collafleece® - effective, resorbable soft tissue sponge

collafleece®

Resorbable collagen sponge
collafleece® is a wet-stable, porcine collagen sponge with highly efficient hemostatic properties. The well-known effect of collagen is induced by the adhesion of platelets to the collagen fibrils.
  • Protection and hemostatic treatment of minor oral wounds
  • Portection of the Schneiderian membrane
  • Covering of biopsy or transplant harvesting sites
  • Protection and hemostatic treatment after tooth extraction

Shaping

The collafleece® can be cut to the required size with a pair of scissors before application onto the wound or insertion into the wound. Should greater amounts of fleece be required for haemostasis, the excess material must be removed before the wound is closed. Over-packing the wound with collagen should be avoided.

Fixation

Fixation of the collafleece® by sutures or pins is not possible, but also not needed. After shaping, the fleece is carefully pressed onto the wound site with a clamp or a pair of tweezers until the fibrin ensures adhesion of the fleece to the wound site. An indirect fixation by cross- or holding sutures could help to keep the fleece in place when applied in extraction sockets or soft tissue harvesting sites.

Exposure

In case of a dehiscence the wound heals without complications by granulation tissue formation and free contraction. The main problem of an exposure of a collagen membrane is its fast bacterial resorption resulting in loss of the barrier function. As the intention of collafleece® and collacone® is not providing a barrier but supporting wound healing and hemostasis, fast resorption in case of open healing is not a problem. Application of a collafleece® on top of a barrier membrane is recommended in unstable soft tissue situations, or for protection of the wound healing area if a wound dehiscence is expected to occur (soaked with antibiotics, where applicable).

Rehydration

Generally, the collafleece® is applied dry, because soaking or moistening the fleece prior to implantation may impair its haemostatic properties. The collafleece® soaks up blood rapidly at the defect site.

  • Highly efficient hemostatic collagen
  • Fast resorption by enzymatic degradation (2-4 weeks)
  • Easy application
  • Maintains integrity in the presence of blood and during application
  • Wound protection/wound healing
Sinus lift one-stage with maxresorb® inject
Sinus lift one-stage with maxresorb® inject
collafleece® - highly effective, resorbable soft tissue sponge
collafleece® - highly effective, resorbable soft tissue sponge

After adhesion to the collagen fibrils, platelets aggregate and release coagulation factors by degranulation. This initiates the coagulation cascade that leads to hemostasis. Due to its hemostatic properties, collafleece®  promotes the formation and stabilization of the blood coagulum and can be applied for wound protection and to support wound healing (i.e. biopsy harvesting sites, coverage of augmentation sites). collafleece® is completely resorbed by the body’s own processes within two to four weeks.

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