Medical illuminator, and medical apparatus having the medical illuminator

• US 20020151941A1
• Filed: 04/12/2002
• Published: 10/17/2002
• Est. Priority Date: 04/16/2001
• Status: Abandoned Application

• Current Assignee: J Morita Manufacturing
• Original Assignee: J Morita Manufacturing
• Inventors: Matoba, Kazunari, Okawa, Shinichi, Imazato, Minoru
• Application Number:
  US10/121,410
• Publication Number:
  US 20020151941A1
• Time in Patent Office: Days
• US Class Current: 607/99
• CPC Class Codes: A61B 90/30 Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• CPC Class Codes: A61B 90/36 Image-producing devices or illumination devices not otherwise provided for
• CPC Class Codes: A61C 1/088 Illuminating devices or attachments for examination of the mouth A61B1/24 and A61B1/06
• CPC Class Codes: A61C 19/004 Hand-held apparatus, e.g. guns
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details

Abstract

A small-sized and high-powered medical illuminating device, and other devices, such as a medical photopolymerizer and a medical hand-piece, including the medical illuminating device. The medical illuminating device includes plural light emitting components which are integrated with a base forming into a light emission module. The base includes a substrate member having at least a concave, and the light emitting component is mounted on a bottom surface of the concave. Side surfaces of the concave of the substrate member function as a reflector for reflecting the light emitted from the light emitting component towards its front.

Claims

1. A medical illuminator, comprising:

a base member; and

a plurality of light emitting elements for emitting light, in which the light emitting elements are integrated and provided in the base member, and in which the base member and the plurality thereof are formed as a light emitting module.

2. The medical illuminator as claimed in claim 1, wherein each of the plurality of light emitting elements is one of a bare chip and a chip element.

3. The medical illuminator as claimed in claim 2, wherein the light emitting module comprises a light collector which has one of a shape and a construction for collecting the light emitted from the light emitting elements.

4. The medical illuminator as claimed in claim 3, wherein the light collector comprises one of a lens for converging the light emitted from the light emitting elements in which the lens is provided on a side on which the light is emitted from the light emitting elements and a light converter for making parallel the light emitted from the light emitting elements in which the light converter is provided on the side.

5. The medical illuminator as claimed in claim 2, wherein the light emitting module is flat in shape, and

wherein the light is output from a main surface of the light emitting module.

6. The medical illuminator as claimed in claim 2, wherein the light emitting module is covered by a transparent resin on at least a side on which the light emitting elements emit the light.

7. The medical illuminator as claimed in claim 6, wherein the light emitting module is sealed by the transparent resin.

8. The medical illuminator as claimed in claim 2, which further comprises a cooler for cooling the light emitting module.

9. The medical illuminator as claimed in claim 2, wherein each of the light emitting elements is one of a light emitting diode and a laser semiconductor.

10. A medical light irradiator for photocuring which comprises the medical illuminator as claimed in claim 2, wherein the light emitted from the light emitting module is employed for curing photocuring resin material.

11. The medical light irradiator as claimed in claim 10, wherein the light emitting elements emit lights with different wavelengths.

12. The medical light irradiator as claimed in claim 11, wherein the light emitting elements include at least one first element for emitting white light and include at least one second element for emitting blue light, and

wherein the white light and the blue light can be selectively irradiated.

13. The medical light irradiator as claimed in claim 10, wherein there is provided a light collector inside the light emitting module.

14. The medical light irradiator as claimed in claim 13, wherein the light emitting module has a shape which has a property of collecting the light.

15. The medical light irradiator as claimed in claim 14, wherein each of the light emitting elements is provided with a predetermined angle in the light emitting module so that a light emitting surface of the each thereof is orientated towards a common point.

16. The medical light irradiator as claimed in claim 13, wherein the light collector comprises one of a lens for converging the light emitted from the light emitting elements in which the lens is provided on a side on which the light is emitted from the light emitting elements and a light converter for making parallel the light emitted from the light emitting elements in which the light converter is provided on the side.

17. The medical light irradiator as claimed in claim 10, wherein the light emitting module is flat in shape, and

wherein the light is output from a main surface of the light emitting module.

18. The medical light irradiator as claimed in claim 10, wherein the light emitting elements are driven by pulse.

19. The medical light irradiator as claimed in claim 10, wherein the light emitting module is provided on a tip part of the medical light irradiator.

