97 results about "Implant fixation" patented technology

Devices and methods for deploying an implant in a patient's body comprises an elongate delivery tube having an inner element comprising an imaging head, an intermediate element comprising implant retainer formations and an outer element comprising an outer sheath, the inner and outer elements being retractable relative to the intermediate element. A handle at a proximal end of the delivery tube contains a hub assembly comprising hubs of the inner element, the intermediate element and the outer element. A hub carriage that is movable longitudinally within the handle with respect to the intermediate element hub supports the hubs of the inner element hub and the outer element for movement with the hub carriage to retract the inner and outer elements relative to the intermediate element.

An insertion instrument for inserting an implant includes an elongated main body having a proximal handle and a distal portion that selectively couples to the implant. A plunger is slidably engaged in a central passage of the elongated main body configured to fix the implant to the elongated main body by selectively filling the central passage within the distal portion. A hex nut driver is concentrically located about the plunger and elongated main body to deploy an actuation plunger of the implant. The proximal handle portion of the main body includes a staggered path therethrough for accepting a tab of the plunger therein. Advancement and retraction of the plunger tab within the staggered path alternates the insertion instrument between an unlocked position configured to mount the implant on the distal portion of the elongated main body, a locked position configured to lock the implant on the distal portion, and a deployed position configured to secure the implant.

Surgical constructs, assemblies, kits and methods of tissue fixation are disclosed. Soft tissue augmentation is conducted with a simple device that allows a surgeon to augment poor tissue in a most expedient and straightforward manner. The device includes an implant in the form of a molded part which has one or more barbs that are angled generally in a retrograde fashion. The implant is affixed to the graft desired to be augmented onto patient's tissue. The surgeon needs only “hook” the distal portion of the graft / implant device into patient's tissue and pull to fix the graft in contact.

An implantation kit including a rotational osteotome and an implant is disclosed. The rotational osteotome includes a plurality of steps of different diametrical sizes, a tip, and at least one flute; and every step includes an annular bottom bevel to provide a cutting edge and recessed section. The implant includes a body having a cylindrical head section and a conical section provided with an external thread and a plurality of spiral flutes. The conical section has a downward tapered profile correspondingly aligned with the recessed sections. The cylindrical head section has a straight cylindrical profile matching that of the step having the largest diametrical size. With the above arrangements, an implant hole on a bone can be formed in only one drilling with one single osteotome for fixedly holding the implant therein. Therefore, the time needed for dental and orthopedic surgeries is largely shortened while better osseointegration can be achieved.

Disclosed herein are an inserter instrument, a system including the inserter, a spinal implant, and fasteners for affixing the implant to the spine of a subject, and related methods for performing spinal procedures including insertion of spinal plates. The inserter includes a housing, an inner sleeve slidably disposed within the housing, and an awl slidably disposed within the housing and inner sleeve. The housing includes a rotatable portion configured to actuate translation of the inner sleeve proximally or distally relative to the housing along a central axis to releasably engage the spinal implant using a distal engagement portion of the inner sleeve. The awl is configured to form a pilot hole in a vertebra at the surgical site, which is configured to receive a fastener to fix the spinal plate to the spine.

An implant comprises (i) first and second anchors, (ii) a tether extending between the first anchor and the second anchor, and (iii) a shape-memory band that extends alongside the tether, between the first anchor and the second anchor. A delivery assembly is adapted to (a) contract the implant at the heart, by applying energy to the shape-memory band, such that the shape-memory band draws the first and second anchors closer together, and (b) secure the implant in its contracted state by locking a stopper to the tether. Other implementations are also described.

