62results about "Hip joints" patented technology

Various embodiments of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, an implant for interfacing with a bone structure includes a web structure, including a space truss, configured to interface with human bone tissue. The space truss includes two or more planar truss units having a plurality of struts joined at nodes. Implant are optimized for the expected stress applied at the bone structure site.

Embodiments provide a method for determining an alternating magnetic field (AMF) transmitter design that produces a magnetic field that achieves a more uniform surface current or heating of an implant. Embodiments may utilize the method to be applicable to different geometries of implants and AMF transmitters. Embodiments produce a non-uniform magnetic field that in turn produces a more uniform current density / distribution on the implant surface. This leads to uniform heating and consistent biofilm reduction, while minimizing damage to adjacent tissues. Also, the differences in electrical properties such as conductivity, permittivity, and permeability of the implant components can be factored into the design process to achieve a uniform current density / distribution across components. An ultimate benefit derived from embodiments described herein is consistent biofilm reduction, inactivation, eradication, destruction, and / or removal and improved safety arising from heat conduction into surrounding tissues.

This invention discloses a hip joint prosthesis for bone defects, comprising a crescent-shaped acetabular rim filler assembly, a bone-metal defect block, an acetabular wall defect support block, a cylindrical support block, an angle pad, a locking screw, a locking nut, an assembly screw, an acetabular sealing screw, and an acetabular support block. The crescent-shaped acetabular rim filler assembly includes two sets of crescent-shaped acetabular rim fillers, which are assembled by engaging pins through pin holes. The outer circumference of the bone-metal defect block of the acetabular support block is connected to the crescent-shaped acetabular rim filler assembly via bone cement. This hip joint prosthesis for bone defects effectively fills irregular defect areas of the acetabular rim. The various screw holes and Kirschner wire holes on its surface provide multi-dimensional fixation options. The overall structure, through the synergistic action of multiple components, achieves precise reconstruction while ensuring biomechanical performance, significantly reducing the risk of postoperative prosthesis loosening and wear.

An implantable device for penile construction includes an anchor plate configured to be coupled to a pelvic bone of a patient, where the anchor plate has an attachment interface configured to be coupled to a penile prosthesis after the anchor plate is coupled to the pelvic bone.

The described system designed to promote the biological attachment of fibrous connective tissue to a bone implant features a bone implant with a scaffold defining a porous attachment surface, a suction port, and a manifold that distributes a negative pressure gradient across the attachment surface. The system also includes an extracorporeal vacuum pump and a percutaneous suction hose connecting the suction port of the implant to the vacuum pump. The implant is placed in the patient's body with connective tissue applied over the attachment surface, and the suction hose is attached and connected to the vacuum pump. The vacuum pump, operating outside the body, creates a negative pressure gradient over an extended period, promoting the growth of slow growing Sharpey's fibres for superior biological integration. A highly vascularised tissue graft, such as a pedicled muscle flap, may be applied adjacent to the avascular tendon to enhance endogenous growth factor migration.

A sacroiliac joint implant is formed from a web structure having a space truss with two or more planar truss units having a plurality of struts joined at nodes. The web structure is configured for fusion of a sacroiliac joint.

The described system, designed to promote the biological attachment of fibrous connective tissue to a bone implant, features a bone implant having a scaffold defining a porous attachment surface, a suction port, and a manifold distributing a negative pressure gradient across the entire attachment surface. The system also includes an external vacuum pump and a percutaneous suction hose connecting the implant's suction port to the vacuum pump. The implant is placed inside the patient's body with the connective tissue grafted to the attachment surface, the suction hose is attached, and it is connected to the vacuum pump. The vacuum pump, operating outside the body, creates a negative pressure gradient over an extended period, promoting the growth of Sharpey's fibers, which grow slowly for optimal biological integration. To promote endogenous growth factor transport, highly vascularized tissue grafts, such as pedicled muscle flaps, may be grafted adjacent to avascular tendons.

The system, method, and apparatus includes a platform having a transparent material defining a first measurement surface. A light surface is disposed to provide light into the transparent material and generate a frustrated total internal reflection (FTIR) event in response to contact at the first measurement surface. The system also includes one or more wearable devices having a base material operable to cover a portion of a human body. An inner surface of the base material defines a second measurement surface. Further, one or more sensors disposed on the base material are operable to collect data at the second measurement surface. Further, the health parameter monitoring system presents displacement motion regimen information on a display screen, such as a virtual reality (VR) headset. The system collects first health parameter data from the first measurement surface based on the FTIR event; and / or collects second health parameter data from the second measurement surface.

