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Sponge Counting Method Development Group 13: Lanita Adams Advisor: Dr. Raul Guzman Sponge Dimensions Product Description Unit As Low As J&J Sterile Cotton Gauze Sponges, 2" x 2", 8 ply 100/bx 30 bx/cs $2.86 $85.80 J&J Sterile Cotton Gauze Sponges, 3" x 3", 12 ply 80/bx 30 bx/cs $3.99 $119.70 J&J Sterile Cotton Gauze Sponges, 4" x 4", 8 ply (bx) 100/bx 12 bx/cs $5.66 $67.92 J&J Sterile Cotton Gauze Sponges, 4" x 4", 12 ply (bx) 50/bx 24 bx/cs $3.45 $82.80 New Improved Design s s Sterilization Reconsideration •First idea was to use pipes •Decided to use plastic bags to make cleaning easier •Operator can just change bags and wipe down the machine Total cost of machine 1) 2) 3) 4) 5) 6) Bags (2) ~ $2.00/pack Dividing Rack(1) ~ $20.00 Garbage Can(1) ~ $15.00 Garbage Bag (1) ~ $3.00/pack Sensor Counter (2) ~ $50-300 Weighing Scales (2) ~ $20.00 General Technical Data Power Supply Power Consumption Voltage Drop Max. Switching Current Short circuit protection Overload Protection Reverse Polarity Protected Hysteresis Temperature Drift Ambient Temperature Protection Mode Detection of small objects 10-30VDC <- 40mA <2,5V 200 mA yes yes yes <5% <5% -10°C to+60°C IP 67 Continued Research •How many sponges typically used during surgery (large counts make device necessary) •Number of operations per year •Average number of sponges per operation Future Work • Contact Manufacturers about sensor counters • Determine total cost resulting from gossypiboma