94 results about "Prosthetic implants" patented technology

Devices and methods for providing a pathway for fluid to flow around a main lumen of a guide catheter are disclosed. As one example, a delivery apparatus can include a handle including an outer housing and a flush port coupled to the outer housing, a shaft extending distally from the handle, and a main lumen extending axially through the shaft, where the main lumen is fluidly coupled to the flush port via a flush lumen extending between the flush port and the main lumen. The delivery apparatus can further include at least one axially extending channel fluidly coupled to and radially offset from the main lumen, the channel extending between a first location that is adjacent to the flush lumen and a second location that is adjacent to a distal end of the shaft.

Apparatuses, systems, and methods for holding prosthetic implants. The systems in certain embodiments may be for use in holding prosthetic implants prior to implantation within a patient's body and prior to coupling to a delivery apparatus used to implant the prosthetic implant within the patient's body. Certain embodiments disclosed herein may relate to apparatuses, systems, and methods for prosthetic implant preparation prior to implantation.

Devices, systems, and methods for marking and / or reinforcing fenestrations in grafts are disclosed herein. In some embodiments, a radiopaque marker for a graft is provided. The marker can be secured to the graft in the area near a fenestration such that the marker is visible via radiographic imaging. The radiopaque marker can be in the form of a radiopaque thread, a radiopaque bead, a radiopaque additive, or a radiopaque adhesive. In some embodiments, the radiopaque marker is in the form of a circular disc shaped and sized to surround a fenestration, the circular disc being formed of a radiopaque material. The radiopaque marker can be configured to or can be attached to a reinforcement member configured to reinforce a fenestration such that one or more edges of the fenestration are protected and / or to aid in engagement with and sealing to a mating stent.

A prosthetic stem is configured to reduce the perioperative and intraoperative risk of catastrophic medical complications and death that may be caused by BCIS. The prosthetic stem includes one or more internal channels that are configured to self-regulate intramedullary pressure within a prepared bone channel as the stem is inserted into the channel, thus reducing the likelihood of BCIS without sacrificing biomechanics and maintaining a reliable and repeatable implantation process. The stem includes a head and a body, wherein the head is configured to serve as a joint replacement and the body is configured for insertion into the prepared bone channel of a patient. One or more internal channels in the stem are configured to control the pressure within the prepared bone channel during insertion of the stem into the channel, particularly by forming a path through which excess cement may flow as the stem proceeds into the prepared bone channel. By so limiting pressurization of cement during this process, the risk of BCIS complications and other potential harmful effects are reduced while still maintaining sufficient fixation of the prosthetic stem in the prepared bone channel.

To provide a sleeve for a prosthetic implant having an anatomical profile.SOLUTION: The invention relates to: a sleeve (10) for a prosthetic implant (100) implantable in bone such as a femur; and related modular prosthetic assembly (200) including at least a rod (110), an intermediate neck component (112) and a sleeve (10).SELECTED DRAWING: Figure 1

Docking devices for securing a prosthetic valve at a native valve are provided. The docking device can include a coil and a guard member. The coil includes a plurality of helical turns when in a deployed orientation. The guard member may be attached to the coil by being coupled to at least a portion of a helical turn thereof. The docking devices include a atrial functional turn configured to enhance the transient stage stability of the docking device in the left atrium of the heart.

An expandable prosthetic implant for engagement between vertebrae includes a first member having a first end, a second end, a plurality of extensions and a hollow interior portion extending from the first end to the second end, wherein the plurality of extensions extend from the first end to the second end. A second member includes a first end, a second end, a hollow interior portion extending from the first end to the second end, and a plurality of extensions extending from the second end to the first end. The plurality extensions of the first member are configured to coaxially interdigitate with the second member, and the plurality of extensions of the second member are configured to coaxially interdigitate with the first member. The first member of the implant is moveable relative to the second member along a longitudinal axis.

A prosthetic implant including an anchor member; at least one resilient tethering strut extending from the anchor member; a coaptation structure coupled to an end of the at least one resilient tethering strut; and a tensioning unit extending between the anchor member and the coaptation structure. The tensioning unit including a flexible hollow tubing, and a tensioning wire extending therethrough with a first end of the tensioning wire fixed at a junction between a first end of the flexible hollow tubing and the coaptation structure and with a second end of the tensioning wire extending out from a second end of the flexible hollow tubing. The second end of the tensioning wire being pullable away from the second end of the flexible hollow tubing to bend the flexible hollow tubing and the at least one resilient tethering strut to move the coaptation structure relative to the anchor member.

