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

Burned Child

One week after using of NBF

Three weeks after using of NBF

 

Burned Man

One day after using of NBF

Eight weeks after using of NBF

Twelve weeks after using of NBF

 

A Traumatic Deep Wound

First day after debridement and covering by NBF

One week after covering with NBF

Three weeks after covering with NBF

Fourth weeks after covering with NBF

          

Diabetic Woman

 

  • Fifty-five years diabetic handicapped woman with untreated infectious wounds two months after faciatomy because of deep thrombotic both leg vein.

Start of Treatment:1.11.2008

  • Wound debridement and covering with NBF.

End of treatment: 27.12.2008

  • After 2 months, the patient had stood up without wheelchair.

 

 

Diabetic Woman (Right Leg)

First day  

Third days after use of NBF

Two weeks after use of NBF

Eight weeks after use of NBF

 

Diabetic Woman

Diabetic Woman (Left leg)

  • Fifty-five years diabetic handicapped woman with untreated infectious wounds two months after faciatomy because of deep thrombotic both leg vein.

Start of Treatment:1.11.2008

  • Wound debridement and covering with NBF.

End of treatment: 27.12.2008

  • After 2 months, the patient had stood up without wheelchair.

 

Diabetic Woman

Third days after use of NBF

Two weeks after use of NBF

Eight weeks after use of NBF

 

Diabetic Woman

One day after use of NBF

Four weeks after use of NBF

Eight weeks after use of NBF

 

Diabetic man

One day after use of NBF

Eight weeks after use of NBF

 

Woman with Leishmaniasis

First days after use of NBF

Six days after use of NBF

Four weeks after use of NBF

 

Woman with Leishmaniasis

First days after use of NBF

Three weeks after use of NBF

Six weeks after use of NBF

 

Woman with Leishmaniasis

First days after use of NBF

One week after use of NBF

Three weeks after use of NBF

 

Woman with Leishmaniasis

First day after covering with NBF

Three weeks after use of NBF

Twenty one days after covering with NBF

 

Woman with Scar Lesion of  Leishmaniasis

First day after covering with NBF

Fourth days after covering with NBF

Eight weeks after covering with NBF

Twelve weeks after covering with NBF

 

Woman with  Leishmaniasis

First day after covering with NBF

Sixth days after covering with NBF

Two weeks after covering with NBF

Three weeks after covering with NBF

 

Bowen Disease on External Ear

First day after covering with NBF

Third day after covering with NBF

Three weeks after covering with NBF

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Nojan Daroo Sandos

Nojan Daroo Sandos Co., Produces High-Technology Products in the Special Treatment of Acute and Chronic Wounds and Also Exclusive Representative of Biogena Austria, France Process for PRF, Swiss SunStar Companies in Iran.

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