WO2010029519A2 - Dispositif de photopolymérisation - Google Patents

Dispositif de photopolymérisation Download PDF

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Publication number
WO2010029519A2
WO2010029519A2 PCT/IB2009/054025 IB2009054025W WO2010029519A2 WO 2010029519 A2 WO2010029519 A2 WO 2010029519A2 IB 2009054025 W IB2009054025 W IB 2009054025W WO 2010029519 A2 WO2010029519 A2 WO 2010029519A2
Authority
WO
WIPO (PCT)
Prior art keywords
lighting unit
charging
cordless
curing light
charging unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2009/054025
Other languages
English (en)
Other versions
WO2010029519A3 (fr
Inventor
Or Ramot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRD INSTRUM Ltd
Original Assignee
TRD INSTRUM Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TRD INSTRUM Ltd filed Critical TRD INSTRUM Ltd
Publication of WO2010029519A2 publication Critical patent/WO2010029519A2/fr
Publication of WO2010029519A3 publication Critical patent/WO2010029519A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/003—Apparatus for curing resins by radiation
    • A61C19/004—Hand-held apparatus, e.g. guns

Definitions

  • the present invention relates to curing light devices, more particularly, to a pen style, high power output, cordless light polymerization device for use in dentistry.
  • Curing light devices are commonly used in dental clinics for the purpose of polymerization of resin-based composites.
  • the clinical performance of light polymerized resin-based composites is greatly influenced by the quality of the light curing device.
  • the efficiency and convenience of the dentist's work greatly depends on the structure, shape, dimensions, and weight of the light curing device, and particularly on the necessary charging time and the lighting time that the device is capable of.
  • Curing light instrument 400 is a handheld portable instrument whice comprises a housing 1, a light emitted structure 2 supported in the housing 1, and a reflector 3 configured to interface with the light emitting structure 2 such that light emitted is captured and directed by the reflector 3 onto a light-curable compound.
  • Curing light instrument 400 may also have a self-contained power supply lending portability and convenient of use.
  • the power supply may be a portable power supply, such as a battery 4, contained in the housing 1.
  • battery 4 is a rechargeable battery contained in housing 1.
  • the curing light instrument 400 may be powered by an external source such as an
  • AC power source coupled to a converter to supply DC power to the light emitting structure.
  • Photopolymerization apparatus 500 delivers light of sufficient intensity to cause photopolymerization using a light emitted structure 2 such as single light emitting diode (LED).
  • LED single light emitting diode
  • the single LED can be positioned internally within the apparatus or at the tip of the apparatus.
  • a system of one or more lenses and/or known light focusing means or light guider 5 can be added to the device to further focus and intensify the light provided by the LED.
  • Photopolymerization apparatus 500 can be powered by batteries 4, one or more alkaline batteries, or rechargeable batteries, such as lithium ion or nickel metal hydride; or be plugged into a wall socket.
  • the curing light device overcomes these drawbacks of the background art, by providing a curing light device powered by at least one high power, high energy capacitor, such as a supercapacitor for example.
  • a high power, high energy capacitor such as a supercapacitor for example.
  • supercapacitor refers to capacitors that provide high energy density, for example including but not limited to electric double-layer capacitors, electrochemical double layer capacitors (EDLCs), or ultracapacitors as is known in the art.
  • the device according to the present invention may comprise a KorChip DR2R3506 supercapacitor as is known in the art..
  • the device according to the present invention charges rapidly as described herein.
  • the device according to the present invention may be charged in time a frame of about ninety seconds, optional up to about sixty seconds, optionally and preferably up to about twenty seconds, optionally up to about fifteen seconds and more preferably from about ten seconds to about fifteen seconds.
  • the device according to the present invention may operate for at least about 40 to about 130 seconds.
  • the curing light device according to an optional embodiment of the present invention preferably includes two units, a high power output cordless lighting unit, which also includes one or more high energy and high power capacitors, and a charging unit.
