Patent ID: 7341574
Filing Date: 2008-03-11
Classification: A61D

Abstract:
1. A veterinary syringe, comprising a base body having a front side and a rear side, wherein a syringe barrel for receiving a medicament is arranged on said front side, and a guiding element for a plunger rod that is guided therein so as to be movable in a longitudinal direction is arranged on said rear side, and wherein one end of said plunger rod is coupled to a plunger and extends into said syringe barrel; said syringe further comprising a handle for holding said syringe, an operating lever having one end pivotably coupled to a lower part of said handle, and having another end guided within a bottom side of said guiding element and engageable with a toothed rack via a catch biased towards engagement, said toothed rack being disposed on said plunger rod; said syringe further comprising a locking device for locking a position of said plunger rod, wherein said locking device, is engageable with said toothed rack and includes a locking slider partially disposed inside said guiding element and being movable in a locking direction that is generally transverse to said longitudinal direction, wherein said locking slider is provided with an opening through which said plunger rod is guided; wherein said locking slider can be moved from a locked position into a released position for said toothed rack by an actuator; wherein a protruding portion of said locking slider protrudes from said guiding element toward said operating lever, and includes a bore; and wherein a locking pin is disposed on said operating lever generally transverse to said locking slider, wherein in order to maintain said locking slider in said released position, said locking pin engages with said bore when said operating lever is in a resting position and when said locking slider is pressed down through said guiding element against a biasing force.