454 results about "Plastic surgery" patented technology

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 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 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.

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 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.

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.

The invention relates to a composite bone repair material, a preparation method and application, the preparation method comprises the following steps: immersing silkworm cocoons in a soap salt solution for degumming, drying to prepare degummed silk, dissolving the degummed silk in a lithium bromide solution, dialyzing for desalting, and concentrating to obtain a regenerated silk protein solution; mixing the regenerated silk fibroin solution with a gelatin solution to obtain a gel solution; mechanically shaking the gel solution, so that the gel solution is uniformly mixed, uniformly distributed bubbles are formed in the gel solution, and a silk protein / gelatin gel block is obtained; soaking and cleaning the silk protein / gelatin gel block in an ammonium sulfate solution to obtain silk protein / gelatin cross-linked gel; and freeze-drying the fibroin / gelatin cross-linked gel to obtain the fibroin / gelatin composite material. The composite bone repair material has the advantages that the composite bone repair material has a bionic porous structure, has excellent mechanical properties and also has good biocompatibility and osteogenic activity. The material can be applied to filling and regeneration repair of skull defects of the orthopedics department, the oral cavity, the plastic surgery (maxillofacial) and the neurosurgery department, and has high industrial production and clinical application prospects.

An orthopaedic surgical instrument includes an assembly collar having a cavity extending between a superior opening and an inferior opening. The cavity is sized to receive a tapered trunnion of an implanted femoral stem. A bore extends between an inferior end and a superior end of the assembly collar and is configured to align with an implant bore formed in the implanted femoral stem. The bore and the implant bore are configured to receive a fastener to secure the assembly collar to the implanted femoral stem. A method of utilizing the orthopaedic surgical instrument is also contemplated.

An orthopaedic joint replacement system is shown and described. The system includes a number of prosthetic components configured to be implanted into a patient's knee. The system also includes a number of surgical instruments configured for use in preparing the bones of the patient's knee to receive the implants. A number of methods for using the surgical instruments to prepare the bones is also disclosed.

The invention discloses injectable oxygen-carrying and medicine-carrying microbubble composite hydrogel with immunoregulation performance and a preparation method of the injectable oxygen-carrying and medicine-carrying microbubble composite hydrogel, and belongs to the field of tissue damage treatment. The preparation method comprises the following steps: carrying out a reaction on hyaluronic acid HA and dipalmitoyl phosphatidyl ethanolamine DPPE to construct a microbubble monomer DPPE-HA; the preparation method comprises the following steps: fully dissolving DPPC (dipalmitoyl phosphatidylcholine), DPPE-HA (dipalmitoyl phosphatidylcholine) and a therapeutic drug into a solvent, introducing oxygen and carrying out mechanical oscillation to obtain oxygen-carrying and drug-carrying microbubbles; the oxygen-carrying and drug-carrying microbubbles are uniformly doped into a vinyl modified natural polymer solution, and the oxygen-carrying and drug-carrying microbubble composite hydrogel is formed through photo-crosslinking. The obtained injectable microbubble hydrogel can be used for treatment of different tissue injuries, including wound repair and burn treatment, osteochondral injury repair, cardiovascular disease treatment and nerve injury repair, in addition, the injectable microbubble hydrogel can also be applied to the fields of cosmetic plastic surgery, skin regeneration and the like, and has a wide clinical application prospect.

The invention discloses a plastic surgery auxiliary strategy generation method and system based on a multi-modal medical image, and relates to the technical field of auxiliary strategy generation. After the multi-modal medical image is collected, multilevel organization structure information is extracted, and a facial structure function linkage graph is constructed; identifying a structure coupling region with a correlation influence relationship in the function linkage graph as an intervention region; reversely querying an operation strategy knowledge base based on the intervention area to obtain a candidate operation fragment set; according to the structure conflict relation matrix and the recovery time dependence matrix between the candidate operation segments, constructing an initial operation path diagram; according to aesthetic preference parameters set by a user, generating an aesthetic offset information field, and acting on the initial operation path diagram to form a structural deformation map; and based on the structural deformation map, injecting control constraints, generating a reversible control chart, and outputting a personalized operation execution path. Personalized operation path generation is realized, and dissection safety and aesthetic requirements are considered.

A filtered exhaust heat pad integrates warming, positioning, and handling via a bladder with one or more lumens, a universal inlet, and a filtered exhaust outlet. The system delivers conductive warming (37-42° C.), adjustable rigidity, and turbulence reduction, supporting pressure offloading (≤32 mmHg) and clean-to-clean transfers. The system is configurable for orthopedic, abdominal, chest, pelvic, head, and neck surgeries, and the system integrates with blankets, minimizing contamination and enhancing interoperability.

