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753 results about "Device prosthetic" patented technology
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Artificial substitute for a missing body part or function
Apparatus and method for replacing a cardiac valve
An apparatus for replacing a cardiac valve having at least two native valve leaflets includes an expandable support member with oppositely disposed first and second ends and a main body portion extending between the ends. The first and second ends respectively include a plurality of upper and lower wing members respectively having first and second magnetic components. The wing members extend from the main body portion and are spaced circumferentially thereabout. Secured within the main body portion is a prosthetic valve having at least two valve leaflets. The second end further includes at least two strut members spaced apart from each other and attached to at least one commissural section of the prosthetic valve. The magnetic components are magnetically attracted to one another so that, when the apparatus is placed in the valve annulus, the wing members are pulled toward one another to secure the prosthetic valve in the annulus.
Owner:THE CLEVELAND CLINIC FOUND
Aortic prosthetic devices
ActiveUS7429269B2Reduced permanent pressure lossReasonable hemodynamic profileStentsHeart valvesSystoleProsthesis
A prosthetic device is provided for treatment of an aortic valve, having a compressed state for transarterial delivery and being expandable to an expanded state for implantation. The device includes an expandable support implantable in the expanded state of the prosthetic device in an aortic annulus, and an inner envelope having an upstream portion that lines the inner surface of the support, and a downstream portion which, when the prosthetic device is in the expanded state, extends into an aorta and defines a diverging conical section having a diameter that gradually increases from an upstream end of the section to a downstream end of the section. The section is configured to produce, during systole, a non-turbulent blood flow into the aorta with pressure recovery at the downstream end of the section. Other embodiments are also described.
Owner:MEDTRONIC VENTOR TECH
Personal fit medical implants and orthopedic surgical instruments and methods for making
InactiveUS20070118243A1Minimizing Ni toxicityImprove visualizationElectrotherapyMechanical/radiation/invasive therapiesPersonalizationManufacturing technology
The present invention provides methods, techniques, materials and devices and uses thereof for custom-fitting biocompatible implants, prosthetics and interventional tools for use on medical and veterinary applications. The devices produced according to the invention are created using additive manufacturing techniques based on a computer generated model such that every prosthesis or interventional device is personalized for the user having the appropriate metallic alloy composition and virtual validation of functional design for each use.
Owner:VANTUS TECH CORP
Prosthetic valve devices and methods of making such devices
Prosthetic valve devices for implantation in body vessels, and methods of making same, are provided. The device has a main body with first and second ends and defining a lumen, with the second end being inverted into the lumen. A valve is disposed at the second end. In multiple valve devices, valves are disposed at the first and second ends, and individually may be inverted into the lumen. The prosthetic valve devices may further include a support structure such as a stent. Methods of making a prosthetic valve device include providing a main body having first and second ends and defining a lumen, forming a valve at the second end, and inverting the second end into the lumen. Methods may further comprise forming multiple valves and may also include attaching a support structure.
Owner:COOK MEDICAL TECH LLC
Implantable prosthetic devices particularly for transarterial delivery in the treatment of aortic stenosis, and methods of implanting such devices
ActiveUS20060259134A1Reduce the possibilityReduced permanent pressure lossStentsHeart valvesSystoleProsthetic valve
Prosthetic devices as described for use in the treatment of aortic stenosis in the aortic valve of a patient's heart, the prosthetic device having a compressed state for transarterial delivery and being expandable to an expanded state for implantation. The prosthetic device includes an expandable metal base (10) constructed so as to be implantable in the expanded state of the prosthetic device in the aortic annulus of the aortic valve; and an inner envelope lining (11) tune inner surface of the metal base (10). The inner envelope, in the expanded state of the prosthetic device, extends into the aorta and is of a diverging conical configuration, in which its diameter gradually increases from its proximal end within the aortic annulus to its distal end extending into the aorta, such as to produce, during systole, a non-turbulent blood flow into the aorta with pressure recovery at the distal end of the inner envelope. Preferably, the distal end includes a prosthetic valve which is also concurrently implanted, but such a prosthetic valve may be implanted separately in the aorta Also described are preferred methods of implanting such prosthetic devices.
