32 inventory throughput rate I R T In Vancouver general hospital there are 10

32 inventory throughput rate i r t in vancouver

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32 inventory throughput rate I = R * T
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In Vancouver general hospital, there are 10 births per day. 80% of the deliveries are easy and require mother and baby to stay for 2 days, 20% of the cases are more complicated and require a 5 day stay. What is the average occupancy of the department? Little’s Law: Example 1 Given two of the three measures, you can solve for the third: Little’s Law: Example 2 Patients waiting for an organ transplant are placed on a list until a suitable organ is available. We can think of this as a process. Why? 33 Pa;ents matched to donated organs INPUT PaOents in need of a transplant OUTPUTS PaOents leaving the list hopefully with a successful transplant
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Little’s Law: Example 3 Question (a) On average, there are 300 people waiting for an organ transplant On average, patients wait on the list for 3 years Assume that no patients die during the wait How many transplants are performed per year? 34 Question (b) On average, there are 300 people waiting for an organ transplant On average, 100 transplants are performed per year Assume that no patients die during the wait How long do patients stay on the list? Little’s Law: Example 3 Question (a) On average, there are 300 people waiting for an organ transplant On average, patients wait on the list for 3 years Assume that no patients die during the wait How many transplants are performed per year? 35 300 pa;ents ?? / year 3 years in system I = R * T Inventory I = 300 paOents Flow Time T = 3 years Throughput Rate R = I/T = 100 paOents / year
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Little’s Law: Example 3 36 Question (b) On average, there are 300 people waiting for an organ transplant On average, 100 transplants are performed per year Assume that no patients die during the wait How long do patients stay on the list? 300 pa;ents 100/year ??? years in system I = R * T Inventory I = 300 paOents Throughput R= 100 paOents/year Flow Time T = I/R = 3 years
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