An orthopedic implant assembly includes a bone plate configured to couple the implant assembly to a fractured bone. A piezoelectric component is disposed on the bone plate and configured to produce an electrical output corresponding to a load the piezoelectric component is subjected to. When the implant is in contact with the fractured bone the electrical output is transmitted to the fractured bone.

Methods, compositions, and systems are provided for characterization of modified nucleic acids. In certain preferred embodiments, single molecule sequencing methods are provided for identification of modified nucleotides within nucleic acid sequences. Modifications detectable by the methods provided herein include chemically modified bases, enzymatically modified bases, abasic sites, non-natural bases, secondary structures, and agents bound to a template nucleic acid.

Systems, methods, and apparatuses include a health parameter detection apparatus. The apparatus includes a platform having a measurement surface, the measurement surface being a first surface. The measurement surface is operable to contact a target area of a user. The apparatus includes one or more light sources disposed proximate to a transparent material and operable to transmit light into the transparent material. The apparatus further includes an internal mirror forming a first angle with the measurement surface and / or a camera such that the camera is operable to receive scattered light caused by frustrated total internal reflection (FTIR) occurring on the measurement surface and reflected from the mirror. The platform can form a portion of at least one of a treadmill, an elliptical machine, a rowing machine, a stair-stepper, or a leg press machine.

Devices that are implantable within a patient's body, and more specifically, to implantable joints (e.g. hip joint, knee joint, shoulder joint, etc.) having a heating system. For example, a device implantable within a patient's body may include a first member configured to be coupled to a first bone and a second member configured to be coupled to a second bone, the first and second members being operatively coupled to form a moveable joint. A heating system may be configured to controllably heat at least a portion of the at least one of the first and second members. The heating system may include a controller operable to cause a heating element to apply heat based on one or more external conditions (e.g. temperature, humidity, etc.).

Existing approaches in this domain are targeted to identifying specific anomalies, and there is no system available that determines implant health comprehensively by considering various aspects that may represent health of the implants. The method and system disclosed herein provide an implant health monitoring approach in which by processing an X-ray image received as input, a system identifies location of an implant in body of a subject, and identifies manufacturer and subtype details of the implant. Further, an implant size and implant fixation details are determined. Further, anomaly detection is performed to determine presence of one or more anomalies in the implant, based on the determined manufacturer and subtype details, the determined location of the implant, a determined region around the implant, the implant fixation details, and the implant size information, and accordingly the implant is classified as one of Faulty, Healthy, and Probable faulty.

A system and method (100) for estimating range of motion of a joint (3) connecting a first bone (5) to a second bone (7), the joint comprising a point of rotation (9) defining rotation of the first bone relative to the second bone. The method comprises: obtaining (110) a digital model of the joint that includes, for each bone (5, 7), respective mesh models with sets of mesh points that represent the bone; determining (120) polar coordinates for the set of mesh points, with the point of rotation (9) as a pole (21) of the polar coordinates; and calculating (130), based on the polar coordinates, multiple angular distance values relating to rotation of the joint, where the multiple angular distance values are indicative of an angular distance between points in the set of mesh points, and the angular distance being indicative of the range of motion of the joint.

Systems, methods, and devices include a nervous system function assessment system involving a first assessment tool (e.g., a hammer) having one or more first sensors. The system includes a second assessment tool that is a wearable device operable to be wrapped around a body part of a subject. One or more second sensors are disposed on the wearable device operable to sense a target region at the body part. The system collects, from the first assessment tool, first sensor data corresponding to an assessment event at the first assessment tool; and collects, from the second assessment tool, second sensor data corresponding to the assessment event. Additionally, the system presents, on a display, an indication of an objective nervous system assessment parameter value computed based on the first sensor data and the second sensor data. The objective nervous system assessment parameter value can be computed based on the first sensor data and / or the second sensor data.

Medical devices are provided, comprising a medical device and a sensor.

According to an embodiment a combined hard and / or soft tissue medical implant may be provided for orthopedic and neurosurgical management of disease. The medical implant may further include an integrated reservoir, embedded pump-assisted smart technology, a strategic high-profile port for easy and safe access just underneath the neighboring skin, and one or more embedded catheters to deliver medication or cellular therapies.

