Light emitting diode. Oleg Losev, List of LED failure modes, Organic light emitting diode, Miniature light emitting diode, Solid state lighting, LED lamp, LED power sources, Electrical polarity of LEDs, LED circuit, LED as light sensor Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 74 Publication Date: 2009/10/08 Language: English Dimensions: 5.98 x 9.01 x 0.17 inches
Prefolded iron-on bias tape is a time saver for quilters and sewersNo need to fold and pin your bias tape in place Excellent for use in quilting and applique workReel includes 5.5 yards of 4mm (3/16-inch to 1/8-inch) wide bias tape100-percent cottonWashable when sewn in place
An Emmy Award-winning CBS broadcast journalist turns his analytic eye on his own industry in this investigation of broadcast news. Here he suggests that television news is biased toward the political left.
Instantly add an elegant touch to your work with delicate golden lamé stripes on Marble Quick Bias. Easily ironed on to straight or curved fabric designs, Quick Bias Tapes eliminate time consumed in making and pinning it in place. Excellent for use in stained glass quilting, celtic applique work, or projects requiring the use of (1/4") bias tape.These gorgeous fusible bias tapes are sure to add spice to even the most simple of fashions. Each features a marbled base fabric with bright sparkling gold pin stripes. Perfect for stained glass quilting, celtic, applique work and much more! Available in various colors, each sold separately. Tapes measure 1/4" x 11 yards. Fabric is 100% cotton, Lame: polyester.
2 in 1 LAN Tester and Multimeter with Voltage, Current, Resistance, Continuity, and Diode Tester Tests Pin Configuration for 10 Base-T, 10 Base-2, RJ45/RJ11, 356A, TIA-569A/568B and Token Ring Cable Remotely Test Cables Up to 330 Yards Away Test Ground Wire Measure DC/AC Voltage, DC/AC Current, Resistance, Continuity, and Diode DC Voltage: Max Range 600 V, Accuracy +/- 0.5% AC Voltage: Max Range 600 V, Accuracy +/- 1.2% DC Current: Max Range 200 mA, Accuracy +/- 1.2% AC Current: Max Range 200 mA, Accuracy +/- 2.0% Resistance: Max Range 20 MO, Accuracy +/- 0.8% Continuity Test: Beeps If Less Than 100 O Accessories Included: Test Leads, LANtest Remote Terminator, 9V Battery, Carrying Case Dimensions: 6.38" H x 2.93" W x 1.73" D Weight: 10.86 oz.
The Clover Quick Bias Design & Applique Sheet eliminates tracing designs on fabric and it can be used over and over. Pin your pattern under the design sheet, follow the pattern as you iron Quick Bias on to the design sheet. When Quick Bias has cooled, remove the shaped bias tape, place it on the fabric and iron. This sheet can be used for any fusible applique projects. You can pin through it, iron on either side, use as a pressing cloth and protect surfaces from hot glue drops. Use your imagination to come up with more uses. 11 1/2"x 16 1/2"- 4 sheets
Rated: PGSynopsis: The System is set in a British seaside village where the local young men mingle among the summer's tourists in search of sexual conquests. The group's leader, Tinker (Oliver Reed), aims to entrap a fashion model (Jane Merrow) from a well-to-do family, but he finds himself unexpectedly falling in love. With the tables turned, Tinker begins to see that maybe it's not the tourists who are being used in these sexual games.
Review of the original hardcover edition (published as Photographic Atlas of the Body): "Stunning, magnified views of human cells and tissue... beautiful color micro[photo] graphs... accompanied by concise, fact-filled descriptions...
