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1. (WO2019005683) IRRIGATED CATHETER WITH RETROGRADE FLOW
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Pub. No.: WO/2019/005683 International Application No.: PCT/US2018/039323
Publication Date: 03.01.2019 International Filing Date: 25.06.2018
IPC:
A61B 18/14 (2006.01) ,A61M 1/00 (2006.01) ,A61M 3/02 (2006.01) ,A61B 18/00 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
18
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
04
by heating
12
by passing a current through the tissue to be heated, e.g. high-frequency current
14
Probes or electrodes therefor
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
1
Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
3
Medical syringes, e.g. enemata; Irrigators
02
Enemata; Irrigators
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
18
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
Applicants:
ST. JUDE MEDICAL, CARDIOLOGY DIVISION, INC. [US/US]; 177 East County Road B St. Paul, Minnesota 55117, US
Inventors:
MANGUAL-SOTO, Jan O.; IT
MARKOVITZ, Craig; DE
JIANG, Chunlan; US
RICHER, Louis-Philippe; CA
Agent:
LAVENDER, Mark; US
RODGERS, James G.; US
ECKART, Carolyn; US
ECKERT, Irene; US
STORVICK, Kristofor; US
FELDER, Scott A.; US
HUNNICUTT, Rachel K.; US
Priority Data:
62/525,02826.06.2017US
Title (EN) IRRIGATED CATHETER WITH RETROGRADE FLOW
(FR) CATHÉTER IRRIGUÉ À FLUX RÉTROGRADE
Abstract:
(EN) An irrigated ablation system with retrograde flow includes one or more medical devices (e.g., an ablation catheter and sheath) encompassing an irrigation lumen that terminates distally at an irrigation orifice and a drainage lumen that terminates distally at a drainage orifice. One or more pumps are coupled to the irrigation lumen and to the drainage lumen to deliver irrigant through the irrigation lumen and to extract fluid through the at least one drainage lumen. For example, a peristaltic pump can be used to simultaneously deliver irrigant through the irrigation lumen and to extract an equivalent volume of fluid through the drainage lumen. Alternatively, a feedback controller can be used to monitor parameters, such as impedance, pressure, ablation time, and/or irrigant volume, and control based thereon the rate at which the pump extracts fluid.
(FR) L'invention concerne un système d'ablation irrigué à flux rétrograde comprenant un ou plusieurs dispositifs médicaux (par exemple, un cathéter d'ablation et une gaine) entourant une lumière d'irrigation qui se termine de manière distale au niveau d'un orifice d'irrigation et une lumière de drainage qui se termine de manière distale au niveau d'un orifice de drainage. Une ou plusieurs pompes sont couplées à la lumière d'irrigation et à la lumière de drainage pour administrer un fluide d'irrigation à travers la lumière d'irrigation et pour extraire un fluide à travers l'au moins une lumière de drainage. Par exemple, une pompe péristaltique peut être utilisée pour distribuer simultanément un fluide d'irrigation à travers la lumière d'irrigation et pour extraire un volume équivalent de fluide à travers la lumière de drainage. En variante, un dispositif de commande de retour d'information peut être utilisé pour surveiller des paramètres, tels que l'impédance, la pression, le temps d'ablation et/ou le volume d'irrigation, et la commande sur la base de la vitesse à laquelle la pompe extrait le fluide.
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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)