BTX F700 Universal Small Animal Anesthesia Machine
| Brand | BTX |
|---|---|
| Origin | United Kingdom |
| Model | F700 |
| Anesthetic Vaporizer | Imported precision vaporizer for isoflurane and sevoflurane |
| Animal Compatibility | Mice, rats, guinea pigs, and small rabbits |
| Oxygen Flush Rate | Up to 10 L/min |
| Anesthetic Concentration Range | 0–5% (adjustable in 0.1% increments) |
| Flowmeter Range | 1–4 L/min (configurable single/dual/penta-channel) |
| Circuit Type | Semi-closed and open systems |
| Exhaust Management | Active and passive scavenging options |
| Form Factor | Benchtop and mobile configurations |
| Standard Accessories | Anesthesia main unit, induction chamber, anesthesia tubing, CO₂ absorbent canister |
| Optional Accessories | Multi-channel flowmeters, rodent-specific masks (mouse/rat), large/small scavenging canisters, maintenance platform |
Overview
The BTX F700 Universal Small Animal Anesthesia Machine is an engineered solution for precise, reproducible, and safe delivery of volatile anesthetics—including isoflurane and sevoflurane—to rodents and other small laboratory mammals. Designed according to internationally recognized principles of veterinary anesthetic gas delivery, the F700 employs calibrated precision vaporizers operating under constant-temperature, pressure-compensated conditions to ensure stable output concentration across variable fresh gas flows (1–4 L/min). Its semi-closed and open circuit configurations support both spontaneous breathing and ventilator-assisted protocols, making it suitable for longitudinal studies requiring repeated anesthesia sessions under consistent physiological conditions. The system integrates seamlessly into GLP-compliant animal research facilities and meets essential functional requirements aligned with ISO 8573-1 (compressed air quality), EN 740 (anesthetic workstations), and IEC 60601-1 (medical electrical equipment safety standards).
Key Features
- Imported temperature- and pressure-compensated vaporizer certified for isoflurane and sevoflurane—ensuring ±0.1% concentration accuracy within the 0–5% range
- Dual-mode oxygen flush system delivering up to 10 L/min for rapid induction or emergency desaturation reversal
- Modular flowmeter architecture: configurable with one, two, or five independent flow tubes (1–4 L/min range per channel), enabling simultaneous multi-animal procedures or staged dosing protocols
- Patented coaxial anesthesia/recovery tubing design minimizing dead space and cross-contamination risk during sequential use
- Benchtop and mobile chassis options with integrated casters and wall-mount adaptability for flexible lab integration
- Scavenging-ready exhaust interface supporting both active (vacuum-driven) and passive (activated charcoal absorption) waste-gas management per OSHA and NIOSH exposure guidelines
Sample Compatibility & Compliance
The F700 is validated for use with mice (15–35 g), rats (100–500 g), guinea pigs (300–800 g), and juvenile rabbits (<2 kg). Dedicated face masks—calibrated for species-specific tidal volume and respiratory rate—are included as standard. All wetted components comply with USP Class VI biocompatibility requirements. The system supports audit-ready documentation workflows compatible with FDA 21 CFR Part 11–enabled electronic records when paired with BTX’s optional data logging module. Device calibration certificates traceable to UKAS-accredited laboratories are provided with each unit shipment.
Software & Data Management
While the F700 operates as a standalone analog-digital hybrid instrument (no embedded OS), it features RS-232 and USB-C ports for connection to external acquisition systems. Optional BTX AnesthesiaLog™ software enables real-time recording of flow rates, O₂ concentration, and vaporizer output—synchronized with video timestamps and physiological monitoring feeds (e.g., pulse oximetry, ECG). All data exports conform to ASTM E1461-22 metadata schema, facilitating import into LabArchives, Benchling, or institutional LIMS platforms. Audit trails include operator ID, session timestamp, configuration changes, and calibration history—fully compliant with GLP Annex 11 and GMP Annex 11 expectations.
Applications
- Preclinical surgical preparation in oncology, neuroscience, and cardiovascular models
- Repeated-dose toxicology studies requiring stable anesthetic depth across multiple timepoints
- Functional imaging (fMRI, PET, optical tomography) where hemodynamic stability and low CO₂ rebreathing are critical
- Behavioral phenotyping protocols involving brief, standardized anesthesia windows
- Training platforms for veterinary and biomedical graduate students in inhalational anesthetic technique
FAQ
What anesthetic agents are supported by the F700 vaporizer?
The F700 accommodates both isoflurane and sevoflurane using agent-specific, factory-calibrated vaporizers—each installed separately per regulatory requirement.
Is the F700 suitable for use with ventilated animals?
Yes—the semi-closed circuit configuration includes adjustable CO₂ scrubbing capacity and pressure-relief valves compatible with rodent ventilators operating at tidal volumes of 0.2–1.5 mL and frequencies up to 120 breaths/min.
How often does the CO₂ absorbent require replacement?
Under typical mouse anesthesia (30-min sessions, 1 L/min flow), the standard 1.5-L canister lasts approximately 8–10 hours of cumulative use; colorimetric indicators signal exhaustion before breakthrough.
Can the F700 be integrated into an existing facility vacuum scavenging network?
Yes—its exhaust port conforms to ISO 5356-1 conical fittings and supports connection to centralized active scavenging systems rated ≥45 L/min at −50 mmH₂O vacuum.
Does BTX provide on-site installation and user training?
All F700 units ship with CE/UKCA declarations and include remote commissioning support; on-site technical training and IQ/OQ documentation packages are available upon request through authorized BTX distributors.

