Q1: TT Socket Designs Flashcards
1
Q
Suspension
A
holds the prosthesis on the residual limb
2
Q
Interface
A
- contacts skin
- Materials used between limb and socket
3
Q
Socket
A
contains, supports, and protects the residual limb
4
Q
Shank/construction
A
maintains spatial relationship between socket and foot
5
Q
Protective Covering
pr
A
provides protection of components from environmental elements; often custom shaped
6
Q
Foot/ankle/other
A
transfers and absorbs ground reaction forces
7
Q
Socket Functions
A
- serve as rigid attachment to distal components
- facilitate energy/force transfer between the patient and the ground
- protect residual limb from damaging pressures and impact forces
8
Q
TRUE OR FALSE
Increasing the support area decreases pressure on skin
A
TRUE
9
Q
Open ended socket design
A
- no distal end contact
- combined with joint and corset to provide weight bearing and suspension
10
Q
Verrucous Hyperplasia
A
Progression:
1. Edema
2. Verrucous hyperplasia
3. cancer risk if left untreated
11
Q
Why was distal limb contact introduced
A
- to reduce factors that led to excessive edema and verrucous hyperplasia
12
Q
PTB Socket Design Loading Principles
A
- Total contact
- Specific weight bearing
- anterior-posterior compression with high posterior brim
13
Q
PTB-SC Varient
A
- supracondylar
- indications: anatomical (supracondylar) suspension; ML knee joint stability
14
Q
PTB-SCSP Varient
A
- supracondylar-suprapatellar
- high trim line over patella
- quadriceps bar
- limits knee hyperextension in late stance phase
15
Q
What is an indication fot PTB-SC design
A
- short residual limbs
- ligamentous laxity (ML instability)
