Surgical Instruments: Surgical Scissors Explained

In the Emergency Room, Sugical scissors are most usually used for cutting. Most scissors are designed for use with the right-handed grip that enables direction control and precision of cuts. Having a thumb-ring grip gives the greatest control & movability that applies max closing, shear and torque forces with a natural grip-ping motion of the right hand.

You could find many different types of surgical scissors like there shapes & sizes, each of the surgical scissors have a name of a famous surgeon, there are 2 types for this: ones with curved blades & ones with straight blades.

The surgical scissors with the greatest mobility have curved blades, & visibility means you can have a smooth curve simply through tissue. The basic surgical scissor has a scale of 15-20 degrees. Curved surgical scissors are extremely useful deep in a wound where horizontal cutting with good visibility is best. When cutting through rough tissue, straight surgical scissors have a substantial advantage. In some instances, straight surgical scissors can provide a more precise straight cut than the curved ones. Curved surgical scissors have 30 to 40 degree more mobility and visibility than straight ones.

A range of bone cutters are largely surgical scissors for specific purposes. This is due to the counter-efforts that bone does for cutting, a plamed grip with surgical instruments, in certain cases with both hands, is needed as a replacement for of the finger grip used with other surgical scissors. The jaws of bone-cutting medical tools close more or less suddenly under great tension as the bone fragments split. The tips of the blades, thus, should be clear of any structure you do not desire to contain in the cut. i.e., When using rib cutters its mostly customary to point the shears perpendicular to the chest wall with the open blades beside rather than aimed toward the intercostals bundle. After you start a bite using the bone rongeurs, kerrisons or any other type of cutters, all tensions directed into the wound is relaxed, so that the surgical instrument will not slip deeper as the bite is accomplished. When the only tension on the tissue is between the jaws of the surgical instruments, security is then gained.

Surgical scissors can dissect flaccid tissue successfully because the tissue is stabilized between the scissor blades. Surgical scissors cutting employs closing power, shear & torque to effect an exact cut. Push-cutting allows straight cuts along the grain of a sheet of tissue. “chewing” happens when you jagged & crusehd wound stuck between the blades of surgical scissors lacking in slicing force.

When your cutting sutures with your scissor tip, look for the knot between the slightly spread blades, instead than underneath the surgical scissors. Try the left hand, someone else, or another stable structure be sure to steady the scissors when you do a delicate cut or when held by antoher person cutting sutures. When your cutting a row of sutures, place the structure in your left hand do this so the single one can “taut” as you cut it & they do this so that the slice sutures are held out of the way.

Blunt dissection can be achieved by spreading scissor blades between tissue planes or by doing a probe or rake by using surgical scissors. Its sometimes ok to do blind dissection when its useful in between tissue plane structures. for better maneuverabilty & visibilty use curved scissors, whereas straight surgical scissors provide the greatest mechanical advantage when cutting tough, thick tissue.

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A editorial is by Collen T.

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