This Viridian Green Laser features SmartLaser Technology. Viridian lasers are always sharp and easy to see day or night indoors or out. That means faster target acquisition easier tracking instant intimidation and pinpoint accuracy. All to improve your shooting at the speed of light. Super bright Viridian green multiprogrammable laser. Longlife CR2 lithium energy cell. 2 windage and elevation wrenches. Tactical latch bar. Quick start user s guide. Complete operators manual. Beam Intensity/Wavelength: 5mW peak 532nm Class IIIa Continuous Wave. Beam Divergence/Spot Size/Range: 1.2 mrad approx. 0.5 diameter at 50 feet 2 mile range. Dimensions/Weight/Construction: 2.660 L x 1.820 H x 1.235 W 2.7 oz. (including battery) High Strength Zytel Polymer. User Adjustable: Both Windage and Elevation. Power Source: One CR2 3V lithium battery (included); 4 hours battery life constant / 7 hours pulsing. Installation: Slides onto tactical rail and selflocks into place. Removes by means of quick detach system. Activation and Modes: Ambidextrous with SMARTLASER Technology (4 Operating Modes).
Green laser sight. Fully visible dot even in full daylight. Pulsing or constant light. Easy mounting and removal. Windage and elevation adjustments. Four operating modes. Ambidextrous fits right hand and left hand use. Beam Intensity: 532nm. Dot Size: 1/2 10 Yards. Power: 5mw. Range: 2 Miles. Battery: CR2 Lithium. Color: Black. Gun Model: Smith and Wesson MandP. Package Contents:. Viridian Green Laser for Smith and Wesson MandP Model (Not Compact). CR2 Battery. 2 Adjustment Wrenches. Tactical Latch Bar. Operator s Manual. Fitted Kydex Holster.
Zappos.com is proud to offer the PUMA - Cell Turin Perf Wn's (Gray Violet/Viridian Green) - Footwear: Style and function collide in this great running shoe. ; Synthetic leather upper with allover perforated details for breathability. ; EVA midsole. ; TPU shank. ; tenCELL heel cushioning unit for extra support. ; Durable rubber outsole. ; Weight: 10 oz ; Product measurements were taken using size 7. Please note that measurements may vary by size.
PUMA Women's Faas 250 - Viridian Green/Cayenne/Gray Violet. The Faas 250 is super lightweight neutral racer for tempo runs and racing. Air mesh upper with synthetic PU is breathable and lightweight. BioRide technology gives a more natural and responsive ride. EverRide and EverTrack in the outsole add cushioning and durability where it's needed.UPPER: Taxi mesh upper with synthetic PU is breathable and lightweight.MIDSOLE: Cushioned EVA midsole. KMS sockliner sculpts to the foot for a snug fit.OUTSOLE: EverRide and Evertrack outsole add traction and durability.WEIGHT: (5.8 oz.) Imported.
PUMA Women's Faas 250 - Viridian Green/Cayenne/Gray Violet. The Faas 250 is super lightweight neutral racer for tempo runs and racing. Air mesh upper with synthetic PU is breathable and lightweight. BioRide technology gives a more natural and responsive ride. EverRide and EverTrack in the outsole add cushioning and durability where it's needed.UPPER: Taxi mesh upper with synthetic PU is breathable and lightweight.MIDSOLE: Cushioned EVA midsole. KMS sockliner sculpts to the foot for a snug fit.OUTSOLE: EverRide and Evertrack outsole add traction and durability.WEIGHT: (5.8 oz.) Imported.
Nothing knocks the fight out of bad guys like the sudden appearance of a C5L-equipped sub-compact green laser sight. The always-brilliant green laser says "Don't mess with me" 24 hours a day. The 100-lumen tactical light illuminates a dark environment while also producing an eye-dazzling 140-lumen strobe that disorients even the most determined attacker...
Viridian X5L Universal Green Laser Sight / Tactical Light Combo. Delivering pin - point accuracy and illumination that'll really "make your day"! Designed from the ground up, the XL5 provides everything the discerning shooter demands! Unbelievably bright, daytime-visible green laser...