A method to preoperatively assess a risk of bone fracture during or after installing a prosthetic implant into a bone of a patient, the method can include accessing patient medical information. The patient medical information can include at least a medical image of the patient. The medical image can include at least the bone that will receive the prosthetic implant. The method can also include analyzing the medical image to obtain a physical characteristic of the bone. Determining a fracture risk score based on the physical characteristic of the bone. The method can also include transmitting a fracture risk summary to a medical professional. The fracture risk summary can include at least the fracture risk score.

A prosthetic implant delivery assembly includes a prosthetic implant and a catheter. The prosthetic implant includes a plurality of apices with apertures. Each apex of the plurality of apices is circumferentially-spaced apart relative to an adjacent apex. The catheter includes a plurality of arms with apertures and a plurality of sleeves slidably disposed relative to the apertures. Each sleeve is configured to selectively obstruct at least a portion of a corresponding aperture to alter an effective size of the aperture, thereby adjusting coupling engagement with an apex of the prosthetic implant.

A delivery apparatus for a prosthetic implant includes a handle body, a shaft, and shaft displacement and adjustment mechanisms coupled to the handle body. The shaft displacement mechanism can comprise a carriage configured to translate axially relative to the handle body and coupled to a portion of the shaft. The shaft adjustment mechanism can be configured to adjust a curvature of the shaft and can comprise a pull wire. A first knob and / or other actuating mechanism operatively can be coupled to the shaft displacement mechanism and can be configured to simultaneously axially displace the shaft and the pull wire relative to the handle body. A second knob and / or other actuating mechanism can be operatively coupled to the shaft adjustment mechanism and configured to adjust a curvature of the shaft.

The present disclosure provides a prosthetic implant for tibia fixation in a total ankle replacement device. A method including the apparatus is also disclosed.

The present disclosure generally relates to implantable medical devices, and, in some embodiments, to a prosthetic implant. Such implantable devices may be, in some cases, useful in the treatment of acute aortic dissections (AADs). In some embodiments, the prosthetic implant comprises an inner frame and an outer frame, the inner frame comprising an expandable support structure. The expandable support structure may comprise one or more expandable branches. The expandable branch may comprise a proximal portion, a middle portion, and a distal portion configured to permit flattening, telescoping, pivoting, and / or expansion of the one or more portions of the expandable branch. The one or more expandable branches may be, in some cases, configured to be placed into a vessel, e.g., a coronary artery. Additionally, a first expandable support structure comprising one or more expandable branches may be, in some cases, coupled to a second expandable support structure comprising one or more expandable branches.

An assembly includes a holder device and a non-self-expandable prosthetic heart valve. The prosthetic heart valve can be radially compressed from an expanded configuration to a compressed configuration. The holder device is configured to hold the prosthetic heart valve in the expanded configuration and to allow the prosthetic heart valve to be inserted in a crimping device so that the prosthetic heart valve can be crimped onto a valve mounting portion of a delivery apparatus.

Disclosed is a tool set and an associated method for removing a prosthetic implant. Although the tools in the tool set can be used to remove a variety of different prosthetic implants, it finds particular application in the removal of femoral implants. In one embodiment, both lateral and medial tools are utilized. The lateral tool includes a generally arcuate shape with upstanding sidewalls that define an arcuate interior. The lateral tool is thus dimensioned to follow the contour of the lateral side of a femoral implant. The medial tool includes opposing side walls that define an interior opening. The opening is sized to receive the neck of the femoral implant, thereby allowing the tool to closely follow the medial bone / implant interface. In another embodiment, a J-shaped tool and an L-shaped tool are utilized to cut below an undercut of an femoral implant. The tools in the tool set can work together or individually.

Systems and methods for intraoperative implant fit analysis and longevity prediction for a prosthetic implant to be integrated with the physiological tissue of a patient, the method comprising the steps of: collection of data via a plurality of sensors situated in proximity to the tissue and implant and a plurality of data sources; determining tissue and implant state and morphology based on the collected data; generating compatibility information between the tissue and implant based on the determined tissue and implant state and morphology; processing compatibility information into a form adapted for evaluation against a predetermined comparator; generating a means of predicting postoperative implant performance and longevity utilizing the historical dataset of comparison information and postoperative results; and generating and providing corrective information for alteration of the tissue state and morphology for improved postoperative implant performance and longevity.