Owner:MEDTRONIC VENTOR TECH
Prosthetic valve devices and methods of making such devices
Prosthetic valve devices for implantation in body vessels, and methods of making same, are provided. The device has a main body with first and second ends and defining a lumen, with the second end being inverted into the lumen. A valve is disposed at the second end. In multiple valve devices, valves are disposed at the first and second ends, and individually may be inverted into the lumen. The prosthetic valve devices may further include a support structure such as a stent. Methods of making a prosthetic valve device include providing a main body having first and second ends and defining a lumen, forming a valve at the second end, and inverting the second end into the lumen. Methods may further comprise forming multiple valves and may also include attaching a support structure.
Owner:COOK MEDICAL TECH LLC
Prosthetic repair fabric
InactiveUS6258124B1Promoting enhanced tissue ingrowthControl incidenceDiagnosticsLigamentsProsthesisSpermatic cord
A prosthetic repair fabric and method for repairing an inguinal hernia in the inguinal canal. The prosthesis including a layer of mesh fabric that is susceptible to the formations of adhesions with sensitive tissue and organs, and a barrier layer that inhibits the formation of adhesions with sensitive tissue and organs. The mesh fabric including a medial section and a lateral section that are configured to be positioned adjacent the medial corner and the lateral end of the inguinal canal, respectively, when the prosthesis is placed in the inguinal canal to repair the defect. The barrier layer is positioned on the mesh fabric to inhibit the formation of adhesions between the spermatic cord and the mesh fabric. At least a portion of the lateral section of the mesh fabric is free of the barrier layer on both of its sides to promote enhanced tissue ingrowth therein. The barrier layer may include at least one flap that is to be folded through the mesh fabric to isolate the spermatic cord from internal edges of the fabric when the spermatic cord is routed through the prothesis.
Owner:CR BARD INC
Prosthetic hip joint having sintered polycrystalline diamond compact articulation surfaces
InactiveUS6290726B1Improve wear resistanceReduce coefficient of frictionFinger jointsWrist jointsArticular surfacesProsthesis
Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for manufacturing and finishing the same, and related information are disclosed, including a prosthetic hip joint having sintered polycrystalline diamond articulation.
Owner:DIAMICRON
Techniques for percutaneous mitral valve replacement and sealing
Apparatus is described for use with a native heart valve of a subject, the apparatus including (1) a prosthetic valve support, comprising an upstream support portion, the upstream support portion having (a) a compressed configuration and an uncompressed configuration in which the upstream support portion has an inner perimeter that defines an opening; and (2) a prosthetic valve, advanceable into the opening defined by the upstream support portion, and intracorporeally couplable to the upstream support portion by being expanded within the opening defined by the upstream support portion, the apparatus being configured such that, when the prosthetic valve is expanded within the opening defined by the upstream support portion, the expansion of the prosthetic valve is restricted by the inner perimeter of the upstream support portion, without causing the prosthetic valve support to apply a radially-expansive force to the native annulus. Other embodiments are also described.
Owner:CARDIOVALVE LTD
Implantable prosthesis
InactiveUS6610006B1Reduce the possibilityReduce postoperative painDiagnosticsLigamentsRepair siteIntraabdominal pressure
An implantable prosthesis for repairing an anatomical defect, such as a soft tissue and muscle wall defect. The prosthesis is configured to reduce the likelihood that an applied force at the repair site, such as due to intraabdominal pressure or tissue shrinkage, can lead to detrimental effects associated with tension at the anchoring locations between the prosthesis and host tissue and / or contraction of the prosthesis. In this regard, the prosthesis may be configured to limit the amount of tension at the anchoring locations caused by the application of a force or pressure to the prosthesis and / or contraction of the prosthesis. Alternatively, the prosthesis may be configured to compensate for contraction of the prosthesis due to tissue shrinkage at the repair site. The prosthesis may be configured to both limit tension at the anchoring locations and compensate for tissue shrinkage. The prosthesis may facilitate a reduction in postoperative discomfort, a recurrence of the defect, or the creation of a new defect associated with tension and / or prosthetic contraction.
