Dental (e.g., Waterpick@) Patents (Class 601/162)
  • Patent number: 10617500
    Abstract: An oral irrigator including a handle, a tip, and a pump at least partially received within the handle and fluidly coupled to the tip. The pump includes a pump body defining a pump chamber, an inlet valve regulating fluid flow into the pump chamber, an outlet valve regulating fluid flow out of the pump chamber, a piston, and a linkage operably coupled to the piston and a drive shaft of a motor. The linkage translates rotational movement of the drive shaft into movement of the piston in first and second directions within pump chamber. When the piston moves in the first direction, the inlet valve opens, allowing fluid to flow into the pump chamber, and the outlet valve closes. When the piston moves in the second direction, the inlet valve closes and the outlet valve opens, allowing fluid to flow out of the pump chamber.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: April 14, 2020
    Assignee: Water Pik, Inc.
    Inventors: Clifford J. Snyder, Gary L. Sokol, Roberta L. Callaghan
  • Patent number: 9962473
    Abstract: The present invention provides a surgical aspiration cannula capable of aspirating a liquid component such as a small amount of blood while keeping an ability to aspirate a large clot such as a blood clot and to sweep them. The present invention relates to a surgical aspiration cannula that comprises a tip opening capable of aspirating a clot such as a blood clot; and an aspiration structure in the front of the tip opening. Due to the aspiration structure, the liquid component such as a small amount of blood can be aspirated. Further, even when the tip opening is pressed against the vicinity of an organ, the aspiration structure interposed between an aspiration port and a surface of the organ prevents clogging of the cannula or damage to the organ. In addition, in a case of bleeding in a surgical site, the blood is aspirated while controlling the bleeding by pressurizing a bleeding site, thereby providing a clear view and enabling a hemostatic site to be treated.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: May 8, 2018
    Inventor: Tohru Tani
  • Patent number: 9360489
    Abstract: This disclosure relates to methods and kits, systems for screening, diagnosing and prognosing a disease, disorder, or physiological state based upon temporal measurements and analysis of gene expression in a subject.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: June 7, 2016
    Assignee: Sutter Bay Hospitals
    Inventor: Garret L. Yount
  • Patent number: 9249789
    Abstract: Disclosed is an embodiment that introduces a novel system to pump fluids, or, gases or, semi-solids, or, solids, from one place to another. Conventionally, a motorized pump systems are used to pump any given fluid from one position to another, nonetheless, in this invention not only a new system of pumping fluids is so introduced, but, existing functions of a conventional motorized pumping systems are saliently augmented by the pipe pump system. The pipe pump functions basically, by a series of electromagnets, that are placed around a flexible and resilient tube, (a rubber tube, for instance), and when these said electromagnet arrangements are actuated, then, that causes the pipe pump to pump out fluids, by squeezing on the fluids, or gases, contained within.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: February 2, 2016
    Inventors: Ravindra Kashyap, Govind Sahu
  • Patent number: 9039642
    Abstract: A structure for separating a discharge nozzle of an oral irrigator includes a first discharge path formed in one side of the irrigator body, a water pressure control lever rotatably arranged above the first discharge path and having a second discharge path in the other side of the irrigator body, a release button section provided on an upper portion of the water pressure control lever and into which the discharge nozzle is inserted and engaged, and configured, when pushed, to be bent so as to release the engaged discharge nozzle, and a locking section provided in the release button section and water pressure control lever to control a pushing operation of the release button section depending upon whether the first discharge path is open or blocked.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: May 26, 2015
    Inventor: Young Hoon Lee
  • Patent number: 9022959
    Abstract: An oral care system that provides a beneficial effect to an oral cavity of a mammal by using a liquid effective for providing the beneficial effect, where the system includes means for directing the liquid onto a plurality of surfaces of the oral cavity, means for providing the liquid to the means for directing the liquid onto the surfaces of the oral cavity, means for providing reciprocation of the liquid over the plurality of surfaces under conditions effective to provide the beneficial effect; and a reservoir for containing the liquid.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: May 5, 2015
    Assignee: McNeil-PPC, Inc.
