53 results about "Implantable prosthesis" patented technology

An implantable sensor assembly for use during spinal fusion. An implantable sensor assembly may include a component of an implantable prosthesis and an implantable cartridge associated with the component. The implantable cartridge may include at least one sensor capable of detecting one or more kinematic measurements associated with the patient and generating sensor data, and an antenna in electrical communication with the at least one sensor, where the antenna transmits the sensor data to a receiver at a remote location.

Implantable prostheses and related methods are generally described. In some embodiments, the prosthesis may be used for soft tissue reconstruction. The prosthesis may be formed from a three-dimensional load-bearing porous scaffold having interconnected networks of pores, thereby enabling tissue infiltration and allowing native tissue, blood vessels, and cells to colonize on the scaffold. In some embodiments, the scaffold may be formed from a biodegradable material such that it may degrade during the tissue infiltration process, leaving native tissue. In some embodiments, the stent may be formed from a triple periodic minimum surface, such as a helical tetracosahedron, to achieve high compressibility and high porosity. The compressibility of the implant may simulate the mechanical behavior of native tissue and allow the implant to be delivered through a small incision site (e.g., with an implant delivery funnel).

An implantable sensor assembly for use during spinal fusion may include an implantable prosthesis component and an implantable cartridge associated with the component. The implantable cartridge may include at least one sensor capable of detecting one or more kinematic measurements associated with the patient and generating sensor data, and an antenna in electrical communication with the at least one sensor, the antenna transmitting the sensor data to a receiver at a remote location.

A medical device, where the medical device is configured to determine whether a data collection activity should be initiated, where the data is physiological data associated with a recipient of the medical device. In exemplary embodiments, the medical device may be a prosthesis, such as an implantable prosthesis, and in other embodiments, the medical device is distinct from the prosthesis.

Embodiments of the present application relate to the field of implantable prostheses, and particularly to a repair system for annulus tissue, which comprises a plurality of first repair devices, a plurality of second repair devices, a sheath and a plurality of locking wire devices. The repair system for annulus tissue provided by embodiments of the present application can precisely repair the position of annulus tissue in need of repair by screwing the anchor into the position of annulus tissue in need of repair, and the anchor screwed into the annulus tissue is not easy to be separated from the annulus tissue, which can increase the reliability of the fixed connection between the anchor and the annulus tissue, thereby facilitating to ensure the effect of repairing the annulus tissue; and the anchor is connected with the posterior leaflet by the first repair device and connected with the anterior leaflet by the second repair device, so as to meet the need of the reliability of the fixed connection between the anchor and the anterior leaflet of the annulus tissue and the posterior leaflet of the annulus tissue, thereby facilitating to ensure the effect of repairing the annulus tissue.

A method for manufacturing an implantable prosthetic device. The method comprises taking a frame having a core and an elongated arm that extends from the core, wherein the arm comprises a tip. The method further comprises taking a compressible cap that includes a shaft having a proximal end and a distal end, an internal cavity extending longitudinally along the shaft from the proximal end toward the distal end, and a head at the distal end. The method further comprises covering at least a portion of the arm with the cap by inserting the tip into the cavity, and, without sewing, affixing the cap to the arm by securing the tip within the cavity.

Patient-specific, pre-molded, implantable epithesis holder (1), made of a biocompatible, artifact-free or low-artifact material, such as a plastic or a ceramic, wherein the epithesis holder (1) has at least one attachment point (6, 6.1, 6.2) for attaching it to a patient's own support structure, such as a bone structure, and first connection means (4, 4.1) to which an external epithesis (8) equipped with second connection means complementary to the first connection means (4, 4.1) is held when placed in intervention with the first connection means (4, 4.1).

Embodiments of the present application relate to the field of implantable prostheses, and particularly to a device suitable for setting an anchor on annular tissue. The device suitable for setting an anchor on annular tissue provided by embodiments of the present application can drive the anchor driving assembly and the anchor fixing assembly to move simultaneously by mounting the anchor driving assembly and the anchor fixing assembly on the mounting member respectively, so as to reduce the difficulty of driving the anchor driving assembly and the anchor fixing assembly to move. Meanwhile, the first shell is arranged to be capable of observing the movement distance of the anchor driving assembly and the anchor fixing assembly from the outside of the first shell, so as to facilitate adjusting the movement distance of the anchor driving assembly and the anchor fixing assembly, and to realize accurate control of the movement of the anchor driving assembly and the anchor fixing assembly.

