42 results about "Implant fixation" patented technology

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.

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 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.

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.

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.

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 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.

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.

An implant for being attached to a bone, the implant comprising an implant body (111) comprising attachment means (114). A suture (112) can be attached to the attachment means (114) of the implant body (111), at least two strands (401, 402) of the suture (112) extending from the attachment means (114) through a sleeve (113) comprising a conduit (120) for receiving the suture (112) therethrough (120). The implant body (111) has a volume around the attachment means (114), and the sleeve (113) has a first end (121) configured to receive the volume of the implant body around the attachment means, and a tapered second end (122) opposite the first end (121).

An orthopedic implant includes an upper portion, a central portion having a greater lateral dimension than that of the upper portion, and a lower portion having a greater lateral dimension than the central portion. The upper portion, the central portion and the lower portion each may have at least one fixation aperture. Further, the upper portion, the central portion and the lower portion may each be non-linear and / or curved relative to at least one plane. An instrument having a body that includes a housing. The body includes a platform, at least one retention mechanism for holding the implant on the platform, an adjustment mechanism to adjust the height of the platform relative to the top surface of the housing, and a lid coupled with the housing with the top surface of the housing and the lid defining a slot configured to receive a cutting instrument.

A delivery tube for image-assisted positioning an implantable expander in a prostatic urethra. An implantable biocompatible expander suitable for implantation into a urinary duct is resiliently deformable from a relaxed radially expanded orientation to a radially contracted orientation suitable for transluminal delivery through the urinary duct. The expander may be configured to exert an outward radial force against a wall of the urinary duct when in-situ within the urinary duct. In particular, the expander is suitable for treatment of benign prostatic hyperplasia and configured for implantation into the prostatic urethra between, and substantially spanning the prostatic urethra between, the bladder neck and external sphincter.

The invention discloses a personalized implantation structure and method for improving insufficient chin anterior movement in a chin shaping surgery, the personalized implantation structure comprises an implant and a chin anterior movement osteotomy matched with the implant, and the implant is fixed on the chin anterior movement osteotomy. Compared with the prior art, osteotomy forward movement and the implant are combined together to be applied to the chin forming operation, and when the chin bone mass of a patient is insufficient, supplementation can be conducted through the implant. Compared with an autogenous bone or an artificial bone for transplantation, the implant does not need to face the problems of absorption, rejection and the like, and the risk of a secondary operation cannot be increased; meanwhile, compared with the mode that the prosthesis is completely adopted for implantation, the burden of mandibular fibrous tissue can be relieved, and the risk of implant displacement can also be reduced.

Disclosed herein are components, systems, and methods to guide and support temporary bone fixators on either side of an implant. The temporary bone fixators are securable within a fragment of a fractured bone enabling a force to be applied to the fragment, via the temporary bone fixators, to move the fragment relative to another fragment of the fractured bone. A multi-lumen cannula includes a lumen for one or more of the temporary bone fixators and a lumen for one or more permanent bone fixators that secure the implant relative to the fractured bone. The multi-lumen cannula may have a body with equal portions divided by a plane of symmetry, enabling the multi-lumen cannula to be reversibly inserted into a recess of a targeting guide that aligns the lumens of the multi-lumen cannula relative to the implant.

Disclosed herein are components, systems, and methods to secure an intramedullary implant to multiple fragments of a fractured bone and to secure an intramedullary implant to a fragment of a fractured bone using multiple modalities. The intramedullary implant includes a proximal body portion with transverse fixation holes positioned to receive bone fixators that secure a first bone fragment of the fractured bone to the intramedullary implant, a distal body portion with a deployable bone fixator that abuts an inner surface of a second bone fragment of the fractured bone, and a tapered intermediate body portion with a transverse fixation hole positioned to receive a bone fixator that secures the second bone fragment of the fractured bone to the intramedullary implant.

Systems, methods, and apparatuses include one or more acoustic control devices. These acoustic control devices include implants, fixators, patches, and / or coatings formed of metamaterials to produce specific behaviors upon exposure to sound waves. The acoustic metamaterials are capable of manipulating the sound waves arriving at them. The metamaterials have non-uniform material distribution, non-uniform geometry, and / or non-uniform material properties, such as non-uniform density, non-uniform elastic modulus, non-uniform bulk modulus, or combinations thereof. The system includes acoustic control patches and implants for modulating the path of acoustic signals generated by one or more loudspeakers. The acoustic control patches may include acoustic Fresnel lenses or acoustic Luneburg lenses formed on a substrate. Furthermore, manipulating the acoustic signals includes: focusing the acoustic signals, forming acoustic vortices from the acoustic signals, redirecting the acoustic signals, guiding the acoustic signals, or bending the acoustic signals.

Load-sensing implants, sensor packages, and surgical-site monitoring systems are disclosed. A load-sensing implant includes an attachment portion configured to secure the implant to a bone of a subject. The implant further includes a receiver portion configured to receive and secure a longitudinal member and an electronics enclosure disposed adjacent the receiver portion and forming a common wall with the receiver portion. The electronics enclosure includes a sensor package comprising multiple strain sensors disposed on a backing, the sensor package configured to sense, via the common wall, forces applied to the receiver portion by the longitudinal member and support electronics. The support electronics are configured to receive, from the sensor package, data representing the sensed forces, and transmit the received data to an external device.

