Patent application number | Description | Published |
20080287862 | Drive systems and methods of use - Drive systems and methods of use are disclosed herein for performing medical procedures on a patient. The drive systems include various handle types and triggers for controlling catheters and end effectors. The various handle types include a flexible handle and ambidextrous handles that can alter the handedness of the handle for particularized use. The handles drive articulation sections of the catheter and end effectors with various degrees of freedom, and include locks for holding the catheter and/or end effector in place. The catheter systems include structures for allowing degrees of freedom, such as notches, mechanical interlocks, and articulation joints. In addition, the catheters articulate via cables or fluids. | 11-20-2008 |
20080287988 | Tissue aperture securing and sealing apparatuses and related methods of use - Embodiments of the invention may be directed to apparatuses for securing and sealing apertures in tissue and related methods of use. | 11-20-2008 |
20090182200 | MEDICAL DEVICE - Apparatuses of the type broadly applicable to numerous medical applications in which it is desirable to insert one or more steerable or non-steerable catheters or similar devices into a working channel of an associated device, such as an endoscope, catheter, etc., or passageway of a patient, are disclosed. The apparatuses may include catheters having a dedicated guide wire channel and one or more of the following: viewing capabilities, a working channel, and auxiliary channels, such as insufflation/irrigation channels. The catheters may include a guide wire channel that is configured to provide the catheter or other device with rapid exchange capabilities. | 07-16-2009 |
20090192518 | APPARATUS AND METHOD FOR LOADING AND DELIVERING A STENT HAVING IMPROVED HANDLES TO CONTROL RELATIVE CATHETER COMPONENT MOVEMENT - A catheter handle assembly for delivering stent includes a proximal handle attached to an axially elongated inner member with a distal tip and an intermediate handle attached to an axially elongated intermediate tube with a stent basket at its end. The intermediate tube overlies at least a portion of the inner member. A distal handle is attached to an axially elongated external member overlying at least a portion of the intermediate tube are disclosed. | 07-30-2009 |
20090287188 | STEERING SYSTEM WITH LOCKING MECHANISM - A steerable device, such as a steerable catheter, may include a control handle and an insertion shaft extending outwardly therefrom. In use, the insertion shaft is navigated to an area of interest for examination and/or treatment thereof. The steerable device may include a steering system that controls the deflection angle of the distal end of the insertion shaft in two or more non-planar directions for navigating the insertion shaft to the area of interest. The steering system may also include a locking mechanism for arresting or partially arresting the movement of the distal end of the insertion shaft in a first direction independent of arresting or partially arresting the movement of the distal end in a second non-planar direction. | 11-19-2009 |
20100114116 | Medical Device Control System - A control system for allowing a physician to control the orientation of a medical device or a medical instrument in a variety of directions with one hand. An actuator selectively tensions one or more control cables having ends secured at or adjacent a distal tip of the medical device in order to bend the distal tip in a desired direction. In one embodiment, a physician can adjust the movement of the distal tip in a desired direction without affecting the orientation of the medical device in other directions. | 05-06-2010 |
20110077621 | LOCKING MECHANISM FOR A MEDICAL DEVICE - A locking mechanism for a medical device to selective lock a first elongate member from longitudinal movement relative to a second elongate member of the medical device. The locking mechanism includes a flexible tubular member disposed in a bore of a handle assembly of the medical device, and an actuator, such as a cam member having a cam or eccentric surface. Pivotable movement of the actuator from a first position to a second position compresses or deforms the flexible tubular member against the first elongate member to lock the first elongate member from longitudinal movement relative to the handle assembly. | 03-31-2011 |
20110224575 | Needle with Helical Grooves Converting Axial Movement to Rotational Movement - A device for penetrating tissues within a living body, comprises a shaft extending from a proximal end which, in an operative position, remains outside the body to a distal end which, in the operative position, is within a living body, the shaft comprising a channel extending therethrough from the proximal end to an opening at the distal end. The device also comprises a needle extending within the channel and comprising a tissue penetrating tip. A portion of an outer surface of the needle includes a first structure wrapping therearound and configured to mate with a second structure formed on a corresponding portion of an inner wall of the shaft. The first and second structures mate with one another so that, as the needle is urged axially through the channel, the mating causes the needle to rotate about an axis of the channel. | 09-15-2011 |
