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发表于 2016-1-15 09:49
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emailsimon 发表于 2016-1-15 08:58 9 W3 c6 E. m% e2 N
比如监护仪的ECG lead的电极认为是patient connection, 但是电极裸露的导电部件还是可以接触到SIP/SOP, en ... 4 h" C o9 U7 g
8.5.2.3 是指远离病人的connector的要求,非patient connection.5 U( |, u% _9 @. I, `5 }
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但是2-27 and 2-49 给出了一下要求:
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201.8.5.2.3 * PATIENT leads
1 \7 m. m* Y2 S3 e# d$ D0 dAddition:
; V* g. k) ] F- M: D' b$ t/ `Any detachable ELECTRODE connector of a LEAD WIRE shall, when separated from the7 r) K; p. s" G
ELECTRODE, have an air clearance between connector pins and a flat surface of at least
7 B; ^) ^3 Q7 Y2 p; K! A# e0,5 mm.
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201.8.5.2.3 * PATIENT leads
8 E- A; R, i( I+ k. M' s% e9 TAddition:
, V8 Z' r7 e. {0 I7 w, SAny connector for electrical connections on a PATIENT lead that is at the end of the lead
0 y* d, { O8 g. R& f$ \remote from the ME EQUIPMENT shall be so constructed that said part cannot be connected to* ?( r' A$ ^* T) V! M' d
earth or possible hazardous voltage while other PATIENT CONNECTIONS of the same
% q. I! C1 _* _/ }SINGLE FUNCTION or of MULTIPLE FUNCTIONS on the same APPLIED PART contact the PATIENT. For
: Z* [) @2 i. w8 r8 C& r# rAPPLIED PARTS having multiple PATIENT CONNECTIONS any connector in a lead having electrical, M% t, g' N% v3 W' d T
connections to ME EQUIPMENT shall comply with one of the following requirements:
, ^2 _9 R# n7 J4 M G- j6 o8 h# Q# \– the air clearance between connector pins and a flat surface shall be at least 0,5 mm; or; h; L7 X) d% |% F
– ME EQUIPMENT shall pass the limits of the total PATIENT LEAKAGE CURRENT caused by an
1 U N/ W- X6 @% M) l- Cexternal voltage on the PATIENT CONNECTIONS (see 8.7 and Table 4 of the general) q4 e; x6 f F
standard) when measured between different SINGLE FUNCTIONS (see Figure CC.3).
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我觉得60601-1部分的说法是存在一定的bug,但是在专标里面,根据产品的实际使用情况,又把这个bug给补上了。 |
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