|| List of recent Prosthesis-related patents
A transcutaneous prosthesis which includes a first component shaped for implantation into a bone, a second component intended for location between the bone and the skin, the second component having a surface treatment for stimulation of fibroblastic cell proliferation and attachment of epithelial cells, and a third component intended for location exterior to the skin surface having a low surface energy which deters bacterial adhesion.. .
|Dual modulus hip stem and method of making the same|
An orthopaedic prosthesis for use in a hip replacement surgery. The orthopaedic prosthesis includes a metallic foam shell and a metallic core.
In a prosthetic ankle joint, a first component has a lower articular bearing surface and is configured for connection to the distal end of the tibia such that the lower articular bearing surface is remote from the tibia. A second component has an upper articular bearing surface and is configured for connection to the tarsal bone such that the upper articular bearing surface is remote from the tarsal bone.
|Prosthesis for cementless fixation|
A joint prosthesis system is suitable for cemented fixation. The system has two metal implant components and a bearing.
The present disclosure relates to a stemless shoulder prosthesis comprising a fixation device for fixing the prosthesis to a resected humerus bone, the fixation device comprising a base portion (11, 31, 32) and anchoring means (12, 12′), the base portion (11, 31, 32) having a distal side adapted to contact a resection plane of the bone and a proximal side for carrying a humeral head. The anchoring means (12, 12′) are connected to the distal side of the base portion (11, 31, 32) and adapted to fix the prosthesis to the bone.
|Intervertebral disc prosthesis and intervertebral prosthetic unit|
An intervertebral disc prosthesis (1) having at least one upper plateau (4, 4′) and at least one lower plateau (5, 5′), which are separated by two movable cores (6, 6′) whose lower face (62, 62′) and upper face (61, 61′) respectively match a concave surface (54, 54′) of the upper plateau (4, 4′) and a convex surface (44, 44′) of the lower plateau (5, 5′). An intervertebral prosthetic unit (10) is also described having an intervertebral disc prosthesis and a posterior articular prosthesis (11) provided with two adjacent and partially tangent articular blades (12, 13), which are each coupled to a vertebra (3, 3′) by coupling devices (14) and are connected by guide devices that allow them to move along a curve whose centre c3 is provided on the same side as the implantation of said coupling means..
|Facet joint replacement|
A prosthesis for the replacement of a diseased or traumatized facet of a mammalian vertebra includes a surface that articulates with another prosthetic facet or a natural facet, a portion that replaces at least a bony portion of the diseased or traumatized spine facet which is to be replaced, and an element to attach the prosthesis to the vertebra in a manner that does not require attachment to or abutment against the posterior arch. A method of installing the prosthesis includes the steps of resecting at least a portion of a facet and attaching the prosthesis in a manner that does not require attachment or abutment against the posterior arch..
A voice prosthesis device is disclosed that includes an improved fluid seal. The device includes a hollow cylindrical tube having flexible retainer flanges integrally formed over the open ends of the tube.
A description has been provided herein of an intrastromal segment especially designed for use as a prosthesis inside the corneal tunnel of patients suffering from keratoconus. The segment consists of a lengthened body of variable dimensions in the form of an arc with noticeably rounded ends, devoid of any communicating orifice, and endowed with a transverse section that may be triangular, trapezoidal, hexagonal or oval, with at least three marks connecting to the narrowest side for which two ends aid the safe handling of the segment and the mid-section mark serves as a positional reference point.
|Prostheses for ocular drug delivery and other treatments for glaucoma, macular degeneration, and other eye disorders or diseases|
A scleral prosthesis includes an elongated body that is narrower in a middle and wider at opposing first and second ends. The body includes multiple first portions that form the first end of the body, where the first portions separated lengthwise along the body.
|Visual prosthesis for control of spatiotemporal interactions|
In a visual prosthesis or other neural stimulator it is advantageous to provide non-overlapping pulses in order to provide independent control of brightness from different electrodes. Non-overlapping pulses on geographically close electrodes avoid electric-field interaction which leads to brightness summation or changes in the shape and area of percepts.
|Method and apparatus for hip replacements|
A hip replacement method in which includes making an anterior incision and a lateral incision proximate the hip joint. The method next includes preparing a femoral passage directed along an axis of the femoral neck of the femur.
