Segmented suture guides on a central hub enable running sutures and easy release, resolving interference with circumferential flanges.
Dynamic collapsible elements conform to irregular calcified valve annuli, eliminating paravalvular leakage gaps that rigid outer skirts cannot bridge.
A transcatheter delivery system reshapes the valve annulus through symmetrical cinching of tensioned implant members.
A segmented annuloplasty ring expands through a catheter to restore valve anatomy, reducing regurgitation without open heart surgery risks.
Reduced axial length prosthetic valves use ventricular and atrial anchors to minimize protrusion into heart chambers during implantation.
A titanium annuloplasty ring uses a waveform contour to adapt to dynamic cardiac motion.
Rotating corkscrew anchors attach annuloplasty rings to cardiac tissue, reducing mitral valve regurgitation without compressing the circumflex artery.
Rotating the anchor around native chordae secures the prosthetic valve while minimizing invasiveness.
Resilient followers capture valve leaflets while deforming to follow opening motion, avoiding bulky static clamps.
Acellular extracellular matrix cardiovascular prostheses promote tissue regeneration while reducing thrombosis and intimal hyperplasia.
Variable elasticity segments match native tissue expansion, resolving support versus compliance trade-offs.
Flexible membrane covering reduces fibrotic tissue reactions while porous metal mesh prevents blood stasis and thrombosis.
A winch-based annuloplasty ring enables post-operative dimension adjustment to resolve residual valvular insufficiency or stenosis risks.
A subannular support structure repositions mitral valve leaflets to improve coaptation and reduce regurgitation without open surgery.
Manual plastic deformation of a flexible gauge resolves rigid template inaccuracies, enabling precise size determination and faster surgical reconstruction.
Nested shafts and compression members enable precise in situ size adjustments of annuloplasty rings while preventing inadvertent rotation.
An intra-annular hemispherical mounting frame matches three-dimensional valve anatomy to prevent cusp distortion and recurrent insufficiency.
A heat-set mesh belt cinches the tricuspid annulus while distributing force to prevent coronary compression.
Adjustable segmented catheter reconstructs heart valve annulus without altering stent shape.
A catheter-guided tensioning element applies selective force to the atrioventricular groove to reshape the valve annulus.
Segmented anchoring and sealing structures enable reliable percutaneous mitral valve replacement while preserving left ventricular geometry.
Superelastic nitinol arms resist plastic deformation during deployment, ensuring reliable mitral valve fixation.
A predisposed annulus patch prevents implant migration and tissue damage during valve repair by providing a reinforced interface for anchor elements.
An implantable mitral valve apparatus uses dual rotatable adjusting mechanisms to dynamically contract the annuloplasty ring perimeter and tension.
An aortic valve device with a tenting element pushes the anterior leaflet to reduce mitral regurgitation without invasive surgery.
Segmenting the support ring into semi-rigid and deformable sections preserves radial compliance while preventing annular dilation.
A helical tissue anchor secures valve-repair implants to heart tissue using a distal screw element and proximal post.
An asymmetric mitral valve stent anchors via a self-folding native leaflet engagement member, preventing left ventricular outflow tract obstruction.
An adjustable annuloplasty ring uses shape memory materials to transition from a flexible insertion geometry to a rigid operable state for secure valve anchoring.
Segmenting the annuloplasty ring into discrete anchors reduces scar tissue formation while enabling minimally invasive percutaneous repair.
Nested catheters and steerable manipulators deploy anchors to tighten the mitral annulus while minimizing tissue damage.
Segmented stent rigidity adapts the sealing section to asymmetric mitral annuli, resolving leakage risks while maintaining structural integrity.
Shape memory frameworks anchor to irregular mitral annuli, reducing surgical invasiveness while restoring physiological function.
Radially and axially resilient elongate support eliminates complex sutures, reducing surgery time and implant damage risk.
An adjustable transcatheter device supports valve leaflets to promote closure, reducing surgical risks associated with traditional open-heart interventions.
Separable pads on a flexible band anchor artificial cords to prevent knot slippage and ensure accurate length determination.
A pivoting heart valve delivery system uses a buckle member and axially translatable post to secure the replacement valve during percutaneous insertion.
A pivotable sewing ring pivots outward from a stent to isolate tissue leaflets during implantation.
Varying the minor to major axis ratio across ring sizes corrects mitral regurgitation in larger patients by accommodating floppy leaflet pathologies.
Reference elements extend within the annuloplasty lumen to determine neocord length and provide secure attachment points, eliminating knot slippage risks.
Percutaneous mitral valve annuloplasty reshapes the coronary sinus using twisted anchors, reducing surgical risks for frail patients.
Integrated retention units on an annuloplasty implant provide secure fixation, reducing procedural time and risk associated with complex suturing devices.
A ring-shaped device translocates the native mitral valve toward the heart apex to restore function while preserving chordae tendineae.
Radially diverging struts pull vessel walls inward to approximate valve leaflets.
An expandable intraannular band reshapes the mitral annulus to improve leaflet coaption, reducing surgical invasiveness compared to traditional open repair.
A tricuspid annuloplasty ring uses a hollow tube with exterior cutouts to provide structural flexibility for minimally invasive delivery.
A tissue anchor shifts between insertion and engagement configurations to secure implantable devices within soft biological tissue.
A flexible elongated implant forms a closed loop to encircle heart valve tissue structures.
Fixation means bundle strip tips to prevent uncontrolled expansion and myocardium damage during atrial positioning.
Blood-filled pockets in the rim section enhance coaptation without obstructing the aortic outflow tract or requiring invasive surgery.