20120118088 | BEARING ASSEMBLY FOR INSTRUMENT - Embodiments of the invention include a system for guiding an instrument. The system may include a frame and a bearing assembly supported by the frame. The bearing assembly may include an outer tubular member supported by the frame and including a proximal end and a distal end. The bearing assembly may also include a bearing at least partially disposed within at least one of the proximal end and the distal end of the outer tubular member. The channel may extend through the outer tubular member and the bearing. | 05-17-2012 |
20120165829 | MEDICAL DEVICE CONTROL SYSTEM - A control system for allowing a user to control the orientation of a medical device or a medical instrument in a variety of directions. An actuator selectively tensions one or more control cables having ends secured at or adjacent a distal tip of the medical device in order to bend the distal tip in a desired direction. In one embodiment, a physician can adjust the movement of the distal tip in a desired direction without affecting the orientation of the medical device in other directions. | 06-28-2012 |
20120197190 | MEDICAL DEVICES HAVING RELEASABLE COUPLING - This invention is directed to a medical device with a handle and a catheter. The handle can include a body having a proximal end and a distal end, an actuator moveably coupled to the body, and a handle control member coupled to the actuator, wherein the actuator can be configured to move relative to the body to move the handle control member. The catheter can include a shaft having a proximal end and a distal end, wherein the proximal end of the shaft and the distal end of the body can be configured for releasable coupling. The catheter can also include a steering section located along the shaft and a catheter control member coupled to the steering section. A securing member may move relative to at least one of the handle and the catheter to releasably couple the handle control member to the catheter control member. | 08-02-2012 |
20120197239 | ENDOSCOPIC MEDICAL DEVICE WITH ARTICULATING JOINTS - An endoscopic device may include an elongate section extending from a proximal end to a distal end along a longitudinal axis. The elongate section may be configured to transmit a desired torque about the longitudinal axis without relative rotation between the proximal end and the distal end. The device may also include a plurality of bend elements positioned on the elongate section. The plurality of bend elements may include a first articulating joint configured to bend the elongate section in a first bending plane, and a second articulating joint configured to bend the elongate section in a second bending plane different from the first bending plane. | 08-02-2012 |
20120197240 | ARTICULATION SECTION WITH LOCKING - This invention is directed to a flexible device, a first elongate member configured to move the flexible device in a first direction, and a second elongate member configured to move the flexible device in a second direction. The flexible device can include a plurality of articulation links, wherein at least one of the plurality of articulation links can include a body configured to receive the first elongate member and the second elongate member. A cinching element may engage the first elongate member to substantially limit movement between the plurality of articulation links when a tensile force is applied to the first elongate member and may disengage the first elongate member to permit movement between the plurality of articulation links when a tensile force is applied to the second elongate member. | 08-02-2012 |
20120197241 | ARTICULATION JOINTS FOR TORQUE TRANSMISSION - The invention can include an articulation link having a body with a first surface located proximate a first end of the body and a second surface located proximate a second end of the body opposite the first end. A cavity can extend from the first surface to a cavity contact surface located between the first surface and the second surface. A protrusion can extend from the second surface away from the first surface to a protrusion contact surface. The protrusion contact surface can be generally curved to engage a cavity contact surface of an adjacent link. A protrusion sidewall can engage a cavity sidewall of the adjacent link. | 08-02-2012 |
20130110107 | ENDOSCOPIC INSTRUMENT HAVING A DEFLECTABLE DISTAL TOOL | 05-02-2013 |
20130197490 | MEDICAL DEVICE HAVING A TENSIONABLE COUPLING - This invention is directed to a medical device having an elongate shaft having a distal end and a controller coupled to the shaft. A control member can extend through at least part of the elongate shaft and at least part of the controller, wherein the control member in a tensioned configuration can be moveable by the controller to control the distal end of the shaft and the control member can be slack in an untensioned configuration. A tensioning mechanism can be configured to move relative to at least one of the elongate shaft and the controller to tension the control member and automatically lock the control member in the tensioned configuration. | 08-01-2013 |
