Ligation and neuturing

What is castration

Neutering of male

What is spaying

Neutering of female

What is the purpose neuterinjg

• Health

• Behaviour

• Contraception

What are the pros of the flank method of cat spay

Fast and short convalescence

What are the cons of the flank method of cat spay

If something goes wrong it cant be fixed and must go to midline

hat are the pros of the ventral midline method of cat spay

Full access to abdomen so can deal with complications

hat are the cons of the ventral midline method of cat spay

Slightly slower and longer convalescence

What is a circumdeerential / encircling ligature

• One or two liagtures tied around a vessel

• Need sufficient pedicle to prevent ligature rolling off the end

• More secure by ligating in a groove created by an artery forcep

What is a halstead transfixed ligature

• More secure than circumferential

• Can only be used with fine suture material on smaller vessels

What is modified transfixed ligature

Enables use of thicker suture material on larger vessels

What does a circumferentail / encircling suture look like

What does the three clamp technique look like

What does the halstead transfixed laguture look like

What does modified transfixed ligature look like

When are friction knots used

When ligating the ovarian ligament in a bitch spay

What are the friction knots

• Miller’s knot

• Strangle knot

• Constrictor knot

What are the properties of friction knots

How do you locate the uterus

Displace bladder caudally and small intestine cranially and it will be lying on top of a colon in the midline beneath the bladder

How do you check for tighness of a ligature

• Blanching eather side of it

• Waist

• See the knot but not follow the tissue

When should cats be spayed

In anoestrus