46 results about "Breast reconstruction" patented technology

Allografts for soft tissue repair, including breast reconstruction and other plastic surgery procedures, are disclosed. In an exemplary embodiment, first and second cuts are made into the reticular layer of a skin sample to separate an improved acellular dermal matrix (ACDM) which forms a dermal tissue form useful as a graft. The dermal tissue form consists essentially of reticular dermis and has a first exposed surface formed by reticular dermis, an opposite second exposed surface formed by reticular dermis, and has substantially uniform density and uniform porosity between the first and second exposed surfaces, which allows and promotes rapid and efficient cellular ingrowth and tissue ingrowth substantially equally from either the first or second exposed surfaces upon implantation.

The invention discloses a complete-cycle information interaction system for a breast reconstruction patient, and relates to the technical field of information interaction of the breast reconstruction patient, and the system comprises the steps: collecting patient information and expert literature information, and carrying out the preprocessing of the collected information; creating a breast reconstruction patient rehabilitation exercise virtual simulation model for visual display, and synchronizing patient information in real time; calculating a patient rehabilitation coefficient, and evaluating a patient rehabilitation state; the patient and family members are assisted in virtual patient nursing learning; and encrypting the patient information, and storing the patient information. The rehabilitation state of the patient is evaluated, nursing skill training is performed on the patient and family members, the rehabilitation state of the patient is monitored in real time, the nursing risk prevention consciousness and the coping capacity of the patient and the family members are improved, nursing risks caused by misoperation and improper coping are reduced, problems occurring in the rehabilitation process are found in time, the treatment strategy is adjusted, and the rehabilitation effect of the patient is improved. A medical team is helped to formulate a personalized rehabilitation plan according to the unique condition of each patient, and long-term health and stability of the patients are maintained.

The invention discloses a complete-cycle nursing simulation training system for a breast reconstruction patient, and relates to the technical field of nursing simulation training for the breast reconstruction patient, and the system comprises a collection and preparation module which is used for collecting breast reconstruction data and constructing a support vector machine (SVM) model to generate a rehabilitation scheme; the guidance acquisition module is used for guiding the patient to act by using AR, and the patient acquires a rehabilitation scheme; the rehabilitation module is used for collecting patient data to generate a rehabilitation scheme; the adjustment encryption module is used for collecting feedback of the patient for adjustment and performing security encryption on the transmitted data; and the visual storage module is used for displaying the rehabilitation scheme of the patient in real time and storing breast reconstruction data. By integrating automatic literature capture, natural language processing, the support vector machine, the AR technology and the intelligent wearable device, the whole-process intelligence from rehabilitation scheme generation to real-time action guidance and rehabilitation effect evaluation is realized, and the use convenience and data security of a patient are improved.

Embodiments described herein relate to a support device configured to provide tissue support, during implant-based breast surgery. Embodiments described herein include a matrix sheet disposed in a foldable sheet including one or more templates including at least one of a partial support template and a full support template. The partial support template is configured for use in shaping the matrix sheet into a support device for partial coverage for a breast prosthesis. The full support template is configured for use in shaping the matrix sheet into a support device for full coverage for a breast prosthesis. In some embodiments, the support device is a bioabsorbable mesh substrate, a bioabsorbable polymer coating, and one or more active pharmaceutical agents for delivery at the surgical site. The support device may be provided in various shapes for coverage of the breast prosthesis or provided with templates for various coverage of the breast prosthesis. The support device forms a macroporous scaffold, and the macroporous scaffold may act as a lattice for new tissue ingrowth.

Described herein is a medical device mold for use in positioning a medical device in the body. The mold holds implantable medical devices such as breast implants in three dimensions thereby overcoming limitations associated with breast reconstruction and augmentation. Methods of use are also described herein.

Embodiments described herein relate to a support device configured to provide tissue support, during implant-based breast surgery. Embodiments described herein include a matrix sheet disposed in a foldable sheet including one or more templates including at least one of a partial support template and a full support template. The partial support template is configured for use in shaping the matrix sheet into a support device for partial coverage for a breast prosthesis. The full support template is configured for use in shaping the matrix sheet into a support device for full coverage for a breast prosthesis. In some embodiments, the support device is a bioabsorbable mesh substrate, a bioabsorbable polymer coating, and one or more active pharmaceutical agents for delivery at the surgical site. The support device may be provided in various shapes for coverage of the breast prosthesis or provided with templates for various coverage of the breast prosthesis. The support device forms a macroporous scaffold, and the macroporous scaffold may act as a lattice for new tissue ingrowth.

