Energy

Question 1

Vessel sealing indication for harmonic focus + shears with ATT is ?

Answer 1

Up to an including 5mm indicated

Question 2

The 4 steps to proper use of ENSEAL X1 are ?

Answer 2

Close, seal, cut, open

Question 3

The offset electrodes of the ENSEAL G2 device ?

Answer 3

Reduce lateral thermal spread

Question 4

For ENSEAL X1 devices the GEN 11 generator with adaptive tissue technology ?

Answer 4

Optimises the energy delivery based on the unique properties of the tissue

Question 5

What is the angle of articulation on the ENSEAL G2 ?

Answer 5

110 degrees

Question 6

Harmonic HD1000i incorporates what?

Answer 6

Integrated transducer

Question 7

Name the major ligasure competitor to ENSEAL X1, Harmonic Focus + and Harmonic Ace +

Answer 7

Ligasure Impact, small jaw and Maryland

Question 8

Adaptive tissue technology facilitates ——————-

Answer 8

Strong and secure sealing of vessels up to and including 7mm

Question 9

Adaptive tissue technology works differently in ENSEAL and HARMONIC devices what does it measure in each?

Answer 9

ATT measures electrical impedance in ENSEAL devices and Mechanical impedance in HARMONIC

Question 10

Adaptive tissue technology is?

Answer 10

Always on and actively monitoring the conditions of the tissue in the jaws of the device

Question 11

Hyperthyroidism ( overactive ) thyroid may lead to ?

Answer 11

Weight loss, increased HR and nervousness

Question 12

In a hemithyroidectomy the surgeon would divide the thyroid along the midline at which anatomical landmark?

Answer 12

The isthmus

Question 13

The posterior wall of the thyroid gland is the location of what 4 structures?

Answer 13

The 4 parathyroid glands

Question 14

The ENSEAL X1 does not have an integrated transducer but it does have which 3 features ?

Answer 14

Silicone coated jaws
360 degree single hand rotation
Adaptive tissue technology

Question 15

Positive temperature coefficient PTC is the only technology today that automatically?

Answer 15

Maintains tissue temp during surgery at approximately 100 degrees Celsius

Question 16

HARMONIC HD1000i using advanced haemostasis mode can seal vessels how much faster than previous generations ?

Answer 16

40% faster than Ace +7

Question 17

On the handle of the HD1000i what buttons would you find ?

Answer 17

Single energy button plus advanced hemostasis button

Question 18

With the harmonic family of devices electrical current is converted into mechanical energy where?

Answer 18

Harmonic handpiece

Question 19

Tell me about the MIN and MAX settings with regard to cutting speed and blade displacement?

Answer 19

MIN priority is coagulation decreased cutting speed and blade displacement
MAX priority is cutting increased cutting speed and blade displacement

Question 20

Advanced hemostasis is comprised of 3 modes?

Answer 20

P - Pre heating
V - Vessel sealing
T - Transection

Question 21

Mega soft pt return electrode is best described as a ?

Answer 21

Top gel / conductive mesh / bottom gel

Question 22

ACE mode unique to the Mega power ESU

Answer 22

Automatically controls the output power to provide a consistent cutting effect

Question 23

Ohs law ?

Answer 23

Voltage = current x resistance 
V = I x R

Question 24

How are bipolar forceps different to monopolar devices ?

Answer 24

Electricity passes between the 2 tines of a bipolar instrument

Question 25

Mega soft mat is best described as a ?

Answer 25

Capacitive return electrode pad

Question 26

Capacitor is defined as and explain Megasoft as a capacitive return electrode?

Answer 26

2 conductors separated by an insulator.
In the Megasoft example pt is first conductor
Top layer of gel is an insulator
And conductive mesh is 2nd conductor with induced current

Question 27

Megadyne EZ clean electrodes are coated with which chemical and what 2 characteristics does it have ?

Answer 27

PTFE
Poly tetra fluoro ethylene
Worlds slipperiest chemical also highly durable

Question 28

Neuromuscular stimulation ceases at what frequency ?

Answer 28

100 Hz

Question 29

In RF electrosurgery wall power of 60Hz is converted to what sort of frequency by most devices in this market segment ?

Answer 29

Over 400,000 Hz

Question 30

The controllable physical factors necessary for tissue sealing ?

Answer 30

Heat,Compression and Time

Question 31

What are the desirable factors in a energy device ?

Answer 31

Low thermal spread, minimal tissue injury