Mako 2.0 PDF

TKA 2.0 95 questions Consider the following scenario and image shown: The user is on the Trialing page capturing the Flexion Laxity pose. When the user presses the….. ◦ The pose will be deleted ◦ The Max Flexion Medial Laxity will decrease to 5.5mm and the Live Flexion Medial Laxity will decrea...

TKA 2.0 95 questions Consider the following scenario and image shown: The user is on the Trialing page capturing the Flexion Laxity pose. When the user presses the….. ◦ The pose will be deleted ◦ The Max Flexion Medial Laxity will decrease to 5.5mm and the Live Flexion Medial Laxity will decrease to Omm; The Max Flexion Lateral Laxity will decrease to 6.5mm and the Live Flexion Lateral La ◦ All values on the screen will reset to 0mm ◦ No mentioned answer choices ◦ The Max Flexion Medial Laxity will decrease to 1.5mm and the Live Flexion Medial Laxity will decrease to Omm; the Max Flexion Lateral Laxity will decrease to 2.5mm and the Live Flexion Lateral La While selecting the proximal shaft CT landmark, the crosshair should be below the lesser trochanter. ✓ T ◦ F What is the first step of capturing the medial slope tibial landmark? ◦ Align the green arrows such that the angle matches the patient's native slope ◦ Place the crosshair on the center of the lateral tibial plateau ✓ Place the crosshair on the center of the medial tibial plateau ◦ Place the blue sphere on the PCL insertion What is the location of the distal shaft CT landmark? ◦ Proximal aspect of the femoral shaftk ✓ Distal aspect of the femoral shaft ◦ Distal aspect of the tibial shaft ◦ Proximal aspect of the tibial shaft While selecting the proximal shaft CT landmark, the crosshair should be centered in all three views (transverse, coronal, sagittal.) ✓ T ◦ F During 'Trialing', the capturable flexion range for the extension laxity pose(s) is dependent upon the 'Final Alignment' sagittal flexion angle. ✓ T ◦ F The user may need to 'zero' during trialing for the following reason(s): ◦ All mentioned answer choices ◦ If the bone arrays have been bumped ✓ The user virtually changes the poly size on the 'Trialing' page after the surgeon changes the poly trial physically ◦ No mentioned answer choices ◦ If the user navigates to a laxity pose before all trials, including the planned poly, are inserted in the joint The 'Delete' button can be used to delete captured poses and/or erase the maximum value achieved if the Ratcheted preference is selected. ✓ T ◦ F The software deletes all 'Trialing' pose captures when the poly size is changed in the software because ◦ the Mako System cut deep to the implant plan ◦ osteophytes could be present in the joint ◦ the patient could have a flexion contracture ✓ the joint mechanics change when the user increases or decreases the poly size Consider the following scenario and image shown: The user is on the Trialing page capturing the Extension Lateral Laxity pose. When the…. ◦ The Extension Lateral live laxity value will decrease to 0mm ✓ The Extension Lateral Max value will decrease to 0.5mm ◦ The Extension Medial live laxity value will decrease to 0mm ◦ No mentioned answer choices ◦ All mentioned answer choices While "Trialing,' the user is limited to live 'Laxity Capture' only; this is due to the trials in the joint. ◦ T ✓ F The user can balance and modify the implant plan on the "Trialing' page. ◦ T ✓ F Consider the following scenario and included image: The user is capturing 'Hip Center', the following error will pop up if the spread metric used to calculate the Hip Center' fails more than once. Which of the following statement(s) apply: ◦ The captured "Hip Center is deleted when the user selects 'continue ◦ The captured 'Hip Center will impact the accuracy of the tibial bone registration ◦ The femoral checkpoint has moved ✓ The captured 'Hip Center remains unless the user deletes the landmark Consider the following scenario and included image: The user is capturing the tibia patient landmarks, and the following error popped up. The user selected 'Continue and decided to move forward with the captured landmarks. Which of the follow… ◦ The tibial array has been bumped ◦ Both mentioned answer choices ◦ No mentioned answer choices ✓ A warning will be displayed on the 'Bone Registration' page Consider the following scenario and included image: The user is capturing the tibia patient landmarks, and the following error will pop up on the failed attempt of tibia patient landmarks. ◦ Second ◦ Fourth ✓ First ◦ Third Consider the following scenario and included image: The