ultrasonic probe manipulator
DESCRIPTION
Capstone Project, SP 2006. Ultrasonic Probe Manipulator. Department of Mechanical Engineering, IUPUI. Group:Chris Weisheim Tim Pommer Rishi Govalakrishnan Alan Koers Mentor: Dr. Jie Chen Sponsor: IU Medical School. Overview. Introduction Reason for Design - PowerPoint PPT PresentationTRANSCRIPT
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
Overview
Introduction Reason for Design Requirements of Design Targets Final Concept Product Demonstration Product Evaluation Impact Recommendations Question and Answer
Reason for Design
To develop a device for holding an ultrasound probe while conducting lithotripsy tests
Main Requirements
Hold probe against test specimen Meet space constraints Waterproof Controlled by external source
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
Final Concept
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
Concentric Ring Design
Controller
Software-driven controller Graphic interfaced software Runs on Windows OS Allows for easy control of
device Can make fine adjustments
easily and remotely
Evaluation
Prototype was evaluated: Against customer requirements Against engineering specifications With ANSYS for FEA
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
Impact
Safety Hands free manipulation
Environmental Bio-friendly
Society Aids in improving impacts of Lithotripsy experiments
on the blood flow in the kidneys
Recommendations
Future Work: Enhance controller Longer, less rigid flexible shafts Adjustable grip for different probe
sizes Enhanced locking mechanisms
QUESTION AND ANSWER