SPO2 Clips Redesign (for kids)
Needs Statement
SPO2 Clips are used for measure the oxygen. Young kids can be resistant to with clips and SpO 2 probes. We want to make sure the device would stay on while the wriggle. It is common that the wire would be pull out or the kids are very resistant to the clips. I adjust the SPO2 device on market to let it fit kids' hands and their tastes.
Design Process
The design of the clip's shape is based on the structure of the bite. At first, there were several impressions of the clip, crocodile, hippopotamus, and whale. The mood boards show blue color, which gave the patient a quiet and peaceful atmosphere, so the whale was finally chosen, and the sponge pads that protect the fingers were designed as whale teeth, and the front teeth were left vacant according to the shape of the fingers. The final design was a whale with a leaky front tooth.
To keep wires secured, I designed a groove along the pathway of the wire. the wire can be placed inside the groove and child cannot grip the wire without any tool. Also the connector that connects the clip with the screen has a rotary lock. Rotation can prevent the wire from being pulling out.
To make the device more acceptable for child, the clip would be shaped like a whale with cute outfit. The teeth of the whale are actually soft sponges, which will not leave any uncomfortable experience.
Some FEA analysis for upper and bottom part of the clips are shown above under the condition of 25 N force pressing perpendicular to the hold plane. The safety factor is 1.24 for bottom and is 1.5 for upper respectively. LBM result shows total cost of 78 dollars each for large scale manufacturing.
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