Embodiments described herein relate to a support device configured to provide tissue support, during implant-based breast surgery. Embodiments described herein include a matrix sheet (1002) disposed in a foldable sheet (1104) including one or more templates including at least one of a partial support template (1110a, 1110b) and a full support template (1120). The partial support template is configured for use in shaping the matrix sheet into a support device for partial coverage for a breast prosthesis. The full support template is configured for use in shaping the matrix sheet into a support device for full coverage for a breast prosthesis. In some embodiments, the support device is a bioabsorbable mesh substrate, a bioabsorbable polymer coating, and one or more active pharmaceutical agents for delivery at the surgical site. The support device may be provided in various shapes for coverage of the breast prosthesis or provided with templates for various coverage of the breast prosthesis. The support device forms a macroporous scaffold, and the macroporous scaffold may act as a lattice for new tissue ingrowth.

Embodiments described herein relate to a support device configured to provide tissue support, during implant-based breast surgery. Embodiments described herein include a matrix sheet disposed in a foldable sheet including one or more templates including at least one of a partial support template and a full support template. The partial support template is configured for use in shaping the matrix sheet into a support device for partial coverage for a breast prosthesis. The full support template is configured for use in shaping the matrix sheet into a support device for full coverage for a breast prosthesis. In some embodiments, the support device is a bioabsorbable mesh substrate, a bioabsorbable polymer coating, and one or more active pharmaceutical agents for delivery at the surgical site. The support device may be provided in various shapes for coverage of the breast prosthesis or provided with templates for various coverage of the breast prosthesis. The support device forms a macroporous scaffold, and the macroporous scaffold may act as a lattice for new tissue ingrowth.

Improved allografts having controlled and consistent properties and useful for soft tissue repair, including breast reconstruction, and other surgical procedures, are disclosed. In one embodiment, an improved acellular dermal matrix (ADM) is produced from a skin sample, where the ADM consists essentially of a single dermal tissue type (e.g., papillary or reticular) and comprises a collagen matrix having substantially uniform density and porosity. In another embodiment, two ADMs are produced from the same dermal tissue type (e.g., papillary or reticular) of the same skin sample, each of which consists essentially of reticular dermis, and comprises a collagen matrix having substantially uniform density and porosity. All such improved ADMs are suitable for use in breast reconstruction and other tissue repair and modification surgery procedures.

The invention discloses an iron-doped molybdenum oxide synergistically enhanced polycaprolactone breast patch and a preparation method thereof.The preparation method comprises the following steps that ferric chloride hexahydrate serves as an iron source, ammonium molybdate tetrahydrate serves as a molybdenum source, and Fe-MoOv nano-enzyme rich in oxygen vacancies is prepared through a simple one-step solvothermal method; then, the Fe-MoOv nano enzyme and polycaprolactone (PCL) powder are dispersed in ethyl alcohol, and PCL / Fe-MoOv composite powder is obtained through ultrasonic mixing, centrifugal drying and grinding; finally, the composite powder is prepared into the PCL / Fe-MoOv breast patch through a selective laser sintering technology, the obtained PCL / Fe-MoOv breast patch aims at providing necessary mechanical support for a prosthesis implanted in the breast reconstruction process after a breast cancer operation and effectively inhibiting tumor recurrence, and the PCL / Fe-MoOv breast patch has the excellent photo-thermal performance and can be used for preparing the breast patch. The PCL / Fe-MoOv breast patch disclosed by the invention realizes combined treatment of a photothermal therapy and a chemodynamic therapy, has a remarkable anti-tumor effect, and has a wide application prospect in the field of breast cancer treatment.

Resorbable implants comprising poly(butylene succinate) and copolymers thereof have been developed. The implants implants are preferably sterilized, and contain less than 20 endotoxin units per device as determined by the limulus amebocyte lysate (LAL) assay, and are particularly suitable for use in procedures where prolonged strength retention is necessary, and can include one or more bioactive agents. The implants may be made from fibers and meshes of poly(butylene succinate) and copolymers thereof, or by 3d printing, and the fibers may be oriented. Coverings and receptacles made from forms of poly(butylene succinate) and copolymers thereof have also been developed for use with cardiac rhythm management devices and other implantable devices. These coverings and receptacles may be used to hold, or partially / fully cover, devices such as pacemakers and neurostimulators. The coverings and receptacles are made from meshes, webs, lattices, non-wovens, films, fibers, and foams, and contain antibiotics such as rifampin and minocycline.

