I shared my thoughts with the students of MD University, Rohtak, India. I enjoyed giving it, hope the reader enjoys the presentation as well....
Thursday, June 21, 2012
Wednesday, June 6, 2012
Wound Closure – 3 emerging technologies to watch
There was a time when sutures were the only
product for closing wounds. Using sutures requires considerable skill, is time consuming
and painful. The search for easier to use technologies led to the development
of staples followed by tissue sealants. Innovations are constantly taking place
in this domain both by the key players and the smaller ones to identify new
solutions. I have tried to bring 3 most interesting technologies to watch in
wound closure domain.
1. Interlockers
DermaLOC uses a rack and pinion locking mechanism for
interlocking the edge of lacerations or incision. Once the device is secured,
the strips can be snipped off. After closure, DermaLOC can be released for the
evacuation of infected and non-infected fluid. DermaLOC can then be re-locked
when medically appropriate.
See the links below for more details.
Zipline
Medical’s PRELOC aligns the incision edges using the
adjustable ratcheting mechanisms. The device is easily removed by simply
peeling from skin.
See for details (http://www.ziplinemedical.com/)
Chinese company Sichuan
Lichen Medical & Pharmaceutical Technology product also uses ratcheting
mechanism for closing wounds.
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2. Zippers
ExoPatents
Marketing Ltd. - A zipper-type wound closer
attachable to the skin around a skin opening and zipped closed to pull the skin
opening closed.
See for details (US 7,591,835 & US 8,066,735)
HUMANITAS
HILFE FUER AFRIKA -Wound zip fastener for
attending to wounds, particularly in the area of fractures, intended both to
secure fast wound care for fractures with accompanying open wounds and to
splint the fracture, wherein the application does not have to be removed from
the wound during x-ray.
See for details (http://www.woundcloser.eu/; WO2010054776)
3. Closure patches
Wound closure device from a start-up
company Microkoll comprises a
flexible pad and an array of a plurality of microposts of shape memory material.
Proximal end of the device is configured to be secured to the substrate and a
tissue penetrating distal end. The posts have sharpened prongs protruding a
distance through the polymer sheet and configured to change shape when exposed
to different temperature levels.
Look US20110172760 for details.
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