-24 | 2021-12-03 | Michelin & Cie | Installation d’extrusion avec système de verrouillage à verrous autotractés |
EP3988040A1 (en) * | 2020-10-22 | 2022-04-27 | Biedermann Technologies GmbH & Co. KG | Coupling device for coupling a rod to a bone anchor |
EP3991673B1 (en) | 2020-10-29 | 2023-12-20 | Biedermann Technologies GmbH & Co. KG | Coupling device for coupling a rod to a bone anchor |
EP4129220A1 (en) * | 2021-08-04 | 2023-02-08 | Biedermann Technologies GmbH & Co. KG | Coupling device for coupling a rod to a bone anchoring element and method of manufacturing the same |
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JP2013039370A (ja) * | 2011-08-18 | 2013-02-28 | Biedermann Technologies Gmbh & Co Kg | 多軸骨固定装置 |
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JP7320354B2 (ja) | 2023-08-03 |
EP3510954B1 (en) | 2021-07-28 |
CN110013298B (zh) | 2022-12-02 |
US11123108B2 (en) | 2021-09-21 |
US11937853B2 (en) | 2024-03-26 |
EP3510954A1 (en) | 2019-07-17 |
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