Veterinary ventilator and anesthesia machine

Cost-effective, purpose-built solution specifically for veterinarians that needed a portable anesthesia and ventilatory device

Wound Assessment Device - Detailed prototype view

System Characteristics

Sensors and Measurement

Anesthesia and single lead ventilator
Open loop O2 control
Extraction of ventilatory parameters from a reduced number of sensors
Li-ion battery fuel-gauge

Hardware Capabilities

1 large brushless DC blowers (150W)
Custom valves and pneumatic circuit
Firmware designed with a hard real-time premise
Reliable solution for a needy niche

Interface and Safety

7" touchscreen interface controlled by a single 8-bit microcontroller
Pneumatic and electronic controls for simplicity and cost reduction
Continuous operation device
Anesthesia operation mode

Project Description

Prior to the development of this device, the Brazilian veterinary market faced a significant gap: the lack of a cost-effective, purpose-built solution tailored specifically for veterinarians that needed a portable anesthesia and ventilatory device.

This project introduced me to new areas such as customer-centric design, user interviews, field performance evaluations (that’s me in the picture), and direct collaboration with the client.

The result was a functional, user-friendly device that remains affordable for the majority of veterinarians, addressing a critical need in the market.

Core service areas and leadership initiatives

Technical Project Leadership

Project owner
Technical specification and client meetings
Project transfer to production
Production and transfer plans

Hardware Development

Designed and specified sensing circuits
Plan and developed FiO2 control loop
Extended life-time tests
Custom control systems for large BLDC motors

Algorithms and Software

Custom Algorithms for system control
Bare metal application for efficiency and reliability
Designed and validated calibration methods
Responsive and intuitive user interface

Project Gallery

Front view of the respiratory monitoring system

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