This invention provides a bioceramic liner for total hip replacement surgery, belonging to the fields of medical clinical and biomaterials technology. It includes a shaft with a transmission sleeve sleeved on its outer side, and a limiting sleeve sleeve sleeved on the outer side of the transmission sleeve sleeve; and a fixing component for fixing the ceramic liner and assisting in press-fitting the ceramic liner. The fixing component is connected to both the transmission sleeve sleeve and the limiting sleeve sleeve. This invention, by setting a ceramic liner and progressively spraying a titanium layer, a coarse titanium layer, and a hydroxyapatite coating onto the acetabular surface of the ceramic liner, ultimately forms a sandwich structure on the acetabular surface of the ceramic liner. During surgery, it directly presses against the acetabulum, achieving osseointegration. This eliminates the need for an acetabular cup prosthesis, to some extent solving the problems of incorrect assembly of the acetabular cup and ceramic liner caused by existing technologies, as well as deformation during press-fitting of the metal acetabular cup, which leads to increased incidence of ceramic liner breakage and abnormal noise.

The utility model discloses a hip joint holding device for a hip joint replacement surgery navigation system, which is characterized in that a hip joint holder is fixed by a mechanical arm, and a flexible component is arranged between the hip joint holder and the mechanical arm, so that the depth and the force of a grinding file can be effectively controlled, the size of an acetabular fossa of the grinding file is greatly increased, and the grinding file is more stable. The flexible assembly is additionally provided with a lamp belt, different states are displayed for operation of the mechanical arm through the color of the lamp belt, the flexible ring is additionally provided with a binding belt groove, a binding belt can be fixed in the groove when a sterile cover is sleeved, the binding belt is prevented from falling off, and the sterile space is prevented from making contact with bacteria substances.

The invention relates to devices, systems, and methods for using and monitoring medical devices. A medical device is provided, including a medical device and a sensor.

Methods, systems, and devices for heating orthopedic implants. The system includes an orthopedic implant receiving heat from a heating device. The heating device includes a heating element and a casing supporting or housing the heating element. A control unit provides precise and reliable operation of the heating element by managing power delivery, regulating temperature, and ensuring safe and effective functioning of the heating device during orthopedic surgical procedures. The casing is shaped and dimensioned for engagement with an orthopedic implant. Briefly, according to the method, resistive heat is applied to the orthopedic implant by first accessing an exposed implant surface, applying a retractor instrument to aid in exposure of the orthopedic implant and protection of surrounding soft tissues, attaching a heating device to the exposed implant surface, and activating the heating device.

The utility model belongs to the field of medical tools of femoral stems, and discloses a femoral stem pulling-out clamp which comprises a main body, the main body is provided with a sliding way and a locking block assembly located in the sliding way, the locking block assembly is in sliding fit with the sliding way, a first end of the sliding way is provided with a locking hole for the neck of a femoral stem to penetrate, one side of the locking hole is communicated with the sliding way, and the other side of the locking hole is communicated with the locking block assembly. A handle hinged to the main body is arranged at the second end of the slide way, the handle is in transmission fit with the first end of the locking block assembly, and when the handle rotates to a preset angle, the second end of the locking block assembly moves into the lock hole so as to be clamped on a neck clamping structure of a femoral stem, and the femoral stem abuts against the interior of the lock hole; according to the scheme, the number of contact points and the contact area of the clamp in the circumferential direction of the neck of the femoral stem can be increased, so that the tension transmission effect is improved, the neck of the femoral stem is evenly stressed in the circumferential direction, pull-out resistance is avoided, the operation difficulty is reduced, the use experience feeling is improved, and meanwhile the connection stability and the connection strength are improved.

A three-dimensional periodic minimal curved surface conformal design-based pelvis comprises a pelvis prosthesis body, the pelvis prosthesis body is of a pore structure which is integrally formed through 3D printing and is formed by a plurality of three-dimensional periodic minimal curved surface (TPMS) metamaterial filling units, and the pelvis prosthesis is in a geometric shape symmetrical to a healthy pelvis side. The mounting end of the pelvic prosthesis is tangent to a pelvic defect part, the TPMS metamaterial can realize a complex geometrical shape under micron-level precision and can efficiently adapt to pelvis with different damage degrees, and the TPMS structure has bicontinuous or multi-continuous geometrical characteristics and can provide extremely high surface area and porosity in unit volume, so that the pelvic prosthesis can be applied to the pelvis with different damage degrees. The high surface area of the TPMS microstructure provides sufficient space for adhesion and growth of bone cells, and meanwhile, rapid invasion of vascular tissues and efficient transportation of nutrient substances are promoted through the continuous open pore channel design of the TPMS microstructure. Due to the characteristic, the osseointegration process can be accelerated, and the rehabilitation period of a patient can be remarkably shortened.

