Pessary gun
Abstract
Abstract 646,991. Veterinary appliances. PINHAY, F. A. Nov. 3, 1947, No. 29251. [Class 81 (ii)] A pessary gun for veterinary use comprises a flexible tube 1, a corrugated handle 15 secured to the end of the tube, a recess in the handle which houses a loose spiral spring 9 which is compressed when a cable 3 sliding inside the said flexible tube and secured at one end to a piston 19 is withdrawn by means of a knob 14 or ring secured to the other end of said cable, and a catch adapted to hold the piston in this withdrawn position, ready, on release of the catch, to expel a pessary 18 placed in a chamber 5 in which the piston slides. As shown, the catch comprises a pin 16 on a rod 11 to which the cable is secured, the pin passing through a slot 17<1> in an end cover 12. the piston then being held in the withdrawn position by giving an angular movement to the knob 14.
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