TheChiemseeKneeReplacementClinic(CKRC)isasportscliniclocatedatthenorthernedgeoftheGermanAlps.ItspecializesinkneereplacementsforskierswhocometoCKRCfromGermany,Austria,Switzerland,andItaly.Thecliniccurrentlyhasoneoperatingroom(OR).However,sincetheclinichasdramaticallymoredemandthancapacity,themanagementteamcontemplatesinvestinginasecondOR.Aleanconsultingfirm,however,suggeststhatbeforegoingaheadwithinstallingnewcapacity,theclinicshouldfirstlookathowitusesitsexistingcapacity.Thedatacollectedbytheconsultingfirmrevealthat:-? TheORisavailablefor12hoursaday;thehospitalhasdecidedtonotperformanyproceduresbetween7pmand7am.Thistimeisequallydividedacrossthreesurgeons.-? Thestandardproceduretimeforthekneesurgerydoneattheclinicis1h.-? Thecleaningandhousekeepingthatneedstohappenaftereachproceduretakes20minutes.Almostallofthistimecouldbesavedifthecleaningcrewwerenotifiedearlieron.-? 10minutesarespentonpatientpreparation/anesthesiaworkbeforeeachprocedure.(Note:thisisnotpartofthe60-?minuteproceduretime).Proposalshavebeenevaluatedtomovethese10minutestooutsidetheOR,andthereexistsnomedicalreasonthatwouldprohibitdoingthis.-? Asurgeononlystartsacaseifalloftheworkassociatedwiththecase(preparation,procedure,andcleaning)canbecompletedinthe4hallottedtoeachsurgeon.SurgeonsneverstartBEFOREtheirallottedtime.-? Thoughtheclinicaimstooperate7daysaweek,holidays,vacation,andconstructiontimeleadtoanaverageofonedayaweekthattheORcannotbeusedatall.CKRC1.HowmanycasesaregoingthroughtheORperdaywhentheORisinuse?CKRC2.WhatistheOEEoftheoperatingroom?Assumea12hwindowinwhichtheORcouldbeused.
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