Mitralign, Inc. Patent applications |
Patent application number | Title | Published |
20140303720 | TISSUE PLICATION DEVICES AND METHODS FOR THEIR USE - A tissue plication device and method of using the same is described. The tissue plication device includes a helical fastener having a distal portion with a first pitch and a proximal portion with a second pitch that is smaller than the first pitch. The method includes introducing the distal tip of the helical fastener into the tissue and advancing the helical fastener to plicate the tissue. Another tissue plication device includes a helical fastener having a first configuration with a first pitch and a second configuration with a second pitch. The helical fastener in the first configuration is advanced into a tissue and then converted to the second configuration by applying a stimulus. | 10-09-2014 |
20140275757 | Translation Catheters, Systems, and Methods of Use Thereof - The present teachings generally relate to translation catheter systems and method of using thereof in treating defective mitral valves. Specifically, a translation catheter system includes a catheter configured to move substantially laterally along the mitral annulus and the lateral movement of the catheter is substantially continuous and substantially adjustable. Accordingly, a method of using such a translation catheter includes advancing a first wire across the mitral annulus at a first treatment location, delivering a catheter at or near the first treatment location, moving the catheter substantially laterally to a second treatment location, and advancing a second wire across the mitral annulus, where the distance between the first and second treatment locations is substantially adjustable and optionally visualized. | 09-18-2014 |
20140243894 | Devices and Methods for Percutaneous Tricuspid Valve Repair - The present teachings provide devices and methods of treating a tricuspid valve regurgitation. Specifically, one aspect of the present teachings provides devices and methods of identifying a suitable location on the tricuspid annulus, another aspect of the present teachings provides devices and methods of placing a wire across the tricuspid annulus at such an identified location, another aspect of the present teachings provides devices and methods of deploying a tissue anchor across such an identified location, and yet another aspect of the present teachings provides devices and methods of applying tension to two or more of such tissue anchors and reducing the circumference of the tricuspid annulus. As a result, a regurgitation jet is reduced or eliminated. | 08-28-2014 |
20140243859 | Tissue Anchor and Anchoring System - A tissue anchor includes a generally flexible elongate continuous anchor member capable of being inserted through tissue and moving between an elongate configuration and a shortened configuration suitable for anchoring against at least one side of the tissue. The anchor member has a first set of openings and a second set of openings formed therein at spaced locations along a length of the anchor member. The tissue anchor also includes a tensioning member operatively connected to the anchor member and the tensioning member extends through the proximal end portion to the distal end portion by passing through the first set of openings and then back to the proximal end portion by passing through the second set of openings. The anchor member is configured to form a plurality of folded panels upon pulling the tensioning member. The plurality of folded panels comprises a set of first panels that are oriented in a first direction and at least one second panel that is oriented in a second direction that is perpendicular to the folded set of first panels. | 08-28-2014 |
20140188215 | METHOD AND APPARATUS FOR CATHETER-BASED ANNULOPLASTY USING LOCAL PLICATIONS - The present invention relates to a minimally invasive method of performing annuloplasty. According to one aspect of the present invention, a method for performing annuloplasty includes accessing a left ventricle of a heart to provide a discrete plication element to the left ventricle, and engaging the plication element to tissue near a mitral valve of the heart. Engaging the plication element includes causing the plication element to gather a portion of the tissue to create a plication. In one embodiment, accessing the left ventricle of the heart to provide the plication element includes accessing the left ventricle of the heart using a catheter arrangement. | 07-03-2014 |
20140188108 | Energy Assisted Tissue Piercing Device and Method of Use Thereof - An energy assisted tissue piercing device that enables a tissue piercing wire to puncture heart tissue percutaneouly. The energy assisted tissue piercing device includes an outer delivery catheter, an inner tissue piercing wire, and an energy source. The inner tissue piercing wire is disposed longitudinally through the lumen of the outer delivery catheter during delivery. The inner needle has a flexible portion that allows the wire to bend when it is free from the constraint of the outer delivery catheter. The inner tissue piercing wire is conductive and connected to an energy source and the piercing of the heart tissue is done with the aid of the energy from the energy source. | 07-03-2014 |
20140094906 | TISSUE ANCHORS, SYSTEMS AND METHODS, AND DEVICES - Systems, devices and methods for securing tissue including the annulus of a mitral valve. The systems, devices and methods may employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 04-03-2014 |
20140094826 | Plication Lock Delivery System and Method of Use Thereof - A plication lock delivery system that enables a suture lock assembly to be delivered percutaneouly. The plication lock delivery system comprises a lock assembly that secures sutures in place, a control assembly that allows a clinician to engage a suture to a suture lock assembly, apply tension to the sutures to cause tissue plication, and deploy the lock assembly, and a catheter assembly. This plication lock delivery system can be used to repair mitral regurgitation percutaneouly or in an open-heart surgery. | 04-03-2014 |
20130190863 | METHOD TO REDUCE MITRAL REGURGITATION BY CINCHING THE COMMISSURE OF THE MITRAL VALVE - Methods of repairing the mitral valve and reducing mitral regurgitation. One method includes securing a first tissue anchor to a position on a posterior portion of the annular tissue of the mitral valve and a second tissue anchor to a position on an anterior portion of the annular tissue of the mitral valve. At least one tensile member spans between the first and second tissue anchors and across the orifice of the mitral valve. When tension is applied to the at least one tensile member, the posterior portion of the annular tissue is pulled toward the anterior portion. | 07-25-2013 |
