Ankle Alignment Device - School of...
Transcript of Ankle Alignment Device - School of...
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Ankle Alignment Device
Garrett Sauter BMETrey Kendall ME
Engineer Adviser: Dave MartinezOverseeing Adviser: Dr. William Devries
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Advisers
Dr. William DeVries- Orthopedic surgeon inClarksville, TN. Member of TennesseeOrthopedic Alliance and specializes in jointreplacement and sports medicine.
Dave Martinez- Engineering consultantemployed by Zimmer, a company thatmanufactures joint replacement and orthopedicsurgery products.
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Approximately 550,000 anklefractures occur in the USeach year.
TibiaMedial malleolus
Introduction
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Problems with the CurrentSolution
• Bone clamp– Holds fractured piece in
place while guide wire isput in place
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Current Solution
• Guide wires• Bone screws
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New Solution Requirements• Clamp securely affixes to tibia and holds
fractured piece in place• Device can be adjusted to align the guide
wires and screws• Spatial requirement- device must function
within the surgical envelope.• Easy to use• Sterilizable
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Design SolutionMaterial- Stainless steel has a yield strengthof 520MPa and can be easily sterilized.
Cost- Product will be reusable, target price is$100.
Size constraint- The product fullyuncompressed should not exceed 3 inchesand 3/4 inch wide
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CAD Design
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CAD Design
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CAD Design
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CAD Design
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CAD Design
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CAD Design
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CAD Design
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Project Goals
• To create an CAD model of the ankle alignmentdevice
• To create a functioning prototype of the device• To offer an alternative method to medial
malleolus plate and screw methods to affix thefractured segment to the tibia.
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Stakeholders
• Medical Device Companies• Orthopedic Surgeons• Patients
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Future Work
• Observe surgery• Finalize solution designs with project
mentors• Finalize CAD design• Construct working model