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Prosthetics and Orthotics > final components > Flashcards

final components Flashcards

1
Q

artificial replacement of body part

A

prosthesis

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2
Q

time periods of prosthesis

A

temporary (within year)

definitive

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3
Q

What are the components of transtibial and transferal prostheses

A

shank/pylon
socket
suspension

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4
Q

Description of K0-

A 
K0: Non ambulatory
K1:Limited household ambulation
K2:Limited community ambulation
K3:independent community/leisure ambulation
K4: High level activity.
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5
Q

Conventional feet are

A

not very mobile K0-1

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6
Q

3 kinds of conventional feet

A

SACH foot
SAFE Foot
Single axis

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7
Q

long lever=

short lever=

A

less stability more energy return

More stability less energy return

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8
Q

What are some dynamic response feet?

A 
non-articulated short/long lever
articulated long keel
polycentric
hydraulic ankle
torsion absorbtion
running
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9
Q

What is the purpose of a split keel?

A

reaction to different surfaces

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10
Q

Hydraulics controls

A

PF from initial contact thru LR

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11
Q

How is energy stored in hydraulic ankle?

A

when pylon DF over foot during stance

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12
Q

What does torsional absorbtion foot do?

whats this good for?

A

translates rotational force through foot

golf softball

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13
Q

pylons can be

A

endoskeletal

exoskeletal

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14
Q

Characteristics of pylon

A

transfer weight
Shockabsorber
can add rotator
restore length

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15
Q

Characteristics of socket

A

provide total contact
Counter-pressure for venous control
sensory feedback

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16
Q

Materials and methods of making socket

A

Casting vs CAD-CAM

Thermoset (resin)vs thermoplastic.

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17
Q

What are WB areas of patellar tendon bearing prosthesis??

A

patellar tendon
Gastroc
Pretibial muscles
Tibia& fibular shaft.

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18
Q

Most sockets for transtibial used with

what does it do

A

silicone liner

provides cushion

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19
Q

Where is there pressure in socket for transfemoral?

A

ischial tub
glutes
Ramus
side of thigh

20
Q

Where should u avoid pressure for transferal Prosthesis

A

pubic symphysis
perineum
adductor longus tendon

21
Q

Transferal prosthesis set in

A 
slight flexion (5 deg)
and adduction (7 deg)
22
Q

Quadrilateral transferal socket has WB on?

why is ant wall higher?

what is limiting in it?

A

ischemic tub

counter-pressure

M-L/rotational stability

23
Q

WB on ischial containment socket?

what is improved?

A

ischium and ascending ramus

M-L rotational stability secondary to high lateral wall

24
Q

Types of transferal sockets?

A

quadrilateral
ischial containment
contoured ischial containment

25
Q

What does contoured ischial containment socket do

A

contour for hammys and adductors to allow for muscle enlargement

26
Q

What are the suspensions of transtibial prostheses

A 
Supracondylar cuff
Neoprene sleeve
Shuttlelock + Pin 
supracondylar wedge 
thigh corset
27
Q

Suspensions for transferal prostheses

A

total suction
shuttlecock + Pin
partial suction (sock and band)
no suction (use bands)

28
Q

What are the knee units of transferal prostheses?

possible components?

A

single axis or polycentric

mechanical stabilizer
microprocessor
extension aid

29
Q

Align knee posterior to TKA line, manual lock, friction brake

A

mechanical stabilizer

30
Q

What is contstant vs fluid friction

A

constant: swing value
fluid: hydraulic or pneumatic

31
Q

Types of socks/sheaths?

A

cotton
wool
nylon
silicone

32
Q

when should u use smaller socket?

A

after 7 ply

33
Q

Removable medial or posterior compartment to accommodate bulbous distal end?

A

syme prosthesis

34
Q

types of UE prostheses

A

body powered (harness+Cable)

Externally powered (myoelectic)

35
Q

Components of UE prosthesis

A 
terminal device
Wrist unit
elbow unit
Socket
harness
36
Q

types of terminal devices for UE prostheses

A

passive hand
myoelectric hand
hook
tool

37
Q

Scap abd (protraction) w/ humeral flexion as allows for

A

terminal device open/close

38
Q

Scap depression w/ humeral ext + abd=

A

lock/unlock elbow

39
Q

Wrist flexor contraction =

extensors=

A

close hand

open hand

40
Q

use an inclinometer to measure tibial angle in relation to ground and an accelerator to measure velocity

A

Walk aide

41
Q

uses heel switch to detect weighting/unweighting

A

bioness

42
Q

between walk aide and bioness, which adjusts to cadence?

A

Walk aide

43
Q

what are the neural prostheses

A

walk aide

bioness

44
Q

between walk aide and bioness, which stimulate peroneal nerve to elicit DF?

A

BOF

45
Q

replacement or enhancement of organs or other body parts by mechanical versions

A

Bionics

Prosthetics and Orthotics (1 decks)

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