The correct way to hold surgical scissors
When looking for the best surgical scissors the market has to offer. It should be noted that maneuverability and control are essential. Surgical scissors can be used for sharp cutting and for blunt dissection.
Surgical scissors are made so that 3 force vectors can be used when cutting: torque, closure and shear. These forces are transferred from the arm to the hips and then receive a fulcrum to the cutting edges. The way the vanes come together is through the closing force. Shear is the force that pushes one blade flat against the other as it closes. Torque is when you use motion to bring the blade together to touch the other blade. Many designers of surgical scissors create these devices so that when you move your hands in the correct motion, the incision automatically cuts perfectly.
When cutting, for the best control and guidance, it is important to ensure that the fabric is properly positioned between the two blades and that the operator’s grip on the shears is secure, and the closer the fabric is to the fulcrum, the more for this. The blades tend to push the tissue out, bunching it up in front of the cutting action of the blades. The more obtuse the angle between the blades when cutting. You will get an inaccurate cut if you try to stabilize the fabric using the scissors.
To get a crisp, clean cut, try using a grip that is designed for all three force vectors. The most common and best way to have these surgical instruments is by putting your ring finger through your rings and the ends of your thumbs, holding the medical instruments, with your index finger placed near the fulcrum of the hips. This grip gives the largest “tripod” type and therefore gives the best stability for directional control. Torque and closing forces; it’s the grip that gives him much better control. The thumb and middle finger grip that gives your index finger better support on either side of the knuckles. The resulting three-point grip creates a smaller tripod than the previous method, making it slightly more unstable.
Hold the surgical scissors in a cutting motion, leaning forward, use a thumb grip. Such a grip only uses two-point directional control, which can cause the user to veer off course. The force can be strong when closing, this grip applies the least shear force and torque of any forward cutting grip. When you have less torque and shear, the blades will tend to create a choppy motion in the cut as if it has been chewed as opposed to a nice clean cut.
The thumb and forefinger grip used to cut in the opposite direction. Such a grip implements three-point directional control with good lateral stability, but shear and torque forces are practically non-existent, this tactic will require push cutting as the primary technique.
The backhand grip is a really light variation of the thumb-ring finger grip and is useful when cutting on the way to the forehand.
All handles discussed so far provide strong closing force. the best grip is the thumb-ring finger for better direction, torque and shear force. If you cut back, the grip is most stable in directional control. The other two handles, when used in reverse cutting, you can lose control.
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