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Air_Oxygen Blender Amaris Medical
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Air & Oxygen Blender

$1.00
An Air & Oxygen Blender is a Class II medical device that precisely mixes compressed medical air and oxygen to deliver controlled fractions of inspired oxygen (FiO2 21-100%) to patients requiring respiratory support. Essential in neonatal, pediatric, and adult critical care, these devices ensure accurate oxygen delivery via ventilators, CPAP systems, oxygen hoods, incubators, and transport systems. Operating at 40-60 psi inlet pressure, they maintain set FiO2 within ±2-5% accuracy across varying flow demands (0-120 L/min). Gas-specific DISS or NIST fittings prevent dangerous cross-connection between oxygen and air supplies. Available in wall-mounted, rail-mounted, portable, and ventilator-integrated configurations. Primary clinical applications include neonatal intensive care (oxygen hoods, incubators, nasal CPAP), pediatric and adult mechanical ventilation, non-invasive ventilation, and critical care transport. Critical safety requirements include verification of correct gas connections, regular calibration, leak testing, and immediate response to gas supply failure alarms. Indispensable for preventing both hypoxemia and oxygen toxicity (particularly retinopathy of prematurity in neonates) in patients requiring precise oxygen therapy.
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DO probe Amaris Medical
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Dissolved Oxygen Probe (DO Probe)

A DO Probe (Dissolved Oxygen Probe) is an analytical sensor used to measure the concentration of oxygen dissolved in a liquid sample, designed for clinical diagnostic, bioprocessing, and water quality applications . Dissolved Oxygen levels serve as a significative indicator to evaluate pathological conditions such as tissue hypoxia or hyperoxia, and are used to monitor the effects of therapeutic treatments in critical care settings . The probe outputs a signal (millivolt or digital) corresponding to the oxygen partial pressure (pO₂) after compensating for temperature and salinity .
Dissolved Oxygen probes are available in polarographic (electrochemical) or optical (RDO - Rugged Dissolved Oxygen) technologies. Polarographic probes (requiring a 30-60 minute warm-up, electrolyte solution, and periodic maintenance) are suitable for sensitive laboratory measurements, while optical probes (no warm-up, no electrolyte, low maintenance) are preferred for field-ready and point-of-care use . Polarographic probes consume oxygen during measurement and therefore require sample stirring, whereas optical probes do not consume oxygen and require no stirring.
For the clinical researcher and critical care physician, dissolved oxygen probes used in conjunction with tissue monitors enable the long-term measurement of tissue oxygenation and perfusion in organs such as the kidneys and brain, providing valuable insights into the causes of acute kidney injury and cognitive impairment following sepsis or cardiopulmonary bypass. For the bioprocessing engineer, autoclavable dissolved oxygen sensors are essential for monitoring and controlling oxygen levels in sterile bioreactors, ensuring optimal conditions for cell culture and recombinant protein production. For the laboratory quality manager, a dissolved oxygen probe is a fundamental tool for Biological Oxygen Demand (BOD) testing, measuring the oxygen consumed by microorganisms to assess water quality and validate the efficacy of hospital water treatment systems.
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