Laparoscopic Grasping Instrument by Lynn Murray Becky Jones Ann Sagstetter and Richard Bamberg Introduction Details of Laparoscopy Laparoscope thin telescope with light source Minimally invasive surgical technique Operations in abdomen or pelvic cavity Laparoscope inserted 5 10mm canula Side port 5 10mm for grasper Abdomen insufflated CO2 or N gas Introduction cont Why Laparoscopy Minimize blood loss Minimize post operative pain Expedite recovery time Less risk of complications A much smaller scar Background Problem at hand Clips restrain tissue from surgical procedure High pressure tissue closest to joint Phenomenon Tissue expelled trauma caused Design Objective Specifications Grasping instrument designed for internal use Minimize moving parts and safety hazards Equalize pressure across length of clip Device must be 5mm diameter Design 1 Design 2 Design 3 Design Matrix Cost Effectiveness 1 3 Even Pressure Distribution 1 10 Ease of Use by Surgeon 1 10 Feasibility Practicality of Design 1 10 Meets Design Specs 1 10 Safety 1 10 Total Design 1 3 3 8 7 8 5 34 Design 2 1 9 6 4 6 4 30 Design 3 2 7 8 6 9 8 40 Current Design 3 1 8 9 7 6 34 Elected Design Pressure evenly and effectively distributed Relatively easier to operate Functional with current design parameters Design requirements met Addresses main safety concerns Future Work Material research Mechanical design to connect current handle Prototyping possibilities Team Photo Credits http en wikipedia org wiki Laparoscopic surgery Surgical Device Poses a Rare but Serious Peril from the New York Times Registration required 2005 Laparoscopy in Urology Journal of Minimal Access Surgery 1 4 Intuitive Surgical Developer of robotic surgery machines
View Full Document
Unlocking...