3 SELECTION

Question 1

________must have prolonged contact time (15 - 60 minutes) to sterilize surgical equipment. In addition, the instruments must be rinsed completely with a sterile solution like ________ to prevent tissue irritation.

Answer 1

Cold sterilant solutions (hypochlorite, glutaraldehyde, etc.) - Generally, cold sterilants

Saline

Question 2

• This device is a small tabletop unit, approximately 6 x 6 x 8 inches. The appliance heats a small container of Pyrex beads to approximately 250 C and can sterilize the tips of metal surgical instruments in 10-20 seconds. It is very useful for sterilizing instruments between rodents when performing surgeries on multiple animals.

Answer 2

Hot bead sterilizer -

Question 3

• Many instruments and supplies can be purchased in sterilized packaging. Such items must be used prior to the label expiration date.

Answer 3

Pre-sterilized items

Question 4

• Special consideration needs to be made for items that will be implanted (i.e. left in the animal after surgery is completed). Many of these items are “sensitive and/or fragile” and can be difficult to sterilize. Possibilities include use of ultra-short autoclave cycle, ethylene oxide, or use of a cold sterilant. Note: Use of alcohol alone is not a sterilant.

Answer 4

Implanted Items -