user is capturing 'Hip Center', the following error will pop up if ◦ the spread metric used to calculate 'Hip Center fails more than once ◦ the pelvic array is used for intra-incisional tibia bone pin placement ◦ the femoral array drops out of camera view ✓ the spread metric used to calculate 'Hip Center fails once Consider the following scenario and included image. If the user presses the foot pedal or selects the 'Capture' button, which laxity value will be saved in this example? ◦ -4.0 ◦ 1.5 ✓ -2.0 mm ◦ -25 The user can switch between the plans but must lock the preferred plan before navigating to Initial Assessment', Tensioning', 'Bone preparation' and/or Trialing' pages. ✓ T ◦ F The 'Initial Assessment' capturable flexion range for flexion laxity poses is ◦ 85° to 95° ◦ dependent upon the native sagittal deformity flexion angle to ensure the capsule is lax during the extension pose captures ✓ 85° to 105° ◦ dependent upon the native coronal deformity flexion angle to ensure the capsule is lax during the extension pose captures Pre-resection laxity is calculated from the planned tibial resection to the planned femoral resection. ◦ T ✓ F planned articulating surface of femoral component and planing art. surf. Of the tibial component The laxity values displayed within TKA 2.0 represent ◦ the closest distance between the planned tibial resection to the planned articulating surface of the femoral component plus 8.5 mm ✓ No mentioned answer choices:…. closet distance between planned tibial resection and planned articulating surface of femoral component minus tibia component thickness ◦ the space between the planned articulating surface of the femoral component to the planned articulating surface of the tibial component ◦ the gaps between the planned femoral and tibial resections If the Mako System cuts deep to the implant plan, it will be displayed as red on the main window of the Bone Preparation' page. ◦ T ✓ F: yellow Which of the following warnings can be displayed on the 'Bone Preparation' page if triggered within Implant Planning'? ◦ Flange tip ◦ Combined flexion ✓ Notching ◦ Overhang If the implant plan has triggered the checkpoint near cut warning, the checkpoint will be displayed as yellow on the main window bone model while on all cuts. ◦ T ✓ F - yes will display on all cuts but only yellow for those cuts where the checkpoint will interact with the cutter Consider the following scenario: The surgeon has finished the tibial resection and would like to proceed to the posterior femur resection. Which checkpoints) will the surge ✓ Femur checkpoint only ◦ Cutter checkpoint (straight saw attachment) and femoral checkpoint ◦ Cutter checkpoint (straight saw attachment) only ◦ Cutter checkpoint (angled saw attachment) and femoral checkpoint Consider the following scenario: The surgeon has finished the tibial resection and would like to proceed to the posterior femur resection. Which checkpoints) will the surgeon user be required to pass? ✓ Femur checkpoint only ◦ Cutter checkpoint (straight saw attachment) and femoral checkpoint ◦ Cutter checkpoint (straight saw attachment) only ◦ Cutter checkpoint (angled saw attachment) and femoral checkpoint The 'To be cut' volume is displayed as blue on the 'Bone Preparation' page. ✓ T ◦ F Consider the following scenario: The surgeon has finished the anterior chamfer resection and would like to proceed to the distal femoral resection. Which checkpoints) will the surgeon user be required to pass ✓ Cutter checkpoint (angled saw attachment) only ◦ Cutter checkpoint (straight saw attachment) and femoral checkpoint ◦ Cutter checkpoint (straight saw attachment) only ◦ Cutter checkpoint (angled saw attachment) and femoral checkpoint Consider the following scenario: The surgeon user would like to cut the anterior femur first. The straight saw attachment cutter checkpoint has passed; however, the software is on the tibia dropdown. How will ✓ The software will detect the probe is within the femoral checkpoint and will verify the validity of the checkpoint, if a passing/green result is achieved the surgeon user will be granted access to the 'Anterior' cut ◦ No mentioned answer choices ◦ The software will detect the probe is within the femoral checkpoint, a pop-up will remind the user to select the Femur dropdown  ◦ If the probe tip is within 100 mm of the tibial checkpoint, the software will display a red checkpoint result and will not allow the user to proceed to the anterior femur resection until the user switches the dropdown to 