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| Number | Title | Issue Date |
| 7874839 | Powered surgical instruments A powered surgical instrument is provided. In some embodiments, the powered surgical instrument may include a housing; a receiver, at least a portion of the receiver is movably received within the housing, a distal end portion of the receiver being configured to rec... | 01/25/2011 |
| 7131837 | Vertically and horizontally standing dental scaler system and method The invention provides a dental scaler system and method of use. The dental scaler system has a dental scaler apparatus and a scaler handpiece enclosing a coil. The dental scaler apparatus has a housing and a scaler power control circuit. The coil is connected throu... | 11/07/2006 |
| 6050818 | Electrically powered dental cleansing apparatus An electrically powered dental cleansing apparatus in which a cleansing implement is coupled to a drive sleeve and adapted to be rotated about a longitudinal axis. The coupling is effected by a resilient member, in particular a spring which includes a sli... | 04/18/2000 |
| 5545038 | Percussive dental extractor A pneumatically operated percussive dental extractor includes a main body having a central longitudinal chamber. A replaceable hook member is attached to the distal end of the main body. Mounted in the longitudinal chamber at a proximal end thereof is an ... | 08/13/1996 |
| 5318445 | Process and instrument for dental treatment A polishing dental instrument includes a polisher, which is vibrated by a drive shaft connected to a motor-driven drive via an eccentric pin. The eccentric movements are elastically transferred to two arms via two compression springs. The arms are fixed t... | 06/07/1994 |
| 5158457 | Dental process and instrument for polishing roots of teeth A polishing dental instrument includes a polisher, which is vibrated by a drive shaft connected to a motor-driven drive via an eccentric pin. The eccentric movements are elastically transferred to two arms via two compression springs. The arms are fixed t... | 10/27/1992 |
| 4979899 | Scaler for cleaning teeth The scaler includes a housing which is an angle piece and includes a grip housing and an instrument housing positioned at an angle to the grip housing. A scraper is inserted in a bearing sleeve mounted in bearings in the instrument housing and can be move... | 12/25/1990 |
| 4689011 | Dental percussion instrument A dental percussion instrument, which has a instrument housing fashioned as a handpiece, a ram with a test head at one end being mounted in the housing for movement between a retracted and an extended position and an electromagnetic drive for shifting the... | 08/25/1987 |
| 4482324 | Percussion instrument A percussion instrument suitable for use in dental practice for determining the degree of looseness of a tooth has a ram displacably seated in the handpiece and a means for accelerating the ram from an initial position to a defined velocity, the ram subse... | 11/13/1984 |
| 4341519 | Dental angled vibration member A surgical dental or dental technician's angled vibration member consisting of a gripping sleeve portion having a drive shaft supported therein, and an end or head sleeve portion which is arranged at one end of the gripping sleeve portion, whose axis exte... | 07/27/1982 |
| 4316465 | Ophthalmic handpiece with pneumatically operated cutter An ophthalmic handpiece is disclosed. The handpiece includes coaxial irrigation and aspiration needles, with passageways through the body of the handpiece for connection to conventional equipment for supplying irrigation and aspiration. Within the aspirat... | 02/23/1982 |
| 4300885 | Percussive dental crown extractor A percussive dental crown extractor comprises a hook 16 attached by an arm 14 to the front end of a tube 12 which encloses a cylindrical, notched hammer 44 and a spring 50 urging the hammer to the rear end of the tube, remote from the hook. The tube is te... | 11/17/1981 |
