[go: nahoru, domu]

Martin et al., 2009 - Google Patents

MR imaging during endovascular procedures: an evaluation of the potential for catheter heating

Martin et al., 2009

View PDF @Full View
Document ID
12966912339877060571
Author
Martin A
Baek B
Acevedo‐Bolton G
Higashida R
Comstock J
Saloner D
Publication year
Publication venue
Magnetic Resonance in Medicine: An Official Journal of the International Society for Magnetic Resonance in Medicine

External Links

Snippet

MRI in catheterized patients is considered unsafe due to the potential for focal heating. This concern arises from the continuous metallic braid that is incorporated into catheters to provide their desired physical properties. The potential for catheter heating during MR …
Continue reading at onlinelibrary.wiley.com (PDF) (other versions)

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves involving electronic or nuclear magnetic resonance, e.g. magnetic resonance imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/288Provisions 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/02Details
    • A61N1/08Arrangements or circuits for monitoring, protecting, controlling or indicating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/41Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/48Other medical applications
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets

Similar Documents

Publication Publication Date Title
Nordbeck et al. Measuring RF‐induced currents inside implants: impact of device configuration on MRI safety of cardiac pacemaker leads
Panych et al. The physics of MRI safety
Golestanirad et al. Changes in the specific absorption rate (SAR) of radiofrequency energy in patients with retained cardiac leads during MRI at 1.5 T and 3T
Baker et al. Evaluation of specific absorption rate as a dosimeter of MRI‐related implant heating
Shellock Magnetic resonance safety update 2002: implants and devices
Langman et al. Pacemaker lead tip heating in abandoned and pacemaker‐attached leads at 1.5 Tesla MRI
Cabot et al. Evaluation of the RF heating of a generic deep brain stimulator exposed in 1.5 T magnetic resonance scanners
Park et al. Gelled versus nongelled phantom material for measurement of MRI-induced temperature increases with bioimplants
Finelli et al. MR imaging-related heating of deep brain stimulation electrodes: in vitro study
Tronnier et al. Magnetic resonance imaging with implanted neurostimulators: an in vitro and in vivo study
Baker et al. Reduction of magnetic resonance imaging-related heating in deep brain stimulation leads using a lead management device
Mattei et al. Impact of capped and uncapped abandoned leads on the heating of an MR‐conditional pacemaker implant
Nordbeck et al. Spatial distribution of RF‐induced E‐fields and implant heating in MRI
Baker et al. Variability in RF‐induced heating of a deep brain stimulation implant across MR systems
Eryaman et al. Reduction of the radiofrequency heating of metallic devices using a dual‐drive birdcage coil
Nordbeck et al. Impact of imaging landmark on the risk of MRI‐related heating near implanted medical devices like cardiac pacemaker leads
Prasad et al. Safety of cardiovascular magnetic resonance in patients with cardiovascular implants and devices
Wezel et al. Assessing the MR compatibility of dental retainer wires at 7 Tesla
Kraff et al. MR safety assessment of potential RF heating from cranial fixation plates at 7 T
Nitz et al. Specific absorption rate as a poor indicator of magnetic resonance-related implant heating
Wang et al. Magnetic resonance conditionality of abandoned leads from active implantable medical devices at 1.5 T
Greatbatch et al. Magnetic resonance safety testing of a newly‐developed fiber‐optic cardiac pacing lead
Shellock et al. Detachable coil for cerebral aneurysms: in vitro evaluation of magnetic field interactions, heating, and artifacts at 3T
Quirouet et al. Sacral neuromodulation device heating during lumbar and pelvic magnetic resonance imaging—a phantom study
Bhidayasiri et al. Bilateral neurostimulation systems used for deep brain stimulation: in vitro study of MRI-related heating at 1.5 T and implications for clinical imaging of the brain