A system may be used to secure an ilium to a sacrum. The system may include an implant configured to pass through an access pathway to an implantation site between the ilium and the sacrum. The system may also include one or more anchors that are deployable outward from the implant and into the sacrum and / or the ilium proximate the implant to retain the implant relative to the ilium and / or the sacrum.

A device for attaching an implant to tissue. The device comprises: a first wire having two opposite ends forming two adjustable and lockable loops; and at least one second wire slidably attached to a first one of the two adjustable and lockable rings.

Disclosed herein are components, systems, and methods to guide and support temporary bone fixators on either side of an implant. The temporary bone fixators are securable within a fragment of a fractured bone enabling a force to be applied to the fragment, via the temporary bone fixators, to move the fragment relative to another fragment of the fractured bone. A multi-lumen cannula includes a lumen for one or more of the temporary bone fixators and a lumen for one or more permanent bone fixators that secure the implant relative to the fractured bone. The multi-lumen cannula may have a body with equal portions divided by a plane of symmetry, enabling the multi-lumen cannula to be reversibly inserted into a recess of a targeting guide that aligns the lumens of the multi-lumen cannula relative to the implant.

The utility model belongs to the technical field of medical instruments, and particularly relates to implant fixing equipment which comprises a bone plate and a bone tissue, the lower end of the bone plate is fixedly connected with a bone nail, the inner bottom end of the bone nail is rotatably connected with a gear, two opposite side walls of the bone nail are provided with rectangular grooves, the inner bottom end of the bone nail is connected with two racks in a sliding mode, and the two racks are fixedly connected with the bone plate. The racks are meshed with the gears, limiting mechanisms used for limiting the racks are installed in the rectangular grooves, the side walls of the racks are connected with clamping blocks through second springs, and the upper ends of the racks are fixedly connected with sliding blocks. The device is reasonable in structure, the rotating rod is rotated to drive the gear to rotate, the racks on the two sides are promoted to move reversely, and the clamping block enters the third groove accordingly. When the clamping block touches the inner wall of the groove, the clamping block stops moving, the rack continues to move, the second spring is compressed, and tight fixation of the bone nail and the bone tissue is achieved. If fixation needs to be removed, only the rotating rod needs to be rotated reversely, special tools are not needed, surgical operation is effectively simplified, and time cost is reduced.

A novel implant for replacing a portion of an articulation surface of a joint is disclosed. The implant includes a bone-engaging surface, a hydrogel portion forming an articulation surface opposite from the first bone-engaging surface, and a bone plate portion configured for securing the implant to a bone that forms the joint.

The utility model relates to the technical field of medical instruments, in particular to a micro-motion universal pedicle screw. A screw rod, a screw sleeve and a fixing pin are arranged through the micro-motion ball head nail; the head of the screw rod is cylindrical and is matched with the size of an inner hole of the screw sleeve; an inclined hole is formed in the cylindrical structure of the head of the screw rod and is matched with a fixing pin to connect the screw sleeve into a whole; the size of the polished rod structure in the middle of the screw rod is smaller than that of an inner hole of the screw sleeve; the tail portion of the screw rod is of a ball head structure, and the ball head structure of the tail portion of the screw rod is matched with a screw base spherical cavity of the screw base and a limiting block spherical cavity of the limiting mechanism to swing, so that reliable elastic fixing is achieved while the fixing strength of an implant is guaranteed, the influence of the rigidity of the implant can be reduced, and growth of callus is promoted; the healing rate of the affected part is accelerated, and meanwhile, the risks of screw breaking, screw seat cracking and the like in clinical application are effectively reduced.

An ocular clip implant (22) used for securing an intraocular lens (IOL) (62) in an eye of a patient is provided which includes an IOL-engaging portion (26) disposed at a first end of the ocular clip implant (22). The IOL-engaging portion (26) is configured to grasp a portion of the IOL (62). An ocular-wall-engaging portion (28) is integrated with and disposed at a second end of the ocular clip implant (22). The ocular-wall-engaging portion (28) includes an anchor (29) transitionable from a first, straightened configuration to a second, non-straightened configuration to anchor the ocular clip implant (22) to a wall of the eye in order to secure the IOL (62) to the eye. Other embodiments are also described.

An implant fixation device for an implant in a bone of a patient comprising at least one unit cell, each unit cell comprising: a top member; a base member longitudinally spaced apart from the top member about a longitudinal axis; at least one connection member connected to and extending between the top member and the base member, each connection member including a reentrant geometry such that the connection member includes a curved or angled configuration that extends inwardly towards the longitudinal axis from each of the top member and base member, the reentrant geometry changing lateral direction relative to the longitudinal axis at a reentrant apex; and at least one fixation arm which extends laterally outwardly from the connection member relative to the longitudinal axis, each fixation arm having a distal end spaced away from the connection member, each fixation arm includes at least one bracing member that extends from the fixation arm towards a bracing portion of the connection member, wherein the implant fixation device is configured to be moveable between: a compact configuration in which the top member and base member are longitudinally spaced apart a first distance which configures the connection member to locate the distal end of each fixation arm in a first lateral position relative to the longitudinal axis; and an expanded configuration in which the top member and base member are longitudinally spaced apart a second distance comprising a greater spaced apart distance to the first distance relative to the longitudinal axis, which configures the connection member to locate the distal end of each fixation arm in a second lateral position which is laterally further away from the longitudinal axis relative to the first lateral position.