Mechanical Locking Indications for transtibial socket suspension
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fluctuating volume, recent amputation, limited cognition, no skin adhesions
what are the characteristics of the control attachment strap?
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-located on the distal 3rd of scapula for max excursion
-cable should not touch body
What type of surface covering can be on a hook/hand? why would you use one over
the other?
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-serrated = for increased grip
-nitrate lined = protective coating
-plastisol = for different colors
Concept of TSB vs. PTB
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-TSB: uniformly distribute pressure over the entire residuum (hydrostatic
seal)
-PTB: pressure tolerant areas and pressure intolerant areas
what are the characteristics of a passive friction elbow?
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, -manual positioning
-adjustable friction
-reach over with sound side or bump something to move elbow
What are the characteristics of a chest strap with shoulder saddle?
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distributes forces, axial load to shoulder and away from axial
Advantages for socks used as interface
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easy, cheap
What is the goal for loading response as a transfemoral amputee?
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knee stable, smooth/controlled plantarflexion, foot doesnt rotate in
transverse plane
What is the goal for midstance as a transtibial amputee?
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, pylon vertical, socket has varus moment ~1/2", 2-4" between feet, no
excessive lateral trunk lean
what are the characteristics of an open shoulder socket?
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-mid length to long residuum
-suspensions used are suction, roll on gel liners, harness
-heat dissipation
what is a conventional suspension mechanism for a transradial amputee?
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-harness suspension
-can allow for pronation and supination when limb is >50% remaining
-infracondylar
Pneumatic Prosthetic Knees
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-allows varied cadence using air pressure dynamics
-usually less weight and are less expensive then hydraulic
-provides less precise cadence control and require just as much
Maintenace as hydraulic
Give this one a try later!
fluctuating volume, recent amputation, limited cognition, no skin adhesions
what are the characteristics of the control attachment strap?
,Give this one a try later!
-located on the distal 3rd of scapula for max excursion
-cable should not touch body
What type of surface covering can be on a hook/hand? why would you use one over
the other?
Give this one a try later!
-serrated = for increased grip
-nitrate lined = protective coating
-plastisol = for different colors
Concept of TSB vs. PTB
Give this one a try later!
-TSB: uniformly distribute pressure over the entire residuum (hydrostatic
seal)
-PTB: pressure tolerant areas and pressure intolerant areas
what are the characteristics of a passive friction elbow?
Give this one a try later!
, -manual positioning
-adjustable friction
-reach over with sound side or bump something to move elbow
What are the characteristics of a chest strap with shoulder saddle?
Give this one a try later!
distributes forces, axial load to shoulder and away from axial
Advantages for socks used as interface
Give this one a try later!
easy, cheap
What is the goal for loading response as a transfemoral amputee?
Give this one a try later!
knee stable, smooth/controlled plantarflexion, foot doesnt rotate in
transverse plane
What is the goal for midstance as a transtibial amputee?
Give this one a try later!
, pylon vertical, socket has varus moment ~1/2", 2-4" between feet, no
excessive lateral trunk lean
what are the characteristics of an open shoulder socket?
Give this one a try later!
-mid length to long residuum
-suspensions used are suction, roll on gel liners, harness
-heat dissipation
what is a conventional suspension mechanism for a transradial amputee?
Give this one a try later!
-harness suspension
-can allow for pronation and supination when limb is >50% remaining
-infracondylar
Pneumatic Prosthetic Knees
Give this one a try later!
-allows varied cadence using air pressure dynamics
-usually less weight and are less expensive then hydraulic
-provides less precise cadence control and require just as much
Maintenace as hydraulic
