Otto Bock 4R76 Instructions For Use Manual page 6

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1.1 Construction and Function
The 4R76, 4R78 double adapters are used to connect two pyramid
receivers. The adapters allow for different adjustments due to the
shape of the support surfaces.
Reference Adjustments
number
4R76 Horizontal shifting on the flat side, angle adjust­
ment on the rounded side
4R78 Angle adjustment on both sides
1.2 Combination possibilities
This prosthetic component is compatible with Ottobock's system of
modular connectors. Functionality with components of other manufac­
turers that have compatible modular connectors has not been tested.
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)
6
Allowable environmental conditions
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 Lifetime
This product was tested by the manufacturer with 3 million load
cycles. Depending on the user's activity level, this corresponds to a
maximum lifetime 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!
Risk of injury and risk of product damage
► Note the combination possibilities/combination exclusions in the
instructions for use of the products.
► Comply with the product's field of application and do not expose
it to excessive strain (see page 6).
► Observe the maximum lifetime of the product.
► To prevent mechanical damage, use caution when working with
the product.