[특허]Deflectable catheter with straightening element

[미국특허] Deflectable catheter with straightening element 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00
출원번호	US-0371595 (1999-08-10)
발명자 / 주소	Ponzi Dean M.
출원인 / 주소	Biosense Webster, Inc.
대리인 / 주소	Christie, Parker & Hale, LLP
인용정보	피인용 횟수 : 48 인용 특허 : 12

초록 ▼

The present invention provides a deflectable catheter having a catheter body, a tip section attached at a distal end of the catheter body and a control handle attached at a proximal end of the catheter body. A puller wire, anchored at its proximal end to the control handle and at its distal end to the tip section is provided in the catheter for deflecting the tip section. Longitudinal movement of the puller wire relative to the catheter body, resulting in the deflection of the tip section, is accomplished by a suitable manipulation of the control handle. To eliminate the "residual tip curve" problem arising out of the deflection, and especially repeated deflection, of the tip section a straightening element is carried by the catheter tip section. The straightening element consists of a short section of a flexibly resilient material and may be any suitable shape. The material of the straightening element is capable of returning to its original shape after plastic deformation. A straightening element of Nitinol wire having a circular cross-section with a diameter in the range of about 0.010 inches to about 0.020 inches, and preferably a diameter of about 0.014 inches is preferred.

대표청구항 ▼

[ What is claimed is:] [1.]1. A deflectable catheter comprising:a catheter body having proximal and distal ends and at least one lumen extending therethrough;a tip section comprising proximal and distal ends and at least one lumen extending therethrough, wherein the proximal end of the tip section is fixedly attached to the distal end of the catheter body;means for deflecting the tip section; anda straightening element carried in the tip section comprising a material having shape memory.

이 특허에 인용된 특허 (12) 인용/피인용 타임라인 분석

Thompson Russell B. ; Fleischman Sidney D. ; Whayne James G. ; Swanson David K., Assemblies for creating compound curves in distal catheter regions.
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Koblish Josef V. ; Fleischman Sidney D., Catheter distal assembly with pull wires.
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Lundquist Ingemar (Pebble Beach CA) Thompson Russell B. (San Leandro CA), Catheter steering mechanism.
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Lundquist Ingemar ; Thompson Russell Blake, Catheter steering mechanism.
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Kelly Patrick A. (Kernersville NC), Esophageal dilation balloon catheter containing flexible nitinol wire.
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Imran Mir A. (Palo Alto CA), Flexible elongate device having a distal extremity with current controlled adjustable stiffness and adjustable bend loca.
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Stice James D. (Minneapolis MN), Flexible guide having two-way shape memory alloy.
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Bellman David H. (1650 Elm St. Manchester NH 03101), Method and apparatus for jewelry and small parts cleaning.
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Bennett Laurence M. (3903 Sidehill Path Austin TX 78731), Method of extracorporeal treatment using a kink resistant catheter.
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Webster ; Jr. Wilton W. (Altadena CA), Steerable catheter having puller wire with shape memory.
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Adair Edwin L. (317 Paragon Way Castle Pines Village CO 80104), Steerable sheath for use with selected removable optical catheter.
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Hemmer Chad G. (Indianapolis IN) Steen John A. (Zionsville IN) Forman Michael R. (St. Paul MN) McGrath Jonathan R. (Chanhassen MN), Steerable variable stiffness device.
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이 특허를 인용한 특허 (48) 인용/피인용 타임라인 분석

