final components Flashcards

(45 cards)

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
What does contoured ischial containment socket do
contour for hammys and adductors to allow for muscle enlargement
26
What are the suspensions of transtibial prostheses
``` Supracondylar cuff Neoprene sleeve Shuttlelock + Pin supracondylar wedge thigh corset ```
27
Suspensions for transferal prostheses
total suction shuttlecock + Pin partial suction (sock and band) no suction (use bands)
28
What are the knee units of transferal prostheses? possible components?
single axis or polycentric mechanical stabilizer microprocessor extension aid
29
Align knee posterior to TKA line, manual lock, friction brake
mechanical stabilizer
30
What is contstant vs fluid friction
constant: swing value fluid: hydraulic or pneumatic
31
Types of socks/sheaths?
cotton wool nylon silicone
32
when should u use smaller socket?
after 7 ply
33
Removable medial or posterior compartment to accommodate bulbous distal end?
syme prosthesis
34
types of UE prostheses
body powered (harness+Cable) Externally powered (myoelectic)
35
Components of UE prosthesis
``` terminal device Wrist unit elbow unit Socket harness ```
36
types of terminal devices for UE prostheses
passive hand myoelectric hand hook tool
37
Scap abd (protraction) w/ humeral flexion as allows for
terminal device open/close
38
Scap depression w/ humeral ext + abd=
lock/unlock elbow
39
Wrist flexor contraction = extensors=
close hand open hand
40
use an inclinometer to measure tibial angle in relation to ground and an accelerator to measure velocity
Walk aide
41
uses heel switch to detect weighting/unweighting
bioness
42
between walk aide and bioness, which adjusts to cadence?
Walk aide
43
what are the neural prostheses
walk aide | bioness
44
between walk aide and bioness, which stimulate peroneal nerve to elicit DF?
BOF
45
replacement or enhancement of organs or other body parts by mechanical versions
Bionics