Dental flossing device and method therefor

• US 5,573,020 A
• Filed: 07/16/1993
• Issued: 11/12/1996
• Est. Priority Date: 01/07/1993
• Status: Expired due to Term

• Current Assignee: Dane Robinson
• Original Assignee: Dane Robinson
• Inventors: Robinson, Dane Q.
• Primary Examiner(s): Manahan, Todd E.
• Application Number:
  US08/093,188
• Time in Patent Office: 1,215 Days
• Field of Search: 132/321, 132/322, 132/323, 132/324, 433/82, 433/118, 433/142, 433/143, 601/139, 601/141, 601/142, 601/162
• US Class Current: 132/322
• CPC Class Codes: A61C 15/047 power-driven
• CPC Class Codes: A61C 17/34 driven by electric motor
• CPC Class Codes: A61C 17/3463 Translation along the axis perpendicular to the plane defined by the bristle holder
• CPC Class Codes: A61C 2204/002 using batteries

Abstract

An electro-mechanical dental flossing device is disclosed for flossing the area between a portion of the tooth and the gum tissue. The device comprises an elongated member coupled to a motor source to effect oscillation of the elongated member. The elongated member includes an intermediate portion and a tip which are capable of being received between the tooth and the gum tissue.

Claims

1. Apparatus for cleaning the surfaces of teeth underlying the inter-dental papilla portion of the gums in a human mouth by effecting a flossing action, comprising:

a flexible, resilient, non-abrasive elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth without traversing any contact areas between the teeth from at least the front of the mouth and being capable of effecting the flossing action therebetween; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent inter-dental papilla portion of the gum for effecting the flossing action therein; and

a motive source; and

a coupling connecting the base portion of the elongated member to the motive source to effect motion of the elongated member.

2. The apparatus of claim 1, wherein both said intermediate portion and said tip are capable of being received in the sulcus between a tooth and the adjacent interdental papilla portion of the gum for effecting the flossing action therein.

3. The apparatus of claim 1 wherein said coupling effects oscillation of the elongated member.

4. The apparatus of claim 1, wherein said intermediate portion has a generally circular cross-section and a diameter no greater than approximately 0.025 inch.

5. The apparatus of claim 1, wherein said intermediate portion has a generally elliptical cross-section with a minor diameter no greater than approximately 0.025 inch.

6. The apparatus of claim 1, wherein said motive source comprises a motor.

7. The apparatus of claim 6, wherein said motive source comprises a battery driven motor.

8. The apparatus of claim 1, wherein said coupling connecting the elongated member to the motive source comprises an eccentric.

9. The apparatus of claim 1 wherein said intermediate portion has a cross-section circumscribed by a top, a bottom, and respective sides, and wherein said bottom converges to a point.

10. The apparatus of claim 1, wherein at least a portion of one of said intermediate portion and said tip are impregnated with a diffusant.

11. The apparatus of claim 1, wherein at least a portion of one of said intermediate portion and said tip are impregnated with a medicament.

12. The apparatus of claim 11, wherein said medicament is chosen from the group consisting of fluoride, fluoride releases, germicides, and anti-bacterial releases.

13. The apparatus of claim 1, wherein at least a portion of one of said intermediate portion and said tip are impregnated with a flavor.

14. The apparatus of claim 1, wherein said intermediate portion has a cross-section circumscribed by a top, a bottom, and respective sides, with a maximum transverse distance between said sides no greater than approximately 0.025 inch.

15. The apparatus of claim 1, wherein said coupling is detachably connected to said elongated member.

16. The apparatus of claim 15, wherein said coupling includes an aperture configured to receive said elongated member base portion.

17. Apparatus for cleaning the surfaces of teeth underlying the inter-dental papilla portion of the gums in a human mouth by effecting a flossing action, comprising:

a flexible, resilient elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth without traversing any contact areas between the teeth from at least the front of the mouth and being capable of effecting the flossing action therebetween; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent inter-dental papilla portion of the gum for effecting the flossing action therein; and

a motive source; and

a coupling connecting the base portion of the elongated member to the motive source to effect motion of the elongated member;

said coupling comprising means for effecting a motion of the elongated member having a rotational component.

