JP7745691B2 - インプラント内に電子コンポーネントを埋め込むためのシステム及び方法 - Google Patents
インプラント内に電子コンポーネントを埋め込むためのシステム及び方法Info
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- JP7745691B2 JP7745691B2 JP2024067100A JP2024067100A JP7745691B2 JP 7745691 B2 JP7745691 B2 JP 7745691B2 JP 2024067100 A JP2024067100 A JP 2024067100A JP 2024067100 A JP2024067100 A JP 2024067100A JP 7745691 B2 JP7745691 B2 JP 7745691B2
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- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
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- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
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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
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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
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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
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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
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- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
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- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
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- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
- A61B2560/0219—Operational features of power management of power generation or supply of externally powered implanted units
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- A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
- A61B2562/168—Fluid filled sensor housings
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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
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- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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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
- A61F2/4455—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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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
- 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
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
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- A—HUMAN NECESSITIES
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- A61N1/375—Constructional arrangements, e.g. casings
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- Veterinary Medicine (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
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- Surgery (AREA)
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- Physics & Mathematics (AREA)
- Neurosurgery (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Rheumatology (AREA)
- Dentistry (AREA)
- Prostheses (AREA)
- Electrotherapy Devices (AREA)
Description
[0001] 本出願は、2019年11月1日に出願された米国仮出願第62/929,681号、2020年2月13日に出願された米国仮出願第62/976,139号、及び、2020年5月15日に出願された米国仮出願第63/025,831号の利益を主張する。これらは全て援用により全体が本願に含まれる。
[0036] インプラント本体内に電子コンポーネントを埋め込むためのシステム及び方法は、医療機器インプラントに電子機器を効率的かつロバストに一体化する場合の製造上の課題に対応するよう機能する。具体的には、システム及び方法は、整形外科用インプラント、より具体的には、脊椎固定手術に用いられる脊椎ケージインプラント(椎体間固定デバイス(intervertebral body fusion device)としても知られている)に電子コンポーネントを埋め込むことに取り組む。
[0057] 図1及び図2に示されているように、医療インプラント内に埋め込まれた電子機器のためのシステムは、インプラント本体100と、少なくとも1つの電子コンポーネントを収容する回路システム105と、回路システムに接続されるか又は回路システム上に直接置かれ、電極132のセット及びアンテナ134を備える電子コンポーネント130と、回路システム及び電子コンポーネントを接続する配線150と、を含む。いくつかの変形において、回路システムは、少なくとも1つの電子コンポーネントを収容する少なくとも1つの回路表面110を備え、この回路表面は、少なくとも1つの経路に沿ったインプラント本体の規定キャビティ内に少なくとも部分的に埋め込まれている。いくつかの変形では、システムは更に、保護構造を備える被覆120も含むことができる。回路システム105の少なくとも部分的に埋め込まれた部分は、この被覆内に封入されている(enclose)。
[00118] 埋め込み電子コンポーネントを備える医療インプラントデバイスを製造するための方法は、製造及び動作中に電子機器を保護するインプラントの本体内に少なくとも1つの回路コンポーネントを組み込むように機能する。具体的には、医療インプラントデバイスを製造するための方法は、少なくとも1つの回路表面の周りに作製されたインプラント本体の経路に沿って回路表面を埋め込むためのプロセスを可能とする。また、方法は、医療インプラントデバイスの様々なインプラント本体コンポーネント内に回路サブシステムを埋め込み、次いでそれらを一体化する多段階プロセスも含み得る。
Claims (15)
- 医療脊椎ケージインプラント内に埋め込まれた電子機器のためのシステムであって、
・生体適合性材料で形成されたインプラント本体と、
・前記インプラント本体の規定内部キャビティ内の経路に沿って少なくとも部分的に埋め込まれている回路表面と、生体適合性でない回路コンポーネントを含むケーシング回路サブシステムとを含む回路システムであって、前記回路表面は、該回路表面と一体化され、かつ、生体適合性材料で作られた電子コンポーネントのセットを含み、該電子コンポーネントのセットは、アンテナ及び電極のセットを含み、前記インプラント本体は、前記回路表面の周りに形成されている、回路システムと、
・前記インプラント本体に直接接続された封止金属構造であるケーシングと、
を備え、
前記ケーシング回路サブシステムは、前記ケーシング内に封入され、
前記ケーシングは、前記ケーシング回路サブシステム、及び、前記回路表面の前記電子コンポーネントのセットに動作可能に接続する露出した電気コネクタを含む、
システム。 - 前記ケーシング回路サブシステムは、前記ケーシング内に収容されたプリント回路基板(PCB)と、前記PCB及び前記インプラント本体内に埋め込まれた前記電子コンポーネントのセットを電気的に接続する配線とを更に含む、請求項1に記載のシステム。
- 前記回路表面は、プリント回路基板(PCB)を含む、請求項1に記載のシステム。
- 保護構造を備えた被覆を更に含み、前記回路表面の少なくとも部分的に埋め込まれた部分は、前記被覆内に封入されている、請求項3に記載のシステム。
- 前記被覆は、シリコーンで構成されて、前記PCBがシリコーン被覆によって封入されると共に覆われるようになっている、請求項4に記載のシステム。
- 前記経路は、単一の直線状の又は湾曲した経路を含み、前記PCBは、前記単一の直線状の又は湾曲した経路に沿って前記インプラント本体内に埋め込まれている、請求項3に記載のシステム。
- 前記経路は、複数の直線状の又は湾曲した経路を含み、前記複数の経路に沿った前記PCBは、前記複数の経路の形状に概ね一致する折り畳まれたPCBを含む、請求項3に記載のシステム。
- 前記PCBの中央部が前記インプラント本体への挿入方向に対して垂直な面を有すると共に前記PCBの両端が曲げられている、請求項7に記載のシステム。
- 前記折り畳まれたPCBは、3つの空間次元の全てに対して少なくとも1つの垂直な表面を有するように折り畳むことができる、請求項7に記載のシステム。
- 前記PCBの各垂直な表面がアンテナコンポーネントを含んで、前記アンテナが全ての空間次元に延出するようになっている、請求項9に記載のシステム。
- 前記折り畳まれたPCBは、複数回折り返されるようにアコーディオン状に折り畳まれている、請求項9に記載のシステム。
- 前記アンテナは、多層の幾何学的形状を含み、前記PCBの隣接層は、前記アンテナの一部を含み、これによって積層された平面状折り畳みを含む相対的に3次元のアンテナを形成する、請求項11に記載のシステム。
- 前記インプラント本体は、熱可塑性物質であり、
前記ケーシングは、密閉され、かつ、かつインプラント本体にレーザ溶接され、前記ケーシング内に封入された前記回路システムは、前記インプラント本体内の電子コンポーネントに電気的に接続されているPCBを含む、請求項1に記載のシステム。 - 前記インプラント本体は、脊椎ケージを含み、前記ケーシングは、前記脊椎ケージの短い方の側面に物理的に接続される、請求項1に記載のシステム。
- 前記回路表面は、前記脊椎ケージの2つの長い方の側面に沿った経路に埋め込まれた2つの平面を含み、各平面は、前記インプラント本体の外面で露出した、前記平面から垂直に外側へ延出している2つの電極を含み、各平面は、前記インプラント本体の内面で露出した、前記平面から垂直に内側へ延出している2つの電極を含み、各平面は、前記平面の同一の寸法に沿って前記平面の外周の周りに巻き付けたアンテナを有する、請求項14に記載のシステム。
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