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| Number | Title | Issue Date |
| 8152757 | Intra-ventricular substance delivery catheter system A guide catheter and a needle catheter are disclosed. The guide catheter construction provides for maximum articulation of the deflectable tip and maximum torque response during rotation. The needle catheter may include a release mechanism that imparts a sudden forc... | 04/10/2012 |
| 8137308 | Catheter with adjustable deflection sensitivity A catheter that provides bi-directional steering and allows for deflection sensitivity adjustment includes a catheter body, a deflectable tip section and a control handle, wherein the control handle has a deflection member adapted for user manipulation, a deflection... | 03/20/2012 |
| 8123721 | Catheter having independently-deflectable segments and method of its manufacture A catheter shaft includes a wall defining a lumen, a distal segment, and a proximal segment. At least one distal segment deflection wire extends through the proximal segment and terminates in the wall in the distal segment, while at least one proximal segment deflec... | 02/28/2012 |
| 8118774 | Toposcopic access and delivery devices Disclosed herein are elongate flexible medical devices which are capable of axial elongation through the mechanism of eversion or toposcopic expansion. In general, this may be accomplished by providing a flexible tubular device having a proximal end and a distal end... | 02/21/2012 |
| 8118775 | Deflectable catheter with bonded center strut and method of manufacture for same A catheter for diagnosing or treating the vessels found within a body or body space includes a center strut that is bonded, preferably thermally, along its longitudinal axis with the thermoplastic tubular member within which it is housed. The tubular member preferab... | 02/21/2012 |
| 8083713 | Catheter with controllable stiffness and method for operating a selective stiffening catheter A method and device for treating a Chronic Total Occlusion provides a controllable stiffness catheter with a shaft having a stiffness sheath and an access lumen. The device has a stiffness device in a stiff state below a given temperature and in a soft state above t... | 12/27/2011 |
| 8075518 | Controlling shaft bending moment and whipping in a tendon deflection or other tendon system A tendon deflection system including a shaft, a plurality of tendons movably disposed within the shaft, and a force-balancing element coupled to the tendons. In a first section, the plurality of tendons are arranged around the shaft at equal angles to each other and... | 12/13/2011 |
| 8066664 | Tri-directional articulating catheter A catheter capable of articulating in two and three directions is provided. Articulation at the distal tip of the catheter is facilitated by applying selective tension on a steering wire disposed in a lumen that resides peripheral to a central working lumen. Tension... | 11/29/2011 |
| 8052636 | Robotic catheter system and methods The apparatus of one embodiment of the present invention is comprised of a flexible sheath instrument, a flexible guide instrument, and a tool. The flexible sheath instrument comprises a first instrument base removably coupleable to an instrument driver and defines ... | 11/08/2011 |
| 8048025 | Multi-plane motion control mechanism A hand-holdable steering mechanism is used as part of a medical device such as a catheter or an endoscope to allow movement of a steerable distal portion of the catheter or endoscope. The mechanism can include a housing and an actuation system. The actuation system ... | 11/01/2011 |
| 8048024 | Steering mechanism A hand-holdable steering mechanism is used as part of a medical device such as a catheter or an endoscope to allow movement of a steerable distal portion of the catheter or endoscope. The mechanism can include a housing, a first actuator, and a second actuator. The ... | 11/01/2011 |
| 8048026 | Deflectable catheter steering and locking system A deflectable catheter includes a catheter shaft having a deflectable distal tip. A support member is coupled around a proximal portion of the catheter shaft, and the support member includes a first brake portion extending along at least a portion of the support mem... | 11/01/2011 |
| 8029461 | Closable loop access guide catheter The Access guide catheter provides passage for therapeutic and diagnostic devices through vessels or conduits that return substantially in a direction from which they originated. One application is for delivery of therapeutic catheters to the carotid or cerebral art... | 10/04/2011 |
| 8021327 | Steering mechanism for bi-directional catheter A bi-directional catheter with nearly double the throw in its catheter tip deflection defines a puller wire travel path having a U-turn a pulley which minimizes the offset angle between the puller wire and the longitudinal axis of the control handle while maximizing... | 09/20/2011 |
| 8021326 | Instrument driver for robotic catheter system A robotic medical system comprises an operator control station having a master input device, a catheter instrument, and an instrument driver in communication with the operator control station. The catheter instrument includes an elongate flexible catheter member, a ... | 09/20/2011 |
| 8007462 | Articulated catheter Methods and apparatuses for manipulating an elongated flexible shaft of a catheter provide case and reliability of positioning electrodes against or near tissue. Dual-bend flexible distal tips (30) may be used in combination with flat wires. In some embodimen... | 08/30/2011 |
| 8007463 | Bi-directional catheter assembly and method therefor A catheter assembly includes a catheter body extending from a deflectable distal end to a proximal end, and the catheter body includes an actuator lumen. A housing is engaged to the proximal end of the catheter body. A flexible element extends from the housing throu... | 08/30/2011 |
| 8002739 | Deflectable microimplant delivery system The present invention provides a deflectable catheter-based system for assisting in the delivery of therapeutic agents, cellular materials and the like to one or more sites in a target body tissue. The system provides for one or more injections to a predetermined ne... | 08/23/2011 |
| 7976495 | Peg tube with wireless pull tip A feeding tube and method for introducing a feeding tube within the gastrointestinal tract of a patient, whereby the feeding tube is introduced by using a variation of the Ponsky “pull” method of feeding tube placement. The feeding tube comprises an elongate sha... | 07/12/2011 |
| 7972298 | Robotic catheter system A robotic catheter system includes a controller with a master input device. An instrument driver is in communication with the controller and has a guide instrument interface including a plurality of guide instrument drive elements responsive to control signals gener... | 07/05/2011 |