The utility model relates to a flow throttle valve and a delivery device. Methods and systems for providing consistent flow of fluid through a lumen of a delivery device. As one example, a delivery device may include an outer shaft configured to hold a prosthetic implant in a delivery configuration, an inner shaft disposed within the outer shaft and configured to engage an end of the prosthetic implant and move axially relative to the outer shaft, and a cannula shaft disposed within the outer shaft and configured to engage the end of the prosthetic implant and move axially relative to the outer shaft. And configured to cover the prosthetic implant in the delivery configuration. In some examples, the inner shaft may include one or more openings defined therein, the one or more openings extending between an inner surface and an outer surface of the inner shaft, and the one or more openings configured to fluidly couple an inner lumen of the inner shaft with a lumen disposed between the outer surface of the inner shaft and an inner surface of the cannula shaft.

A release mechanism for a delivery apparatus is disclosed, where the release mechanism is configured to release a prosthetic implant from the delivery apparatus. The delivery apparatus comprises a shaft with a lumen and a sidewall, where the sidewall has an aperture therethrough. A release member is disposed within the lumen and a securing member having a distal loop extends distally from a distal end of the shaft. The delivery apparatus is movable from a first to a second arrangement. In the first arrangement, the securing member extends through the aperture such that the loop is disposed inside the lumen and the release member is in a distal state extending through the loop. In the second arrangement, the release member is in a proximal state removed from the loop and the securing member is removable from the lumen. A method of using the release mechanism is also disclosed.

The present disclosure provides for prosthetic implants to be used in various surgical repairs, including for procedures like total shoulder arthroplasties and reverse total shoulder arthroplasties. The implants include two main parts—a frame and a prosthetic component. The frame includes an aperture that is configured to receive the prosthetic component, allowing the prosthetic component to make direct contact with bone at the surgical site. Various configurations are provided that allow the prosthetic component to be coupled to or otherwise engage with the frame, and at least some of the configurations are such that the reverse procedures can be done without having to fully re-tool and / or modify the bone. A variety of procedures resulting from the improved implants are also provided.

The present disclosure generally relates to prosthetic implants, prosthetic implant systems, and their methods of use, for example, for treating a dissection. The prosthetic implants contemplated herein comprise an expandable arch support structure comprising one or more expandable branches configured to be placed within one or more vessels. Certain aspects of the disclosure relate to methods for treating a dissection, e.g., an aortic dissection, using said prosthetic implants and implant systems. The methods comprise advancing one or more guidewires into an ascending aorta, a descending aorta, and / or one or more one or more vessels of an aortic root or aortic arch. The methods further comprise exposing one or more components of the expandable arch support structure from a sheath. In some cases, the exposed component is an expandable branch that is advanced into the one or more vessels of the aortic root or aortic arch, thus anchoring the implant to the native aorta.

To provide prosthetic implants, such as self-expanding prosthetic heart valves and support structures, and associated delivery apparatuses.SOLUTION: A prosthetic implant has a self-expanding frame with an inflow end, an outflow end, and a plurality of struts interconnected at junctions. At least a portion of the plurality of struts has, at at least one junction, a reduced strut width configured to reduce or prevent infolding of the frame during recapture into a delivery cylinder of a delivery apparatus.SELECTED DRAWING: Figure 37

The present device described herein is intended to effect the removal of an orthopedic prosthetic implant from the intramedullary cavity of the bone. The extraction device utilizes a clamping mechanism which can be tightly secured to the implant, particularly the neck of a femoral prosthetic component. The clamping mechanism is attached to an elongated member that contains two striking surfaces. A force applied to the striking surface(s) is transmitted to the prosthesis so as to extract the implant from the intramedullary cavity of a bone.

The present invention is entitled "Prosthetic implants including frames for fixation to bone and related methods." The present disclosure provides prosthetic implants to be used in various surgical repairs including procedures such as total shoulder arthroplasty and reverse total shoulder arthroplasty. The implants include two main parts: a frame and a prosthetic component. The frame includes an aperture configured to receive the prosthetic component, allowing the prosthetic component to be in direct contact with bone at the surgical site. Various configurations are provided that allow the prosthetic component to be coupled to or otherwise engaged with the frame, and at least some of the configurations enable reverse procedures to be performed without having to completely rework and / or modify the bone. A variety of procedures resulting from the improved implants are also provided.