The embodiment of the invention relates to the field of prostheses capable of being transplanted into the body, in particular to a device for controlling a nailing bend adjusting pipe and a nailing bourdon tube and a device suitable for arranging an anchor on a valve ring tissue. According to the device for controlling the nailing bend adjusting pipe and the nailing bourdon tube, the bending degree of the nailing bend adjusting pipe is controlled through the bending control structure, then the bending degree of the nailing bourdon tube is controlled, the nailing bourdon tube is fixedly connected with the ground anchor, and the nailing bend adjusting pipe and the nailing bourdon tube are fixed through the control over the bending degree of the nailing bourdon tube. The position and the entering angle of the anchor entering the annulus tissue can be adjusted, so that the reliability of the anchor entering the annulus tissue is improved, and the anchor is prevented from being separated from the annulus tissue; meanwhile, the nailing bourdon tube control structure is arranged to control the nailing bourdon tube to move in the axial direction and rotate in the circumferential direction, so that the nailing bourdon tube can drive the anchor to enter the annulus tissue.

The present invention relates to the field of medical devices, and particularly to an anti-disengagement anchoring mechanism applied to an implantable prosthesis; it includes an implantable prosthesis, a pushing device and an anti-disengagement anchoring mechanism. The valve prosthesis includes a valve sewing section and an anchoring area. The anti-disengagement anchoring mechanism includes an anchoring member and an anti-disengagement member. One end of the anchoring member is connected to one end of the anti-disengagement member. The pushing device pushes the anti-disengagement anchoring mechanism, and the other end of the anchoring member passes through the anchoring area and is connected to the heart tissue in a matching manner. When the anti-disengagement anchoring mechanism is further pushed, the other end of the anti-disengagement member passes through the anchoring area and then folds back and finally forms two or more connection points with the anchoring area; in the present invention, the anchoring member passes through the anchoring area and is connected to the heart tissue in a matching manner, so that the stent is fixed in the heart. At the same time, the anti-disengagement member passes through the anchoring area and is finally connected to the anchoring area, so that the anti-disengagement anchoring mechanism is locked on the anchoring area, avoiding the loosening of the anchoring member relative to the anchoring area and the situation of disengaging from the anchoring area.

Embodiments of the present disclosure relate to the technical field of medical instruments, disclose a device for delivering an implantable prosthesis, and further disclose an implantable prosthesis system and a method for manufacturing the device for delivering an implantable prosthesis. In the device for delivering the implantable prosthesis, in a process of delivering an implantable prosthesis in a human body, at least one limiting member (400) engages with at least one limiting structure (210), to control a rotation direction of a rotating shaft (200), and further control a rotation direction of a drive wire (300). The foregoing design simplifies a structure of the device, and makes the device have reliable unidirectional actuation.

Implantable prostheses and related methods are generally described. In some embodiments, the prosthesis (100) may be a generally ellipsoidal (e.g., spherical) shape formed from one or more subunits (20). The subunits may be tapered or frustoconical, formed by manipulating a two-dimensional substrate material. The sidewalls of the subunits may be secured to each other to enhance the stiffness of the prosthesis. In some embodiments, markers (30) may be used to assist in distinguishing prostheses in an implant site by medical imaging (e.g., x-ray imaging). In this manner, an implant site can be easily identified, which can also be a site of recent biopsy and / or resection of diseased tissue. The prosthesis may be formed from a porous material to induce tissue infiltration, which may promote natural tissue regeneration to achieve a more natural tissue appearance and feel. The tissue infiltration enables the prosthesis to have enhanced anti-migration ability after implantation.

