Accessible Infusion Pump User-Interface - Biomedical Engineering ...

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ControllerFigure2.3.25: ControllerThe signals sent by the control are received by the driver. The driver is mountedto the top of the box and positioned closely to the air intake holes so as tofacilitate its cooling. The wires it receives from the controller come in via aparallel port. Other wires are then sent to the molex six pin connector on thepumping unit to make pumping possible.95
Figure2.3.26: DriverTesting of the unit was limited to simulated testing as the subjects of design arefictional. The volume of the auditory output was confirm as adequate byplacing a person of normal hearing across the room and ensuring that theycould comprehend what was being said.The tactile controls were tested by ensuring that they were easily activatedwithout using the muscles that control the fingers or hand. The action fortriggering the buttons and joystick was entirely from the wrist. This ensures thateven a person with moderate arthritis of the hands could operate the controlsadequately.3 Realistic ConstraintsHuman factors are the key to design constraints for any medical device. Thefinal device itself, must be limited and designed with the patients and/or user inmind. Constraints in engineering, economics, environmental, sustainability,manufacturability, ethical, health and safety, social, and political limitationsmust all be considered in the final development of the medical device; such asan infusion pump user-interface, before implementation on the market.96
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e connected to the microprocessor r
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acket will be mounted directly to t
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Circuit ElementsThe physical link b
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Top Level MenuSetting infusionrates
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misdosages is reduced by forcing th
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Figure 2.1.2.7: Graphic User Interf
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Figure 2.1.3.2: Engineering drawing
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Figure 2.1.3.4: Labview-base Blackf
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Figure 2.2.1.1: Basic Circuit Desig
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Figure 2.2.2.1.2: LCD DimensionsTab
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Figure 2.2.2.2.2: Engineering drawi
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Figure 2.2.2.4.1: Rechargeable Lead
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It is important that operation of t
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Specifications (Note: dimensions in
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Figure 2.2.2.6.2: Bracket top view
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On the casing that will contain the
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Figure 2.2.2.6.9: Casing mounting b
Page 45 and 46: death. This makes the auditory outp
Page 47 and 48: Figure 2.2.2.8.1: Basic Circuit Des
Page 49 and 50: Figure 2.2.2.9.1: Display Screen Fl
Page 51 and 52: Audio Output: “Infusion Rate Inpu
Page 53 and 54: Audio Output: “Flow rate is” Ou
Page 55 and 56: Audio Output: “To start infusion,
Page 57 and 58: Audio Output: “Infusion Rate Inpu
Page 59 and 60: Audio Output: “Flow rate is” Ou
Page 61 and 62: Audio Output: “Infusion starting
Page 63 and 64: Figure 2.2.2.10.2: Labview-base Bla
Page 65 and 66: Figure 2.2.2.11.2: ABS Weld-On glue
Page 67 and 68: Figure 2.2.2.11.6: User Interface U
Page 69 and 70: Figure 2.2.2.12.1: Pump head assemb
Page 71 and 72: 2.2.2.13 Anaheim Automation PCL601
Page 73 and 74: Table 2.2.2.13.1: Specifications fo
Page 75 and 76: Figure 2.2.2.14.2 TM4500 dimensions
Page 77 and 78: The interface must also be evaluate
Page 79 and 80: Figure 2.3.3: Opening the Pumping U
Page 81 and 82: Figure 2.3.5: Back Panel Dismounted
Page 83 and 84: Figure 2.3.8: Connecting the Power
Page 85 and 86: The metal arm connecting the two mo
Page 87 and 88: Figure 2.3.13: Two of the Six Bolts
Page 89 and 90: LCD DisplayButtonJoystickFigure 2.3
Page 91 and 92: Figure 2.3.18: Charger and Female C
Page 93 and 94: BatteryFigure 2.3.21: BatteryFigure
Page 95: Figure 2.3.24: Pumping Unit Connect
Page 99 and 100: "strand” the user.• Give users
Page 101 and 102: surfaces and electric static discha
Page 103 and 104: through all necessary steps before
Page 105 and 106: Adding new components has brought w
Page 107 and 108: The next step was creating the all
Page 109 and 110: With the integration of a colored L
Page 111 and 112: http://www.metalsdepot.com/products
Page 113: 12 Appendix12.1 Updated Specificati
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