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Surgical scissors

Surgical scissors are well known for use in various surgical procedures. Various kinds of scissors are knownt. Scissors generally consist of a pair of scissor blades each having an internal cutting edge and a pivot means whereby at least one of the scissor blades pivotally engages the other scissor blade such that its inside cutting edge engages the inside cutting edge of the other scissor blade in bearing contact from a point near the pivot means to a point along the cutting edges distal from the pivot means. Medical scissors normally consist of high-alloy stainless steel (medical steel). The scissors are hardened and polished so as to guarantee good cutting properties over an extended period of time. Electrocauterization is a process whereby blood vessels (bleeders) cut during a surgical procedure are sealed closed by applying electrical energy at the site to, essentially, fuse by heat the vessel opening. Surgical shears, or scissors, have been designed for use with electrosurgical energy. The combination of scissors and electrosurgery allows the surgeon to mechanically cut tissue while coagulating the cut tissue using electrosurgical current. Surgical scissors for use in endoscopically performed surgeries are of a size to fit distally through the endoscope while having operating handles proximally of the endoscope. Generally, the scissors include a proximal scissors-type handle, a central hollow tube through which a linkage from the handle passes, and a distal blade pair to which the linkage connects. Monopolar scissors, wherein both of the scissor blades form one pole and a remote body plate as the second pole, are available.

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