JP5357146B2 - 高周波磁場又は電場において使用する伝送ケーブル - Google Patents
高周波磁場又は電場において使用する伝送ケーブル Download PDFInfo
- Publication number
- JP5357146B2 JP5357146B2 JP2010514214A JP2010514214A JP5357146B2 JP 5357146 B2 JP5357146 B2 JP 5357146B2 JP 2010514214 A JP2010514214 A JP 2010514214A JP 2010514214 A JP2010514214 A JP 2010514214A JP 5357146 B2 JP5357146 B2 JP 5357146B2
- Authority
- JP
- Japan
- Prior art keywords
- conductive
- transmission cable
- bridge
- transmission
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
- G01R33/287—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR involving active visualization of interventional instruments, e.g. using active tracking RF coils or coils for intentionally creating magnetic field inhomogeneities
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00172—Connectors and adapters therefor
- A61B2018/00178—Electrical connectors
-
- 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
- A61B2090/374—NMR or MRI
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
- A61N1/086—Magnetic resonance imaging [MRI] compatible leads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Communication Cables (AREA)
- Surgical Instruments (AREA)
Description
Claims (9)
- 高周波磁場及び/又は電場において使用する伝送ケーブルであって、
非導電性ギャップにより分離される少なくとも2つの電気伝導配線セグメントを含む伝送線と、
前記非導電性ギャップをブリッジすることができる、少なくとも一つの電気伝導ブリッジセグメントを含むブリッジユニットと、
前記ブリッジセグメントを使用して、前記非導電性ギャップを閉成することによって前記2つの配線セグメントを電気的に接続するか、又は前記非導電性ギャップを開成することによって、前記2つの配線セグメントを電気的に切断するように、前記ブリッジユニット及び/又は前記伝送線を移動させる切り替えユニットと
を有する、伝送ケーブル。 - 前記ブリッジユニットが、非導電性ロッドに取り付けられるバネ型ブラシ接触部を含み、前記切り替えユニットは、前記バネ型ブラシ接触部を使用して、前記非導電性ロッドを並進させることにより、前記非導電性ギャップを閉成するように構成される、請求項1に記載の伝送ケーブル。
- 前記ブリッジユニットが、前記非導電性ギャップの開成状態を保つ非導電性バネを有し、前記切り替えユニットは、前記非導電性バネに力を加えることによって前記非導電性ギャップを閉成するように構成される、請求項1に記載の伝送ケーブル。
- 前記ブリッジユニットが、前記切り替えユニットによって補完的な電気状態に切り替えられるまで、前記伝送ケーブルを元の電気的状態に維持する機械式結合要素を含む、請求項1に記載の伝送ケーブル。
- 前記切り替えユニットが、前記ブリッジユニット及び/又は前記伝送線を並進させる、請求項1に記載の伝送ケーブル。
- 前記切り替えユニットが、前記ブリッジユニット及び/又は前記伝送線を回転させる、請求項1に記載の伝送ケーブル。
- 請求項1に記載の伝送ケーブルを組み込むインターベンション装置。
- 請求項7に記載のインターベンション装置を含む磁気共鳴装置。
- 高周波の電場及び/又は磁場において、請求項1による伝送ケーブルを使用する方法を実行するコンピュータプログラムであって、
前記ブリッジセグメントを使用して、前記非導電性ギャップを閉成することによって、前記2つの配線セグメントを電気的に接続するため、又は前記非導電性ギャップを開成することによって、前記2つの配線セグメントを電気的に切断するため、前記ブリッジユニット及び/又は前記伝送線を移動させるように前記切り替えユニットを動作させる命令を含む、コンピュータプログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07111387.2 | 2007-06-29 | ||
EP07111387 | 2007-06-29 | ||
PCT/IB2008/052589 WO2009004548A2 (en) | 2007-06-29 | 2008-06-27 | Transmission cable for use in radio-frequency magnetic or electrical fields |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010531706A JP2010531706A (ja) | 2010-09-30 |
JP5357146B2 true JP5357146B2 (ja) | 2013-12-04 |
Family
ID=40225235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010514214A Expired - Fee Related JP5357146B2 (ja) | 2007-06-29 | 2008-06-27 | 高周波磁場又は電場において使用する伝送ケーブル |
Country Status (7)
Country | Link |
---|---|
US (1) | US8847072B2 (ja) |
EP (1) | EP2162755B1 (ja) |
JP (1) | JP5357146B2 (ja) |
CN (1) | CN101688905B (ja) |
AT (1) | ATE491160T1 (ja) |
DE (1) | DE602008003929D1 (ja) |
WO (1) | WO2009004548A2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2496164B1 (en) * | 2009-11-02 | 2016-02-10 | Koninklijke Philips N.V. | Radio frequency ablation catheter and magnetic resonance imaging system comprising said ablation catheter |
