Hassan AtassiMohamed OsmanNaziha Md Lazim

Azni Nabela WahidZul Zolkaffly

Senior Design 2009 – Group 10

Surgical RetractorUse in surgery to

create a working area

Average cost is $2k -5k

Multiple retractors needed during different times in a surgery

Standard design remains unchanged for past 80 years

Problems• Rising healthcare cost• Increase in patient population• Surgical inefficiencies• Sterilization time • Take a lot of space in operation room• Uncomfortable ergonomic design

Solution: Modular RetractorDetachable tips and changeable length for

different usage- Decrease cost Sterilization timeSave spaceIncrease efficiencySave time

Comfortable handle for surgeon

Gantt Chart

Design 1- ‘Bumps and Holes’

Design 2 – ‘Locking Mechanism’

Design 3 – ‘Buckle Mechanism’

Future workNarrow down fastener design

Virtual testingVirtual modelingSurgical consult

Design handle with lengthening mechanismStress/strain analysisPrototype