    Inventors: Robert W. Fusi, II, Richard J. Fougere, Harold D. Ochs, Justin McDonough, Megha Reddy, Curt Binner
  • Patent number: 8961174
    Abstract: The apparatus includes a motor (20) which drives a first compound gear (28) having first and second portions (26, 32), the second portion driving a second compound gear (36). The second compound gear has one portion (38) which has teeth over only one half the circumference thereof. The apparatus further includes an air cylinder (12) and a rack (62) and a spring assembly (66) a sealing end portion (64) of the rack fitting in a fluid-tight relationship with the air cylinder, wherein the rack member is engaged by the one portion of the second compound gear, compressing the spring when the teeth thereon engage the rack member. When the no-teeth portion comes adjacent the rack member, the rack is released and the sealing end of the rack member is forced by action of the spring into the air cylinder, producing bursts of air. The second compound gear also drives a peristaltic pump, producing liquid in bursts which are directed to a mixing chamber 58, from which a stream of liquid droplets exit through exit 16.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: February 24, 2015
    Assignee: Koninklijke Philips N.V.
    Inventors: Craig Kortick Black, Dainia Edwards, Skookumchuck Pong, Jonathan Kling
  • Patent number: 8888727
    Abstract: An apparatus for providing a pressurized water stream for cleaning gums and teeth includes a base unit defining a cavity. The cavity contains a pump, which may move pressurized water from a reservoir to a tip in fluid communication with the pump. The pump may be secured within the cavity by at least one vibration reduction mount. Fluid may flow from the reservoir and ultimately into the tip to provide oral irrigation and/or cleaning of the teeth, gums, and tongue. The base may include a plurality of footings that elevate the base unit above a surface supporting the base unit. Also, the base may include a basin for receiving a reservoir. The basin may include a reservoir valve initially biased to a closed position and operationally attached to the reservoir, and a tube projection connected to the base unit and opening the valve when the reservoir is received within the basin. The basin and the reservoir are configured to guide the reservoir valve adjacent to the tube projection.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: November 18, 2014
    Assignee: Water Pik, Inc.
    Inventors: Brian Boyd, Brian R. Williams, Kurt M. Taylor
  • Patent number: 8827700
    Abstract: The sprayhead device includes a housing (60) having an orifice plate (62) therein with at least one orifice opening (64) therethrough. A liquid line (36) delivers liquid to the sprayhead, where it proceeds through the orifice opening, wherein the liquid flow rate through the orifice and the liquid pressure are sufficiently great relative to the size of the orifice that the liquid moves through the orifice as a continuous stream. Gas is delivered to the housing and gas flows to the interior of the sprayhead through at least two openings (68) in the housing. The gas streams (flows) intercept the liquid flow perpendicularly, approximately 180° apart. The velocity of the gas flows is sufficient to break up the liquid stream from the orifice into a spray of droplets of desired size and velocity, accelerating them out of an acceleration duct (66) exit portion of the housing.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: September 9, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Paulus Cornelis Duineveld, Alexandra Kulas, Martinus Bernardus Stapelbroek, Jasper Zuidervaart
  • Patent number: 8808209
    Abstract: An irrigator handle to be used with a water jet apparatus for cleaning gums and teeth includes a visual indicator to let a user know when a tip has been properly attached to the handle. The handle in some embodiments also includes an audible indicator to let the user know when the tip has been properly attached. The handle has a pause button attached to plunger to restrict water flow when the pause button is depressed.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: August 19, 2014
    Assignee: Water Pik, Inc.
