ARTHREX DEX 5 DAY 2024 QUESTIONS AND ANSWERS 100% CORRECT
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Course
ARTHREX DEX 5
Institution
ARTHREX DEX 5
When the surgeon is performing a DIP joint fusion and has inserted the double ended kwire to the desired depth in the middle phalanx, how many millimeters should be subtracted from the measured length of the kwire to account for countersinking the screw head and compression at the fusion site?
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ARTHREX DEX 5 DAY 2024 QUESTIONS AND ANSWERS 100% CORRECT When the surgeon is performing a DIP joint fusion and has inserted the double ended kwire to the desired depth in the middle phalanx, how many millimeters should be subtracted from the measured length of the kwire to account for countersinking the screw he ad and compression at the fusion site? 1mm 2mm 4mm None, it is not necessary to account for compression or countersinking the screw head - ANSWER 4mm Why is a solid 1.5mm Hex Driver included with the compression FT Screw instrumentation? To aid in screw removal To increase torque when inserting the solof compression FT screws To help countersink screws To make the set look cool - ANSWER To aid in screw removal Which of the following is NOT a feature or a benefit of the 3.5mm mini compression FT screw? Variable stepped thread pitch Improved torque transmission through a hexaglobe recess Conical shaped outer diameter to gain final compression Headless Cannulated - ANSWER Conical shaped outer diameter to gain final compression ARTHREX DEX 5 DAY 2024 QUESTIONS AND ANSWERS 100% CORRECT What are the screw lengths available in the 7.0,, X -large compression FT screw system - (AR-8750S)? 20-50mm by 2mm increments, 55 -90mm by 5 mm increments 35-120mm by 2mm increments 35-120mm by 5mm increments 35-140mm by 5mm increments - ANSWER 35 -120mm by 5mm increments True or False: one of the ways the compression FT screws achieve compression is by having a large pitch on the leading end and smaller pitch on the trailing end - ANSWER true Which of the following is NOT a feature or benefit of the 2.5mm micro compression FT screw? Variable stepped thread pitch Improved torque transmission through a hexalobe recess Self-tapping flutes Headless Cannulated - ANSWER Improved torque transmission through a hexalobe recess There are two main types of headless compression screws available on the market. One is a "herbert" style screw that has threads at the leading end, a smooth shaft, and threads at the trailing end or head of the screw. The other type is similar to the Arth rex compression FT screws that is fully threaded with variable thread pitch to gain compression. True or False. The main advantage to using a fully threaded screw with variable pitch is to gain purchase along the entire length of the screw rather than depe nding on the ARTHREX DEX 5 DAY 2024 QUESTIONS AND ANSWERS 100% CORRECT head of a partially threaded screw to gain and maintain purchase in just the near cortex - ANSWER True What are the lengths of the 2.5 micro compression FT screws? 8-14mm by 2mm increments, then 16 -34mm by 1mm increments 8-14mm by 2mm increments, then 16 -30mm by 1mm increments 8-14mm by 1mm increments, then 16 -50mm by 2mm increments 8-14mm by 1mm increments, then 16 -34mm by 2mm increments - ANSWER 8 -14mm by 1mm increments, then 16 -50mm by 2mm increments Besides the actual size of the larger compression FT screws, what is the key design difference between the 5.0 and 7.0 compression FT screws compared to the smaller compression FT screws? Variable threaded pitch Cannulated Comes with a profile drill Are tapered on the outer diameter Headless design - ANSWER Are tapered on the outer diameter True or False: a 3.5 mini compression FT screws schieves a statically significant higher maximum push -out when compared to an acumed acutrak 2 mini screw and a synthes 3.0mm Hebert screw. This may lead to a better long term stability and less likely screw backout/ - ANSWER false When using a 3.5 mm DX SwiveLock® SL anchor in the metacarpal head for reconstruction of the thumb UCL using SutureTape and a palmaris longus autograft what size drill should be used? 3.2 mm 3.0 mm ARTHREX DEX 5 DAY 2024 QUESTIONS AND ANSWERS 100% CORRECT 3.5 mm 3.7 mm - ANSWER 3.5 mm Before placing the second SwiveLock® anchor for a thumb UCL IB repair, the thumb should be placed in: Neutral 60 degrees of extension 30 degrees of flexion 60 degrees of flexion - ANSWER 30 degrees of flexion What size graft should be used for a thumb UCL reconstruction when using the 3.5 DX SwiveLock® SL anchor? 4 mm 2 mm 5 mm 3.5 mm - ANSWER 2 mm True or False: When small bone is encountered on the proximal phalanx when performing a thumb UCL repair, a Mini PushLock® anchor may be substituted for a 3.5 SwiveLock® anchor. - ANSWER True The anchor position in the base of the proximal phalanx for a thumb UCL repair/reconstruction should be placed? Slightly more volar than midline Slightly more dorsal than midline Central On the articular surface - ANSWER Slightly more volar than midline Which of the following statements regarding the thumb is CORRECT?
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