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Surgical Suture Delivery System

Surgical Suture Delivery System. By: Sarah Hembree, Ryan Ruehl, Matt Larson Project Advisor: Dr. Raul Guzman. Personnel in OR. Surgeon Anesthesiologist Scrub Nurse Circulating Nurse. Tasks of the Circulating Nurse Call family of patient

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Surgical Suture Delivery System

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  1. Surgical Suture Delivery System By: Sarah Hembree, Ryan Ruehl, Matt Larson Project Advisor: Dr. Raul Guzman

  2. Personnel in OR • Surgeon • Anesthesiologist • Scrub Nurse • Circulating Nurse • Tasks of the Circulating Nurse • Call family of patient • Obtains and sets up all instruments used during surgery • Documents entire surgery

  3. Project Justification • Cost Effective • Less TIME spent waiting in the operating room • Fewer sutures wasted • Reduced work load for the circulating nurse

  4. Project Goal • To design a device that delivers different types of sutures from their packages to the sterile environment of the operating table for use during surgery

  5. High maintenance Non-economical Can open all types Dispenses in a sterile manner Dr. Guzman’s Prototype

  6. Vacuum Method – it sucks Thermal Method – its hot Friction Method – no lubrication required Crimp Method – inspired by 80’s hair Cutting Method – sharp, very sharp Velcro Method – yeah velcro Electrostatic Method – its shocking Proposed Suture Package Separation Techniques

  7. SSDS Prototype

  8. The Sutures • Aluminum and plastic wrappers; up to 12 different manufactured types! • Requires up to 2 lbs of force to open up the non-sterile package

  9. Prototype: Suture Cassette • Holds 6 different types • Each compartment designed to hold 10-15 sutures • Spring tension keeps the sutures pressed against the outer wall • Rotated by a servo motor • Easy to refill

  10. Force Calculations Spring Constant calculated to be 58.37 N/m Sum of Forces of packet in cassette is 4.45 N Cf of Plexiglas is 0.21 Maximum force to remove suture from cassette is 0.9345 N.

  11. Vacuum Method Centrifugal Blower • 24 V Brushless Motor • Maximum Flow 50 CFM Courtesy of: http://calmip.cict.fr:8010/fluent/fluent5/tg/html/node235.htm

  12. SSDS Process

  13. Microprocessor Control • BASIC Stamp II • fully programmable I/O pins to directly interface TTL-level devices and connect to non-TTL devices • controls and processes input • controls timing and switching of motors and solenoids • controls display

  14. Future Work Continue building device Program the microprocessor Prepare for Final Poster Session

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