KR101279409B1 (ko) * | 2010-02-01 | 2013-06-27 | 주식회사 엘지화학 | 케이블형 이차전지 |
EP2567658A1 (en) * | 2011-09-06 | 2013-03-13 | Koninklijke Philips Electronics N.V. | Interventional or non-interventional instrument for use in an MRI apparatus |
EP2597481A1 (en) | 2011-11-22 | 2013-05-29 | Koninklijke Philips Electronics N.V. | RF-safe interventional or non-interventional instrument for use in an MRI apparatus |
US9579502B2 (en) * | 2014-04-19 | 2017-02-28 | Medtronic, Inc. | Implantable medical leads, systems, and related methods for creating a high impedance within a conduction path in the presence of a magnetic field of a given strength |
DE102018203102B3 (de) * | 2018-03-01 | 2019-05-16 | Epflex Feinwerktechnik Gmbh | Führungsdraht für medizinische MR-Anwendungen |
GB2587812B (en) * | 2019-10-02 | 2022-09-21 | Univ Oxford Brookes | Sensor |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2437969A (en) * | 1946-01-24 | 1948-03-16 | Elliott F Barlow | Deformable switch |
US4126845A (en) * | 1976-04-15 | 1978-11-21 | Matsushita Electric Industrial Co., Ltd. | Temperature responsive current interrupter |
US5458629A (en) | 1994-02-18 | 1995-10-17 | Medtronic, Inc. | Implantable lead ring electrode and method of making |
FR2745943B1 (fr) * | 1996-03-05 | 1998-05-15 | Carrier Kheops Bac | Commutateur de cable electrique |
DE69734233T2 (de) | 1996-09-02 | 2006-07-13 | Koninklijke Philips Electronics N.V. | Invasives gerät zum gebrauch in einem gerät zur bilderzeugung durch magnetische resonanz |
US6144870A (en) | 1996-10-21 | 2000-11-07 | Procath Corporation | Catheter with improved electrodes and method of fabrication |
AU6790398A (en) | 1998-03-30 | 1999-10-18 | Boston Scientific Corporation | Catheter carrying an electrode and methods of assembly |
US6952616B2 (en) | 2000-09-26 | 2005-10-04 | Micronet Medical, Inc. | Medical lead and method for electrode attachment |
WO2002042790A1 (en) * | 2000-11-24 | 2002-05-30 | Koninklijke Philips Electronics N.V. | Invasive device provided with a segmented electrical connection conductor |
US6496714B1 (en) * | 2001-07-20 | 2002-12-17 | Koninklijke Philips Electronics N.V. | RF-safe invasive device |
CA2487140C (en) * | 2002-05-29 | 2011-09-20 | Surgi-Vision, Inc. | Magnetic resonance probes |
GB2397231A (en) | 2003-01-18 | 2004-07-21 | Ep Advance Ltd | Feeding tube or catheter having internal conductors connected to external moulded annular electrodes |
AU2003901390A0 (en) | 2003-03-26 | 2003-04-10 | University Of Technology, Sydney | Microwave antenna for cardiac ablation |
US7758520B2 (en) * | 2003-05-27 | 2010-07-20 | Boston Scientific Scimed, Inc. | Medical device having segmented construction |
EP1763679A1 (en) | 2004-06-28 | 2007-03-21 | Koninklijke Philips Electronics N.V. | Transmission line for use in rf fields |
US20060142652A1 (en) | 2004-12-28 | 2006-06-29 | Erick Keenan | Concepts using the improved "composite flexible and conductive catheter electrode bands" and their method of construction |
US7660625B2 (en) | 2005-05-12 | 2010-02-09 | Tyco Electronics Corporation | Catheter with compactly terminated electronic component |
EP2049911B1 (en) * | 2006-08-02 | 2018-09-12 | Koninklijke Philips N.V. | Transmission path for use in rf fields providing reduced rf heating |
