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Application of Ultrasonic Scalpel for the Treatment of Cataract
Latest company news about Application of Ultrasonic Scalpel for the Treatment of Cataract

    Cataract is a common disease in ophthalmology, traditional surgical methods, namely intracapsular and extracapsular cataract removal surgery, a large incision, a long recovery period, and must wait until the lens can be grown to maturity after surgery, to the inconvenience of the patient's life.. Ultrasonic emulsification cataract knife through tiny incisions (2 ~ 3mm) inserted into the eye, the use of ultrasonic cavitation effect and the effect of human tissue fragmentation, emulsification and aspiration of the cataract. Compared with traditional methods, this method is rapid, less bleeding, faster recovery.

    1960s, American doctors Kelman Inspired by dental cleaning dental ultrasonic probe, successfully developed the world's first ultrasonic emulsification tip. By 1970 cataract ultrasound emulsification instrument and started to become products and sales on the market. The US ophthalmologist every year to be 150 to 1.8 million cases of cataract surgery, almost all of these procedures are done by ultrasonic emulsification knife.

    Ultrasonic emulsification knife comprising a transducer, horn, emulsifying needle and other parts. Emulsification needle is generally made from a titanium alloy, it has a front end 15 °, tilt angle 30 °, 45 °, the smaller the inclination angle, the easier the emulsification in the formation of "plugging" will help generate a negative pressure; the larger the inclination angle is easier to achieve for hard-core smash.

    There are many professional production of ultrasound cataract instrument companies, such as the US Alcon, Stroz, SDC and other world. Tsinghua University, China also developed a cataract BISH ultrasound emulsification instrument. Its resonance frequency is 40kHz, the total length of 135mm, needle diameter 1.1mm, the weight is only about 50g. Outside of a polymer sleeve package, you can prevent accidental injury of the cornea.

    Currently ultrasonic scalpel played an important role for the treatment of cataract.

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Pub Time : 2016-04-01 14:24:39 >> News list
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