Owner:CR BARD INC
Diamond-surfaced cup for use in a prosthetic joint
InactiveUS6488715B1Improve wear resistanceReduce coefficient of frictionFinger jointsWrist jointsArticular surfacesSacroiliac joint
Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for manufacturing and finishing the same, and related information are disclosed, including a diamond-surfaced cup for use in a prosthetic joint.
Owner:DIAMICRON
Orthopedic and dental implant devices providing controlled drug delivery
Implantable prosthetic devices are provided for controlled drug delivery, for orthopedic and dental applications. The device may include a prosthetic device body having at least one outer surface area; two or more discrete reservoirs located in spaced apart positions across at least a portion of the outer surface area, the reservoirs formed with an opening at the surface of the device body and extending into the device body; and a release system disposed in the reservoirs which comprises at least one therapeutic or prophylactic agent, wherein following implantation into a patient the therapeutic or prophylactic agent is released in a controlled manner from the reservoirs. The prosthetic device body preferably is a joint prosthesis or part thereof, such as a hip prosthesis, a knee prosthesis, a vertebral or spinal disc prosthesis, or part thereof. Optional reservoir caps may further control release kinetics.
Owner:MICROCHIPS INC
Devices, systems and methods for delivering a prosthetic mitral valve and anchoring device
Prosthetic mitral heart valves and anchors for use with such valves are provided that allow for an improved implantation procedure. In various embodiments, a helical anchoring device is formed as a coiled or twisted anchor that includes one or more turns that twist or curve around a central axis. Curved arms attached to the frame of the valve guide the helical anchoring device into position beneath the valve leaflets and around the mitral valve annulus as it exits the delivery catheter, and the expandable prosthetic mitral valve is held within the coil of the anchoring device. The anchoring device and the valve can be delivered together, simplifying the valve replacement procedure.
Owner:MITRAL VALVE TECHNOLOGIES SARL
Electronically controlled prosthetic system
InactiveUS20090030530A1Energy return is optimizedImprove securityDiagnostic recording/measuringSensorsEngineeringDevice prosthetic
A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing.
Owner:MARTIN JAMES J
Personalized fit and functional designed medical prostheses and surgical instruments and methods for making
ActiveUS8457930B2Simple designFast learningMedical simulationAdditive manufacturing apparatusCamMedical treatment
Owner:SCHROEDER JAMES
Height adjustable spinal prostheses
Dimensionally adjustable spinal prostheses are adjustable in an axial or superior to inferior dimension such that spinal prostheses may assume variations in height. The height adjustable spinal prostheses are characterized by first and second portions that are configured for adjustable coupling with one another. Spatial adjustment between the first and second portions is provided by an adjustment assembly. The adjustment mechanism preferably, but not necessarily, provides infinite adjustment over a minimum prosthesis height to a maximum prosthesis height. In one form, first and second ends of the height adjustable spinal prostheses are configured to receive an endplate. The endplates aid in attachment and / or anchoring of the spinal prosthesis within the spine. The endplates may be fashioned in various configurations such as circular or anatomical. In one form, the adjustment assembly utilizes rotational motion for varying the axial position of one prosthetic portion relative to the other prosthetic portion. Rotational movement of an adjustment mechanism of the adjustment assembly is translated into axial movement of one prosthetic portion relative to the other prosthetic portion. In another form, the adjustment mechanism is a screw and gearing assembly. In yet another form, the adjustment mechanism is a rack and pinion assembly.
Owner:LIFE SPINE INC
Adjustable prosthesis
InactiveUS20100274364A1Improve comfortInhibits and eliminates problemPerson identificationSensorsEngineeringResidual limb
A prosthesis system includes a reconfigurable socket. The socket changes configurations to adjust the socket fit. The socket includes a socket main body with a window and a panel positioned in the window. The panel and the socket main body cooperate to define a cavity for receiving a residual limb. A lacing system is coupled to both the socket main body and the panel and moves the panel with respect to the socket main body to adjust a volume of the cavity. A tensioning mechanism holds the lacing system to position the adjustment panel. The prosthesis system also allows for the escape of moisture from within the cavity.