20. The medical light irradiator as claimed in claim 19, which further comprises:

an elongate supporter; and

a light outputting part for outputting the light emitted from the light emitting module, in which one end of the elongate supporter is connected to the light outputting part,

wherein a direction in which the light is outputted from the light outputting part is different from a direction in which the elongate supporter extends.

21. The medical light irradiator as claimed in claim 19, which further comprises:

an elongate supporter; and

a light outputting part for outputting the light emitted from the light emitting module, in which one end of the elongate supporter is connected to the light outputting part,

wherein the elongate supporter has a flexible part which can be bent into a desirable shape and maintain the desirable shape.

22. The medical light irradiator as claimed in claim 10, which further comprises a cooler for cooling the light emitting module.

23. The medical light irradiator as claimed in claim 22, wherein the cooler has one of a fan, a Peltier element, and a heatsink.

24. The medical light irradiator as claimed in claim 22, which further comprises:

an elongate supporter; and

a light outputting part for outputting the light emitted from the light emitting module, in which one end of the elongate supporter is connected to the light outputting is part,

wherein the cooler is a ventilator through which a cooling air for cooling the light emitting module passes.

25. The medical light irradiator as claimed in claim 22, in which the cooler is a fan for cooling the light emitting module.

26. The medical light irradiator as claimed in claim 25, wherein the light emitting module and the fan for cooling the light emitting module are provided on a tip part of the medical light irradiator.

27. The medical light irradiator as claimed in claim 22, wherein the cooler is a heatsink which is provided on the light emitting module.

28. The medical light irradiator as claimed in claim 27, which further comprises a fan for cooling the heatsink.

29. The medical light irradiator as claimed in claim 10, which further comprises a metal housing inside which the light emitting module is installed.

30. The medical light irradiator as claimed in claim 10, wherein one of a light guide and an outer lens is provided in opposition to the light emitting module.

31. The medical light irradiator as claimed in claim 30, wherein the light guide is a taper type light guide.

32. The medical light irradiator as claimed in claim 30, wherein the one of the light guide and the outer lens is connected to the light emitting module detachably.

33. The medical light irradiator as claimed in claim 32, wherein the light guide can be selected from a plurality of light guides with different shapes.

34. The medical light irradiator as claimed in claim 10, wherein there are provided a controller for controlling emission of the light from the light emitting elements and a battery for supplying electricity to both of the controller and the light emitting elements, in a housing of the medical light irradiator.

35. A medical instrument which comprises the medical illuminator as claimed in claim 2, wherein the light emitted from the light emitting module is employed for illuminating oral cavity.

36. The medical instrument as claimed in claim 35, wherein each of the light emitting elements is a light emitting diode which emits white light.

37. The medical instrument as claimed in claim 35, wherein the light emitting elements include at least one first element for emitting white light and include at least one second element for emitting blue light, wherein the white light and the blue light can be selectively irradiated.

38. The medical instrument as claimed in claim 35, wherein the light emitting module is arranged at one of a location corresponding to a head of the medical instrument and a location in vicinity of the head.

39. The medical instrument as claimed in claim 35, which further comprises a light guide for leading the light from the light emitting module to a light projecting part which is provided at one of a location corresponding to a head of the medical instrument and a location in vicinity of the head.

40. The medical instrument as claimed in claim 35, wherein an air is employed for cooling the light emitting module.

41. A medical unit which comprises the medical illuminator as claimed in claim 2, wherein the light emitted from the light emitting module is employed for illumination.

42. The medical unit as claimed in claim 41, wherein the light emitting elements include at least one first element for emitting white light and include at least one second element for emitting blue light, wherein the white light and the blue light can be selectively illuminated.

43. A medical light irradiator for photocuring which comprises the medical illuminator as claimed in claim 1.

44. The medical light irradiator as claimed in claim 43, which further comprises:

a light leading part which has a surface of incidence and a surface of irradiation that is smaller than the surface of incidence, in which the light emitted from the light emitting module, enters the surface of incidence, is led to the surface of irradiation, and is irradiated from the surface of irradiation,

wherein the light emitted from the light emitting module is a light suitable for curing photocuring resin material.

45. The medical light irradiator as claimed in claim 43, which further comprises:

a light leading part which has a surface of incidence and a surface of irradiation, in which the light emitted from the light emitting module, enters the surface of incidence, is led to the surface of irradiation, and is irradiated from the surface of irradiation,

wherein the light emitted from the light emitting module is a light suitable for curing photocuring resin material, and

wherein the light emitting module and the light leading part are provided on an end of the medical light irradiator.

