Patent CA-2777468-A1 (CA)
Title: System and method for identifying a landmark
Inventor: RITCHEY NICHOLAS S
IPC: A61B18/18
Filed: 2010-04-27
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property Organization "7,Ars--    111111 11111111 1 International Bureau                6%,,-gl I lap (43) International Publication Date    41740 (10) International Publication Number 11 November 2010 (11.11.2010)         PCT          WO 2010/129308 A3 (51) International Patent Classification:    (74) Agents: BONANTO, George, P.  et al.; FISH & A61B 18/18 (2006.01)    A61F 2/46 (2006.01)    RICHARDSON P.C., P.O. Box 1022, Minneapolis, MN A61B 17/56 (2006.01)                          55440-1022 (US). (21) International Application Number:    (81) Designated States (unless otherwise indicated, for every PCT/U52010/032634    kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, (22) International Filing Date: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, 27 April 2010 (27.04.2010) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language:                    English    HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, (26) Publication Language:               English    ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, (30) Priority Data:                           NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, 61/173,069                    27 April 2009 (27.04.2009)    US    SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, 12/547,716                    26 August 2009 (26.08.2009)    US    TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant (for all designated States except US): SMITH (84) Designated States (unless otherwise indicated, for every & NEPHEW, INC. [US/US]; 1450 Brooks Road, Mem-    kind of regional protection available): ARIPO (BW, GH, phis, Tennessee 38116 (US).                   GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, TJ, (72) Inventors; and    TM), European (AT, BE, BG, CH, CY, CZ, DE, DK, EE, (75) Inventors/Applicants (fo- US only): RITCHEY,    ES, FI, FR, GB, GR, HR, HU, IL, IS, IT, LT, LU, LV, Nicholas S. [US/US]; 285 Cedar Post Drive, Collierville,    MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, Tennessee 38017 (US). WILHELM, Hoa La [US/US];    TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 8265 Hunters Meadow Lane, Arlington, Tennessee 38002    ML, MR, NE, SN, TD, TG). (US). GRUSIN, Nathaniel Kelley [US/US]; 1999 Brant-wood Cove, Germantown, Tennessee 38139 (US).    Published: ¨                                             with international search report (Art. 21(3)) [Continued on next pagel (54) Title: SYSTEM AND METHOD FOR IDENTIFYING A LANDMARK (57) Abstract: A field generator for use in a surgical targeting system is disclosed. The field generator includes a mounting structure including ele-\sk ments that are configured to receive components of an electromagnetic =    field generator. The elements are disposed on the mounting structure at lo-cations and orientations relative to each other. The field generator includes at least one covering formed over the mounting structure, wherein, in use, the locations and orientations of the elements relative to each other remain substantially unaltered after exposure to one or more sterilization process-es. \, ' GC 201 S a IG. 39 WO 2010/129308 A3 111111111111110 1110I 010 Ill 010 110 I 0 Ill 0111 0111 Mil before the expiration of the time limit for amending the (88) Date of publication of the international search report:  ¨  claims and to be republished in the event of receipt of 24 March 2011 amendments (Rule 48.2(h))