Owner:CADENCE BIOMEDICAL
Electronically controlled prosthetic system
InactiveUS7029500B2Function increaseImprove securityArtificial legsArtificial handsEngineeringDevice prosthetic
Owner:MARTIN JAMES JAY
Electronically controlled prosthetic system
A prosthetic joint system for users comprising a housing having an interior cavity, a center axis in said interior cavity, and an attachment means for fixedly connecting said housing to said user; an inner cylinder disposed in said housing interior cavity wherein said inner cylinder rotates around said center axis of said housing; an appendage attached to said inner cylinder; a sensor system attached to said appendage; and a dampening system, having a power source, in communication with said sensor system, said inner cylinder, and said housing for controlling dampening of the rotation of said inner cylinder around said center axis of said housing.
Owner:MARTIN JAMES JAY
Integrated prosthetic assembly
InactiveUS20050187635A1Improve efficiencyReduce frictionLigamentsJoint implantsJoint componentProsthesis
An integrated prosthetic assembly for implanting a prosthetic joint between two bones and including at least one ligament graft. The assembly includes a plurality of joint components, a plurality of base components, and at least one drill guide keyed to one of the base components at a predetermined angle for forming a predetermined tunnel in one of the bones.
Owner:BIOMET MFG CORP
Multiple Branch Tubular Prosthesis and Methods
A tubular prosthesis having an opening formed in a side wall thereof is positioned in a first passageway in a human body with the opening facing and providing fluid flow to a first branch passageway that branches from the first passageway. A portion of the prosthesis that is in the vicinity of the juncture between the first passageway a second branch passageway is located and a second opening is formed in the located portion of the prosthesis so that the second opening faces the second branch passageway. In another embodiment, a tubular prosthesis is endovascularly delivered and positioned in a first passageway in a human body in the vicinity of a second passageway that branches from the first passageway. An imaging device, which is positioned in the prosthesis, locates the juncture between the first passageway and the second passageway after which a piercing member is advanced from the imaging device to a portion of the prosthesis adjacent to the juncture to form an opening in that portion of the prosthesis.
Owner:MEDTRONIC VASCULAR INC
Vacuum assisted heat/perspiration removal system and limb volume management for prosthetic device
InactiveUS20070055383A1Reduce relative motionEasy to hangTherapeutic coolingTherapeutic heatingVacuum assistedPerspiration
The vacuum assisted liner system is for use with a prosthetic device to be attached to a residual limb. The liner system includes a hypobaric prosthetic liner, and a porous wicking material layer to surround at least a portion of the residual limb and define a regulated vacuum environment between the hypobaric prosthetic liner and the residual limb. The hypobaric prosthetic liner has at least one passageway therethrough defining at least one vacuum port, such as an inlet port and outlet port, in fluid communication with the regulated vacuum environment. Internal liner passageways may connect the inlet and outlet ports to the regulated vacuum environment. A vacuum regulation device may include an electric vacuum pump or a motion activated pump connected to the outlet port.
Owner:KING CHARLES
Anchoring barb for attachment to a medical prosthesis
ActiveUS20050240259A1Limited extentLimit longitudinal movementStentsBlood vesselsThin layerSpot welding
Disclosed is an anchoring element for an implantable prosthesis that includes a barb, wherein the anchoring element, which includes a basal portion, comprises a thin layer of material, such as a cannula or sheet of metal, that extends or wraps at least partially around the strut of the prosthesis to which it is attached. The barb is configured to extend outward from the basal portion to penetrate adjacent tissue. The anchoring element is either permanently affixed to the strut, such as by laser or spot welding, crimping, or some other method of bonding, or allowed to slide longitudinally over the strut between two points or stops in order to relieve any excessive loads placed upon the barb that could cause fracture. The anchoring element and strut may be configured to limit axial rotation of the barb, while still allowing longitudinal movement. In another embodiment, the slidable anchoring element may be manipulated following initial deployment to reorient the barb toward the implantation site.
