Otto Bock 4R76 Instructions For Use Manual page 7

2 Intended use
2.1 Indications for use
The product is intended exclusively for lower limb exoprosthetic fit­
tings.
2.2 Area of application
Approved for a body weight of up to 150 kg.
2.3 Environmental conditions
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
Allowable environmental conditions
Temperature range: –10 °C to +45 °C
Moisture: relative humidity: 20% to 90%, non-condensing
Chemicals/liquids: fresh water as dripping water, occasional con­
tact with salty air (e.g. near the ocean)
Solids: dust
Prohibited environmental conditions
Chemicals/moisture: salt water, perspiration, urine, acids,
soapsuds, chlorine water
Solids: dust in high concentrations (e.g. construction site), sand,
highly hygroscopic particles (e.g. talcum)
2.4 Service life
In general, all modular adapters are tested by the manufacturer for
3 million load cycles. Depending on the user's activity level, this cor­
responds to a maximum service life of 5 years.
3 Safety
3.1 Explanation of warning symbols
Warning regarding possible risks of accident or
CAUTION
injury.
Warning regarding possible technical damage.
NOTICE
3.2 General safety instructions
CAUTION
Unallowable combination of prosthetic components
Risk of injury due to breakage or deformation of the product
► Only combine the product with prosthetic components that are
approved for that purpose.
► Based on the instructions for use of the prosthetic components,
verify that they may be combined with each other.
CAUTION
Excessive strain on the product
Risk of injury due to breakage of load-bearing components
► Use the product according to the specified area of application
(see Page 7).
CAUTION
Exceeding the service life
Risk of injury due to change in or loss of functionality and damage to
the product
► Ensure that the approved service life is not exceeded.
CAUTION
Mechanical damage to the product
Risk of injury due to change in or loss of functionality
► Use caution when working with the product.
► If the product is damaged, check it for proper function and readi­
ness for use.
► In case of changes in or loss of functionality, do not continue
using the product (see "Signs of changes in or loss of functional­
ity during use" in this section).
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