The present application provides a joint prosthesis implant and a processing method therefor, wherein the joint prosthesis implant comprises: a ceramic substrate, the ceramic substrate comprising a friction surface and a connection surface; and a metal coating connected to the connection surface, an interface being formed between the metal coating and the connection surface. A first locking hook part extending into the interior of the metal coating is arranged on the connection surface of the ceramic substrate, and a second locking hook part extending into the interior of the ceramic substrate is arranged on the metal coating. The first locking hook part and the second locking hook part coordinate to form an interlocking structure. The technical solution of the present application efficiently solves the problem that the metal coating of the joint prosthesis implant in the related art is prone to disengagement.

The present disclosure generally relates to prosthetic implants, prosthetic implant systems, and their methods of use, for example, for treating a dissection. The prosthetic implants contemplated herein comprise an expandable arch support structure comprising one or more expandable branches configured to be placed within one or more vessels. Certain aspects of the disclosure relate to methods for treating a dissection, e.g., an aortic dissection, using said prosthetic implants and implant systems. The methods comprise advancing one or more guidewires into an ascending aorta, a descending aorta, and / or one or more one or more vessels of an aortic root or aortic arch. The methods further comprise exposing one or more components of the expandable arch support structure from a sheath. In some cases, the exposed component is an expandable branch that is advanced into the one or more vessels of the aortic root or aortic arch, thus anchoring the implant to the native aorta.

A delivery apparatus configured to deliver a prosthetic valve can include a handle, a first and second shaft extending distally from the handle, the second shaft extending through a lumen of the first shaft, and a balloon mounted along the distal end portion of the second shaft. A distal end of the first shaft having one or more biasing elements wherein the one or more biasing elements are configured to provide bias to prevent the formation of a gap between the distal end of the first shaft and the proximal end of a medical implant.

A cement restrictor inserter instrument (130) comprises an inserter (131) having a handle (132) at a proximal end, a cement restrictor attachment formation (137) at a distal end for releasably attaching a cement restrictor (150), a shaft (136) extending from the proximal end to the distal end and a stop (138) on the shaft and between the proximal end and the distal end; and a body (140) having a shape corresponding to the shape of an orthopaedic prosthetic implant, a spacer (142), a visible depth guide feature (190) and a releasable attachment mechanism by which the body is releasably attachable to the shaft, and wherein the spacer is configured to position the visible depth guide feature at a fixed position relative to the inserter when the spacer abuts the stop corresponding to a target cement restrictor position when the visible depth guide feature is aligned with a feature of a bone of a patient in which the cement restrictor is to be inserted.

A docking station for a prosthetic heart valve includes a radially expandable and collapsible frame with a first plurality of struts, an inflow end portion, an outflow end portion, and a longitudinal axis. A sealing member is disposed on the outflow end portion and configured to form a seal between the docking station and a body lumen. The docking station further includes a valve seat coupled to the frame and configured to receive an expandable prosthetic valve. The valve seat includes a second plurality of struts coupled to the frame and extending in a downstream direction and angled inwardly toward the longitudinal axis of the frame.

Systems, assemblies, and methods for treating valve regurgitation and other valve problems are described. Prosthetic implants can be used to repair or reshape native heart valves and, in some examples, to secure prosthetic heart valves at a specific location and position relative to a native heart valve. Delivery systems can be used to deploy a prosthetic implant into the heart, including a lubricous sleeve in the delivery system. Packaging and storage systems suitable for the delivery systems are described.

The present invention provides a cement restrictor inserter instrument (130) comprising: an inserter (131) having a handle (132) at a proximal end, a cement restrictor attachment formation (137) at a distal end for releasably attaching a cement restrictor (150), a shaft (136) extending from the proximal end to the distal end, and a stop (138) located on the shaft between the proximal end and the distal end; and a body (140) having a shape corresponding to the shape of an orthopaedic prosthetic implant, a spacer (142), a visible depth guide feature (190) and a releasable attachment mechanism, the body being releasably attachable to the shaft by the releasable attachment mechanism, and wherein the spacer is configured to position the visible depth guide feature at a fixed position relative to the inserter when the spacer abuts the stop, the fixed position corresponding to a target cement restrictor position when the visible depth guide feature is aligned with a feature of the bone of a patient into which the cement restrictor is to be inserted.