Varicose vein treatment has moved strongly toward minimally invasive procedures, shorter recovery time, and outpatient treatment models. Endovenous Laser Ablation Therapy, commonly known as EVLT or EVLA, is one of the most important technologies in this shift. It uses laser energy delivered through a catheter and fiber inside the diseased vein to close the vein from within.
For hospitals, vein clinics, aesthetic medical centers, and medical equipment distributors, EVLT is not only a clinical procedure. It is also a high-demand equipment category connected with vascular treatment, patient comfort, clinic efficiency, and long-term device investment. A reliable 1470nm diode laser system with suitable radial fiber can support precise vein closure while reducing thermal impact on surrounding tissue.
What are Varicose Veins?
The veins are blood vessels which carry blood back to the heart. Healthy veins contain small one way valves. The valves become weakened or damaged. Blood then travels back down the vein and fills up the vein. This causes the vein to enlarge and become twisted. The dilated vein can become raised under the skin.
Varicose veins most often appear in the legs because blood in the lower limbs must travel upward against gravity. When venous valves fail, blood pooling becomes more obvious in the calf and thigh area. The result may be visible blue or purple veins, leg heaviness, aching, swelling, and cosmetic concerns.
Symptoms
Varicose veins are often visible as twisted, bulging, cord-like structures under the skin. For some patients, the visible change is the main problem while for others, it can cause discomfort which limits their mobility in daily activities.
Les symptômes courants comprennent :
- Blue, purple, twisted, or enlarged veins
- Heavy or tired legs
- Aching, burning, or throbbing discomfort
- Itching around the affected vein
- Swelling in the ankle or lower leg
- Skin color changes near the vein
- Night cramps or restlessness in the legs
More advanced chronic venous disease can cause bleeding, hardened veins, skin inflammation and/or lesions typically near the ankle. Such conditions need to be evaluated by a qualified medical professional prior to treatment consideration.
What is Endovenous Laser Ablation Therapy EVLT?
Endovenous Laser Ablation Therapy is a minimally invasive treatment for suitable varicose veins. The procedure is usually performed under ultrasound guidance. A clinician inserts a catheter into the affected vein, guides a laser fiber into position, and delivers controlled laser energy along the vein wall.
The laser heats the inside of the vein. This thermal effect damages the diseased vein wall, causing the vein to shrink, collapse, and close. After closure, blood is redirected through healthier veins. Over time, the treated vein is gradually absorbed by the body and becomes less visible.
EVLT is typically applied to straighter segments of venous channels such as main trunks and larger tributaries.
- Great Saphenous Vein, GSV
- Small Saphenous Vein, SSV
- Anterior Accessory Saphenous Vein, AASV
- Selected significant tributary veins
For equipment buyers, the laser wavelength, output stability, fiber compatibility, energy control, and accessory package are essential parts of treatment performance.
How Does 1470nm EVLT Laser Treatment Work?
Newer EVLT systems, utilizing 1470nm diode laser energy, take advantage of the strong water absorption of this particular wavelength. The water in the vein wall as well as the blood within the vessel enables the 1470nm wavelength to deliver an efficient photothermal effect within the treated vessel.
One advantage of the radial fiber over earlier bare-fiber systems is that it delivers laser energy more evenly to surrounding areas of the vein wall. This emission pattern is distributed in a circular fashion which in turn reduces hot spots, controls the extent of vein closure, and minimizes the effects of heat dispersion to surrounding areas.
Ultrasound-Guided Vein Access
Start by localizing the target vein using ultrasound and determining its course. Utilizing ultrasound for catheter placement and fiber placement increases accuracy of the procedure and prevents unnecessary tissue trauma.
Catheter and Fiber Placement
A small puncture or incision is made to insert the catheter. The laser fiber is then advanced through the diseased vein using a 1470nm EVLT system. The fiber used is a 600μm radial fiber. This allows for controlled energy and also enables good negotiation of the vessel.
Laser Energy Delivery
The fiber is slowly withdrawn along the length of the vein, delivering laser energy to the vein wall as it goes. The treated section of vein contracts as the vessel lining shrinks. The closed off vein is no longer conducting faulty blood flow and blood is rerouted to healthier veins in the area.
Is EVLT Right for Suitable Patients?
EVLT is generally considered for patients with symptomatic varicose veins caused by venous reflux. It may be suitable when ultrasound confirms that a target vein is appropriate for catheter-based laser closure.
The procedure is often performed in a treatment room rather than a traditional operating room. Local anesthesia is commonly used, and the full procedure may take less than one hour in many clinical settings. After treatment, patients may be advised to wear compression stockings and return for follow-up ultrasound assessment.
