Martin R Brading

US Patent:

20090181348, Jul 16, 2009

Filed:

Jan 14, 2009

Appl. No.:

12/353958

Inventors:

Michael Q. Edwards - Union MO, US
Martin R.D. Brading - Chesterfield MO, US

International Classification:

A61C 19/00

US Classification:

433215

Abstract:

Disclosed is a dental patient anxiety and pain management system including a patient controllable interrupt device operable by a patient for interrupting a flow of pressurized fluid along a fluid path between a pressurized fluid source to a dental hand piece and for venting the pressurized fluid from a portion of the fluid path between the patient interrupt device and the dental hand piece for reducing the motive force driving the operative element of the hand piece, the fluid flow remaining interrupted until a reset device is operated for allowing the flow of pressurized fluid to resume along the fluid path between the pressurized fluid source and the hand piece.