The present invention relates to matrix-forming cross-linked carboxyalkyl chitosan, to compositions comprising same, to a process for the preparation thereof and to various uses thereof, in particular in therapeutic, rheumatology, ophthalmology, cosmetic medicine, plastic surgery, open surgery, dermatology, gynecology or cosmetic fields. In particular, the invention relates to a substrate comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetylglucosamine units and glucosamine units substituted with a carboxyalkyl group, expressed in the number of moles of N-acetyl groups relative to the number of moles of total glucosamine units, the acetylation degree of the carboxyalkyl chitosan is 40%-80%, and the carboxyalkyl chitosan is crosslinked through covalent bonds between carboxyalkyl chitosan chains.

The invention belongs to the technical field of protein engineering and biology, and discloses a recombinant collagen, a coding gene thereof, a recombinant vector, a recombinant strain, a preparation method and application thereof. The amino acid sequence of the recombinant collagen is shown as SEQ ID NO. 1. The recombinant collagen is high in transdermal property, and has relatively good adhesion of fibroblasts and relatively good collagen metabolism capability of the fibroblasts. The collagen is widely applied to the fields of medical cosmetic plastic surgery, cosmetics and the like, and has a good application prospect.

A disposable, sterile guide constructed of medically-acceptable plastic used for compartmentalizing and therefore protecting the ligament or fascia during three different orthopedic surgical procedures: ECTR, ECuTR, and EPFR. This device reduces the risk of damage to any other part of the surrounding anatomy. The device is disposable and packaged so as to be sterile and therefore readily usable by the surgeon means that it can reduce the risk of infection and is a less expensive alternative to traditional non-disposable, metal instruments that must be sterilized prior to each procedure.

The present invention is entitled "Techniques for Determining the Accuracy of a Three-Dimensional Model for Use in Orthopedic Surgery." The present disclosure relates to techniques for determining the accuracy of a three-dimensional model, the three-dimensional model comprising a device having circuitry for obtaining a two-dimensional image of an anatomical object (e.g., bones of a human joint), obtaining a candidate three-dimensional model of the anatomical object, and generating a two-dimensional outline of the candidate three-dimensional model. The circuitry further applies an edge detection algorithm to the two-dimensional image to generate a corresponding edge image, and compares the two-dimensional outline to the edge image to generate a score indicating the accuracy of the candidate three-dimensional model.

An apparatus and method for inserting a femoral broach or femoral stem or acetabular cup into a bone. The apparatus includes at least one closed loop insertion mechanism to provide impacts on the associated handles of the broach, stem, or the acetabular cup; at least one sensor to sense a series of impacts, including impact angle, and to provide real-time feedback of the alignment and / or condition of the bone; and a processor operably connected to the at least one sensor. The processor includes an algorithm that receives the real-time feedback to control the force, frequency, and alignment of the impacts by the at least one closed loop insertion mechanism.

1. Name of the product in this design: Medical Plastic Surgery Liposuction Machine. 2. Application of this design: This design is intended for use in medical plastic surgery liposuction machines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a nose plastic surgery support in the technical field of plastic surgery, which comprises a first support, a second support is arranged on one side of the first support, the second support is detachably connected with the first support, a first connecting block is arranged at the top of the first support, the first connecting block is fixedly connected with the first support, and the second connecting block is fixedly connected with the first support. A first rotating cylinder is arranged on one side of the first connecting block, the first rotating cylinder and the first connecting block are fixedly connected, a first fixing bolt is arranged in the first rotating cylinder, a fixing sleeve is arranged on the surface of the first fixing bolt, a second connecting block is arranged at the top of the second support, and a second rotating cylinder is arranged on one side of the second connecting block; through the arrangement of the first support, the second support, the first connecting block, the first rotating cylinder, the second connecting block, the second rotating cylinder, the fixing sleeve, the first fixing bolt and the second fixing bolt, the function of adjusting the angle of the nose support by the nose plastic support is achieved, and the use convenience of the nose plastic support is improved.

The invention discloses an annular traction device for perineal plastic surgery, and relates to the technical field of medical instruments, the annular traction device comprises a bottom ring, the outer side of the bottom ring is fixedly connected with a fixing cover, the left side and the right side of the fixing cover are both fixedly connected with bandages, the upper side of the bottom ring is provided with a traction unit, the traction unit comprises a fixing ring, and the fixing ring is fixedly connected with the fixing cover. The fixing ring is fixedly connected to the upper side of the bottom ring, a guide block is slidably connected to the outer side of the fixing ring, a position adjusting ring is fixedly connected to the upper side of the guide block, and an opening assembly is arranged on the inner side of the position adjusting ring. According to the annular traction device for the perineal plastic surgery, through cooperation of a bottom ring, a position adjusting ring, a gear ring, a gear, a branch plate, expanding blocks, a lifting ring and an electric push rod, the expanding blocks on the two sides can rapidly expand the perineum conveniently; meanwhile, by means of a stabilizing plate, stabilizing blocks, a first control plate, a lifting rod and a second control plate, the stabilizing blocks on the two sides are unfolded and make contact with the perineum in the perineum opening process, and the stability during opening is further improved.

