Needles & Sutures Surgical Unit 3 Mukhdoom BaharAli Roll No. 101

Needles are of two types; SStraight Needles CCurved Needles Needles

Straight Needle

Curved Needle Tip of Needle

Curved Needles are used with the help of Needle Holder. Straight Needles are used either without or with the help of needle holder. Needle Holder

Larger Jaw

Smaller Jaw Longitudinal Groove

Difference b/w Forceps & Needle Holder FeaturesArtery Forceps Needle Holder Size of Jaws Half as Big Compared to Shaft Very Small Compared to Shaft Serrations on Jaws Transverse Crisscross or longitudinal groove for needle

Needles may be; CCutting Needle RRound Body Needle Because of piercing ability

AAbsorbable NNon-absorbable Sutures Catgut Vicryl Prolene Silk

Brown Catgut Violet Vicryl Blue Prolene Silk Black Color Coding for Sutures

FeaturesCatgutVicrylProleneSilk SourceSheep Intestine SyntheticPoly- propylene Silk Larva Duration20-30 days90 daysLife long UseUrinary bladder, Cystic artery Gut anastomosis Hernioraphy, vascular repair Skin Closure Salient Features

How Sutures Get Absorbed? Catgut Violet Degraded by body’s own proteolytic enzymes (inflammatory reaction). Absorbed by hydrolysis