18. Apparatus for cleaning the surfaces of teeth underlying the inter-dental papilla portion of the gums in a human mouth by effecting a flossing action, comprising:

a flexible, resilient elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth without traversing any contact areas between the teeth from at least the front of the mouth and being capable of effecting the flossing action therebetween; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent inter-dental papilla portion of the gum for effecting the flossing action therein; and

a motor, said motor including a shaft with an eccentric member mounted thereon;

a coupling connecting the base portion of the elongated member to the motor to effect motion of the elongated member;

said coupling comprising a translation member connected at a first end to said elongated member, and an aperture in the vicinity of the opposing end;

the translation member being pivotally mounted and disposed to receive the eccentric member in said aperture, such that rotation of said eccentric member causes repetitive translation of said first end to effect oscillation of said elongated member.

19. The apparatus of claim 18, wherein said translation member first end includes means for releasably receiving the base portion of said elongated member.

20. The apparatus of claim 19, wherein said means for releasably receiving the base portion of said elongated member comprises an aperture configured to receive said elongated member base portion.

21. The apparatus of claim 20, wherein said intermediate portion has a generally circular cross-section.

22. The apparatus of claim 20, wherein said intermediate portion has a generally elliptical cross-section.

23. The apparatus of claim 18, wherein said intermediate portion has a cross-section circumscribed by a top, a bottom, and respective sides, and at least said sides are arcuate.

24. The apparatus of claim 23, wherein said arcuate sides are each inwardly directed concave.

25. The apparatus of claim 24, wherein said intermediate portion cross-section has a maximum transverse distance between corresponding points on said sides no greater than approximately 0.025 inch.

26. The apparatus of claim 23, wherein said bottom converges to a point.

27. Apparatus for cleaning the surfaces of teeth underlying the interdental papilla portion of the gums in a human mouth, comprising:

a flexible, resilient elongated member having a conduit;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth without traversing any contact areas between the teeth from at least the front of the mouth; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent interdental papilla portion of the gum;

a motive source;

a coupling connecting the base portion of the elongated member to the motive source to effect motion of the elongated member;

a fluid reservoir communicating with said elongated member conduit; and

a pump disposed to propel fluid from said reservoir through said conduit.

28. The apparatus of claim 27 wherein said coupling is detachably connected to said elongated member.

29. The apparatus of claim 27, wherein said fluid reservoir is removably coupled to said elongated member conduit.

30. The apparatus of claim 27, wherein said motive source, coupling, pump and reservoir are contained within a common casing.

31. The apparatus of claim 27, wherein said conduit comprises an axial passage through said elongated member communicating with at least one orifice in the surface of said elongated member.

32. The apparatus of claim 27, wherein said intermediate portion has a cross-section circumscribed by a top, a bottom, and respective sides, and said conduit comprises an axial passage through said elongated member communicating with at least one orifice in a side of said elongated member.

33. The apparatus of claim 27, wherein said coupling includes a passage which receives said elongated member and communicates with said elongated member conduit and said reservoir.

34. The apparatus of claim 27, wherein said coupling passage is configured to releasably receive said elongated member base.

35. The apparatus of claim 27, wherein said pump comprises an eccentric element driven by said motive source.

36. The apparatus of claim 27, wherein said motive source, coupling, pump and reservoir are contained within a common casing.

37. The apparatus of claim 36, wherein said reservoir communicates with said elongated member conduit through an elastic tube, and said eccentric element is disposed to cooperate with said tube to create a flow of fluid therethrough.

38. Apparatus for interacting with the surfaces of teeth underlying the inter-dental papilla portion of the gums in a human mouth to effect a flossing action, comprising:

a housing;

a flexible, resilient elongated, non-abrasive member, extending outwardly from one end of said housing;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth from at least the front of the mouth and being capable of effecting the flossing action therebetween; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent inter-dental papilla portion of the gum for effecting the flossing action therein;

a motor disposed within said housing; and

a coupling connecting the elongated member to the motor to effect motion of the elongated member.

39. The apparatus of claim 38, wherein said coupling effects oscillation of the elongated member.

40. Apparatus for interacting with the surfaces of teeth underlying the interdental papilla portion of the gums in a human mouth, comprising:

a housing;

a flexible, resilient elongated member, extending outwardly from one end of said housing;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth from at least the front of the mouth; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacently interdental papilla portion of the gum;

a motor disposed within said housing, said motor includes a shaft with at least a first eccentric member mounted thereon; and

a coupling connecting the elongated member to the motor to effect motion of the elongated member, said coupling comprising;

a translation member connected at a first end to said elongated member, and an axial aperture on the opposing end;

the translation member being pivotally mounted in said housing and disposed to receive the eccentric member in said aperture, such that rotation of said eccentric member causes repetitive translation of said first end to effect oscillation of said elongated member.

