Patent SG-11201500003Q-A (SG)
Title: Electrosurgical resection instrument
Inventor: HANCOCK CHRISTOPHER PAUL
IPC: A61B18/18
Filed: 2013-06-25
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 9 January 2014 (09.01.2014) WIPOIPCT (10) International Publication Number WO 2014/006369 A1 (51) International Patent Classification: A61B 18/18 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/GB2013/051672 25 June 2013 (25.06.2013) English English (30) Priority Data: 1211776.8 3 July 2012 (03.07.2012) GB (71) Applicant: CREO MEDICAL LIMITED [GB/GB]; Riverside Court, Beaufort Park, Chepstow, Monmouthshire NP16 5UH (GB). (72) Inventors: HANCOCK, Christopher Paul; Goldney House, The Avenue, Combe Down, Bath, Bath and North East Somerset BA2 5EH (GB). MORRIS, Steven; 7 Geor­ gian House, Duke Street, Bath, Bath and North East Somerset BA2 4AQ (GB). FITZSIMMONS, Duncan; 35 Fournier Street, London, Greater London El 6QE (GB). SAUNDERS, Brian; 131 The Drive, Rickmansworth, Hertfordshire WD3 4DR (GB). PACEY, Andrew; 26 Coventry Close, Stevenage, Hertfordshire SGI 4PB (GB). WHITE, Malcolm; c/o Creo Medical Limited, Riverside Court, Beaufort Park, Chepstow, Monmouthshire NP16 5UH (GB). (74) Agents: JOHNSON, Richard et al.; Mewburn Ellis LLP, 33 Gutter Lane, London, Greater London EC2V 8AS (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available)'. 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, 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, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available)'. ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) (54) Title: ELECTROSURGICAL RESECTION INSTRUMENT o CJ O £ 106 142 11 4 i 1 1 8 108 105 V L 102 0\ m o o 136 107„Z 7 120 ^9 116 -|I 4 FIG. 9 (57) Abstract: An electrosurgical resection instrument (100) for applying to biological tissue radio frequency electromagnetic energy has protective a hull (120) comprising shaped piece a of dielectric material mounted cover to an underside of an instrument tip (104) of the instrument (100). The protective hull (120) acts as a shield to protect tissue that may lie under the instrument tip (104) from damage during treatment. The instrument (100) may be particularly useful in procedures performed in gastrointestinal tract, where a bowel perforation is a concern, or in the pancreas, where damage to the portal vein or the pancreatic duct may occur when a tumour or other abnormality being resected, dissected is or removed.