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Laparoscopic Banding Device

Laparoscopic Banding Device. Client: Dr. Thomas M. Julian, M.D. Advisor: Mitch Tyler Leader/BSAC: Gina Stuessy BWIG: Kailey Feyereisen Communications: Anna Moeller. Outline. Problem Statement Background Current Products Product Design Specifications Design Alternatives Decision Matrix

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Laparoscopic Banding Device

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  1. Laparoscopic Banding Device Client: Dr. Thomas M. Julian, M.D. Advisor: Mitch Tyler Leader/BSAC: Gina Stuessy BWIG: Kailey Feyereisen Communications: Anna Moeller

  2. Outline • Problem Statement • Background • Current Products • Product Design Specifications • Design Alternatives • Decision Matrix • Future Work

  3. Problem Statement • Our client would like us to design a laparoscopic banding device for tubal sterilization that is less cumbersome, traumatic, and inaccurate than the device he currently uses.

  4. Background • Tubal ligation is a permanent form of birth control in women • “Tubes Tied” • Eggs are prevented from reaching the uterus • Laparoscopic surgery • Procedure reversible, but difficult • One million performed a year

  5. Current Products • Procedures vary • Pomeroy, banding, clipping • Banding is good option because • Non-electrical • Easier to reverse • Product used is currently from ACMI • Falope Ring Band • Tears Tube • Fails to release rubber bands properly

  6. Tube is drawn inside of device with pinchers Rubber band is then pushed off the end and the tube is released

  7. Product Specifications • Single use • Sterile and inert • Accurate with a failure rate less than 20% • Less than $400 per device

  8. Suction grabs tube Fingers extend and band is secured on device Band is released when fingers close around tube Scrunchie Design

  9. Advantages Vacuum is less traumatic than current device Band releases more reliably Disadvantages Construction may be difficult which could lead to higher production costs Tubes may still be torn Scrunchie: Pros and Cons

  10. Pressure Cuff Design • Mechanism to grab the tube • Pressure cuff that inflates to larger volume • Puts pressure to pinch tube • Slides off rubber band with conical shape

  11. Advantages Gentler way of pinching tube Simple for rubber band to come off Fewer mechanical parts Disadvantages High pressure in cuff could be dangerous Cannot load multiple bands at once New handle for surgeon to learn Difficult to get the tube into the cuff Pressure Cuff: Pros and Cons

  12. Metal Coil Design • Stretched out memory metal coils • Positioned underneath fallopian tube • Released to coil around & pinch off tube

  13. Advantages Stress to fallopian tube is less Design simplicity Disadvantages Material may be less inert Method different from current product Metal Coil: Pros and Cons

  14. Decision Matrix

  15. Future Work • Discuss with client • Finalize the design • Decide internal mechanisms • Decide materials • Order materials • Construct prototype • Begin preliminary testing on non-human materials

  16. References • http://www.acmicorp.com/acmi/user/display.cfm • http://ccli.org/nfp/contraception/tubal.php • www.tubal-reversal.net • www.youtube.com

  17. Questions ?

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