  • the design functionality of the high power output cordless lighting unit and of the charging unit resembles that of a pen and inkwell. This enables the dentist to perform polymerization, by removing the so-called pen from the so- called inkwell, lighting, and inserting it back into the inkwell for a few seconds at a time to recharge it as necessary.
  • the high power output cordless lighting unit optionally and preferably includes a housing, at least one or more high-energy capacitors (for example including capacitors AKA ultra capacitors or super-capacitors), at least one or more control buttons for example including but not limited to a switch, user interface controller, user interface button, touch sense button or the like electronic circuit to control the current provided to at least one or more light emitting element, such as a LED for example a buck, boost or buck-boost (AKA SEPIC) circuit or the like current stabilizing circuitry as is known in the art, contacts to recharge the capacitors.
  • AKA SEPIC buck-boost
  • a curing light device for polymerization of resin-based composites, the curing light device including: (a) a cordless lighting unit having predetermined form and dimensions, the cordless lighting unit includes: (i) a lighting unit housing; (ii) at least one capacitor disposed inside the lighting unit housing; and (iii) at least one light emitting element disposed inside the lighting unit housing, wherein the light emitting element is electronically connected to the at least one capacitor.
  • the curing light device further including: (b) a charging unit having predetermined form and dimensions that fit the predetermined form and dimensions of the cordless lighting unit, the charging unit includes: (i) a charging unit housing; and (ii) a socket securely connected to the charging unit housing.
  • the at least one capacitor has an empty state to a full capacity state.
  • the charging unit can charge electronically, the at least one capacitor, from an empty state to a full capacity state, at a time interval, wherein the period of time interval is up to about ninety seconds, more preferably up to about sixty seconds, most preferably up to about twenty seconds. Additional objects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
  • Figure 2 is an isometric schematic illustration of an illustrative, exemplary embodiment of a curing light device, according to the present invention.
  • Figure 3 a is a lower isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 3b is a lower isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 3 c is an upper isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 3d is an upper isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 4a is a top view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 4b is a side view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention.
  • Figure 4c is a bottom view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention, upon which section plane 4d-4d is marked.
  • Figure 4d is a 4d-4d schematic cross sectional view illustration of an illustrative, exemplary embodiment of the cordless lighting unit, according to the present invention, the illustration marking detail A in a circle.
  • Figure 5a is an isometric schematic illustration of an illustrative, exemplary embodiment of a charging unit, according to the present invention.
  • Figure 5b is a side view schematic illustration of an illustrative, exemplary embodiment of a charging unit, according to the present invention.
  • Figure 5c is a top view schematic illustration of an illustrative, exemplary embodiment of a charging unit, according to the present invention.
  • Figure 5d is an isometric schematic illustration of an illustrative, exemplary embodiment of a charging unit, according to the present invention, in which part of the charging unit housing has been removed.
  • Figures 6a-c are schematic electronic schemes of an illustrative, exemplary embodiments of the curing light device, according to the present invention.
  • Figure 2 is an isometric schematic illustration of an illustrative, exemplary embodiment of a curing light device 300, according to the present invention.
  • a cordless lighting unit 100 is inserted into or otherwise associated with a charging unit 200.
  • charging unit 200 may optionally be connected to an electrical power source (not shown) that may charge at least one or more capacitors housed within cordless lighting unit 100.
  • charging unit may comprise an internal power source (not shown here described in more detail in Figures 6A-6B) that most preferably will be used to provide the necessary power to charge at least one or more capacitors housed within cordless lighting unit 100.
  • cordless lighting unit 100 has external design, dimensions, and weight to enable convenient and ergonomic use in the dentist' s hand, while providing effective lighting and illumination of any necessary place in the oral cavity.
  • Figure 3 a is a lower isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to an optional embodiment of the present invention.
