Treatment Protocols & Procedures Flashcards

During initial socket fitting for a transtibial amputee, which clinical sign most urgently requires immediate socket modification?

Answer: Persistent blanching over the fibular head

Persistent blanching over bony prominences like the fibular head indicates excessive pressure that can rapidly lead to tissue breakdown and requires immediate modification.

A transfemoral prosthetic user reports the prosthetic knee flexes too easily during loading response. Which adjustment addresses this issue?

Answer: Increase stance flexion resistance

Increasing stance flexion resistance in the prosthetic knee prevents unwanted knee flexion during the loading response phase of gait.

Which suspension system for a transtibial prosthesis requires the least amount of residual limb volume stability to function effectively?

Answer: Elevated vacuum suspension

Elevated vacuum suspension actively compensates for volume fluctuation by maintaining negative pressure within the socket, making it most tolerant of volume changes.

When fabricating a check socket for a new amputee, what is the primary purpose of using a transparent material?

Answer: To assess skin contact and pressure distribution visually

Transparent check sockets allow the clinician to visually assess areas of contact, air gaps, and pressure distribution while the patient is weight-bearing.

A patient with a transtibial amputation experiences pistoning during ambulation. Which of the following is the LEAST likely cause?

Answer: Incorrect socket shape at patellar tendon bar

Patellar tendon bar shape primarily affects pressure distribution and comfort, not pistoning, which is primarily a suspension-related problem.

For a dysvascular amputee returning for a follow-up fitting visit, which assessment should be performed FIRST before any socket modifications?

Answer: Inspection of the residual limb skin integrity

Dysvascular patients are at high risk for pressure injuries, so skin integrity inspection must be performed first to detect any early signs of breakdown before stressing the tissue further.

Which thermoforming temperature range is typically used for low-temperature thermoplastics (LTTPs) used in check socket fabrication?

Answer: 150–180°F (65–82°C)

Low-temperature thermoplastics soften and become formable between approximately 150–180°F, allowing safe draping directly over a plaster model or the patient.