Shared Flashcard Set

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Instruments FROM BOOK
JJC Vet Tech 117
141
Veterinary Medicine
Undergraduate 1
02/03/2014

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
By what qualities are scissors generally classified?
Definition
type of points, blade shape, cutting edge
Term
Most common scissors used in surgery?
Definition
Metzenbaum and Mayo
Term
scissors used to cut fine/thin tissue
Definition
Metzenbaum
Term
scissors used to cut any heavy tissue like fascia, cartilage, muscle masses
Definition
Mayo
Term
tenotomy
Definition
to cut a tendon
Term
forceps with small serrations for good grip with minimal trauma
Definition
Brown-Adson
Term
hemostatic forceps used to hold off medium-sized vessels or small tissue masses; has serrations on half of jaw
Definition
Kelly
Term
hemostatic forceps used to hold off medium-sied vessels or small tissue masses; has serrations on entire length of jaw
Definition
Crile hemostat forceps
Term
Hemostatic forceps about 8" long, with vertical and horizontal grooves on the jaw near the tip; jaw about 3.5"; used to clamp large vessels or tissue masses
Definition
Rochester-Carmalt
Term
Name some hemostatic agents (hint: substances, not tools):
Definition
-bone wax, gelatin/cellulose products (SurgiCel, Gelfoam)
Term
Name some hemostatic agents (tools):
Definition
-metal clips/staples (Surgiclips, LDS)
Term
When using a clip or staple on a blood vessel, the vessel should be __ - __ of the clip's size, and vessel should compress to <___mm.
Definition
1/3 - 2/3; <0.75mm
Term
electrocautery vs electrocoagulation
Definition
electrocautery: needle tip / scalpel heated before applied to tissue

electrocoagulation: heat generated in tissue as high freq current passes through
Term
Excessive use of ___ retards healing.
Definition
electrocoagulation
Term
Self-retaining retractor frequently used in soft tissue Sx, particularly abdominal procedures; has 3rd blade for cranial retraction
Definition
Balfour
Term
Self-retaining retractor used for thoracotomies; adjustable blades and sturdy construction; large or small sizes
Definition
Finochietto
Term
Instrument that has cupped tips with sharp edges and squeeze-action handles; used to break up bone for grafting or remove unnecessary bone
Definition
bone rongeurs
Term
tool used to scrap surface of dense tissue
Definition
curette
Term
tools used for cutting into bone
Definition
osteotomes, chisels
Term
tools used to bore holes
Definition
trephines
Term
double-ended retractor with 3 curved prongs on one end, and a flat, curved blade on the other
Definition
Senn retractor
Term
instrument used to remove periosteum
Definition
periosteal elevator
Term
instrument used in open castrations to crush and sever spermatic cord
Definition
emasculator
Term
instrument used in closed castrations in a clamping manner, especially in areas where flies are a problem
Definition
emasculatome
Term
large tool for removing horns
Definition
Barnes dehorner
Term
Instruments are usually made of ___ ___, a compound of ___, ___, and ___.
Definition
stainless steel, a compound of iron, chromium, and carbon
Term
Martinistic describes...
Definition
stainless steel with higher carbon content, making it harder

-cutting instruments
Term
Austenitic describes...
Definition
stainless steel with higher chromium and lower carbon content, resulting in less strength

-hemostats, needle holders
Term
What might be added to an austenitic needle holder? Why?
Definition
tungsten carbide inserts to increase durability
Term
5 steps of producing surgical instruments?
Definition
1. forging
2. milling
3. tempering
4. passivation
5. polishing
Term
What is passivation?
Definition
using a chemical bath to remove particles, strengthen steel, and protect against rust
Term
Describe the basic parts of a surgical instrument:
Definition
-jaw or tip
-box lock (only if ring handles present)
-shank or shaft
-ratchet (only if ring handles are present)
-ring handles (if present)
Term
What parts of a surgical instrument are only found on items with ring handles?
Definition
box lock and ratchet
Term
What are operating scissors used for?
Definition
cut only inanimate objects
Term
Designs of operating scissors?