Absorbable implants for breast surgery that conform to the breast parenchyma and surrounding chest wall have been developed. These implants support newly lifted breast parenchyma, and / or a breast implant. The implants have mechanical properties sufficient to support a reconstructed breast, and allow the in-growth of tissue into the implant as it degrades. The implants have a strength retention profile allowing the support of the breast to be transitioned from the implant to regenerated host tissue, without significant loss of support. Three-dimensional implants for use in minimally invasive mastopexy / breast reconstruction procedures are also described, that confer shape to a patient's breast. These implants are self-reinforced, can be temporarily deformed, implanted in a suitably dissected tissue plane, and resume their preformed three-dimensional shape. The implants are preferably made from poly-4-hydroxybutyrate (P4HB) and copolymers thereof. The implants have suture pullout strengths that can resist the mechanical loads exerted on the reconstructed breast.

The application discloses a breast reconstruction type recommendation system and method based on multi-modal data, relates to the technical field of breast reconstruction type recommendation, and aims to solve the technical problems of traditional operation type recommendation depending on linear superposition evaluation of a single index, being unable to quantize the nonlinear complex mechanism of metabolic and vascular injury, and leading to inaccurate risk evaluation and lack of targeted recommendation, the system comprising a feature calculation and analysis module, wherein the feature calculation and analysis module comprises a clinical information structured unit, a metabolic and vascular injury index calculation module, an image feature unit and a test feature unit. Through the metabolic and vascular injury index calculation module, the nonlinear normalization function, the standardization function, the interactive effect analysis algorithm and the Sigmoid function are integrated, the true risk difference between patients with short disease duration but poor blood glucose control and patients with long disease duration but good blood glucose control is effectively distinguished, the risk evaluation is more in line with the pathophysiological law, and a scientific quantitative basis is provided for operation type selection.

Disclosed herein are devices and methods for protecting reconstructed nipples, typically post-surgery. The nipple protector may include a circular base portion and an annular ridge concentrically disposed to define a central aperture. The nipple protector In may further include an adhesive layer disposed on a bottom surface of the base portion for adhering the nipple protector to an area surrounding the reconstructed nipple. The nipple protector is fashioned to allow for direct access to the new nipple, which facilitates application of antibiotic ointments. The nipple protector softly adheres to the skin to provide flexible, adherent, comfortable, and water tolerant usage.

A method of providing information for predicting the prognosis of breast reconstruction surgery and a system for predicting the prognosis of breast reconstruction surgery is provided. By using the method or system for providing information for predicting the prognosis of breast reconstruction surgery according to one specific example of the present invention, it is possible to predict the possibility of implant rupture in a subject who has undergone or is scheduled to undergo two-stage breast reconstruction surgery, and it is possible to prepare an appropriate treatment according to this prediction, and to adjust the interval between breast reconstruction surgeries so as to lower the possibility of implant rupture. In addition, it is possible to provide information so that an implant with a low possibility of rupture may be selected.

The embodiment of the invention discloses a fixing net bag for greater omentum breast reconstruction and a preparation method of the fixing net bag. The fixing net bag comprises a net bag body, a net bag upper pole, a net bag lower pole and a fixing skirt edge. The net bag main body is used for providing mechanical support and promoting breast tissue structure integration; the net bag upper pole is used for being in smooth transition with the subclavicle area. The net bag lower electrode is used for shaping a key area of a breast lower plica; the fixing skirt edge is used for being sewn and fixed to the chest wall.

The utility model provides a drawstring type close-up net bag set for breast reconstruction surgery, which comprises prosthesis beads, a bag body, a bag mouth and a drawstring embedded in the bag mouth, and the bag body is latticed. According to the utility model, the silica gel prosthesis bead is stored through the draw-cord type closing-up net bag, so that the edge of the prosthesis is smooth and stable, the size of the prosthesis can be dynamically adjusted in an operation, and the device has the advantages of simplicity and convenience in operation, short operation time and few complications.