    Inventors: Brian Boyd, Brian R. Williams, Kurt M. Taylor
  • Patent number: 8753117
    Abstract: The appliance (10, FIG. 1) includes a body portion (27) and a nozzle portion (30) through which a spray of liquid droplets exits from a distal end thereof for cleaning of dental regions. The nozzle includes an orifice (36) at a proximal end thereof adjacent the body portion, as well as a pump (38) for moving liquid into an area of the nozzle just forward of the orifice. A mechanical system (12, 13, 14) is provided for moving a plunger or piston element (16) first away from the orifice under tension, such as a compression spring (24), and then controllably releasing the plunger or piston toward the orifice, the plunger/piston moving with sufficient force that atmospheric air which has been drawn into the appliance between the plunger or piston is forced through the orifice at a sufficiently high rate of speed to produce a spray of fluid droplets for dental cleaning when the moving air comes into contact with the liquid in the nozzle.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: June 17, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Dainia Edwards, Tyler G. Kloster, Wolter F. Benning
  • Patent number: 8696609
    Abstract: A multi-switch (24) for an oral care appliance includes a switch housing (28) having a hollow chamber (30) therein, a button actuator (32) with at least two O-rings (42) around the periphery thereof, and inlet and outlet channels (50, 52) connecting a source of compressed gas (18) with the housing chamber and the housing chamber with a mixing chamber (26), respectively. A pump (60) moves fluid from a reservoir (20) to the mixing chamber. The O-rings are positioned so that as the button actuator is actuated and then released, the outlet is closed and the inlet is opened, allowing gas to move into the housing chamber. The pump is actuated, and then the inlet is closed and the outlet opens, allowing gas in the chamber to move to the mixing chamber to produce a stream of fluid droplets, which are directed out through a nozzle portion (16) of the appliance.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: April 15, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Jozef Johannes Maria Janssen, Bart Gottenbos, Petrus Henricus De Leeuw
  • Patent number: 8668660
    Abstract: The interproximal cleaning appliance includes a housing (12) and a spray applicator (16) extending therefrom for directing a spray of fluid droplets to the interproximal area. Within the housing is a spray-generating assembly (14) which includes a chamber, a movable piston (26) mounted therein, one-way inlets (42, 40) for gas and fluid and an outlet (44). A system (54) for moving the piston, such as a motor, operatively compresses a spring (32) which creates a partial vacuum in the chamber, allowing gas to flow into the chamber through the gas inlet. Release of the spring produces a stream of fluid droplets which flows out of the chamber through the applicator to the interproximal area.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: March 11, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Jozef Johannes Maria Janssen, Bart Gottenbos, Mariska Hendriks-Van Rijsbergen
  • Patent number: 8641649
    Abstract: A pump for an oral irrigator includes a pump chassis, an eccentric end plate movably connected to the pump chassis, a first alignment shaft connected to the pump chassis, a second alignment shaft connected to the eccentric end plate, a first gear rotating around a longitudinal axis of the first alignment shaft, and a second gear engaging the first gear and rotating around a longitudinal axis of the second alignment shaft. By selectively moving the eccentric end plate relative to the pump chassis selectively moves the second gear relative to the first gear.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: February 4, 2014
    Assignee: Water Pik, Inc.
    Inventors: Brian Boyd, Brian R. Williams, Kurt M. Taylor
  • Patent number: 8617090
    Abstract: An oral care device suitable for use in providing a beneficial effect to an oral cavity of a mammal, which device includes means for providing reciprocation of a liquid effective for providing the beneficial effect of the oral cavity when the liquid is contacted with a plurality of surfaces thereof under conditions effective to provide the beneficial effect.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: December 31, 2013
    Assignee: McNeil-PPC, Inc.
    Inventors: Richard J. Fougere, Robert W. Fusi, II, Justin McDonough, Harold D. Ochs
  • Publication number: 20130303954
    Abstract: Build-in and portable oral hygiene systems and devices are disclosed which systems and devices effectively function without electricity, batteries, mechanical pumps and motors. Build-in oral hygiene systems may utilize a single set of hot and cold water supply hoses and may be integrated with the faucet as a permanent sink apparatus while portable hygiene devices are manpowered and thus may be used at anytime and anywhere.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: Winston Zhang, Kurt Keller, Mary Zhang
  • Patent number: 8539630
    Abstract: An oral care implement with an air flossing system cleans debris from the teeth of a user. The oral care implement may include an oral care region having cleaning elements for engaging oral tissue. A body is provided for gripping the implement. An air source is disposed in the body for proving pressurized air to an air outlet. The air outlet is disposed in the oral care region for injecting the pressurized air to clean debris from the oral tissue.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: September 24, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: John Gatzemeyer, Eduardo Jimenez, Steve Sorrel, Philip Durocher, Bruce Russell, Thomas Boyd
  • Patent number: 8522384
    Abstract: A powered toothbrush assembly (100) includes an outer housing (102, 104), a brush head (106) and a fluid nozzle (138) adjacent the brush head (106), an inner housing (122) disposed within the outer housing (102,104) and having a motor (130) which is in operative engagement with the brush head (106) to impart motion to the brush head (106) and a pump mechanism (134) disposed within the inner housing (122). The outer housing (102,104) and the inner housing (122) define a chamber (142) therebetween for accommodating a fluid.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: September 3, 2013
    Assignee: Conair Corporation
    Inventor: Anthony Kit Lun Leung
  • Patent number: 8458841
    Abstract: The invention relates to a brush head for a toothbrush. The brush head has a brush disc (3) mounted in a rotatable fashion on a brush body (2) and a channel (7) with an opening for the application of a cleaning product and a composite part (6) that serves as a valve (12) for opening the channel (7) and as a rotational bearing for the brush disc (3). The composite part (6) comprises a tube (8) made of hard material on the one end thereof and is connected to the channel (7) there. The valve (12), which is made of an elastic material, is disposed on the other end of the composite part (6). The tube (8) of the compound part (6) is connected to the brush body (2) in a stationary fashion, for example, pressed into the brush body (2). The brush disc (3) is mounted in a rotatable fashion on the tube (8). The valve (12) is preferably designed as a slotted valve with a slot (13).