Definition
-straight or curved
-sharp or blunt tips
Term
Design of Mayo dissecting scissors?
Definition
-thick blades approx. 1/3 total length
-straight or curved blades
Term
Design of Metzenbaum dissecting scissors?
Definition
-thin, delicate blades approx. 1/4 total length
-long, thin shaft
-straight or curved blades
Term
Design of suture removal scissors?
Definition
-one blade in hook shape
Term
Where are suture scissors usually found?
Definition
-treatment area or exam room, not packs
Term
How many styles of hemostat are typically used in vet med?
Definition
5
Term
Hemostatic forceps with small jaws, fine horizontal serrations on whole length of tip
Definition
Halstead mosquito
Term
extremely strong forceps that is quite traumatic; crushing jaw design with one raised and one recessed jaw; can be used for any vessel and tissue that does not need to be viable
Definition
Ferguson Angiotribe
Term
Which "hemostatic" forceps is not a true hemostat?
Definition
Ferguson Angiotribe
Term
Hemostatic forceps about 8" long, with horizontal serrations on whole length of jaw; jaw about 3.5"; used to clamp large vessels or tissue masses
Definition
Rochester-Penn
Term
The only instrument designed with the intent of holding metal? Significance of this?
Definition
needle holders- don't use anything else to hold needles or place scalpel blades on handles
Term
Small needle holder used for SA, special species, and extraocular surgery?
Definition
Derf
Term
Needle holder with scissors built into the jaws?
Definition
Olsen-Hegar
Term
Commonly used needle holder that comes in various lengths?
Definition
Mayo-Hegar
Term
Needle holder similar to Mayo-Hegar, but with more delicate jaw?
Definition
Crile-Wood
Term
Which scalpel blades fit on No. 3 handle?
Definition
10-19
Term
Which scalpel blades fit on No. 4 handle?
Definition
20-29
Term
Use a ___ grip to hold a scalpel.
Definition
pencil grip
Term
Most common scalpel blade used in SA Sx?
Definition
no. 10
Term
Scalpel blade used primarily for skin incisions?
Definition
no. 10
Term
Scalpel blade that tapers to a point and is used for stab incisions?
Definition
no. 11
Term
Scalpel blade with hook shape and cutting edge on the inside of the hook, often used for feline declaws?
Definition
no. 12
Term
Scalpel blade that has the shape of no. 10, but is half the length?
Definition
no. 15
Term
Instruments that resemble tweezers are called _______. What are they used for?
Definition
-thumb tissue forceps
-grasp and retract tissue on short-term
Term
With which hand do you hold thumb tissue forceps?
Definition
non-dominant
Term
Thumb tissue forceps originally designed as a cardiovasc. instrument, with ridge/groove design instead of teeth; used for delicate tissue in thoracic, vascular, or neuro. procedures?
Definition
DeBakey thoracic thumb tissue forceps
Term
Thumb tissue forceps with straight shaft, length of 5-12", and tips of 1x2 or 3x4 teeth?
Definition
Tissue thumb forceps
Term
Thumb tissue forceps with traumatic, bulky tip, general used on tissues to be removed?
Definition
Russian thumb tissue forceps
Term
Thumb tissue forceps with a very narrow tip and 1/2" shaft, with various tips?
Definition
Adson thumb tissue forceps
Term
Name the 3 tips for Adson thumb tissue forceps.
Definition
Adson dressing, Adson-Brown, Adson 1x2
Term
Adson dressing
Definition
Forceps tip with no teeth, but has flat serrations for gripping dressing
Term
Adson-Brown
Definition
Forceps tip with 2 parallel rows of 9 shallow teeth on each tip
Term
Which Adson tip is a common general Sx forceps, found in most gen Sx packs?