To provide tissue engineering devices and methods employing scaffolds made of an absorbable material for use in the human body for tissue genesis and regenerative and cellular medicine including breast reconstruction and cosmetic and aesthetic procedures and supplementing organ function in vivo.SOLUTION: A tissue engineering device for implantation into an anatomical space of a fascia of a human body, comprises: a scaffold which is formed of a porous absorbable material having a proximal portion to be positioned within the fascia, a distal portion spaced from the proximal portion, a hollow central core extending between the proximal portion and the distal portion and a sidewall surrounding the hollow central core; and a plurality of partially opened tissue engineering chambers which is formed in the sidewall and radially arranged around the hollow central core. The tissue engineering chambers have a total surface area greater than the surface area of the fascia within the anatomical space.SELECTED DRAWING: Figure 1

Absorbable implants can be used to create volume and shape in the breast of a patient with regenerated tissue. The implants comprise scaffolds formed from layers of parallel filaments. The layers of filaments can be stacked and bonded together to form scaffolds with porous crisscross arrangements of filaments. The implant's scaffolds may be coated or filled with cells and tissues, including autologous fat graft, and / or a vascular pedicle may be inserted into the implant. The implants are particularly suitable for use in plastic surgery procedures, for example, to regenerate or augment breast tissue following mastectomy or in mastopexy procedures, and can provide an alternative to the use of permanent breast implants in these procedures.

The utility model relates to a special corsage with an elastic structure capable of being adjusted after breast reconstruction. The special corsage comprises a corsage front part and a corsage back part, the bra back comprises a back main body piece, a lubricating pad is mounted in the middle of the back main body piece, and vent holes are formed in the back main body piece around the lubricating pad; the bra front part comprises a pair of front part main body pieces, a detachable breast pad is adhered to the inner sides of the front part main body pieces, a detachable circular area is arranged in the center area of the breast pad, and 1-2 layers of detachable annular areas are arranged outwards from the circular area. The utility model solves the problems that the existing special corsage causes friction to wounds, and can squeeze nipples to possibly cause avascular necrosis, and the back area of the corsage is rubbed and airtight.

The invention discloses a breast reconstruction preoperative auxiliary decision-making system and method based on three-dimensional scanning imaging, and the system comprises a collection and preparation module which is used for collecting and obtaining the target breast reconstruction data of a patient; the model building module is used for building a three-dimensional breast model based on the acquired imaging data of the breasts on the two sides; the difference calculation module is used for calculating the capacity difference of the breast models on the two sides to obtain a capacity difference value of the breast on the affected side relative to the breast on the healthy side; the index evaluation module is used for determining an expected three-dimensional breast model, taking the expected three-dimensional breast model as a model corresponding to the postoperative affected side breast, and performing evaluation of different dimensions according to the expected three-dimensional breast model and the original three-dimensional breast model corresponding to the healthy / affected side breast; and the decision optimization module is used for generating a preoperative evaluation scale corresponding to decision matching and updating and outputting an optimal target breast reconstruction scheme, so that the effectiveness of the preoperative auxiliary decision for breast reconstruction is improved.

The invention relates to a breast implant wrap and related methods for limiting movement of a breast implant. Breast implant fixation devices for breast reconstruction and breast augmentation are described herein. The new wrap is designed to avoid lateral displacement and grounding of the breast implant, reduce balloon contraction and implant extrusion, eliminate skin dimples and ripples caused by the breast implant, and reduce or eliminate tactility. The wrap is adapted to be securely folded around the breast implant, restricting relative movement between the wrap and the breast implant, and reducing wrinkles. Inward growth of tissue into the wrap limits movement of the wrap-breast implant assembly and thereby limits movement of the breast implant.

To provide a breast implant fixation device used in breast reconstruction and augmentation surgery.SOLUTION: New wrap is designed to avoid lateral displacement and being the lowest position of breast implants, reduce capsular contraction and extrusion of the implants, eliminate skin dimpling and wrinkles caused by the breast implants, and reduce or eliminate easy perception. The wrap is adapted to be folded tightly around the breast implants so as to limit relative movement between the wrap and the breast implants and reduce wrinkles. Tissue ingrowth into the wrap limits movement of the wrap-breast implant assembly, thereby limiting movement of the breast implants.SELECTED DRAWING: Figure 4

Implants with fillable reservoirs have been developed that are suitable for rhinoplasty, breast reconstruction, ear reconstruction, and replacement, reconstruction or repair of other soft tissues. The implants can be filled with graft material prior to implantation. The implants are preferably made from resorbable polymers, can be tailored to provide different geometries, mechanical properties and resorption rates in order to provide more consistent surgical outcomes. The implants preferably have an interconnected network of unit cells with microporous outer layers and optionally some or all of the unit cells having at least one macropore in their outer layers. The implants can be loaded by injection with microfat, collagen, DCF, cells, bioactive agents, and other augmentation materials, prior to implantation.

