Ultrasonic Probe Manipulator Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor:...
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Transcript of Ultrasonic Probe Manipulator Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor:...
![Page 1: Ultrasonic Probe Manipulator Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor: Dr. Jie Chen Sponsor: IU Medical School Department.](https://reader030.fdocuments.in/reader030/viewer/2022032705/56649dba5503460f94aaa699/html5/thumbnails/1.jpg)
Ultrasonic Probe Manipulator
Group: Chris WeisheimTim PommerRishi GovalakrishnanAlan Koers
Mentor: Dr. Jie Chen
Sponsor: IU Medical School
Department of Mechanical Engineering, IUPUI
Capstone Project, SP 2006
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Overview
Introduction Reason for Design Requirements of Design Targets Final Concept Product Demonstration Product Evaluation Impact Recommendations Question and Answer
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Reason for Design
To develop a device for holding an ultrasound probe while conducting lithotripsy tests
![Page 4: Ultrasonic Probe Manipulator Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor: Dr. Jie Chen Sponsor: IU Medical School Department.](https://reader030.fdocuments.in/reader030/viewer/2022032705/56649dba5503460f94aaa699/html5/thumbnails/4.jpg)
Main Requirements
Hold probe against test specimen Meet space constraints Waterproof Controlled by external source
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Targets
Engineering Specifications Units D.o.I. Target
Range of vertical movement of hand in ↑ 0.5
Resolution of rotational movement of hand deg ↓ 2
Range of lateral movement in ↑ 0.5
Total Cost $ ↓ 5000
Base Mounting Configurations # ↑ 2
Motor Power oz-in ↑ 50
Time of Set Up Min ↓ 5
# of tools for adjustments # ↓ 1
Range of angular movement of hand deg ↑ 20
Time Between Maintenance. Days ↑ 30
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Final Concept
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Threaded Rod
Arm/Hub
O.R. Shoulder Bolt
Bracket
Rod
Threaded Bolt
Anchor
O.R. Bearing
Outer Ring I.R. Threaded Insert
Inner Ring
C.A.D. Assembly Components
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Concentric Ring Design
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Controller
Software-driven controller Graphic interfaced software Runs on Windows OS Allows for easy control of
device Can make fine adjustments
easily and remotely
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Evaluation
Prototype was evaluated: Against customer requirements Against engineering specifications With ANSYS for FEA
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Product Evaluation
Engineering Specifications Units D.o.I. Target ActualTarget
Met
Range of vertical movement of hand in ↑ 0.5 4
Resolution of rotational movement of hand deg ↓ 2 1
Range of lateral movement in ↑ 0.5 2
Total Cost $ ↓ 5000 1300
Base Mounting Configurations # ↑ 2 1 X
Motor Power oz-in ↑ 50 76
Time of Set Up Min ↓ 5 5
# of tools for adjustments # ↓ 1 4 X
Range of angular movement of hand deg ↑ 20 30
Time Between Maintenance Days ↑ 30 30
![Page 12: Ultrasonic Probe Manipulator Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor: Dr. Jie Chen Sponsor: IU Medical School Department.](https://reader030.fdocuments.in/reader030/viewer/2022032705/56649dba5503460f94aaa699/html5/thumbnails/12.jpg)
Impact
Safety Hands free manipulation
Environmental Bio-friendly
Society Aids in improving impacts of Lithotripsy experiments
on the blood flow in the kidneys
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Recommendations
Future Work: Enhance controller Longer, less rigid flexible shafts Adjustable grip for different probe
sizes Enhanced locking mechanisms
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QUESTION AND ANSWER