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Flexible Stabilization Arm for Ultrasound Probes BME 273 Oral Report

Flexible Stabilization Arm for Ultrasound Probes BME 273 Oral Report. Group 7: Brian Moraguez Ashley Morgan Ryan Murphy Mentors: Rajnish Gupta Eric Briggs. Problem Statement.

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Flexible Stabilization Arm for Ultrasound Probes BME 273 Oral Report

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  1. Flexible Stabilization Arm for Ultrasound ProbesBME 273 Oral Report Group 7: Brian Moraguez Ashley Morgan Ryan Murphy Mentors: Rajnish Gupta Eric Briggs

  2. Problem Statement • Localized pain management surgeries require the use of three hands: one to insert a needle next to the nerve, one to hold an ultrasound probe, and one to thread the catheter. • This procedure requires the use of an additional assistant to lend the extra hand. • This increases the risk of contamination and the costs of the procedure

  3. Objectives • 1- To research existing technologies in flexible stabilization arms and adapt a new idea around these existing one. • 2 - To design a flexible arm with interlocking and flexible joints for use with ultrasound probes to aid in surgery • 3 -To produce a working prototype for future modification and development

  4. Design Requirements • Flexible and movable arm with little resistance when out of tension. • When in tension, the arm must be rigid enough to resist movement. • Light weight • Durable • Accurate and Precise

  5. Current designs on market • Gorilla Pod • Too much flexibility when rigid • Locking arm for organ manipulator (patent US 6,730,020 B2)

  6. Cost benefit • Nurse - $30/hour = $30/one hour surgery • 150 surgeries/year = $4,500 nurses salary • OR room = $1500/hour • Trying to cut procedure time down • Approximate arm cost goal ≤ $1000

  7. Design Solution

  8. Current Work • Built prototype flex arm • Working on alternate handle design solution • Testing the first flex arm design to determine force necessary to maintain rigidity in flex arm • Assessing issues with current design • Integrating a dial to apply tension vs. spring mechanism

  9. Flex arm in rigid position

  10. Testing tension

  11. Future Work • Construct prototype handle • Machine shop • Need to measure force required to move the rigid arm out of position while under tension • Build mounting base for the arm to attach to the handle • Work with mentor to get funding • Reinforce testing apparatus • Remodel links

  12. Gantt Chart

  13. References • "M-TRAC Mechanical Holding Arm." AESCULAP. Braun. Web. 2 Dec. 2010. <http://www.aesculapusa.com/default.aspx?pageid=910>. • Bowens, C., R. K. Gupta, W. Y. O'Bryne, J. S. Schildcrout, Y. Shi, J. J. Hawkins, D. R. Michaels, and J. M. Berry. "Selective Local Anesthetic Placement Using Ultrasound Guidance and Neurostimulation for Infraclavicular Brachial Plexus Block." AnesthAnalg. 5th ser. 1.110 (2010): 1480-485. • Gupta, Rajnish. "Utilizing a Heads up Display (HUD) Unit Can Improve Hand-eye Coordination When Performing Ultrasound Guided Regional Anesthesia." RegAnesth Pain Med 88 (2010).

  14. Questions?

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