Patents by Inventor Ioana M. Rizoiu
Ioana M. Rizoiu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6821272Abstract: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to 5. Additionally, the full-width half-max value of the output optical energy distributions are between 0.025 and 250 microseconds and, more preferably, are about 70 microseconds. A flashlamp is used to drive the laser system, and a current is used to drive the flashlamp. A flashlamp current generating circuit includes a solid core inductor which has an inductance of 50 microhenries and a capacitor which has a capacitance of 50 microfarads.Type: GrantFiled: June 6, 2002Date of Patent: November 23, 2004Assignee: BioLase Technology, IncInventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Publication number: 20040106082Abstract: A dental device for exposing teeth to electromagnetic radiation includes a carrier and at least one source of electromagnetic radiation attached to the carrier and oriented so that the electromagnetic radiation is emitted from the source to a surface of a tooth. The dental device may also include a power source internally or externally disposed with respect to the carrier, and may include a circuit for controlling radiation emitted from the source. The dental device may be used for whitening teeth, and dental hygiene in general. Related methods are also disclosed.Type: ApplicationFiled: July 22, 2003Publication date: June 3, 2004Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Publication number: 20040092925Abstract: An electromagnetically induced cutting mechanism which can provide accurate cutting operations on both hard and soft materials is disclosed. The electromagnetically induced cutter is capable of providing extremely fine and smooth incisions, irrespective of the cutting surface. Additionally, a user programmable combination of atomized particles allows for user control of various cutting parameters. The various cutting parameters may also be controlled by changing spray nozzles and electromagnetic energy source parameters. Applications for the cutting mechanism include medical, dental, industrial (etching, engraving, cutting and cleaning) and any other environments where an objective is to precisely remove surface materials without inducing thermal damage, uncontrolled cutting parameters, and/or rough surfaces inappropriate for ideal bonding. The cutting mechanism further does not require any films of water or any particularly porous surfaces to obtain very accurate and controllable cutting.Type: ApplicationFiled: July 21, 2003Publication date: May 13, 2004Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Publication number: 20040091834Abstract: A cleaning and whitening system for teeth having an electromagnetic radiation emitting toothbrush and a dentifrice with a photosensitive agent is disclosed. The toothbrush has a cleaning surface, such as bristles. The toothbrush is also adapted to direct electromagnetic radiation toward the cleaning surface. The electromagnetic radiation may be monochromatic or polychromatic. Further, the electromagnetic radiation may be substantially free of ultraviolet radiation. Additionally, the electromagnetic radiation may consist essentially of wavelengths within a range of 300 to 750 nanometers. The photosensitive agent is dispersed throughout the dentifrice. The dentifrice transmits the electromagnetic radiation through a varying thickness disposed over a target surface during use of the system. As a result, a significant portion of the photosensitive agent reacts, resulting in whitening stains, removing and/or disclosing undesired substances, and/or foaming.Type: ApplicationFiled: July 21, 2003Publication date: May 13, 2004Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Publication number: 20040068256Abstract: An electromagnetically induced cutting mechanism provides accurate cutting operations on soft tissues. The electromagnetically induced cutter is adapted to interact with atomized fluid particles. A tissue remover comprises an aspiration cannula housing a fluid and energy guide for conducting electromagnetically induced cutting forces to the site within a patient's body for aspiration of soft tissue. The cannula is provided with a cannula distal end. The proximal end of the cannula is provided with fluid flow connection to an aspiration source. Separated soft tissue and fluid are aspirated through the cannula distal end and the cannula by an aspiration source at the proximal end of the cannula.Type: ApplicationFiled: September 22, 2003Publication date: April 8, 2004Applicant: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6669685Abstract: An electromagnetically induced cutting mechanism provides accurate cutting operations on soft tissues. The electromagnetically induced cutter is adapted to interact with atomized fluid particles. A tissue remover comprises an aspiration cannula housing a fluid and energy guide for conducting electromagnetically induced cutting forces to the site within a patient's body for aspiration of soft tissue. The cannula is provided with a cannula distal end. The proximal end of the cannula is provided with fluid flow connection to an aspiration source. Separated soft tissue and fluid are aspirated through the cannula distal end and the cannula by an aspiration source at the proximal end of the cannula.Type: GrantFiled: November 15, 2000Date of Patent: December 30, 2003Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I Kimmel
