Wound
is defined as a disruption in the continuous structure of the skin,
which may at times extend to internal layers lying deep below the
skin. Traditionally wound was defined as any bleeding of extremities
or vital organs visible from outside, modern science has currently
included the occurrence of internal wounds within the definition of
wound. The nature of a wound may vary from simple abrasion, to
complex tissue damage. Wound care is therefore often dependent upon
the nature of the wound and its location. In some cases wound area
needs to be understood in order to provide adequate care to the
region. This provides a basis for the application of wound dressing
in terms of material required and at the same time measures the
progression of wound healing process. Besides being a mandatory
practice to study the progress of wound healing, wound measurement
and regular tracking of wound size is integral in terms of insurance
coverage, litigation and reimbursement. Wound measurement devices
were initially surgical scales and rulers. These are now described as
simple devices and are considered as crude or inaccurate, although
they are still in use in many countries worldwide.
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Simple
devices use the concept of rectangular or quadrilateral area
(l*b*0.785) calculation measured with the help of conventional rulers
or scales. Another way to measure wound is by using a transparency
sheet to outline the area which can be later measured in an area grid
map. Complex devices are expensive and are more accurate in
comparison to simple devices. Complex devices include optical
instruments such as stereophotogrammeter (SPG) or structured lighting
to obtain wound images which can be later on rendered by a computer
to make a 3D image for further study and monitoring of the wound
care. Wound measurement devices are yet in the developing stages with
new innovations arising every year. However, common conclusion is
that novel complex technologies are better in monitoring progress and
examining the wound coverage area. Wound care has seen a great
quantum of development in the present ages with the assistance from
wound measurement devices. Hand held computers and smart phones are
now being integrated using both simple and complex techniques to get
a complete solution. Laser based wound terrain identification
technology is also under development that shall monitor real time 3D
image of the wound and its healing rate. The software program that
develops photo-digital planimetry with its PictZar Digital Planimetry
Program Software, a product of BioVisual Technologies, LLC, Elmwood
Park, NJ. It is capable to load in the surface area of the wound
without depending on a drawn perimeter.
The
global digital wound measurement devices market for the year 2013 saw
North American region lead the world with 40% to 50% of the world’s
wound measurement procedures carried out in the U.S alone, closely
followed by the European region. However the growth rate of the
Asia-Pacific market was observed to be higher than their North
American and European region counterparts, with sales expected to
grow at a significant rate. The growing geriatric population of
Japan, China, and India are also assisting the growth in the peaking
incidences of skin ulcers. However, the Middle East region has the
highest potential for growth as the world’s largest fraction of
diabetic population resides in countries such as Saudi Arabia, Kuwait
and Qatar.
Some
of the key players involved in the digital wound measurement devices
market include: Smith & Nephew PLC, Derma Sciences Ltd, Medline
Industries Inc. and others.
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