fingerswitch for bipolar forceps brent geiger brian schwartz nate gaeckle tom chia jason ethington...
TRANSCRIPT
Fingerswitch for Bipolar Fingerswitch for Bipolar ForcepsForceps
Brent GeigerBrent GeigerBrian SchwartzBrian SchwartzNate GaeckleNate Gaeckle
Tom ChiaTom ChiaJason EthingtonJason Ethington
Client: Dr. Behnam BadieClient: Dr. Behnam BadieAdvisor: Willis TompkinsAdvisor: Willis Tompkins
Problem StatementProblem Statement
Bipolar forceps used in neurosurgeryBipolar forceps used in neurosurgeryCurrent foot pedal system is tediousCurrent foot pedal system is tediousOur client wishes to replace footswitch Our client wishes to replace footswitch
with fingerswitchwith fingerswitchMore convenientMore convenientLess confusionLess confusion
Electrosurgical BackgroundElectrosurgical Background
Purpose of Purpose of electrocauteryelectrocautery
Used in many Used in many different medical different medical fieldsfields
Current technologyCurrent technology
Current EquipmentCurrent Equipment
Client RequirementsClient Requirements
Must retain the original function Must retain the original function Must not obstruct line of sightMust not obstruct line of sightSwitch must be smooth Switch must be smooth Easily depressible yet tactileEasily depressible yet tactile
Previous Design Team WorkPrevious Design Team Work
BME 200/300 - Fall 2001BME 200/300 - Fall 2001 Attached microswitch to the bipolar forcepsAttached microswitch to the bipolar forceps No Testing conductedNo Testing conducted
Current StandingCurrent Standing
Attached universal electrosurgical cordAttached universal electrosurgical cord Added temporary insulationAdded temporary insulation Lowered switch to improve line of sightLowered switch to improve line of sight
ModificationsModifications
Permanent InsulationPermanent InsulationTo protect surgeon from electrical shockTo protect surgeon from electrical shockTo protect circuitry from autoclave (175To protect circuitry from autoclave (175ooC, C,
steam)steam)
Silicone RubberSilicone RubberPros-withstands high temperatures, high Pros-withstands high temperatures, high
voltage resistancevoltage resistanceCons-expensiveCons-expensive
ModificationsModifications
Re-position the switchRe-position the switchSwitch is still too highSwitch is still too highAngle switch outward for comfortAngle switch outward for comfort
ModificationsModifications
Ergonomic ImprovementsErgonomic ImprovementsGroove for middle fingerGroove for middle finger
Improves ComfortImproves ComfortProvides stability while button is depressedProvides stability while button is depressed
Quick-release, disposable wires for Quick-release, disposable wires for forcepsforceps
Future GoalsFuture Goals
Locate electrosurgical unit for testingLocate electrosurgical unit for testingLet Dr. Badie test out the prototypeLet Dr. Badie test out the prototype Implement previously mentioned Implement previously mentioned
modificationsmodifications
Patent DisclosurePatent Disclosure
Client met with WARF Client met with WARF Submitted names and Submitted names and
all informationall information
Special ThanksSpecial Thanks
Willis TompkinsWillis TompkinsBehnam BadieBehnam BadieJeff SchowalterJeff SchowalterBurke O’NealBurke O’NealJohn WebsterJohn WebsterNick KortanNick KortanJeff FenneJeff Fenne