Patent application number | Description | Published |
20080243141 | SURGICAL INSTRUMENT WITH SEPARATE TOOL HEAD AND METHOD OF USE - Surgical instruments are disclosed in which an elongated shaft is used in conjunction with a separate, remotely actuable tool head for performing a procedure on a target tissue. The shaft has a tool engagement member carried at its distal end that is remotely actuable through the shaft to engage and release the tool head. | 10-02-2008 |
20100010489 | SURGICAL CLAMP - A novel surgical clamp having a pair of jaws, which may be used to ablate or create leisons in tissue. In embodiment, the jaws have an articulated position wherein the jaws are separated and not parallel to one another, an opened position wherein the jaws are separated and substantially parallel to one another, and a closed position wherein the jaws are adjacent and substantially parallel to one another. One or more of the jaws can articulate independent of the other jaw. Other embodiments are described in the attached specification. | 01-14-2010 |
20100114287 | IMPLANTABLE TISSUE MARKER ELECTRODE - The present application discloses a tissue marker that may be permanently applied to cardiac (or other) tissue by means such as, but not limited to, a minimally-invasive procedure to allow for pre- and post-op lesion site testing, with the marker also preferably being radiopaque to facilitate post-op imaging. More specifically, the marker may preferably comprise or include an electrode as part of an integrated assembly. The marker may be mounted on the tissue with a suitable tissue retention member for securing the marker in place. The disclosed examples include one or more tissue retention members, and in an exemplary embodiment comprises a pair of clips for securing the assembly to a target tissue. Each retention member or clip has a conductive lead with an electrically conductive surface in the form of a patch associated therewith. Each clip is preferably associated with a discrete electrically conductive area on the surface of the patch so that the assembly may function as a bi-polar electrode, with a voltage applied between the discrete conductive areas. | 05-06-2010 |
20100152728 | METHOD AND APPARATUS FOR DETERMINING THE EFFICACY OF A LESION - A method and apparatus are provided for assessing the degree of electrical signal blockage, or transmurality, of a line of ablation in which at least a first electrode adapted to deliver an electrical impulse is located on the first or one side of a line of ablation; and at least a second and a third electrode adapted to detect an electrical impulse are located on the second side of the line of ablation generally opposite to the first electrode. Each electrode may also be made up of more than one electrode, such as an electrode pair, to better assure reliability and tissue contact. Once the electrodes are located in contact with the tissue in question, an electrical impulse is delivered to the target tissue by the first electrode and detected by the second and third electrodes. Depending upon whether the line of ablation allows passage of electrical pulses, the second and third electrodes will detect the electrical impulse sequentially, with the order and/or timing of detection depending upon whether the electrical signal is able to directly cross the line of ablation or has to travel around the line of ablation to reach the second and third electrodes. | 06-17-2010 |
20100179570 | APPARATUS AND METHODS FOR DEPLOYING A CLIP TO OCCLUDE AN ANATOMICAL STRUCTURE - Apparatus and methods for deploying a clip to occlude an anatomical structure including a clip holder assembly that is an interface between the clip and a deployment device. | 07-15-2010 |
20100185232 | SURGICAL CLAMP - A surgical clamp including a pair of jaws, which may be used to ablate or create lesions in tissue. In an exemplary embodiment, the jaws are movable between an articulated position in which the jaws are separated and not parallel to one another, an opened position in which the jaws are separated and substantially parallel to one another, and a closed position in which the jaws are adjacent and substantially parallel to one another. | 07-22-2010 |
20100241114 | CRYOGENIC PROBE - A cryogenic probe for ablating cardiac tissue is provided comprising a handle piece and an elongated probe tube extending from the handle that terminates in a malleable end effector closed at its distal end and having a smooth outer surface. A semi-rigid insulative sleeve extends from the handle and overlies the proximal portion of the probe tube. An internal support preferably in the form of a coiled spring is located interior of the probe tube for supporting the interior surface of the probe tube. A plurality of cryogenic fluid supply tubes are disposed on the interior of the probe tube for introducing cryogenic fluid to the probe tube, each supply tube having an outlet orifice, with the outlet orifices being staggered along the length of the probe tube. In one embodiment, the probe tube is axially movable relative to the sleeve/handle between retracted and extended positions. Also, the probe tube may be provided with a thermocouple for measuring the temperature of the surface of the probe tube. | 09-23-2010 |
20100286688 | FLEXIBLE ABLATION CLAMP - Ablation devices comprising elongated flexible members that are repositioned to at least partially surround tissue to be ablated. The exemplary ablation instruments utilize rigid or semi-rigid devices that are either affixed to the flexible member or repositionable along the flexible member. The clamping and ablating surfaces include electrodes or other means for delivering ablation energy. The electrodes may be brought into proximity with each other so as to provide a uniform force profile across the tissue to be ablated. In such a circumstance, once the tissue between the clamping and ablating surfaces is compressed, the electrodes are activated to create an ablation lesion. | 11-11-2010 |
