Clinical Study 3

What was the first form of arthroplasty

• knee replacement

• hip replacement

• shoulder replacement

• ankle replacement

What class is the AETOS shoulder replacement system?

• 1

• 2

• 3

What is the device name of the component that is inserted into the femor?

• Femoral stem

• femoral stick

• Acetubular insert

• acetubular stem

When would you use reverse shoulder arthroplasty?

• when the rotator cuff is completely torn

• when the rotator cuff is mostly intact

• when the bone is in fairly good shape

• when the deltoid is not functional

What are soft goods considered in regards to devices  

• easily bendable

• noninvasive

• made from soft medals

• prototypes

what is one of the alloys considered in 21CFR 888.3358?

• [cobalt-aluminum-wood] [chromium-titanium-steel]

• [cobalt-chromium-molybdenum]

• [titanium-aluminum-vanadium]

What was not a result of the Neer Mark II total shoulder system clinical trials?

• ROM significantly improved

• Functionally significantly improved

• less than half had pain relief

• less than half had component loosening or displacement

What percent of a sample population will be lost to death in the first 2 years of a study?

• 10%

• 23.5%

• 2%

• 5%

which of the following is not a benefit to the bi-metric microplasty stem design?

• fit and fill geometry

• long stem length

• short stem length

• titanium alloy

What treatment was used on the knee system to improve longevity and durability?

• design based on animal joints

• no use of cement

• Porocoat Coating

• use of platinum parts