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58 results about "Heart valve function" patented technology
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Heart valves are formed from elastic connective tissue which provides the flexibility needed to open and close properly. Malfunctioning heart valves inhibit the heart's ability to pump blood and life giving oxygen and nutrients to the cells of the body.
Suspended heart valve devices, systems, and methods for supplementing, repairing, or replacing a native heart valve
InactiveUS20050228495A1Good flexibility and compressibilityImprove foldabilityHeart valvesBlood vesselsHeart chamberBlood vessel
A valve prosthesis is sized and configured to rest within a blood path subject to antegrade and retrograde blood flow. A trestle element on the prosthesis extends across the blood path. A leaflet assembly is suspended from the trestle element and extends into the blood path in alignment with blood flow. At least one mobile leaflet member on the leaflet assembly is sized and configured to assume orientations that change according to blood flow direction. The mobile leaflet member has a first orientation that permits antegrade blood flow and a second orientation that resists retrograde blood flow. The valve prosthesis, when implanted in a heart chamber or great vessel, serves to supplement and / or repair and / or replace native one-way heart valve function.
Owner:AM DISCOVERY
Device and method for improving heart valve function
ActiveUS20070270943A1Function increaseInhibit refluxSuture equipmentsHeart valvesCardiac wallHeart chamber
The invention is device and method for reducing regurgitation through a mitral valve. The device and method is directed to an anchor portion for engagement with the heart wall and an expandable valve portion configured for deployment between the mitral valve leaflets. The valve portion is expandable for preventing regurgitation through the mitral valve while allowing blood to circulate through the heart. The expandable valve portion may include apertures for reducing the stagnation of blood. In a preferred configuration, the device is configured to be delivered in two-stages wherein an anchor portion is first delivered and the valve structure is then coupled to the anchor portion. In yet another embodiment, the present invention provides a method of forming an anchor portion wherein a disposable jig is used to mold the anchor portion into a three-dimensional shape for conforming to a heart chamber.
Owner:EDWARDS LIFESCIENCES CORP +1
Methods and devices for improving mitral valve function
InactiveUS20050075723A1Less riskMinimally invasiveSuture equipmentsHeart valvesMitral valve functionCardiac wall
The various aspects of the invention pertain to devices and related methods for treating heart conditions, including, for example, dilatation, valve incompetencies, including mitral valve leakage, and other similar heart failure conditions. The devices and related methods of the present invention operate to assist in the apposition of heart valve leaflets to improve valve function. According to one aspect of the invention, a method improves the function of a valve of a heart by placing an elongate member transverse a heart chamber so that each end of the elongate member extends through a wall of the heart, and placing first and second anchoring members external the chamber. The first and second anchoring members are attached to first and second ends of the elongate member to fix the elongate member in a position across the chamber so as to reposition papillary muscles within the chamber. Also described herein is a method for placing a splint assembly transverse a heart chamber by advancing an elongate member through vasculature structure and into the heart chamber.
Owner:EDWARDS LIFESCIENCES LLC
Transformable annuloplasty ring configured to receive a percutaneous prosthetic heart valve implantation
ActiveUS8287591B2Easy to deployPrecise functionBalloon catheterBone implantProsthesisProsthetic heart
Owner:EDWARDS LIFESCIENCES CORP
Systems and methods for placing a coapting member between valvular leaflets
ActiveUS20130325110A1Function increaseReduce refluxBall valvesTRICUSPID VALVE REPAIRHeart valve function
The present invention relates to devices and methods for improving the function of a defective heart valve, and particularly for reducing regurgitation through an atrioventricular heart valve—i.e., the mitral valve and the tricuspid valve. For a tricuspid repair, the device includes an anchor deployed in the tissue of the right ventricle, in an orifice opening to the right atrium, or anchored to the tricuspid valve. A flexible anchor rail connects to the anchor and a coaptation element on a catheter rides over the anchor rail. The catheter attaches to the proximal end of the coaptation element, and a locking mechanism fixes the position of the coaptation element relative to the anchor rail. Finally, there is a proximal anchoring feature to fix the proximal end of the coaptation catheter subcutaneously adjacent the subclavian vein. The coaptation element includes an inert covering and helps reduce regurgitation through contact with the valve leaflets.
