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Technical Brief

Design of a Debridement Device Using Impinging Jets1

[+] Author and Article Information
Ashley B. Raynal, N. Cathy Hogan, Ian W. Hunter

Department of Mechanical Engineering,
Massachusetts Institute of Technology,
Cambridge, MA 02139

DOI: 10.1115/1.4033763Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030938 (Aug 01, 2016) (2 pages) Paper No: MED-16-1089; doi: 10.1115/1.4033763 History: Received March 01, 2016; Revised March 17, 2016

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Figures

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Fig. 1

The two-nozzle device: (a) rendering of device, front view and (b) cross section showing internal water flow

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Fig. 2

The impinging jets causing atomization (a) and cross section of removed tissue (b). Translating the jets (c) would remove a strip of necrotic tissue (d).

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Fig. 3

The width of the necrotic tissue removed in a single strip with nozzle tips at 2 and 4 mm apart, 120 deg jet intersection

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Fig. 4

The simulated eschar after a single cut—box area (a)and after the competed debridement (b)

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