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Perform the soaking test for a total of four cycles.
# O) X; `: G, AImmediately after the last cycle, determine whether any liberated magnets or magnetic components fit entirely
! @' o$ c, y# G8 oin the cylinder when tested in accordance with 5.2 (small parts test).+ o3 b0 W6 v0 E$ d
Annex B Labelling
7 j/ @; [. X6 p8 x7 w7 jAdd the following clause:. U) b) G: t2 I: n3 E, Q& Y8 T+ r* C9 j
B.2.21 Magnetic/electrical experimental sets for children over 8 years
; I; [4 Q4 Y3 O8 M, o2 C) E/ MSee 4.30.1 and E.44)& ^# l. p) S8 H. g; T: V: m
The packaging and the instructions for use of magnetic/electrical experimental sets intended for children 8
s. B3 Q" H, o& S; p% o( p2 ?& K- hyears of age or older shall carry a statement comparable or similar to the following.' y- N- q$ y2 l, Q8 U2 o3 o
“WARNING! Not suitable for children under 8 years. This product contains (a) small magnet(s).0 _, J) s6 n3 P" j- Y) L( ?
Swallowed magnets can stick together across intestines causing serious infections and death. Seek' t4 U) F. A" r# S
immediate medical attention if magnet(s) are swallowed or inhaled.”* z/ N9 _$ s# B, n2 Z! `! P
Annex E Rationale; [6 D9 S, O$ Q1 ~
Add the following clause:+ q4 j9 {7 J: l
E.44 Magnets
9 w# }) `4 I0 a* y7 b% i8 x+ KSee 4.30.
% B' C! B. P, f8 CThese requirements are intended to address the hazards associated with ingestion of strong magnets (e.g.
) k, r" ~% m3 y/ r% ~% tneodymium iron boron type magnets (“NIB”)), that are capable of causing intestinal perforation or blockage.
7 @$ f" I5 E) o& SThese hazards are additional to those associated with small parts such as suffocation or asphyxiation (see8 Y0 S6 v8 _$ Z1 {; \
E.6). These requirements apply regardless of the age of the intended user.
3 ~# _4 K; e) M2 X$ VMagnets found by children can be ingested. If more than one magnet, or one magnet and a ferromagnetic! u# N2 I0 J0 Y: x! s
object (for example an iron or nickel object) is ingested, the objects can attract each other across intestinal9 h- a4 |7 I: C9 V1 ?
walls and cause perforation or blockage, which can cause severe injuries that may be fatal.% w0 s: s+ Y) R7 E" v8 Y) U: h
Multiple incidents, including at least one fatality, have been reported involving ingestion of magnets resulting* m q2 M2 i2 I4 h2 c* I& b# ]
in perforation or blockage of the intestines. These incidents have involved children younger and older than 30 N/ k9 V. x9 o+ H2 X% S2 D
years of age. Medical signs associated with intestinal perforation or blockage can easily be misinterpreted3 r6 G0 b+ v1 i/ Q- w# X0 q
since many children exhibit only flu-like symptoms. Such misinterpretations have caused delays in the medical' o& {; k0 t& y" f
treatment and led to serious consequences for children.
! q! t9 q% G9 f- ?* oFor the purpose of this standard, magnets or magnetic components that could be ingested are identified using
" Y; u. n# D/ R tthe small parts cylinder. The small parts cylinder was originally designed to identify small parts in toys
3 b6 `% e6 o7 E) v, ?1 p# ointended for children under 3 years of age, which are capable of causing suffocation or asphyxiation. It was' O: _$ `8 y, _
not designed for identifying objects that can be ingested by older children. The decision to use the small parts- T4 q; A. T% o/ n0 p
cylinder also for assessment of magnets or magnetic components that can be ingested was made for practical; S# E$ b; Z* n0 q i3 F! ~1 v
reasons: The cylinder is a well known test template and it provides a safety margin since the magnets and. n0 Z1 |) x; q% p9 I5 \, i9 U
magnetic components that have been involved in incidents all fit into the cylinder with a large margin. This* ~9 E* Z! B% \- \9 {6 C# u! T
same principle has been applied in the requirements for expanding materials.
% Z: ~+ P% b, L6 \2 Q# |The risk of magnets attracting each other across intestinal walls is a function of magnet strength. A limit value! f; x0 s4 |- C
in the form of a magnetic flux index has been introduced to define what a sufficiently weak magnet is. Analysis2 k+ J7 x: V* L1 F
of the data indicates that only the small, powerful NIB type magnets have been involved in the known
2 o/ x# X( |# K+ ?incidents. Further analysis has determined that magnets with a magnetic flux index less than 50 kG2mm2 (0,5
# j6 I7 y# Z H8 k k8 |/ Z0 R--`,`,``,,`,```,```,,````,,`,,`-`-`,,`,,`,`,,`--- |
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