Okay, just about everyone has a red laser pointer. Heck, we even sell a fine one here at ThinkGeek. But, we're pretty sure you want to be a superior geek - and doing it with a green laser is the way to go. This pointer is significantly brighter (about 50 times) than a red laser pointer and because of its unusual color it is much more noticeable. I mean come on, a 532 nm green laser wavelength is obviously superior to a laughable 650 nm red laser wavelength. And unlike a red laser, the green beam itself can be seen in mid-air in dark conditions, not just the laser beam dot. This allows the green laser pointer to be used for pointing to star constellations (skypointing) and also just generally look cool as hell. The green laser beam dot can be seen at much greater distances than with a red laser pointer. Since green direct injection laser diodes aren't readily available, this pointer is based on the use of Diode Pumped Solid State Frequency Doubled (DPSSFD) laser technology. A high power IR laser diode at 808 nm pumps a tiny block of Nd:YVO4 generating light at 1,064 nm which feeds a KTP intracavity frequency doubler crystal to produce the green beam at 532 nm. Features of this unit include: Very bright green laser at 532 nm wavelength Output power of Range of approximately 9,000 ft (2600 m) in darkness 1.1 mm beam diameter at source Momentary push button switch Solid, heavy duty construction Constant wave output (as opposed to pulse output) Takes 2 "AAA" batteries (not included) Can be used for skypointing, projection on low clouds, signaling, highlighting potential explosives Dimensions: 5.6" x .5" dia 90-day warranty Available in Black or Silver color Interested in quantity discounts or custom logo imprinting? More info here. Warning: Green lasers are very powerful. Pointing at aircraft may land you in jail. Without a Monopoly card to get you back out. Use it wisely.
The ScorpiusD Series a portable diode laser emitting at 808nm produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The ScorpiusD Series is available at up to >1.0W much greater output power levels than those available in visiblewavelength portable lasers. In addition the price per milliwatt of output power is a fraction of the cost of visible lasers. Ideal for IR laser experimentation such building a 532nm laser using Nd:YVO4 and KTP crystals to produce green laser light at 532nm.
The ScorpiusD Series a portable diode laser emitting at 808nm produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The ScorpiusD Series is available at up to >1.0W much greater output power levels than those available in visiblewavelength portable lasers. In addition the price per milliwatt of output power is a fraction of the cost of visible lasers. Ideal for IR laser experimentation such building a 532nm laser using Nd:YVO4 and KTP crystals to produce green laser light at 532nm.
The ScorpiusD Series a portable diode laser emitting at 808nm produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The ScorpiusD Series is available at up to >1.0W much greater output power levels than those available in visiblewavelength portable lasers. In addition the price per milliwatt of output power is a fraction of the cost of visible lasers. Ideal for IR laser experimentation such building a 532nm laser using Nd:YVO4 and KTP crystals to produce green laser light at 532nm.
The Scorpius Series a portable DPSS laser emitting at 1064nm produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The Scorpius Series is available at up to >800mW much greater output power levels than those available in visiblewavelength portable lasers. In addition the price per milliwatt of output power is a fraction of the cost of visible lasers. Ideal for IR laser experimentation including frequencydoubling the 1064nm output using nonlinear crystals such as KTP to produce green laser light at 532nm.
