Search Search Search You must have JavaScript enabled to use this form. Topic Spay/Neuter (-) Patient Care Active FiltersPatient Care Group 9 Clear All Anesthesia Machine Use & Care These spay/neuter clinic demonstration videos show how to perform critical maintenance on anesthesia machines. Drug Protocols for Spay/Neuter Clinics These drug protocols and guidelines will aid licensed technicians and veterinarians at HQHVSN clinics in determining proper delivery, ordering, storage, and handling of controlled substances.