1010 results about "Plastic surgery" patented technology

A computer-implemented method for designing a patient-specific orthopedic implant can include creating a user account associated with a patient. A patient-specific orthopedic implant can be designed based on patient data and imaging data. A healthcare provider can provide feedback for a design of the patient-specific orthopedic implant, treatment protocol, or other aspects of treatment. The patient can provide data and feedback.

The invention discloses a burn and plastic negative pressure wound debridement and healing promoting device which is characterized in that the device comprises an application, a double-shaped connecting assembly and a negative pressure suction unit, the negative pressure suction unit comprises a base, a hollow column, a rotary driving mechanism and a negative pressure machine, a mounting cavity is formed in the base, a plurality of air pipe joints are arranged on the base in the longitudinal direction, and the air pipe joints are connected with the hollow column. The hollow column is vertically installed on the base, a plurality of negative pressure holes communicated with the interior are evenly formed in the hollow column in the circumferential direction at intervals, the negative pressure holes correspond to the air pipe joints one to one, and the negative pressure holes in the hollow column are sequentially communicated with inner ports of the corresponding air pipe joints in the clockwise direction; the invention aims to promote blood circulation and healing of burn and plastic wounds through a dynamic negative pressure technology, reduce infection risk, improve treatment effect and patient comfort, and realize repeated disassembly and assembly of the application.

The embodiment of the invention provides a multi-modal data fused postoperative plastic surgery infection early warning method and system. The method comprises the following steps: firstly, performing quality evaluation and restoration on postoperative wound images, clinical texts, wearable vital signs and baseline features; performing double-flow coding and priori segmentation on the repaired image to obtain a coarse mask; constructing a super-pixel graph, obtaining a topological consistent fine mask through a graph neural network, and quantifying the erythema / exudation area; the text and the vital signs are coded respectively and then fused with the image features and the masks through cross-attention and self-attention, and a fusion implicit vector and uncertainty are obtained through quality weight gating; an individualized dynamic threshold value is constructed by combining baseline risk, logarithmic probability calibration and a sliding window trend, a confidence band is output by using conformal prediction, and early reliable infection early warning is realized.

The invention belongs to the technical field of protein engineering and biology, and discloses a recombinant III-type humanized collagen, a coding gene thereof, a protein preparation, a preparation method of the protein preparation, application of the protein preparation and a skin care product. The amino acid sequence of the recombinant III type humanized collagen is as shown in SEQ ID NO. 1. According to the recombinant III type humanized collagen, the transdermal absorption efficiency is greatly improved, and meanwhile, the proliferation and migration capabilities of keratinocytes are also remarkably improved. The collagen is widely applied to the fields of medical cosmetic plastic surgery, cosmetics and the like, and has a good application prospect.

The invention discloses a traffic shaping method and system based on deep learning and an antagonism strategy. The shaping method comprises the following steps: monitoring network traffic in real time through a traffic monitor, capturing information of traffic data, carrying out data preprocessing, carrying out traffic feature extraction through the preprocessed traffic data, and training a DNN classifier; jointly inputting the trained DNN classifier and traffic data into a patch generation module, preliminarily generating an antagonistic patch according to a dual simulated annealing algorithm added with a multi-objective optimization algorithm, and optimizing the antagonistic patch through a self-adaptive adjustment strategy and a bandwidth overhead adjustment strategy; and patch injection: injecting the optimized antagonistic patch into the original flow data through an injection controller, and shaping the original flow data. According to the invention, the problem that the confrontation capability and the privacy security protection capability of the Internet of Things equipment when facing equipment identification and traffic analysis attacks need to be enhanced is solved.

The invention discloses an analogue simulation system based on plastic surgery, and relates to the technical field of surgery analogue simulation. The system comprises an object model construction module, an intelligent feature analysis module, a preoperative scheme design module, a mechanical simulation module, a blood and smoke simulation module, a real-time visualization and feedback module and a postoperative evaluation module. According to the invention, through a parameter construction unit and an image construction unit in the object model construction module, accurate modeling of multi-level anatomical structures such as bones, muscles, fat, skin and blood vessels is realized; through the improved smoothed particle fluid dynamic algorithm and in combination with GPU parallel calculation, accurate dynamic simulation of blood flow and smoke diffusion in plastic surgery is realized, the authenticity of the surgery environment is improved, the physical effects of blood and smoke can be vividly presented in the simulation process, and operation experience closer to reality is provided for doctors.

