Precise Injection of Dermal Filler using a Blunt-tip microcannula
Injection of Dermal Filler using Blunt-Tip Cannula
As we age, the process includes fat and bone loss in our face. Injection of the dermal filler in the face has become increasingly powerful procedure to rejuvenate and replenish the collagen loss. Due to risks of skin necrosis, intravascular injection of the filler and possibly blindness, more and more physicians and professionals are using a blunt-tip microcannula to inject the dermal filler.
Bunt-tip microcannula has shown to improve the safety of these procedures. Recently, FDA has approved injection of Restylane using microcannula for improved safety. Besides the fact of reducing the risk of bruising, intravascular injection, skin necrosis, it also allows a single entry point to be used to inject the dermal fillers.
Blunt-tip cannula have shown also to have more even and precise injection of the filler thus giving you a more natural appearance. More and more physicians are using the cannula especially in the tear trough, nasolabial and lip augmentations.
Knowledgable injectors use the anatomy of the face to inject fillers with a needle, yet even those procedure have shown some form of extrusion of the filler material into the vascular system. Micro-cannulas have reduced the risk of intravascular injection as the blunt-tip cannula can not piece or break the vein or artery.
Microcannulas are also flexible which can bend and change position, thus giving the injector the flexibility of dermal filler injection in a predictable and precise location of the face.
Studies show that patients experiences significantly less pain, bruising, swelling or complications with the use of microcannula, therefore, recover faster.
WHAT DOES TESTING SHOW?
The research performed compared Sharp Needles to Cannulas. During testing, researchers set out to inject cadavers to analyze the safety profiles of both injection techniques and precision of the injection. Injection of the dermal fillers with dye material at multiple aesthetic facial sites in deeper planes or supra-periosteom.
Dissected cadaver were analyzed for the measurement of dye and filler placement. The researchers discovered the non-traumatic cannula technique resulted in the product remaining confined at the precise location to the deep anatomic layers compared with the sharp needle technique where the material was found in various layers and extrusion of the dermal filler in a recessive direction along the path of the needle. to other areas. The sharp needle technique also showed a higher complication risk with intra-arterial injection occurring, even though the needle tip was positioned on the periosteum.