1. The name of the design product: body shaping clothes (right angle shoulder and chest suit). 2. The use of the design product: body shaping clothes after plastic surgery. 3. The design points of the design product: design at the shoulder. 4. The picture or photo that best shows the design points: left view. 5. The bottom view of the design product is not easily visible or not visible during use, and the bottom view is omitted. 6. The model in the design picture is not part of the protected design content.

This disclosure relates to orthopaedic implant systems and methods for restoring functionality to a bone and / or joint. The implant systems disclosed herein may include a taper locking mechanism to limit or otherwise oppose separation between components and may include one or more flanges adapted to abut an exterior of the bone.

The present application relates to a kind of nasal ala base subperiosteal implant retention method, belong to plastic surgery medical instrument technical field.The present application provides a kind of nasal ala base subperiosteal implant soft tissue suspension retention method and its implant and system.The method includes: implant is placed into maxillary bone subperiosteal interstice, and implant fixed wing is fixed with the soft tissue anchor point such as alar base ligament of alar elevating lip muscle using drug-loaded degradable suture and is suspended and fixed.Implant surface is provided with the microporous structure of guiding tissue ingrowth, and is provided with the drug depot recess of filling load immunomodulator temperature-sensitive hydrogel.Postoperative healing process, suture is released under the action of tension to accelerate proangiogenic factor and promote local vascularization, and temperature-sensitive hydrogel slow-release immunomodulator induces macrophage to repair type polarization, and cooperatively promotes the biological chimeric fixation of implant and soft tissue.The present application can realize the double stable retention of implant, reduces postoperative displacement risk.

An orthopedic implant kit comprising a lockable poly-axial screw, a tissue dilatation sleeve, a screw driver, a screw extender, a rod, rod-reduction device, a set screw driver, a torque limiting device and a screw releasing device.

An expandable bone implant for human orthopaedic surgery for restoring the volume and / or geometry of a bone, to an orthopaedic system and to a method for manufacturing the implant which includes a hollow body formed by a sheet made of a biocompatible metal alloy, closed on itself in a sealed manner, between proximal and distal ends, having, in the folded configuration, a plurality of pairs of folds, each of the pairs having an antiform fold, referred to as convex, and possible persistence of a synform fold, referred to as concave, the folds lying on top of each other in the folded configuration so that the surfaces present between each of the convex and concave folds are rolled around the longitudinal axis, the sheet being plastically deformable to allow expansion of the implant from the folded configuration to the deployed configuration, when a fluid is injected into the implant.

An orthopaedic surgical instrument for use during a surgical procedure to implant a tibial tray into a surgically-prepared proximal end of a tibia and a femoral component into a surgically-prepared distal end of a femur is disclosed. The surgical instrument includes a metallic impaction handle and a removable polymeric impaction insert.

The invention discloses a traditional Chinese medicine skin chemical stripping reagent and a preparation method thereof. The reagent comprises a saturated potassium hydroxide solution, glutinous rice, gallnut, glycerol and a centella asiatica extract which form a functional formula based on the compatibility principle of monarch, minister, assistant and guide. The preparation method comprises the steps of weighing, crushing, multi-stage stirring, filtering and cooling, closed packaging and the like, and is clear in process parameters and clear in operation path. The reagent is suitable for removing cuticles, the using method comprises dispensing, standing and flushing, the whole stripping process is mild, and the adaptability is high. Compared with traditional tartaric acid and salicylic acid exfoliating agents, the reagent is low in irritation, natural in structure and stable in formula, has the dual functions of exfoliating, repairing and conditioning, is suitable for improving various pigment increase type skin diseases, and has a good treatment effect on lesions located at the positions difficult to operate such as the nose, the lip periphery and the eye periphery. The technical scheme has good safety, ingredient controllability and popularization prospect, and is suitable for being used in the fields of orthopaedic surgery and dermatology department.

An orthopaedic prosthesis includes a femoral component (12) comprising a polymeric material. The polymeric material can include a poly(arylene ether) or a poly(oxymethylene). The orthopaedic prosthesis can include a component having an articular layer (58) and a support layer (60) adjacent the articular layer. The support layer can comprise a reinforcing fiber. The orthopaedic prosthesis can be a knee prosthesis.

Methods for understanding external and internal anatomy of bones through the use of imaging data and 3D modeling to facilitate the design of anatomically correct plates, devices and implants are disclosed. In one aspect the method results in an implant or plate that includes at least one curved surface wherein a contour of the at least one curved surface corresponds to an anatomic shape of a subject. The anatomic shape of the subject being determined based on an image of the bone.