'Femur If the implant plan triggers the checkpoint near cut' warning and it is not addressed, this warning will appear on the 'Bone Preparation' page. ✓ T ◦ F In the image shown, which warning is displayed on the main window? ◦ Tibia planning ◦ Implant proud of cut implant ◦ Overhang ✓ Checkpoint near cut The application will allow a user to proceed to bone preparation and execute an implant plan that has triggered the 'implant proud of cut warning ✓ T ◦ F If the implant plan is set for a size 3 femur and a size 3 tibia with a posterior slope set to 3°, what is the maximum amount of flexion that can be placed on the… ◦ 5° ◦ 4° ◦ ✓ 7°- combined flexion max = 10 if tibia is bigger or equal to size of femur. 8 combined if femur is bigger than tibia "Potential notch' can be described as the superior edge of anterior cut haptic model is just proud of the bone and nearly parallel to the bone surface. ✓ T ◦ F Which warning(s) can be triggered intra-operatively? ◦ Implant proud of cut ◦ No mentioned answer choices ◦ Checkpoint near cut ◦ Change after resection ✓ All mentioned answer choices If the implant plan is set for a size 5 femur and a size 4 tibia with a posterior slope set to 0°, what is the maximum amount of flexion that can be placed on the femoral component with ◦ 4° ◦ 10° ◦ 7° ✓ 8° If the tibial component is overhanging the magenta line, a warning will be triggered. ✓ T  ◦ F Which warning(s) cannot be triggered pre-operatively? ✓ Flange tip ◦ All mentioned answer choices ◦ No mentioned answer choices ✓ Combined implant flexion ✓ Overhang ◦ Checkpoint near cut The application will not allow the user to move onto bone preparation if the following warning(s) have been triggered? ◦ Overhang ◦ Changes after resection ◦ All mentioned answer choices ◦ Flange tip ◦ Implant proud of cut ✓ No mentioned answer choices Consider the following scenario: The femoral component placement has triggered an 'overhang' warning, specifically on the medial condyle ◦ Downsize the femoral component ◦ No mentioned answer choices ◦ All mentioned answer choices ✓ Translate the femoral component laterally ◦ Upsize the femoral component The checkpoint near cut warning will appear in which of the below page(s)? ◦ Bone preparation only ◦ Implant Planning, Bone Preparation, and Initial Assessment ◦ Implant planning only ✓ Implant Planning and Bone Preparation only What threshold must be exceeded for implant overhang on the tibia to trigger the 'Overhang' warning? ✓ 1.00 mm ◦ 4.30 mm ◦ 2.70 mm ◦ 2.00 mm What threshold must be exceeded regarding implant overhang on anterior flange to trigger the 'Flange tip' warning? ◦ 2.70 mm ◦ 4.30 mm ◦ 2.00 mm ✓ 1.00 mm The application will not allow a user to proceed to bone preparation and execute an implant plan that has triggered the true notching' warning? ◦ T ✓ F Consider the following scenario: The surgeon user has chosen the mid-resection workflow and has executed a 7 mm tibial resection prior to the new implant plan will trigger the 'Implant proud of cut' warning on the tibia? ◦ 0.50 mm ◦ 1.00 mm ✓ 0.01 mm ◦ No mentioned answer choices ◦ All mentioned answer choices Warnings are determined by the user's unique surgeon preferences. ◦ T ✓ F The displayed warning appeared while converting a PKA 3.0 session file to a TKA 2.0 session file. If the original PKA session was for a lateral uni-compartmental, what should the user consider? ◦ Ensure use of intra-incisional bone pin placement on the femur ◦ It is advised to not move forward with a TKA 2.0 procedure ◦ The medial and lateral malleolus may be difficult to capture ✓ Ensure access to required bone registration regions, pertorm medial incision The 'Mid-resection balancing' workflow enables the Joint balancing page.' ◦ T ✓ F (enables tensioning) If the user selects 'Laxity Capture' for Initial Assessment' it is possible to select 'Ratcheted Laxity Capture' for Trialing within the same 'Surgeon Preference' profile. ✓ T ◦ F TKA 2.0 offers which workflow(s)? ◦ 'Pre-resection balancing and 'Measured resection' ◦ Ligament balancing' and 'Measured resection' ◦ 'Pre-resection balancing' and 'Distal/tibia cut first ✓ 'Pre-resection balancing' and 'Mid-resection balancing' If the user selects 'M/L together (one pose) in extension, the user must select 'M/L together (one pose) in flexion. ◦ T ✓ F Planning notifications and the 'Tensioning extension pose capturable range can be differentiated within 'Surgeon Preferences' regarding the patient's coronal deformity.  ✓ T ◦ F If the surgeon prefers to perform Mako Registration over knee center the MPS should advise the surgeon to ◦ insert the straight saw attachment ◦ flex the leg ◦ double press the trigger ✓ extend the leg and ensure the end effector avoids contact with the patient The Mako registration Go- To Point is_____ TKA 1.0 and_____ ◦ Lower, should be used as a reference to position the Mako System when moving into the sterile field ◦ Higher than, should not be used as a reference to position the Mako System when moving into the sterile field ✓ Lower than, should not be used as a reference to position the Mako System when moving into the sterile field ◦ The same as, should not be used as a reference to position the Mako System when moving into the sterile field Constitutional landmarks are editable. ◦ T ✓ F Constitutional landmarks will appear as____spheres on the ____page. ◦ Green, 'Implant Planning ✓ Green, 'Resection Landmarks ◦ Magenta, 'Resection Landmarks ◦ Magenta, 'Implant Planning The____ value is calculated using the 'Femur Distal Medial and Femur Distal Lateral____landmarks ◦ Medial Proximal Tibial Angle (MPTA), Constitutional ✓ Lateral Distal Femoral Angle (LDFA), Constitutional ◦ Lateral Distal Femoral Angle (LDFA), Resection ◦ Medial Proximal Tibial Angle (MPTA), Resection If the user improperly collects the____CT landmark, the____ may be computed in an unreliable location. ◦ Medial slope, default tibia proximal medial Resection Landmark ✓ Tibia knee center, default tibia proximal medial 'Resection Landmark ◦ Tibia knee center. rotational landmark ◦ Medial slope, rotational landmark The terms constitutional alignment and aHKA can be used interchangeably. ✓ T ◦ F Which numerical box is editable on the 'Implant Planning' page? ◦ Mechanical alignment ◦ PCA ◦ TEA ✓ Distal medial resection depth ◦ Femur anatomic axis Which numerical box is editable on the 'Implant Planning page? ◦ Mechanical alignment ◦ PCA ✓ Constitutional alignment ◦ Femur anatomic axis The 'Implant Planning' page is used for both preoperative and intraoperative implant adjustments. ✓ T ◦ F If 'laxity view' is enabled, what notification will not appear in the main window if it is triggered? ◦ Implant proud of cut ◦ Overhang ✓ Tibia planning (resection depth) ◦ Tibia planning (alignment) In the image shown, which alignment theory has been selected within Surgeon Preferences'? ◦ Individualized alignment ◦ Kinematic alignment ✓ Mechanical alignment ◦ Constitutional alignment The user can edit the 'constitutional alignment' value within 'Tensioning.' ✓ T (Can change also in implant planning, initial assessment, and trialing) ◦ F The____value is calculated using tibial___ ✓ Medial Proximal Tibial Angle (MPTA), Constitutional Landmarks, determined by the patch landmark methodology ◦ Lateral Distal Femoral Angle (LDFA), Constitutional Landmarks, determined by the patch landmark methodology ◦ Medial Proximal Tibial Angle (MPTA), Resection Landmarks, determined by the patch landmark methodology ◦ Lateral Distal Femoral Angle (LDFA), Resection Landmarks, determined by the patch landmark methodology Medial and lateral slope landmarks influence the tibia coordinate system and computation of tibial 'Resection Landmarks.' ◦ T  ✓ F If the user opts for intra-incisional tibia bone pin placement, the MICS handle should be rotated____ (select most complete answer) ◦ 90° lateral or 45° lateral ◦ 45° medial, 45° lateral, or 90° lateral ◦ 45° medial or 45° lateral ✓ 90° medial, 90° lateral, or 45° lateral If the surgeon opts for intra-incisional tibia bone pin placement, the MPS should advise the surgeon to remove the tibial bone pins and array_____ ◦ after final implantation ◦ after stem drill / keel punch ◦ prior to trialing pose captures ✓ prior to stem drill / keel punch If the user prefers intra-incisional bone pins on the tibia, what consideration(s) should be made? ◦ No mentioned answer choices ◦ The narrow sawblade should be enabled in 'Surgeon Preferences' ◦ Extended boundaries are not acceptable ◦ All mentioned answer choices ✓ The surgeon must remove the clamp, array, and pins prior to stem drill/keel punch If the user selects intra-incisional tibia bone pin placement,____. ◦ the tibial checkpoint is not required ◦ the pelvic array can be used as the checkpoint ◦ the tibial checkpoint should be placed in the most lateral aspect of the incision, on hard bone, avoiding soft tissue, and in an easily reproducible place ✓ the tibial checkpoint placement remains the same as TKA 1.0 guidance Consider the following scenario: The surgeon user has selected 