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1. (WO2018102275) FIRST METATARSAL HEMI-ARTHROPLASTY IMPLANT
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Pub. No.: WO/2018/102275 International Application No.: PCT/US2017/063361
Publication Date: 07.06.2018 International Filing Date: 28.11.2017
IPC:
A61F 2/42 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2
Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02
Prostheses implantable into the body
30
Joints
42
for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
Applicants:
MARKS, Richard [US/US]; US
Inventors:
MARKS, Richard; US
YUSUFBEKOV, Rachelle; US
Agent:
ALLISON, Richard; US
Priority Data:
62/428,85801.12.2016US
Title (EN) FIRST METATARSAL HEMI-ARTHROPLASTY IMPLANT
(FR) IMPLANT D'HÉMI-ARTHROPLASTIE DU PREMIER MÉTATARSIEN
Abstract:
(EN) A first or lesser metatarsal hemi-arthroplasty implant and system for performing a hemi-arthroplasty of the first or lesser metatarsal phalangeal joint is described. The implant preferably includes a concave head and a proximal stem wherein the proximal stem may include one or more fins thereon and one or more peripherally spaced spike members to limit the rotational movement of the implant once it is inserted. A pair of notched members are provided along the periphery of the implant to assist in the removal of the implant in the event of surgical failure. An implant template is provided that includes a central opening, with spaced holes and an etched surface to facilitate the alignment and positioning of the implant.
(FR) La présente invention porte sur un implant d'hémi-arthroplastie du premier métatarsien, ou métatarsien inférieur, et sur un système permettant de réaliser une hémi-arthroplastie de l'articulation entre la phalange et le premier métatarsien ou métatarsien inférieur. L'implant comprend, de préférence, une tête concave et une tige proximale, la tige proximale pouvant comprendre une ou plusieurs ailettes sur cette dernière et un ou plusieurs éléments de pointe espacés de manière périphérique pour limiter le mouvement de rotation de l'implant une fois qu'il est inséré. Une paire d'éléments à encoche est disposée le long de la périphérie de l'implant pour aider au retrait de l'implant en cas de défaillance chirurgicale. La présente invention porte sur un gabarit d'implant qui comprend une ouverture centrale, comportant des trous espacés et une surface gravée pour faciliter l'alignement et le positionnement de l'implant.
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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)