JP7353311B2 - 動脈アクセスグラフト及び血液除去アセンブリ - Google Patents
動脈アクセスグラフト及び血液除去アセンブリ Download PDFInfo
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- JP7353311B2 JP7353311B2 JP2020572916A JP2020572916A JP7353311B2 JP 7353311 B2 JP7353311 B2 JP 7353311B2 JP 2020572916 A JP2020572916 A JP 2020572916A JP 2020572916 A JP2020572916 A JP 2020572916A JP 7353311 B2 JP7353311 B2 JP 7353311B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
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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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
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- A—HUMAN NECESSITIES
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
- A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
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- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
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- A—HUMAN NECESSITIES
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
- A61M60/232—Centrifugal pumps
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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- A61M60/20—Type thereof
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- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
- A61M60/279—Peristaltic pumps, e.g. roller pumps
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
- A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
- A61M60/38—Blood oxygenation
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- A—HUMAN NECESSITIES
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/515—Regulation using real-time patient data
- A61M60/523—Regulation using real-time patient data using blood flow data, e.g. from blood flow transducers
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
- A61M60/546—Regulation using real-time blood pump operational parameter data, e.g. motor current of blood flow, e.g. by adapting rotor speed
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- A—HUMAN NECESSITIES
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/827—Sealings between moving parts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
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- A61M60/851—Valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/857—Implantable blood tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/857—Implantable blood tubes
- A61M60/859—Connections therefor
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- A—HUMAN NECESSITIES
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/89—Valves
- A61M60/892—Active valves, i.e. actuated by an external force
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
- A61M2039/0235—Subcutaneous access sites for injecting or removing fluids having an additional inlet, e.g. for a guidewire or a catheter tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/0258—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for vascular access, e.g. blood stream access
-
- A—HUMAN NECESSITIES
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/0264—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body with multiple inlets or multiple outlets
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- A—HUMAN NECESSITIES
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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- A61M2039/027—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body having a particular valve, seal or septum
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- Medical Informatics (AREA)
- Emergency Medicine (AREA)
- Vascular Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Biophysics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
Claims (17)
- 駆動圧を受ける血液用の動脈アクセスグラフトであって、
