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The adeor® Meridian™ Cranial Perforator is a sterile, single-use cutting accessory intended for cranial burr-hole trephination in neurological surgery. The Meridian™ Perforator is a single-use surgical device for cranium perforation. The device automatically releases and stops perforating at cranial bone thickness of at least 3 mm. The Meridian™ pediatric perforator version automatically releases and stops perforating at cranial bone thickness of at least 1.5 mm. The perforators are available in three sizes: for burr-hole diameters of 6 mm, 7 mm and 11 mm.

The Meridian™ Cranial Perforator is a sterile packed, single-use cutting device intended to perform cranial burr-hole trephination in neurosurgery, driven by powered sources having a standardized and commonly used Hudson fitting clutch. The device automatically releases and stops perforating at cranial bone thickness of at least 3 mm. The Meridian™ pediatric perforators automatically release and stop perforating at cranial bone thickness of at least 1.5 mm. Both versions are available for burr-hole diameters of Ø6. Ø7 and Ø11 mm. The Meridian™ Cranial Perforator per CFR. Part 882.4305, is a bone cutting and drilling instrument driven by a pneumatic or electric surgical motor in order to drill burr-holes through the skull of a patient. An integrated clutch mechanism prevents plunging of the perforator tip into the underlying dura and parenchyma tissue. The device is a Class II (USA) device and classified IIa in Europe (EEC). The Meridian™ Cranial Perforator is a device similar in design and construction to other cranial perforators currently on the market; (e.g.: Acra-Cut models DGR-II and Codman Disposable Perforators etc ... ) The Meridian™ Cranial Perforator requires a motor and an attached or integrated speed reducer in order to run the perforators at a speed range of 800 ... 1200 RPM.