20130197491 | MEDICAL DEVICE HAVING A MODULAR CONTROLLER - This invention is directed to a surgical instrument having an elongate shaft with a proximal and a distal end, and including a controller coupled to a proximal region of the elongate shaft. In a first configuration, the controller can control an end-effector coupled to the distal end of the elongate shaft via a control element moveably coupled to the controller. In a second configuration, the controller can move the distal end of the elongate shaft. The surgical instrument can also have an aperture configured to receive the control element in the first configuration and receive an insert element fixedly coupled to the controller and configured to cover the aperture in the second configuration. | 08-01-2013 |
20140107571 | STEERING SYSTEM WITH LOCKING MECHANISM - A steerable device, such as a steerable catheter, may include a control handle and an insertion shaft extending outwardly therefrom. In use, the insertion shaft is navigated to an area of interest for examination and/or treatment thereof. The steerable device may include a steering system that controls the deflection angle of the distal end of the insertion shaft in two or more non-planar directions for navigating the insertion shaft to the area of interest. The steering system may also include a locking mechanism for arresting or partially arresting the movement of the distal end of the insertion shaft in a first direction independent of arresting or partially arresting the movement of the distal end in a second non-planar direction. | 04-17-2014 |
20140249474 | MEDICAL DEVICES HAVING RELEASABLE COUPLING - This invention is directed to a medical device having a longitudinal axis, and including a handle and a catheter. The handle can include a body having a proximal end and a distal end, an actuator moveably coupled to the body, and a handle control member coupled to the actuator, wherein the actuator can be configured to move relative to the body to move the handle control member. The catheter can include a shaft having a proximal end and a distal end, wherein the proximal end of the shaft and the distal end of the body can be configured for releasable coupling. The catheter can also include a steering section located along the shaft and a catheter control member coupled to the steering section, wherein the catheter control member can be configured to move relative to the shaft to move the steering section relative to the longitudinal axis. The medical device can also include a securing member configured to move relative to at least one of the handle and the catheter to releasably couple the handle control member to the catheter control member. | 09-04-2014 |
20140276910 | RETRIEVAL DEVICE AND RELATED METHODS OF USE - A medical device and a method for manipulating a tissue are disclosed. The medical device includes two or more bars, a snare loop and a constricting element. Each bar includes a proximal end, and one or more distal ends, such that the bars are in close proximity at the proximal end. The snare loop maybe coupled to the distal ends of the bars. The constricting element maybe movably coupled to the bars, such that the constricting element expands the snare loop when positioned at the proximal end of the plurality of bars while the constricting element collapses the snare loop when positioned at the distal end of the plurality of bars, thus, keeping the distal end of the snare loop stationary with respect to the tissue. | 09-18-2014 |
20140276911 | TISSUE RESECTION SNARES - A tissue resection device for resecting tissue from a target site within a patient's body. The device includes an elongate shaft having a proximal end and a distal end. An actuation member extends partially through the shaft, and reciprocates within the shaft between a retracted position and an extended position. Multiple snare wires extend through the actuation member, and emerge outwards from a distal portion of the actuation member. The snare wires cooperate and join to form a snare loop, which engages the tissue intended to be resected. The snare loop is configured to enhance friction while engaging the tissue, to resect the tissue. | 09-18-2014 |
20140378988 | SUPPORTED RETRIEVAL DEVICE AND RELATED METHODS OF USE - A medical device for manipulating a tissue is disclosed. The device includes an elongate shaft having a proximal end, a distal end, and a first lumen between the proximal end and the distal end, which has an opening in communication with the first lumen. The elongate shaft further includes a second lumen or aperture disposed in an external surface of the elongate shaft. The device further includes: a support truss, a snare loop, and an actuation member having a distal end. The actuation member is movably disposed within the first lumen. The support truss is configured to be received within the first lumen, second lumen, or aperture such that a proximal end of the support truss is operably connected to the elongate shaft adjacent a proximal portion of the first lumen, second lumen, or aperture. The snare loop has a first portion connected to a distal end of the support truss and a second portion connected to the distal end of the actuation member. | 12-25-2014 |