How
does Dermabond Work?
Dermabond
is composed of 2-octyl cyanoacrylate which is to be used as a topical skin
adhesive. Unlike other formulations of cyanoacrylate which need to be injected
onto the wound edges, use of cyanoacrylate in the form of Dermabond Propen
allows it to be applied to the skin surface after keeping the wound edges
approximated together. It is important that there should be no or very minimal
tension on the wound edges to allow Dermabond to act as adhesive. High
Viscosity Dermabond adhesive is six times thicker than the original Dermabond
adhesive. The viscosity of the original Dermabond adhesive is slightly greater
than water, while High Viscosity Dermabond adhesive has a syrup-like viscosity.
Advantages
Of Dermabond Propen And How Does It Compare To Sutures?
Dermabond skin adhesive when used to
approximate edges of skin incisions, gives an extremely good cosmetic result.
The only pre-requisite is that skin edges should not be under any tension; else
they will separate away from each other during the application of Dermabond,
allowing the liquid to enter deeper tissues. Using Dermabond Propen makes the
application of Dermabond simpler than using the vial as the ability to hold the
applicator like a pen makes it easy to apply the adhesive over the skin.
It is necessary that sutures be taken in
the subdermal region of the wound to keep the skin edges close to each other
and allow good sealing with Dermabond. Without these sutures the wound is
likely to gape after application of Dermabond. When Ethilon or other suture
materials are used to close skin incisions, the entry and exit points leave
scars like alternating spots outside of the scar. Use of Dermabond does not
have this problem and leaves a seamless scar in 10-14 days.
Tips
On Using Surgical Supplies And Ethicon Dermabond Propen And Method Of Use:
Dermabond is supplied in a vial of 0.5
ml of violet coloured liquid. This vial is positioned inside the Dermabond
Propen for use. Initially the skin is patted dry with a mop or gauze piece.
Dermabond hardens up quicker when used on wet surfaces and in the presence of
disinfectants like alcohol. The skin edges are apposed to each other with
gloved fingers or forceps and the vial inside the pen is then broken by
squeezing the soft rubber part. Dermabond has to be used immediately after
breaking the vial since the liquid starts to harden. The Dermabond Propen is
then used to spread 2 thin layers of the adhesive liquid over the apposed skin
edges, leaving 30 seconds time in between the 2 applications. The skin edges
are then held together for 60 seconds till the liquid polymerizes. Complete
polymerization takes up to 5 minutes. If a dry dressing is to be placed above
the Dermabond layer, it should be done after this period to avoid the dressing sticking
to the wound.
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