14.50" Height x 27.33" Width x 14.50" Depth 26" 30" Tilt : +/-15º Roll : +/-90º Yaw: +/-15º Maximum Width per monitor : 30" Weight Capacity per monitor : 35 lb Independent adjustment of each screen for proper ergonomic alignment Centris Technology provides smooth, fingertip tilt in all directions Teardrop hole pattern makes mounting the screens quick and easy Heavy-duty, solid steel base and oversize pole for unmatched stability Integrated cable management 2 x 30" Monitor Chief KTP225 is designed to provide a rock solid, free standing solution for graphic designers, broadcasters and other users who commonly work with multiple small flat panel TVs, LCD or monitors. VESA 75 x 75 mm and 100 x 100 mm Chief Chief Manufacturing Desk-mountable Display Stand KTP KTP Series KTP225S Widescreen Dual Monitor Table Stand KTP225S Silver Steel Up to 26" Maximum Up to 30" Flat Panel Display Up to 70 lb www.chiefmfg.com
Proudly display your NCAA pride in your home or office with this Clemson Tigers laser etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Virginia Cavaliers Laser Etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Georgia Bulldogs Laser Etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Florida Gators laser etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Michigan Wolverines laser etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Miami Hurricanes laser etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
18" 28.50" Height x 27.33" Width x 14.50" Depth 30" Independent adjustment of each screen for proper ergonomic alignment Centris Technology provides smooth, fingertip tilt in all directions Teardrop hole pattern makes mounting the screens quick and easy Heavy-duty, solid steel base and oversize pole for unmatched stability Integrated cable managment Tilt: +/-15º Roll: +/-90º Yaw: +/-15º Weight Capacity (per monitor) : 20 lb Maximum Width (per monitor): 30" Maximum Height (per monitor): 18" KTP445B Widescreen Dual Monitor Table Stand 2 x 34" Dual Array Assembly 1 x Free-stand Base 1 x 28" Free-stand Pole 2 x 8" Cable Management Sheath 1 x Free-stand Pole Mounting, 3/8-16 x 1" Screw 1 x 5/32" Hex Key 1 x 7/32" Hex Key 16 x Phillips Pan Head, M4 x 12mm Screw 16 x Phillips Pan Head, M4 x 20mm Screw 16 x Phillips Pan Head, M4 x 30mm Screw 16 x Nylon, 3/8" (used with item 170) Spacer 16 x Nylon, 3/4" (used with item 180) Spacer 2 x Array mounting Back Clamp 4 x 1/4" Flat Washer 4 x Button Head Cap, 1/4-20 x 3/4" Screw KTP445S Widescreen Quad Monitor Table Stand is designed to provide a rock solid, free-standing solution for graphic designers, broadcasters and other users who commonly work with multiple small flat panel TVs, LCDs or monitors. 30" Flat Panel TV, LCD or Monitor VESA 75 x 75 mm and 100 x 100 mm compatible Chief Chief Manufacturing Desk-mountable Display Stand KTP KTP Series KTP445S Widescreen Quad Monitor Table Stand KTP445S Silver Steel Up to 18" Maximum Up to 30" Flat Panel Display Up to 80 lb www.chiefmfg.com
Proudly display your NCAA pride in your home or office with this Purdue Boilermakers Logo Laser Etched Crystal Ball. Base is lit to show off the image. Plays the school's fight song and the base turns. AC adapter included.
Proudly display your NCAA pride in your home or office with this Sanford Stadium (Georgia Bulldogs) Laser Etched Crystal Ball. Base is lit to show off the imagePlays the school's fight song and the base turnsAC adapter included
Proudly display your favorite MLB team Stadium in your home or office with this Wrigley Field (Chicago Cubs) laser etched Crystal Ball. Base is lit to show off the image. The crystal ball plays "Take me out to the Ball game" as the base turns. AC adapter included.
Proudly display your favorite MLB team stadium in your home or office with this Oriole Park At Camden Yards (Baltimore Orioles) laser etched Crystal Ball. Base is lit to show off the image. The crystal ball plays "Take me out to the Ball game" as the base turns. AC adapter included.
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KTP crystal doubling a pulsed Nd:YAG laser
Evolution of Dpss Lasers From Gas Lasers
Since early developments in the 1960's, lasers have gone through a number of transformations using different types of technology. The previous generation of lasers were bulky and fragile gas lasers such as ion lasers. The current generation of lasers are diode pumped solid state lasers or DPSS for short.
Diode-pumped solid-state (DPSS) lasers are solid-state lasers made by pumping a solid gain medium, for example, a ruby or a neodymium-doped YAG crystal, with a laser diode.
The most common DPSS laser in use is the 532 nm wavelength green laser pointer The green light from the green laser pointer is generated by a process called frequency doubling. The beam typically originates as a 808nm beam from an infrared A1GaAs laser diode. This beam then pumps a crystal made of neodymium-doped vanadate or Nd:YAG to produce a deeper infrared beam with a wavelength of 1064nm.
The last part of the process is passing the 1064nm beam into a KTP (potassium titanyl phosphate) crystal which acts as a frequency doubler and halves the wavelength of the beam to green 532nm laser beam.