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 11, 2013
    Assignee: Braun GmbH
    Inventors: Martin Haas, Ivo Kunath, Armin Schwarz-Hartmann
  • Patent number: 8413282
    Abstract: An oral care instrument, such as a motorized toothbrush, which activates upon exposure to the oral environment of the user, is described. The electrical conductivity of saliva, optionally mixed with toothpaste and water, may be utilized to complete an electrical circuit that powers a motorized device within the instrument.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: April 9, 2013
    Assignee: Colgate-Palmolive Company
    Inventors: Heng Cai, Thomas James Boyd
  • Patent number: 8408483
    Abstract: A dental water jet apparatus for adjusting a pressurized water stream from a pump to a tip moves pressurized water from a reservoir to a tip in fluid communication with the pump. A flow control knob may be turned to selectively adjust the water pressure supplied by the tip between a minimum and a maximum value. When the flow control knob is turned in a first direction, the volume of fluid directed towards the tip decreases and the volume of fluid returned to an inlet of the pump increases. Fluid may flow from the reservoir and ultimately into the tip to provide oral irrigation and/or cleaning of the teeth, gums, and tongue.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: April 2, 2013
    Assignee: Water Pik, Inc.
    Inventors: Brian Boyd, Brian R. Williams, Kurt M. Taylor
  • Patent number: 8403665
    Abstract: An oral irrigator has a pump, a discharge nozzle and a pressure control. The pump has a generally constant operating speed and feeds the discharge nozzle. The pressure control is adapted to modify a discharge pressure at the nozzle without a significant change in pump speed. The pressure control modifies a level of fluid flow restriction between the pump and the nozzle. The modification of the level of fluid flow restriction is accomplished by modifying aspects of a fluid flow path extending through the pressure control. The aspects modified include the diameter, length and/or number of direction changes of the fluid flow path.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: March 26, 2013
    Assignee: Water Pik, Inc.
    Inventors: Brenda Lee Thomas, Kurt Michael Taylor
  • Patent number: 8398399
    Abstract: An ultrasonic flossing device includes a housing having a proximal portion and a distal portion. An engine is disposed within the housing and is configured to convert input energy into ultrasonic energy and an electronic driving circuit is coupled to both the engine and the power source. A power source is electrically coupled to the engine and is configured to deliver input energy to the engine. At least one acoustic transformer is coupled to the engine, the at least one acoustic transformer being configured to amplify the ultrasonic energy. A main fluid reservoir is configured to store a fluid therein, the main fluid reservoir being coupled to the at least one acoustic transformer such that, upon activation, the fluid transmits the ultrasonic energy to a treatment area.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: March 19, 2013
    Inventor: Richard H. Paschke
  • Patent number: 8137295
    Abstract: A manually powered portable device for creating a high-pressure pulsating stream of water or other liquid is disclosed. The device is intended for use in flushing and cleaning dentures. The device has a reservoir for storing the water or liquid, a piston and cylinder for pressurizing the water, a trigger operated slide valve for releasing the water from the reservoir and a rotating cylinder for creating the pulsating flow through the output nozzle of the device.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: March 20, 2012
    Inventors: John Castaldi, Michael Sylvester Caramico
  • Patent number: 8114038
    Abstract: A method and apparatus for oral hygiene, in particular having an oral hygiene device similar to a WATER PIK® brand device which has a pump with an inlet port and an outlet nozzle. A reservoir is placed in a sink above a drain and below a faucet and water from the faucet is adjusted for temperature and flows into the reservoir and over and into the drain of the sink. A conduit is provided between the inlet of the pump and the outlet of the reservoir so that, in use, a person can first adjust the temperature of the water in the reservoir and then turn on the pump and use the oral hygiene device as with any other oral hygiene apparatus while either allowing the water to continue to flow from the faucet at the desired temperature; or, if desired, to stop the flow and put medication into the container before use so that the water and medication solution is used rather than just water.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: February 14, 2012
    Inventor: John Stelmach
  • Patent number: 8113832