前記動脈アクセスグラフトは腋窩動脈への外科的取り付けのため及びアクセスポートを通して前記腋窩動脈へのアクセスを提供するために構成され、
前記動脈アクセスグラフトは主管腔を画定する壁を含み、
前記壁の一部が前記壁を通る前記動脈アクセスグラフトへの前記アクセスポートを含み、
前記アクセスポートは、少なくとも200mmHg(0.263気圧)の駆動圧に曝されたときに液密性を維持するために十分に強い自己閉鎖挙動を提供する付勢構造を含み、これにより、前記アクセスポートは、前記動脈アクセスグラフトを通って流れる加圧された血液を入れるのに十分な液密性である、動脈アクセスグラフト。 - 前記付勢構造は、自己封止膜及び/又は弁を含む、請求項1に記載の動脈アクセスグラフト。
- 前記付勢構造の自己閉鎖挙動は、前記壁の自己閉鎖挙動よりも強い、請求項1又は2に記載の動脈アクセスグラフト。
- 前記アクセスポートは、アクセス管腔を含むアクセスアームを含み、前記アクセスアームは、前記壁から延びる、請求項1から3のいずれか一項に記載の動脈アクセスグラフト。
- 前記アクセス管腔は、前記主管腔よりも小さい直径を有する、請求項4に記載の動脈アクセスグラフト。
- 前記付勢構造は、前記動脈アクセスグラフトの主管腔に対して遠位にある前記アクセスアームの端部を封止するように配置される、請求項4又は5に記載の動脈アクセスグラフト。
- 前記アクセスアームは、前記動脈アクセスグラフトの壁から少なくとも10°、20°、30°、又は少なくとも45°の角度で延びる、請求項4から6のいずれか一項に記載の動脈アクセスグラフト。
- 前記主管腔は、前記動脈アクセスグラフトの全長の少なくとも一部に沿って延びて前記主管腔を少なくとも2つの通路に分離する仕切り構造を含み、任意選択で、前記通路のうちの1つの断面が別の通路よりも大きい、請求項1から7のいずれか一項に記載の動脈アクセスグラフト。
- 前記アクセスポートは1つの通路に結合する、請求項8に記載の動脈アクセスグラフト。
- 前記仕切り構造は折り畳み可能及び/又は可撓性である、請求項8又は9に記載の動脈アクセスグラフト。
- 左心室内腔から血液を除去するのに適した血液除去アセンブリであって、
請求項1から10のいずれか一項に記載の動脈アクセスグラフトと、
前記動脈アクセスグラフトのアクセスポートを通り抜けるように寸法決めされたカテーテルであって、前記アクセスポートの外側から前記動脈アクセスグラフトの端部を越えて延びるのに十分な長さのカテーテルと
を含む血液除去アセンブリ。 - 前記カテーテルは、提供される流れ制御デバイスへの接続に適したコネクタを含み、任意選択で、前記コネクタは、ルアーコネクタである、請求項11に記載の血液除去アセンブリ。
- 前記カテーテルは、戻り端又はピッグテール構成を含む、請求項11又は12に記載の血液除去アセンブリ。
- 前記血液除去アセンブリは、前記カテーテルを誘導するために、前記動脈アクセスグラフトを通って延びるのに十分な長さの取り外し可能なガイドワイヤをさらに含む、請求項11から13のいずれか一項に記載の血液除去アセンブリ。
- 前記血液除去アセンブリは、前記カテーテルを通って流れる流体の流量を表す流量値を測定するように構成された流量センサをさらに含む、請求項11から14のいずれか一項に記載の血液除去アセンブリ。
- 前記流量センサは、前記カテーテルと一体であるか又は前記カテーテルに取り付けられている、請求項15に記載の血液除去アセンブリ。
- 前記流量値を取得し、前記流量値に応答して流れ制御デバイスの流れ制御パラメータを調節するように構成されたコントローラをさらに含む、請求項15又は16に記載の血液除去アセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1810689.8 | 2018-06-29 | ||
GB1810689.8A GB2575093B (en) | 2018-06-29 | 2018-06-29 | Seal |
PCT/GB2019/051586 WO2020002872A1 (en) | 2018-06-29 | 2019-06-07 | Vascular access tube |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021529054A JP2021529054A (ja) | 2021-10-28 |
JPWO2020002872A5 JPWO2020002872A5 (ja) | 2022-03-30 |
JP7353311B2 true JP7353311B2 (ja) | 2023-09-29 |
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US (1) | US20210260354A1 (ja) |
EP (1) | EP3790505A1 (ja) |
JP (1) | JP7353311B2 (ja) |
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WO2023272352A1 (en) * | 2021-06-29 | 2023-01-05 | All Vascular Pty Limited | Vascular access device for introducing a catheter |
WO2023283751A1 (zh) * | 2021-07-12 | 2023-01-19 | 苏州心擎医疗技术有限公司 | 用于对心脏在发生功能衰竭时进行辅助的装置 |
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WO2011112755A2 (en) | 2010-03-09 | 2011-09-15 | Solinas Medical Inc. | Self-closing devices and methods for making and using them |
JP2018513732A (ja) | 2015-03-31 | 2018-05-31 | カーディアックアシスト・インコーポレイテッドCardiacassist, Inc. | 無菌コネクタ、血液ポンプ、および、患者ハーネス、を備えるカニューレシステム |
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- 2019-06-07 CN CN201980043664.7A patent/CN112384170A/zh active Pending
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Patent Citations (3)
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US20010007931A1 (en) | 2000-01-11 | 2001-07-12 | Blatter Duane D. | Vascular occlusal balloons and related vascular access devices and systems |
WO2011112755A2 (en) | 2010-03-09 | 2011-09-15 | Solinas Medical Inc. | Self-closing devices and methods for making and using them |
JP2018513732A (ja) | 2015-03-31 | 2018-05-31 | カーディアックアシスト・インコーポレイテッドCardiacassist, Inc. | 無菌コネクタ、血液ポンプ、および、患者ハーネス、を備えるカニューレシステム |
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GB2575093B (en) | 2022-08-17 |
GB201810689D0 (en) | 2018-08-15 |
JP2021529054A (ja) | 2021-10-28 |
WO2020002872A1 (en) | 2020-01-02 |
CN112384170A (zh) | 2021-02-19 |
GB2575093A (en) | 2020-01-01 |
EP3790505A1 (en) | 2021-03-17 |
US20210260354A1 (en) | 2021-08-26 |
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