Attachment for the supply of breathing gas for high-frequency artificial respiration

Claim 1

An attachment for supplying breathing gas to a patient during high-frequency artificial respiration, comprising a central tubular flow part having opposite open ends and defining oppositely extending collecting nozzles therein, a ring conduit part having a first tubular portion mounted over a portion of said tubular flow part adjacent its one end thereof, said ring port having an opposite tubular end portion divided into a supply connection adapted to be connected to a respiratory gas supply conduit and a discharge connection adapted to be connected to a delivery conduit, said supply and discharge connections each being rotatably connected over said opposite tubular end portion, a patient connection tube having a first tubular end portion mounted over the opposite end of said central tubular flow part and an opposite tubular end portion adapted to be connected to a patient's respiratory system, a first injector nozzle for breathing gas connected into said ring conduit part and directed toward and in alignment with the collecting nozzle in said central tubular flow part, and a second injector nozzle for breathing gas connected into said patient connection tube and directed toward and in alignment with the collecting nozzle in said central tubular flow part such that said first and second nozzles are directed toward each other; and said central tubular flow part having a pair of annular grooves on the outer surface thereof, said first tubular end portions of said ring conduit part and patient connection tube each having snap arms extending therefrom and each engaged in one of said annular grooves.