  • a lighting unit housing 11 which may be made from plastic and/or from a suitable metal such as aluminum or a combination of suitable materials, holds internal elements of lighting unit 100 together. Lighting unit housing 11 is provided with at least one or more electrical contact 12, for the purpose of conducting a current from the charging unit 200 (not shown) while charging capacitors housed within lighting unit housing 11.
  • cordless lighting unit 100 may be provided with inductive charging capabilities, wherein cordless lighting unit 100 may be provided without electrical contacts 12.
  • Figure 3b is a lower isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention. Part of the lighting unit housing 11 has been removed in order to show internal components.
  • Cordless lighting unit 100 most preferably comprises at least one or more capacitor 13.
  • Capacitor 13 most preferably is provided with properties suitable for its designation, namely, to enable a brief charging time of about a few seconds, and supply of electric energy to lighting unit 100 which enables lighting at the necessary level for long times of about tens of seconds, or at a very high burst of power for about 1 to 2 seconds, usually with high capacitance such as at the range of 30 to 100 Farad, and low maximum voltage ratings such as at the range of about 2 to 5 Volts (Energy in the range of about 50 to 100 Joule).
  • they may be connected in series or parallel according to suitable electronic control design.
  • capacitor 13 is the PSHLR-0030C0-002R3 type capacitor, manufactured by NessCap ® , which has the specifications of : Rated Capacitance (discharge with constant current at 25°) of 30F, Max. Current (1 sec. discharge rate to 1/2V R ) of 14. IA, Stored Energy (at V R ) of 0.022Wh
  • FIG. 3c is an upper isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention.
  • the lighting unit housing 11 is preferably provided with at least one operation button 14.
  • the operation button 14 is preferably connected mechanically and electronically to a printed circuit board (herein referred to "PCB") (not shown in the present illustration), that enables user control and operation of the emitting and cessation of lighting from the cordless lighting unit 100.
  • PCB printed circuit board
  • Figure 3d is an upper isometric schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention. Part of the lighting unit housing 11 has been removed, in order to show internal components at least one or more capacitor 13 and operating button 14 as previously described in Figures 3b and 3d.
  • Figure 4a is a top view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention.
  • Figure 4b is a side view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention.
  • Figure 4c is a bottom view schematic illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention, upon which section plane 4d-4d is marked.
  • Figure 4d is a 4d-4d schematic cross sectional view illustration of an illustrative, exemplary embodiment of the cordless lighting unit 100, according to the present invention, the illustration marking detail A in a circle.
  • At least one or more light emitting element 17 emits light in a certain range of wavelengths most preferably in keeping with the curing properties required to bring about the polymerization of resin-based composites utilized.
  • at least one or more light emitting element 17 may be provided in the form of a light bulb with a wide range of available wavelengths that may optionally and preferably be filtered to provide a required wavelength by means of a wavelength filter, and power to comply with the curing material sensitivity.
  • Such light emitting element 17 may be, but is not limited to, at least one or more light emitting diode (herein referred to as "LED").
  • at least one or more light emitting element 17 may be provided in the form of an LED array.
  • One such optional LED is the LUXEON Rebel royal-blue LED, manufactured by Philips LumiledsTM, operated between 35OmA and 1,00OmA, approximately 225mW of radiometric power.
  • Light emitted from at least one or more light emitting element 17 is most preferably reflected by a reflector 19 toward a lens 18.
  • Lens 18 preferably directs light, emitted from at least one or more light emitting element 17, which is reflected onto it directly from reflector 19 and focuses light onto the desired location for the purpose of convenient performance of the procedure by the dentist.
  • the controlled sequence may be provided as a constant current, or pulse currents or ramp up current or the like as is known in the art.
  • the electronic circuit (not shown) associated with PCB 15 may optionally consist of a buck, boost, buck-boost driver and a micro-controller, or the like.
