SORIEF

Thursday, 20 March 0780 00:00

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Introduction

Sorief is a biopolymeric composite wound dressing Film (NBF) which is fabricated by combining the natural/synthetic polymers. This bio composite film is as non- drug based.
In a subset of wounds that had not been responsive to prior treatment (injection and etc.), a decrease in wound size of 95% was observed after three weeks of treatment by NBF.

Design, function

The goal of this project is design a bio polymeric composite wound dresser in which no drug is used. In this approach, combination of natural polymer like chitosan, Gelatin, Collagen, and artificial polymer like polyvinyl alcohol is mixed with determinate percentages without using drug and using an automatic film applicator of thin film is covered in one face and then it is dried in room temperature and sterilized afterwards.
This dressing will be especially beneficial to patients who suffer from infected wounds (such as diabetic wound, cutaneous leishmaniasis wound and ….) by providing relief not only in the realm of pain management and of olfaction but also in improvements in cost and in overall treatment time.
Wound dressings based on NBF absorb aqueous fluids such as wound secretions quickly, and protect wounds from dirt and microbes, and promote rapid healing.
• NBF is a transparent adhesive wound dressing consisting of a wound contact layer of natural and synthetic polymer with or without backing layer which is impermeable to liquids and bacteria. On contact with a wound the films takes up the wound exudates whereby a gel is formed that ensures a moist wound environment. The gel layer prevents film from sticking to the wound.

Indications

•   Treatment of diabetic wound
•   Treatment of leishmaniasis
•   Treatment of 1st and 2st degree burns
•   Treatment of light to moderately exuding wounds
•   Stage I, II wounds with scant drainage.
•   Abrasions
•   Leg ulcers
•   Pressure ulcers
•   May be used on high-risk intact skin other dressing products as a cover dressing.
•   May be used in combination with other dressing.

Benefit

Properties of Ulsell as ideal wound dressing

Economical
   Safe (non-allergenic, non-toxic)
   Serializable
   Usable for moist wound
   Absorbs blood and exudates
   Permeable to oxygen
   Allows for relatively fewer dressing changes
   Allows for easy removal with no trauma to a wound
   Protects a wound from contamination
   Available in all forms and shapes
   Has long shelf life

Clinical evaluation

Clinical evaluation according to Annex X MDD, Clinical Data

According to EN ISO 14155-1/2:2003
Primary: estimation of the safety and performance: antibacterial behavior and effectiveness of hemostatic of multifunctional wound dressing for short term after use (1-14 days).
Date Prepared: October 2010.

Human study of a NBF
Some Examples are shown as the followings:

Burned Child