|Evaluation of an implanted prosthesis|
Evaluating an implanted hearing prosthesis, including operating the implanted hearing prosthesis, capturing sound generated by a transducer of the prosthesis during said operation, and comparing the captured sound to a sound model.. .
|Method, transfer device and template body for producing a dental and/or bone prosthesis for a dentition|
Disclosed herein is a method for producing a dental and/or bone prosthesis for a dentition having a defect, comprising: determining the left and right direction point and an induction point of the upper jaw as three cranial reference points of the upper jaw and determining the left and right direction point and an induction point of the lower jaw as three cranial reference points of the lower jaw; creating a model of the defective dentition, one model half produced for the upper jaw and one model half produced for the lower jaw; identifying the three cranial reference points of the upper jaw on the upper jaw model half and identifying the three cranial reference points of the lower jaw on the lower jaw model half; arranging and fixing the upper jaw model half and the lower jaw model half relative to one another; forming the dental and/or bone prosthesis.. .
|Compressive dental implant|
The disclosure relates to dental implants. Specifically, the disclosure relates to a normal compressive, passive dental implant capable of reducing the negative impact of occlusal forces on the bone and the implant once a dental prosthesis is coupled onto the implant following osseointegration..
|Audio processing pipeline for auditory prosthesis having a common, and two or more stimulator-specific, frequency-analysis stages|
An audio processing pipeline, for an auditory prosthesis, includes: a common stage, including a common frequency analysis filter bank, configured to generate a common set of processed signals based on an input audio signal; and first and second stimulator-specific stages, responsive to the common set of signals and including first and second frequency-analysis filter banks, configured to generate first and second sets of processed signals adapted for the first and second hearing stimulators, respectively.. .
|Automated sound processor|
Disclosed are methods and apparatuses for optimizing which sound processing modes are enabled in the sound processing pathway of a hearing prosthesis. A sound processor classifies in the input signal and enables a first sound processing mode based on the classification of the input signal.
|Systems, methods, and articles of manufacture for configuring hearing prostheses|
The present application discloses systems, methods, and articles of manufacture for fitting a hearing prosthesis to a hearing prosthesis recipient. Some embodiments include generating a first set of two or more stimulation signals via a corresponding set of two or more channels of a hearing prosthesis, reducing the corresponding stimulation levels of the stimulation signals of the first set of two or more stimulation signals in response to receiving an indication that a sound sensation corresponding to the first set of two or more stimulation signals is uncomfortably loud, and generating a second set of one or more stimulation signals at the reduced stimulation levels via a first subset of one or more channels..
The intervertebral disc prosthesis comprises first and second plates (3, 4) designed to be attached on one of the two vertebrae adjacent to the intervertebral disc to be replaced, and a compression pad arranged between the first and second plates. Each plate comprises first attaching means including two attaching portions (14a, 14b) positioned symmetrically on either side of the anteroposterior median plane of said plate, second attaching means including two attaching portions (15a, 15b) positioned symmetrically on either side of a first plane inclined by an angle comprised between 50° and 70° relative to the anteroposterior median plane of said plate, and third attaching means opposite the second attaching means relative to the anteroposterior median plane and including two attaching portions (16a, 16b) positioned symmetrically on either side of a second plane inclined by an angle of approximately 90°, relative to the anteroposterior median plane of said plate..
|Attachment device and methods of using the same|
Devices for attaching a first mass and a second mass and methods of making and using the same are disclosed. The devices can be made from an resilient, elastic or deformable materials.
|Multi-layer vascular prosthesis|
A vascular prosthesis comprising a tubular support structure having an outer surface and an internal lumen therethrough, the support structure comprising a base material, which can comprise natural or synthetic materials, the internal lumen surface including an extracellular matrix (ecm) layer that includes at least one ecm material, wherein, when said vascular prosthesis is deployed proximate damaged cardiovascular tissue, the prosthesis induces modulated healing of the damaged tissue. In some embodiments, the support member outer surface also includes an ecm layer..
|Method and system for providing stimulation inputs to a visual prosthesis implant|
Stimulation inputs are provided to a visual prosthesis implant. The images captured by a video decoder are received and digitized to provide a plurality of video frames; integrity of the video frames is checked, the checked video frames are filtered, and the filtered video frames are converted to stimulation inputs.
