39 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.

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 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.

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.

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 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.

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.

The invention relates to a polymeric prosthetic implant (2) for attaching to a bone. The implant comprises a first surface (4) and a second surface (10). The second surface is arranged for attachment to a bone, and has a textured surface finish. At least one protrusion (14) is located on said textured surface. The or each protrusion has a flash (38) thereon.

A tool and an associated method for removing a prosthetic implant includes a lateral tool, a first impact tool secured to the lateral tool, a medial tool, and a second impact tool. Although the tool can be used to remove a variety of different prosthetic implants, it finds particular application in the removal of femoral implants. 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.

Provided are a prosthetic implant and a method for manufacturing same, the prosthetic implant comprising: a silicone shell; and a filler injected into the silicone shell, wherein the silicone shell comprises two or more first silicone layers which form the inner and outer surfaces of the silicone shell, and one or more second silicone layers disposed between the two or more first silicone layers, and the one or more second silicone layers comprise pores.

The invention relates to a launcher (1) for releasing an expandable implant (9) into an anatomical canal, comprising a flexible part characterized in that the flexible part comprises a central flexible tubular element (2) supporting the implant (9), a secondary outer sheath (7) radially compressing the compressible implant (9), a main outer sheath (6) slidably mounted on the central flexible tubular element (2) and surrounding the secondary outer sheath (7), a movable ring (13) slidably mounted on the implant (9) in line with the secondary outer sheath (7), and operating elements (14) whose actuation allows movement of the movable ring (13). Figure for the abstract: [Fig 15]

A docking device for a prosthetic implant is disclosed, where the docking device comprises a coil and a sealing member coupled to the coil. The coil comprises a plurality of turns defining a ventricular portion of the coil, an atrial portion of the coil, and a transition region extending from the ventricular portion of the coil to the atrial portion of the coil. The sealing member comprises a plurality of filaments and is disposed at least along the transition region of the coil, where the plurality of filaments extends radially outward from the coil. The sealing member can further comprise a sleeve or an expandable member to the which the plurality of filaments is coupled.

Devices, systems, and methods for stabilizing delivery apparatus and / or guide catheter apparatus during delivery and implantation of a prosthetic implant are disclosed. Each of the delivery and guide catheter apparatus can include a handle and a shaft (delivery shaft or guide catheter shaft) extending distally from the handle. A distal cap portion of each of the handles can be coupled to a stabilizer clamp of a stabilizer system to retain a position of the handles relative to each other in an axial direction. The stabilizer clamps are configured to enable rotation of the distal cap therein so that torque applied to a handle is transmitted to a respective shaft. A jaw portion of the stabilizer clamp can be configured to balance or equalize toque resistance for rotation of the handle in a first (for example, clockwise) direction relative to a second opposing (for example, counterclockwise) direction.

There is described an arthroplasty kit comprising a first joint prosthesis component (30) having a portion which is coated with pyrolytic carbon and a second joint prosthesis component (70) comprising a polyethylene portion.

Assemblies for crimping a prosthetic implant on a target crimping location relative to a delivery apparatus is provided, as well as components of the assemblies and methods of using the assemblies and components thereof. An assembly can include an alignment guide and an implant alignment device. The alignment guide can include a positioning element configured to receive a delivery apparatus for a prosthetic implant and a mounting element configured to releasably secure the alignment guide to a portion of a crimping device. The assembly can also include an implant alignment device configured to fit, at least partially, within the cavity defined by the alignment guide mounting portion.

A container configured to receive a dock assembly therein can include a base and a lid. The base can define a dock assembly depression, a handle impression, a shaft depression, an aspiration tool depression, and a syringe barrel depression. The dock assembly depression can be configured to receive at least a portion of the dock assembly therein. The handle depression can be configured to receive at least a portion of a handle of a dock delivery system therein. The shaft depression can be configured to receive at least a portion of a shaft of the dock delivery system therein. The aspiration tool depression can be configured to receive at least a portion of an aspiration tool therein. The syringe barrel depression can be configured to receive at least a portion of a barrel of a syringe therein. The lid can be configured to releasably engage with the base.

