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Many spas, cosmetic offices, and doctors offer dermal filler injection services to their patients. Each and everyone has their unique way of performing these procedures. Many of these offices, however, rely primarily on sharp tip dermal fillers. Many more are beginning to realize the many advantages of blunt tip Microcannula treatment. Even though the Microcannula technique is safer, effective, and less painful, doctors still use sharp-tipped needles. 

In this article, we dive into the advantages and disadvantages of both Sharp Tipped needles and Microcannula technique. We want to give you a clear understanding of why so many practitioners are switching over and why patients love them for it. Sharp tipped needles aren't all that bad, however, with a few advantages still. 

What Is The Microcannula Technique?

The Microcannula technique has reconstructed the cosmetic industry and offered doctors with a novel, innovative way of providing facial fillers injections. The approach allows physicians to slip the blunt tip cannula under the patient's skin sleekly and without tearing the epidermis. Patients looking to enhance their appearance can now do so without having to endure a painful procedure that has nasty side effects connected with sharp-tipped needles.

Essentially, microcannula is a modernized variant of the traditional hypodermic needles used to administer injection treatments. Rather than having a sharpened tip, this technique utilizes a dull end that makes an injection procedure much more pleasant. It has a bendable shaft, allowing it to move quickly compared to a traditional needle's stiffness that restricts it.

What's The Procedure?

Microcannula (Blunt Tipped Needle)

At the source of the filler injection using Microcannula, your Doctor creates a minute entry point in your skin using a precise, sharp needle. This is a vital step since the Microcannula has a blunt tip and is incapable of penetrating the skin by itself. The insertion location is minimal and does not cause substantial pain or bleeding. 

Then the Doctor skillfully inserts the Microcannula into the small opening and glides it under your skin to reach the sections of filler injection. The Microcannula then slides within the spaces connecting the tissue. It can be moved under the skin without any injuries to tissue. Patients typically do not feel much pain, if any, as the Doctor guides it under their skin.

Sharp Tipped Needle (Hypodermic Needle)

Sharp tip needles use a skinny, short, sharp needle to inject dermal fillers. Multiple injection points are required when using needles, which can increase the risk of hitting a vein. If a vein is hit with a needle, there's a higher chance of bruising after the procedure.

Is There Pain?

Microcannula

Using the Visual Analog Scale for pain assessment during the injections was quite different. The pain was described as 3 (mild) for injections with the microcannula. Patient discomfort is reduced to the level where topical anesthesia alone consistently suffices even for injection of the lips, and local nerve blocks are not necessary. 

Sharp Tipped

That pain level increased to 6 (moderate) for injections with the hypodermic needle. Bruising and ecchymosis were more marked following the use of the hypodermic needle.

What's The Recovery Time?

Microcannula and Hypodermic needles scored pretty close to each other. Overall, the Global Aesthetic Improvements Scale (GAIS) results were excellent (55%), moderate (35%), and somewhat improved (10%) one month after the procedure, decreasing to 23%, 44%, and 33%, respectively, at the six-month evaluation. There were no significant differences in the GAIS score between the microcannula and the hypodermic needle. However, pain during the recovery can be higher after the use of sharp-tipped needles.

Advantages of Microcannula and Sharp

Advantages of Microcannulas

Utilizing Microcannula for filler injection offers numerous advantages over hypodermic needles, such as:

  1. Accuracy: When using a blunt-tipped cannula, a Doctor can inject filler more accurately to achieve the desired results.
  2. Increased Visible Recovery: Sharp needles tend to cause tearing, which causes bruising and is hard to avoid. The blunt-tipped cannula technique reduces the chance of swelling and bruising, requiring minimum downtime.
  3. More dependable technique: -While a blunt tipped microcannula can enter an artery, it is important to be aware of regional anatomy. Both needles and microcannulas have a risk of vascular compromise, however it the the opinion of this author that it’s less with microcannulas. 
  4. Tremendous Flexibility: Due to its flexibility, the microcannula can perform filler injections in multiple locations from a single point of entry. Many areas regularly treated with fillers are cheeks, marionette lines, lips, temples, hands, nose, nasolabial folds, and the pre-jowl regions.
  5. Less risk of bleeding and bruising: Sharp needles can puncture veins and arteries below the skin, a blunt cannula will push them aside.
  6. One Point of Entry. Conventional needles are stiff and pierce deep within the skin. Microcannula, however, is flexible and possesses a blunt tip. Instead of piercing through the tissues, a cannula opens up a path between the skin. This method allows for less damage to occur to the inner tissue, which reduces bruises and pain.
  7. Minimal pain: Having many shots with sharp needles around the lips can feel painful and sore. Many people describe needle injections as bothersome, while patients who are injected through using a cannula describe the feeling as "pressure."

