Patent ID: 7314456

Claim:
A dental syringe for coupling between a water outlet and a showerhead, comprising: a fixture between said water outlet and showerhead for diverting water from said water outlet, a flexible conduit in fluid communication with said fixture through a first opening to receive diverted water from said water outlet, a handle component having a bore communicating with an opposite end of said flexible conduit through a second opening to receive the diverted water, a valve body received in an elongated housing disposed in said handle component, said housing having an end adjacent to the second opening in said flexible conduit, said valve body being provided with a rotatable handle portion and moveable linearly with respect to said housing upon rotation of said handle portion on said valve body, said valve body including means for precluding communication of said housing with the second opening in said flexible conduit upon rotation of said handle portion on said valve body in one direction, but enabling communication upon rotation of said handle portion on said valve body in an opposite direction, said means for precluding communication including a nipple on one end of said valve body seated in said housing adjacent said second opening in said flexible conduit to block ingress of diverted water from said conduit into said valve body upon rotation of said handle portion on said valve body in said one direction and to enable selective egress of diverted water from said bore upon rotation of said handle portion in said opposite direction moving said valve body in said housing away from said second opening in said flexible conduit, an oral irrigator coupled to said valve body for transmitting a jet of water to a user of the syringe upon rotation of said handle portion on said valve body in said opposite direction enabling communication between the second opening in said flexible conduit and said valve body, and wherein the end of said housing adjacent to the second opening in said flexible conduit in said handle component receiving and clamping the flexible conduit between said handle component and said housing to protect the nipple on said one end of said valve body.