Surgical Instruments and Suture

martensitic and austenitic

what are the 2 types of stainless steel commonly used for surgical equipment?

austenitic

which type of stainless steel is high tensile strength and resistant to corrosion, and used for surgical implants, bowls, and trays?

10, 11, 12, 15wh

which blades can be used with scalpel handle 3?

20-22

which blades can be used with scalpel handle 4?

3

which scalpel handle is used in small animal medicine?

10

which blade is used most commonly in small animal?

11

blade that tapers to a point, used to create a stab incision

12

blade with a hook shape with the cutting edge on the inside curve, used for cat declaws

15

blade same shape as 10 but half the length, used in smaller areas

radiosurgery unit

uses high frequency radiowaves instead of lower frequency alternating current, causes less tissue damage

will not cause burns

why isn coupling gel necessary for radiosurgery?

operating scissors

surgical scissors used for cutting suture and paper drape material

mayo scissors

surgical scissors used for cutting tough tissues and fascia

metzembaum scissors

surgical scissors used for cutting delicate tissues, soft tissue dissection

iris scissors

surgical scissors used in ophthalmic surgery

suture scissors

surgical scissors that cut suture, not wire

wire cutting scissors

surgical scissors to cut wire or wire sutures

bandage scissors

surgical scissors that cut bandage or dressing material

cut suture

what can some needle holders also do besides hold needles?

mayo hegar

needle holder that holds and ties for general surgery

olsen hegar

needle holder that holds, ties, and cuts for general surgery

castroviejo

needle holder that holds and ties for ophthalmic surgery

dressing thumb forceps

which type of thumb forceps do not have teeth

adson

thumb forceps with small interlocking teeth to grip delicate tissues

brown adson

thumb forceps with interlocking teeth, broader grip to grip tissues and suture needles

rat tooth or cushing

thumb forceps that have large interlocking teeth (2/1) to grip skin and fascia

iris

thumb forceps with small interlocking teeth, for ophthalmic surgery

desmarres chalazion

thumb forceps with large oval tips, one with hole, to hold eyelid when removing a mass

allis

tissue forceps that have teeth that crush, so only use on tissue to be removed

babcock intestinal

tissue forceps that are shaped like allis but have smoother grasping surface and less tip compression

doyen intestinal

tissue forceps that are more delicate, used to occlude and hold intestine

backhaus towel clamps

tissue forceps that have pointed and curved tips, used to attach drapes to the patient

halsted mosquito

hemostat with small transverse grooves across entire length to occlude small vessels

crile

hemostat with medum transverse grooves across entire length used on larger vessels

Kelly

hemostat like Crile but has transverse grooves on distal half of jaws only

rochester pean

hemostat with large transverse grooves across entire length to clamp tissue bundles and large vessels

rochester carmalt

hemostat with large longitudinal grooves across enitre length, cross grooves at tup, used to clamp tissue bundles containing vessels, commonly used during OHE to clamp ovarian pedicle or uterine body

kocher

hemostat like halsted mosquito except with 3 large interdigitating teeth on tip

rochester ochsner

hemostat like pean except with 3 large interdigitating teeth on tip

ferguson angiotribe

crushing hemostat with interdigitating jaws used during OHE to clamp ovarian pedicle containing large amount of tissue

handheld and self retaining

what are the 2 categories of retractors?

army navy

handheld retractor that is double ended with two smooth blades

senn

handheld retractor that is double ended with one smooth blade, other 3 prongs

spay or snook hook

handheld retractor used for expose uterine horn during OHE

gelpi and weitlaner

2 self retaining retractors used for muscles

balfour

self retaining retractor that distracts sternum and sides of incision to expose abdominal cavity

finochietto rib spreader

self retaining retractor that retracts ribs to expose thoracic cavity

yankauer

suction tip for general purpose

frazier

suction tip for orthopedic or neurologic surgery

poole

suction tip with an outer sleeve with small holes to prevent clogs, used in abdominal and thoracic cavities

5

what is the largest suture size

0 to 4-0

routine surgery uses which size suture?

knot tensile strength

force that suture can withstand before it breaks when knotted

relative knot security

holding capacity of the suture

phagocytosis

what process is surgical gut suture broken down by?

hydrolysis

what process are synthetic absorbable sutures broken down by?

0 to 20

what is the size range of suture needles?

vicryl and dexon

2 synthetic multifilament absorbable sutures- good knot security and minimal tissue reaction

dacron, ethibond, braunamid

3 synthetic multifilament nonabsorbable sutures- poor knot security, more tissue reactions

PDS and maxon

2 monofilament synthetic absorbable sutures- good knot security and minimal tissue reaction

ethilon or dermalon

2 synthetic monofilament nonabsorbable sutures- poor knot security, minimal tissue reaction

silk

natural multifilament suture- nonabsorbable, causes tissue reactions

root elevators

breaks down periodontal ligament

explorers

check for subgingival calculus

probes

evaluate depth sulcus, periodontal pockets

scalers

removes supra gingival calculus, sharp sides and tip

curettes

removes sub gingival calculus, sharp sides and rounded tip