Advantages of Sharp Tipped Needle

Although the cannula method of injecting dermal fillers offers many benefits, there are still cases when sharp needles can be the right choice. When a minimal amount of filler for touchups are injected in small places like the cupid's bow of the upper lip or the temples, a needle is still the best option. 

Disadvantages of Microcannula and Sharp

Disadvantages of Microcannulas

 This study goes on to describe the potential of adverse effects. Of the 666 filler procedures using the microcannula technique, three treatments (0.5%) produced adverse events on the day of service, and during the two-week follow up 32 procedures (4.8%) produced adverse effects. In total, only 5.4% of treatments produced adverse events.

Cannulas may not be ideal for filling acne scars or injecting extremely fine lines located on the skin's superficial surface. Microcannulas, since they are blunt-tipped, cannot make their entry point, requiring the use of a sharp needle to start an entry point. 

Disadvantages of Hypodermic Needles

A risk concerning the sharp needle is not just penetrating the blood vessel but shooting the filler into it, leading to vascular occlusion. That can result in much more severe complications. Again, there are specific standards that practitioners take to ensure that this doesn't happen; however, it is something that must be acknowledged when using a needle.

Greater Pain. Using a sharp needle will create a lot of tissue, tearing only always. This tearing will cause pain for the patient and create a more unpleasant experience.

More Bruising. The needle won't slide easily and will cut veins and tear the tissue causing more bleeding, which will lead to bruising that takes a while to disappear. 

Less Predictable. It's difficult for practitioners to know exactly what the damage the needle will cause. 

When To Use Microcannulas

There are many benefits to using microcannulas in sensitive invasive procedures. Here are a few examples of where microcannulas becomes invaluable to Doctors.

Vascular Compression 

Technique matters greatly for evading vascular compression, but blunt tips make the probabilities of it happening much less possible. To stop unnecessary extrusion force when injecting fillers through blunt microcannulas that are invariably longer than the typical 13 mm to 19 mm sharp needles, a larger gauge is selected.

Ecchymosis 

The risk of penetrating a blood vessel with a correctly used blunt microcannula is significantly reduced. Chances of ecchymosis, which may be recorded in regions such as the nasojugal fold, the upper eyelid, and the pre-jowl sulcus. 

Collagenesis 

It has been suggested that a blunt microcannula multiple times through an area may stimulate collagenases. This theory is persuasive by extrapolation from the collagenases observed with repeated back-and-forth passage of cannulas during liposculpture. 

If you're a doctor who wants to purchase microcannulas, then stop by FACEMed's Store for all our available microcannulas. We carry multiple sizes to suit whatever your needs are.  

Where Can You Get Them?

As many cosmetic doctors and patients can attest, swapping the sharp needle for a blunt tip microcannula improves the outcomes of a procedure. The wide variety of microcannula choices has allowed doctors to perform both cosmetic and more invasive procedures harmlessly. The Microcannula technique is available in five different sizes. At FACE Medical Supply, you can find 18, 22, 25, 27, and 30 gauge microcannulas at various lengths. We sell high-quality microcannulas that will perform any filler injection task you need. The results show that microcannula injections are the future.

These microcannulas can be safely employed with a variety of cosmetic methods and fillers of any type and viscosity, including Lip augmentation, soft augmentation of the facial filling, plumping cheeks, wrinkle-reducing, plumping cheeks, reducing saggy skin and bags under the eye.

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Sources

L;, Fulton J;Caperton C;Weinkle S;Dewandre. "Filler Injections With the Blunt-Tip Microcannula." Journal of Drugs in Dermatology : JDD, U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/23135654/.

