What is ND YAG Laser Machine?
ND YAG Laser Machine is the abbreviation of Neodymium-doped Yttrium Aluminum Garnet laser machine. Yttrium aluminum garnet crystal is its active material, and the content of Nd atoms in the bulk crystal is 0.6-1.1%, which belongs to the solid-state laser. It can excite pulsed laser or continuous laser, and the emitted laser is an infrared wavelength of 1064nm. The laser with a wavelength of 1064nm passes through the epidermis and enters the dermis. It is selectively absorbed by melanin particles in hair and hair follicles, resulting in a photothermal effect. The heat energy in the hair is conducted to the surroundings. Completely destroy the "hair roots" such as hair follicles and stem cells, resulting in permanent hair removal. The normal tissue around the hair follicle does not contain melanin particles. Therefore, this kind of laser light is not absorbed, so the effect is minimal and generally does not cause scars.
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Who cannot be treated by ND YAG Laser Machine
a. Previous allergic reactions to laser light.
c.Post Natal Breast Feeding
d. Auto-immune diseases such as Lupus
e. Any immunosuppressive therapy
f. HIV or Hepatitis infection
g.Acute or Chronic Renal Failure
h.Previous Keloid scar formation
i. Previous skin pigmentation problems as a result of laser treatment
j. Bleeding disorders
k. Psoriasis or Viteligo
l. Anti-coagulant therapy (with the exception of low dose [75mg/day] Aspirin)
m. Diabetes (Type1)
n.Rheumatoid Arthritis treated with “Gold” injections
o. Treatment with Accutane within the last six months
p. Implant surgery (including Pacemakers) at the site of proposed treatment.
q. Patients who used other hair removal methods within 6 weeks, such as waxing.
What do you need to do before and after using ND YAG Laser Machine?
Before treatment of hair removal. clean the skin and cut hair for shorter, stay out 2-3mm long for the treatment part.
Use the appropriate treatment parameters based on the patient's condition.
Keep observing the skin before treatment and after the hair removal treatment.
Spread Antibiotic Ointment after treatment of ND YAG Laser Machine.
Protects from excessive exposure to the sun after treatment.
lt needs a cold compress or cold spray if the treatment part becomes obvious swelling and red after treatment of hair removal.
Use a steroid to treat the skin over the face to avoid thinned skin after surgery.
Use Cold Pack to cool down the treatment area to avoid flushing and blistering.
How to adjust the parameters of ND YAG Laser Machine?
Parameters setup is normally based on patient's skin reaction and feeling, and follow the standard to adjust the parameters from lower to higher. It is mainly based on patient's skin reaction; doctor can observe hair follicle coming out if wiping the treated tissue slightly with disinfect . The tiny red blood veins will shrink and change into purple color after treatment. If patient can bear current energy and frequency parameter, it is suggested to increase the parameters accordingly, otherwise lower the parameters, keep observing skin just action parameter accordingly.