The Viper laser pointer, the Hulk portable laser and the other lasers from Dragonlasers are DPSS lasers and use the same principle of pumping a crystal with a laser diode to produce a laser beam.
Advantages of DPSS lasers
DPSS lasers have a number of important over the older gas lasers
They are solid state with no fragile gas filled tube which requires the gas pressure to be maintained correctly for optimal performance.
· Durability: DPSS lasers are more rugged than the typical gas lasers that use a gas filled tube with precise pressure requirements.
· Resonators: DPSS lasers not require the complex resonator structures found in gas lasers.
· Optics: The optics in DPSS lasers are much smaller than the optics in gas lasers. This allows the optics of DPSS lasers to be adjusted in the factory, an adjustment that will normally last the life of the laser. The optics in gas lasers on the other hand need adjustment prior to each use.
· Size: DPSS lasers are much more compact that gas lasers.
· Efficiency: A typical gas laser will output about 2-3% of its electrical input as light. The other 97-98% electrical input will be lost as heat. One reason why gas lasers typically need water cooling. DPSS lasers are much more efficient and output 25-30% of their electrical input as light.
High Quality Content by WIKIPEDIA articles YAG (Yard Auxiliary, General) training vessels are wooden boats built between 1954 and 1958, and based at CFB Esquimalt in Esquimalt, British Columbia, Canada. The vessels are used for training Canadian Forces regular naval officers, naval reservists, and members of the Royal Canadian Sea Cadets in basic seamanship, vessel handling, and navigation. According to the Department of National Defence, in 2000, a total of 1830 personnel were deployed on the YAGs for a total of 585 days and steamed over 25,000 nautical miles (46,000 km) in support of training. YAGs displace 70 tonnes, and are divided into five major belowdecks compartments: right forward, a chain locker, then the forward cabin, containing the galley, one of the heads (washrooms) and the officers eating and sleeping areas, as well as the gyroscopic (gyro) compass. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 80 Publication Date: 2010/07/05 Language: English Dimensions: 5.98 x 9.01 x 0.19 inches
This is a high quality made, mini submersiblewater pump. It's built by a brushless motor providing smooth and quiet operation than a non-brushless water pump. Plus,it will not generate 'electric spark' like what a brush type does so it's more safe...
This Tutorial Text covers a wide range of material, from the basics of laser resonators to advanced topics in laser diode pumping. The subject matter is presented in descriptive terms that are understandable by the technical professional who does not have a strong foundation in fundamental laser optics...
AF5-TH / Pump V8 - Yag Bog Wa Ruk Ther MV
Discussion of Varicose Veins and Faq’s About Treatment Options
What are varicose veins, spider veins, and reticular veins?
Varicose veins are ropy, swollen veins that are close to the surface of the skin. Reticular veins are the smaller, fine blue veins that are under the skin. Spider veins are smaller, red or blue veins that are in the skin layer.
What causes varicose veins?
The normal function of leg veins is to carry blood back to the heart. During walking activity, the calf muscle acts as a pump, compressing the leg veins and forcing blood back towards the heart.To prevent blood from going in the wrong direction, veins have one-way valves valves that prevent blood from flowing backwards down the leg. If the valves are faulty (a condition known as valvular incompetence), blood flows back into superficial veins and down the leg. This process is known as reflux. Reflux results in veins enlarging and becoming varicose. Once veins become varicose, they lose their ability to snap back into their correct shape, and become more plastic rather than elastic. Varicose veins unfortunately cannot heal themselves, and this condition is either stabilized with compression hose, or managed with one of the vein treatment plans. The greater saphenous vein is one of the most frequently damaged veins that leads to varicose veins in the leg.
Who is at risk for varicose veins?
There are numerous risk factors for varicose veins. These risks include a family history of varicose veins, obesity, pregnancy, hormonal changes at menopause, work that requires prolonged standing or sitting, and past vein diseases such as phlebitis (inflammation of a superficial vein) or deep venous thrombosis (blood clot in the deeper veins). Women also tend to suffer from varicose veins more than men. In addition, varicose veins can appear after trauma to the area.