Disclosed herein is a patella clamp configured to grip a patient's patella. The patella clamp includes a clamping assembly, a ratchet arm assembly, and a handle assembly. The clamping assembly includes first and second patella grip portions mounted in opposing relationship. In use, actuation of the handle assembly moves the second patella grip portion towards the first patella grip portion to clamp the patient's patella. The handle assembly is configured to be moveably adjustable (e.g., rotatable) relative to the clamping assembly. In addition, and / or alternatively, the patella clamp may be configured as a tracking patella clamp arranged and configured to be used in an orthopedic computer-assisted and / or robotic surgical surgery to enable a surgeon to view a virtual patella model to visualize patella preparation steps in a computer-based environment prior to making the preparations on the patient.

The invention discloses a multi-effect sodium hyaluronate composite gel, a preparation method thereof and application of the multi-effect sodium hyaluronate composite gel in cosmetology, and belongs to the technical field of plastic surgery and general surgery implants. The multi-effect sodium hyaluronate composite gel is prepared from sodium hyaluronate gel and agarose mixed gel. The multi-effect sodium hyaluronate composite gel prepared by the invention not only can moisturize skin and supplement collagen, has the effects of whitening, resisting oxidation and resisting inflammation, but also effectively solves the problem that sodium hyaluronate, collagen and PDRN are easy to degrade, so that the beautifying effect is more long-acting, and the effect is more obvious. Therefore, the implant has better application prospect and value in the fields of plastic and aesthetic surgery and general surgical implants.

The invention belongs to the technical field of medical cosmetology and plastic surgery, and particularly relates to a hydroxyapatite microsphere facial skin filling agent for injection and a preparation method thereof. Hydroxyapatite microspheres and sodium hyaluronate are uniformly mixed, a cross-linking agent is added, and cross-linked sodium hyaluronate-hydroxyapatite core-shell structure microsphere particles which take hydroxyapatite microspheres as cores and cross-linked sodium hyaluronate as shells and are of a soft-in-hard structure can be obtained through dialysis and particle grading. The cross-linked sodium hyaluronate is used as a core-shell structure, so that the hydroxyapatite is locked in the cross-linked sodium hyaluronate, agglomeration is effectively avoided, the extrusion resistance can be well reduced by the soft-wrapped-hard core-shell structure, and the propulsive force is smaller. All the components in the hydroxyapatite microsphere facial skin filler for injection have better biocompatibility, so that the rejection of the filler in a body is reduced, and the skin problems of allergy, redness, swelling, small lumps and the like after injection and filling are effectively avoided.

The invention relates to the technical field of polymer gels, and provides a multi-crosslinking composite gel and a preparation method and application thereof, the preparation method comprises the following steps: fully dissolving an activator in a buffer solution, and adjusting the pH value of the solution to 5.0-6.0 to obtain an activated solution; sequentially adding recombinant III-type humanized collagen, polydeoxyribonucleotide and chitosan into the activated solution, and uniformly dispersing to obtain a cross-linked precursor solution; adding a cross-linking agent into the cross-linking precursor solution, reacting for a period of time to obtain a cross-linking gel intermediate, and purifying to obtain the multi-cross-linking composite gel; the invention also provides the multi-crosslinking composite gel prepared by the preparation method, and application of the multi-crosslinking composite gel in the fields of beauty and plastic surgery. The material has biodegradability and good antibacterial performance, and can ensure slow release of the material and good filling effect and anti-enzymolysis effect at the same time.