-
2008
- 2008-06-27 US US12/665,947 patent/US8847072B2/en not_active Expired - Fee Related
- 2008-06-27 CN CN200880022539.XA patent/CN101688905B/zh not_active Expired - Fee Related
- 2008-06-27 DE DE602008003929T patent/DE602008003929D1/de active Active
- 2008-06-27 WO PCT/IB2008/052589 patent/WO2009004548A2/en active Application Filing
- 2008-06-27 AT AT08776543T patent/ATE491160T1/de not_active IP Right Cessation
- 2008-06-27 JP JP2010514214A patent/JP5357146B2/ja not_active Expired - Fee Related
- 2008-06-27 EP EP08776543A patent/EP2162755B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
US8847072B2 (en) | 2014-09-30 |
CN101688905B (zh) | 2014-01-22 |
US20100181109A1 (en) | 2010-07-22 |
WO2009004548A3 (en) | 2009-04-09 |
EP2162755A2 (en) | 2010-03-17 |
DE602008003929D1 (de) | 2011-01-20 |
JP2010531706A (ja) | 2010-09-30 |
WO2009004548A2 (en) | 2009-01-08 |
ATE491160T1 (de) | 2010-12-15 |
CN101688905A (zh) | 2010-03-31 |
EP2162755B1 (en) | 2010-12-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5357146B2 (ja) | 高周波磁場又は電場において使用する伝送ケーブル | |
KR102110472B1 (ko) | 양극 소작 기구 | |
Zhang et al. | A method for simultaneous RF ablation and MRI | |
EP2554131B1 (en) | Treatment tool for endoscope | |
US8175679B2 (en) | Catheter electrode that can simultaneously emit electrical energy and facilitate visualization by magnetic resonance imaging | |
CN102711648B (zh) | 具有跟踪传感器的射频消融*** | |
US8339256B2 (en) | Radiofrequency safety of switchable segmented transmission lines | |
US20140034377A1 (en) | Thin-sleeve apparatus for reducing rf coupling of devices in mri environments | |
AU2006212868A1 (en) | Apparatus and method for locating defects in bone tissue | |
JP2022529418A (ja) | 電気インピーダンス断層撮影装置及び方法 | |
US20090256574A1 (en) | Transmission path for use in rf fields providing reduced rf heating | |
CN113384306B (zh) | 双极电处理装置 | |
JP2015508311A (ja) | 心電計センサーマット | |
Alipour et al. | MRI conditional actively tracked metallic electrophysiology catheters and guidewires with miniature tethered radio-frequency traps: theory, design, and validation | |
CN102271579A (zh) | 用于有源装置的通用感应手柄 | |
JP2013505051A (ja) | 除細動電極用の開口部若しくは除細動ケーブル用のコネクタを持つ心臓用コイルを備えるmriシステム | |
JP4327095B2 (ja) | 高周波応用装置 | |
KR20200076977A (ko) | 핸드 피스, rf 치료 장치 및 rf 치료 장치의 제어 방법 | |
US11992257B2 (en) | Energized surgical instrument system with multi-generator output monitoring | |
JP2016002410A (ja) | 鉗子装置および手術システム | |
KR101825279B1 (ko) | 자기 공명 영상 진단기와 호환성을 갖는 전극 회로 | |
JP2020163001A (ja) | 内視鏡用マイクロ波照射器具 | |
Bell et al. | Active delivery cable tuned to device deployment state: enhanced visibility of nitinol occluders during preclinical interventional MRI | |
US20200383599A1 (en) | Basket-type ep catheter with electrode polling for sequential electrode sampling | |
WO2024172915A1 (en) | Deflection feedback assemblies for catheters and sheaths |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110623 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130611 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130618 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130801 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130829 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5357146 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |