Dental hand instrument has functional unit with headpiece and handgrip coupled and incorporating feed lines for air, water, electric current, light and/or electrical signals

摘要

The dental hand instrument has 2 separate functional units releasably coupled together, the first unit provided by a head piece (1) with an attached tool (2), a handgrip (3) and a connection interface (4) for connection with air, water, electrical current, light and/or signal feeds, the second unit provided by a carrier (5) incorporating feed lines (6) extending from the connection interface.