Surgical Instruments Flashcards
What is the function of a scalpel?
To divide tissues with minimal trauma
Name the 2 sizes of commonly used scalpel handles
- Size 3
- Size 4
What size scalpel handle is used for small animal surgery?
Size 3
What size scalpel handle is used for large animal surgery?
Size 4
Name the 4 common sized blade used for small animal surgery, with a size 3 handle
Sizes:
* 10
* 11
* 12
* 15
Name the 3 common sized blade used for large animal surgery, with a size 4 handle
Sizes:
* 20
* 21
* 22
What is another name given to a much smaller scalpel handle?
A ‘beaver’ scalpel handle
What are smaller scalpel handles useful for?
Opthalmic work
Name 3 types of dissecting forceps
Also known as ‘thumb forceps’
- Plain
- Rat-toothed
- Debakeys
What is the function of forceps?
To hold tissues
What is the function of a plain dissecting forcep?
Plain ends, to hold delicate tissues
What is the function of a rat-toothed dissecting forcep?
Rat-toothed ends, to hold dense tissues
What is the function of a debakeys dissecting forcep?
To hold delicate tissues
How do you hold dissecting forceps?
Like a pencil
Name 4 types of scissors
- Mayo dissecting
- Metzenbaum
- Carless
- Paynes
What is the function of a mayo dissecting forcep?
Routine surgery
What is the function of a metzenbaum forcep?
Delicate surgery
What is the function of a carless forcep?
Suture cutting
What is the function of a paynes forcep?
Removing sutures
How do you hold scissors?
- Hold with ring finger + thumb inserted into the ring of the scissors
- Index finger is placed on the shaft, to guide the scissors
Name 6 types of haemostatic artery forceps
- Spencer wells
- Dunhiill
- Criles
- Cairns
- Kelly
- Halstead
What is another word given to halstead haemostatic artery forceps?
Mosquito!
2
What are haemostatic artery forceps used for?
To clamp (or occlude) blood vessels + stop bleeding
What type of surgical instruments have transverse striations that help hold tissues?
Haemostatic artery forceps
How do you hold haemostatic artery forceps?
The same as scissors
What are the function of mosquito forceps?
As they are the smallest of the haemostatic artery forceps, they are used to hold blood vessels
What are the functions of towel clamps?
To attach:
1. Drapes to patients
2. Instruments to the operating table
Name 2 common types of towel clamps
- Backhaus
- Gray’s cross-action
What are the functions of needle holders?
- Hold suture needles during suturing
- Facilitate knot tying
Name 4 types of needle holders
- Gillies
- Olsen-Hegar
- Mayo-Hegar
- McPhail’s
2
What is a ratchet, when it comes to surgical instruments?
A mechanisim, that locks the handles together
+
clamps the needle firmly between the jaws
What are the defining characteristics of gillies needle holders?
Have scissor type action, for cutting suture ends
Do gillies needle holders have a rachet?
No,
so you must hold the needle tightly
What are the defining characteristics of Olsen-Hegar needle holders?
- Have a cutting edge
- Very easy to cut suture matieral with
Do Olsen-Hegar needle holders have a ratchet?
Yes,
so you can hold the needle securely
What are the defining characteristics of Mayo-Hegar needle holders?
- Look like long-handled artery forceps
- No cutting edge
Do Mayo-Hegar needle holders have a ratchet?
Yes
What are the defining characteristics of McPhail’s needle holders?
Usually have a copper or tungsten carbide insert, in the tip
Do McPhail’s needle holders have a ratchet?
Yes, a spring-ratchet, that squeezes the jaws together, opening the holder + releasing the needle
2
What is the function of a retractor?
To expose the operating field +
maintain this
What are the 2 types of retractors?
- Handheld
- Self-retaining
Name 3 types of handheld retractors
- Langenbeck
- Senn
- Czemy
Name 6 types of self-retaining retractors
- Gelpi
- West’s
- Travers
- Gusset
- Balfour
- Finochiettto
What 3 types of self-retaining retractors are commonly used for muscles + joints?
- Gelpi
- West’s
- Travers
What 2 types of self-retaining retractors are commonly used for abdominal surgery?
- Gusset
- Balfour