| 7959601 | Steerable catheter with in-plane deflection An improved steerable catheter with in-plane deflection comprises a catheter body having proximal and distal ends and a lumen extending therethrough and a tip section at the distal end of the catheter body. The tip section comprises a flexible plastic tubing having ... | 06/14/2011 |
| 7955298 | Defined deflection structure Deflection mechanisms are disclosed that are positionable to deflecting portions of a flexible body, such as a catheter, in more than one direction in a single plane, as well as in more than one plane. The invention allows a distal portion of a catheter to be deflec... | 06/07/2011 |
| 7947012 | Aspiration catheter having selectively deformable tip An aspiration catheter includes an elastically deformable distal tip transformable between an orthogonal configuration and an oblique configuration to selectively and controllably appose the tip with thrombus or other matter to be aspirated. A core wire is slidably ... | 05/24/2011 |
| 7931616 | Insert molded catheter puller member connectors and method of making The present invention provides a deflectable catheter whose puller member connections are accomplished with minimal, if any, surface deformation which could otherwise accelerate breakage under tension. The catheter includes a molded member that encases an end of a p... | 04/26/2011 |
| 7850642 | Methods using a robotic catheter system A methods using a robotic catheter system to perform a procedure on a patient includes generating a control signal corresponding to movement of a master input device, and moving a plurality of drive elements of an instrument driver in response to the control signal,... | 12/14/2010 |
| 7824367 | Drainage catheter with locking hub A drainage catheter hub for use in connection with a drainage catheter to receive and secure a suture therein, wherein the hub includes: (i) a housing having a channel to accommodate the suture therein; (ii) a bistable locking mechanism positioned in the housing and... | 11/02/2010 |
| 7803130 | Deflectable tip access sheath A disposable access sheath having a deflectable tip is provided. The access sheath is very flexible and allows a physician or other medical professional to provide diagnostic or therapeutic services to a remote body cavity. The access sheath has a deflectable tip th... | 09/28/2010 |
| 7794424 | Catheter with out-of-plane configurations A transformable catheter includes a sheath having a length which is a substantial fraction of the entire length of the transformable catheter and a bore therethrough. A preformed inner catheter having a complex curve formed into the distal end thereof is disposed in... | 09/14/2010 |
| 7771388 | Steerable catheter system This invention relates to devices for navigating passageways in a body, and in particular, to a steerable catheter that can be used to navigate the tortuous anatomy of a body's vasculature. In one embodiment of the invention the deflectable catheter comprises an inn... | 08/10/2010 |
| 7766868 | Deflectable medical therapy delivery device having common lumen profile A medical therapy delivery device that includes a shaft formed by an outer layer and a deflectable tip that includes a tapered portion. A manipulator wire extends through the shaft to adjust deflection of a second portion of the shaft relative to a first portion. Th... | 08/03/2010 |
| 7736331 | Drainage catheter hub with welded suture and sidewall stylet A drainage catheter having a weld to secure the distal end of the catheter in an anchor configuration. The suture is welded into a loop at the distal end of the suture to secure the anchor configuration of the distal end of the catheter either directly or by securin... | 06/15/2010 |
| 7731681 | Catheter positioning system The present invention relates to a system adapted to position a medical device, such as an ablation catheter, at a location where a pulmonary vein extends from an atrium. The system optimally includes a deflectable catheter and a sheath. An ablation member is disclo... | 06/08/2010 |
| 7731682 | Steerable device for introducing diagnostic and therapeutic apparatus into the body An apparatus including an elongate body having a lumen extending therethrough and a steering wire, having a distal portion defining a non-circular cross-section, associated with the distal portion of the elongate body. ... | 06/08/2010 |
| 7717875 | Steerable catheter with hydraulic or pneumatic actuator A hydraulically assisted actuator in a handle connects with a catheter having a deflectable distal ablation tip. The hydraulic actuator translates small mechanical movement by a clinician into large travel movements of connected steering cables and increased tension... | 05/18/2010 |
| 7695451 | Steerable device for introducing diagnostic and therapeutic apparatus into the body An apparatus including an elongate body having a lumen extending therethrough and a steering wire, having a distal portion defining a non-circular cross-section, associated with the distal portion of the elongate body. ... | 04/13/2010 |
| 7678074 | Deflectable catheter steering and locking system A deflectable catheter includes a catheter shaft having a deflectable distal tip. A support member is coupled around a proximal portion of the catheter shaft, and the support member includes a first brake portion extending along at least a portion of the support mem... | 03/16/2010 |
| 7641630 | Drainage catheter hub with locking cam The drainage catheter hub includes a locking cam for securing a suture to maintain an anchor configuration of the distal end of the drainage catheter. The locking cam is rotatable to a first position for securing the suture and a second position for releasing the su... | 01/05/2010 |
| 7604611 | Handle thumb wheel mechanism which maintains holding forces when sterilized and when engaged A thumb wheel mechanism includes a thumb wheel with upper and lower surfaces, the lower surface including a bore with a ball connected to it, and an handle half with upper and lower surfaces, the upper surface including a divot, the thumb wheel lower surface being a... | 10/20/2009 |
| 7594903 | Controlling shaft bending moment and whipping in a tendon deflection or other tendon system A tendon deflection system including a shaft, a plurality of tendons movably disposed within the shaft, and a force-balancing element coupled to the tendons. In a first section, the plurality of tendons are arranged around the shaft at equal angles to each other and... | 09/29/2009 |
| 7591799 | Steering mechanism for bi-directional catheter A bi-directional catheter with nearly double the throw in its catheter tip deflection defines a puller wire travel path having a U-turn a pulley which minimizes the offset angle between the puller wire and the longitudinal axis of the control handle while maximizing... | 09/22/2009 |