20130131791 | CATHETER-BASED ANNULOPLASTY USING VENTRICULARLY POSITIONED CATHETER - The present invention relates to a minimally invasive method of performing annuloplasty. According to one aspect of the present invention, a method for performing annuloplasty includes accessing a left ventricle of a heart to provide a discrete plication element to the left ventricle, and engaging the plication element to tissue near a mitral valve of the heart. Engaging the plication element includes causing the plication element to gather a portion of the tissue to create a plication. In one embodiment, accessing the left ventricle of the heart to provide the plication element includes accessing the left ventricle of the heart using a catheter arrangement. | 05-23-2013 |
20120158021 | STEERABLE GUIDE CATHETER HAVING PREFORMED CURVED SHAPE - In one embodiment, a steerable guide catheter includes a handle and an elongated shaft extending outwardly away from and being coupled to the handle. The shaft has a distal end opposite the handle. The shaft further has a first preformed curved section at the distal end and a second preformed curved section that is located proximal to the first preformed curved section. The two preformed curved sections can be fabricated as part of a molding process whereby the two preformed curved sections are effectively “baked in” the catheter shaft. The guide catheter also has a steering mechanism for controllably steering at least the first preformed curved section at the distal end. The steering mechanism is coupled between the handle and elongated shaft and being configured such that actuation of the steering mechanism causes the first preformed curved section to be bent in at least two planes. | 06-21-2012 |
20120109155 | HAND OPERATED DEVICE FOR CONTROLLED DEPLOYMENT OF A TISSUE ANCHOR AND METHOD OF USING THE SAME - A tissue anchoring system includes a tissue anchor member that is suitable for anchoring against tissue. The system also includes a tensioning member operatively connected to the anchor member such that the anchor member can slide relative to the tensioning member, the tensioning member capable of being pulled to cause the anchor member to move relative to the tensioning member into a position seated against the tissue. A hand operated deployment catheter is operable to extend and deploy the anchor member therefrom. The deployment catheter includes a rotatable member about which the tensioning member is routed and a clutch assembly for limiting tension within the tensioning member to prevent the deployed anchor from being pulled through the tissue. | 05-03-2012 |
20120089022 | DELIVERY CATHETER WITH FORWARD-LOOKING ULTRASOUNG IMAGING - A catheter based medical device is provided for a percutaneous surgical procedure that provides forward-looking visualization and delivery of a medical device. The catheter includes a carriage at its distal end and an ultrasonic transducer is supported by the carriage. A conduit that has its proximal end disposed within the catheter and the conduit passes through the sidewall of the catheter proximate to the distal end of the catheter so that the distal end of the conduit is disposed on an exterior of the sidewall of the catheter. A medical device is deliverable through the lumen of the conduit and the ultrasonic transducer provides visualization of the medical device distally of the transducer. | 04-12-2012 |
20100324669 | CATHETER-BASED ANNULOPLASTY USING VENTRICULARLY POSITIONED CATHETER - The present invention relates to a minimally invasive method of performing annuloplasty. According to one aspect of the present invention, a method for performing annuloplasty includes accessing a left ventricle of a heart to provide a discrete plication element to the left ventricle, and engaging the plication element to tissue near a mitral valve of the heart. Engaging the plication element includes causing the plication element to gather a portion of the tissue to create a plication. In one embodiment, accessing the left ventricle of the heart to provide the plication element includes accessing the left ventricle of the heart using a catheter arrangement. | 12-23-2010 |
20100070028 | TISSUE PLICATION DEVICE AND METHOD FOR ITS USE - A device for treating mitral regurgitation including an anchor which features one or more reinforcing bars, ribbon and suture. | 03-18-2010 |
20090076547 | TISSUE ANCHOR AND ANCHORING SYSTEM - A tissue anchor includes an anchor member formed from a generally flexible material. An activation member, which may be a tensioning member, causes proximal and distal end portions of the anchor member to move toward each other into a shortened configuration suitable for anchoring against the tissue. The tissue anchor can optionally be deployed and activated using a catheter device. | 03-19-2009 |
20080275503 | METHOD OF HEART VALVE REPAIR - Catheter based systems and methods for securing tissue including the annulus of a mitral valve. The systems and methods employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 11-06-2008 |
20080228267 | DEVICES AND METHODS FOR INTRODUCING ELEMENTS INTO TISSUE - Systems, devices and methods for securing tissue including the annulus of a mitral valve. The systems, devices and methods may employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 09-18-2008 |
20080228266 | PLICATION ASSISTANCE DEVICES AND METHODS - Systems, devices and methods for securing tissue including the annulus of a mitral valve. The systems, devices and methods may employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 09-18-2008 |
20080228265 | TISSUE ANCHORS, SYSTEMS AND METHODS, AND DEVICES - Systems, devices and methods for securing tissue including the annulus of a mitral valve. The systems, devices and methods may employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 09-18-2008 |
20080228198 | SUTURE CUTTER AND METHOD OF CUTTING SUTURE - Suture cutters and methods of cutting suture in a surgical procedure. The suture cutter may include an actuator, an intermediate cannula portion and a movable cutting assembly. The cutting assembly may be operatively coupled to the actuator and include a cutting element. An adjustably sized cutting window receives the suture. The adjustably sized cutting window may be bound on at least one side with the cutting element for cutting the suture received inside the cutting window. Actuation moves the cutting assembly to cut the suture. | 09-18-2008 |
20080228165 | SYSTEMS AND METHODS FOR INTRODUCING ELEMENTS INTO TISSUE - Systems, devices and methods for securing tissue including the annulus of a mitral valve. The systems, devices and methods may employ catheter based techniques and devices to plicate tissue and perform an annuloplasty. | 09-18-2008 |