Owner:COOK MEDICAL TECH LLC
Prosthetic device
Owner:DSM IP ASSETS BV
Spacer element for prosthetic and orthotic devices
ActiveUS20070185425A1Reduce the impactMinimizing rotational forceSynthetic resin layered productsNon-surgical orthopedic devicesProsthesisEngineering
An orthotic or prosthetic spacer element including a ventilated and compressible core having first and second opposed surfaces, and a discrete and continuous web-like silicone-based frictional layer secured to the core first surface. The frictional layer and the core first surface have a plurality of coinciding apertures formed in a pattern. The spacer element may include a foam layer secured to the core second surface such that the foam layer and the core have different rigidities. A layer of hook-receivable material may be directly or indirectly secured to the second core surface.
Owner:KAUPTHING BANK
System and method for motion-controlled foot unit
A system and method associated with the movement of a limb. In one example, the system, such as a prosthetic or orthotic system, includes an actuator that actively controls, or adjusts, the angle between a foot unit and a lower limb member. A processing module may control movement of the actuator based on data obtained from a sensor module. For instance, sensing module data may include information relating to the gait of a user and may be used to adjust the foot unit to substantially mimic the movement of a natural, healthy ankle. The system may further accommodate, for example, level ground walking, traveling up / down stairs, traveling up / down sloped surfaces, and various other user movements. In addition, the processing module may receive user input or display output signals through an external interface. For example, the processing module may receive a heel height input from the user.
Owner:OSSUR HF
Prosthetic leg having electronically controlled prosthetic knee with regenerative braking feature
InactiveUS20070050044A1Absorb energyAugment other portionArtificial legsRegenerative brakeElectronic control system
A prosthetic leg having an electronically controlled regenerative prosthetic knee. In certain embodiments of the present invention the knee may be passive, whereby it is used only to generate electrical energy. In other embodiments, the knee may be active, whereby it can be used to assist with or completely control gait, as well as to generate electrical energy. The knee makes use of an actuator motor / generator to control gait and / or to generate electrical energy. An electronic control system is provided to control overall operation of the prosthetic leg, to distribute generated electrical energy, and to transfer excess electrical energy to one or more storage devices for later use. A prosthetic leg of the present invention having an active prosthetic knee may be especially helpful in assisting an amputee with activities that impart a high torque load to the knee joint.
Owner:WILLOWWOOD GLOBAL LLC
Medical Device installation tool and methods of use
Methods and devices for implanting a prosthetic device, such as an artificial spinal implant, are provided. The installation tool can include a handle having a pair of opposed levers, an optional pusher block disposed between the levers, and a shaft at least partially disposed within the handle and able to be coupled to the pusher block and / or to a prosthetic device. As the shaft translates along a longitudinal axis of the installation tool, the pusher block and / or the prosthetic device separate the levers and distract adjacent vertebral bodies to position a prosthetic device therebetween. The tool is able to maintain its an overall length during use, and it can be configured in rotation and / or translation modes.
Owner:DEPUY SPINE INC (US)
Prosthetic foot with rocker member
InactiveUS20050137717A1Easy introduction intoEasy to removeArtificial legsPhysical medicine and rehabilitationCantilever
A prosthetic foot comprises a foot member, a rocker member connected in cantilever fashion to the foot member, and an ankle module movably connected to the rocker member about an axis, wherein an anterior section of the rocker member is configured to roll-up onto the foot member an amount corresponding to the load applied on the foot, and wherein the foot member is configured to facilitate the initial roll-up of the rocker member.
Owner:GRAMTEC INNOVATION +1
Systems and methods for adjusting the angle of a prosthetic ankle based on a measured surface angle
System and method for adjusting the angle of a prosthetic ankle are disclosed. In one example, the system, such as an actuated prosthetic ankle joint, detects the surface angle and actively adjusts the members of the ankle to a preferred angle according to the respective slope of the incline / decline.
Owner:OSSUR HF
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