Traumastem FAM OcW

Sterile resorbable haemostatic cotton wool

Traumastem FAM OcW is sterile, resorbable cotton wool from the Traumastem haemostat family manufactured by Bioster for several decades. It is made from pure, natural cotton using controlled oxidation technology. The colour of the haemostat is white or yellowish with a distinct odour. Any discoloration that may occur over time does not affect their performance or function. Traumastem FAM OcW provides a fast and effective local haemostasis, usually within 2 minutes; however, the time needed to achieve haemostasis depends on the type of operation and the intensity of bleeding. In vitro studies that examined the effect of oxidized cellulose on dermal fibroblasts have shown that oxidized cellulose leads to the direct stimulation of fibroblast proliferation, significantly increasing their metabolic activity. The high adsorbing capacity and the large specific surface of oxidized natural cellulose (cotton) contribute considerably to the haemostasis process. Following contact with blood, oxidized cellulose transforms into adhesive gel, which protects platelets from being washed out from the wound, thus stopping the bleeding faster. The product minimizes perioperative and early postoperative blood losses and complications, has significant antimicrobial effects, helps accelerate biochemical processes, and supports the healing process. It is atraumatic and 100% resorbable in the body within 6–8 days from application without any side effects. The absorption capacity of the product depends on several factors, in particular the quantity of the product used, blood saturation level and the character of tissue. Product residues do not cause any adverse late irritation at the site of application. If Traumastem FAM OcW is used to achieve haemostasis near, inside or around bone openings, areas bounded by bone, spinal cord, or optic nerve or chiasm, it must be always removed when haemostasis has been achieved. Traumastem FAM OcW not only exhibits in vitro antimicrobial effects against the microorganisms below (tested per USP, Chap. 51), but also meets the requirement for in vitro bactericidal effect on all tested microorganisms:

Staphylococcus epidermidis (MRSE) Pseudomonas aeruginosa Staphylococcus aureus (MRSA) Escherichia coli Proteus vulgaris Enterococcus faecalis (VRE) Bacteroides fragilis Clostridium perfringens Klebsiella pneumoniae Candida albicans Aspergillus brasiliensis


Traumastem FAM OcW is a unique form of haemostatic – oxidized 100% cotton wool which can be used especially for treatments requiring tamponade or filling a cavity following the removal of a part of an organ. It can be used on all surfaces to stop capillary, venous, small arterial bleeding and is very suitable for application in poorly accessible areas, after tumour resections or tonsillectomy.

Contraindication: Heavy venous or arterial bleeding, despite its demonstrable antibacterial effect, Traumastem FAM OcW is not intended as a replacement for systematically applied therapeutic or prophylactic antimicrobial agents.

Composition: 100% oxidized cellulose

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2g 2 Traumastem FAM OcW not available

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