Owner:EDWARDS LIFESCIENCES CORP
Device and method for improving heart valve function
ActiveUS8932348B2Function increaseInhibit refluxSuture equipmentsHeart valvesHeart chamberThree dimensional shape
Owner:EDWARDS LIFESCIENCES CORP +1
Implants and methods for reshaping heart valves
Tissue shaping methods and devices are provided for reinforcing and / or remodeling heart valves. In certain embodiments, magnetic tissue shaping devices are implanted in tissue adjacent heart valve leaflets. The devices are mutually attractive or repulsive so as to remodel the heart tissue and improve heart valve function. In certain other embodiments, one or more tissue shaping devices including shape memory material are implanted in a patient's body within or on tissue adjacent a heart valve leaflet. The shape memory material can be activated within the patient in a less invasive or non-invasive manner, such as by applying energy percutaneously or external to the patient's body. The shape memory tissue shaping devices are implanted in a first configuration and then activated to remember a second configuration that displaces tissue so as to remodel the heart valve geometry and improve heart valve function. In certain other embodiments, a brace is crimped to the base of a heart valve leaflet to support the leaflet and improve valve closure.
Owner:MICARDIA CORP
Device And Method For Improving Function Of Heart Valve
ActiveUS20100145440A1Shorten the timeReduced and prevented backflowBone implantAnnuloplasty ringsFlangeHeart valve function
A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a first flange unit being connected to said first loop-shaped support. The flange unit is configured to be arranged against said annulus when said first loop-shaped support is abutting said heart valve.
Owner:MEDTENTIA INT LTD OY
Methods and devices for heart valve treatments
The present invention is a group of medical devices designed to improve heart valve function. The medical devices may be used individually, or in combination to supplement damaged valves, replace damaged valves, or improve damaged valves function. The medical devices include leaflet retainers, a neo-annulus, neo-leaflet, and a framework. In addition, the present invention is novel methods for surgically treating heart valves.
Owner:VENTURE LENDING & LEASING IV
Devices and methods for reducing cardiac valve regurgitation
ActiveUS20130338763A1Reduce refluxAvoid blood stagnationBalloon catheterBall valvesRight atriumClavicle
The present invention relates to devices and methods for improving the function of a defective heart valve, and particularly for reducing regurgitation through an atrioventricular heart valve—i.e., the mitral valve and the tricuspid valve. For a tricuspid repair, the device includes an anchor deployed in the tissue of the right ventricle, in an orifice opening to the right atrium, or anchored to the tricuspid valve. A flexible anchor rail connects to the anchor and a coaptation element on a catheter rides over the anchor rail. The catheter attaches to the proximal end of the coaptation element, and a locking mechanism fixes the position of the coaptation element relative to the anchor rail. Finally, there is a proximal anchoring feature to fix the proximal end of the coaptation catheter subcutaneously adjacent the subclavian vein. The coaptation element includes an inert covering and helps reduce regurgitation through contact with the valve leaflets.
Owner:EDWARDS LIFESCIENCES CORP
Annuloplasty Ring Configured to Receive a Percutaneous Prosthetic Heart Valve Implantation
ActiveUS20100076549A1Easy to deployPrecise functionBalloon catheterBone implantProsthesisProsthetic heart
The invention is an annuloplasty ring, and associated methods therefore, configured to reshape a native heart valve annulus to correct heart valve function, and also configured to be reshaped into a generally circular form in order to receive and / or support a prosthetic heart valve. The annuloplasty ring may be configured to have a generally D-shaped configuration when initially implanted to correct native valve function, but to assume a generally circular form when subjected to an outward force such as that provided by a dilation balloon.
Owner:EDWARDS LIFESCIENCES CORP
Methods and devices for improving mitral valve function
InactiveUS20060241340A1Function increaseSuture equipmentsHeart valvesMitral valve functionHeart chamber
Owner:EDWARDS LIFESCIENCES LLC
Devices and methods for reducing cardiac valve regurgitation
The present invention relates to devices and methods for improving the function of a defective heart valve, and particularly for reducing regurgitation through an atrioventricular heart valve—i.e., the mitral valve and the tricuspid valve. For a tricuspid repair, the device includes an anchor deployed in the tissue of the right ventricle, in an orifice opening to the right atrium, or anchored to the tricuspid valve. A flexible anchor rail connects to the anchor and a coaptation element on a catheter rides over the anchor rail. The catheter attaches to the proximal end of the coaptation element, and a locking mechanism fixes the position of the coaptation element relative to the anchor rail. Finally, there is a proximal anchoring feature to fix the proximal end of the coaptation catheter subcutaneously adjacent the subclavian vein. The coaptation element includes an inert covering and helps reduce regurgitation through contact with the valve leaflets.
