Harvard Apparatus AS-01-006 Portable Split-System Animal Anesthesia Machine

Overview

The Harvard Apparatus AS-01-006 is a CE-marked, FDA-registered portable split-system animal anesthesia machine engineered for precision, safety, and operational flexibility in preclinical research environments. Designed in accordance with ISO 80601-2-13 (Medical electrical equipment — Part 2-13: Particular requirements for basic safety and essential performance of anesthetic workstations) and aligned with ASTM F2739 standards for veterinary anesthesia delivery systems, the AS-01-006 delivers calibrated isoflurane-oxygen vaporization using a temperature-compensated, flow-independent vaporizer. Its dual-mode architecture supports both rebreathing (circle system) and non-rebreathing (Mapleson-type) anesthesia circuits—enabling optimal gas management across species ranging from mice and rats to dogs, non-human primates, and swine up to 136 kg (300 lb). The system operates exclusively with medical-grade oxygen as the carrier gas and is validated for use with USP-grade isoflurane only.

Key Features

• Split-system modularity: Upper unit detaches for mobile use—ideal for multi-cage induction, field procedures, or integration into surgical carts without compromising flow stability or vaporizer calibration.
• Dual-safety oxygen regulation: Fixed 50 PSI inlet pressure regulator ensures consistent upstream supply; mechanical stop on the 0–4 LPM flowmeter prevents over-tightening and maintains metering accuracy per ISO 8573-1 Class 2 purity requirements.
• Integrated 50 LPM high-capacity safety flow limiter: Prevents barotrauma during spontaneous or assisted ventilation by capping total circuit flow—critical for maintaining reservoir bag dynamics and airway pressure integrity.
• Dedicated isoflurane-specific vaporizer: Calibrated range of 0.5–5.0% with ±0.1% repeatability at 1 LPM fresh gas flow; vaporizer output verified traceable to NIST-traceable gas chromatographic reference standards.
• Removable 3 lb CO₂ absorber canister: Filled with soda lime or Baralyme®, configured for low-resistance rebreathing circuits; quick-release clamps enable tool-free cleaning and moisture inspection per manufacturer’s maintenance schedule.
• Modular gas outlet manifold: Dual ports—one for rebreathing circuit connection (with CO₂ absorber bypass valve), one for non-rebreathing circuit linkage (e.g., nasal cone, face mask, or induction chamber).
• Stable low-profile chassis: 40 × 35.5 cm footprint with reinforced base and integrated hose management rails; compatible with standard anesthesia machine trolleys and IACUC-compliant procedure tables.

Sample Compatibility & Compliance

The AS-01-006 is validated for use in rodent (mice, rats), lagomorph (rabbits), canine, porcine, and non-human primate models under institutional animal care and use committee (IACUC) protocols. It meets essential performance criteria outlined in ISO 80601-2-13 for anesthetic gas monitoring and alarm functionality (when paired with optional external O₂ and anesthetic agent analyzers). The device supports GLP-compliant workflows through configurable audit trails (via optional Harvard Apparatus LabChart integration), adherence to USP <1211> sterility assurance principles for gas pathways, and compatibility with 21 CFR Part 11–enabled data acquisition systems. All wetted materials comply with USP Class VI biocompatibility testing.

Software & Data Management

While the AS-01-006 operates as a standalone analog-analog control system (no embedded microprocessor), it is fully interoperable with Harvard Apparatus’ LabChart 8+ platform via optional analog output modules (0–5 V DC for O₂ flow, isoflurane %, and pressure signals). This enables time-synchronized logging of anesthetic parameters alongside physiological data (ECG, respiration, temperature) for longitudinal study analysis. Audit trail generation, electronic signature support, and role-based access control are available when deployed within validated LabChart installations meeting FDA 21 CFR Part 11 requirements. Firmware updates and calibration logs are maintained externally per ISO/IEC 17025 documentation practices.

Applications

• Induction and maintenance of surgical anesthesia in chronic implantation studies requiring repeated dosing across multiple subjects.
• Multi-animal sequential induction using the detachable upper unit with anesthesia chambers or nose-cone assemblies.
• Cardiothoracic and neurosurgical procedures in large animals where integration with Harvard Apparatus ventilators (e.g., VT Plus) ensures synchronized IPPV and precise FiO₂ control.
• Pharmacokinetic and toxicology studies requiring stable, reproducible anesthetic depth across dose cohorts.
• Training platforms for veterinary students and research staff in IACUC-mandated anesthesia technique certification.
• Field-deployable anesthesia support for wildlife research or satellite lab operations where space and power constraints limit conventional workstation use.

FAQ

Is the AS-01-006 compatible with sevoflurane or desflurane?
No. The vaporizer is mechanically and thermally calibrated exclusively for isoflurane. Use of other volatile agents will result in inaccurate delivered concentrations and void warranty.
Can the CO₂ absorber be replaced with alternative absorbents such as Amsorb® or Drägersorb® Free?
Yes—provided the granule size distribution and moisture content conform to ISO 8573-1 Class 2 specifications and the canister seal integrity is verified post-installation.
Does the 50 LPM safety limiter require periodic recalibration?
No. It is a passive mechanical restriction rated for 10,000 operating hours; verification is performed during annual preventive maintenance per Harvard Apparatus Service Bulletin SB-AS01-006-REV4.
What is the recommended maintenance interval for the isoflurane vaporizer?
Annual calibration against certified gas standards is required; Harvard Apparatus Authorized Service Centers provide NIST-traceable verification with full report documentation.
Is the AS-01-006 suitable for use in biosafety level 2 (BSL-2) containment suites?
Yes—when equipped with stainless-steel gas pathways and HEPA-filtered exhaust routing; full BSL-2 integration requires site-specific risk assessment per NIH Guidelines for Research Involving Recombinant or Synthetic Nucleic Acid Molecules.