20110028968 | Surgical Ablation and Pacing Device - A surgical device has an integral first tip having pair of electrodes configured to ablate tissue using electric energy. A second tip has a pair of electrodes configured to provide pacing signals to a heart and/or to sense electrical signals passing through heart tissue. The second tip is configured to snap onto the first tip, such that the same device may be used for ablation, pacing, and sensing. Alternatively, the second tip may be integral with the device and the first tip configured to snap onto the second tip. Alternatively, a single integral tip of the surgical device may be used for ablation, pacing, and sensing. Such a multipurpose tip may comprise a plurality of electrode pairs or an array of electrodes. A user interface on the device or elsewhere may be operable to provide selectable modes for selectively varying properties of signals communicated to the electrodes. | 02-03-2011 |
20110245579 | MEDICAL EFFECTOR SYSTEM - A sedation delivery system comprised of a bedside unit and a procedure unit. The bedside unit contains a series of connection points for receiving inputs from a series of patient monitors. The procedure unit contains a patient monitoring and a drug delivery pump or magnetic flux generator capable of sedative therapy to a patient. The sedation delivery system contains the capability to issue and receive a request from a non-sedated patient, issue and receive a request from a sedated patient and then to calculate a time difference. The sedation delivery system program operates the pump or magnetic flux generator based upon at least some of the patient outputs and program inputs including a calculated time difference. A removable umbilical cable connects the two units and allows the output of the patient monitors as well as other information to travel between the two units. | 10-06-2011 |
20110313413 | ABLATION DEVICE WITH SENSOR - An electrosurgical device having a distal tip for creating a lesion on tissue includes a first electrode and a second electrode that are parallel for the delivery of RF energy to tissue. A sensor electrode is provided parallel to and spaced away from the first electrode a different distance than the second electrode. When the sensor electrode and at least one of the first and second electrodes are in contact with tissue, The electrosurgical device can perform at least one of the following: ablating tissue, and sensing at least one selected from the group of voltage, tissue impedance, electrical conduction, conduction time, conduction velocity, and signal phase angle. | 12-22-2011 |
20120035631 | APPARATUS AND METHODS FOR OCCLUDING AN ANATOMICAL STRUCTURE - Apparatus and methods are disclosed for occluding an anatomical structure including an occlusion apparatus having first and second beams and at least one connector for connecting the respective ends of the beams together. The occlusion apparatus may be adapted for use in a deployment device having a pair of jaws and optionally having a respective pair of shuttle bodies for releasably connecting an occlusion apparatus to the jaws while in an open position and for releasing the occlusion device from the jaws while in a closed position. A system for occluding an anatomical structure is also disclosed that includes an occlusion apparatus and a deployment device for holding the occlusion apparatus in an open position for locating the occlusion device adjacent the anatomical structure to be occluded and then moving the occlusion apparatus to a closed position and locking the occlusion apparatus in the closed position. | 02-09-2012 |
20120059370 | SURGICAL ABLATION AND PACING DEVICE - A surgical device has an integral first tip having pair of electrodes configured to ablate tissue using electric energy. A second tip has a pair of electrodes configured to provide pacing signals to a heart and/or to sense electrical signals passing through heart tissue. The second tip is configured to snap onto the first tip, such that the same device may be used for ablation, pacing, and sensing. Alternatively, the second tip may be integral with the device and the first tip configured to snap onto the second tip. Alternatively, a single integral tip of the surgical device may be used for ablation, pacing, and sensing. Such a multipurpose tip may comprise a plurality of electrode pairs or an array of electrodes. A user interface on the device or elsewhere may be operable to provide selectable modes for selectively varying properties of signals communicated to the electrodes. | 03-08-2012 |
20120109117 | CRYOGENIC PROBE WITH SWIVEL - A cryogenic wand for ablating tissue comprising a cryogenic ablation tube closed at a distal end and including an ablation zone, the ablation tube in fluid communication with and coupled proximally to at least one of two segments that are rotatably repositionable with respect to one another, wherein the two segments are fluidically sealed so that fluid entering a first of the at least two segments passes therethrough and enters a second of the at least two segments. | 05-03-2012 |
20120109161 | APPENDAGE CLAMP DEPLOYMENT ASSIST DEVICE - The instant disclosure is directed to devices and methods for deploying a biased occlusion clamp. In addition, the present disclosure includes devices and methods for deploying a biased occlusion clamp using robotics. Moreover, the present disclosure includes devices and methods for reducing the force necessary to open an occlusion clamp without permanently compromising the clamping force of the clamp itself. | 05-03-2012 |