Clinical Factors for Patient Selection
Medical evaluation should consider:
- Vein diameter and anatomy
- Location and severity of reflux
- Patient symptoms
- Skin condition
- Blood clot history
- Pregnancy status
- General vascular health
- Suitability for local anesthesia
- Risk of recurrence or complications
EVLT is a medical procedure and should be performed by a qualified health care provider within their respective licensed scope of practice. The procedure must comply with the regulations of the local jurisdiction and must be performed according to approved clinical protocols.
3 Advantages of EVLT
EVLT has become widely adopted because it addresses several limitations of traditional varicose vein surgery. For B2B equipment buyers, these advantages also explain why vein clinics and vascular departments continue to invest in diode laser platforms.
1. Only Takes About One Hour to Perform
EVLT is usually a short procedure. Many treatments can be completed in less than one hour, depending on the vein length, anatomy, operator technique, and clinic workflow.
A shorter procedure time supports higher clinic efficiency. It also helps clinics schedule more predictable treatment sessions. For distributors, this is an important selling point because clinic owners often evaluate new equipment by patient throughput, training requirements, and treatment room utilization.
2. Requires Just One Small Incision
Traditional vein stripping may require multiple incisions and more tissue disruption. EVLT typically needs only a small access point for catheter and fiber insertion.
This minimally invasive approach can reduce bleeding, scarring, and post-procedure discomfort. A 1470nm diode laser with radial fiber can further support controlled thermal delivery, helping the operator target the vein wall while limiting unnecessary effect on surrounding tissue.
For purchasing teams, fiber quality is critical. A durable 600μm radial fiber should provide stable energy transmission, flexibility, smooth handling, and reliable performance during the procedure.
3. Allows Fast Recovery and Normal Activity
EVLT usually does not require hospital admission. Many patients can return to normal light activities soon after the procedure, depending on physician guidance and patient condition.
Fast recovery supports patient satisfaction and clinic reputation. It also helps vein clinics position EVLT as a modern alternative to more invasive surgical options. For distributors, this clinical benefit can strengthen product education, sales presentations, and end-user training materials.
Accessories for EVLT and EVLA Treatment
A complete EVLT solution is more than just a laser generator. Also the accessories must be integrated easily in your clinical work.
Important accessories include:
- Fibre radiale
- Introducer catheter
- Fiber handpiece
- Protective eyewear
- Footswitch
- Treatment software
- Parameter presets
- Fiber connection system
- Training materials
1470nm Endolaser and 600μm Radial Fiber
The 1470nm endolaser is a widely accepted tool for water absorption. The 600μm radial fiber delivers energy in a circular pattern to the target area on the vein wall.
Key advantages of a 600μm radial fiber include:
- More even energy delivery
- Better control inside the target vein
- Flexible movement through the vessel
- Lower risk of focused hot spots
- Reliable performance during pullback
- Compatibility with standard EVLT workflow
For importers and distributors of fiber and related equipment, fiber availability and repeat-order supply are key business factors. Consumable accessories may also become important as additional post sales revenue.
FAQ
Why is radial fiber important in EVLT?
The Radial fiber distributes the laser energy in a circular pattern around the fiber allowing for more even heating of the vein wall, controlled closure and less localized hot spots than bare fiber.
Is EVLT equipment suitable for distributors?
The EVLT technology is suitable for distributors targeting the following customer groups: vein clinics, vascular surgery centers, hospitals, aesthetic medical centers and other rehabilitation related medical markets. A distributor needs to have strong after-sales service and a good supply of accessories in order to run a successful business in the long term.
Avec Arfur, a Hangzhou-based high-tech manufacturer and supplier of medical and aesthetic laser equipment, operates under Hangzhou Arfurla Science & Technology Co., Ltd., with expertise in R&D, production, marketing, and after-sales support. Arfurla has its own R&D department, own factory and provides services of OEM/ODM to worldwide distributors. Arfurla 980nm 1470nm Multifunction Medical 12 in 1 Diode Laser Machine is suitable for distributors, procurement teams, and medical equipment resellers. With a flexible design for EVLT/EVLA and many other medical treatments, the 12 functions 1 laser platform supports 3 wavelengths: 650nm, 980nm, and 1470nm. The EVLT function comes with 1470nm endolaser and 600μm radial fiber, ideal for varicose vein treatment. Medical equipment distributors looking for more technical information or other support regarding EVLT technology can also Contactez-nous at Arfurla for OEM/ODM cooperation quotation training and other long-term supply information.