  • the driver circuitry (not shown) provided with PCT 15 is optionally and preferably dependent on the capacitor(s) 13 and capacitor configuration utilized (e.g. parallel or series) and on at least one or more light emitting element(s) 17 chosen and their configuration (e.g. parallel or serial).
  • a second PCB 16 is preferably provided to hold at least one or more light emitting element 17, optionally and preferably provided in the form of a surface mounted LED on PCB 16. Most preferably second PCB 16 is not directly linked or coupled to PCB 15 and is provided with a separation from first PCB 15 most preferably to provide at least one or more light emitting element 17 with an angle relative to first PCB 15.
  • FIG. 5a is an isometric schematic illustration of an illustrative, exemplary embodiment of a charging unit 200, according to the present invention.
  • the charging unit 200 most preferably enables charging of at least one capacitor 13 with electricity, to full charge most preferably in short time interval in comparison with a similar charge level in prior devices.
  • the charging unit 200 comprises charging unit housing 21 which maybe composed of at least one or more parts, optionally an preferably housing 21 is provided in two halves as shown in the illustrations, or of other configurations of two parts, or even more than two parts.
  • the upper face of charging unit 200 comprises a handpiece recharging socket 22, with which a corresponding portion of cordless lighting unit 100 is electrically coupled for electrically charging cordless lighting unit 100 with power provided from charging unit 200.
  • lighting unit 100 may be coupled with charging unit 200 via wireless, wire, contact, contactless, induction or the like electronic coupling.
  • lighting unit 100 is charged by inserted into handpiece recharging socket 22, for the purpose of electric charging, similar to the insertion of a quill into an inkwell for charging with ink.
  • the geometric shapes of socket 22 and of cordless lighting unit 100 are compatible, to allow for charging by electric contact and/or induction between them.
  • Figure 5b is a side view schematic illustration of an illustrative, exemplary embodiment of a charging unit 200, according to the present invention.
  • Power connectors 25 optionally protrude from charging unit housing 21, although they may also be provided in sunken and/or surface level formations relative to housing 21. Power connectors 25 enable power feed from an external source such as the domestic grid, Mains power supply (in this case, charging unit 200, as well as transformer and current AC to DC adaptor, not shown in the present illustration show in more detail in Figure 6A- C), or from a DC current source, for example a battery.
  • charging unit 200 is provided with at least one status indicator 24 optionally and preferably for displaying the charge status of capacitor 13. For example, after a few seconds when the capacitor 13 is full, a green light of the status indicator 24 is lit. The status indicator 24 may also optionally show the status of a charging unit energy storage element 26 (not shown; shown in Figure 5d).
  • Figure 5c is a top view schematic illustration of an illustrative, exemplary embodiment of a charging unit 200, according to the present invention.
  • Figure 5d is an isometric schematic illustration of an illustrative, exemplary embodiment of a charging unit 200, according to the present invention, part of whose charging unit housing 21 has been removed to reveal internal portions.
  • FIG. 5d also reveals internal components, including a charging unit energy storage element 26, which may be provided in the form of rechargeable battery, to allow high power to flow from charging unit 200 to capacitor 13 while charging, and to provide a user the option of using curing light device 300 without charging unit 200 being connected permanently to an external and/or Mains power source.
  • a charging unit energy storage element 26 which may be provided in the form of rechargeable battery, to allow high power to flow from charging unit 200 to capacitor 13 while charging, and to provide a user the option of using curing light device 300 without charging unit 200 being connected permanently to an external and/or Mains power source.
  • Figure 5d also reveals a third PCB 23 comprising an electric circuit that preferably serves to control the charging process for at least one or more capacitor 13 .
  • PCB 23 may provide for control of the charging process for the charging unit energy storage element 26.
  • PCB 23 may comprise an indicator, for example including but not limited to acoustic or optical indicators such as a buzzer and/or light, to indicate to a user the
  • Charging of capacitor 13 may optionally be provided by conducting an electric current through corresponding electrical contacts 12 respectively disposed on socket 22 and lighting unit 100, or optionally by way of induction.