The invention relates to the technical field of image processing, in particular to a plastic surgery aided navigation method and system based on computer aiding.The method comprises the steps that a skeleton image is collected, suspected pixel points are obtained according to a gray histogram of the skeleton image, edge vectors are constructed according to skeleton edges of the skeleton image, and all center pixel points are obtained; the skeleton roughness and the edge included angle of each center pixel point are obtained, skeleton roughness abnormal factor parameters of each suspected pixel point are calculated, and all abnormal pixel points are obtained in combination with the gray value and the distance between each suspected pixel point and the nearest skeleton edge; all target pixel points are obtained according to the gray value difference between each abnormal pixel point and the surrounding pixel points, the target pixel points are clustered to obtain a plurality of target clusters, and the suspected bone uplift abnormal area is obtained after segmentation. The method aims at solving the problem of wrong segmentation caused by the fact that seed points are arranged at low-density bones, and the accuracy of bone uplift abnormal region segmentation is improved.

The shaping mechanism of the steamed dumpling machine comprises a fixed shell, a supporting plate is fixedly connected to the outer surface of the top of the fixed shell, a threaded groove is formed in the fixed shell, a rotating shaft is movably inserted into the fixed shell, and a circular limiting piece is fixedly connected to the middle of the rotating shaft; a plurality of guide grooves are formed in the upper surface of the supporting plate, a round hole is formed in the middle of the supporting plate, a rotating disc is fixedly connected to the top end of the rotating shaft, and a discharging disc is welded to the upper surface of the middle of the rotating disc. And a compression assembly is arranged above the discharging disc. According to the steamed dumpling shaping device, the rotating shaft drives the rotating disc to rotate, the shaping assembly moves along the guide groove, steamed dumplings are shaped, meanwhile, the electric telescopic rod can drive the shaping plate to extrude the upper ends of the steamed dumplings, the shapes of the steamed dumplings are more three-dimensional and attractive, and practicability is high.

An orthopaedic surgical instrument system includes a compression socket configured for coupling with a selected one of a number of compressible bases. Each compressible base is shaped to conform with a posterior surface of either a dome patella implant component or an anatomical patella implant component.

The present invention provides a cold and hot compress integrated care device for orthopedic pain patients. 【Solution means】 Belonging to the technical field of medical devices, it comprises an upper clamp plate 1 and a lower clamp plate 2 connected by a twist spring, and both have an arc portion along the curvature of the limbs. The through groove 3 is provided on the upper clamp plate 1 and extends to the lower clamp plate 2 side and reaches both ends of the upper clamp plate 1. The slide grooves are symmetrically provided on the upper clamp plate 1 in the through groove 3 and extend in an arc shape. The slide block is slidably connected in the slide groove. By the cooperation of the provided heat conduction plate and the movable parts, the spring plate gradually covers the human body, and at the same time, the movable parts receive downward pressure, thereby causing the U-shaped plate 6 to act to form a space for preventing pressure load on the human body surface, realizing the protection of the patient and the pain prevention effect.

The present disclosure relates to an expandable fastener for orthopaedic applications. The fastener is arranged for fastening when positioned in a bore hole in bone and comprises a body having an axis. The fastener further comprises an expansion portion moveable between a contracted configuration and an expanded configuration and arranged such that the expansion portion urges outwardly from the axis of the body towards the bone surrounding the bore hole when moving towards the expanded configuration. In addition, the fastener comprises a coupling member for coupling to the expansion portion. The coupling member is moveable along the axis of the body. The fastener also comprises an actuator movable along the axis of the body and arranged to move the coupling member along the axis of the body. One of the coupling member and the expansion portion comprises a recess and the other one of the coupling member and the expansion portion comprises a projection. The projection and the recess are arranged such that a hinge is formed when the projection is received in the recess and the expansion portion is movable about an axis through the projection. The projection is insertable into the recess in a first angular orientation of an axis of the expansion portion relative to the axis of the body and is prevented from retracting out of the recess in a second angular orientation of the axis of the expansion portion relative to the axis of the body.

An orthopaedic knee implant includes a femoral component having a substrate and a coating disposed on the surface of the substrate. A method for making a femoral component of an orthopaedic knee implant is also disclosed.

