Abstract:
A self-adjusting device configured to be placed in contact with tissue/organ and apply mechanical force to the tissue/organ to achieve an improvement of functioning of the tissue/organ The self-adjusting capabilities can be carried out by three functional subsystems that can be packaged either in a single, integrated system or in separate modules. A sensing subsystem senses the tissue/organ and sends at least one type of sensing signal characteristic of functioning of the tissue/organ to a controlling subsystem The controlling subsystem processes the signal with an algorithm to determine if a configuration of the device needs to be changed or a force applied to the tissue/organ needs to be changed. An actuating subsystem can be controlled by the controlling subsystem to affect the configuration/force change when needed. A feedback loop is provided to keep the controlling subsystem up to date as to the state of the actuating subsystem.
Abstract:
A system for implanting a repair device onto a native valve of a natural heart to repair the native valve of a patient during a non-open-heart procedure. The system includes a base assembly having a plurality of pivoting links, a pair of paddles attached to the base assembly, a pair of gripping members attached to the base assembly, and at least one coaptation or spacer element disposed between the pair of gripping members. Movement of the pivoting links of the base assembly causes the paddles to move between an open position and a closed position. The paddles and the gripping members are configured to attach to valve leaflets of the patient. The coaptation or spacer element is configured to fill at least a portion of a gap between the valve leaflets of the patient.
Abstract:
The present subject matter describes a suturing ring (300) for a prosthetic heart valve. The suturing ring (300, 800) has a variable annular thickness reducing continuously from a mid-circumferential plane of the suturing ring (300, 800) towards a top peripheral edge (306, 806) and a bottom peripheral edge (308, 808) of the suturing ring (300, 800).
Abstract:
Soft tissue grafts, packaged soft tissue grafts, and methods of making and using soft tissue grafts are disclosed. One soft tissue graft includes processed tissue material having first and second opposed surfaces. The first and second opposed surfaces are bounded by first and second edges. The first edge has a concave shape that curves toward the second edge. The second edge has a convex shape that curves away from the first edge. The first surface comprises a plurality of apertures. At least one of the apertures is formed from a multi-directional separation in the first surface. One method of making a soft tissue graft includes positioning a cutting die on a surface of tissue material, pressing the cutting die into the tissue material to cut the tissue material, and processing the cut tissue material to create processed tissue material.
Abstract:
Provided is a system for creating an arteriovenous flow pathway in a patient, comprising: a vessel-to-vessel guidewire; a needle delivery device constructed and arranged to place the vessel-to-vessel guidewire from a starting vessel to a target vessel; a flow creation device constructed and arranged to be advanced over the vessel-to-vessel guidewire and to create a flow pathway between the starting vessel and the target vessel; and a stent for positioning in a vessel. At least one of the starting vessel or the target vessel is a vein, and the other of the starting vessel or the target vessel is an artery. The stent is constructed and arranged to be positioned in the vein and to at least one of prevent or treat venous stenosis.
Abstract:
Implantierbare Vorrichtung zur Verbesserung oder Behebung einer Herzklappeninsuffizienz umfassend einen Verschlußkörper und wenigstens ein daran befestigtes Verankerungselement (2), mit dem der Verschlußkörper im Herzen, bevorzugt dem Atrium des Herzens befestigbar ist und der Verschlußkörper wenigstens einen Hohlraum (6) umfasst, der nach Implantation des Verschlußkörpers mit einem Fluid füllbar ist, bevorzugt nicht selbsttätig entleerbar ist und weiter bevorzugt der Verschlußkörper durch die Füllung während der Herzphasen volumenkonstant expandiert bleibt, wobei mehrere Hohlräume (6) um einen in der Längserstreckungsrichtung des Verschlußkörpers liegenden Grundkörper (1) des Verschlußkörpers herum angeordnet sind oder ein einziger Hohlraum (6) einen in der Längserstreckungsrichtung des Verschlußkörpers liegenden Grundkörper (1) des Verschlußkörpers umgibt, wobei der Grundkörper (1) als ein aus seiner linearen Erstreckung herausbiegbares Rohr ausgebildet ist, in dessen Mantelfläche eine Vielzahl von Einschnitten eingebracht ist.
Abstract:
A multicomponent intraocular lens (201) implantable in an optical system of a human eye, comprising: a base component (220) and a front component (210), the front component comprising an attachment tab (212) which extends from a circumferential side of the optical portion (211) of the front component and engages the flange for attaching the front component to the base component, wherein the attachment tab of the front component comprises a resilient projection that protrudes away from the optical portion beyond the flange (228), wherein a portion of the resilient projection (212) is located at a non-overlapping position with respect to the haptic (222) of the base component in a circumferential direction around the optical portions, wherein the portion of the resilient projection has a back surface (213) which is located backwards from a front surface (230) of the haptic of the base component in the thickness direction of the base component.
Abstract:
본 발명에 따른 스텐트는 표면에 복수의 구멍이 형성되고, 내부에는 중공이 형성된 둘레부를 가지는 스텐트 본체 및 상기 스텐트 본체의 외주면 일측을 감싸도록 구비되는 커버부를 포함하고, 상기 스텐트 본체는 분지 도관에서 분비되는 체액이 상기 커버부의 외부로 상기 스텐트 본체의 길이 방향을 따라 유동할 수 있는 경로를 제공하는 외부유로가 형성된다.
Abstract:
An endoprosthesis, such as a stent, having anti-migration features. The endoprosthesis includes an expandable tubular framework including a plurality of strut rows and a plurality of connectors extending across interstices between adjacent strut rows and interconnecting adjacent strut rows. The strut rows have an outer diameter in an expanded state and the connectors extend radially outward beyond the outer diameter of the strut rows in the expanded state. The connectors are configured to engage a wall of a body lumen in the expanded state to inhibit migration of the endoprosthesis in the body lumen. The endoprosthesis may include a polymeric cover covering the strut rows and spanning the interstices between adjacent strut rows, while a space between the connectors and the strut rows to which the connectors are interconnected with is devoid of the polymeric cover to permit tissue ingrowth around the connectors.
Abstract:
A transcatheter valve prosthesis (100) includes an expandable tubular stent (102), a prosthetic valve within the stent, and an anti- paravalvular leakage component (330) coupled to and encircling the tubular stent. The anti-paravalvular leakage component includes a radially-compressible annular scaffold, which is a sinusoidal patterned ring of self-expanding material, and an impermeable membrane (340) extending over the annular scaffold (332). The anti-paravalvular leakage component has an expanded configuration in which at least segments of the annular scaffold curve radially away from the tubular stent. Alternatively, the anti-paravalvular leakage component includes a plurality of self-expanding segments and an annular sealing element coupled to inner surfaces of the segments. The anti- paravalvular leakage component has an expanded configuration in which the segments curve radially away from the tubular stent and the annular sealing element is positioned between an outer surface of the tubular stent and inner surfaces of the segments.