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YY/T 0987.5-2016 English PDF (YY/T0987.5-2016)

YY/T 0987.5-2016 English PDF (YY/T0987.5-2016)

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YY/T 0987.5-2016: Implants for Surgery - Magnetic Resonance Compatibility - Part 5: Magnetically Induced Torque Test Method

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Scope

This Part of YY/T 0987 includes test method for magnetically induced torque generated
by medical devices as a result of static magnetic field in magnetic resonance
environment; a comparison of magnetically induced torque and medical devices’
gravity moment.
This Part does not involve other possible safety questions. These safety questions
include, but are not limited to, magnetically induced displacement force generated by
the spatial gradient of magnetic field, radio frequency heating and radio frequency
induced heating, noise, interaction among medical devices, functions of medical
devices and magnetic resonance system.
In this Part, torque refers to static magnetic torque generated by MRI static magnetic
field and implant’s magnetic moment. This Part does not include dynamic torque
generated by the rotation of medical device as a result of the interaction between the
static magnetic field and eddy current. Current in the wires might also generate torque.
The sensitivity of torque measurement device shall be more than 1/10 of gravity
moment; gravity moment equals the arithmetic product of the maximum linear size and
the weight of medical device.
This Part does not attempt to elaborate all the involved safety questions, even though
those safety questions are related with the usage. Determining appropriate safety and
health specifications and clarifying the applicability of management limit before
application is the responsibility on the users of this Standard.

Basic Data

Standard ID YY/T 0987.5-2016 (YY/T0987.5-2016)
Description (Translated English) Implants for Surgery - Magnetic Resonance Compatibility - Part 5: Magnetically Induced Torque Test Method
Sector / Industry Medical Device and Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard C35
Classification of International Standard 11.040.40
Word Count Estimation 12,112
Date of Issue 2016-03-23
Date of Implementation 2017-01-01
Regulation (derived from) Notice of the General Administration of Food and Drug Administration (No. 74 of 2016)
Issuing agency(ies) State Food and Drug Administration


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