Simplified Negative Pressure Wound Therapy Device for Application in Low-Resource Settings.

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Simplified Negative Pressure Wound Therapy Device for Application in Low-Resource Settings.


JournalJournal of orthopaedic trauma
Publication date – Oct – 2015
Authors – Zurovcik, DR; Mody, GN; Riviello, R; Slocum, A
Keywordstnp, topical negative pressure, wound management
Open access – Yes
SpecialityEmergency surgery, Plastic surgery, Trauma and orthopaedic surgery
World region Caribbean
Country: Haiti
Language – English
Submitted to the One Surgery Index on July 1, 2018 at 12:00 am
Abstract:

Negative pressure wound therapy (NPWT) provides proven wound healing benefits and is often a desirable wound treatment methodology. Unfortunately, NPWT devices are not widely available in low-resource settings. To overcome the identified NPWT barriers, a simplified NPWT (sNPWT) system was designed and iteratively improved during field-based testing. The sNPWT technology, our device design iterations, and the design-based results of our field tests are described in this article. The sNPWT system includes a bellows hand pump, an occlusive drape, and a tube with tube connectors, connecting the drape to the pump. The most critical property of an sNPWT system is that it must be airtight. The details of the design iterations, which are needed to achieve an occlusive system, are explained. During the design process, the sNPWT system was tested during the earthquake relief in Haiti. This testing found that a liquid sealant was necessary to seal the drape to the periwound skin. A study conducted in Rwanda verified that a liquid latex sealant was safe to use, and that the tube connector must be connected to the drape with an airtight method during the manufacturing process. This work has shown that sNPWT is feasible in low-resource settings. Since the completion of the clinical testing, the design has been further evolved, and the developers are working with contract manufacturers to produce the final design and preparing for regulatory approval applications.

OSI Number – 10023
PMID – 26356213

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