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