|Prosthesis guide comprising patient-matched features|
Disclosed herein are systems, devices, and methods for guiding placement, orientation, and fixation of an orthopedic implant. Examples include a surgical guide having a first surface structured to fit within a prosthetic cup, at least one guide hole through the first surface, and an alignment structure having a contour formed from data indicative of the patient anatomy.
|Method of installing a final dental prosthesis|
A cradle, assembly, system and method for installing a prosthesis at a surgical site. The cradle temporarily engages the prosthesis and holds it in the correct orientation and position adjacent the surgical site.
|Cradle for positioning a final dental prosthesis and a system incorporating the same|
A cradle, assembly, system and method for installing a prosthesis at a surgical site. The cradle temporarily engages the prosthesis and holds it in the correct orientation and position adjacent the surgical site.
|Method and system for treating biological tissue|
A tissue prosthesis comprising a support structure having at least one surface, the support structure comprising a base material, the support structure further including an extracellular matrix (ecm) composition having at least one ecm material from a mammalian tissue source. The tissue prosthesis induces modulated healing of damaged biological tissue when deployed proximate thereto..
|Rapid identification of dental prostheses|
The invention provides ownership identification and manufacturing data of removable or fixed dental prostheses or appliances. This is achieved through the embedding of a unique high resolution 2d code and 5 digit alpha-numeric identification number printed with a high contrast ink on a translucent adhesive material.
|Joint prosthesis with polymeric articulation interface|
A hip arthroplasty prosthesis for treating a patient condition includes a stem portion configured to penetrate into the bone of a femur of the patient, and includes a head portion formed of a polymeric material and being fixedly attached to the stem portion. The head portion may include a spherical portion with a diameter sized to match the diameter of an acetabulum of an adult patient in a manner permitting the acetabulum to interface with and articulate relative the head portion over a distributed portion of the head portion..
|Orthopaedic hip prosthesis having femoral stem components with varying a/p taper angles|
A femoral prosthesis for use during performance of a hip replacement procedure includes a plurality of femoral stem components in a range of various sizes and a plurality of femoral head component in a range of various sizes. The anterior/posterior stem taper angle of the femoral stem component varies across its range of sizes..
|Femoral prosthesis with insertion/extraction feature|
A femoral prosthesis system is provided which includes femoral prosthesis and an instrument for inserting/extracting the femoral prosthesis. The femoral prosthesis includes a stem and a neck portion.
|Vertebral disc prosthesis|
A prosthesis for a vertebral column has an upper part (10) for attachment to an upper vertebrae, a lower part (12) for attachment to a lower vertebrae and a middle part (11) located between the upper and the lower parts, wherein the upper part has a lower surface portion with a first radius of curvature, the middle part has an upper surface portion with a second radius of curvature and a lower surface with a third radius of curvature and the lower part has an upper surface with a fourth radius of curvature. The centre of the radius of curvature for at least two surfaces is offset rearwardly with respect to a central vertical axis (13) through the upper and lower vertebrae and/or the upper and lower parts.
|Percutaneous implantable nuclear prosthesis|
An inter-vertebral disc prosthesis intended for percutaneous deployment comprises an expandable annular enclosure and an expandable nuclear enclosure. The expandable annular enclosure incorporates a reinforcing annular band along its periphery and is filled with in-situ curable rubber.
|Variable-length passive ossicular prosthesis|
A passive ossicular prosthesis includes a first and second fastening element for connection to the tympanic membrane. A connecting element connects the fastening elements in a sound-conducting manner.
|Implantation device for intrastromal prostheses|
A device has been described here which is used as a means of implanting an intrastromal prosthesis, consisting of a segment or ring, on the inside of the patient's corneal tunnel. The implanting device eliminates the need to use conventional forceps and includes for this purpose an injector with a support track for the implant segment, attached to a ring carrier piece coupled to the first end of a cylinder base or tunnel.
|Expandable proximal reamer|
A kit for reaming a portion of a cavity for use in implanting a prosthesis. The kit includes a distal reamer for reaming a distal portion of the long bone and a proximal reamer for reaming a proximal portion of the long bone.