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Publication number: 20030228094Abstract: A fiber tip fluid output device is provided for holding a fiber tip in an electromagnetic energy cutting apparatus and for directing water particles over a radiation delivery end of the fiber tip. The fiber tip fluid output device includes a generally cylindrical body having an outer surface, a proximal end, a distal end, and a lumen extending between the proximal end and the distal end. The lumen is sized and shaped to accommodate a fiber tip therethrough so that the fiber tip extends through the lumen from the proximal end to the distal end of the generally cylindrical body. The fiber tip fluid output device further includes a plurality of apertures extending around the generally cylindrical body, with each of the apertures of the plurality of apertures fluidly connecting the outer surface to the lumen. Fluid is mixed around the cylindrical body, before entering the lumen through the plurality of apertures for additional mixing.Type: ApplicationFiled: April 1, 2003Publication date: December 11, 2003Applicant: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Jeffrey W. Jones
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Patent number: 6616447Abstract: A dental device for exposing teeth to electromagnetic radiation includes a carrier and at least one source of electromagnetic radiation attached to the carrier and oriented so that the electromagnetic radiation is emitted from the source to a surface of a tooth. The dental device may also include a power source internally or externally disposed with respect to the carrier, and may include a circuit for controlling radiation emitted from the source. The dental device may be used for whitening teeth, and dental hygiene in general. Related methods are also disclosed.Type: GrantFiled: November 15, 2001Date of Patent: September 9, 2003Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6610053Abstract: An electromagnetically induced cutting mechanism which can provide accurate cutting operations on both hard and soft materials is disclosed. The electromagnetically induced cutter is capable of providing extremely fine and smooth incisions, irrespective of the cutting surface. Additionally, a user programmable combination of atomized particles allows for user control of various cutting parameters. The various cutting parameters may also be controlled by changing spray nozzles and electromagnetic energy source parameters. Applications for the, cutting mechanism include medical, dental, industrial (etching, engraving, cutting and cleaning) and any other environments where an objective is to precisely remove surface materials without inducing thermal damage, uncontrolled cutting parameters, and/or rough surfaces inappropriate for ideal bonding. The cutting mechanism further does not require any films of water or any particularly porous surfaces to obtain very accurate and controllable cutting.Type: GrantFiled: December 5, 1997Date of Patent: August 26, 2003Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6567582Abstract: A fiber tip fluid output device is provided for holding a fiber tip in an electromagnetic energy cutting apparatus and for directing water particles over a radiation delivery end of the fiber tip. The output device includes a generally cylindrical body having an outer surface, a proximal end, a distal end, and a lumen extending therebetween. The lumen is sized and shaped to accommodate a fiber tip therethrough so that the fiber tip extends through the lumen. The device further includes a plurality of apertures extending around the generally cylindrical body, with each of the apertures fluidly connecting the outer surface to the lumen. Fluid is mixed around the cylindrical body, before entering the lumen through the apertures for additional mixing. The mixed fluid is then output from the lumen onto the fiber tip, for subsequent interaction with electromagnetic energy in an interaction zone above a target surface.Type: GrantFiled: March 30, 2001Date of Patent: May 20, 2003Inventors: Ioana M. Rizoiu, Jeffrey W. Jones
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Patent number: 6561803Abstract: A fluid conditioning system is adaptable to condition the water or air used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The air or water may be conditioned by adding flavor, scent, saline, medications, and disinfectants. In addition to the direct benefits obtained from introduction of these agents, the laser cutting properties may be varied from the selective introduction of the various agents.Type: GrantFiled: November 27, 2001Date of Patent: May 13, 2003Assignee: Bioluse TechnologyInventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6544256Abstract: An electromagnetically induced mechanical cutting mechanism provides accurate cutting and ablating operations on soft tissues such as skin. Electromagnetic energy is concentrated into moist air and/or atomized fluid particles above the skin and, subsequently, the electromagnetic energy is absorbed by the moisture and/or atomized fluid particles to impart disruptive forces onto the skin. The moist air