The VenaSeal closure system works by sealing the affected veins
using an adhesive agent injected through a catheter.
Varicose veins are swollen veins that are usually blue or dark
purple. They often cause muscle cramps and an uncomfortable, heavy
feeling in the affected area.
Veins contain tiny valves that stop blood from flowing backwards.
Damage to these valves can cause blood to swell in the veins.
Since the device does not use heat application or cutting, the
in-clinic procedure allows patients to quickly return to normal
activities. (http://1.usa.gov/1Asb0bb)
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The device is manufactured by Covidien LLC, whose acquisition
Medtronic completed last month.
(Reporting by Amrutha Penumudi in Bengaluru; Editing by Maju Samuel)
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