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GB9706.1-2007正式版哪有下的啊$ e$ ?% C$ h! ~, _# S7 s
ITE Power Supplies and Medical Equipment
/ t- ~7 |$ e( q! P rThere are potential pitfalls in using ITE power supplies in medical devices. Knowing applicable standards will help you avoid mistakes.
* i: k! N, @% _+ |# O2 a P( l0 I8 hFrank O'Brien; R; d# L* C ?
A large OEM power-supply industry has sprung up to meet the voracious appetite of the information technology equipment (ITE) market for global, high-volume, reliable, cost-effective power supplies. These OEM power supplies are a tempting option for medical equipment manufacturers as well. However, medical equipment regulatory requirements must also be met—a crucial design factor that demands caution when one considers an off-the-shelf ITE power supply for a new device. . a2 ^1 B( H2 ^7 `/ w0 P4 d& l% L; B9 x
In general, ITE and medical equipment share connections to supply mains and the provision for input/output data connections. In both cases, it's anticipated that users or operators will have access to equipment surfaces, and sometimes to data circuits. The primary hazard associated with this type of access is electrical shock. The power supply plays a fundamental role in protecting against this |
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