Bloat relief tube and holder

Claim 1

A bloat relief device, comprising: an elongated open ended sleeve having a forward end portion and a rearward end portion; an elongated plunger having one end axially slidably mounted for telescoping movement into the rearward end portion of said sleeve and having its other end projecting rearwardly of said sleeve, said one end of said plunger having a socket therein; a cannula axially disposed within said sleeve forwardly of said plunger, said cannula having a sharpened end portion to facilitate its entry through the skin and stomach wall of an animal and having its other end portion nested by the socket in said plunger; a ferrule surrounding said cannula adjacent each of its respective ends; a stop washer longitudinally slidably surrounding said cannula between said ferrules, the periphery of said stop washer slidably contacting the inner wall surface of said sleeve; and, a retainer ring surrounding said cannula between its sharpened end portion and the adjacent said ferrule, said retainer ring having a plurality of flexible wing portions normally projecting laterally of the longitudinal axis of said cannula.