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Midmark anesthesia machines (formerly Matrx® ) are a longtime favorite of veterinary professionals around the world for inhalation anesthesia delivery. For over 50 years, each machine has been carefully manufactured to provide you with years of safe, simple and controllable inhalation anesthesia delivery. There are many models to choose from in wall, stand and tabletop configurations, so we’re sure to have the anesthesia delivery solution your clinic needs.
The Midmark VMR® Non-Rebreathing Anesthesia Machine is designed for safe, simple, and controllable inhalation anesthesia for rats, small rodents, exotics and other patients weighing less than 5 pounds. The VMR provides rapid control of anesthetic depth with little resistance to respiration.
Non-rebreathing anesthetic delivery system
Includes well-fill or key-fill Isoflurane or well-fill Sevoflurane VIP 3000® vaporizer
Limited 5-year warranty
Optional tabletop and wall mount configurations available
Optional low-flow flowmeter add-on capability
Model Numbers
91800218 VMR® w/Isoflurane Well-Fill Vaporizer (USA)
91800236 VMR® w/Isoflurane Well-Fill Vaporizer (ISO/Canadian)
91800219 VMR® w/Isoflurane Key-Fill Vaporizer (USA)
91800237 VMR® w/Isoflurane Key-Fill Vaporizer (ISO/Canadian)
91800261 VMR® w/Sevoflurane Well-Fill Vaporizer (USA)
91800262 VMR® w/Sevoflurane Well-Fill Vaporizer (ISO/Canadian)
VMR® Wall Mount
91800223 VMR® Wall Mount with Isoflurane Well-Fill Vaporizer (USA)
91800224 VMR® Wall Mount with Sevoflurane Key-Fill Vaporizer (USA)
VMR® Tabletop
91805060 VMR® Tabletop with Isoflurane Well-Fill Vaporizer (USA)
91805061 VMR® Tabletop with Sevoflurane Well-Fill Vaporizer (USA
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Absolutely. Each complete vet anesthesia machine with integrated vaporizer is engineered for accurate delivery of anesthetic agents and includes trusted components like the VIP 3000® vaporizer.
Midmark provides an anesthesia machine with scavenging system for cat and dog surgeries, including both the Central Scavenger and the Veterinary Anesthetic Gas Scavenger, to actively and safely manage waste gases.
To ensure optimal performance and safety, we recommend following a routine veterinary anesthesia machine service and maintenance schedule—including annual inspection, calibration of vaporizers, leak checks, and replacement of consumables like Sodasorb® LF.
