A7™ Operating Instructions 046-004667-00 9 - 13
Product Specifications Anesthetic Gas Scavenging System (AGSS)
9.8.7 Breathing System Temperature Controller
9.8.8 Breathing Circuit Parameters
9.8.9 Materials
All materials in contact with the patient’s exhaled gas are autoclavable, except the flow sensors
and pressure gauge. All materials in contact with the patient's gas comply with ISO 10993-1, ISO
10993-5, ISO 10993-10.
9.9 Anesthetic Gas Scavenging System (AGSS)
9.10 Suction device
Breathing System Temperature
Maintained to:
35ºC typical at 20ºC ambient temperature
Note: The block heater does not operate while the system is being powered by the internal battery supply.
TABLE 9-19
Breathing System Temperature Controller
System Compliance: Volume of gas lost due to internal compliance (manual
ventilation mode (bag) only):
≤ 2 ml/cm H
2
O
Internal Compliance: ≤ 4 ml/cm H
2
O
Impedance in Manual Mode: ≤ 6 cmH
2
O (the gas under test is a bi-directional sine wave
at a frequency of 20 with tidal volume of 1 L)
Impedance in Automatic
Ventilation Mode:
≤ 6 cmH
2
O (the gas under test is a semi-sine wave at a
frequency of 20 with tidal volume of 1 L)
Leakage: ≤ 150 ml @ 3 kPa
System Safety Pressure on
Patient Circuit:
110 ± 10 cmH
2
O @ 10 to 110 L/min
TABLE 9-20
Breathing Circuit Parameters
Type of the Applicable
Disposable System:
Low flow
Size: 430 mm x 132 mm x 114 mm
Tolerance: +/- 5 mm
Weight 2.15 kg +/- 0.05 kg
Extract Flow: 25 to 50 L/min
Resistance: ≤ 0.35 kPa @ 75 L/min
TABLE 9-21
Anesthetic Gas Scavenging System (AGSS)
Performance category: Pharyngeal Suction
Supply External vacuum
Maximum vacuum 517.5 mmHg to 540 mmHg (69 kPa to72 kPa) with external
vacuum applied of 540 mmHg and 40 L/min free flow
Maximum Flow 39 L/min to 40 L/min with external vacuum applied of 540
mmHg and 40 L/min free flow
TABLE 9-22
Suction device
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