    Abstract: According to one broad aspect of one embodiment of the present invention, disclosed herein is a hand held oral irrigation device having a tip for dispensing fluids. In one example, an oral irrigation device includes a body portion, and a reservoir for storing fluids, wherein the body and/or the reservoir define a first major diameter at a lower end of the oral irrigation device, and define a second major diameter at an upper end of the oral irrigation device, the first major diameter being larger than the second major diameter. In this example, by providing such a geometry for the device, a user can grasp the device with one hand about the second major diameter during use. In another example, the body includes a pump for pumping fluids from the reservoir to the tip, wherein the pump includes an inlet valve and an outlet valve, the inlet valve including a reed valve made of flexible fabric material. The outlet valve may also include a reed valve made of flexible fabric material.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: February 14, 2012
    Assignee: Water Pik, Inc.
    Inventors: Clifford J. Snyder, Gary L. Sokol, Roberta L. Callaghan
  • Patent number: 8052627
    Abstract: A dental cleaning system for providing a liquid jet for a mouth rinse includes a nozzle member, a nozzle attachment coupled to the nozzle member to define an axially extending chamber, a liquid duct configured to supply pressurized liquid to the chamber, a pressure piece disposed within the chamber, and a nozzle outlet extending out of the chamber and configured to discharge a cleaning jet.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: November 8, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Oswald Gromer, Andreas Kramp, Michael Sauer, Michael Stolper, Norbert Schaefer, Karl Herzog
  • Patent number: 8047840
    Abstract: A valve for adjusting the flow of water through an oral irrigation device is connected to a shower head by a flexible conduit. The valve is located on a handle connected to a water-dispensing pick for cleaning teeth and gums. Mixing apparatus is provided for injecting a secondary fluid, such as a mouthwash, into the flexible conduit upstream from the pick in a direct stream from the shower head.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: November 1, 2011
    Assignee: Health and Hygiene, Inc.
    Inventor: Daniel A Shaw
  • Patent number: 8012111
    Abstract: An oral hygiene device for use with a sink having hot and cold water lines includes a storage mount and a housing removably coupled thereto. The housing includes hot and cold water inputs and an outlet. The housing also includes first and second channels coupling the inputs to the outlet. The device includes piping tees and flexible tubing for connection to a sink's water lines. The device includes adjustable temperature valves in the first and second channels, respectively, for regulating amounts of hot and cold water passing through the channels. An adjustable volume valve is included for determining a volume of water exiting the outlet. The storage mount may be installed on a sink adjacent the faucet so that the oral hygiene device is a permanent fixture.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: September 6, 2011
    Inventor: J. Byron Alexander
  • Patent number: 7975341
    Abstract: An oral care instrument, such as a motorized toothbrush, which activates upon exposure to the oral environment of the user, is described. The electrical conductivity of saliva, optionally mixed with toothpaste and water, may be utilized to complete an electrical circuit that powers a motorized device within the instrument.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: July 12, 2011
    Assignee: Colgate-Palmolive Company
    Inventors: Heng Cai, Thomas James Boyd
  • Patent number: 7775997
    Abstract: A dental hygiene pulsating sprayer has a handle and a pulsating engine having a turbine rotor. The handle is adapted to connect to a water source. The turbine rotor is rotatably received in the pulsating engine and has a curved wall, a top cover and multiple extension blades. The top cover is attached to the curved wall to construct a circle in cooperation with the curved wall. The extension blades are formed on and extend radically from the top cover and the outer periphery of the curved wall. Accordingly, the sprayer can provide a pulsating massage effect and is not driven by electrical power.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: August 17, 2010
    Inventor: Michael C. Liu
  • Publication number: 20100152634
    Abstract: An oral hygiene system for cleaning teeth and gums with a fluid, the system comprising a reservoir for storing the fluid; a body portion connected to the reservoir, having pumping means a motor, for controllably drawing fluid from the reservoir; and a nozzle extending from the body portion for receiving the fluid from the reservoir and having a distal tip for discharging the fluid to a user's teeth and gums; wherein the fluid is discharged as a single rotating stream from the distal tip of the nozzle. There may be a valve for controlling the flow of fluid, which may be water, a dental rinse, or other desired fluid.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 17, 2010
    Inventor: Norman Dove
  • Publication number: 20090182250
