JP7025487B2 - 椎間インプラントの拡張 - Google Patents
椎間インプラントの拡張 Download PDFInfo
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- JP7025487B2 JP7025487B2 JP2020122924A JP2020122924A JP7025487B2 JP 7025487 B2 JP7025487 B2 JP 7025487B2 JP 2020122924 A JP2020122924 A JP 2020122924A JP 2020122924 A JP2020122924 A JP 2020122924A JP 7025487 B2 JP7025487 B2 JP 7025487B2
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- slide
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- cams
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
-
- 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
- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
- A61F2002/3054—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation about a connection axis or implantation axis for selecting any one of a plurality of radial orientations between two modular parts, e.g. Morse taper connections, at discrete positions, angular positions or continuous positions
-
- 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
- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30556—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting thickness
-
- 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
- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. fixation devices
-
- 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
- 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
- A61F2002/30624—Hinged joint, e.g. with transverse axle restricting the movement
-
- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
- A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4625—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use
- A61F2002/4628—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use with linear motion along or rotating motion about an axis transverse to the instrument axis or to the implantation direction, e.g. clamping
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Description
1. 小さな挿入プロファイル:本開示は、椎間板腔内への例えば8.5mmの挿入を可能とし、必要な皮膚、筋膜、筋肉、および靭帯の破壊が減少する。例えば、6mmほどに小さいプロファイルを含む小さいプロファイル、または実質的に8.5mmよりも大きなプロファイルが達成され得る。
Claims (16)
- 関節の骨を分離するためのスペーサーであって、前記スペーサーが、
第一の端板および第二の端板であって、それぞれが、
骨係合面、および、
それぞれが傾斜カム面を有する少なくとも二つのカムであって、前記カムが前記骨係合面と反対側の側面上に位置付けられる、少なくとも二つのカムを有する、第一の端板および第二の端板と、
第一のスライドおよび第二のスライドであって、それぞれが、
それぞれが傾斜面を有し、それぞれが端板のカムの傾斜カム面と係合する、少なくとも二つの勾配を有し、
前記第一のスライドが、近位端に角度付き部分を有し、
前記第二のスライドが、第一のヒンジ部分を有する、第一のスライドおよび第二のスライドと、
ねじ山シャフトであって、
前記第一のヒンジ部分と協働して前記シャフトを前記第二のスライドに接続して、前記シャフトが前記第二のスライドに対して変更可能な角度を形成することを可能にする、第二のヒンジ部分を有する、ねじ山シャフトと、