An implantable prosthesis and delivery system for treating tricuspid regurgitation (TVR). The system is configured for preloading into a transdermal delivery system. The system includes a self-expanding anchor bracket having an attached and positionable engagement member. The stent is implanted in the inferior vena cava adjacent the right atrium and is connected to the engagement member with a steering tube and multi-directional coupler and gimbal assembly. The engagement member is fabricated from a porous or semi-porous material formed on a wire frame and is configured to possibly have a leaflet matching curvature prior to implantation. When deployed, the engagement member is self-aligned, self-swelled, and shaped over several cardiac cycles to conform to a patient's TV defect and provide an engagement surface for the native valve leaflet to mitigate TVR.

An implantable prosthesis for repairing tissue defects includes a layer of repair fabric and a plurality of microtextured grip segments mounted to the repair fabric. The grip segments include a pattern of perforations on a tissue facing surface to promote tissue ingrowth.

This invention relates to the field of medical device technology and discloses a delivery device for implantable prostheses. This invention also discloses a method for manufacturing an implantable prosthesis system and an implantable prosthesis delivery device. In the process of delivering the implantable prosthesis into the human body, the delivery device utilizes the cooperation of a limiting member and a limiting structure to control the rotation direction of the rotating shaft, thereby adjusting the rotation direction of the drive wire. The above design simplifies the structure of the implantable prosthesis system and gives the implantable prosthesis system strict unidirectional actuation.

The embodiment of the invention relates to the field of prostheses capable of being transplanted into bodies, in particular to a device and system for repairing annulus tissue. The device for repairing the annulus tissue comprises a repairing part, an anchor, a locking wire and an anchor driving part. The anchor is driven by the anchor driving piece to be screwed into the annulus tissue under the guide of the repairing piece, and the locking line is arranged on the repairing piece; the repair piece, the locking wire and the anchor driving piece are arranged to enable the contact area of the anchor and the annulus tissue to be increased. According to the repairing device provided by the embodiment of the invention, the anchor screwed into the annulus tissue is not easy to separate from the annulus tissue, and the reliability of fixed connection between the anchor and the annulus tissue is improved, so that the effect of repairing the annulus tissue is ensured; meanwhile, by increasing the contact area of the anchor and the annulus tissue, the number of the anchor screwed into the annulus tissue can be reduced, the repair time of the annulus tissue is shortened, and the repair efficiency is improved.

Implantable prostheses and related methods are generally described. In some embodiments, the prosthesis may be a generally ellipsoidal (e.g., spherical) shape formed from one or more subunits. The subunits may be tapered or frustoconical, formed by manipulating a two-dimensional substrate material. The sidewalls of the subunits may be secured to each other to enhance the stiffness of the prosthesis. In some embodiments, the markers may be used to assist in distinguishing prostheses in an implant site by medical imaging (e.g., x-ray imaging). In this manner, an implant site can be easily identified, which can also be a site of recent biopsy and / or resection of diseased tissue. The prosthesis may be formed from a porous material to induce tissue infiltration, which may promote natural tissue regeneration to achieve a more natural tissue appearance and feel. The tissue infiltration enables the prosthesis to have enhanced anti-migration ability after implantation.

A body implantable reservoir assembly has a reservoir body adapted to contain the liquid and an electronic assembly disposed in the reservoir body and adapted to move the liquid between the reservoir body and an implantable prosthesis. The electronic assembly has a printed circuit board and a battery hermetically sealed inside a canister, a pump assembly having a motor electrically coupled with the printed circuit board and the battery, a pump coupled with the motor, and a valve assembly coupled with the pump. When the reservoir body contains the liquid, the motor, the pump, and the valve assembly are immersed in the liquid.

An implantable prosthesis for preventing, reinforcing and / or mending an anatomical defect, including a parastomal hernia which may occur following the formation of a stoma or ostomy opening, such as formed in conjunction with an ileostomy or colostomy. The prosthesis may include a body of biocompatible material having a preformed three-dimensional channel configured to receive a portion of a lateralized bowel formed in conjunction with a parastomal hernia repair or ostomy creation. An adhesion resistant barrier may be located on an inner side of the channel to isolate the portion of the lateralized bowel from a tissue infiltratable surface of the body to reduce or eliminate potential adhesions between the body and the lateralized bowel. A portion of the channel may include a flared segment extending inwardly from the outer periphery to reduce pressure on the portion of the lateralized bowel at the open end of the channel.