    Abstract: A manually powered portable device for creating a high-pressure pulsating stream of water or other liquid is disclosed. The device is intended for use in flushing and cleaning dentures. The device has a reservoir for storing the water or liquid, a piston and cylinder for pressurizing the water, a trigger operated slide valve for releasing the water from the reservoir and a rotating cylinder for creating the pulsating flow through the output nozzle of the device.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Inventors: John Castaldi, Michael Sylvester Caramico
  • Patent number: 7538087
    Abstract: The present invention relates to a product for preventing periodontal disease wherein the product includes or is based on a Cystatin type peptide. The invention also relates to dentifrice preparations including Cystatin and to medicaments including Cystatin for the treatment or prevention of periodontal disease and to the use of a nucleic acid sequence which encodes a Cystatin type peptide.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: May 26, 2009
    Inventors: Philip-John Lamey, Fionnuala Teresa Lundy, Christopher Shaw
  • Patent number: 7367803
    Abstract: This invention creates a convenient low cost water pressure driven multi user oral cleansing device, the DentalJet with exchangeable color coded nozzle/handle which is easy to use, needs no electricity. The invention uses a faucet attachable rotating diverter, a flexible longer food grade PVC tube and interchangeable color coded jet nozzle/handle. The diverter also functions as a fine water volume/pressure control with a preset temperature and filter. Water pressure bulges up the flexible rubber tube clamped to the end of the adapter and to the PVC tubing. Inside the handle the water pressure created friction keeps the hose adapter in solid coupling while the pressure is on. The rubber tube oscillates, as pulsating water exist at the nozzle. When the water pressure is removed, color coded nozzle/handle is exchangeable.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: May 6, 2008
    Inventor: Zoltan Egeresi
  • Patent number: 7344510
    Abstract: An oral hygiene device, which includes a hand-held cylindrical device having a controllable dial and water-emitting nipple created by water pressure is disclosed. The oral hygiene device includes a cylindrical body which is hand-held, a control dial, having a valve, mounted onto the body; a nipple mounted at its proximal end to the body, the nipple having a slit on its distal end and being interchangeable; a conduit mounted between the body and an open-shutoff valve; and an open-shutoff valve mounted between the conduit and a connector body mounted to a water source. The device cleanses and dislodges food particles from teeth and massages the gums.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: March 18, 2008
    Inventor: Chandrakant R. Yande
  • Patent number: 7314456
    Abstract: A valve for adjusting the flow of water through an oral irrigation device connected to a shower head is located on a handle connected to a water-dispensing syringe or pick. Rotation of the valve controls the amount and pressure of water dispensed through the syringe or pick in a direct stream from the shower head.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: January 1, 2008
    Assignee: Health & Hygiene, Inc.
    Inventor: Daniel A. Shaw
  • Patent number: 7276035
    Abstract: An improved teeth cleaner, in which a squirt gun is designed the front end of a handle, and a bending nozzle designed on the foremost position of the squirt gun while its end is designed to be as a dentiform ring-shaped edge and a pipeline on which a gasket is available for connecting the T-shaped pipe; in addition, an internal pipe is designed in the interior of the handle, whose both ends are connected to the T-shaped pipe and a rotiform joint respectively of the both ends of the handle. Moreover, on the rotiform joint, a silica gel tube is connected to the switching connector of the water pipe, so as to form a simple teeth cleaner.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: October 2, 2007
    Inventor: Sung-Seng Lu
  • Patent number: 7080980
    Abstract: A dental hygiene system provided with interchangeable dental heads permits power-enhanced brushing and concurrent fluid irrigation to optimize a user's personal dental hygiene efforts. The system has a handle assembly with an irrigation nozzle in close proximity to displaceable bristles driven by a battery-operated handle motor. Pumping of irrigation fluid such as an antiseptic solution into the oral cavity is also motor driven. A telescoping chamber with irrigation fluid fits on the piston-like base end of the handle and is refilled by docking the handle assembly on a complementary docking station that includes a detachable fluid reservoir, microswitch controls and a base fluid pump. Docking of the handle assembly triggers the microswitches and opens a check valve in the bottom of the handle chamber, which activates the flow of fluid from the reservoir into the chamber. An optional fiberoptic subassembly illuminates the oral cavity.
