Designed to Maximize Your Workflow
Ellex has integrated the laser and slit lamp for greater efficiency and reliability, as well as for improved ease of use. The Tango’s compact, efficient design provides you with additional working space and convenient, simultaneous access to the patient and laser controls.
Greater Efficiency at the Touch of a Button
Designed to make procedures as efficient as possible, the Tango™ incorporates a proprietary dual-mode laser cavity design — allowing you to instantly switch between SLT and photodisruptor modes at the touch of a button.
SLT PHOTOREGENERATION
Ellex SLT Technology
The Ellex Tango™ features a high level of precision, in which parameter settings can be adjusted at 0.1 mJ increments. This capability, coupled with superior energy control and the fastest repetition rate in the industry at 3 hertz, enables you to deliver quick and highly accurate SLT treatment. All SLT treatment parameters are designed to industry-recognized treatment protocols, maximizing treatment options and ensuring effective patient results by enabling treatment to be tailored to the individual patient’s response.
SLT Photoregeneration
SLT is a highly effective approach for first-line glaucoma treatments, adjunct therapy with drugs, and alternative therapy when drugs or surgery fail. It is also a flexible treatment option, because it can be repeated, if necessary, depending on the individual patient’s response. SLT uses short pulses of low-energy light to target the melanin in specific cells of the affected eye. In response, the body’s natural healing mechanisms rebuild these cells, improving drainage and lowering intraocular pressure. The surrounding, non-pigmented cells — as well as the rest of the eye structure — are untouched and undamaged.
SLT PHOTOREGENERATION
Value-Added SLT Program
 In order to maximize the potential of SLT within your practice, Ellex has developed the Value-Added SLT Program. This program delivers a number of tools designed to increase the visibility of SLT among patients, and provides a wealth of treatment information based on the extensive experience of doctors, researchers and clinicians who are considered SLT experts by the field. Topics include how to qualify patients for treatment, optimal treatment techniques and the latest SLT research studies from around the world. Learn more at slt-ellex.com.
PHOTODISRUPTION
Efficient Energy Delivery
 Our Ultra Gaussian spot profile and fast rise time enable you to perform capsulotomies and iridotomies at lower, more efficient power levels that greatly reduce the risk of lens pitting. It also makes it possible for you to cut tissue more efficiently, using fewer shots and less cumulative energy. This ultra-low energy optical breakdown (in air) of approximately 1.8mJ in optimal conditions is compared to fundamental mode lasers that typically achieve optical breakdown (in air) at 3 to 4mJ.
PHOTODISRUPTION
Pinpoint Precision
 With a tolerance range of ± 8 microns, the Tango’s fine, two-point focusing system makes it easy for you to ensure that the system is always in focus, and that energy is delivered where you intend in relation to your target.
PHOTODISRUPTION
Better Performance over the Long-Term
 The Tango™ features a solid-state Q-switch life-tested to deliver 400,000 shots, and does not deteriorate over time like more common YAG Q-switches. As a result, you will experience better performance, and a dramatic reduction in long-term operating costs.
360° Product View
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| Tango Product Specifications |
| |
SLT Mode |
YAG Mode |
| Laser Source |
Q-switched, frequency doubled Nd:YAG |
Q-switched Nd:YAG |
| Wavelength |
green: 532 nm |
1064 nm |
| Energy |
0.3 to 2.6 mJ, per pulse, continuously variable |
0.3 to 10 mJ, per pulse, continuously variable |
| Pulse Duration |
3 ns |
4 ns |
| Burst Mode |
single pulse only |
1, 2 and 3 pulses per burst, selectable |
| Spot Size |
400 microns |
8 microns |
| Cone Angle |
<3 degrees |
16 degrees |
| Posterior Offset |
not applicable |
100 to 350 microns, continuously variable |
| Common to Both |
| Repetition Rate |
up to 3 hertz |
| Aiming Beam |
red diode, adjustable intensity |
| Magnification |
10x, 16x, 28x |
| Cooling |
air cooled |
| Electrical Requirements |
100-240 VAC, 50/60 Hz, 500 VA |
| Weight |
45 kg, 99 lbs (as shown) |
| Dimensions (HxWxD) |
135 x 92 x 51 cm, 53 x 36 x 20 inches (as shown) |
| Standard Accessories |
remote control, safety glasses, laser safety sign, dust cover |
| Optional Accessories |
Total Solution™ tables, tonometer mount, SLT laser lens, capsulotomy and iridotomy laser lenses, footswitch, five-position magnification changer, beam splitter, 35 mm camera adapter, video camera adapter, co-observation tube |
* Specifications are subject to change without notice.
Total Solution™ Tables
Ellex Total Solution tables are designed to meet the needs of any environment. The following tables are available in the Total Solution range:
- Wheelchair Accessible
- Wheelchair Accessible, Mobile
- Mobile
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Power Control™ Footswitch
Increase or decrease energy while maintaining hands-on control of the slit lamp. |
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Back-Lit Remote Control
Visible in dimly lit treatment rooms, can be placed on either side of the slit lamp table. |
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| Tonometer mount |
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| SLT laser lens |
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| Capsulotomy and iridotomy laser lenses |
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| 5-position magnification changer |
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| Beam splitter |
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| 35 mm camera adapter |
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| Video camera adapter |
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| Co-observation tube |
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Selective Laser Trabeculoplasty (SLT)
SLT Photoregeneration is used to treat glaucoma, the leading cause of blindness in North America and Europe, and the second leading cause worldwide.
