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Manual Technique versus technique assisted by injection devices

Mesotherapy can be administered manually or with the assistance of injection devices. This again depends on the practitioner, his or her training and level of comfort with the technique. Manual injection offers the practitioner the advantage of full control over the delivery of medication and practice of mesotherapy with little or no investment in new equipment.

Mesotherapy can also be practiced with use of injection devices. Practitioners who use injection devices find that these devices offer significant benefits in rendering treatments less painful for patients, more comfortable for the practitioner, as well as adding precision and consistency to injections.

All About Mesoguns

Why use a mesogun?

The Patient's point of view

We will attempt to answer this question by looking at the treatment from the point of view of the patient and the practitioner.

Since patients always come first in medicine and their safety and comfort is the physician's number one priority we will look at the patient first. Probably the number one concern patients have when inquiring about mesotherapy is pain . When they first learn that the procedure may consist of 100 to 200 injections the next question is usually: How much is that going to hurt doctor?

In order to answer this question let us first review various factors that contribute to the patient's perception of pain. These include individual pain threshold, sensitivity of the treatment area, diameter or gauge of the needle, sharpness of the needle, speed of needle penetration, needle vibration at the time of puncture, skin stability at the time of puncture, the medication being injected and finally the speed of injection.

Among these factors, variables that can be affected by use of an injection gun are speed of needle penetration, needle vibration at the time of puncture and skin stability at the time of the puncture.

Skin stability

When performing injections manually usually there is some skin movement before the skin gives and allows the needle penetration. This is significantly reduced with an injection gun. Most injection guns come with a skin stabilizer which is typically mounted at the very tip or the nose of the gun. This usually consists of a plastic end piece that rests on the skin at the time of injection. This small addition helps to stabilize the skin and prevent movement at the time of injection therefore reducing the pain perceived by the patient.

Needle Vibration

Needle vibration at the time of injection typically depends on the physician's technique and hand stability. This also is considerably reduced with use of a mesogun.

To what extent? The answer of course is that it depends on the gun.

There is much less vibration with automatic mesotherapy guns compared to semi-automatic ones. This difference will be explained later. However a recent innovation in some injection guns which tremendously affects needle stability and therefore patient comfort is the needle-syringe separation . As implied by the term, this creative modification in some of the newer guns allows the needle to move without the syringe having to go back and forth. Although this may seem trivial, this creates much less inertia and force. Less mass movement not only allows the needle to be more stable at the time of skin puncture, but also causes less trauma to the skin at the time of penetration. For the patient this translates into less pain and less bruising and allows treatment of more sensitive areas such as the face or the scalp.

Speed of needle

The speed of needle is probably the variable that makes the most difference in patient pain perception. Of course the faster the needle penetrates the skin the less pain is perceived. This is probable one of the main reasons mesotherapists use an injection gun. This again is very variable among different guns. In semi-automatic devices the speed of the needle is directly controlled by the practitioner who needs to push the devices. In fully automated devices this step is controlled by the gun itself and tends to be much faster.

The Physicians point of view

Let's now consider the practitioner's point of view:

Of course physicians our concerned about all aspects of the procedure, but as far as the ease of technique itself is concerned, several factors were consistently mentioned in our discussions with physicians performing mesotherapy. These included wrist and hand fatigue, comfort while administering injections and consistency and accuracy from one injection to the next.

Fatigue

Fatigue was probably the number one concern among physicians performing a significant volume of mesotherapy. Practitioners commented that doing several treatments in one day could e quite demanding on the hand and wrist. We have found that automatic injectors alleviate this concern to a great degree. In fact some physicians who previously noticed blistering and callous formation in their palms noted complete resolution of the discomfort since they started using a mesogun. The reasons are simple. When using a mesotherapy gun, instead of needing to holding a syringe and needle in a tight grip while concentrating on administering dozens to hundreds of injections in a consistent desired manner, when using a mesogun the physician simply needs to press on the trigger (fully automatic injectors) or press on the trigger and push the device forward.

Comfort

In most devices the handle is ergonomically designed for added comfort.

Consistency and accuracy

When the procedure is performed manually consistency and accuracy from one injection to the next and from one treatment to the next depends on the mesotherapists skill level and experience. The mesotherapy gun takes this human factor out of the equation. Once the settings are adjusted as desired, most devices are designed to administer consistently the same amount of medication and at the same depth of penetration over and over and over again. Each device however is different in number of settings that can be adjusted in order to perform the procedure as desired. These settings include dose, rate, frequency and depth of injection. These need to be carefully considered before any injector is purchased

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