Loghem, van, et al. "Cannula Versus Sharp Needle for Placement of Soft Tissue Fillers: An Observational Cadaver Study." OUP Academic, Oxford University Press, 15 Dec. 2016, academic.oup.com/asj/article/38/1/73/2698769#110268380.

Why Do Physicians love Microcannulas?

Simply put? The clinical benefits. Benefits from blunt microcannulas include elimination or near elimination of the risks of accidental intravascular injection. An intravascular injection is an injury to vital neurovascular structures within the areas of injection. Many researchers agree that a blunt microcannula of 27 gauge or above is unlikely to puncture blood vessels or nerves if it is used with proper technique. A Microcannula will push tissue aside as it traverses the path of least resistance through the tissue. So what other benefits do Microcannulas have?

Vascular Compression 

Technique matters for avoiding vascular compression, but blunt tips make the chances of it happen far less likely. To prevent excessive extrusion force when injecting fillers through blunt microcannulas that are invariably longer than the typical 13 mm to 19 mm sharp needles, a larger gauge is selected.

In general, a microcannula of 27-gauge or larger diameter is used in place of a 30-gauge sharp needle, and a microcannula of 25 gauge or larger diameter in place of a 27-gauge sharp needle. The decreased extrusion force facilitates the increased flow of filler products that can cause the deposition of inappropriately large filler boluses if the injector is unused to the small volume micro-threading technique that is best suited to microcannulas. 

Ecchymosis 

The decreased or eliminated the risk of piercing a blood vessel with an appropriately used blunt microcannula compared to sharp needles results in a significantly reduced risk of ecchymosis, which may be particularly noted in regions such as the nasojugal fold, the upper eyelid, and the pre-jowl sulcus. In the researcher's experience, ecchymosis with blunt microcannulas is minimal and, for many patients, nonexistent.

If ecchymosis does occur, it may be at the insertion site of the sharp pilot needle, or in areas of increased tissue resistance if the microcannula is applied with inappropriate force. Increased tissue resistance may be due to fibrosis, in patients who have previously had face-lifting surgery or multiple injection sessions with collagen-stimulating volumizers such as PLLA. These situations may be considered relative contraindications to the use of blunt microcannulas.

Tolerability 

According to researchers, the tolerability of blunt microcannulas is equal to or greater than that of sharp needles. Patient discomfort is reduced to the level where topical anesthesia alone consistently suffices even for injection of the lips, and local nerve blocks are not necessary. There may be some discomfort during the injection, especially if a microcannula is passed multiple times through a zone of tissue fibrosis. Some patients dislike the noise of a blunt microcannula passing through tissue, and we recommend forewarning patients of this and playing music to provide auditory distraction during the injection procedure. 

Collagenesis 

It has been suggested that the back-and-forth passage of a blunt microcannula multiple times through an area may stimulate collagenesis. This theory is persuasive by extrapolation from the collagenesis observed with repeated back-and-forth passage of cannulas during liposculpture. However, the researchers note that collagenesis induced by liposculpture typically results from a much larger number of "tunneling" passes through the tissue than would be performed when injecting alloplastic fillers with microcannulas. 

If you're a doctor who wants to purchase microcannulas, then stop by FACEMed's Store for all our available microcannulas. We carry multiple sizes to suit whatever your needs are.  

Regardless of what the Doctor is using the utmost care should always be taken to ensure safety for the patient. 

Looking for something else? Shop our selection of other products such as our non-invasive and real-time Pulse Oximeter and Heart Rate Monitor today!

What is Microcannula?

A huge reason people avoid getting facial fillers is the fear that the needles used to inject the treatment will be too uncomfortable. Luckily we have microcannula. To make injection treatments less painful, physicians have devised a technique that takes the complexities out of facial filler procedures. 

Essentially, microcannula is an updated version of the traditional hypodermic needles used to administer injection treatments. Rather than having a sharp tip, this method uses a blunt end that makes your injection treatment much more comfortable. It's has a flexible shaft, allowing it to move quickly compared to the stiffness of a traditional needle.

What are the benefits of Microcannula?

