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Medicine Dosing Device

Module by: Allison Lipper. E-mail the author

Summary: Bioengineering design students developed a medicine dosing device, a pump that can fit on most medication bottles and can be set to deliver a specific amount of medication.

Global Health Challenge

At the end of 2006 an estimated 2.3 million children were living with HIV/AIDS; 2 million of them were in sub-Saharan Africa. A significant problem in effectively treating pediatric AIDS patients in Africa is that the liquid anti-retroviral medications for young children are must be custom dosed based on the patient’s weight. To be safe and effective, a precise dose must be drawn up in a syringe and given consistently. Many children are cared for by elderly grandparents who may be illiterate, have poor eyesight, have poor manual dexterity, or lack understanding of why the correct dosage is important. These adults are often unable to accurately adhere to the complicated medicine dosing instructions. Thus, children do not always receive the optimal dose of medication, which can lead to medication resistance.

Appropriate Solution

Figure 1: “I brought it with me to Malawi and am showing it to the doctors here… Dr. Jean thinks it’s a really great idea.” Kim Bennett, Team Mongoose and BTB international intern
Medicine Dosing Device
A device that is long and cylindrical with perpendicular handle at the top.

To address this issue, a bioengineering senior design team, in collaboration with the Baylor International Pediatric AIDS Initiative (BIPAI), designed the Medicine Dosing Device, a pump that fits on most medication bottles and can be set to deliver a specific amount of medication. The clinician can change the dosage by .5 ml increments by adding or removing spacers located in the pump. Initial device testing was conducted in the U.S. to asses the ease of use in the elderly population. A prototype version of the pump was field tested in Malawi by a team supported by Beyond Traditional Borders. The design team was guided and mentored by Dr. Maria Oden, Dr. Gordon Schutze, Dr. Catherine Ambrose, and Dr. Mark Kline.

Current Status

Recent field tests conducted in Malawi yielded extremely positive results. The most resounding question was: “When will it be available?” We are improving the design based on the feedback received from the field. Patent applications for this device have been filed. Options for commercializing this device are being explored.

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Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

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What are tags? tag icon

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