前記シャフトと螺合係合するナットであって、前記ナットが、前記ナットが前記シャフト上を螺合前進した時に、前記第一のスライドの前記角度付き部分との干渉を形成し、それによって、前記第一のスライドを前記第二のスライドに対して駆動して、前記少なくとも二つのカムと前記少なくとも二つの勾配の相対移動係合を生じ、前記端板を相対的に離すように駆動して、それによって前記スペーサーの高さを増大させる、ナットと、を備え、
前記第一のスライドの前記角度付き部分がダブテール部分を形成し、前記スペーサーがさらに、前記シャフトの周りに位置付けられ、かつ前記シャフトに沿って軸方向に摺動可能である、カラーを含み、前記カラーが前記ナットによって接触可能であり、前記カラーが、前記シャフト上の前記ナットの回転によって前記シャフトに沿って軸方向に駆動可能であり、かつ前記第一のスライドの前記近位端に前記ダブテール部分と嵌合可能なダブテール部分を有し、それによって、前記ナットを螺合することによって生じる前記干渉が前記第一のスライドの前記ダブテール部分および前記カラーの前記ダブテール部分を係合させて互いに対して摺動させ、前記第一のスライドを前記第二のスライドに対して摺動させる、スペーサー。 - 前記ナットが、取り付けられたスリーブを有し、前記カラーが前記スリーブに取り付け可能であって、前記スリーブ上で前記シャフトに対して軸方向に回転可能である、請求項1に記載のスペーサー。
- 前記第一のスライドおよび前記第二のスライドが前記第一の端板と前記第二の端板との間に位置付けられ、端板それぞれの前記少なくとも二つのカムのうちの少なくとも一つが前記第一のスライドの前記少なくとも二つの勾配のうちの一つと接触して位置付けられ、端板それぞれの前記少なくとも二つのカムのうちの少なくとも一つが前記第二のスライドの前記少なくとも二つの勾配のうちの一つと接触して位置付けられる、請求項1に記載のスペーサー。
- 前記第一の端板および前記第二の端板のそれぞれの前記少なくとも二つのカムがそれぞれ四つのカムを含み、
前記第一のスライドおよび前記第二のスライドのそれぞれの前記少なくとも二つの勾配がそれぞれ四つの勾配を含み、
端板それぞれの二つのカムが前記第一のスライドの前記二つの勾配と接触して位置付けられ、
端板それぞれの二つのカムが前記第二のスライドの前記二つの勾配と接触して位置付けられる、請求項3に記載のスペーサー。 - 前記第一のスライドおよび前記第二のスライドが共に、前記第一のスライドおよび前記第二のスライドの上面および底面上の前記第一の端板および前記第二の端板によって境界付けられ、前記第一のスライドおよび前記第二のスライドが共に、前記第一のスライドおよび前記第二のスライドの左面および右面上の前記第一の端板および前記第二の端板の前記カムによって境界付けられる、請求項4に記載のスペーサー。
- 前記第一のスライドおよび前記第二のスライドが、嵌合接続によって相互に摺動可能に接合され、長手方向軸に沿った相対摺動を可能にする、請求項1に記載のスペーサー。
- 前記嵌合接続がダブテール接続である、請求項6に記載のスペーサー。
- 前記第二のスライドの前記第一のヒンジ部分および前記ねじ山シャフトの前記第二のヒンジ部分が共にクレビスおよびピンヒンジを形成する、請求項1に記載のスペーサー。
- 関節の骨を分離するためのスペーサーであって、前記スペーサーが、
第一の端板および第二の端板であって、それぞれが、
骨係合面、および、
それぞれが傾斜カム面を有する少なくとも二つのカムであって、前記カムが前記骨係合面と反対側の側面上に位置付けられる、少なくとも二つのカムを有する、第一の端板および第二の端板と、
第一のスライドおよび第二のスライドであって、それぞれが、
それぞれが傾斜面を有し、それぞれが端板のカムの傾斜カム面と係合する、少なくとも二つの勾配を有し、
前記第一のスライドが、近位端にダブテール部分を有し、
前記第二のスライドが、第一のヒンジ部分を有する、第一のスライドおよび第二のスライドと、
ねじ山シャフトであって、
前記第一のヒンジ部分と協働して前記シャフトを前記第二のスライドに接続して、前記シャフトが前記第二のスライドに対して変更可能な角度を形成することを可能にする、第二のヒンジ部分を有する、ねじ山シャフトと、
前記シャフトと螺合係合するナットと、
前記シャフトの周りに位置付けられ、かつ前記シャフトに沿って軸方向に摺動可能である、カラーであって、
前記カラーが前記ナットによって接触可能であり、前記カラーが、前記シャフト上の前記ナットの回転によって前記シャフトに沿って軸方向に駆動可能であり、
前記第一のスライドの前記近位端に前記ダブテール部分と嵌合可能なダブテール部分を有する、カラーとを備え、
前記第一のスライドが、前記第一のスライドの前記ダブテール部分と前記カラーが嵌合した時、かつ前記ナットが前記シャフト上で螺合回転して前記カラーと接触している時に、前記第二のスライドに対して摺動可能であり、前記第一のスライドを前記第二のスライドに対して摺動することが、前記第一の端板および第二の端板の前記少なくとも二つのカムと前記第一のスライドおよび第二のスライドの前記少なくとも二つの勾配の相対移動係合を生じ、前記端板を離すように駆動して、それによって前記スペーサーの高さを増大させる、スペーサー。 - 前記ナットが、取り付けられたスリーブを有し、前記カラーが前記スリーブに取り付け可能であって、前記スリーブ上で前記シャフトに対して軸方向に回転可能である、請求項9に記載のスペーサー。