The present disclosure relates to an implantable soft tissue repair prosthesis. Implantable prostheses and related methods are generally described. In some embodiments, the prosthesis may be used for soft tissue reconstruction. The prosthesis may be formed from a three-dimensional load-bearing porous scaffold having interconnected networks of pores, thereby enabling tissue infiltration and allowing native tissue, blood vessels, and cells to colonize on the scaffold. In some embodiments, the scaffold may be formed from a biodegradable material such that it may degrade during the tissue infiltration process, leaving native tissue. In some embodiments, the stent may be formed from a triple periodic minimum surface, such as a helical tetracosahedron, to achieve high compressibility and high porosity. The compressibility of the implant may simulate the mechanical behavior of native tissue and allow the implant to be delivered through a small incision site (e.g., with an implant delivery funnel).

This application relates to the field of medical devices, and particularly to a controllable release device on an implantable prosthesis delivery system, which includes an implantable prosthesis, a connecting device, a rotating device, and a limiting member; wherein, a limiting member is arranged on the rotating device, and the connecting device is connected through the limiting member to realize the linkage between the connecting device and the rotating device; and, the implantable prosthesis is detachably connected to the connecting device through the limiting member; in the present invention, the limiting member is connected to the rotating device, the implantable prosthesis is detachably connected to the connecting device through the limiting member, the middle sheath can axially move relative to the inner core tube. When the middle sheath withdraws proximally relative to the inner core tube, the limiting member is driven to retreat, so that the implantable prosthesis is separated from the connecting device, realizing controllable release. The operation is convenient and the controllable stability is high, which has good clinical significance.

An implantable prosthesis may include a body, at least one tether extending from a portion of the body, and at least one eyelet associated with the body. The prosthesis may be employed in a soft tissue repair procedure, serving to distribute stresses from nearby anatomy (e.g., intra-abdominal forces in a ventral hernia repair) to improve repair outcomes. In operation, the body may be positioned against a defect, the tether may be threaded through the muscle or tissue wall surrounding the defect, passed across the defect to an eyelet, and passed through the eyelet to secure the prosthesis. The tether may be attached to the surrounding tissue through any suitable fastener. The prosthesis may be used in minimally invasive surgeries such as laparoscopic and / or robotic surgeries.

An implantable prosthesis for hernia repair is designed for minimally invasive, robotic, or laparoscopic surgery. Various embodiments of the implantable prosthesis are tailored for inguinal hernia repair, including direct, indirect, and bilateral hernia defects, as well as for femoral hernia repair.

The present invention relates to a system and method for the laser printing of implantable bone prostheses, printed in 3D, more in particular scaffolds, which can be easily customized, that is modelled, based on real tomographic data obtained from the respective patients. The invention proposes the use of a new system for supporting and moving the prosthesis during the laser treatment process, which allows to implement at the same time both the functionalization of the surface of the prosthesis by implementing micro and nano-structured patterns, and the activation or improvement of antibacterial properties and osteogenesis, when the prosthesis comprises at least a layer of polymeric coating containing photo-absorbing material.

The invention relates to a preparation method and application of a completely degradable adhesive polymer film for intravascular targeted drug delivery, and belongs to the field of implantable prostheses. The polymer film is of a two-layer structure and comprises an active macromolecular main body layer and a completely degradable drug-loading adhesion layer, and the active macromolecular main body layer is composed of a degradable high polymer material with photosensitive activity; the completely degradable drug-loaded adhesive layer is composed of a biocompatible degradable polymer, contains tannic acid and dopamine hydrochloride which serve as adhesive molecules and acrylic acid and the like which serve as a matrix or a cross-linking agent, loads atherosclerosis treatment drugs, and triggers controlled adhesion through balloon dilatation and stretching. The preparation adopts a two-step method, can be conveyed in cooperation with an interventional balloon, specifically adheres to a diseased region in a blood vessel to realize targeted drug delivery, is completely degraded after treatment, and is suitable for targeted treatment of atherosclerotic plaque.