Definition
Adson-Brown
Term
Adson 1x2
Definition
Forceps tip with 1 tooth on one tip, and 2 teeth on other tip; these teeth interdigitate and can be traumatic
Term
Not a hemostat or thumb tissue forceps; has a traumatic 3x4 or 4x5 tip and ringhandles; used to grasp rough tissue or tissue being removed
Definition
Allis tissue forceps
Term
Handheld, double-ended retractor with different lengths of blades; no teeth
Definition
US Army
Term
Handheld, double-ended retractor with one narrow, blunt blade, and one toothed, traumatic end; teeth can be sharp or blunt
Definition
Senn
Term
Self-retaining retractor with single, sharp-pointed tips, useful in orthopedic or neurologic Sx
Definition
Gelpi
Term
Self-retaining retractor with sharp or blunt teeth in the jaw, used more often in orthopedic Sx
Definition
Weitlaner
Term
What are towel clamps?
Definition
instruments used to secure sterile drapes to the patient during surgery, or to secure sterile drapes to one another
Term
The most common style of towel clamp?
Definition
Backhaus
Term
Common style of towel clamp, with penetrating tips and 3.5 or 5.5" sizes
Definition
Backhaus
Term
Towel clamp with balls on tips to prevent placing it too deeply into the tissue
Definition
Roeder
Term
Penetrating towel clamp with squeeze-handle mechanism; more delicate and lightweight; good for smaller patients
Definition
Jones
Term
Non-penetrating towel clamp in 3.5 or 5.5" sizes; good for securing second-layer drapes to ground drapes
Definition
Lorna / Edna
Term
Instrument used to find and exteriorize uterine horns during spay of k9/fe
Definition
Snook spay hook
Term
Instrument used to assist solo vet during spay; isolates uterine horn
Definition
Dowling spay retractor
Term
Spring mounted on a metal base that stores "eyed" free needles during autoclaving.
Definition
Needle rack
Term
Instrument that aids in the cutting of the linea alba by providing a channel along which the scalpel can slide.
Definition
Groove director
Term
Instrument with two teeth on one side and one tooth on the other; used to remove staples
Definition
staple remover
Term
item used to hold saline for lavage or to store sharps during procedure; should be at least one in every instrument pack
Definition
bowl
Term
What instruments can be used as intestinal clamps?
Definition
Rochester-Carmalt if tissue is being removed. Doyen or Babcock if tissue is remaining in patient.
Term
____ intestinal forceps resemble the ____ tissue forceps.
Definition
Babcock, Allis
Term
Penetrating towel clamp with squeeze-handle mechanism; more delicate and lightweight; good for smaller patients
Definition
Jones
Term
Non-penetrating towel clamp in 3.5 or 5.5" sizes; good for securing second-layer drapes to ground drapes
Definition
Lorna / Edna
Term
Instrument used to find and exteriorize uterine horns during spay of k9/fe
Definition
Snook spay hook
Term
Instrument used to assist solo vet during spay; isolates uterine horn
Definition
Dowling spay retractor
Term
Spring mounted on a metal base that stores "eyed" free needles during autoclaving.
Definition
Needle rack
Term
Instrument that aids in the cutting of the linea alba by providing a channel along which the scalpel can slide.
Definition
Groove director
Term
Instrument with two teeth on one side and one tooth on the other; used to remove staples
Definition
staple remover
Term
item used to hold saline for lavage or to store sharps during procedure; should be at least one in every instrument pack
Definition
bowl
Term
What instruments can be used as intestinal clamps?
Definition
Rochester-Carmalt if tissue is being removed. Doyen or Babcock if tissue is remaining in patient.
Term
____ intestinal forceps resemble the ____ tissue forceps.
Definition
Babcock, Allis
Term
How do the Babcock intestinal forceps differ from the Allis tissue forceps?
Definition
Babcock has tips with tiny bumps, Allis has teeth
Term
Retractors that can be conformed to desired size and shape are called ___.
Definition
malleable
Term
Name some thoracic forceps:
Definition
Satinsky, Cooley, and 90-degree Mixter
Term
What are thoracic forceps used for?
Definition
clamp off vessels during thoracic Sx
Term
What instruments do you need to perform a punch biopsy?
Definition
punch biopsy instrument, Metzenbaum scissors, and thumb tissue forceps
Term
Usual sizes of punch biopsies?
Definition
2mm, 4mm, 6mm
Term
Instrument that takes a small piece of tissue (approx size of pencil lead) for microscopic evaluation?
