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1. (WO2018051228) LIMITED VARIABLE DIAMETER BONE SCREW
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Pub. No.: WO/2018/051228 International Application No.: PCT/IB2017/055494
Publication Date: 22.03.2018 International Filing Date: 12.09.2017
IPC:
A61B 17/84 (2006.01) ,A61B 17/86 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
84
Fasteners therefor
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
84
Fasteners therefor
86
Pins or screws
Applicants:
EXPANDING ORTHOPEDICS INC. [US/US]; 17 West Pontotoc, Suite 200 Memphis, Tennessee 38103, US
Inventors:
LEVY, Mark; IL
ISHAY, Eran; IL
LEVY, Ohn; IL
HLEIHIL, Jaffar; IL
Priority Data:
62/394,29914.09.2016US
Title (EN) LIMITED VARIABLE DIAMETER BONE SCREW
(FR) VIS À OS À DIAMÈTRE VARIABLE LIMITÉ
Abstract:
(EN) A bone fastener (10) includes a shank (12) that has a proximal spherical head (14) and is formed with a longitudinal bore (20). The shank (12) includes three threaded portions, a distal portion (22), a middle portion (24) and a proximal portion (26). The middle portion (24) and proximal portion (26) each include two or more expandable struts (28). The longitudinal bore (20) in the proximal portion (26) is larger in diameter than in the distal portion (22) and the longitudinal bore (20) in the spherical head (14) is larger in diameter than in the proximal portion (26) and terminates distally in the spherical head (14) as a shoulder (32). A wedge element (34) is movably disposed in the longitudinal bore (20). The wedge element (34) includes a distal shank (36) and a proximal head (38), the proximal head (38) being arranged to abut against the shoulder (32).
(FR) La présente invention concerne une fixation osseuse (10) comprenant une tige (12) qui a une tête sphérique proximale (14) et est formée avec un alésage longitudinal (20). La tige (12) comprend trois parties filetées, une partie distale (22), une partie médiane (24) et une partie proximale (26). La partie médiane (24) et la partie proximale (26) comprennent chacune deux entretoises extensibles ou plus (28). L'alésage longitudinal (20) a un diamètre plus grand dans la partie proximale (26) que dans la partie distale (22) et l'alésage longitudinal (20) a un diamètre plus grand dans la tête sphérique (14) que dans la partie proximale (26) et se termine de manière distale dans la tête sphérique (14) sous forme d'un épaulement (32). Un élément de coin (34) est disposé de façon mobile dans l'alésage longitudinal (20). L'élément de coin (34) comprend une tige distale (36) et une tête proximale (38), la tête proximale (38) étant conçue pour venir en butée contre l'épaulement (32).
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, 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, ST, 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)