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1. WO2013154686 - SURGICAL DRILL BITS

Publication Number WO/2013/154686
Publication Date 17.10.2013
International Application No. PCT/US2013/027747
International Filing Date 26.02.2013
IPC
A61B 17/16 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
16Osteoclasts; Drills or chisels for bones; Trepans
B23B 51/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
51Tools for drilling machines
02Twist drills
CPC
A61B 17/1615
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
16Bone cutting, breaking or removal means other than saws, e.g.; Osteoclasts; Drills or chisels for bones; Trepans
1613Component parts
1615Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
A61B 17/1617
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
16Bone cutting, breaking or removal means other than saws, e.g.; Osteoclasts; Drills or chisels for bones; Trepans
1613Component parts
1615Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
1617with mobile or detachable parts
Applicants
  • DEPUY SYNTHES PRODUCTS, LLC [US]/[US] (CA, US)
  • SYNTHES GMBH [CH]/[CH] (AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IS, IT, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, ZA, ZM, ZW)
Inventors
  • SCHOUTENS, Robert, J.
Agents
  • BAILEY, David R.
Priority Data
61/623,21812.04.2012US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SURGICAL DRILL BITS
(FR) TRÉPANS CHIRURGICAUX
Abstract
(EN)
A surgical drill bit (10) can include a body portion (30) that defines a central axis (C) that extends along a first direction. The body portion can be separated along the first direction into a distal cutting segment (70), and a guiding segment (74). The body portion can include a helical flute (78) that winds about the central axis. The helical flute can define a first outer profile along the cutting segment and a second outer profile along the guiding segment, the first outer profile has a first leading edge (90) and a first bearing surface (98) and the second outer profile has a second leading edge (120) and a second bearing surface (128. The first leading edge can be configured to cut into bone and can be spaced from the central axis by a first length (LL1). The second leading edge can be spaced from the central axis by a second length (LL2) that is less than the first length.
(FR)
L'invention concerne un trépan chirurgical (10) qui peut comprendre une partie de corps (30) qui définit un axe central (C) qui s'étend dans une première direction. La partie de corps peut être séparée le long de la première direction en un segment de coupe (70) distal et un segment de guidage (74). La partie de corps peut comprendre une goujure hélicoïdale (78) qui s'enroule autour de l'axe central. La goujure hélicoïdale peut définir un premier profil externe le long du segment de coupe et un deuxième profil externe le long du segment de guidage, le premier profil externe ayant un premier bord d'attaque (90) et une première surface d'appui (98) et le deuxième profil externe ayant un deuxième bord d'attaque (120) et une deuxième surface d'appui (128). Le premier bord d'attaque peut être conçu pour couper dans l'os et peut être espacé de l'axe central d'une première longueur (LL1). Le deuxième bord d'attaque peut être espacé de l'axe central d'une deuxième longueur (LL2) qui est inférieure à la première longueur.
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