Owner:EDWARDS LIFESCIENCES CORP
Stem cell therapy for cardiac valvular dysfunction
InactiveUS20080050347A1Raise transfer toReduce needBiocidePeptide/protein ingredientsSexual dysfunctionTricuspid valve function
Disclosed are methods, compounds and compositions useful for treatment of a patient with valvular dysfunction. The invention relates to using stem cells, modified stem cells, derivatives thereof, and agents stimulatory to stem cells in order to substantially ameliorate, and in some cases induce a therapeutic benefit, to a patient suffering from a dysfunction of the mitral, aortic, tricuspid, or pulmonary valve. In some embodiments the invention treats the valve dysfunction itself, whereas in other embodiments treatment of associated cardiac structures is performed. Furthermore, in other embodiments the invention permits physiological compensation for the valve dysfunction, prolonging the time until surgical intervention is needed.
Owner:MEDISTEM LAB
Devices and a Kit for Improving the Function of a Heart Valve
ActiveUS20080208330A1Efficient use ofReduce riskBone implantAnnuloplasty ringsVALVE PORTHeart valve function
A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a second loop-shaped support, which is configured to abut a second side of the heart valve opposite to said first side, whereby a portion of the valve tissue is trapped between the first and second supports. An outer boundary of the second support is greater than an outer boundary of the first support.
Owner:MEDTENTIA INT LTD OY
Heart valve repair devices for placement in ventricle and delivery systems for implanting heart valve repair devices
ActiveUS20150374493A1Easy to ejectSurgical needlesAnnuloplasty ringsApplicator TubeHeart valve repair
Devices and methods for the repair of the functioning of heart valves are provided. A device may comprise a ventricular winding having a generally spiral shape, wherein the device is free of any atrial stabilizing section. A method involves positioning the device such that chords associated with the heart valve are positioned within the path of the generally spiral shape of the ventricular winding and turning the ventricular winding such that the chords move closer to the center of the ventricular winding. The ventricular winding draws the chords closer together, thereby pulling the valve leaflets closer together in order to facilitate their coaptation and proper closing. A delivery system for maneuvering and releasing a heart valve repair device comprises an applicator tube and internal rod.
Owner:MITRALIX
Methods and devices for modulation of heart valve function
Methods and devices for modulating heart valve function are provided. In the subject methods, a heart valve is first in structurally modified. Blood flow through the structurally modified heart valve is then monitored, and the heart is paced in response to the monitored blood flow. Also provided are devices, systems and kits that find use in practicing the subject methods. The subject methods find use in a variety of applications.
Owner:ST JUDE MEDICAL CARDILOGY DIV INC
Prosthetic insert for improving heart valve function
A device and methods for improving the function of a heart valve, such as an aortic valve, is disclosed. In one embodiment, the device includes an insert member configured for insertion between leaflets of an aortic valve. The insert member preferably includes three radial arms extending outwardly from a central portion. The device also includes an anchoring member which is coupled to the insert member and configured for maintaining the insert member within the heart valve. In operation, each of the arms fills gaps between heart valve leaflets, thereby minimizing or preventing regurgitation through the heart valve.
Owner:EDWARDS LIFESCIENCES CORP
Systems and methods for placing a coapting member between valvular leaflets
The present invention relates to devices and methods for improving the function of a defective heart valve, and particularly for reducing regurgitation through an atrioventricular heart valve—i.e., the mitral valve and the tricuspid valve. For a tricuspid repair, the device includes an anchor deployed in the tissue of the right ventricle, in an orifice opening to the right atrium, or anchored to the tricuspid valve. A flexible anchor rail connects to the anchor and a coaptation element on a catheter rides over the anchor rail. The catheter attaches to the proximal end of the coaptation element, and a locking mechanism fixes the position of the coaptation element relative to the anchor rail. Finally, there is a proximal anchoring feature to fix the proximal end of the coaptation catheter subcutaneously adjacent the subclavian vein. The coaptation element includes an inert covering and helps reduce regurgitation through contact with the valve leaflets.
Owner:EDWARDS LIFESCIENCES CORP
Prosthetic heart devices having diagnostic capabilities
A prosthetic device for implanting in a patient's heart includes (i) a therapeutic device capable of restoring function to a native heart valve; and (ii) at least one sensor including a body, an inductor coil disposed within the body, and a capacitor in communication with the inductor coil, the at least one sensor being coupled to the therapeutic device, and being configured to monitor proper function of the therapeutic device within the patient's heart.
Owner:ST JUDE MEDICAL CARDILOGY DIV INC
Heart band with fillable chambers to modify heart valve function
Owner:COMPASS CONSULTING INT CORP
Device and Method for Improving the Function of a Heart Valve
InactiveUS20080109075A1Easy to doImproved heart valve functionAnnuloplasty ringsTubular organ implantsAbutmentCommissure
A device for improving the function of a heart valve has a first and a second shape. The device comprises two contact points, wherein the device in the first shape exhibits a distance between the two contact points essentially corresponding to a distance between two commissures of the heart valve and the device in the second shape exhibits an increased distance between the contact points. The device is in the first shape arranged for insertion to the heart valve to establish a contact between the contact points and the commissures. The device is transferable from said first shape to said second shape, and the device is in the second shape arranged for extending in abutment with valve tissue throughout a cycle of heart action. The device may change the shape of the heart valve by stretching it between the commissures for improving the ability of the heart valve to close.