This invention discloses a personalized Gothic arch component for dental implant restoration and a method for determining digital jaw position relationships, belonging to the field of medical device technology. The component includes a mandibular tracing needle fixation bracket, a tracing needle, a maxillary Gothic arch tracing plate, and fixing screws. The mandibular tracing needle fixation bracket comprises a Y-shaped tracing needle positioning frame and a personalized implant fixation bracket. The tracing needle is fitted into the central groove of the mandibular tracing needle fixation bracket via a shaft-hole fitting structure. The maxillary Gothic arch tracing plate is U-shaped and adapts to the maxillary dental arch. Both the mandibular tracing needle fixation bracket and the maxillary Gothic arch tracing plate are provided with screw channels for matching fixing screws. The method for determining digital jaw position relationships includes: taking a digital impression; designing and 3D printing the above components using CAD / CAM; determining the vertical distance and centric relationship using the personalized Gothic arch; and transferring the maxillary-mandibular relationship for edentulous full-mouth implant restoration based on occlusal records and electronic facebow data, thereby improving the clinical applicability of the restoration.

The present disclosure provides devices, systems, and methods relating to performing a medical procedure. In particular, the present disclosure is directed to devices, systems, and methods for positioning and securing a body implant in a subject in a manner that is customizable for each subject and minimizes implant migration. The devices, systems, and methods described herein utilize biocompatible and biodegradable materials that provide enhanced long-term fixation of the implant.

A method of delivering a balloon implant into a patient includes slidably coupling one or more filaments coupled to tissue in the patient to the balloon implant while the balloon implant is outside the patient, advancing the balloon implant along the one or more filaments into the patient, and securing the balloon implant to the tissue.

The present application discusses and illustrates various examples including implant delivery device. This can optionally include handle, a first shaft and an implant holder. The handle can be disposed at a proximal end of the implant delivery device and configured to be grasped by a user. The first shaft can extend distally from the handle. The implant holder can be coupled to the first shaft. The implant holder can be configured to retain a sheet-like implant adjacent two or more corners of the sheet-like implant during implantation of the sheet-like implant into a patient at a surgical site.

A surgical instrument includes a body, a securement arm, a clamp lock, and a tensioning assembly. The body defines a longitudinal axis and has proximal and distal portions. The distal portion defines a recess. The securement arm is coupled to the body and translatable along the body in a direction parallel to the longitudinal axis between first and second position. The clamp lock is pivotally coupled to the distal portion of the body. The clamp lock is pivotable between secured and unsecured configurations. The tensioning assembly translatable in a direction parallel to the longitudinal axis between proximal and distal position. The tensioning assembly configured to draw a flexible band to tension the flexible band about a bony element.

Disclosed herein are an inserter instrument, a system including the inserter, a spinal implant, and fasteners for affixing the implant to the spine of a subject, and related methods for performing spinal procedures including insertion of spinal plates. The inserter includes a housing, an inner sleeve slidably disposed within the housing, and an awl slidably disposed within the housing and inner sleeve. The housing includes a rotatable portion configured to actuate translation of the inner sleeve proximally or distally relative to the housing along a central axis to releasably engage the spinal implant using a distal engagement portion of the inner sleeve. The awl is configured to form a pilot hole in a vertebra at the surgical site, which is configured to receive a fastener to fix the spinal plate to the spine.

The invention comprises a system for securing an implant to a bone comprising an implant which is affixed to the bone, a grout or bone cement comprising a composition that cures in an exothermic reaction and which is capable of securing the implant to the bone in a cured state, and a tester which measures temperature over time to detect a rate change of temperature and uses a novel discrete differentiator circuit to determine when the composition reaches cure.

An implant type or a process of implant fixation is automatically identified by processing surgical plan information. Further, bone mineral density information associated with a patient is determined by processing at least one image. The determined bone mineral density information and patient information representing at least demographics associated with the patient are processed, and a selection of a plurality of patients that previously underwent arthroplasty is made. Outcome information representing results of arthroplasty procedures is processed and a threshold is established representing a biomechanical tolerance. The bone mineral density information is processed to be determined associated with the patient is determined to be above or below the threshold.

An implant for medical use, for introduction into a cavity in a human or animal body, includes at least one wall formed of an elastic structure intended to surround a biological protuberance present in the cavity in order to fix the implant around the biological protuberance. This wall is essentially cylindrical in shape and formed over an entire cylindrical lateral surface of the implant except in at least one limited angular portion of its circumference, thus imparting radial elasticity to the cylindrical lateral surface of the implant.

