Design of an Oxygen Tube Winding Device

Photo of Jack Coble, Kartik Jain(Team Leader), Matt Justiss Students: Jack Coble, Kartik Jain(Team Leader), Matt Justiss

Sponsor: Bohemian Innovation

Date: Spring 2011

Requirements:
Requirements for a successful device include storing 25 feet of non-kink oxygen tubing. The device must also be able to mount securely to multiple surfaces including hospital beds and wheelchairs. Because of the limited space within these environments the overall volume of the device must be minimized. In addition to all other requirements, the device must be aesthetically pleasing.

Problem:
The mobility of patients requiring medical oxygen is limited by the tubing attached to their oxygen source. Tangling and kinking of the tubing can restrict the flow of oxygen or become an extreme nuisance in everyday use. The team designed a device that can mount securely while intelligently storing, winding, and unwinding oxygen tubing to provide a user with better short range mobility.

Solution:
The team produced a physical prototype composed of a storage spool driven by constant force springs. A locking mechanism is used to lock the spool every full rotation, relieving the user of any force felt from the static system. With the use of a one-way ball bearing, a damper engages only during winding and slows the speed of the retracting tubing. In addition, an external mounting device uses clamps and dense foam to secure around various shaped surfaces.

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Photo related to Design of an Oxygen Tube Winding Device project
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