IP Library Granted Patent US 12,011,325
Granted Patent B2
US 12,011,325 · App. 16/834,424 · Granted Jun 18, 2024

System and method for treatment of periodontic pockets using disposable inserts

Inventors: Charles Kerbage (Arlington, MA); Stephen Couitt (Auburndale, MA); Roni Cantor-Balan (Natick, MA)
Assignee: Convergent Dental, Inc.
A61C1/0046G02B3/06H01S3/2232
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Quick Facts
Patent No.
US 12,011,325
App. No.
16/834,424
Granted
Jun 18, 2024
Kind
B2
Abstract

A system and method for dental or surgical treatment of oral tissue, the system including a laser source; a hand piece; and a device for directing radiation emitted by the laser source to a treatment area (e.g., an oral treatment area), the device further including a disposable tube attachable to the hand piece and an optical element (e.g., a substantially cylindrical lens) mounted within the disposable tube and adapted to modify a profile and/or a direction of the radiation emitted from the tube.

Claims (34)

1. A device for directing radiation emitted by a laser source through a hand piece to an oral treatment area, the device comprising:

a disposable tube attachable to an outlet of the hand piece and comprising at least one opening along a sidewall of the tube for directing radiation radially; and

a lens, disposed completely within the tube, for modifying at least one of a profile or a direction of radiation emitted from the tube, wherein the radiation is emitted from the laser source having a single wavelength and at a single power level, and wherein the lens comprises a first optical material having a first refractive index (n 1 ) and a second optical material having a second refractive index (n 2 ), such that the first refractive index (n 1 ) and the second refractive index (n 2 ) permit transmission of the radiation through the opening along the sidewall and through a distal end of the disposable tube.

2. The device of claim 1 , wherein the lens comprises a cylindrical lens.

3. The device of claim 1 , wherein the lens comprises a lens fabricated from zinc sulfide (ZnS), gallium lanthanum sulfide (GLS) glass, or chalcogenide glass.

4. The device of claim 1 , wherein the lens comprises a convex surface.

5. The device of claim 4 , wherein the convex surface causes the radiation to converge towards a focal point from the convex surface and to diverge radially at a fan angle from the focal point.

6. The device of claim 5 , wherein the fan angle is up to 45 degrees.

7. The device of claim 1 , wherein the lens comprises a concave surface.

8. The device of claim 7 , wherein the concave surface causes the radiation to diverge radially at a fan angle from the concave surface.

9. The device of claim 1 , wherein the disposable tube comprises an opening at a distal end for emitting the radiation from the tube.

10. The device of claim 1 , wherein the disposable tube further comprises at least one opening at a distal end of the tube for directing radiation axially.

11. The device of claim 1 , wherein the lens comprises at least one reflective surface.

12. The device of claim 11 , wherein the reflective surface comprises a planar surface.

13. The device of claim 11 , wherein the at least one reflective surface comprises a substrate coated with a metallic material.

14. The device of claim 13 , wherein the metallic material is selected from the group consisting of gold, silver, copper, a reflective material for reflecting a beam of radiation having a wavelength within the infrared spectrum, and combinations thereof.

15. A system for dental or surgical treatment of oral tissue, the system comprising:

a laser source;

a hand piece operatively coupled to the laser source; and

a device for directing radiation emitted by the laser source through the hand piece to an oral treatment area, the device comprising:

a disposable tube attachable to the hand piece and comprising at least one opening along a sidewall of the tube for directing radiation radially; and

a lens, disposed completely within the tube, for modifying at least one of a profile or a direction of the radiation emitted from the tube, wherein the radiation is emitted from the laser source having a single wavelength and at a single power level, and wherein the lens comprises a first optical material having a first refractive index (n 1 ) and a second optical material having a second refractive index (n 2 ), such that the first refractive index (n 1 ) and the second refractive index (n 2 ) permit transmission of the radiation through the opening along the sidewall and through a distal end of the disposable tube.

16. A method for dental or surgical treatment of oral tissue, the method comprising:

emitting radiation, by a laser source, at a single wavelength and single power level along a central axis; and

directing radiation emitted by the laser source, by a device, through a hand piece to an oral treatment area, the device comprising:

a disposable tube attachable to the hand piece and comprising at least one opening along a sidewall of the tube for directing radiation radially; and

a lens disposed completely within the tube, wherein the lens comprises a first optical material having a first refractive index (n 1 ) and a second optical material having a second refractive index (n 2 ), such that the first refractive index (n 1 ) and the second refractive index (n 2 ) permit transmission of the radiation through the opening along the sidewall and through a distal end of the disposable tube.

17. The device of claim 1 , wherein the lens comprises a reflective surface and is adapted to cause the radiation to converge towards a focal point located within the tube and to diverge before exiting the tube.

18. The system of claim 15 , wherein the lens comprises a reflective surface and is adapted to cause the radiation to converge towards a focal point located within the tube and to diverge before exiting the tube.

19. A device for directing radiation emitted by a laser source through a hand piece to an oral treatment area, the device comprising:

a disposable tube attachable to an outlet of the hand piece and comprising at least one opening along a sidewall of the tube for directing radiation radially; and

a lens, disposed completely within the tube, for modifying at least one of a profile or a direction of radiation emitted from the tube, wherein the radiation is emitted from the laser source having a single wavelength and at a single power level, and wherein the lens comprises a first optical material having a first refractive index (n 1 ) and a second optical material having a second refractive index (n 2 ), such that the first refractive index (n 1 ) is greater than the second refractive index (n 2 ).

20. The device of claim 1 , wherein the first optical material comprises a first triangular prism and the second optical material comprises a second triangular prism.

21. The system of claim 15 , wherein the first optical material comprises a first triangular prism and the second optical material comprises a second triangular prism.

Assignments (4)
TERMINATION AND RELEASE OF IP SECURITY INTEREST Recorded Jun 16, 2025
From: TRINITY CAPITAL INC., AS COLLATERAL AGENT
To: CONVERGENT DENTAL, INC.
Reel/Frame 071648/0211 →
SECURITY INTEREST Recorded Jun 13, 2025
From: CONVERGENT DENTAL, INC.
To: SYMBIOTIC CAPITAL AGENCY LLC, AS COLLATERAL AGENT
Reel/Frame 071413/0530 →
SECURITY INTEREST Recorded Apr 24, 2023
From: CONVERGENT DENTAL, INC.
To: TRINITY CAPITAL INC., AS COLLATERAL AGENT
Reel/Frame 064934/0134 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 21, 2020
From: KERBAGE, CHARLES; COUITT, STEPHEN; CANTOR-BALAN, RONI
To: CONVERGENT DENTAL, INC.
Reel/Frame 053832/0434 →
Continuity (2)
Provisional Application 62838044 · Apr 24, 2019
Related Publication 20200345453A1 · Nov 5, 2020