Wrist Units Flashcards
What are some special considerations for the Economy Wrist?
Least expensive
The farther the TD into wrist the tighter the friction.
What are some special considerations of the Economy Wrist with straps?
Most durable wrist
Can be used with non functioning hand
What does the constant friction wrist provide?
Constant friction throughout ROM of TD
What does the constant friction wrist require?
Use of other hand or the act of pushing up against another object
What does the oval constant friction wrist provide?
Constant friction throughout ROM of TD
What is a special consideration of the Oval Constant Friction wrist?
If using a cosmetic hand which is repositioned in SUP/PRO the oval shape will bulge in the glove.
Less cosmetic
What are some special considerations of the WD friction wrist?
Shortest wrist unit, least space for TD post
Very simple and inexpensive
What does the CAPP Delrin wrist allow?
Constant friction with a unique friction adjustable collar
What are the advantages of the CAPP Delrin wrist?
Light weight
ideal for cosmetic hands
What is the Otto Bock Wood hand adapter used for?
connecting passive hands to the forearm socket.
What are the advantages of the Otto Bock wood hand adaptor?
wrist can be sculpted-more cosmetic
Otto bock has many styles of Hands which can be matched making it more cost effective
What are the disadvantages of the Otto Bock wood hand adapter?
uses metric threads so it only works with European passive hands
What is the F-M Quick change wrist designed for?
Rapid interchange of different TD
How do you use the F-M quick change wrist unit?
Light downward pressure will allow for rotation
Proximal force will lock the TD in position
What does the Wrist disarticulation quick change wrist allow?
quick change of TD or position
What are the special considerations for the Wrist disarticulation quick change wrist?
Shortest Quick disconnect
Good for long TR or WD
requires patient to grab and twist the ring for locking and unlocking the wrist
Contraindicated for bilaterals
What is a special consideration for the USMC style quick disconnect?
It has a different disconnect insert to the Hosmer quick disconnect
Available in round and oval
How many positions does the USMC style quick disconnect have?
12 locking positions
What is different between the friction disconnect wrist and the other disconnect wrists?
The insert friction can be adjusted.
Where does the APRL Child flexion unit intall?
Between the TD and wrist to allow flexion
What two positions does the APRL Child Flexion Unit wrist flex?
0 and 36 degrees
Who is the APRL Child flexion unit good for?
Bilateral pediatric or long residuum adults
Which wrist is the most prescribed?
Friction Wrist
What are the advantages of the Friction wrist?
Durable
Price efficient
Who is the Friction wrist made for?
Wrist disarticulation
What is allowed by the constant friction wrist?
Constant friction through out the ROM
What is the Quick disconnect wrist unit designed for?
Facilitate rapid interchange of different terminal devices
Who is the Flexion Wrist good for?
Bilateral patients to eat, shave, toilet
What does the Flexion Wrist replace?
The constant friction wrist
What are the positions of the Flexion Wrist?
Neutral
30 degrees of volar flexion
50 degrees of volar flexion
What are the disadvantages of the flexion wrist?
Increased weight
Applied on the dominant side
What are the three locking positions of the Sierra Wrist Flexion Unit?
O degrees volar flexion
25 degrees volar flexion
50 degrees volar flexion
What are the disadvantages of the Sierra Wrist Flexion Unit?
Must be coupled with another unit
Adds weight and length
What is the rotational wrist controlled by?
Cable
Who is the rotational wrist indicated for?
Bilaterals
What is the contraindication of the rotational wrist?
Low Gadget tolerance
What is the advantage of the Rotational wrist?
Greater resistance to rotation than constant friction wrist.
Who is the four function wrist indicated for?
Bilaterals
What does the four function wrist combine?
The rotational wrist and flexion wrist Has Flexion Extension Supination Pronation
What can the four function wrist be adapted to?
The 5 function wrist with cable operated flexion unlock
What does the five function wrist combine?
Rotational wrist, flexion wrist and quick disconnect. Flexion extension pronation supination quick change feature
Who is the five function wrist indicated for?
bilaterals
What are the contraindications for the five function wrist?
low gadget tolerance
What can the five function wrist be set up with?
Manuel locking and unlocking as well as cable use
What does the hands free tool changing station allow?
amputees or bilateral dysfunctional individuals to change TD tools
What is a special consideration for the hands free tool changing station?
Can only be used with the Texas Assistive Device quick disconnect set ups.