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: July 25, 2006
    Inventor: Michael Klupt
  • Patent number: 6918153
    Abstract: An oral care system (1) comprising a sonic power toothbrush (2) which comprises a body (3), a brush member (4) mounted on the body (3), a brush head (5) which is supported by the brush member (4) at its end remote from the body (3) so as to be able to vibrate relative to the body (3) and which is provided with bristles (6) and an additive outlet (7), an additive container (8) connected to said additive outlet (7), driving means (9) for generating sonic frequency vibrations, and transmission means (29) for transmitting said sonic frequency vibrations to the brush head (5), wherein the toothbrush (2) comprises at least one further additive container (18). Instead of the user having to apply a first and a second additive manually to the brush head (5), these additives are already incorporated into the sonic-power toothbrush (2), which benefits the user-friendliness of the device.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: July 19, 2005
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Paul Gruber
  • Patent number: 6835181
    Abstract: The disclosed apparatus comprises a valve, a container, first and second coupling devices, a hose, and a jet tip. The valve directs water flow from the faucet to the first coupling device that releasably locks the valve in communication with the container. The water flow travels into the container to mix with oral hygiene substance to produce a liquid mixture. The second coupling device releasably locks the container in communication with the hose to receive and channel the liquid mixture to the jet tip at the hose's opposite end for generation of a spray jet useful in oral hygiene.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: December 28, 2004
    Inventor: Joseph B. Hippensteel
  • Publication number: 20040209222
    Abstract: According to one broad aspect of one embodiment of the present invention, disclosed herein is a hand held oral irrigation device having a tip for dispensing fluids. In one example, an oral irrigation device includes a body portion, and a reservoir for storing fluids, wherein the body and/or the reservoir define a first major diameter at a lower end of the oral irrigation device, and define a second major diameter at an upper end of the oral irrigation device, the first major diameter being larger than the second major diameter. In this example, by providing such a geometry for the device, a user can grasp the device with one hand about the second major diameter during use. In another example, the body includes a pump for pumping fluids from the reservoir to the tip, wherein the pump includes an inlet valve and an outlet valve, the inlet valve including a reed valve made of flexible fabric material. The outlet valve may also include a reed valve made of flexible fabric material.
    Type: Application
    Filed: December 30, 2003
    Publication date: October 21, 2004
    Inventors: Clifford J. Snyder, Gary L. Sokol, Roberta L. Callaghan
  • Patent number: 6783505
    Abstract: A high-pressure water-spray device is used to clean the teeth and is formed of a faucet connector, and a rotary member rotatably fastened to the faucet connector and provided with a receiving slot for receiving rotatably a flow control valve, and a locating slot for rotatably positioning a spherical water-spray member. The locating slot is in communication with the receiving slot which is in turn in communication with the faucet connector via a water channel of the rotary member. The flow control valve is rotatably disposed in the receiving slot in conjunction with a confinement ring. The water-spray member is rotatably disposed in the locating slot in conjunction with a stop ring.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: August 31, 2004
    Inventor: Cheng-Fu Lai
  • Patent number: 6766549
    Abstract: A toothbrush system using a combination of mechanical force and fluid dynamics to increase the efficiency of plaque removal from the teeth and gums. The toothbrush includes a head unit with an irrigator nozzle and a hydraulically actuated and continuously variable bristle platform which negotiates the complex surface geometry found in the mouth of a user. The irrigation nozzle is powered by the pulsing of an anti-microbial irrigant which gives the toothbrush head unit the distinguishing ability of being able to “feel” the contour of the teeth and to “find” the spaces between them. Once the sensing irrigator nozzle finds the spaces between the teeth, it extends into the area, and releases the anti-microbial liquid directly into the space. The configured bristle tufts of the head unit automatically adjust their position for cleaning under the gum line, between the teeth, as well as flat surfaces.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: July 27, 2004
    Inventor: Michael F. Klupt
  • Patent number: 6740053
