Invention Grant
- Patent Title: Dental abutment screw extractor
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Application No.: US15500467Application Date: 2015-08-11
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Publication No.: US10537410B2Publication Date: 2020-01-21
- Inventor: Steve J. Kukunas , Ashley Smoots , Hannah M. Smith , Paul Kukunas , Fanying Sun , Tyler Hughes
- Applicant: University of Pittsburgh—Of the Commonwealth System of Higher Education
- Applicant Address: US PA Pittsburgh
- Assignee: University of Pittsburgh—of the Commonwealth System of Higher Education
- Current Assignee: University of Pittsburgh—of the Commonwealth System of Higher Education
- Current Assignee Address: US PA Pittsburgh
- Agency: Klarquist Sparkman, LLP
- International Application: PCT/US2015/044613 WO 20150811
- International Announcement: WO2016/025455 WO 20160218
- Main IPC: A61C8/00
- IPC: A61C8/00 ; A61B17/92 ; A61F7/00 ; A61B17/00 ; A61C3/16

Abstract:
Described herein are systems and methods for extracting a broken fragment of a dental abutment screw from a dental implant. One system includes an extractor tool having a tubular outer body and a conductor positioned within the tubular outer body, and an applicator that receives and end of the extractor tool and also includes a heating element that converts electrical energy into heat that is conducted to the extractor tool to melt a thermoplastic adhesive in a cavity at the distal end of the extractor tool, such that the melted thermoplastic adhesive can conform to and engage with a broken fragment of a dental abutment screw within a dental implant when the adhesive cools. The extractor tool can then be rotated to unscrew the broken fragment from the dental implant.
Public/Granted literature
- US20170209242A1 DENTAL ABUTMENT SCREW EXTRACTOR Public/Granted day:2017-07-27
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