Koerner,Richard J.; Lentz,David J.; O'Donnell,Joseph A.; Salinas,Alvin B., Active system for deflecting a distal portion of a catheter into a hoop configuration.
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Ko, Michael; Tumlinson, Duane, Apparatus and method for subcutaneous electrode insertion.
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Hyde,Gregory Matthew; Juravic,Mark; Szobota,Stephanie A.; Bisson,Brad David, Apparatus and methods for heart valve repair.
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Hyde, Gregory Mathew, Apparatuses and methods for heart valve repair.
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Hyde, Gregory Mathew, Apparatuses and methods for heart valve repair.
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Hyde,Gregory Mathew, Apparatuses and methods for heart valve repair.
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Webler,William E.; Hyde,Gregory Mathew; Feezor,Christopher; Cox,Daniel L., Apparatuses and methods for heart valve repair.
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Lentz, David J.; Kovalcheck, Steven W., Articulating catheter for cryoablation with reduced diameter section.
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Zhang, Yongxing; Zhang, Yunlong; Wei, Xuan, Cardiac force sensor and methods of use.
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Dietz, Dennis R.; Franklin, Curtis J.; Loewen, John L.; Messick, David J.; Nordhausen, Craig T.; Oakley, Clyde G.; Patterson, Ryan C.; Polenske, Jim H.; Quick, Shawn D.; Todd, Daniel H.; Tolt, Thomas L.; Wilson, David W., Catheter.
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Sra,Jasbir S., Catheter apparatus for treatment of heart arrhythmia.
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Lentz, David J.; Koerner, Richard J., Catheter articulation segment with alternating cuts.
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Lentz, David J.; Koerner, Richard J., Catheter articulation segment with alternating cuts.
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Bansal, Varun; Bowers, Michael; Tegg, Troy T.; Kim, David, Catheter having an active return-to-straight mechanism.
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Dietz, Dennis R.; Latulippe, Paul N.; Messick, David J.; Nordhausen, Craig T.; Oakley, Clyde G.; Patterson, Ryan C.; Polenske, Jim H., Catheter with deflectable imaging device.
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Bielewicz, Paul A.; Denny, Richard W.; Dietz, Dennis R.; Fife, Michael J.; Huppenthal, Joseph A.; Messick, David J.; Nordhausen, Craig T.; Oakley, Clyde G.; Patterson, Ryan C.; Polenske, Jim H., Catheter with deflectable imaging device and bendable electrical conductor.
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Chambers, Jeffrey W., Catheter with flexible tip and shape retention.
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Webler, William E.; Ambat, Dwight A., Cord locking mechanism for use in small systems.
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Chow, Mina; Stramberg, Barbara; Webler, William E.; Simpson, John A.; Yambao, August R.; Asongwe, Gabriel F.; Chiu, Jessica G.; Liu, Lili; Beyerlein, Dagmar, Deflectable catheter assembly and method of making same.
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Hayzelden, Robert; Webler, William E., Deflectable catheter assembly having compression compensation mechanism.
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Romoscanu, Alexandre Ioan, Dual bend radii steering catheter.
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Chow, Mina; Ambat, Dwight A.; Chen, Jinhua; Michal, Eugene T., Dual needle delivery system.
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Chow, Mina; Ambat, Dwight A.; Cheng, Jin; Michal, Eugene, Dual needle delivery system.
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Falwell, Gary S.; MacAdam, David; Kuong, Darany, Electrophysiology loop catheter.
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Roy, Pianka; de la Rama, Alan; Velasco, Jennifer, Fixed loop deflectable electrophysiology catheters having an extended braid primary shaft coupled to the periphery of the fixed loop and methods of manufacturing therefor.
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Clark, Benjamin J.; George, William R.; Michlitsch, Kenneth J.; Sam, John Paul; Thai, Erik; Wu, Andrew, Handle assemblies for intravascular treatment devices and associated systems and methods.
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Hyde, Gregory Matthew, Heart valve catheter.
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Cox,Daniel L., Heart valve chord cutter.
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Ormsby, Theodore C.; Leung, George L.; Shen, Gwo Jenn; Chu, Peter; Law, Ming Fan, Hollow conductive coaxial cable for radio frequency based tissue ablation system.
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de la Rama, Alan; Velasco, Jennifer; Chen, Kailing, In-plane dual loop fixed diameter electrophysiology catheters and methods of manufacturing therefor.
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O'Keeffe, Daniel, Intravascular ultrasound catheter.
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Hartwick, Darrell, Medical device using beam construction and methods.
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Zhang,Yongxing; Zarembo,Paul E.; Heil, Jr.,Ronald W., Medical device with force monitoring features and method therefor.
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Sra,Jasbir S., Method and apparatus for epicardial left atrial appendage isolation in patients with atrial fibrillation.
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Mansour, Fouad, Probes for use in ophthalmic and vitreoretinal surgery.
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Ormsby, Theodore C.; Law, Ming-Fan; Leung, George L., Radio frequency-based catheter system with improved deflection and steering mechanisms.
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Ormsby,Theodore C.; Law,Ming Fan; Leung,George L., Radio-frequency based catheter system and method for ablating biological tissues.
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Ormsby, Theodore C.; Law, Ming-Fan; Leung, George L., Radio-frequency-based catheter system with improved deflection and steering mechanisms.
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Ormsby,Theodore C.; Law,Ming Fan; Leung,George L., Radio-frequency-based catheter system with improved deflection and steering mechanisms.
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Ryba,Eric, System and method for varying return pressure to control tip temperature of a cryoablation catheter.
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Koerner,Richard J.; Lentz,David J.; O'Donnell,Joseph A.; Salinas,Alvin B., System for bi-directionally controlling the cryo-tip of a cryoablation catheter.
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Ley, Gregory R.; Zhang, Yongxing, System for medical lead tunneling.
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Ley,Gregory R.; Zhang,Yongxing, System for medical lead tunneling.
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Webler, William E.; Cox, Daniel L.; Newhauser, Richard, Telescoping apparatus for delivering and adjusting a medical device in a vessel.
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Webler, William E.; Breeding, James D.; Bisson, Brad D.; Mourtada, Firas; Hyde, Gregory M.; Szobota, Stephanie A.; Asongwe, Gabriel; Ellis, Jeffrey T., Valve aptation assist device.
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Webler,William E.; Breeding,James D.; Bisson,Brad D.; Mourtada,Firas; Hyde,Gregory M.; Szobota,Stephanie A.; Asongwe,Gabriel; Ellis,Jeffrey T., Valve aptation assist device.
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Romoscanu, Alexandre, Variable stiffness steering mechanism for catheters.
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Webler, William E.; Becker, Neil; Hyde, Gregory M., Vascular delivery system for accessing and delivering devices into coronary sinus and other vascular sites.
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[미국특허] Deflectable catheter with straightening element 원문보기