BS ISO 21064:2017 pdf free.Prosthetics and orthotics – Foot orthotics – Uses, functions classification and description.
Foot orthotic devices may be used to achieve the following clinical objectives:
a) to relieve pain;
b) to promote balanced standing and walking;
c) to manage deformities which are:
1) reducible (flexible) (e.g. pes planus);
2) irreducible (ixed) (e.g fixed equinus);
d) to control joint instability (e.g ankle ligament insufficiency);
e) to compensate for abnormal limb length and/or foot length or shape;
f) to protect tssues (e.g. diabetic neuropathy and iflammatory arthropathy);
g) to promote healing (e.g. foot ulcer);
h) to stimulate motor-sensory feedback.
5 Functions
The function of the device may be:
a) for deformities:
1) to reduce or correct a deformity (ie. to move a reducible (flexible) deformity into an improved alignment and hold the correction obtained];
2) to hold a deformity (i.e. to prevent a fixed deformity from increasing);
b) to control the alignment of a joint;
c) to control the motion of a joint;
d) to compensate for abnormal limb length and/or foot shape and size;
e) to reduce or redistribute the load on the foot;
f) to apply increased pressure on a specific area(s) of the foot surface.
6 Classification and description of devices
6.1 Classification
Three classes of device are recognised:
a) foot orthoses;
b) orthotic footwear;
c) adaptations (modifications) to footwear.
6.2 Description of foot orthoses (used in conjunction with footwear)
Types of foot orthoses include:
a) heel raises;
b) heel cups/shells (which may be extended);
c)foot orthoses with:
1) flares;
2) supramalleolar extensions;
3) medial/longitudinal arch supports;
4) metatarsal supports;
5) stiffening;
6) cushioning;
7) toe supports, spacers and protectors;
8) medial and lateral wedges;
9) local pressure relief;
10) increased local pressure shaping;
11) toe extension shaping.
6.3 Description of orthotic footwear
6.3.1
Type of fabrication
Orthotic footwear can be:
a) prefabricated orthotic footwear;
b) custom fabricated orthotic footwear.
6.3.2 Prefabricated orthotic footwear
Types include footwear with:
a) extra width and/or depth;
b) protective toe caps (excluding industrial footwear);
c) stiffened soles;
d) rocker soles;
e) extended openings;
f ) easy closures;and footwear to
g) partially unload the foot;
h) accommodate vulnerable (at risk) feet.BS ISO 21064 pdf free download.
Tags: Prosthetics and orthotics
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