Disclosed herein is a fractured bone repair kit, components and methods of use of same. The kit includes a coupler that secures an intramedullary implant to a targeting guide that guides fasteners into bone fixation holes of the intramedullary implant to secure the intramedullary implant to the fractured bone. The coupler includes a sleeve and a fastener. The sleeve is releasably securable to the targeting guide such that the targeting guide is removable from the coupler and the intramedullary implant when attached to the coupler. An actuator of the targeting guide may be toggled to transition the kit from an assembled configuration in which the targeting guide is secured to the coupler to a released configuration in which the targeting guide is removable from the coupler.

An implant type or a process of implant fixation is automatically identified by processing surgical plan information. Further, bone mineral density information associated with a patient is determined by processing at least one image. The determined bone mineral density information and patient information representing at least demographics associated with the patient are processed, and a selection of a plurality of patients that previously underwent arthroplasty is made. Outcome information representing results of arthroplasty procedures is processed and a threshold is established representing a biomechanical tolerance. The bone mineral density information is processed to be determined associated with the patient is determined to be above or below the threshold.

A delivery device for a replacement heart valve implant includes a handle having first and second rotatable knobs, and an elongate shaft assembly extending from the handle. A distal portion of the shaft assembly includes an implant holding portion configured to constrain the implant in a radially collapsed configuration. The implant includes a first feature and a second feature. The first knob includes a first tactile element representative of the first feature. The second knob includes a second tactile element representative of the second feature. The first tactile element may be embossed on the first knob. The second tactile element may be embossed on the second knob. The first and second tactile elements are configured to reduce a user's cognitive load during deployment of the implant.

The present invention relates to an implant system (500) for implantation in a gastric tract of a patient. The system includes a stomach anchor (400) adapted to be placed within the stomach of a patient, a duodenal anchor (100), and a connector (300) having a first end (360) and a second end (370) and a central portion (310). The connector (300) is connected to the duodenal anchor (100) at a first end (360) and to the gastric anchor at a second end (370). The first end (360) and the second end (370) of a connector (300) are connected by the central portion (310), the connector being adapted to connect the stomach anchor (400) and the duodenal anchor (100) across the patient's pylorus when the system (500) is implanted.

Disclosed is a novel implant for replacing a portion of an articular surface of a joint. The implant includes a bone-engaging surface, a hydrogel portion forming an articular surface opposite the first bone-engaging surface, and a bone plate portion configured to fix the implant to the bones forming the joint.

Fixation devices for implants and related methods are generally described. The fixation device may be wrapped around the implant prior to delivery to reduce the risk of implant migration after implantation. The device may have porosity to induce tissue ingrowth around the implant and improve surgical outcome. The device can be used for rapidly preparing implants and can adapt to implants of various sizes. In some embodiments, the device may include a central portion for covering an anterior surface of a breast implant and a peripheral portion for covering a posterior surface of the implant. The peripheral portion, which may include a continuous rim or a plurality of legs, may include a tab that secures the fixation device to an implantation site. In some embodiments, a tether may be coupled to a distal end portion of the peripheral portion, thereby serving as a pull cord that quickly wraps the device around the implant.

The present disclosure relates to an implant configured as a temporary anchorage device, (TAD), comprising a fixture for fixing the implant in a bone of a subject and an abutment mounted on the fixture. The abutment is configured to be moved in use from a default position to an active position, wherein the abutment is biased to return to the default position and the abutment is configured to retain a traction element. Alternatively, a miniplate configured to be moved from a default state to an active state by deforming is provided.

Various examples of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, a securing device is coupled to an implant. The securing device may be used to secure the implant to human tissue (e.g., bone tissue) after the implant is positioned on the tissue. The securing device may include anchor devices that move through the body of the implant and penetrate the human tissue. With the anchor devices moved through the implant, first ends of the anchor devices may engage with the human tissue while second ends of the anchor devices engage the implant body, thereby securing the implant to the human tissue.