|Prophylactic bactericidal medical device|
A medical implant system is described for inhibiting infection associated with a joint prosthesis implant. An inventive system includes an implant body made of a biocompatible material which has a metal component disposed on an external surface of the implant body.
|Adjustable fixation device having reduced infection|
Components and portions of components of a hearing prosthesis encapsulated in a microorganism-barrier membrane. Methods and apparatus are described for implanting hearing prosthesis components in precise locations, and maintaining the locations, with at least some components or portions of components encapsulated in a microorganism-barrier membrane..
|Ankle-foot prosthesis for automatic adaptation to sloped walking surfaces|
An ankle-foot prosthesis includes a foot plate, an ankle frame attached to the foot plate, a yoke pivotally connected to the ankle frame and including a member for attaching to a leg, a damper having a first end connected to the yoke and a second end connected to the ankle frame, and a control mechanism for switching the damper between low and high settings.. .
|Powered ankle-foot prosthesis|
A powered ankle-foot prosthesis, capable of providing human-like power at terminal stance that increase amputees metabolic walking economy compared to a conventional passive-elastic prosthesis. The powered prosthesis comprises a unidirectional spring, configured in parallel with a force-controllable actuator with series elasticity.
|Variable-mechanical-impedance artificial legs|
In one aspect, the invention provides methods and apparatus facilitating an adjustable-stiffness prosthesis or orthosis (including approximations to arbitrarily definable non-linear spring functions). Spring rates may be varied under no-load conditions during a walking gate cycle to minimize power consumption.
|Robotic prosthesis alignment device and alignment surrogate device|
A robotic prosthesis alignment device is disclosed that may automatically move the alignment of a prosthesis socket in relation to a prosthesis shank. The robotic prosthesis alignment device provides automatic translation in two axes.
|Trapezium implant for thumb and method|
An implant for the trapezium of the thumb carpometacarpal (cmc) joint comprising an integral elastomeric member configured to include a body portion having a tapered neck, having extending from one end thereof an elongated, longitudinally extending tapered portion adapted to be embedded into a reamed out-channel in the thumb metacarpal bone. After implantation, in the preferred embodiment of the method according to the invention, a segment of a nearby tendon, for example, the apl or fcr tendons, may be wrapped around the tapered neck of the implant to secure it in position, thereby forming a reinforced structure to inhibit dislocation of the prosthesis.
|Artificial joint components including integral magnetic fields configured to deflect wear debris particles|
Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, an artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a first component of the artificial joint prosthesis including a contact surface of the artificial joint prosthesis, the first component fabricated from at least one polymer and a plurality of magnetic particles; and a second component of the artificial joint prosthesis including at least one magnet configured to create a magnetic field within the artificial joint, the at least one magnet positioned to form a magnetic field directed to influence a location of debris including the magnetic particles in the joint to a position distinct from the bone-prosthesis interface in vivo..
|Artificial joint components including mechanized synovial fluid deflecting structures and particle retaining structures|
Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, an artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo; a mechanism attached to the fluid deflection structure, the mechanism operable to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo; and at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain non-physiological particles present within the synovial fluid..
|Artificial joint components including mechanized synovial fluid deflecting structures|
Prosthetic artificial joints are described, including hip, knee and shoulder joints. In some embodiments, a artificial joint prosthesis includes: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo; and a mechanism attached to the fluid deflection structure, the mechanism operable to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo..
|Artificial joint components including synovial fluid deflecting structures and particle retaining structures|
Artificial joint prostheses, including hip, knee and shoulder joints, are described. In some aspects, an artificial joint prosthesis includes: a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis; at least one fluid deflection structure attached to the non-contact surface, the fluid deflection structure positioned to direct a flow of synovial fluid away from the bone-prosthesis interface in vivo; and at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain particles present within the synovial fluid..
|Artificial joint components including synovial fluid deflecting structures|
Artificial joint prosthetic components including synovial fluid deflection structures are described. Embodiments of artificial joint prosthesis include those with: a bone-facing surface of a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; a non-contact surface of the artificial joint prosthesis; and at least one fluid deflection structure positioned on the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo..
|Heart valve assemblies|
A heart valve assembly comprises a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first annular prosthesis contacts native tissue of a body lumen. The heart valve assembly also comprises a second prosthesis comprising a valve, and a connection adapter that secures the second prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference..
|Valve prosthesis for replacing an atrioventricular valve of the heart|
The invention relates to a valve prosthesis for replacing an atrioventricular valve of the heart, comprising an annular body (12), to which heart valve leaflets are attached and which can be inserted in the valve annulus (18) of the heart (20), and further comprising at least one anchoring part (16, 16′), which protrudes from the annular body (12) on the ventricle side and can be anchored in tissue.. .
