JP4921972B2 - 医療装置のmri可視化のためのrfマーカ - Google Patents
医療装置のmri可視化のためのrfマーカ Download PDFInfo
- Publication number
- JP4921972B2 JP4921972B2 JP2006535375A JP2006535375A JP4921972B2 JP 4921972 B2 JP4921972 B2 JP 4921972B2 JP 2006535375 A JP2006535375 A JP 2006535375A JP 2006535375 A JP2006535375 A JP 2006535375A JP 4921972 B2 JP4921972 B2 JP 4921972B2
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- Prior art keywords
- stent
- marker
- cell
- tubular structure
- loop
- 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
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Classifications
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- 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
- G01R33/286—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR involving passive visualization of interventional instruments, i.e. making the instrument visible as part of the normal MR process
-
- 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
- A61F2/0077—Special surfaces of prostheses, e.g. for improving ingrowth
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
-
- 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
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/91533—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
-
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91558—Adjacent bands being connected to each other connected peak to peak
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0054—V-shaped
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0043—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in electric properties, e.g. in electrical conductivity, in galvanic properties
- A61F2250/0045—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in electric properties, e.g. in electrical conductivity, in galvanic properties differing in electromagnetical properties
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
さらに別の実施形態において、RFマーカは、多重巻き線のコイルから成る。
さらなる別の実施形態において、FFマーカは、互いに直交する配向に設置される多重ループから成る。
引起される。
Claims (11)
- 磁気共鳴映像法(MRI)による画像化において、実質的に画像化されない非金属材料で、ほぼ管状の構造体が形成されており、前記管状構造体は、第1のセルと、この第1のセルと間隔を隔てた第2のセルとを有し、前記第1のセルと前記第2のセルは異なる方向に向いており、
更に、第1のセルの外周と第2のセルの外周に沿って、前記非金属材料の外面にループを形成した高周波(RF)マーカを有するステント。 - 前記RFマーカは、MRI装置の変化する電磁場の影響下でRFエネルギを放出するように構成され、前記RFエネルギは、MRIによる画像化で目に見える表示を発生する、請求項1に記載のステント。
- 前記RFマーカは、導電性材料のループを具備する、請求項2に記載のステント。
- 前記ループは、前記ほぼ管状の構造体の開口部の周囲に配置される、請求項3に記載のステント。
- 前記開口部は、前記ほぼ管状の構造体の一部分により形成されるステント・セルを具備する、請求項4に記載のステント。
- 前記開口部は、前記ほぼ管状の構造体の周縁の傍に形成される、請求項4に記載のステント。
- 前記RFマーカは、導電性材料の多重ループ状巻き線を具備する、請求項2に記載のステント。
- 異なる方向に加えられる磁場下で前記RFエネルギを発生させるために、前記多重ループの少なくとも二つは互いに対して配向される、請求項7に記載のステント。
- 前記多重ループ状巻き線は、前記ほぼ管状の構造体内に埋設される、請求項8に記載のステント。
- 前記ほぼ管状の構造体は、コネクタにより連結される支柱を具備し、また前記多重ループ状巻き線は、支柱内に埋設される、請求項9に記載のステント。
- 前記ほぼ管状の構造体は、コネクタにより連結される支柱を具備し、また前記多重ループ状巻き線は、コネクタ内に埋設される、請求項9に記載のステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/686,138 US20050085895A1 (en) | 2003-10-15 | 2003-10-15 | RF-based markers for MRI visualization of medical devices |
US10/686,138 | 2003-10-15 | ||
PCT/US2004/034214 WO2005037143A1 (en) | 2003-10-15 | 2004-10-15 | Rf-based markers for mri visualization of medical devices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007508864A JP2007508864A (ja) | 2007-04-12 |
JP4921972B2 true JP4921972B2 (ja) | 2012-04-25 |
Family
ID=34465484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006535375A Expired - Fee Related JP4921972B2 (ja) | 2003-10-15 | 2004-10-15 | 医療装置のmri可視化のためのrfマーカ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050085895A1 (ja) |
EP (1) | EP1675529A1 (ja) |
JP (1) | JP4921972B2 (ja) |
CA (1) | CA2540954A1 (ja) |
WO (1) | WO2005037143A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050038497A1 (en) * | 2003-08-11 | 2005-02-17 | Scimed Life Systems, Inc. | Deformation medical device without material deformation |
WO2006020377A2 (en) * | 2004-07-23 | 2006-02-23 | Calypso Medical Technologies, Inc. | Anchoring wireless markers within a human body |
US20060094923A1 (en) * | 2004-10-01 | 2006-05-04 | Calypso Medical Technologies, Inc. | Systems and methods for treating a patient using radiation therapy |