The present invention relates to apparatuses, methods and systems comprising a frustrated total internal reflection (FTIR) based scanning device. The FTIR based scanning device comprises a transparent medium and one or more electromagnetic wave emitters that can emit scanning light into the transparent medium during a sample scanning procedure. One or more electromagnetic wave sensors, cameras and / or microscopes are directed towards a detection face of the transparent medium. These detection components receive scattered light from a sample contact face through the detection face. The apparatus utilizes the scattered light to render a sample surface topography or material composition of the sample contact face during the sample scanning procedure. Furthermore, the one or more electromagnetic wave emitters can comprise a plurality of LEDs or electromagnetic wave emitters corresponding to different wavelengths for generating a three-dimensional topography image from the scattered light.

An instrument registers and tracks a portion of a patient's anatomy by an Augmented Reality (AR) device worn by a surgeon during a surgical procedure. The instrument may be attached to the patient's anatomy. The instrument may be a tripod with a platform. A target plate having front and back faces may be securely attached to the platform. A two-dimensional (2D) code detectable by the AR device may be presented on the front and back faces of the target plate. The 2D code may define a coordinate system having a known relationship to a coordinate system for the patient's anatomy, e.g., through a transformation matrix. The AR device may utilize the coordinate system for the detected 2D code and the transformation matrix to present holograms in predetermined positions relative to the patient's anatomy.

The invention relates to the technical field of artificial joint prostheses, in particular to a polyethylene composite molded artificial joint friction liner and a preparation method thereof, and the method comprises the following steps: firstly, respectively manufacturing a high-crosslinking blank and a non-crosslinking blank, and enabling the high-crosslinking blank and the non-crosslinking blank to have matched contact interfaces; then putting the two parts into a mold consisting of an inner mold and an outer mold according to a position relationship, and ensuring that all contact surfaces are matched and butted; then carrying out mold pressing treatment, firstly applying initial pressure at low temperature, then heating to 150-250 DEG C and boosting to 10-20 MPa for hot-pressing compounding, so that a non-crosslinking part is molten and is integrated with a high-crosslinking part at an interface; and finally, cooling, demolding and machining to obtain a finished product. The friction surface of the prepared friction liner is made of a high-crosslinking material, the friction liner is endowed with excellent wear resistance, the base body of the friction liner is made of a non-crosslinking material, excellent mechanical strength and toughness are provided, and the technical problem that wear resistance and impact resistance of an artificial joint are difficult to consider at the same time is perfectly solved.

The application relates to the technical field of medical prostheses, and discloses a porous metal pad block for extension fixation and used for acetabular severe bone defect reconstruction, which is used in cooperation with an acetabular cup and comprises a supporting plate, the bottom surface of the supporting plate is used for receiving the acetabular cup; a supporting wing, one end of the supporting wing is fixed to one end of the supporting plate, the supporting wing is arranged at an included angle between the supporting plate, the side of the supporting wing away from the supporting plate is used for being attached to the remaining host bone of the acetabulum, and a fixing part for arranging a fixing piece is arranged on the supporting wing, wherein the fixing piece is used for being fixed with the remaining host bone of the acetabulum; and a tooth structure, the tooth structure is arranged at the bottom of the side of the supporting wing away from the supporting plate and comprises at least two strip-shaped teeth arranged in a comb shape, one end of each strip-shaped tooth is fixed to the side of the supporting wing away from the supporting plate, and the other end is suspended. The application has the effects of reconstructing excellent acetabular stability, restoring the original physiological function of a patient, reducing the economic burden of the patient, and reducing the waiting period of the patient.

Various embodiments of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, an implant for interfacing with a bone structure includes a web structure, including a space truss, configured to interface with human bone tissue. The space truss includes two or more planar truss units having a plurality of struts joined at nodes. Implants are coated with, or have struts formed from, a piezoelectric material to enhance bone growth around and through the implant.

The utility model relates to the technical field of surgical auxiliary instruments, in particular to a novel positioning device for prosthesis implantation in hip replacement surgery, which comprises a telescopic support rod, an adjusting pad is connected to the end of the telescopic support rod, and rotating columns are connected to two sides of the adjusting pad; one side of the adjusting sleeve is provided with a movable hole for the telescopic supporting rod to move close to one end of the adjusting pad, the adjusting pad is arranged in the adjusting sleeve, and the two sides of the adjusting sleeve are provided with strip-shaped holes for the rotating column to move; any point can be selected as a fixing point only by exposing acetabulum edge bone, then the positioning device is installed, an acetabulum test mold with the minimum size is placed at the acetabulum bottom, after forward inclination and abduction angles are evaluated, the telescopic supporting rod is adjusted to be consistent with the acetabulum test mold rod at the moment in direction, and the telescopic supporting rod is firmly fixed through the screw plug. The positioning device is an effective aiming device in the operation, is simple, convenient and practical, can be removed after the acetabular prosthesis is placed, and can be disinfected for use or used in a disposable mode.