46. The medical light irradiator as claimed in claim 45, wherein the surface of irradiation is smaller than the surface of incidence in area.

47. The medical light irradiator as claimed in claim 45, wherein the light leading part is detachably provided on a housing of the medical light irradiator.

48. The medical light irradiator as claimed in claim 47, wherein the light leading part can be selected from a plurality of light leading parts with different shapes.

49. The medical light irradiator as claimed in claim 43, which further comprises one of a conversion lens for narrowing directivity of the light emitted from the light emitting module, and a condenser for condensing the light emitted from the light emitting module and for directly irradiating the light toward outside,

wherein the light emitted from the light emitting module is a light suitable for curing photocuring resin material, and

wherein the light emitting module, and the one of the conversion lens and the condenser, are provided on an end of the medical light irradiator.

50. The medical light irradiator as claimed in claim 49, which further comprises a converting lens for narrowing directivity of the light emitted from the light emitting elements, wherein the converting lens is provided between the light emitting elements and the condenser.

51. The medical light irradiator as claimed in claim 43, wherein the light emitting module is supported by a tip portion of an elongate supporter, and

wherein a direction in which the light is emitted from the light emitting module, is different from a direction in which the elongate supporter extends.

52. The medical light irradiator as claimed in claim 51, wherein the light emitting module is flat in shape, and

wherein the light is output from a main surface of the light emitting module.

53. The medical light irradiator as claimed in claim 43, which further comprises an elongate supporter having a tip portion,

wherein a tip portion member is connected to the tip portion, and

wherein the light emitting module is provided inside the tip portion member.

54. The medical light irradiator as claimed in claim 43, which further comprises an elongate supporter, in which the light emitting module is supported by an end part of the elongate supporter,

wherein the elongate supporter has a flexible part which can be bent into a desirable shape and maintain the desirable shape.

55. The medical light irradiator as claimed in claim 43, wherein each of the light emitting elements is provided with a predetermined angle in the light emitting module so that the light emitted from the light emitting elements is irradiated towards a common point,

wherein there is provided a light leading part which has a surface of incidence and a surface of irradiation that is smaller than the surface of incidence, in which the light emitted from the light emitting module, enters the surface of incidence, is led to the surface of irradiation, and is irradiated from the surface of irradiation, and

wherein the surface of incidence is located at the common point.

56. The medical light irradiator as claimed in claim 43, wherein the plurality of light emitting elements include light emitting elements which emit lights having different wavelengths.

57. The medical light irradiator as claimed in claim 43, wherein the light emitting elements are driven by pulse.

58. The medical light irradiator as claimed in claim 43, wherein there are provided a controller for controlling emission of the light from the light emitting elements and a battery for supplying electricity to both of the controller and the light emitting elements, in a housing of the medical light irradiator.

59. The medical light irradiator as claimed in claim 43, wherein the light is a light suitable for curing photocuring resin, and

wherein there is provided a cooler for cooling the plurality of light emitting elements.

60. The medical light irradiator as claimed in claim 59, wherein the cooler is built in the light emitting module.

61. The medical light irradiator as claimed in claim 43, which further comprises:

a reflection surface for reflecting the light emitted from each of the light emitting elements,

wherein the light emitted from the light emitting module is a light suitable for curing photocuring resin material.

62. The medical light irradiator as claimed in claim 61, wherein the base member comprises a support member having one or more concave parts in which the light emitting elements are provided, and

wherein the support member has a plurality of reflecting surfaces in the concave parts, in which the reflecting surfaces are part of the reflection surface, and in which the light emitted from the light emitting elements is reflected by the reflecting surfaces so that the light reflected thereby is led toward openings of the concave parts.

63. The medical light irradiator as claimed in claim 62, wherein each of the reflecting surfaces in the concave parts has a cross-sectional shape which includes at least a part of one of an ellipse and a parabola.

64. The medical light irradiator as claimed in claim 62, wherein each of the light emitting elements is a bear chip, and

wherein the support member is a substrate, in which each of the reflecting surfaces forms on at least a part of each of the concave parts.

65. The medical light irradiator as claimed in claim 64, which further comprises an optical element which has one of a function for collecting the light irradiated from the openings of the concave parts and a function for making parallel the light irradiated from the openings thereof.

66. The medical light irradiator as claimed in claim 65, wherein the optical element is one of a lens having a spherical surface and a lens having a non-spherical surface.

