Fiber for Varicose Veins JMQZ-01
Fibers for varicose-vein treatment are used in Endovenous Laser Treatment (EVLT), performed under local anesthesia with no surgical scars, less pain, and shorter recovery. Varicose veins commonly appear as dilated, twisted, raised leg veins. Inserted fibers apply heat to close abnormal veins and reduce symptoms/appearance. Small fibers deliver infrared laser light inside veins, boiling blood into steam bubbles whose volume directly relates to energy. Extensive endothelial/intimal thermal injury induces thrombosis along the vein and eventual occlusion. Low-intensity lasers are defined as causing biostimulation without directly inflicting irreversible target injury. The source states that they promote tissue normalization and strengthen vital activity without damage. Compared with catheter-delivered sclerosants, electrocoagulation, or radiofrequency, EVLT delivers energy through small flexible fibers via puncture. Shallow penetration is described as reducing surrounding injury compared with purely thermal energy sources. 1. Ultrasound locates affected veins. 2. Under local anesthesia, a thin fiber enters through a small incision and catheter. 3. A laser emits a wavelength absorbed by vein walls and converted to heat. 4. Slowly withdrawing the fiber thermally coagulates the wall, closing the vein for eventual absorption. Overall, fibers deliver enough heat to close unhealthy veins, described as a relatively new, very effective method increasingly favored as technology advances.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Fiber core diameter | 150 μm |
| Cladding Diameter | 180 μm |
| Coating Diameter | 200 μm |
| Buffer diameter | 350 μm |
| Length | 2.5M/3M |
| Termination type | SMA905 |
| Numerical Aperture (NA) | 0.22 |
| Core Material | Pure silica material |
| Fiber cladding material | Fluorine-doped silica material |
| Coating Material | Acrylic resin |
| Buffer material | Teflon |
| Buffer color | Blue/green/black/white |
| Operating Temperature | -40℃~150ºC |
| Transmission wavelength | 190-1100nm/400-2500nm |
| Single-filament transmission efficiency | ≥90% |
| Characteristics | Compliant with biocompatibility requirements |
| Proof-test strength | 100kpsi |
| Fiber Type | Step-index type |
Datasheet
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