The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 30, 2022

Filed:

Jun. 28, 2018
Applicant:

Dentsply Sirona Inc., York, PA (US);

Inventors:

Stig Hansson, Askim, SE;

Anders Halldin, Mölndal, SE;

Assignee:

DENTSPLY SIRONA INC., York, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 8/00 (2006.01);
U.S. Cl.
CPC ...
A61C 8/0018 (2013.01); A61C 8/0025 (2013.01);
Abstract

The present invention relates to a fixture for insertion into a bore hole arranged in bone tissue, comprising a threaded leading portion and a threaded trailing portion located coronally of the leading portion, wherein the threading of the leading portion has at least one first thread spiral, wherein the threading of the trailing portion has at least one more thread spiral than the threading in the leading portion, wherein the threading of the trailing portion and the threading of the leading portion have the same or substantially the same lead, wherein the profile of at least one of the thread spirals in the trailing portion is, at least along a portion of its length, substantially the same as the profile of the outermost parts of said first thread spiral in the leading portion, and wherein the at least one thread spiral in the trailing portion having substantially the same profile as the outermost part of said first thread spiral in the leading portion is arranged to follow the spiral path of that thread spiral.


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