The invention discloses a breast reconstruction surgery prosthesis supporting positioner and a breast reconstruction surgery method.The breast reconstruction surgery prosthesis supporting positioner comprises a center supporting base, a plurality of supporting arms and an adjusting structure, and the multiple supporting arms are arranged in the circumferential direction of the center supporting base at intervals and extend outwards in the radial direction of the center supporting base; the adjusting structure is arranged on the center supporting base, connected with all the supporting arms and used for driving the supporting arms to move in the radial direction to change the stretching length of each supporting arm. According to the breast reconstruction surgery method, the breast reconstruction surgery prosthesis supporting and positioning device is adopted, the prosthesis can be synchronously, accurately and stably adjusted through the breast reconstruction surgery prosthesis supporting and positioning device and the breast reconstruction surgery prosthesis supporting and positioning method, and therefore the surgery efficiency is improved, and the surgery difficulty is reduced.

An implantable harness for supporting a breast shaping element on a target surface for a breast reconstruction or augmentation procedure includes a base section configured to conform to at least a portion of an anterior side of the breast shaping element and a plurality of fixation extensions configured for anchoring to the target surface to support the breast shaping element thereon. Each of the fixation extensions extend outward from a peripheral edge of the base section to a distal end. The base section and the plurality of fixation extensions are formed from a macroporous material comprising a plurality of pores. The plurality of fixation extensions project outward from the base section in at least two different directions.

This application provides an adaptive biodegradable implant shaping patch for breast reconstruction, belonging to the fields of medical biodegradable materials and breast reconstruction medical devices. It includes an arc-shaped cover and a base cover that unfold into a porous, sheet-like integrated structure. The arc-shaped cover contains a radially distributed array of flaps around a central reference point and an elastic buffer zone located between the central reference point and the root of the flap array. The flap array bends and encloses to form a hemispherical covering space that conforms to the outer curved surface of the implant. The base cover is a disc-shaped structure that adapts to and covers the lower end face of the implant, and connects to the extended ends of the flaps to achieve conformal coverage. This invention's patch has a reasonable structure, good fit to the implant, can simulate the physiological and mechanical characteristics of the breast, is easy to operate, and provides reliable fixation. It can adapt to different implant sizes and can reduce postoperative complications, meeting the personalized breast reconstruction needs of different patients, and has high clinical application value.

A kind of cell composition, including the cell cluster consisting of adipose-derived stem cells, endothelial cells and fibroblasts, as fat tissue regeneration unit.It is proved that the cell cluster composition of the application not only promotes the generation of fat, but also makes the generation of fat and angiogenesis and collagen formation etc.parallel, effectively promote the ability of fat tissue regeneration, while solving the problem of survival rate and insufficient vascularization after ADSCs transplantation.The combination of fat tissue regeneration unit and pGelMA not only solves the problem of vascularized fat tissue regeneration, but also promotes the formation of tissue similar to natural mammary tissue, providing a solution for realizing clinical breast reconstruction.

The invention provides a clinical decision-making auxiliary method and tool for breast cancer, and the method comprises the steps: receiving and analyzing clinical parameter data of a patient to generate a standardized clinical parameter set, and automatically deriving a plurality of to-be-evaluated treatment scheme combinations according to an operation mode field and a breast reconstruction operation field in the standardized clinical parameter set; and inputting the standardized clinical parameter set and the to-be-evaluated treatment scheme combination into a survival rate prediction model to calculate the multi-year survival rate sequence data of each scheme, and performing visual display, thereby providing personalized multi-scheme survival rate comparison for the patient. And meanwhile, a selection set containing a virtualization comparison scheme is pushed to a user to collect tendency selection data, a mean score of each real operation scheme is calculated based on a score mapping rule, a recommended operation scheme is determined according to the mean score, a preference matching degree is displayed, and quantification of subjective value preference of a patient and operation scheme recommendation are realized.