The present invention discloses an implant pushing device, comprising: a pushing component, a receiving piece, and at least one fixing wire. The pushing component has a proximal end and a distal end. The receiving piece is arranged at the distal end, and the receiving piece is provided with a receiving groove, and the receiving groove is used to receive the protruding structure of the implant; the fixing wire is used to be passed through the implant, and the free end of the fixing wire extends and is fixed at the proximal end. By receiving the protruding structure on one side of the umbrella-shaped structure of the implant through the receiving groove of the receiving piece, the umbrella-shaped structures of implants of different models can be fixed to the distal end of the pushing component in a winding manner through the fixing wire, so that different models of occluders can be matched with the implant pushing device provided by the present application, which is convenient for medical staff to use and saves costs. At the same time, because the fixing wire has a certain flexibility, the implant can be tilted at a certain angle according to the shape of the occlusion part of different patients during the release process, so as to achieve a better occlusion effect.

The dynamic implant fixation plate and implant configured to accept the disclosed fixation plate can, in some aspects, provide a means of fixing an implant relative one or more planes while allowing motion relative to one or more planes. The use of the disclosed fixation plate and corresponding implant can reduce the occurrence of stress shielding and permit enhanced loading of the implant site.

Systems, methods, and devices include one or more acoustics-controlling device(s). The acoustics-controlling device(s) comprise implants, fixations, patches, and / or coatings formed of a metamaterial to create a particular behavior when exposed to sound waves. An acoustic metamaterial manipulates the acoustic waves that reach it. The metamaterial has a non-uniform material distribution, a non-uniform geometry, and / or a non-uniform material property, such as a non-uniform density, a non-uniform modulus of elasticity, a non-uniform bulk modulus, combinations thereof, and so forth. The system(s) include acoustic controlling patches and implants which control a path of an acoustic signal generated by one or more speakers. An acoustic-controlling patch can include an acoustic Fresnel lens or an acoustic Luneburg lens formed onto a substrate. Furthermore, manipulating the acoustic signal includes focusing the acoustic signal, forming an acoustic vortex from the acoustic signal, steering the acoustic signal, guiding the acoustic signal, or bending the acoustic signal.

The invention relates to the technical field of artificial hip joint prostheses, in particular to an additive-manufactured hollow acetabular cup prosthesis and a manufacturing method thereof. The additive-manufactured hollow acetabular cup prosthesis comprises a plug pin, a cup body and a porous structure which are sequentially connected. The inner molded surface of the cup body comprises an inner end surface, an inner spherical surface, a conical surface, an anti-rotation lug mounting groove and a clamping groove, and the inner molded surface of the cup body is used for mounting the mortar lining; the conical surface of the cup body is used for mounting the ceramic lining, and the inner end surface, the inner spherical surface, the anti-rotation lug mounting groove and the clamping groove are not in contact with the ceramic lining; the porous structure is attached to the outer molded surface of the cup body, and the outer molded surface of the porous structure is hemispherical or semi-ellipsoidal and stops on a long axis; the porous structure and a cup body rotating shaft are short half shafts; the top end of the cup body is provided with a threaded hole used for installation in an operation, the end face of the cup body is provided with at least one powder discharging hole, and a blocking pin is installed after powder discharging. The inner spherical surface of the cup body is not provided with or is provided with at least one titanium nail hole for installing and implanting a titanium nail for initial fixation; and a communicated cavity is arranged between the end face and the outer molded surface.

The devices, systems, and methods herein described provide uniform biomaterial delivery to produce robust adhesion between an implant (e.g., an implantable screw) and a bone tissue. Furthermore, the devices, systems, and methods of the disclosure overcome challenges associated with the repair of weak or deficient bone and augmentation using injected biomaterials.

Provided herein are systems, methods and apparatuses for an eyelet interference screw and affixation of an implant to tissue employing the eyelet interference screw.