Hand piece assembly for a disposable flushing nozzle unit for cleansing and/or irrigating surgical wounds

摘要

The invention relates to a hand piece for a disposable flushing nozzle unit for cleansing and/or irrigating surgical wounds, comprising a housing with one first connecting unit for holding the disposable flushing nozzle unit, a drive mechanism and an electric motor interacting with said drive mechanism. In an especially advantageous embodiment the hand piece comprises a second connecting unit for connecting an external electric power supply.

主权项

1. A hand piece for a disposable flushing nozzle for cleansing and/or irrigating surgical wounds, comprising:
a housing with a first connecting unit for holding the disposable flushing nozzle; a drive mechanism and an electric motor interacting with said drive mechanism; a second connecting unit for connecting an external electric power supply; first and second switches for selecting a mode of operation and activating the electric motor; and a control unit provided in the housing and adapted for operating the electric motor in at least two different power stages, namely controlling the speed of the electric motor in the range between 1200 and 5000 RPM, and two different operating modes, a continuous operation mode selected by the second switch in which the electric motor is activated continuously regardless of actuation of the first switch, and an interval operation mode selected by the second switch in which the electric motor is activated or deactivated by the first switch, wherein the hand piece unit can be re-sterilized and the housing is manufactured from a re-sterilizable metal.