An orthopedic staple system and orthopedic staple are configured to facilitate bone healing through dynamic and adjustable compression. The system comprises the orthopedic staple having a bridge portion and one or more legs that anchor into bone structure. The bridge portion is configurable to include compression features, comprising a pre-compressed chevron, an “S” shaped deformable path, or other suitable geometries to enable active post-operative compression. The staple can be configured to accommodate a single screw or multiple screws, which interact with the bridge to apply targeted compressive forces. Screws can be seated in either fixed or translatable pockets within the bridge, facilitating variable angle adjustments and bone remodeling. This system is optimized for minimally invasive surgical applications, promoting healing and integration, and enhancing overall patient outcomes.

An orthopaedic knee prosthesis includes a femoral component and a tibial insert including a post. The femoral component is configured to articular on the tibial insert. The post of the tibial insert includes features that facilitate the medial pivoting of the femoral component through a range of flexion.

Provided are biosynthetic human structural material type VI collagen and a preparation method therefor. The collagen comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 and 21, or a variant thereof, and can be used as a biological dressing, a human bionic material, a plastic surgery material or the like.

Orthopedic implants and related surgical methods for using same. The implants have suture bore geometries that facilitate performance of the surgical methods, thereby providing for improved optimal biomechanical force application in various anatomies. The implants include suture bores that have an angled / diagonal, or skewed, orientation within the anatomical planes (lateral / sagittal and frontal / coronal). The suture bores have the skewed orientation so that the adjacent soft tissues (i.e., tendons or ligaments) can be advanced via the suture therethrough in superior-inferior and inferior-superior directions. Openings, or holes, at the ends of the suture bores are configured to approximate the adjacent associated soft tissue to the implant.

The utility model discloses an adjustable nasal cavity distraction device for plastic surgery, which comprises a nasal cavity distraction mechanism, the nasal cavity distraction mechanism comprises a support rod, a distraction driving component and a distraction device, the distraction device comprises a plurality of distraction flaps, the distraction flaps are arranged on the support rod in a circumferential array mode, the distraction driving component is sleeved on the support rod, and the distraction driving component is arranged on the support rod. The distraction driving assembly drives the multiple distraction petals to move up and down in a forward and reverse rotation mode so as to expand outwards or contract inwards, the multiple distraction petals can be driven to move upwards or downwards at the same time by rotating the distraction driving assembly, and therefore the function that the distraction device expands outwards or contracts inwards is achieved. The nasal cavity distraction device is suitable for different patients and can be adjusted in real time according to the recovery conditions of the patients in the recovery period of the patients, nasal cavity distraction devices of various specifications and types do not need to be prepared, waste is avoided, and operation is reduced.

The invention relates to the technical field of peek skull defect repair, in particular to a skull defect repair structure based on structural reconstruction of a peek skull repair material, which comprises a repair patch, a plurality of hourglass-shaped pore channels are formed in the surface of the repair patch, the diameter of the port of a horn-shaped concave groove is larger than that of the tail of the horn-shaped concave groove, the diameter of the port is 1.5 mm, the diameter of the tail of the horn-shaped concave groove is 0.05 mm, and the diameter of the hourglass-shaped pore channels is 1.5 mm. The hourglass-shaped hole channel is designed to be in an hourglass shape with two wide ends and a slender channel, the contact area between the two ends of the hole channel and healthy skull tissue is increased, growth, climbing and combination of granulation tissue are facilitated, meanwhile, attachment, adhesion and healing of soft tissue inside and outside a growth promoting layer repairing material are facilitated, the integration degree of the implant is further improved, and the survival rate of the implant is increased. And the outer surface of the PEEK is covered with the convex structures, so that the contact area between the PEEK material and tissues can be increased, the growth and combination of the tissues are facilitated, and individualized design conforming to aesthetic plastic surgery, thickening design for supplementing temporal muscle atrophy space and mutual embedding of the PEEK material and the skull are carried out.

A system and computer-implemented method for manufacturing an orthopedic implant involves analyzing tissue characteristics based on image data of anatomy. Image data of a patient can be analyzed to identify at least one tissue characteristic at different locations along anatomic elements of anatomy of interest. A patient-specific implant configuration can be determined based on the analysis of the image data of a patient.

