The table that follows shows the suitable spring stiffness of the prosthetic
foot, matching the patient's body weight and the size of the prosthetic foot.
Body weight [kg]
Up to 55 (121 lbs)
56 to 75 (123 lbs to
165 lbs)
76 to 100 (167 lbs to
220 lbs)
101 to 125 (222 lbs to
275 lbs)
126 to 150 (277 lbs to
330 lbs)
2.3 Environmental conditions
1C60
Allowable environmental conditions
Temperature range for use: -10 °C to +60°C
Allowable relative humidity 0 % to 90 %, non-condensing
Unallowable environmental conditions
Mechanical vibrations or impacts
Perspiration, urine, fresh water, salt water, acids
Dust, sand, highly hygroscopic particles (e.g. talcum)
1C63, 1C64
Allowable environmental conditions
Temperature range: –10 °C to +45 °C (14 °F to 113 °F)
Chemicals/liquids: fresh water, salt water, perspiration, urine, soapsuds, chlorine
water
Moisture: Submersion: max. 1 h in 3 m depth, relative humidity: no restrictions
Solids: Dust, occasional contact with sand
Clean the product after contact with humidity/chemicals/solids, in order to
avoid increased wear and damage (see Page 21).
Unallowable environmental conditions
Solids: Highly hygroscopic particles (e.g. talcum), continuous contact with sand
Chemicals/liquids: Acids, continuous use in liquid media
Storage and transport
Temperature range –20 °C to +60 °C (–4 °F to +140 °F), relative humidity 20 % to
90 %, no mechanical vibrations or impacts
Spring stiffness
Prosthetic foot size [cm]
21
22
23
24
1
−
−
25
26
27
28
2
3
4
5
29
30
−
15