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|  DSH 431
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1 A% ^- V. i# ]) S2 K | Flexible shafts: s" O! }/ G2 ~
| 17, 17c)
5 m7 g4 |9 b6 l6 ]7 C& P8 e | 60601-1(ed.2);am1;am2
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Standard(s)- (year and edition):
& v! K! @: Z( X1 Y5 z. |& oIEC 60601-1:1988 Ed.2 Am1+Am2( {0 t" t/ K7 m# n
Sub clause(s): 17, 17c)
! o$ r) G. c# N, E* r! rSheet n°: DSH-431
! j& y- p4 \4 [Subject: Flexible shafts
- e# q, I# z# y& cKey words: Shaft, accessible, applied part* x) N) D) [5 r- ?
Confirmed by CTL at its 39th meeting, in Cologne2 d$ L% g# e5 p* @/ f( u
Question:. V7 I$ [# }, {+ u9 r: s" R
Hand held flexible shafts driven APPLIED PARTS may have parts of the flexible shaft which
$ H3 q ^1 y. b' Aare accessible and not connected to PROTECTIVE EARTH. k5 s) k2 e+ W3 i# U5 L0 B
This particularly applies to the termination of the flexible shaft which is normally of metal for
: G- _# Z9 {0 B `durability and strength.
, |( @6 {& s3 ~! HDecision:
. I* O) ^' }0 q7 ^; L$ F4 U) iHand-held flexible shafts driving an APPLIED PART, e.g. Surgical or Dental drill, may be, T. s- i; Y h1 |# S$ t
considered part of the APPLIED PART and therefore the requirements of Sub-clause 17c) will. f" U) k. v9 x, {$ i, I0 s' w
not apply to the ACCESSIBLE PARTS of that flexible shaft. 17d) shall apply* E; o( H4 E! l! [% ^- A
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发表于 2012-11-5 10:25
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