67. The medical light irradiator as claimed in claim 66, wherein the lens is mounted on each of the openings of the concave parts, and

wherein each of the concave parts is filled up by a transparent resin.

68. The medical light irradiator as claimed in claim 64, wherein the substrate is made of one of ceramic, alumina, and metal coated with insulating material.

69. The medical light irradiator as claimed in claim 64, wherein each of the light emitting elements is positioned away from a bottom surface of the each of the concave parts formed in the substrate.

70. The medical light irradiator as claimed in claim 64, wherein the bear chip is fixed on the substrate at each of the concave parts, by wireless bonding.

71. The medical light irradiator as claimed in claim 64, wherein the bear chip is made of an integrated wafer.

72. The medical light irradiator as claimed in claim 64, wherein each of the reflecting surfaces is formed on at least a part of each of the concave parts of the substrate, in which the each of the reflecting surfaces has a cross-sectional shape which includes at least a part of one of an ellipse and a parabola.

73. The medical light irradiator as claimed in claim 64, wherein each of the reflecting surfaces is a reflective coating formed on the substrate corresponding to each of the concave parts.

74. The medical light irradiator as claimed in claim 61, wherein each of the light emitting elements is a bear chip,

wherein the base member comprises a support member which has:

a substrate on which the light emitting elements are provided; and

a reflecting member which has a penetration hole an inner surface of which surrounds the light emitting elements arranged on the substrate, in which the reflecting member is provided on the substrate, and

wherein a reflecting surface is formed on at least a part of an inner surface of the reflecting member, in which the reflecting surface is part of the reflection surface.

75. The medical light irradiator as claimed in claim 74, which further comprises an optical element which has one of a function for collecting the light irradiated from the penetration hole of the reflecting member and a function for making parallel the light irradiated from the penetration hole thereof.

76. The medical light irradiator as claimed in claim 75, wherein the optical element is one of a lens having a spherical surface and a lens having a non-spherical surface.

77. The medical light irradiator as claimed in claim 76, wherein the lens is mounted on an opening of the penetration hole of the reflecting member, and

wherein the penetration hole is filled up by a transparent resin.

78. The medical light irradiator as claimed in claim 74, wherein the substrate is made of one of ceramic, alumina, and metal coated with insulating material.

79. The medical light irradiator as claimed in claim 74, wherein the light emitting elements are positioned away from the substrate.

80. The medical light irradiator as claimed in claim 74, wherein the bear chip is fixed on the substrate, by wireless bonding.

81. The medical light irradiator as claimed in claim 74, wherein the bear chip is made of an integrated wafer.

82. The medical light irradiator as claimed in claim 74, wherein the reflecting surface being formed on at least the part of the inner surface of the reflecting member has a cross-sectional shape which includes at least a part of one of an ellipse and a parabola.

83. The medical light irradiator as claimed in claim 74, wherein the reflecting surface is a reflective coating formed on the inner surface of the penetration hole of the reflecting member.

84. The medical light irradiator as claimed in claim 61, which further comprises:

a holding part which is held by hand; and

an extension part which extends from the holding part,

wherein one of a tip part of the extension part and a part near the tip part, has an opening, in which the light emitting elements are provided in a space connecting to the opening.

85. The medical light irradiator as claimed in claim 84, wherein one of a light which is collected and a parallel light, is irradiated from the opening.

86. The medical light irradiator as claimed in claim 85, wherein the light emitting elements emit the light generally in a direction in which the extension part extends, and

wherein the reflection surface is provided inside the space, in which the reflection surface reflects the light emitted from the light emitting elements in a direction different from the direction in which the extension part extends.

87. The medical light irradiator as claimed in claim 86, wherein the reflection surface has a cross-sectional shape which includes at least a part of one of an ellipse and a parabola.

88. The medical light irradiator as claimed in claim 86, wherein the reflection surface is a flat surface, and

wherein an angle formed by the flat surface with respect to the direction in which the extension part extends and with respect to the holding part, is between 45 degrees and 135 degrees.

89. The medical light irradiator as claimed in claim 61, which further comprises a light guide,

wherein the light emitting elements are provided in opposition to an edge surface of incidence of the light guide.

90. The medical light irradiator as claimed in claim 89, wherein one of a light which is collected and a parallel light, is irradiated from the light emitting elements toward the edge surface of incidence of the light guide.

91. The medical light irradiator as claimed in claim 61, which further comprises a cooler for cooling the light emitting elements.