US8066759B2 (en) * | 2005-02-04 | 2011-11-29 | Boston Scientific Scimed, Inc. | Resonator for medical device |
US7595469B2 (en) * | 2005-05-24 | 2009-09-29 | Boston Scientific Scimed, Inc. | Resonator for medical device |
US7279664B2 (en) * | 2005-07-26 | 2007-10-09 | Boston Scientific Scimed, Inc. | Resonator for medical device |
US7304277B2 (en) * | 2005-08-23 | 2007-12-04 | Boston Scientific Scimed, Inc | Resonator with adjustable capacitor for medical device |
US7524282B2 (en) * | 2005-08-29 | 2009-04-28 | Boston Scientific Scimed, Inc. | Cardiac sleeve apparatus, system and method of use |
DE102005044009A1 (de) * | 2005-09-14 | 2007-03-22 | Biophan Europe Gmbh | Biologische oder künstliche Klappenprothese zur Verwendung im menschlichen und/oder tierischen Körper zum Einsatz einer Organklappe oder Gefäßklappe |
US7423496B2 (en) * | 2005-11-09 | 2008-09-09 | Boston Scientific Scimed, Inc. | Resonator with adjustable capacitance for medical device |
WO2007061890A2 (en) | 2005-11-17 | 2007-05-31 | Calypso Medical Technologies, Inc. | Apparatus and methods for using an electromagnetic transponder in orthopedic procedures |
US8457712B2 (en) | 2005-12-30 | 2013-06-04 | Wisconsin Alumni Research Foundation | Multi-mode medical device system and methods of manufacturing and using same |
US20070156042A1 (en) * | 2005-12-30 | 2007-07-05 | Orhan Unal | Medical device system and method for tracking and visualizing a medical device system under MR guidance |
US7559137B2 (en) * | 2006-07-17 | 2009-07-14 | Potomac Photonics, Inc. | Method for providing electrically conductive paths in polymer tubing |
US8532742B2 (en) | 2006-11-15 | 2013-09-10 | Wisconsin Alumni Research Foundation | System and method for simultaneous 3DPR device tracking and imaging under MR-guidance for therapeutic endovascular interventions |
US20080208039A1 (en) | 2007-02-28 | 2008-08-28 | Wisconsin Alumni Research Foundation | System and method of performing therapeutic endovascular interventions |
US7931832B2 (en) * | 2008-03-31 | 2011-04-26 | Johnson & Johnson Vision Care, Inc. | Ophthalmic lens media insert |
US9943704B1 (en) | 2009-01-21 | 2018-04-17 | Varian Medical Systems, Inc. | Method and system for fiducials contained in removable device for radiation therapy |
US20150182359A1 (en) * | 2013-12-30 | 2015-07-02 | Stryker Corporation | Stent and method of use |
EP2992925B1 (en) * | 2014-09-04 | 2022-09-07 | BIOTRONIK SE & Co. KG | Intravascular electrode lead and intravascular stimulation device including the same |
WO2020114871A1 (en) * | 2018-12-06 | 2020-06-11 | Universiteit Gent | Method for integrating an electronic circuit in or on a stent |
WO2021154186A1 (en) * | 2020-01-28 | 2021-08-05 | Bogazici Universitesi | A system which facilitates determination of the position of a biopsy needle under magnetic resonance imaging |
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US6896696B2 (en) * | 1998-11-20 | 2005-05-24 | Scimed Life Systems, Inc. | Flexible and expandable stent |
CA2171896C (en) * | 1995-03-17 | 2007-05-15 | Scott C. Anderson | Multi-anchor stent |
US5699801A (en) * | 1995-06-01 | 1997-12-23 | The Johns Hopkins University | Method of internal magnetic resonance imaging and spectroscopic analysis and associated apparatus |
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-
2003
- 2003-10-15 US US10/686,138 patent/US20050085895A1/en not_active Abandoned
-
2004
- 2004-10-15 EP EP04795387A patent/EP1675529A1/en not_active Withdrawn
- 2004-10-15 CA CA002540954A patent/CA2540954A1/en not_active Abandoned
- 2004-10-15 JP JP2006535375A patent/JP4921972B2/ja not_active Expired - Fee Related
- 2004-10-15 WO PCT/US2004/034214 patent/WO2005037143A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005037143A1 (en) | 2005-04-28 |
JP2007508864A (ja) | 2007-04-12 |
US20050085895A1 (en) | 2005-04-21 |
CA2540954A1 (en) | 2005-04-28 |
EP1675529A1 (en) | 2006-07-05 |
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