and/or atomized fluid particles may be medicated.Type: GrantFiled: April 23, 1999Date of Patent: April 8, 2003Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6533775Abstract: A device for disrupting hair growth includes an applicator sized and configured to be held in a hand of a user for shaving, and a source of electromagnetic energy constructed to emit electromagnetic energy having an energy density of between about 0.1 J/cm2 and about 15 J/cm2 and, more preferably, between about 0.1 J/cm2 and 1 J/cm2. The device further includes a blade affixed to the applicator, the blade being constructed to fit smoothly against and to be swept over a skin surface that has been subjected to the emitted electromagnetic energy from the source of electromagnetic energy, to thereby mechanically remove hair from the skin surface.Type: GrantFiled: May 5, 2000Date of Patent: March 18, 2003Inventor: Ioana M. Rizoiu
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Publication number: 20020149324Abstract: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to 5. Additionally, the full-width half-max value of the output optical energy distributions are between 0.025 and 250 microseconds and, more preferably, are about 70 microseconds. A flashlamp is used to drive the laser system, and a current is used to drive the flashlamp. A flashlamp current generating circuit includes a solid core inductor which has an inductance of 50 microhenries and a capacitor which has a capacitance of 50 microfarads.Type: ApplicationFiled: June 6, 2002Publication date: October 17, 2002Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6389193Abstract: A rotating handpiece is disclosed, having a parabolic mirror coupling to optical fibers which are disposed perpendicularly to an input optical fiber and an output optical fiber. The output optical fiber of the two is adapted to rotate relative to a longitudinal axis of the input optical fiber.Type: GrantFiled: December 22, 1999Date of Patent: May 14, 2002Assignee: BioLase Technology, Inc.Inventors: Andrew I. Kimmel, Ioana M. Rizoiu
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Patent number: 6350123Abstract: A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, medications, and pigments. In addition to the direct benefits obtained from introduction of these agents, the laser cutting properties may be varied from the selective introduction of the various agents.Type: GrantFiled: February 24, 1999Date of Patent: February 26, 2002Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Publication number: 20020014855Abstract: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to 5. Additionally, the full-width half-max value of the output optical energy distributions are between 0.025 and 250 microseconds and, more preferably, are about 70 microseconds. A flashlamp is used to drive the laser system, and a current is used to drive the flashlamp. A flashlamp current generating circuit includes a solid core inductor which has an inductance of 50 microhenries and a capacitor which has a capacitance of 50 microfarads.Type: ApplicationFiled: June 18, 2001Publication date: February 7, 2002Applicant: BiloLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6288499Abstract: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to 5. Additionally, the full-width half-max value of the output optical energy distributions are between 0.025 and 250 microseconds and, more preferably, are about 70 microseconds. A flashlamp is used to drive the laser system, and a current is used to drive the flashlamp. A flashlamp current generating circuit includes a solid core inductor which has an inductance of 50 microhenries and a capacitor which has a capacitance of 50 microfarads.Type: GrantFiled: June 12, 1997Date of Patent: September 11, 2001Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6254597Abstract: An electromagnetically induced cutting mechanism provides accurate cutting operations on soft tissues. The electromagnetically induced cutter is adapted to interact with atomized fluid particles. A non-thermal tissue remover comprises an aspiration cannula housing a fluid and energy guide for conducting electromagnetically induced mechanical cutting forces to the site within a patient's body for aspiration of soft tissue. The cannula is provided with an aspiration inlet port adjacent the cannula distal end. The proximal end of the cannula is provided with fluid flow connection to an aspiration source. Separated soft tissue and fluid are aspirated through the aspiration inlet port and the cannula by an aspiration source at the proximal end of the cannula.Type: GrantFiled: November 6, 1998Date of Patent: July 3, 2001Assignee: BioLase Technology, Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel
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Patent number: 6231567Abstract: An electromagnetically induced cutting mechanism provides accurate cutting operations on industrial materials. The electromagnetically induced cutter is adapted to interact with atomized fluid particles. A non-thermal material remover comprises a fluid and energy guide for conducting electromagnetically induced mechanical cutting forces onto a target surface.Type: GrantFiled: March 16, 1999Date of Patent: May 15, 2001Assignee: Biolase Technology Inc.Inventors: Ioana M. Rizoiu, Andrew I. Kimmel