ASTM F2182 PDF

ASTM F – 11a Standard Test Method for Measurement of Radio Frequency Induced Heating On or Near Passive Implants During Magnetic Resonance. ASTM Fa. Standard Test Method for Measurement of Radio Frequency Induced Heating On or Near Passive Implants During Magnetic. ◇ASTM Fa for Measurement of. Measurement of Radio Frequency Induced. Heating Near Passive Implants During MRI. ◇ASTM.

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While the focus in this test method is on 1. Historical Version s – view previous versions of standard. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For other implantation conditions for example, external fixation devices, percutaneous needles, catheters or tethered ashm such as ablation probes astk, modifications of this test method are necessary.

Other safety issues that should be addressed include magnetically induced displacement force and torque.

ASTM F2182 – 11a

This test method describes a test procedure for evaluating the RF-induced temperature rise associated with an MR procedure involving a specific frequency of RF irradiation of an implant. The heating measurements are made twice, once with the implant and then repeated at the same location without asstm implant. No other units of measurement are included in this standard.

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These two measurements estimate the local SAR and the local additional temperature rise with the implant. Active view current version f21882 standard.

No other units of measurement are included in this standard. The combination of the test results and the computational model results may then be used to help assess the safety of a patient with the implant during an MR scan.

Link to Active This link will always route to the current Active version of the standard. Other safety issues that should be addressed include magnetically induced displacement force and torque, as well as proper device function while in various configurations in the MR environment.

For other implantation conditions for example, external fixation devices, percutaneous needles, 2f182 or tethered devices such as ablation probesmodifications of this test method are necessary. Work Item s – proposed revisions of this standard. The RF coil is assumed to have quadrature excitation.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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The results may be used as an input to a asstm model for estimating temperature rise due to the presence of that implant in a patient. Because of possible additional heating, particularly when implant dimensions approaches or exceeds one quarter of the wavelength of the RF field inside the phantom, conclusions from measurements made at one static magnetic field 2f182 do not apply to other field strengths and frequencies.

The RF coil is assumed to have quadrature excitation. Link to Active This link will always route to the current Active version of the standard.

ASTM International – Standard References for ASTM F – 11a

While the focus in this test method is on 1. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Work Item s – proposed revisions of this standard.