17 Questions
What is the primary purpose of prosthetic sheaths?
To reduce friction, disperse moisture, and control bacterial growth
Which type of socket is more suitable for an individual with a stabilized limb volume?
Hard socket with a resilient pad
What is the advantage of using flexible sockets with rigid external frames?
It results in a more comfortable socket
What is the primary material used in fabricating soft socket liners?
Polyethylene foam
What is the primary reason why a prosthesis is often rejected?
Uncomfortable socket
Which type of socket provides better support and relief to the remaining bones, muscles, and soft tissues?
Contoured socket
What is the primary purpose of the thigh corset with knee joints?
To provide additional support for patients with mechanically unstable knee joints
Which type of suspension uses the proximal aspect of the patella as well as the femoral condyles to achieve suspension of the prosthesis on the residual limb?
Cuff strap
What is the primary function of the quadriceps bar of the patellar tendon-bearing (PTB) supracondylar socket?
To resist knee hyperextension and enhance suspension
What is the indication for using PTB supracondylar suspension?
When a patient wishes to do a lot of kneeling or cannot tolerate the quadriceps bar
What is the characteristic of roll on knee sleeves?
They are prefabricated from thin latex rubber or neoprene in different sizes
What is the advantage of using the quadriceps bar of the patellar tendon-bearing (PTB) supracondylar socket in patients with very short residual limbs?
It encompasses more surface area to share weight-bearing and provides stability for patients with mediolateral instability
What is the primary function of friction sleeves in prosthetic sockets?
To suspend the prosthesis on the residual limb using friction
What is a disadvantage of using friction sleeves?
They can lead to perspiration and hygiene problems
What type of suspension method involves a silicone sleeve with a short pin at the end?
Suction suspension
What is an alternative suspension method for transfemoral prostheses?
Strap suspension
What is the purpose of a silicone gel locking liner?
To enhance suspension of the prosthesis
Learn about the importance of prosthetic sockets, their types, and how they provide comfort and support. Understand the benefits of contoured sockets and how they differ from hard sockets.
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