4400-0024 enFlow Operator’s Manual EN Rev. T 05/12  Page 3 of 26
     
 
 
Symbols Used on the Equipment 
The following symbols may be viewed on the any of the products or accessories that comprise the enFlow IV 
Fluid/Blood Warming System. 
Not made with natural rubber latex 
National Stock No. (US Military) 
Single Use Only; Do Not Re-Use 
Sterilized Using Irradiation 
Type BF applied part, defibrillation-proof 
Do Not Use if Package is Damaged.  
This symbol indicates that additional information is 
being provided. 
Effect or action in both directions away from reference 
point. (Open) 
Storage  Temperature Range 
Effect or action in both directions towards a reference 
point. (Close) 
Di(2-ethylhexyl) phthalate Free 
In transport applications it is advised to cushion and 
insulate the Warmer from the patient’s skin and apply 
the Warmer as loosely as acceptable checking regularly 
for signs of potential pressure related injury. 
Degree of protection provided by enclosure, dust tight, 
temporary water immersion 
Degree of protection provided by 
enclosure, no ingress of object > 12.5 
mm diameter, protected against 
dripping water 
Degree of protection provided by enclosure, dust tight, 
continuous water immersion 
Caution:  U.S. Federal law restricts this 
device to sale by or on the order of a 
physician. 
TUV Rheinland of North America, Inc. is accredited by 
OSHA as a NRTL, as well as by the Standards Council of 
Canada. This mark indicates that the product has been 
tested to UL 60601-1:2003 R6.03, CAN/CSA-C22.2 No. 
601.1-M90, IEC 60601-1-1:2000, and IEC 60601-1-
4:2000. 
 
 
 
 
Consult Instructions for Use 
Do not encase the Warmer with any external coverings 
like: towels, sheets, blankets or drapes. Covering the 
Warmer restricts the natural convection of heat.