What are the symptoms of varicose veins?
Varicose veins may cause aching of the legs. The ankles, calf and feet may swell towards day's end, especially in hot weather. Varicose veins can become sore and inflamed, causing redness of the skin around them. Skin changes from long standing vein problems include thickening of the skin, a brown discoloration, red rashes, and skin infections. Some patients with severe vein problems can develop sores on the ankles, known as venous ulceration. These are often difficult to heal, and can be helped by treating the underlying vein problem to prevent the reflux that led to the ulceration.
How can varicose veins be treated?
There are several ways to treat varicose veins, depending on the symptoms and types of veins present:
1. Compression stockings: The conservative management of varicose veins is to wear compression hose, exercise, control your weight, and elevate your legs above your waist as much as possible in order to drain the vein blood out of your legs. Compression hose will assist the vein in pumping blood up the leg and back to the heart. However, this technique will not make the varicose veins go away. Nevertheless, the use of compression hose is very important in not just preventing worsening of varicose veins, but also in preventing recurrent problems after treatment.
2. Sclerotherapy: This technique is used for the treatment of smaller varicose veins, as well as reticular veins and spider veins. A small amount of a medication (sclerosant) is injected directly into the diseased vein. The medication irritates the inner lining of the vein and causes it to seal shut. The newer types of sclerosants are not painful when injected using a very tiny needle, and multiple sites of injection are typically needed. In addition, one usually needs anywhere from 2-6 treatments to obtain 70-80% clearance of the spider veins. The procedure is performed quickly and easily without the need for anesthesia. Sometimes, we use ultrasound guidance for sclerotherapy. The number of treatments required will vary with each individual, depending on the extent of visible varicosities and spider veins. A range of 2-6 treatments can be expected in order to achieve a 70-80% clearance of the spider veins. We also use a Lyra 1064 nm YAG laser to treat stubborn spider veins.
3. Surgical Stripping: In the past, surgical removal or “stripping” of the diseased vein out of the leg was the best treatment we could offer patients with vein problems. This procedure required an operating room, general or spinal anesthesia, and recovery times that varied from 2-6 weeks. Vein stripping is an antiquated procedure and should be very rarely used in the management of varicose veins with the newer techniques that are currently available.
4. Microphlebectomy: This procedure involves the use of several, 1 mm, tiny incisions along the course of the leg veins in order to remove the diseased vein in segments. These tiny incisions heal well with minimal discomfort. Microphlebectomy can be performed by itself or in combination with another type of vein treatment.
5. Endovenous Laser Therapy: The use of lasers in the management of vein problems is replacing the standard surgical approach to treating large varicose veins. With Endovenous Laser Therapy (EVLT) a very thin fiber or catheter is inserted into the diseased vein through a small needle puncture in the leg, requiring only local anesthesia. The laser delivers energy directly to the inner lining of the vein, causing the vein to close. The procedure can be performed in the physician’s office in approximately one hour. Patients are usually able to resume their routine activities immediately after the procedure.
How Does Endovenous Therapy Work?
Endovenous Laser Therapy (EVLT) treats the incompetent greater saphenous vein (GSV). The GSV vein courses along the inside part of the leg from the groin to the ankle, and is frequently the underlying cause of varicose veins.
The procedure is done in the office under local anesthesia using ultrasound guidance. A laser fiber is passed through a small sheath inserted into the GSV. As the laser is activated, the resulting heat treats the inner lining of the vein causing it to seal. The whole procedure is performed through a tiny skin incision, so there is no post-operative scarring. Pressure is applied to the treated veins using compression hose or other compressive dressings.
The recovery time from EVLT is rapid as there are no large surgical incisions or side effects of general anesthesia. Normal activities can be resumed the net day. Vigorous physical activity such as weight lifting and aerobics are not advised during this time, and we advice that patients do not take plane flights for at least one week after the procedure.
