Appendix1 Terminology
A1
Appendix
(excerpt from IEC 60601-1:2005 3rd)
Appendix
Appendix1 Terminology
Equipment part
TYPE B APPLIED
PART
APPLIED PART complying with the specified requirements of this stan-
dard to provide protection against electric shock, particularly regarding
allowable PATIENT LEAKAGE CURRENT and PATIENT AUXILIARY
CURRENT.
TYPE BF APPLIED
PART
F-TYPE APPLIED PART complying with the specified requirements of
this standard to provide a higher degree of protection against electric
shock than that provided by TYPE B APPLIED PARTS.
NOTE:TYPE BF APPLIED PARTS are not suitable for DIRECT CAR-
DIAC APPLICATION.
TYPE CF APPLIED
PART
F-TYPE APPLIED PART complying with the specified requirements of
this standard to provide a higher degree of protection against electric
shock than that provided by TYPE BF APPLIED PARTS.
F-TYPE ISOLATED
APPLIED PART
F-TYPE ISOLATED (FLOATING) APPLIED PART (herein F-TYPE
APPLIED PART) in which the PATIENT CONNECTIONS are isolated
from other parts of the ME EQUIPMENT to such a degree that no cur-
rent higher than the allowable PATIENT LEAKAGE CURRENT flows if
an unintended voltage originating from an external source is connected
to the PATIENT, and thereby applied between the PATIENT CONNEC-
TION and earth.
NOTE:F-TYPE APPLIED PARTS are either TYPE BF APPLIED PARTS
or TYPE CF APPLIED PARTS.
ACCESSIBLE PART
part of electrical equipment other than an APPLIED PART that can be
touched by means of the standard test finger.
APPLIED PART
part of ME EQUIPMENT that in NORMAL USE necessarily comes into
physical contact with the PATIENT for ME EQUIPMENT or an ME SYS-
TEM to perform its function
.
SIGNAL INPUT/OUT-
PUT PART(SIP/SOP)
part of ME EQUIPMENT, not being an APPLIED PART, intended to
deliver or receive signals to or from other electrical equipment, for
example, for display, recording or data processing.
PATIENT
CONNECTION
individual point on the APPLIED PART through which current can flow
between the PATIENT and the ME EQUIPMENT in NORMAL CONDI-
TION or SINGLE FAULT CONDITION
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