20120123445 | CLIP APPLICATOR - A clamp assembly comprising: (a) a clamping device biased toward a closed position; (b) a first retainer bar removably coupled to the clamping device; (c) a second retainer bar removably coupled to the clamping device, where the first retainer bar and the second retainer bar are oriented in parallel to one another. | 05-17-2012 |
20120179153 | SURGICAL INSTRUMENT WITH SEPARATE TOOL HEAD AND METHOD OF USE - Surgical instruments are disclosed in which an elongated shaft is used in conjunction with a separate, remotely actuable tool head for performing a procedure on a target tissue. The shaft has a tool engagement member carried at its distal end that is remotely actuable through the shaft to engage and release the tool head. | 07-12-2012 |
20120323256 | ROBOTIC TOOLKIT - A surgical instrument kit comprising: (a) a robotic arm comprising a first jaw including a first bipolar electrode and a second jaw including a second bipolar electrode, wherein at least one of first jaw and second jaw is repositionable with respect to the other jaw; (b) a first surgical tool head including a first electrical load in electrical communication with a first pair of electrical terminals, the first surgical tool head adapted to be removably coupled to the robotic arm; and, (c) a second surgical tool head including a second electrical load in electrical communication with a second pair of electrical terminals, the second surgical tool head adapted to be removably coupled to the robotic arm, where the first pair of electrical terminals of the first surgical tool head are adapted to engage the first bipolar electrode and the second bipolar electrode to establish electrical communication between the first bipolar electrode and a first of the first pair of electrical terminals and between the second bipolar electrode and a second of the first pair of electrical terminals, and where the second pair of electrical terminals of the second surgical tool head are adapted to engage the first bipolar electrode and the second bipolar electrode to establish electrical communication between the first bipolar electrode and a first of the second pair of electrical terminals and between the second bipolar electrode and a second of the second pair of electrical terminals. | 12-20-2012 |
20130131649 | SURGICAL DEVICE - A medical instrument comprising: (A) a first joint comprising a first member and a second member, the first member configured to be repositionable with respect to the second member in an X-Y plane; (B) a second joint operatively coupled to the first joint, the second joint comprising a third member and a fourth member, the third member configured to be repositionable with respect to the fourth member in a Y-Z plane perpendicular to the X-Y plane; and, (C) a controller operatively coupled to the first joint and the second joint, the controller including a first control configured to direct repositioning of at least one of the first member and the second member, and a second control configured to direct repositioning of at least one of the third member and the fourth member. | 05-23-2013 |
20140052130 | MATRIX ROUTER FOR SURGICAL ABLATION - A matrix router with frequency switching is provided having an energy source electrically connected to a plurality of interface ports. A switching device is provided between the energy source and the plurality of switches. One of the plurality of interface ports includes a paired electrode interface port for the connection of a paired electrode device thereto. The paired electrode device has a first pair of opposed electrodes and a second pair of opposed electrodes for clamping on tissue. When the paired electrode device is operably connected to the paired electrode interface port and actuated, the switching device alternates energy such as bipolar RF from the first pair of opposed electrodes to the second pair of opposed electrodes. | 02-20-2014 |
20140194864 | Ablation Device with Sensor - An electrosurgical device having a distal tip for creating a lesion on tissue includes a first electrode and a second electrode that are parallel for the delivery of RF energy to tissue. A sensor electrode is provided parallel to and spaced away from the first electrode a different distance than the second electrode. When the sensor electrode and at least one of the first and second electrodes are in contact with tissue. The electrosurgical device can perform at least one of the following: ablating tissue, and sensing at least one selected from the group of voltage, tissue impedance, electrical conduction, conduction time, conduction velocity, and signal phase angle. | 07-10-2014 |
20140358168 | Apparatus and Methods for Occluding an Anatomical Structure - Apparatus and methods are disclosed for occluding an anatomical structure including an occlusion apparatus having first and second beams and at least one connector for connecting the respective ends of the beams together. The occlusion apparatus may be adapted for use in a deployment device having a pair of jaws and optionally having a respective pair of shuttle bodies for releasably connecting an occlusion apparatus to the jaws while in an open position and for releasing the occlusion device from the jaws while in a closed position. A system for occluding an anatomical structure is also disclosed that includes an occlusion apparatus and a deployment device for holding the occlusion apparatus in an open position for locating the occlusion device adjacent the anatomical structure to be occluded and then moving the occlusion apparatus to a closed position and locking the occlusion apparatus in the closed position. | 12-04-2014 |