JP7350108B2 - 医療器具のための磁気シールド - Google Patents
医療器具のための磁気シールド Download PDFInfo
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- JP7350108B2 JP7350108B2 JP2022015021A JP2022015021A JP7350108B2 JP 7350108 B2 JP7350108 B2 JP 7350108B2 JP 2022015021 A JP2022015021 A JP 2022015021A JP 2022015021 A JP2022015021 A JP 2022015021A JP 7350108 B2 JP7350108 B2 JP 7350108B2
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
- A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0833—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures
- A61B8/0841—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures for locating instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2051—Electromagnetic tracking systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3954—Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/7425—Displaying combinations of multiple images regardless of image source, e.g. displaying a reference anatomical image with a live image
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0127—Magnetic means; Magnetic markers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Human Computer Interaction (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Magnetic Record Carriers (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicinal Preparation (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Materials For Medical Uses (AREA)
Description
Claims (12)
- 針アセンブリであって、
直径、外面、遠位先端、および近位端、を有する細長いシャフトを含む針を備え、前記細長いシャフトの前記直径は、静脈内カテーテル内に挿入されるような寸法であり、前記細長いシャフトの少なくとも一部は、第1の磁気領域と、前記細長いシャフトの前記直径に対する増加した直径領域を提供する前記第1の磁気領域における不連続部とを有し、前記不連続部は、磁性接着剤を備え、
前記第1の磁気領域は、前記遠位先端から固定距離にある知られた位置に配置され、前記第1の磁気領域の第1の磁場強度及びベクトルが磁力計により検出され、その結果、前記第1の磁気領域の位置、及び、前記固定距離に基づき、前記細長いシャフトの前記遠位先端の位置を提供し、
前記磁性接着剤は、前記細長いシャフトの前記直径を増加させ、
前記磁性接着剤は、前記細長いシャフトの外面に配置され、
前記磁性接着剤は、常磁性添加物、強磁性添加物、およびそれらの組合せから選択される、針アセンブリ。 - 前記シャフトは、静脈内カテーテル管内に配置される請求項1に記載の針アセンブリ。
- 前記添加物は、粉末化された鉄、磁気的な酸化鉄、磁気的な酸化チタン、磁気的な粉末化された鋼、および磁気的な鉄合金、ならびにそれらの混合物からなる群から選択される構成要素を含む請求項1に記載の針アセンブリ。
- 前記磁気的な鉄合金は、ニッケル、亜鉛、および銅のうちの1つまたは複数を含む請求項3に記載の針アセンブリ。
- 前記添加物は、クロム、マグネシウム、モリブデン、およびそれらの組合せから選択される構成要素をさらに含む請求項4に記載の針アセンブリ。
- 前記針は、マルテンサイト系ステンレス鋼を含む請求項1に記載の針アセンブリ。
- 請求項1に記載の針アセンブリを含むシステムであって、
前記針は、前記針の前記近位端に取り付けられた針ハブをさらに含む針部分組立体の一部であり、前記システムは、カテーテルアダプタ部分組立体を備えるシステム。 - 前記カテーテルアダプタ部分組立体は、カテーテル管およびカテーテルアダプタ本体を含み、前記シャフトは、前記静脈内カテーテル管と摺動可能に係合する請求項7に記載のシステム。
- 前記カテーテルアダプタ部分組立体は、磁気機構をさらに備える請求項8に記載のシステム。
- 前記磁気機構は、近位端および遠位先端を有する前記静脈内カテーテル管の軸上に、前記静脈内カテーテル管の前記遠位先端から固定距離にある知られた位置に配置されたN極およびS極を備える永久磁石と、前記針の軸上に、前記針の前記遠位先端から前記固定距離にある知られた位置に配置されたN極およびS極を備える前記永久磁石とを備え、前記カテーテルアダプタ部分組立体の前記静脈内カテーテル管に固定された1つまたは複数の前記磁気機構が、前記静脈内カテーテル管の前記軸に沿って、近位方向に互いに隣接して、または、間隔を空けて配置され、これらは、超音波プローブ磁気センサにより測定可能な測定データを提供する、請求項9に記載のシステム。
- 前記第1の磁気領域および前記磁気機構に対して配置された前記磁力計をさらに備え、
前記システムは、前記針の前記磁気領域を使用して、前記針の前記遠位先端の位置を独立して測定し、カテーテル先端の計算された位置に対して前記遠位先端の位置を比較するように構成される、請求項9に記載のシステム。 - 請求項2に記載の針アセンブリを含むシステムであって、
前記針は、前記針の前記近位端に取り付けられた針ハブをさらに含む針部分組立体の一部であり、
前記システムは、カテーテルアダプタ部分組立体をさらに含み、
前記カテーテルアダプタ部分組立体は、前記静脈内カテーテル管と、近位端および遠位先端を有する前記静脈内カテーテル管の軸上に、前記静脈内カテーテル管の前記遠位先端から固定距離にある知られた位置に配置されたN極およびS極を備える永久磁石と、前記針の軸上に、前記針の前記遠位先端から前記固定距離にある知られた位置に配置されたN極およびS極を備える前記永久磁石とを備え、前記カテーテルアダプタ部分組立体の前記静脈内カテーテル管に固定された1つまたは複数の前記磁気機構が、前記静脈内カテーテル管の前記軸に沿って、近位方向に互いに隣接して、または、間隔を空けて配置され、これらは、超音波プローブ磁気センサにより測定可能な測定データを提供する、システム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US15/170,531 | 2016-06-01 | ||
US15/170,531 US20170347914A1 (en) | 2016-06-01 | 2016-06-01 | Invasive Medical Devices Including Magnetic Region And Systems And Methods |
JP2018563448A JP7195933B2 (ja) | 2016-06-01 | 2017-05-23 | 磁気領域を含む侵襲性の医用デバイスならびにシステムおよび方法 |
PCT/US2017/033985 WO2017210018A1 (en) | 2016-06-01 | 2017-05-23 | Invasive medical devices including magnetic region and systems and methods |
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JP2022048322A JP2022048322A (ja) | 2022-03-25 |
JP7350108B2 true JP7350108B2 (ja) | 2023-09-25 |
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JP2022015021A Active JP7350108B2 (ja) | 2016-06-01 | 2022-02-02 | 医療器具のための磁気シールド |
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CN (1) | CN109475320A (ja) |
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CA (1) | CA3025800C (ja) |
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US20240049979A1 (en) | 2024-02-15 |
US11877839B2 (en) | 2024-01-23 |
AU2017273353B2 (en) | 2020-04-09 |
AU2017273353A1 (en) | 2018-12-13 |
BR112018074762A8 (pt) | 2023-03-07 |
EP4356865A3 (en) | 2024-07-17 |
EP3463079A1 (en) | 2019-04-10 |
MY197233A (en) | 2023-06-07 |
US20210290099A1 (en) | 2021-09-23 |
BR112018074762A2 (pt) | 2019-03-06 |
KR102364067B1 (ko) | 2022-02-18 |
EP3463079B1 (en) | 2024-04-10 |
CA3025800A1 (en) | 2017-12-07 |
JP2022048322A (ja) | 2022-03-25 |
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JP7195933B2 (ja) | 2022-12-26 |
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