Otto Bock 1S49 SACH, Instructions For Use Manual, Page: 10 / 144

1.1 Construction and Function
The 1S49, 1S66, 1S67 and 1S90 SACH (Solid Ankle Cushion Heel)
prosthetic feet are suitable for use in both modular prostheses and
exoskeletal prostheses. The functional properties are achieved
through the combination of a contoured core and functional foam.
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.
Allowable ankle blocks and screw connections
Foot size [cm] Reference number (ankle block and screw
connection)
24 to 30 2K34=30 and 2Z22=M10
Permissible foot adapters
Prosthetic
foot
Size [cm] Body weight
[kg]
Permissible foot
adapter
22 to 25 2R8=M8, 2R31=M8,
2R54=M8
26
≤100
2R8=M10,
2R31=M10,
2R54=M10
1S67
26 101 to 125 2R8=M10,
2R31=M10
21 to 30 ≤100 2R8=M10,
2R31=M10,
2R54=M10
1S49, 1S66,
1S90
26 to 30 101 to 125 2R8=M10,
2R31=M10
10
2 Intended use
2.1 Indications for use
The product is intended exclusively for lower limb exoprosthetic fit­
tings.
2.2 Area of application
Our components perform optimally when paired with appropriate
components based upon weight and mobility grades identifiable by
our MOBIS classification information and which have appropriate
modular connectors.
m°
kg
The product is recommended for mobility grade 1 (indoor
walker) and mobility grade 2 (restricted outdoor walker).
• The maximum approved body weight is specified in the technical
data (see Page 14).
2.3 Environmental conditions
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)
Other environmental conditions
UV light
Not resistant
Hydrolysis Not resistant
2.4 Service life
This product has been tested by the manufacturer with 2 million load
cycles. Depending on the patient's activity level, this corresponds to a
service life of 2 to 3 years.