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Needles & Sutures
Surgical Unit 3
Mukhdoom BaharAliRoll No. 101
Needles are of two types;Straight NeedlesCurved 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
Needle Holder
Larger Jaw
Smaller Jaw
Longitudinal Groove
Difference b/w Forceps & Needle
HolderFeatures Artery
ForcepsNeedle 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;Cutting NeedleRound Body Needle
Because of piercing ability
Absorbable
Non-absorbable
Sutures
Catgut
Vicryl
Prolene
Silk
Brown
Catgut
Violet
Vicryl
Blue Prolene
SilkBlack
Color Coding for Sutures
Features
Catgut
Vicryl Prolene
Silk
Source Sheep Intestin
e
Synthetic Poly-propylen
e
Silk Larva
Duration 20-30 days
90 days Life long Life long
Use Urinary bladder,Cystic artery
Gut anastom
osis
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