The invention relates to a vascular endoprosthesis including a device for preventing any endoleak after an angioplasty. The invention more particularly but not restrictively relates to a vascular endoprosthesis for a patient suffering from an abdominal aortic aneurysm..
|Cardiac valve prosthesis deployment system|
The present invention relates to a deployment system (10) for deploying an expandable cardiac valve prosthesis. The deployment system comprises a first tube (11) being designed to carry an expandable cardiac valve prosthesis; further, a tip (13), being firmly connected to the first tube at a distal end of the first tube, wherein the tip is designed such, that it detachably accommodates and holds a proximal end (21) of a cardiac valve prosthesis (20); a sheath (15) designed to be disposed over and holding the prosthesis (20) in a compressed state, and a first actuating mechanism (16) being linked to the sheath (15) and being slidable in a proximal direction for stepwise retracting the sheath (15).
|Prosthesis for transcatheter valve implantation|
A prosthesis having first and second prosthetic sections is disclosed. The first prosthetic section includes a stent structure that may contain a first prosthetic valve secured therein and the second prosthetic section includes an annular frame that may contain a second prosthetic valve secured therein.
|Delivery device and system for open surgical repair|
A device for delivering a prosthesis to a damaged body vessel includes first and second generally elongated members joined to each other along a length thereof. A distal end of each of the elongated members is insertable through an outer layer of skin to access the vessel.
|Signal strength indicator for adjusting communication in a medical implant|
It is critical in an inductively link medical implant, such as a visual prosthesis or other neural stimulator, to adjust the external coil to a location to maximize communication between the external coil and internal coil. Converting the signal strength between the coils to a signal easily discernible by a clinician, preferably an audible tone, facilitates the adjustment of the external coil to a preferred location..
A sheath for retaining a prosthesis for use in repair of a damaged portion of a body vessel during an open surgical procedure. The prosthesis is of a type having a constricted condition for delivery to the damaged vessel portion and an expanded condition upon deployment from the sheath.
|Methods and apparatus for preparing a patient's femur for patellofemoral knee arthroplasty|
Methods and apparatus provide for modifying a patient's femur to receive a patellofemoral prosthesis, including: a distal punch, an anterior punch and a trochlear punch which are used in well defined orientations to remove material from the femur to accommodate complex geometries of a patellofemoral prosthesis; and optionally a guide operating to engage a distal end of the femur, the guide including a distal slot, an anterior slot and a transverse slot, which ensure that the punches achieve the desired orientations.. .
|Medical device provided with an innovative marking system enabling rapid, multiple and remote identification|
A medical device includes a reusable or non-reusable surgical instrument made from metal, polymer or plastic, or any implant or prosthesis substitute made from metal, polymer or plastic, which is equipped with a marking system enabling rapid identification of the instrument. The marking system includes: an rfid component; and a resin protuberance which is rigidly connected to the surgical instrument or implant substitute to be marked, the protuberance containing, and completely surrounding the tag..
|Electronic devices with protective capacity|
Electronic devices are designed having a housing and are configured to provide an improved degree of protection to electrical and/or mechanical components disposed therein that may be susceptible to damage from environmental elements external from the housing. The electrical device can be one carried or worn by a user, e.g., on the user's head, which can include an external component of a hearing prosthesis.
|Systems and methods for facilitating time-based fitting by a sound processor|
An exemplary sound processor (104) included in an auditory prosthesis system includes 1) a clock facility (406) configured to detect an elapsing of a predetermined amount of time and 2) a fitting facility (408) communicatively coupled to the clock facility and configured to automatically perform, in response to the elapsing of the predetermined amount of time, one or more fitting operations with respect to the auditory prosthesis system. Corresponding systems and methods are also disclosed..