Definition
needle punch biopsy instrument
Term
Ultrasound-guided biopsies of organs often use this instrument...
Definition
needle punch biopsy instrument
Term
What instruments are used for bone biopsy?
Definition
Michele trephine or Jamshidi biopsy needle
Term
A small, less invasive bone biopsy is done with ___, whereas a larger sample and more invasive procedure are done with ___.
Definition
small: Jamshidi biopsy needle
large: Michele trephine
Term
What are bone holding clamps used for?
Definition
to hold bone together until fixation can be achieved
Term
What are periosteal elevators used for?
Definition
to elevate periosteum from bone so that implants can be placed
Term
Most popular periosteal elevator? What are some others?
Definition
most popular = Freer
others include ASIF, Synthese and Adson
Term
What happens to little bone chips that are too small to attach?
Definition
small pieces packed around fracture line to encourage new osteoblast formation and promote healing
Term
Instruments with squeeze handles and spring action, cutting-edged tips to cut through bone
Definition
bone cutters
Term
Single-handed instruments with cupped tip and sharp edges, used to harvest bone graft material or shape/scrape bony surfaces
Definition
bone curettes
Term
Instrument used to hold and drive intramedullary pins
Definition
Hand Chuck / Jacob's Chuck
Term
Surgical power tools can be powered by...
Definition
compressed nitrogens, batteries, or electricity
Term
DCP
Definition
dynamic compression plate
Term
Implants made from metal, ranging from 1/16 - 1/2"; used to stabilize fractures or soft tissue
Definition
intramedullary pins
Term
These instruments can be smooth-tipped or threaded.
Definition
intramedullary pins
Term
How are intramedullary pins placed?
Definition
hand chuck, or compressed nitrogen or electric drill
Term
Instrument used to remove excessive intramedullary pin after it is placed in the bone
Definition
pin cutter
Term
How is orthopedic wire secured?
Definition
wire twister, or previously used needle holders
Term
Bone plates are made of...
Definition
stainless steel, unless they are vertebral plates, which are plastic
Term
The width number on a bone plate refers to...
Definition
how big of a screw should be used
Term
The length number on a bone plate refers to...
Definition
# holes available to be filled with screws
Term
How can bone plates be bent and conformed to the shape of the bone?
Definition
handheld bone plate benders or TT plate bender
Term
After a hole is made in the bone, what instrument is used? Why?
Definition
depth gauge to determine how long of a screw you need
Term
What is used to prethread a hole in bone for a screw?
Definition
a "tap"
Term
External fixation implants are often used for what kind of Fx?
Definition
compound (open)
Term
Which is preferred: double-action or single-action rongeurs?
Definition
double
Term
A drill with burrs that removes 3 layers of lamina, exposing the spinal cord.
Definition
Hall air drill, pneumatic drill
Term
Some intraocular procedures can use what kind of scalpel and handle? Alternative instrument?
Definition
no. 15 blade on no. 3 handle, or Beaver blade
Term
Instrument most useful in the removal of an eyelid tumor?
Definition
chalazion lid speculum
Term
Instrument used to retract eyelids away from surgical site?
Definition
Barraquer wire speculum
Term
Instruments used to unblock lacrimal duct?
Definition
lacrimal cannulas
Term
Examples of thumb tissue forceps for ocular procedures?
Definition
iris 1x2, Bishop-Harmon, Colibri
Term
Many scissors used in ocular surgery have _____ operation.
Definition
squeeze-action
Term
General Sx tool modified for use in ocular procedures?
Definition
baby Metzenbaum dissecting scissors
Term
Scissors designed specifically for ocular procedures?
Definition
Castroviejo scissors
Term
What general-purpose utility scissors are used in ophthalmology? How do these differ?
Definition
Stevens tenotomy scissors & iris scissors

Iris scissors: longer blade that tapers at a more constant rate, sharper points
Term
Needle holders used in ocular procedures?
Definition
extraocular: small Mayo-Hegar or Derf
intraocular: Castroviejo
Term
Sponges used in ocular procedures?
Definition
extraocular: regular, radiopaque surgical sponges
intraocular: sterilized cotton-tipped applicators or surgical spears
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