The present invention relates to a medical device for preserving a prosthetic breast implant in the event of post-surgical infection. The device is configured to ensure effective and homogeneous irrigation of the mammary pocket while simultaneously maintaining the original reconstruction volume and preventing tissue collapse. Said device comprises structural elements adapted to support the breast chamber atraumatically and distribution means allowing a 360-degree washing action. The invention thereby enables the salvage of the prosthetic implant without requiring removal, thus overcoming the limitations of conventional irrigation techniques.

An alignment device for crimping a prosthetic valve onto a delivery apparatus is disclosed. The alignment device can include a coupling portion configured to couple with a crimping device, a support portion that tapers from a wider end that is disposed adjacent a first end of the coupling portion to a narrower end, where the support portion comprises an outward facing support surface that is configured to receive the prosthetic heart valve, and a central channel extending through the coupling portion and the support portion. The alignment device can include one or more axially extending alignment members, each alignment member extending axially outward from the first end of the coupling portion and over the support portion, each alignment member comprising a free end with a retention feature that is configured to hold the prosthetic heart valve in a specified orientation on the support surface.

An alignment device for crimping a prosthetic valve onto a valve mounting portion of a delivery apparatus is disclosed. The alignment device can include a coupling portion comprising a coupling member configured to couple with a crimping device, a support portion that tapers from a wider end that is disposed adjacent a first end of the coupling portion to a narrower end, where the support portion comprises an outward facing support surface that is configured to receive the prosthetic valve thereon, and one or more axially extending alignment members. Each alignment member extends axially outward from the first end of the coupling portion, over the support portion and to the support surface, each alignment member comprising a free end configured to abut an end of the prosthetic valve and be axially aligned with a commissure of the prosthetic valve when the prosthetic valve is arranged on the support surface.

Devices and methods for coupling a retention member to a prosthetic implant are disclosed. As an example, a delivery apparatus can include a handle and a shaft extending distally from the handle. The shaft can have a longitudinal axis, a distal end, and a proximal end. The shaft can include a first inner surface defining a main lumen and a second inner surface defining a minor lumen. The delivery apparatus can further include a retention member partially disposed within the minor lumen. The retention member can include a retention element and an actuation element, wherein the retention member is selectively axially movable relative to the minor lumen and configured to releasably couple to a prosthetic implant at a target location.

A delivery system and a method for deploying a cardiovascular prosthetic implant using a minimally invasive procedure are disclosed. The delivery system comprises an introducer catheter, a delivery catheter having a proximal end and a distal end, and a seal assembly, wherein an outer diameter of the distal end of the delivery catheter is greater than an inner diameter of the distal end of the introducer catheter.

The invention discloses a dental plaque coloring agent-based color development method for an infected mycoderm around an artificial joint prosthesis. The method comprises the following steps: smearing the dental plaque coloring agent on the surface of the infected artificial joint prosthesis; and observing the existence, maturity and distribution condition of the pellicle on the surface of the artificial joint prosthesis according to the color change of the dental plaque coloring agent. According to the method, the bacterial pellicle on the surface of the artificial joint prosthesis implant is visualized through the dental plaque coloring agent, and the maturity of the pellicle is distinguished. Experiments on animal models and clinical samples prove that the dental plaque staining agent shows a good pellicle detection effect and has a relatively high clinical application value.

A delivery device includes a docking sleeve having a body portion and a tip portion connected to a distal end of the body portion. The body portion is configured to hold a docking device for a prosthetic implant. The tip portion includes a wall and at least one slit cut through a thickness of the wall. The tip portion has a cylindrical shape when no compressive load is applied to the distal end of the tip portion. The at least one slit moves the tip portion from the cylindrical shape to a deformed shape when the distal end of the tip portion is pressed against an external object such that the distal end of the tip portion deflects from the external object.