An animal fluid injector, replaceable syringe and method of replacement of the syringe in the injector are provided in which the syringe is loadable and unloadable into and from the injector through the open front end of a pressure jacket of the injector, thereby permitting replacement without retraction...http://www.google.es/patents/US7081104?utm_source=gb-gplus-sharePatente US7081104 - Method and apparatus for injecting fluid into animals and disposable front loadable syringe therefor
Method and apparatus for injecting fluid into animals and disposable front ...