Embodiments of the present application relate to the field of implantable prostheses, and particularly to a device suitable for setting an anchor on a valve annulus tissue. The device comprises a locking wire assembly, a winding member, an anti-loosening member and a limiting member. The locking wire assembly is used to pull the anchor, and the locking wire assembly can be partially wound on the winding member when the winding member rotates. The anti-loosening member is used to prevent the locking wire assembly wound on the winding member from being separated from the winding member. The limiting member is used to drive the winding member to rotate and limit the movement of the anti-loosening member. The device provided by the embodiments of the present application changes the length of the locking wire assembly by winding the locking wire assembly on the winding member, thereby pulling the anchor set on the valve annulus tissue to repair the valve annulus tissue. At the same time, by preventing the locking wire assembly wound on the winding member from being separated from the winding member and limiting the movement of the anti-loosening member, it is ensured that the locking wire assembly wound on the winding member will not be separated from the winding member, thereby ensuring that the locking wire assembly can pull the anchor and ensuring the repair effect.

This application relates to the field of implantable prostheses, specifically to a device and system for repairing valve annulus tissue. The device for repairing valve annulus tissue includes a prosthesis, an anchor, a locking wire, and an anchor driver. The anchor, guided by the prosthesis, is driven by the anchor driver and screwed into the valve annulus tissue. The locking wire is disposed on the prosthesis. The prosthesis, locking wire, and anchor driver are configured to increase the contact area between the anchor and the valve annulus tissue. The repair device provided by the embodiments of this application makes it less likely for the anchor screwed into the valve annulus tissue to detach, increasing the reliability of the fixed connection between the anchor and the valve annulus tissue, thereby helping to ensure the effectiveness of the valve annulus tissue repair. Simultaneously, by increasing the contact area between the anchor and the valve annulus tissue, the number of anchors screwed into the valve annulus tissue can be reduced, shortening the repair time and improving repair efficiency.

Embodiments of the present application relate to the field of implantable prostheses, and particularly to a device for repairing annulus tissue and a system for repairing annulus tissue. The device for repairing annulus tissue comprises an anchor, a repairing member, a plurality of fixing assemblies and a limiting assembly. The repairing member is used to guide the anchor to be screwed into the annulus tissue along a first direction; the fixing assembly is used to fix the repairing member to the annulus tissue along a second direction; and the limiting assembly is used to limit the movement of the repairing member along the second direction only. The device for repairing annulus tissue provided by the embodiments of the present application enables the repairing member and the annulus tissue to be fixed in the first direction in which the anchor is screwed in, and by setting the limiting assembly to limit the movement of the repairing member along the second direction only, the repairing member and the annulus tissue can be fixed in the first direction and the second direction, which is conducive to improving the reliability of the fixation between the repairing member and the annulus tissue and ensuring the effect of repairing the annulus tissue.

In one example, an implantable prosthetic device comprises a spacer body portion configured to be disposed between native leaflets of a heart, and an anchor portion configured to secure the native leaflets against the spacer body portion. The prosthetic device can be movable between multiple configurations. A size of the spacer body is configured to be adjusted after the spacer body is placed between the native valve leaflets and the pair of anchors are placed against the ventricular surfaces of the native heart valve leaflets. A delivery apparatus can have a first shaft and a second shaft, wherein movement of the first shaft relative to the second shaft moves the anchor portion relative to the spacer body.

An implantable prosthesis and delivery system for the treatment of tricuspid regurgitation. The system is configured for preloading into a percutaneous delivery system and includes a self-expanding anchor stent with an attachable and positionable junction member. The stent is implanted in the inferior vena cava near the right atrium and is connected to the junction member via a multi-directional coupler and gimbal assembly. The junction member is manufactured from a porous or semi-porous material formed on a wire frame and is configured, prior to implantation, with a curvature that optionally matches the valve leaflets. When deployed, the junction member conforms to the defect of the patient's tricuspid valve and self-aligns and self-expands over several cardiac cycles to obtain a shape for providing a bonding surface to the native valve leaflets to reduce TVR.