The invention provides a rehabilitation nursing planning method and system for plastic burn of a patient, and the method comprises the steps: collecting the physiological parameters, psychological state information and skin healing conditions of the patient, obtaining the basic information of the patient, and carrying out the analysis to generate a health condition score; based on the health condition score and the personalized rehabilitation target, a genetic algorithm is adopted to generate a rehabilitation activity scheme; constructing an uncertainty model by using a Bayesian network, and predicting result distribution of different treatment paths; performing global optimization on the rehabilitation activity scheme by using a mixed integer programming algorithm in combination with the optimization target, the constraint condition and the result distribution to obtain a rehabilitation activity combination implementation strategy; in the implementation process, a closed-loop feedback mechanism is used for regularly collecting and analyzing the actual reaction condition of a patient, and a deep reinforcement learning algorithm is used for adjustment to obtain a target rehabilitation activity combination implementation strategy; according to the invention, highly personalized rehabilitation nursing of the plastic burn patient is realized, the adaptability and the flexibility are high, and the rehabilitation experience and the treatment effect of the patient are improved.

The invention discloses a free-form surface beam shaping device and method, and belongs to the technical field of light distribution regulation and control. The free-form surface beam shaping method provided by the invention comprises the following steps: firstly, generating a standardized incident and emergent surface grid distribution diagram, then respectively mapping the standardized incident and emergent surface grid distribution diagram to a free-form surface and a target surface, and then calculating normal vectors of corresponding sampling points on the free-form surface according to the directions of incident light and emergent light, sampling points on the free-form surface are calculated based on normal vectors, and the method can design a free-form surface optical element to regulate and control light distribution. By integrating the designed free-form surface optical elements into the optical element array, light distribution regulation and control can be carried out on multiple light beams. The design method has very strong universality, can design free-form surface light distribution regulation and control aiming at multiple light sources and multiple light beams, realizes application in a high-power application scene, and can realize accurate regulation and control on non-zero expansion quantity light beams.

A thin-blade chisel system, for separating an outer surface of an orthopedic implant and an inner surface of a bone from each other, includes a thin-blade chisel having a blade tip at a distal end portion in a longitudinal direction, and a hammering direction changing tool engaged with the thin-blade chisel to apply a force in an advancing direction of the blade tip. The thin-blade chisel includes a hammering blow-receiving part, preferably a through hole penetrating in a thickness direction, at a predetermined position on a proximal side closer to the surgeon. The hammering direction changing tool includes a hammering portion to be hammered, located at a proximal end portion, and a recess formed at a distal end portion, to be engaged with an inner circumferential surface of the through hole.

An implant part for an orthopedic knee joint prosthesis has a surface region which faces and contacts bone in an implanted state. A least part of the implant part is made from a plastics material, in particular polyether ether ketone or polyether ether ketone composite material. The implant part has a three-dimensional surface structure in the surface region facing the bone. The three-dimensional surface structure includes a rib structure, a first rib portion extending in a plane on a surface of the surface region, or a first rib of the rib structure extending in the plane on the surface of the surface region, and a second rib portion extending in the plane on the surface of the surface region, or a second rib of the rib structure extending in the plane on the surface of the surface region extending in the plane in different directions, at least in portions.

An orthopedic device has a hinge assembly including: a first hinge arm having a first longitudinal axis, and defining a first end portion having a first opening defining a first axis so the first hinge arm is pivotable about the axis; a second hinge arm having a second longitudinal axis, and defining a second end portion having a second opening defining a second axis and the second hinge arm is pivotable about the second axis. When the first and second longitudinal axes are coaxial, the second opening is arranged along a third longitudinal axis parallel to the first and second longitudinal axes and offset by a distance. The orthopedic device includes additional features including frame components and liner, contoured and formed geometrically with materials providing an improved fit.

The present invention relates to an implant fusion device and a method of manufacturing an implant fusion device. More particularly an orthopedic or spinal implant configured to be implanted between adjacent vertebrae or within a gap in a bone or between bones, the device having a manufactured body structure simulating the physical characteristics of trabecular bone, but with improved osteoinductive features on the exterior surface wherein the device is fabricated using 3D printing. Alternatively, the implant may be made through 3D printing in a manner that results in a relatively or completely solid structure, but with a surface that mimics trabecular bone structure.