  • Charging of capacitor 13 may optionally be provided by conducting an electric current through corresponding electrical contacts 12 respectively disposed on socket 22 and lighting unit 100, or optionally by way of induction.
  • the user holds the tip of the cordless lighting unit 100, in which at least one or more light emitting element 17 is disposed, in front of the material to be cured.
  • the user presses the operation button 14 and energy is transferred by a current control circuit optionally PCB 15 and PCB 16 from the capacitors to at least one or more light emitting element 17.
  • Light is then optionally directed through filters 19 and lens 18 and is emitted onto the material to be cured.
  • FIGS 6A-C provide schematic block diagrams of optional electronic circuitry of curing light device 300 according to optional embodiments of the present invention showing optional power configurations as depicted in a charging unit 610 and 611.
  • Curing light device 300 comprises charging unit 610,611 (previously referred to as 200) and handpiece unit 100, an electrical adaptor 604 for example an AC/DC charger, as described above.
  • Electrical adaptor 604 mediates electrical power provided to curing light device 300 and specifically to charging unit 610, 611 from the input mains power source 602.
  • Handpiece unit 100 comprises at least one capacitor 13, contacts 12, controller 14, discharge circuit 15, at least one or more light source 17 as described above in Figures 2-4.
  • FIG. 6A shows a schematic circuit diagram of an optional embodiment of curing light device 300 where charging unit 610 is provided with an internal power source 26, for example a battery, for charging handpiece unit 100 when charging unit 610 is not connected to the mains power supply 602.
  • an internal power source may provide for mobile power and use of curing light device 300 allowing a user to optionally charge handpiece 100 without being connected to mains power supply 602.
  • internal power source 26 may be provided in the form of rechargeable batteries as are known in the art and may be controllably charged with charging circuit 614b.
  • internal power source may be provided in the form of non rechargeable batteries that may be replaced once their energy source is spent.
  • Charger unit 610 circuit scheme may provide for charging handpiece 100, many times before internal power source 26 is spent requiring replenishment by recharging using adaptor 604 with mains power 602.
  • controller 612 and discharge circuit 618 provide for controllable charging of handpiece 100 through contacts 12 optionally form internal power supply 26 or from mains power source 602 and adaptor 604.
  • Figure 6B provides a schematic circuit diagram of an optional embodiment of curing light device 300 comprising an internal power source 26 with a super capacitor charging circuit 614c which may optionally and preferably provide for a quick charge of handpiece 100, optionally providing a single handpiece charge time of up to about ninety seconds, optional up to about sixty seconds, optionally and preferably up to about twenty seconds, more preferably up to about fifteen seconds and most preferably from about ten seconds to fifteen seconds.
  • internal power source 26 comprises at least one or more rechargeable battery.
  • Optionally internal power source 26 comprises at least one or more super capacitor and/or at least one or more battery.
  • controller 612 and discharge circuit 618 provide for controllable charging of handpiece 100 through contacts 12 optionally form internal power supply 26 or from mains power source 602 and adaptor 604.
  • Figure 6C provides an optional embodiment of base unit 611 that does not comprise an internal power source 26 as described in base unit 610 of Figures 6A and 6B above.
  • Base unit 611 is devoid of an internal power source and therefore requires both adaptor 604 and mains power 602 to recharge and/or power handpiece 100.
  • controller 612 and discharge circuit 618 provide controllable charging of handpiece 100 through contacts 12.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Dispositif de photopolymérisation utilisé pour la polymérisation de composites à base de résine, le dispositif étant sans fil, présentant un court temps de charge et étant principalement conçu pour les applications dentaires. L'émission lumineuse du dispositif est suffisamment puissante et longue pour assurer la polymérisation de composites à base de résine.
