Nasal Inoculation Tips Our time-tested products provide safe and effective delivery methods for vaccinating and medicating livestock or domestic animals. The bolus dispensing guns and nasal inoculation tips are specifically designed with animal health and veterinary concerns in mind. Our inoculation devices allow full absorption without invasive injury. HTI is one of the leading applicator device manufacturers in the nation, both for human and animal use. HTI is your complete resource for high-quality plastic medical and dental devices designed for the health and well-being of comparision animals, exotics, and livestock. We are able to replicate the best features of many reusable instruments into disposable products creating a more convenient and economical approach to many animal health procedures. HTI's clean area assembly which also serves many of our pharmaceutical product customers, counts and wraps products in shrink wrapped plastic for the convenience of veterinarians and the safety of the animals they treat.