Analysis of specific application of different kinds of laser in medical treatment
With the increasing popularity of laser medical treatment , people are dazzled by the variety of laser medical treatments. Some advertisements are fooled into thinking that a laser is omnipotent and can treat various diseases. The fact is that laser medical care for different types of lasers is different. The medical aspects of different wavelengths and different forms of lasers are the same. Here are some specific application analyses for some types of lasers.
Gemstone Laser Series
Monochromatic red light with a wavelength of 694.3 nm, pulsed output (Joule level) or continuous output (milliwatt level) is mainly used for the treatment of ophthalmic diseases. The pulsed output of the ruby ​​laser, with a power of 0.1-0.5 joules, closes the retinal tears, and is used to treat retinal detachment and closed pores without fluid accumulation in the macula and posterior poles, with a curative effect of more than 90%, with significant effects; 1.0 to 2.0 joule ruby ​​laser for iridotomy, treatment of pupillary membrane closure and secondary glaucoma, removal of anterior capsule pigmentation, congenital nuclear and orbital cataract, congenital pupillary residual membrane, trauma or post surgery Pupil shift, iris cyst, conjunctival pigmentation, primary angle closure glaucoma, etc. are all effective. Ruby lasers with an output power of more than 100 joules can treat pigmented nevus, sebaceous glands, warts, superficial telangiectasia, and the like.
Nitrogen molecular laser series
Monochromatic long-wavelength ultraviolet light with a wavelength of 337.1nm, pulse output, power 0.1-2.0 mJ, can be used to treat superficial septic inflammation, infection of wounds, head lice, hands, athlete's foot, eczema, neurodermatitis, Skin cleft palate, nodular pruritus, vitiligo, external auditory canal edema, tonsillitis, etc.; can also be used as acupoint irradiation to treat bronchitis, bronchial asthma, neurasthenia and other medical and neurological diseases; in addition, nitrogen molecular laser can also do Diagnose early tumors for fluoroscopy.
Argon ion laser series
Blue-green light with wavelengths of 488 nm, 514 nm and 514.5 nm, continuous output, argon laser acupoint irradiation with power of 1 to 2 watts can treat traumatic paraplegia, encephalitis sequelae, arachnoiditis, polio sequelae, neurasthenia, bronchus Asthma, chronic hepatitis, diabetes, enuresis, etc.
The application of argon laser with an output power of 15 to 25 mJ can seal the retinal tears and retinal degeneration in the early stage of the hole. The low-power argon laser can treat central serous retinal choroidal lesions.
The application of argon laser with a power output of several watts can be used for photocoagulation of hemangiomas, or for the treatment of synovial cysts, cutaneous cysts, lipomas, fibroids, lymphangiomas, and fibromas. Argon lasers can be used for surgical removal of skin or visceral lesions.
Argon laser can be used as laser endoscope technology to stop bleeding of stomach, intestine, etc. through light guiding fiber; in addition, argon ion laser and argon ion pump dye laser (wavelength 6300) can be used for new technology of photosensitive diagnosis and treatment of cancer.
Nd:YAG laser series
Near-infrared light with a wavelength of 1064nm, pulse output or continuous output, using erbium-doped yttrium aluminum garnet laser with power of hundreds of joules, can treat hemangioma, facial plaque, sebaceous adenoma, lymphangioma, mucous cyst, white leukoplakia, etc. Increased output power can also be used for surgical cutting of skin and muscle, as well as surgical resection of laryngeal and gastrointestinal cancers.
Glass-lined laser series
Near-infrared light with a wavelength of 10600, pulse output or continuous output. The laser should be used for calibration and aiming. The application of 15 to 20 joules of neodymium glass laser can treat chronic wounds, chronic ulcers and soft tissue trauma.
The application of helium glass laser with a power of more than 100 joules can treat hemangiomas, spider mites, papilloma, pigmented nevus, common warts, corns, vulvar leukoplakia, basal cell carcinoma and the like.
Helium cadmium laser series
Violet and long-wave ultraviolet light with wavelengths of 441.6nm and 325nm, continuous output with 3 to 16 milliwatts of cadmium-cadmium laser acupoint irradiation can treat hypertension, dysmenorrhea, acute laryngitis, acute vocal corditis, etc.; local irradiation can treat nerves Dermatitis, pruritus, nodular pruritus, etc.
The cesium cadmium laser with an output of 15-20 mW is introduced into the body cavity through the light guiding fiber. The characteristics of fluorescence display can be used for early diagnosis, biopsy localization and indication of gastric cancer, esophageal cancer, nasopharyngeal cancer, rectal cancer and cervical cancer. The extent of removal of cancerous tissue, etc.
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