- 前記第一のスライドおよび前記第二のスライドが前記第一の端板と前記第二の端板との間に位置付けられ、端板それぞれの前記少なくとも二つのカムのうちの少なくとも一つが前記第一のスライドの前記少なくとも二つの勾配のうちの一つと接触して位置付けられ、端板それぞれの前記少なくとも二つのカムのうちの少なくとも一つが前記第二のスライドの前記少なくとも二つの勾配のうちの一つと接触して位置付けられる、請求項9に記載のスペーサー。
- 前記第一の端板および前記第二の端板のそれぞれの前記少なくとも二つのカムがそれぞれ四つのカムを含み、
前記第一のスライドおよび前記第二のスライドのそれぞれの前記少なくとも二つの勾配がそれぞれ四つの勾配を含み、
端板それぞれの二つのカムが前記第一のスライドの前記二つの勾配と接触して位置付けられ、
端板それぞれの二つのカムが前記第二のスライドの前記二つの勾配と接触して位置付けられる、請求項11に記載のスペーサー。 - 前記第一のスライドおよび前記第二のスライドが共に、前記第一のスライドおよび前記第二のスライドの上面および底面上の前記第一の端板および前記第二の端板によって境界付けられ、前記第一のスライドおよび前記第二のスライドが共に、前記第一のスライドおよび前記第二のスライドの左面および右面上の前記第一の端板および前記第二の端板の前記カムによって境界付けられる、請求項12に記載のスペーサー。
- 前記第一のスライドおよび前記第二のスライドが、嵌合接続によって相互に摺動可能に接合され、長手方向軸に沿った相対摺動を可能にする、請求項9に記載のスペーサー。
- 前記嵌合接続がダブテール接続である、請求項14に記載のスペーサー。
- 前記第二のスライドの前記第一のヒンジ部分および前記ねじ山シャフトの前記第二のヒンジ部分が共にクレビスおよびピンヒンジを形成する、請求項9に記載のスペーサー。
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US16/515,096 US11179242B2 (en) | 2019-07-18 | 2019-07-18 | Expanding intervertebral implants |
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US10426632B2 (en) | 2013-03-13 | 2019-10-01 | Life Spine, Inc. | Expandable spinal interbody assembly |
US11896494B2 (en) | 2017-07-10 | 2024-02-13 | Life Spine, Inc. | Expandable implant assembly |
EP3979951A1 (en) | 2019-06-10 | 2022-04-13 | Life Spine, Inc. | Expandable implant assembly with compression features |
US12042395B2 (en) | 2019-06-11 | 2024-07-23 | Life Spine, Inc. | Expandable implant assembly |
US11857432B2 (en) | 2020-04-13 | 2024-01-02 | Life Spine, Inc. | Expandable implant assembly |
US11602439B2 (en) | 2020-04-16 | 2023-03-14 | Life Spine, Inc. | Expandable implant assembly |
US11337825B2 (en) * | 2020-05-15 | 2022-05-24 | Life Spine, Inc. | Steerable implant assembly |
US11298240B2 (en) * | 2020-06-16 | 2022-04-12 | Globus Medical, Inc. | Expanding intervertebral implants |
US11602440B2 (en) | 2020-06-25 | 2023-03-14 | Life Spine, Inc. | Expandable implant assembly |
US11554020B2 (en) | 2020-09-08 | 2023-01-17 | Life Spine, Inc. | Expandable implant with pivoting control assembly |
WO2023220052A1 (en) * | 2022-05-10 | 2023-11-16 | Life Spine, Inc. | Steerable implant assembly |
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US20150012097A1 (en) | 2013-07-03 | 2015-01-08 | Spinefrontier Inc | System amd method for an expandable intervertebral implant |
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JP2021016797A (ja) | 2021-02-15 |
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