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Class Information
Number: 433/133
Name: Dentistry > Apparatus > Having motor or means to transmit motion from motor to tool (e.g., "engine") > Hand-held tool or handpiece > Contra angled handpiece
Description: Apparatus comprising an elongated handpiece having a longitudinal axis angularly offset with respect to the longitudinal axis of the tool.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8668494 Adjustable angle prophy angle adapter Mar. 11, 2014
8597022 Prophy angle and adapter Dec. 3, 2013
8591231 Air/gas driven prophylaxis preparation dispensing system for a dental hand piece Nov. 26, 2013
8459992 Prophy angle and adapter with latch Jun. 11, 2013
8403916 Surgical instrument having a magnetically driven detachable tool assembly Mar. 26, 2013
8360774 Prophy angle Jan. 29, 2013
8137102 Fluid-operated medical or dental handheld element Mar. 20, 2012
8123523 Prophy angle and adapter Feb. 28, 2012
7771198 Dental power instruments, such as endodontic instruments, and contra-angle handpiece Aug. 10, 2010
7736146 Medical handpiece having an angled shaft Jun. 15, 2010
7686614 Dental handpiece drive train with non-intersecting axes Mar. 30, 2010
7556498 Medical contra-angle handpiece Jul. 7, 2009
7510396 Disposable dental prophylaxis apparatus capable of discharging predetermined amount of dentifrice material therefrom Mar. 31, 2009
7416410 Medical or dental handpiece with a rear and a front shaft section that form an obtuse angle Aug. 26, 2008
7156659 Contra-angle handpiece for rotary surgical instruments, in particular in dental surgery Jan. 2, 2007
6638068 Medical handpiece having a rod-shaped grip part Oct. 28, 2003
6155827 Sleeve for a dental instrument Dec. 5, 2000
6126442 Motorised handpiece Oct. 3, 2000
6050989 Angularly adjustable powered surgical handpiece Apr. 18, 2000
5941705 Manual drive endodontic handpiece Aug. 24, 1999
5743718 Compressed air driven disposable hand tool having a rotor with radially moving vanes Apr. 28, 1998
5575647 General purpose dental handpiece Nov. 19, 1996
5571012 Disposable prophy angle and adapter Nov. 5, 1996
5549634 Surgical instrument with swivel member Aug. 27, 1996
5352234 Surgical instrument with angular swivel Oct. 4, 1994
5348473 Medical tool Sep. 20, 1994
5040977 Self powered dental plaque-removing device Aug. 20, 1991
4834652 Dental handpiece May. 30, 1989
4753595 Dental handpiece Jun. 28, 1988
4568642 Quiet dental drill Feb. 4, 1986
4564354 Angle piece for dental purposes Jan. 14, 1986
4493646 Device for fixing a transmission assembly in the body of an angled dental tool Jan. 15, 1985
4486176 Hand held device with built-in motor Dec. 4, 1984
4486175 Dental appliance Dec. 4, 1984
4449932 Contra-angle head for dentistry May. 22, 1984
4406621 Coupling ensemble for dental handpiece Sep. 27, 1983
4325696 Dental handpiece arrangement Apr. 20, 1982
4321041 Miniaturized contra-angle Mar. 23, 1982
4318695 Handpiece Mar. 9, 1982
4303393 Dental handpiece Dec. 1, 1981
4295829 Tool holder Oct. 20, 1981
4286951 Dental handpiece Sep. 1, 1981
4285671 Contra angle with interchangeable geared tools and the like Aug. 25, 1981
4276025 Dental handpiece Jun. 30, 1981
4268252 Contra-angle head for dentistry May. 19, 1981
4260381 Dental handpiece Apr. 7, 1981
4253832 Dental handpiece Mar. 3, 1981
4226591 Contra-angle head for driving two dental tools Oct. 7, 1980
RE30356 Hand drilling Aug. 5, 1980
4212641 Dental handpiece Jul. 15, 1980

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