PCT/IB2009/054025 2008-09-15 2009-09-15 Dispositif de photopolymérisation Ceased WO2010029519A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13655408P 2008-09-15 2008-09-15
US61/136,554 2008-09-15

Publications (2)

Publication Number Publication Date
WO2010029519A2 true WO2010029519A2 (fr) 2010-03-18
WO2010029519A3 WO2010029519A3 (fr) 2010-04-29

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2465466A1 (fr) * 2010-12-20 2012-06-20 Ivoclar Vivadent AG Appareil dentaire manuel
WO2012154434A1 (fr) * 2011-05-06 2012-11-15 Welch Allyn, Inc. Alimentation électrique capacitive pour un dispositif portatif
US8568140B2 (en) 1998-01-20 2013-10-29 Jozef Kovac Apparatus and method for curing materials with radiation
WO2013135340A3 (fr) * 2012-03-13 2013-11-28 Silvane Tesmer Dispositif pour appliquer des gels pour ongles et pour le durcissement de gels pour ongles à l'aide d'une source lumineuse
US9066777B2 (en) 2009-04-02 2015-06-30 Kerr Corporation Curing light device
US9072572B2 (en) 2009-04-02 2015-07-07 Kerr Corporation Dental light device
US9153994B2 (en) 2011-10-14 2015-10-06 Welch Allyn, Inc. Motion sensitive and capacitor powered handheld device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1276917A (zh) * 1997-09-25 2000-12-13 布里斯托尔大学 光学辐照装置
JP4130371B2 (ja) * 2003-01-30 2008-08-06 株式会社松風 口腔用ｌｅｄ光照射器
US20070128577A1 (en) * 2005-12-05 2007-06-07 Ultradent Products, Inc. Dental curing lights including a capacitor power source

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8568140B2 (en) 1998-01-20 2013-10-29 Jozef Kovac Apparatus and method for curing materials with radiation
US9622839B2 (en) 1998-01-20 2017-04-18 Kerr Corporation Apparatus and method for curing materials with radiation
US9572643B2 (en) 1998-01-20 2017-02-21 Kerr Corporation Apparatus and method for curing materials with radiation
US9066777B2 (en) 2009-04-02 2015-06-30 Kerr Corporation Curing light device
US9987110B2 (en) 2009-04-02 2018-06-05 Kerr Corporation Dental light device
US9730778B2 (en) 2009-04-02 2017-08-15 Kerr Corporation Curing light device
US9072572B2 (en) 2009-04-02 2015-07-07 Kerr Corporation Dental light device
US9693846B2 (en) 2009-04-02 2017-07-04 Kerr Corporation Dental light device
EP2465466A1 (fr) * 2010-12-20 2012-06-20 Ivoclar Vivadent AG Appareil dentaire manuel
US9179990B2 (en) 2010-12-20 2015-11-10 Ivoclar Vivadent Ag Hand-held dental device
EP2465467A1 (fr) 2010-12-20 2012-06-20 Ivoclar Vivadent AG Appareil dentaire manuel
US8890489B2 (en) 2011-05-06 2014-11-18 Welch Allyn, Inc. Capacitive power supply for handheld device
WO2012154434A1 (fr) * 2011-05-06 2012-11-15 Welch Allyn, Inc. Alimentation électrique capacitive pour un dispositif portatif
US9153994B2 (en) 2011-10-14 2015-10-06 Welch Allyn, Inc. Motion sensitive and capacitor powered handheld device
US9833223B2 (en) 2011-10-14 2017-12-05 Welch Allyn, Inc. Capacitor powered battery replacement device
US10278681B2 (en) 2011-10-14 2019-05-07 Welch Allyn, Inc. Motion sensitive and capacitor powered handheld device
WO2013135340A3 (fr) * 2012-03-13 2013-11-28 Silvane Tesmer Dispositif pour appliquer des gels pour ongles et pour le durcissement de gels pour ongles à l'aide d'une source lumineuse

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