    Abstract: A water flossing apparatus for successful use with domestic water pressure service with its inherently higher flow rates. The apparatus contains a body 2 that is adapted to either shower, sink faucet or hose bibb connection, allowing for concurrent device and shower, device and sink or device and hose usage. The body contains a valve mechanism with lever 8 for regulating flow through the device and jet tip 14 whose bent end 15 is acutely angled beyond 90 degrees to the longitudinal axis of the hand piece to direct water out of the user's mouth. Directing water out of the user's mouth rather that towards the back of the user's throat, as occurs with the obtusely angled, slightly bend jet tips of the prior art, prevents the throat from being inundated with water and a gagging potential is thus mitigated.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: May 25, 2004
    Assignee: Millenium Media Marketing, LLC
    Inventor: Gary H. Kaplowitz
  • Publication number: 20040067466
    Abstract: A safe brushing is realized without sticking the gum if the bristle tips are once inserted in a pocket of a tooth by using a system having a brush of which the bristle tips automatically vibrate in a direction at right angles with the direction of length of the bristles. A brush lever 5 having a brush 4 is swingingly supported in the nozzle 1, a flow passage 3 leading to a blow-out port 1a at an end of a nozzle 1 is partly bent, and a resilient member 7 is provided at the bent portion to urge the brush lever 5 in a direction opposite to the direction of flow of water, so that the brush lever 5 oscillates reciprocally due to the resilient force produced by the resilient member 7 and the pressure of water flow, causing the bristle tips of the brush 4 to oscillate in a direction at right angles with the direction of length of the bristles outside the nozzle 1.
    Type: Application
    Filed: June 10, 2003
    Publication date: April 8, 2004
    Inventors: Kazumasa Ito, Nobuhiro Takeda
  • Publication number: 20040063074
    Abstract: An improved method for cleaning teeth is disclosed. The method for cleaning teeth includes: applying ultrasonic waves of a first frequency through a liquid media to the teeth for a first period of time; and applying ultrasonic waves of a second frequency through a liquid media to the teeth for a second period of time.
    Type: Application
    Filed: September 30, 2002
    Publication date: April 1, 2004
    Inventor: Adarrel Omar Fisher
  • Publication number: 20040045107
    Abstract: This oral cleansing device assembly is an oral hygiene tool, which connects to the water faucet, uses normal water pressure in the system. All electric toothbrushes use a small motor, rechargeable or alkaline battery operated.
    Type: Application
    Filed: September 10, 2002
    Publication date: March 11, 2004
    Inventor: Zoltan Egeresi
  • Patent number: 6699038
    Abstract: A toothbrush which includes a handle with a head portion at one end, a recess in the head, a bristle pack located in the recess with the bristles attached by one end to the base of the recess, the recess opening being bounded by inwardly directed shoulders, and the outer extremities of the bristles lying in abutting relationship with the inner faces of the shoulders. There is a fluid supply line provided along or through the handle and communicating with the recess. Preferably, the bristle pack is formed by a number of clusters of bristles, it being the outermost clusters that are in close abutting relationship with the edges of the shoulders of the recess, and adjacent clusters at least at the edges of the pack being in close but spaced relationship.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: March 2, 2004
    Assignee: Seagreen Holding Company Limited
    Inventor: Timothy Nathaniel Stewart
  • Patent number: 6699208
    Abstract: A housing for an oral irrigator having a hand piece includes a base unit having an upper and lower portion, the lower portion engageable with a support surface and having an upper surface defining a recess for receiving the hand piece, and the lower portion defining a peripheral shoulder. The upper portion extends upwardly from the lower portion and defines a top surface, the top surface defining a port and a key structure, the upper portion being positioned inside the peripheral shoulder. A reservoir has a bottom surface defining an aperture and sidewalls extending upwardly from the bottom surface to define a cavity having a peripheral rim, the sidewalls in part defining an indentation extending from the bottom surface up to a top end adjacent the peripheral rim at a position interior to the peripheral rim. A top wall extends from the top end of the indentation to the peripheral rim, the top wall forming an overhang.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: March 2, 2004
    Assignee: Water Pik, Inc.
    Inventors: Timothy A. Bachman, Tana Clare, Andrew Serbinski