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|  DSH 431$ t* P, l: g7 d: F
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| Flexible shafts; c# V `! n4 C2 m8 I, v& S
| 17, 17c)
8 c: H0 R5 S; P: w1 r' a/ |* R | 60601-1(ed.2);am1;am2
8 {, O) T+ a& U8 w+ o/ F5 J- J |
9 Y6 w+ @4 \: jStandard(s)- (year and edition):
5 S I6 [+ N7 z$ F) CIEC 60601-1:1988 Ed.2 Am1+Am27 b& ~7 d: B3 a; D' o
Sub clause(s): 17, 17c)& u E0 ^) q: W7 C; Q
Sheet n°: DSH-431
% D# Q j2 L8 `7 _/ c6 ~Subject: Flexible shafts
% K- m! j* e9 x! ~9 X2 hKey words: Shaft, accessible, applied part3 t) `* M, ^- E& U& y- ]
Confirmed by CTL at its 39th meeting, in Cologne
/ T( S, c5 f: E3 h3 P3 I: OQuestion:
( c2 R* ]/ k4 S7 R* Z6 k& F4 T! M) QHand held flexible shafts driven APPLIED PARTS may have parts of the flexible shaft which9 Z3 C0 b( [1 I
are accessible and not connected to PROTECTIVE EARTH.' w! x/ X& j2 S% J0 f I
This particularly applies to the termination of the flexible shaft which is normally of metal for3 m3 H8 X% s" E. k0 ^, O
durability and strength.% u5 ]; D6 D& M* e( x; v
Decision:1 M4 F t9 e( s) v* B
Hand-held flexible shafts driving an APPLIED PART, e.g. Surgical or Dental drill, may be
1 V1 F3 Y* C9 H7 S/ lconsidered part of the APPLIED PART and therefore the requirements of Sub-clause 17c) will$ ]3 Y0 T, [5 n# r; D) c8 R
not apply to the ACCESSIBLE PARTS of that flexible shaft. 17d) shall apply* P, y" Z# ]6 U. P @( L0 V
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发表于 2012-11-5 10:25
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