Owner:MEDTENTIA INT LTD OY
Heart band with fillable chambers to modify heart valve function
The present invention relates to an external heart device, having a layered band dimensioned to be received around a patient's heart, which also includes at least one fillable chamber between the layers in the band that functions to apply localized pressure to the outside of the heart when filled. More particularly, the fillable chambers are positioned such that they exert an inward radial force on a heart valve. Areas between the fillable chambers may also be sized and positioned to form a bridge of little to no pressure over the vascular structures of the heart.
Owner:MUPPIRALA GOPAL
System For Improving The Function Of A Heart Valve
Owner:MEDTENTIA INT LTD OY
Device and Method For Improving Function Of Heart Valve
ActiveUS20120316643A1Easy and durable fixation to the valve annulusBone implantAnnuloplasty ringsFlangeLoop shaping
A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a first flange unit being connected to said first loop-shaped support. The flange unit is configured to be arranged against said annulus when said first loop-shaped support is abutting said heart valve.
Owner:MEDTENTIA INT LTD OY
Device And Method For Improving The Function Of A Heart Valve
ActiveUS20100331973A1Easy to insertReliable and more easily accomplishedAnnuloplasty ringsShape changeBiomedical engineering
A device for improving the function of a heart valve comprises: a support member formed from a shape memory material, and a restraining member providing a restraining action on a course of the support member. The support member may abut one side of the valve conforming to the shape of the valve annulus upon said shape memory material assuming an activated shape while the restraining member restrains the course of the support member. The restraining action is removable for allowing the support member to assume a desired, altered course. The restraining member may be biodegradable to be degraded within a patient or may be detachable from the support member to be withdrawn. The support member according to another embodiment presents a shape change in that an increased cross-section is associated with a shortened length of the support member. The support member according to yet another embodiment has a first and a second activated shape.
Owner:MEDTENTIA INT LTD OY
Device and method of treating heart valve malfunction
ActiveUS20140142687A1Improve permeabilityRemove complicationsSuture equipmentsHeart valvesHeart chamberMitral valve leaflet
An assembly and method for treating heart valve malfunction including mitral regurgitation wherein an elongated chord is movably disposed within an introductory sheath and an anchor is secured to a distal end thereof. The sheath and the chord are introduced into the heart chamber and penetrate and pass through the anterior mitral valve leaflet and preferably through the mitral valve orifice. The sheath and the chord are then extended transversely across the heart chamber and the distal end of the chord is anchored to an opposing portion of the heart wall. The sheath is withdrawn back along the length of the anchored chord through the anterior mitral valve leaflet and the proximal end of the chord is secured to the valve leaflet. The chord is secured under sufficient tension to maintain an intended positioning of the valve leaflet to overcome mitral regurgitation.
Owner:CORQUEST MEDICAL
Translumenal apparatus, system, and method
Methods, apparatus, and systems for altering the configuration of a heart valve. Methods, apparatus, and systems include the use of a cord delivered into the heart by a delivery catheter that can be manipulated by a receiving catheter so as to improve the heart valve function.
Owner:BOSTON SCI SCIMED INC
Methods and devices for modulation of heart valve function
Methods and devices for modulating heart valve function are provided. In the subject methods, a heart valve is first in structurally modified. Blood flow through the structurally modified heart valve is then monitored, and the heart is paced in response to the monitored blood flow. Also provided are devices, systems and kits that find use in practicing the subject methods. The subject methods find use in a variety of applications.
Owner:ST JUDE MEDICAL CARDILOGY DIV INC
Bicuspid valve dissection device
ActiveUS20190029790A1Low profileConducive to minimally-invasive and percutaneous delivery methodBalloon catheterIncision instrumentsRepair heartProsthesis
The invention is a device, system, and method for repairing heart valve function, which may include bisecting native valve leaflets for improved deployment of a prosthetic heart valve in the native valve annulus. The invention may include a catheter having a cutting element shaft with a cutting element configured to puncture a valve leaflet and / or make a controlled cut through the leaflet. The device may have an extendable foot configured to be positioned on an opposite side of the valve leaflet from the cutting element shaft. The device may include magnets to guide the cutting element and / or cutting element shaft in proper alignment with the extendable foot and to hold the elements in place during leaflet bisection.
Owner:EDWARDS LIFESCIENCES CORP
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