41. The apparatus of claim 40, wherein said translation member first end includes means for releasably receiving the base portion of said elongated member.

42. The apparatus of claim 40, wherein said translation member first end includes an axial bore configured to receive said elongated member base portion.

43. Apparatus for interacting with the surfaces of teeth underlying the interdental papilla portion of the gums in a human mouth, comprising:

a housing;

a flexible, resilient elongated member, extending outwardly from one end of said housing and having a conduit communicating with at least one orifice in the surface of said elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth from at least the front of the mouth; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent interdental papilla portion of the gum;

a motor disposed within said housing and having a shaft with at least a first eccentric member mounted thereon;

a coupling connecting the elongated member to the motor to effect motion of the elongated member and comprising a translation member connected at a first end to said elongated member, and an axial aperture on the opposing end;

the translation member being pivotally mounted in said housing and disposed to receive the eccentric member in said aperture, such that rotation of said eccentric member causes repetitive translation of said first end to effect oscillation of said elongated member; and

a fluid reservoir communicating with said elongated member conduit; and

a pump disposed to propel fluid from said reservoir through said conduit.

44. The apparatus of claim 43, wherein said conduit comprises an axial passage through said elongated member.

45. The apparatus of claim 43, wherein said fluid reservoir is releasably coupled to said pump.

46. The apparatus of claim 43, wherein said fluid reservoir is disposed within said housing.

47. The apparatus of claim 46, wherein said fluid reservoir comprises a disposable container prefilled with fluid.

48. The apparatus of claim 43, wherein said intermediate portion has a cross-section circumscribed by a top, a bottom, and respective sides, and said conduit comprises an axial passage through said elongated member communicating with at least one orifice in the surface of said elongated member.

49. The apparatus of claim 43, wherein said coupling includes a passage which receives said elongated member.

50. The apparatus of claim 49, wherein said coupling passage communicates with both said elongated member conduit and said reservoir.

51. The apparatus of claim 49, wherein said coupling passage releasably receives said elongated member base.

52. The apparatus of claim 43, wherein said pump comprises a second eccentric element driven by said motor.

53. The apparatus of claim 52, wherein said reservoir communicates with said elongated member conduit through an elastic tube and said second eccentric element is disposed to cooperate with said tube to create a flow of fluid therethrough.

54. Apparatus for interacting with the surfaces of teeth underlying the interdental papilla portion of the gums in a human mouth, comprising:

a housing;

a flexible, resilient elongated member, extending outwardly from one end of said housing and having a conduit communicating with at least one orifice in the surface of said elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth from at least the front of the mouth; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent interdental papilla portion of the gum;

a motor disposed within said housing;

a coupling connecting the elongated member to the motor to effect motion of the elongated member;

a fluid reservoir communicating with said elongated member conduit; and

a pump disposed to propel fluid from said reservoir through said conduit.

55. The apparatus of claim 54, wherein:

said reservoir communicates with said elongated member conduit through an elastic tube; and

said pump comprises an eccentric element driven by said motor, disposed to cooperate with said tube to create a flow of fluid therethrough.

56. Apparatus for cleaning the surfaces of teeth underlying the inter-dental papilla portion of the gums in a human mouth by effecting a flossing action, comprising:

a flexible, resilient, non-abrasive elongated member;

said elongated member including a base portion, an elongated intermediate portion of predetermined cross-sectional configuration, and a tip;

said intermediate portion and said tip being capable of being received between adjacent teeth without traversing any contact areas between the teeth from at least the front of the mouth and being capable of effecting the flossing action therebetween; and

at least the intermediate portion being capable of being received in the sulcus between a tooth and the adjacent inter-dental papilla portion of the gum for effecting the flossing action therebetween;

a handle;

a coupling releasably connecting the base portion of the elongated member to the handle; and

a motive source disposed within said handle;

said coupling connecting the base portion of the elongated member to the motive source to effect motion of the elongated member.