LV Prasad Eye Institute Simulations Project
LV Prasad Eye Institute
Simulations Project
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Innovation for Humanity
Project Steps
Data Collection
Probability Distributions
Students used historical data of patient arrivals – a Poisson distribution
Used historical data on service rate – exponential distribution
Clinic Resources
Clinic Resources
Clinic Registration Desks Optometrists Doctors Diagnostics Rooms Surgical Counselors
Glaucoma 2 12 2 4 4
Cornea 2 11 2 2 4
Cataract 2 12 2 2 4
Scheduled Glaucoma Patients
Glaucoma Scheduled Patient
Glauco Walk 0.2916666666666668 0.33333333333333331 0.37500000000000006 0.41666666666666707 0.45833333333333393 0.5 0.54166666666666696 0.58333333333333293 0.62500000000000011 0.66666666666666707 0.70833333333333304 0.75000000000000011 0.79166666666666696 0.17811032639816762 5.6797404084749008 16.2871998472991 15.020637526245471 14.367566329452186 12.012552013743084 10.508509257491889 10.409559076159574 10.013758350830312 6.76819240313037 2.0779538079786222 0.2968505439969461 5.9370108799389205E-2
Patient Arrival Rate (#/hr)
Walk-in Patients
Glaucoma Walk-In Patient
Glauco Walk 0.2916666666666668 0.33333333333333331 0.37500000000000006 0.41666666666666707 0.45833333333333393 0.5 0.54166666666666696 0.58333333333333293 0.62500000000000011 0.66666666666666707 0.70833333333333304 0.75000000000000011 0.79166666666666696 0 0.22800000000000001 1.4901428571428572 2.3695714285714291 2.3207142857142857 2.5242857142857145 1.7832857142857146 1.0422857142857145 0.78985714285714281 0.65142857142857169 0.33385714285714291 0.13028571428571425 1.6285714285714289E-2
Glaucoma Clinic Resource Utilization 1 1.5 2 0.25208229527507864 0.33689555967487933 0.40224133546458224 Optomologist 1 1.5 2 0.19781067651179651 0.24921842666037944 0.33595958110594548 Diagnosis 0.60091621784796578 0.80991920688272823 0.84480085781198389 Doctor 1 1.5 2 0.43859291903275627 0.55218468810684174 0.70733062685631731 Registration 1 1.5 2 0.49021416755709174 0.5905848188541224 0.78991219417239966 % Current Arrival
Utilization
Glaucoma Clinic
Results and Conclusions
Identified bottleneck in Glaucoma Clinic
Stage of construction where plans could be changed to increase Glaucoma stations.
This station became a bottleneck with >80% average utilization.
During peak hours this station created a large queue that was unable to be cleared by the end of the day which resulted in overtime being worked by the employees.
As a result, it would be necessary to increase the number of diagnosis stations with an additional two workers and diagnosis machines for every 50% increase in current patient population to avoid this bottleneck.
The registration counters also became a bottleneck once patient population increased to 200%, resulting in a large backup of patients which slowed the check-in process and the check-out process.
Dept.GapWait time rating
MinutesCountMinutesCountMinutes1 to 5
Cataract92.50 7.00 63.33 6.00 29.17 3.33
Contact Lens75.00 3.00 5.00 1.00 70.00 2.75
Cornea75.00 16.00 36.05 15.00 38.95 3.20
Glaucoma56.36 14.00 33.33 12.00 23.03 3.27
Oculoplasty40.00 2.00 10.00 1.00 30.00 4.50
Paediatrics78.75 7.00 40.00 3.00 38.75 3.43
Rehabs90.50 2.00 34.17 2.00 56.33 5.00
Retina52.50 20.00 25.00 19.00 27.50 2.84
Squint78.00 2.00 30.00 3.00 48.00 2.50
(blank)75.85 10.00 35.29 4.00 40.56 4.00
Grand Total71.23 83.00 35.69 66.00 35.54 3.30
Average of Wait time Average Expectation on wait time
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