'constitutional alignment' as his/her preferred theory. The range is set to 3° varus to 3° valgus. The patient's constitutional was calculated to 5.1 varus. What would trigger a notification. ◦ Combined planned coronal alignment equaling 3° varus ◦ All mentioned answer choices ◦ Combined planned coronal alignment equaling 5° varus ◦ No mentioned answer choices ◦ Combined planned coronal alignment equaling 6° varus The 'tibia planning' notification will alert the user if: ◦ PCL resect is selected as the preferred stereotactic boundary ◦ The tibial implant placement impinges on the PCL ◦ All mentioned answer choices ◦ No mentioned answer choices ✓ The user 'added bone The 'femur planning' notification will alert the user if: ◦ The anterior femur is airballing ◦ The anterior femur is notching  ✓ All mentioned answer choices ◦ No mentioned answer choices ◦ The user added bone" In the image shown, which notification has been triggered on the main window? ◦ Tibia planning ◦ Femur planning ◦ No mentioned answer choices ✓ Laxity ◦ All mentioned answer choices In the image shown, which notification is displayed on the main window? ◦ Laxity ◦ Femur planning (alignment) ✓ Femur planning (resection) ◦ Alignment Consider the following scenario.: the computer generated ‘constitutional alignment’ value is 5.3° varus. The surgeon user’s the clinical assessment is that the patients constitutional alignment is 4.5°. You edited the value on the ‘implant planning’ page. The Mako Case information ‘aHKA’ value will read as 5.3° ✓ T ◦ F During Tensioning,' the user can capture laxity poses with the following option(s): ◦ Together and separate ◦ Separate (4 poses: two in extension and two in flexion) ✓ Together (two poses: one in extension and one in flexion) ◦ Together in extension and together or separate in flexion In the image shown, which workflow has the surgeon selected? ◦ 'Ligament balancing ◦ 'Pre-resection' ◦ 'Mid-resection' ◦ 'Measured resection' A____ will display if the limb's rotation toward or away from the system exceeds 5' while the limb is in flexion. This warning is only applicable in tensioning during the flexion pose due to the weight of the limb impacting ligament tension. This causes a force-input tensioning device. ◦ 'pose not capturable warming ◦ force table ✓ tilt icon ◦ 'Delta Laxity’ warning The user must press____ to save data within the force table. ◦ Capture ✓ Enter ◦ Numlock ◦ ESC The_____ warning is only applicable in 'Tensioning' during the____ pose due to the weight or the limb impacuing ligament tension; this can be witnessed while using a force input tensioning device ◦ velocity trap, flexion ✓ tilt, flexion ◦ velocity trap, extension ◦ tilt, extension Mako Park is required within TKA 2.0 to gain access to 'Bone Preparation. ◦ T ✓ F During Mako Park, written guidance on how to best position the Mako System will be displayed in the information box. ◦ T ✓ F It is recommended to____ while positioning the Mako System with Mako Park. ◦ Configure the robotic arm in 90-90-90 ◦ Initiate motorized alignment to configure the robotic arm in the 'Go-To' point position ◦ Configure the robotic arm in the optimal cutting position ✓ Holster the robotic arm Positive laxity values represent____ ◦ The user added bone' ✓ Gap space between the planned components ◦ Overlap of the planned components ◦ A tight joint In the image shown, what best describes the pose captures and the patient's deformity ◦ Valgus in extension, varus in flexion ◦ Varus knee in both extension and flexion ◦ Valgus knee in both extension and flexion ◦ Varus in extension, valgus in flexion The tibial coordinate system is defined by medial malleolus, lateral malleolus, rotational landmark and tibia knee center. ✓ T ◦ F While selecting CT landmarks, a warning will advise the user and clear the associated CT landmark if the user selects the lateral malleolus on the tibia. ◦ T ✓ F The anatomic axis of the femur will be displayed in which views) on the Implant Planning page if the preference is selected and Display axes' is enabled? ◦ Sagittal only ◦ Coronal only ✓ Coronal and sagittal ◦ Coronal, sagittal, and transverse While selecting the proximal shaft CT landmark, the crosshair should be below the lesser trochanter. ✓ T ◦ F What is the first step of capturing the medial slope tibial landmark? ◦ Align the green arrows such that the angle matches the patient's native slope ◦ Place the crosshair on the center of the lateral tibial plateau ✓ Place the crosshair on the center of the medial tibial plateau