Tool for use in dental implant treatments and retention element

Patent metadata

Field	Value
Publication number	US-12268573-B2
Application number	US-201917285578-A
Country	US
Kind code	B2
Filing date	Oct 14, 2019
Priority date	Oct 15, 2018
Publication date	Apr 8, 2025
Grant date	Apr 8, 2025

Abstract

A tool for use in dental implants. The tool includes a retention element held in the tool shaft via a friction fit. The retention element is adapted to grip a variety of impact drivers via a frictional fit for use in tightening procedures of a dental procedure. The tool also includes a variety of features for interaction with additional dental instruments, or that aid in cleaning and sanitization of the tool.

First claim

The invention claimed is:

1. A tool for use in dental implant treatments, the tool comprising:
a handle;
a shaft connected to the handle, the shaft comprises a mounting section on the distal end thereof, the mounting section comprising:
a cavity that is present at the distal end of the shaft and extends from a most distal end surface into, and through, the shaft such that the shaft is hollow for at least a portion of the way through the shaft, and
at least one side opening is formed in an outer surface of the distal end of the shaft and extends along the shaft; and

a retention element configured to be held inside the mounting section of the shaft and configured to hold an implant driver;
wherein:
the handle, the shaft, and the mounting section are aligned along a longitudinal direction of the tool;
the retention includes two end portions and a middle portion having an outer diameter narrower than that of the end portions, the middle motion and at least one of the end portions being hollow such that the implant driver may be received within the retention element;
the middle portion of the retention element is flexible and radially expandable such that insertion of the implant driver into the retention element pushes the narrower middle portion of the retention element outwards, and the implant driver is held inside the retention element via friction;
the shaft includes a shaft drive portion that is configured to engage and transmit torque to implant driver held by the retention element to drive the implant driver in the dental implant treatments; and
the shaft drive portion is an internal surface of the shaft distal of the retention element that is configured to engage and transmit torque to an outer surface of the implant driver at a position where the implant driver extends outside of the retention element along a longitudinal axis of the shaft.

2. The tool of claim 1 , wherein both of the end portions of the retention element are hollow.

3. The tool of claim 1 , wherein the end portions of the retention element are radially compressible and the inner cross section of the mounting section of the shaft is narrower in diameter than the end portions, such that the retention element is held in the mounting section due to friction at both of the end portions.

4. The tool of claim 3 , wherein the at least one side opening of the mounting section extends further along the shaft than a proximal end portion of the retention element when the retention element is held in the shaft.

5. The tool of claim 1 , wherein the retention element comprises one or more retention openings in an external surface of the middle potion.

6. The tool of claim 5 , wherein a number of the one or more retention openings in the retention element differs from a number of the at least one side opening in the mounting section.

7. The tool of claim 6 , wherein the retention element comprises four retention openings and the mounting section comprises three side openings.

8. The tool of claim 1 , wherein:
the handle is connected to a cap, and
the cap comprises a blind hole configured to hold an abutment or other dental instruments.

9. The tool of claim 8 , wherein a proximal circumference of the blind hole is configured to receive an implant shoulder.

10. The tool of claim 8 , wherein the cap comprises one or more channels that extend from a surface of the cap to a bottom of the blind hole.

11. The tool of claim 8 , wherein the cap is fixed to the handle by an adhesive or by laser welding.

12. The tool of claim 8 , wherein the cap comprises one or more markings that convey information to a user regarding the blind hole.

13. The tool of claim 1 , wherein the tool is shaped as a screwdriver or handle driver.

14. The tool of claim 1 , wherein the middle portion of the retention element includes a curved internal surface.

Assignees

• Straumann Holding Ag

Inventors

• Maury Damien
• Courvoisier Stéphane
• Mootien Azagen
• Dalla Torre Florian

Classifications

• B25B23/0035

  Connection means between socket or screwdriver bit and tool · CPC title

• B25B15/001

  characterised by material or shape of the tool bit · CPC title

• A61C8/0087

  Means for sterile storage or manipulation of dental implants · CPC title

• A61B17/8891

  at its periphery · CPC title

• A61C8/0089 Primary

  Implanting tools or instruments · CPC title