{"id":2060,"date":"2020-12-21T15:56:52","date_gmt":"2020-12-21T14:56:52","guid":{"rendered":"https:\/\/moodboard.trafic-influence.net\/?page_id=2060"},"modified":"2021-11-17T15:52:59","modified_gmt":"2021-11-17T14:52:59","slug":"laser-photocoagulateur","status":"publish","type":"page","link":"https:\/\/www.nidek.fr\/en\/laser-photocoagulateur\/","title":{"rendered":"Photocoagulator lasers"},"content":{"rendered":"
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Homepage<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Photocoagulator lasers<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Modularity and accuracy<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Photocoagulator lasers are used for photocoagulation, pan-photocoagulation, trabeculoplasty and iridotomy operations. They are designed to limit retinal disorganisation in pathologies with vascular components, and are also frequently used for proliferative diabetic retinopathies.<\/p>

There are different models,<\/b> depending of the type of treatment to perform, with a yellow, green or red wavelength, depending on the target, in Monospot<\/b> mode (single impact) or in Multispot<\/b> mode (series of impacts) depending on the zone surface area. To be used, the photocoagulator lasers should be backed by a viewing system of the fundus,<\/b> and by an aiming system, to ensure a correct positioning of the impact.<\/p>

Most often, the lasers fit on slit lamps (of different brands and types) but can also be paired with an operating microscope or an indirect binocular ophthalmoscope if the patient needs to lie down.\nTherefore, the practitioner's habits determine the characteristics of the photocoagulator laser.<\/p>

\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Our photocoagulator lasers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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GYC-500 \/ 500 VIXI<\/h3><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The GYC-500 is a green wavelength photocoagulator laser fitted on a slit lamp and designed to photocoagulation, pan- photocoagulation, trabeculoplasty and iridotomy treatments.\u00a0<\/p>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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YLC-500 \/ 500 VIXI<\/h3><\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Le YLC-500 est un laser photocoagulateur en longueur d\u2019onde jaune, mont\u00e9 sur lampe \u00e0 fente et destin\u00e9 aux traitements de photocoagulation, de pan-photocoagulation et d\u2019iridotomie.<\/p>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Techniques used<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Photocoagulation is a laser treatment technique of the retina.<\/b> The light beam, focused on a given point, produces a targeted therapeutic burn.<\/p>

The purpose is different, depending on the pathology to cure. On one hand, the treatment aims to increase retina adherence<\/b> to the ocular wall in case of retina tears or detachment, and on the other hand it is used to destroy or control tissue abnormal zones,<\/b> as they disrupt vision. These zones can be weakened blood vessels, that sometimes leak, we then want to coagulate, ischemic zones lacking oxygen, exudative zones presenting deposit accumulations, proliferant zones in which abnormal blood vessels<\/b> or tumour zones form.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The main purpose is limiting retina disorganisation to minimise the extension of the pathology.<\/b>.<\/p>

The intervention can be local, with a reduced treatment surface area, or global, to cover a large part of the retina. We then speak of pan-photocoagulation or pan-retinal photocoagulation. The latter often applies in case of diabetic retinopathy. This disease affects the entire retinal vascular system.<\/p>

Le laser est positionn\u00e9 sur un syst\u00e8me de microscope<\/b>, le plus souvent une lampe \u00e0 fente, qui permet d\u2019observer le fond d\u2019\u0153il pour d\u00e9finir la zone \u00e0 traiter et d\u00e9livrer les impacts. Les lasers peuvent \u00e9galement s\u2019adapter sur des biomicroscopes<\/b> indirects ou des microscopes op\u00e9ratoires \u00e0 utiliser sur des patients allong\u00e9s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Pathologies <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The photocoagulation laser treatment is performed under a topical anaesthesia and using a treatment lens (selecting the magnification depends on the location and the surface area of the zone to cover). More often a slit lamp is used as observation system of the fundus. The patient remains seated during the surgery that can last up to 10 minutes.\nMost of pathologies treated using a photocoagulator laser have a vascular involvement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Diabetic retinopathy<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Non-proliferative serious diabetic retinopathy<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Retinal detachment<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Diabetic retinopathy with macular oedema<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Macular oedema treated under low-power mode (sub threshold treatment)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Pictures courtesy: Hospital Lariboisi\u00e8re (Paris, France) and Professor Murata (Shinshu University, Japan)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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The different types of laser photocoagulators<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Two versions are available: Monospot<\/b> and Multispot,<\/b> proposing different wavelengths and able to adapt to different equipment types. Please find the product perfectly matching your needs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Monospot<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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This model is particularly adapted to laser punctual uses.<\/b><\/p>

The user triggers the equipment to deliver a single laser impact,<\/b> aiming at the zone to burn.<\/p>

It is very often used in case of aneurysm or for any surgery requiring very few burns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Multispot<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As soon as the zone to cover becomes important, using a Multispot<\/b> laser makes surgery easier.<\/p>

Producing several impact points<\/b> with a single triggering reduces the surgery time, and the patient\u2019s tiredness and pain.<\/p>

The Multispot laser is more comfortable,<\/b> particularly during long surgeries,<\/b> such as retinal pan-photocoagulation<\/b> (the sequence includes more than 1,000 impacts).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Subthreshold treatment<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The subthreshold<\/b> mode requires less power (less than the retina whitening threshold), thus allowing a less aggressive<\/b> treatment, aiming to regenerate the retinal tissue rather than destroying it.<\/p>

The temperature increase is controlled <\/b>to stimulate retina regeneration. <\/b>This mode is mainly recommended to perform treatments close to the macula, as this zone is very sensible, particularly in case of macular oedemas.<\/p>

At NIDEK\u2019s, this option is the LPM<\/b>\u00a0(Low Power Mode), that can be found on YLC-500 VIXI and MC-500 with yellow wavelength.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Benefits of photocoagulator laser<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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NIDEK lasers are compact, robust and easy to use. Different features make the treatment procedure easier<\/b> and adapt to different users\u2019 needs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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