SLT is a highly effective approach for first-line glaucoma treatments, adjunct therapy with drugs, and alternative therapy when drugs or surgery fail. It is also a flexible treatment option, because it can be repeated, if necessary, depending on the individual patient’s response. Gentle and non-invasive, SLT uses short pulses of low-energy light to target the melanin in specific cells of the affected eye. In response, the body’s natural healing mechanisms rebuild these cells, improving drainage and lowering intraocular pressure. The surrounding, non-pigmented cells — as well as the rest of the eye structure — are untouched and undamaged. For more information on how SLT is performed, download the SLT Treatment Guidelines.
View the videos below to see first-hand how SLT treatment is performed in a number of different clinical cases. Videos are provided courtesy of Prof. Philippe Denis, University Hospital of Lyon, France.
SLT: Treatment Protocol
Treatment is undertaken in single shot mode, with consecutive but not overlapping spots placed over the interior half of the trabecular meshwork. To determine the optimal level of energy for each patient, the energy level is gradually increased until the threshold energy level for mini-bubble information is observed, or decreased if bubble formation is noted.
SLT: Narrow Angles
When performing SLT on patients with narrow angles, visibility is reduced compared to normal angles. It is important to ensure the patient looks toward the mirror in order to improve visibility. In addition, the laser treatment beam must be applied closer to the iris base, but without touching it.
SLT: Heavily-Pigmented Trabeculum
It is important to note that less energy is required when performing SLT on patients with a heavily pigmented trabeculum. In this case study, extensive mini-bubble formation was noted at the commencement of SLT treatment, indicating that the energy level was too high. The energy level was consequently decreased to be just below the threshold level for bubble formation.
SLT: Irregular Pigmentation
Tip: Always ensure that focus is maintained on the target tissue, and not on the laser beam spot. In addition, the treatment beam should cover the central part of the trabecular meshwork, where pigmentation is maximal.
Laser Iridotomy
A less common form of glaucoma occurs when the aqueous fluid flow is obstructed by the anatomy of the eye blocking the path for fluid to reach the trabecular meshwork. This is known as Angle Closure Glaucoma (ACG) and often treated by performing a Laser Iridotomy with a photodisruptor. During iridotomy, the Tango's photodisruptor laser is used to create a tiny opening in the peripheral iris that allows fluid to flow directly into the anterior chamber from behind the iris. This typically resolves the built-up IOP and allows the anatomy of the eye to return to its normal state. Laser peripheral iridotomy is usually completed in the physician’s office or as a brief outpatient procedure in a hospital.
Posterior Capsulotomy
A cataract occurs when the eye’s focusing lens, which lies just behind the pupil, becomes cloudy and obstructs the transmission of light to the retina. While surgery to replace the natural lens with an implanted artificial lens is the only way to correct cataracts, approximately 20 percent of patients will experience a side effect from the surgery called secondary cataract. In the case of a secondary cataract, the posterior capsule, a thin membrane that lies just behind the implanted lens, becomes clouded over with scar tissue that grows in response to the surgery. The most effective way to treat a secondary cataract is a simple laser procedure called posterior capsulotomy.
During posterior capsulotomy treatment, the Tango's photodisruptor laser is used to create an opening in the center of the clouded posterior capsule, which removes the obstruction once again and allows light to reach the retina. The procedure is painless, requires no anesthesia, and typically results in improved vision within a day. Laser Capsulotomy is usually completed in the physician’s office or as a brief outpatient procedure in a hospital.
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SLT is a highly effective approach for first-line glaucoma treatments, adjunct therapy with drugs, and alternative therapy when drugs or surgery fail. It is also a flexible treatment option, because it can be repeated, if necessary, depending on the individual patient’s response. SLT uses short pulses of low-energy light to target the melanin in specific cells of the affected eye. In response, the body’s natural healing mechanisms rebuild these cells, improving drainage and lowering intraocular pressure. The surrounding, non-pigmented cells — as well as the rest of the eye structure — are untouched and undamaged.
In order to maximize the potential of SLT within your practice, Ellex has developed the Value-Added SLT Program. This program delivers a number of tools designed to increase the visibility of SLT among patients, and provides a wealth of treatment information based on the extensive experience of doctors, researchers and clinicians who are considered SLT experts by the field. Topics include how to qualify patients for treatment, optimal treatment techniques and the latest SLT research studies from around the world. Learn more at slt-ellex.com.
Our Ultra Gaussian spot profile and fast rise time enable you to perform capsulotomies and iridotomies at lower, more efficient power levels that greatly reduce the risk of lens pitting. It also makes it possible for you to cut tissue more efficiently, using fewer shots and less cumulative energy. This ultra-low energy optical breakdown (in air) of approximately 1.8mJ in optimal conditions is compared to fundamental mode lasers that typically achieve optical breakdown (in air) at 3 to 4mJ.
With a tolerance range of ± 8 microns, the Tango’s fine, two-point focusing system makes it easy for you to ensure that the system is always in focus, and that energy is delivered where you intend in relation to your target.
The Tango™ features a solid-state Q-switch life-tested to deliver 400,000 shots, and does not deteriorate over time like more common YAG Q-switches. As a result, you will experience better performance, and a dramatic reduction in long-term operating costs.