  1. More Precious Maneuverability: A doctor will be able to perform the procedure more quickly and with minimal pain thanks to the advance maneuverability to avoid certain areas. 
  2. Minimal Risk of Damage: Conventional hypodermic sharp needles can damage small blood vessels, while this method all but cancels this risk.
  3. Less Downtime: There is typically only one insertion site when using microcannula, patients won't have to spend as much time recovering. 
  4. Less Tissue Damage: Patients often experience less bruising when using this method. This brings an added level of relaxation to patients knowing they won't have as much bruising.
  5. New Collagen: The design of microcannula is intended to stimulate the creation of fresh collagen to improve your facial volume.
  6. Fewer Side Effects: When facial injections are delivered using this method, patients are less likely to encounter side effects.

At the FaceMed store, you can find 18,22,25,27, and 30 size gauge microcannulas at various lengths. We sell high-quality microcannulas that will perform any filler injection task you need. The results show that microcannula injections are the future.

What Does a Procedure Look Like?

Maybe you have decided to get fillers, and now the question is what sort of fillers do you need. As the mid-face ages, it begins to sag because the skin gets a little looser, and the tissue has less support. This would be a sign that you're the right candidate for facial fillers to lift the sag and create a more youthful, renewed look. What's next? You make your appointment and then schedule your procedure. 

The physician first makes a small entry point in your skin using a fine needle. This is a crucial step since the Microcannula has a blunt tip and is unable to pierce into the skin on its own. The entry spot is very shallow and does not cause much pain or bleeding for patients. 

Then the doctor carefully inserts the Microcannula through the little opening they created with a sharp needle. 

The doctor then guides it under your skin to the sites of the intended injection. Along the way, the Microcannula gently slides through the between the tissues. The needle can be moved under the skin without causing any damage to the tissues and the patient most often do not feel any pain, only pressure, as the doctor moves it under their skin.

If a doctor was to fill under a patient's eyes, they make a small hole either next to the lip or over the cheekbone and move the needle in and up your cheek, under the skin. I know, it sounds scary, but because the one hole is the only site of injection, it closes within two hours and hurts less because it's anesthetized.

The Microcannula technique has transformed the cosmetic business and presented doctors with a unique, innovative way of offering facial fillers injections. The method enables doctors to slide the blunt tip cannula under the patient's skin smoothly and without ripping the epidermis. What this means is that patients looking to enhance their appearance can now do so without having to endure a painful procedure that has nasty side effects connected with sharp-tipped needles.

What Was The Alternative to Microcannulas?

Sharp Needles. Up until now, filler injections have been performed utilizing the hypodermic needle, a sharp-tipped tool that comes with several side effects. Since the point is sharp, inserting it into the skin creates a higher risk of cutting tiny blood vessels and producing harsh bruising. It's not common, but it worth mentioning that by injecting a filler solution into the vein – and inevitably into the bloodstream – the patient could undergo a more severe reaction.

Microcannulas establish an improved form of the conventional hypodermic sharp needle, designed to eliminate all possible complications associated with sharp tips. The secret lies in the blunt end that makes both the injection of dermal filler and fat transferal methods considerably more straightforward and less strenuous on the patient. Microcannulas used for filler injections are relatively new. What makes them popular with doctors is their easy to use, simple utility, great results, and patient satisfaction. This has transformed them into a popular choice throughout cosmetic clinics and spas.

What Are The Advantages of the Microcannula Technique?

The round tip, along with the flexibleness of the Microcannula technique, presents numerous benefits over conventional sharp needles:

As many cosmetic doctors and patients can prove, trading the sharp needle for a blunt tip microcannula dramatically increases the outcomes of a procedure. The wide assortment of microcannula choices has allowed doctors to perform both cosmetic and more invasive procedures safely. The Microcannula technique is available in five different sizes. At the FaceMed store, you can find 18,22,25,27, and 30 size gauge microcannula's at various lengths. We sell high-quality microcannulas that will perform any filler injection task you need. The results show that microcannula injections are the future.

These microcannulas can be safely employed with a variety of cosmetic methods and fillers of any type and viscosity, including Lip augmentation, soft augmentation of the facial filling, plumping cheeks, wrinkle-reducing, plumping cheeks, reducing saggy skin and bags under the eye.

Learn More about the benefits of Microcannula!

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