computer controlled i nstant r esponse ™ system provides safer and more precise electrosurgery. tm
TRANSCRIPT
Computer controlled INSTANT RESPONSE™ system provides safer and more precise electrosurgery.
TM
Tissue Response TechnologyTissue Response Technology
Tissue Impedance
INPUT
Computer Controlled
OUTPUT
Computer Controlled Tissue Response Computer Controlled Tissue Response TechnologyTechnology
Responds instantly to changes in tissue impedance/resistance.
Maintains clinical effect over a wide range of tissue impedances/resistances.
The computer circuit is:
Automatically invoked• All cut modes• All bipolar modes
Not applied to coag modes• Fulguration capabilities
Tissue Response Generator
Tissue types vary in impedance/resistance
Effective over a wide range of tissue impedances/resistances
Tissue Response Generator
The computer circuit senses tissue impedance/resistance
Approximate Tissue Impedance/Resistance RangesApproximate Tissue Impedance/Resistance Ranges
0 1000 2000 3000 4000 5000
Buzz HemostatsDesiccate - stop bleeding
Prostate in nonconductive solutionMuscle, Eye, Skin, Kidney, Pancreas
Oral Cavity, Liver
Gall Bladder
Bowel, Brain Gray Matter, Adipose, Spleen
Mesentary, Brain White Matter, Omentum
Lung, Scar, Adhesions
resistancewhen bloody
resistance when dry
KEYResistance in Ohms at Radio Frequency
when Cutting or Desiccating
Increasing tissue impedance/resistance
Provides instant response to changes in tissue impedance/resistance
Produces consistent tissue effect
Controls maximum output voltage
• Reduces capacitive coupling and video interference
• Minimizes sparking
Tissue Response Generator
Computer controlled output is automatically adjusted
Thermal DamageThermal DamageStandard ES Tissue Response
Average thermal spread = .35 mm Average thermal spread = .14 mm
50% reduction in thermal spread
Tissue response produces equivalent tissue effect at lower power settings
Capacitively Coupled Current MeasuredCapacitively Coupled Current Measured on a Metal Cannula on a Metal Cannula
260
240
220
200
180
160
140
120
100
80
Tissue ResponseStandard ES
Impedance (ohms)
Cur
rent
(mA
mps
)
200 300 1000 2000
Coag at 120 Watts
Peak to Peak VoltagePeak to Peak VoltageGenerator Technology Comparison in Pure CutGenerator Technology Comparison in Pure Cut
GroundReferenced
BalancedOutput
Isolated TissueResponse
TissueResponse(Low Pure)
0
1000
2000
3000
4000
5000
6000
GroundReferenced
BalancedOutput
Isolated TissueResponse
TissueResponse(Low Pure)
Volts
Tissue Response Generator
Output Power vs ResistanceOutput Power vs ResistanceTissue Response Pure Cut Mode vs Conventional Pure Cut ModesTissue Response Pure Cut Mode vs Conventional Pure Cut Modes
0
50
100
150
200
250
300
350
400
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Cut A
Cut B
Tissue Response
Resistance in Ohms
Ou
tpu
t P
ow
er i
n W
atts
Tissue Response Generator
Generator Setting300W
Increasing tissue impedance/resistance
Output Power vs ResistanceOutput Power vs ResistanceTissue Response Generator
Tissue Response Blended Cut Mode vs Conventional Blended Cut ModeTissue Response Blended Cut Mode vs Conventional Blended Cut Mode
0
50
100
150
200
250
0 200 400 600 800 1000 1200 1400 1600 1800 2000
Conventional Blend
Tissue Response
Resistance in Ohms
Ou
tpu
t P
ow
er i
n W
atts
Generator Setting200W
Increasing tissue impedance/resistance
Advantages in MonopolarAdvantages in Monopolar
Provides computer controlled output in:
Cut Mode• Less thermal damage to adjacent tissue• Lower power settings required to achieve desired
effect• Less sparking reduced stimulation of nerves and
muscles• Reduced drag
Spray Coag Mode• Wide area of effect with less spot penetration
Tissue Response Generator
Advantages in BipolarAdvantages in BipolarProvides computer controlled output in:
Low• Delicate tissue• Fine control of desiccation• Low voltage prevents sparking
Med• Standard tissue application• Low voltage prevents sparking
Macro• Higher resistance tissue• Higher voltage available• Designed to function with new generation of laparoscopic instruments
Tissue Response Generator
Standard ES Tissue Response
High voltage causes sticking and charring
Reduces power to slow coagulation
Reduces power into high impedances to limit cut capability
Voltage is limited to reduce sticking and charring
Maintains power to speed coagulation
Maintains power in high impedance tissue to reduce drag
Bip
olar
Coa
gula
tion
Mac
robi
pola
r
Incorporates previous technology safety features
Isolation
Return electrode monitoring
Functions with other technologies
Argon enhanced electrosurgery
Accepts current accessories
Monopolar electrodes and footswitches
Bipolar electrodes and footswitches
Tissue Response Generator
Surgical ApplicationsSurgical Applications
General
Laparotomy incision
Mastectomy
Urology
TUR Prostate
GYN
Orthopedics
Plastic
Tissue Response Generator
SkinFat
MuscleFascia
Peritoneum
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