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1. (WO2014205411) ENDODONTIC INSTRUMENTS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2014/205411 International Application No.: PCT/US2014/043515
Publication Date: 24.12.2014 International Filing Date: 20.06.2014
IPC:
A61C 5/02 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
C
DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
5
Filling or capping teeth
02
Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
Applicants: DENTSPLY INTERNATIONAL INC.[US/US]; 570 West College Avenue York, PA 17401-3880, US
Inventors: SHOTTON, Vincent; US
AMMON, Dan; US
Agent: ZDURNE, David; Dentsply International Inc. 570 West College Avenue York, PA 17401-3880, US
Priority Data:
61/837,31220.06.2013US
Title (EN) ENDODONTIC INSTRUMENTS
(FR) INSTRUMENTS ENDODONTIQUES
Abstract:
(EN) A rotatable endodontic file for cleaning/shaping a tooth root canal, comprising: an elongated shaft having a proximal end portion, a distal end and a tapered working portion having a rotational axis, the working portion extending from said proximal portion to said distal end; the external surface of said shaft working portion having a plurality of at least two spirals, a parallelogram-shaped cross section that has an axis of rotation that is centered such that the cross section center of mass (centroid) is located at the axis of rotation where the acute angle of the parallelogram is different along the length of the file.
(FR) L'invention concerne une lime endodontique rotative pour nettoyer/former un canal de racine de dent, comprenant : une tige allongée ayant une partie extrémité proximale, une extrémité distale et une partie de travail effilée ayant un axe de rotation, la partie de travail s'étendant de ladite partie proximale à ladite extrémité distale; la surface externe de ladite partie de travail de tige ayant une pluralité d'au moins deux spirales et d'une section transversale en forme de parallélogramme qui a un axe de rotation qui est centré de telle sorte que le centre transversal de masse (centroïde) est placé au niveau de l'axe de rotation, l'angle aigu du parallélogramme étant différent le long de la lime.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)