Week 2- TransTibial Flashcards Preview

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Flashcards in Week 2- TransTibial Deck (117)
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1

What is considered a very short Transtibial?

Less than three inches

2

What is considered a short Transtibial?

3-5 inches

3

What is considered a normal transtibial?

3-7 inches

4

What is considered a long transtibial?

Greater than 7 inches

5

What is a symes amputation?

Removal of the tibia and fibula above the malleoli and covering it with the heel pad.

6

What is an ankle disarticulation?

Does not cut through the periosteum but may adjust the pointiness of the tibia and fibula and wrap the heel pad around it.

7

What does PTB stand for

Patellar Tendon Bearing

8

What does TSB stand for?

Total Surface bearing

9

What are the pressure intolerant areas of a PTB socket?

Patella
Fib head
Distal end of fib and tib
Medial side of Tibial plateau

10

What are the pressure tolerant areas of a PTB?

The Patellar tendon bar
The length of the fibula and tibia

11

What shape does the PTB create?

A triangular shape

12

What are the indication for a PTB?

Previous wearer
Extreme Atrophy
Selective Hot Spots
•  Neuromas
•  Callusing

13

Where are the pressures during initial contact?

Has greater Distal anterior pressure
Greater Proximal posterior pressure

14

What are the pressures during Loading Response?

less pressure distally

15

What are the pressures during Terminal Stance?

More pressure proximal anterior and distal posterior

16

What should be the main goal of the socket?

Distribute pressures from intolerant areas to tolerant areas

17

What are the different types of support or interface options for PTB sockets?

Lines
Hard
Soft
Air Cushioned

18

What is an example of a lined interface for a PTB socket?

Pelite liner or similar

19

What is an example of a hard interface for a PTB socket?

Hard Plastic

20

What is an example of a soft interface for a PTB socket?

Distal pad

21

What is an example of a air cushioned interface for a PTB socket?

Flexible liner

22

What are the different types of suspension options for a PTB?

Cuff
Side Joint and Thigh Lacer
Supracondylar
Supracondylar/suprapatellar

23

What are examples of a cuff suspension for a PTB socket?

Leather or Dacron

24

What is an example of a supracondylar suspension for a PTB socket?

Supracondylar lateral brim-Fixed or removable medial wedge

25

What is an example of a supracondylar/suprapatellar suspension for a PTB socket?

Supracondylar lateral brim-Suprapatellar anterior brim

26

What is assumed for a TSB socket?

Even distribution of pressures
Total contact fit

27

What are the indication for a TSB socket?

Majority of Patients
Mild to Moderate Atrophy
Patients with Skin Conditions or considerations
Unstable volume or Edema

28

What does a TSB often involve?

A gel liner

29

Which socket should be used when the patient has a very short fibular compared to Tibia?

PTB

30

Which socket should be used when the patient has a bulbous end?

TSB