Why Endovenous Laser Therapy Instead of Other Treatment of Varicose Veins?
The benefits of EVLT are the following:
1. A simple procedure
2. Performed under local anesthetic
3. Minimally invasive, so minimal risk of scarring and postoperative infection
4. The procedure takes about one hour and avoids surgery in the operating room with its associated costs
5. Rapid recovery with reduced postoperative pain
6. Normal activities can be resumed almost immediately
7. Excellent clinical and aesthetic results
8. Covered by most insurance companies including Medicare after failure of conservative medical management
What Are The Complications Of Vein Management?
Sclerotherapy and EVLT have rarely been associated with any serious complications. Minor complications of these procedures include bruising, mild itching, tingling, tenderness and tightness in the treated leg for up to two weeks after the treatment. Allergic reactions to the sclerosant have been reported, but are extremely rare. Ulceration of the skin after sclerotherapy can rarely occur. If they occur, the usually heal in 2-3 months and leave a small scar. Deep Vein Thrombosis is a very rare complication following sclerotherapy of larger varicose veins or EVLT. Other potential complications include:
1. Staining or brown pigmentation at the site of treatment. This occurs in about 30% of patients. In most cases the staining resolves but it may take many months.
2. Clots under the skin. These clots may affect the treated veins. These are not dangerous and can be removed through a small incision if necessary. Most of these clots dissolve by themselves.
3. Bruising at the injection sites usually resolves within one to two weeks.
4. Capillary matting is an increase in the number of fine red vessels around the injection site. This problem may disappear on its own, or can be treated by further injections.
What Is Involved In The Care After Treatment?
We recommended compression hose or some other type of compression dressing after treatments. These dressings are usually worn for one day following sclerotherapy and 1-2 weeks after EVLT. Compression stockings come in different styles, sizes and colors. We advise return to a normal physical activity routine after the procedure, but vigorous aerobic exercise is not recommended for 2 weeks after ELVT. Sclerotherapy patient can resume normal exercise the day after treatment.
Will Abnormal Veins Come Back After Treatment?
After sclerotherapy for spider veins, a small number of patients who have a natural tendency to form spider veins will need yearly treatments or “touch-ups”. Larger varicose veins can also recur, especially if one gains weight, or does not wear compression hose. These recurrences are usually not as severe as the initial episode, and can be treated with sclerotherapy or microphlebectomy.
Will My Health Insurance Cover My Care For Vein Problems?
Most insurance companies will cover treatments for varicose veins that are causing problems despite conservative management. Conservative management means a trial of compression hose for 3-6 months. If you continue to have pain or swelling despite wearing compression hose, then most insurance carriers will cover EVLT or microphlebectomy. Insurance does not usually cover the treatment of spider veins, and these treatments are paid for by the patient.
Will Getting Rid Of Varicose And Spider Veins Hurt My Circulation?
The varicose veins that are being treated are not doing their job, and therefore are not missed when they are treated. The body has numerous other veins that are taking blood back towards the heart, and they take over the role of the varicose veins after treatment.
How Long Will It Take For Me To See Results After Treatment?
You will see some immediate results after treatment for varicose and spider veins. The best results will be seen after 3-6 months, when the swelling and bruising has completely resolved.
For more questions about all things venous, including deep venous thrombosis (DVT) and the latest management techniques such as thrombolysis of DVT’s and pulmonary emboli, please visit my vein website at www.my-varicose-veins.com.
About the Author
I am a Vascular Surgeon in Dallas. I have been voted by my colleagues to be one of the best Vascular surgeons in the Dallas Fort-Worth area according to Dallas Magazine for 2006. My expertise is in circulation surgery, especially in vein problems.
I am being featured in the cable TV show “Heartbeat of America” hosted by William Shatner and Doug Llewelyn from
“The People’s Court.” I also will be featured in the Dallas Fort-Worth edition of Redbook, Women’s day, and
Good Housekeeping for the April/May edition for my work on varicose veins. http://www.my-varicose-veins.com
