23 results about "Breast reconstruction" patented technology

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.

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.

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 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

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.

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.

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.

This utility model relates to the field of medical technology and provides a special medical shaping underwear for breast reconstruction surgery. The underwear body has two symmetrical openings on the front, with cups installed at each opening. The sides of the two cups closest to each other are connected to the underwear body via a connector, while the sides furthest apart are connected via an adjusting mounting piece. A ring is provided on the inner edge of each cup, forming a reservoir for gauze placement. Upper and lower breast-relaxing bands are located above and below each cup, respectively. The adjusting mounting piece allows for cup height adjustment according to different patients' chest line positions, improving the adaptability of the shaping underwear. The reservoir facilitates the placement of gauze to absorb postoperative fluid leakage. The connector allows the cups to open and close, facilitating observation of the blood supply, temperature, and color of the nipple, areola, and surrounding skin, and also facilitating gauze changes, thus improving patient comfort.

Diversified grafts suitable for use in repair and reconstruction procedures are provided. Some diversified grafts (10) comprise two or more heterogenous features (118a, 118b) which form regions having different preferred properties. A diversified graft useful for pre-pectoral breast reconstruction, meshing is provided on an upper pole of the diversified graft and a plurality of slits arranged in particular patterns is provided on a lower pole of the graft, whereby the upper pole has a greater expansion ability and the lower pole has lesser degree of expansion ability but maintains greater load bearing capacity which is necessary to support the lower pole of the breast undergoing reconstruction, while allowing for fluid egress. In other embodiments, the diversified graft comprises two or more components which are combined by attaching them to each other to form a larger graft of the required size. The components may be smaller pieces of the same material or different materials.

Diversified grafts suitable for use in repair and reconstruction procedures are provided. Some diversified grafts comprise two or more heterogenous features which form regions having different preferred properties. A diversified graft useful for pre-pectoral breast reconstruction, meshing is provided on an upper pole of the diversified graft and a plurality of slits arranged in particular patterns is provided on a lower pole of the graft, whereby the upper pole has a greater expansion ability and the lower pole has lesser degree of expansion ability but maintains greater load bearing capacity which is necessary to support the lower pole of the breast undergoing reconstruction, while allowing for fluid egress. In other embodiments, the diversified graft comprises two or more components which are combined by attaching them to each other to form a larger graft of the required size. The components may be smaller pieces of the same material or different materials.

The disclosed invention relates to an artificial support in the form of a sheet surrounding a breast implant and, in one example, the artificial support includes: a support portion having a plurality of divided surfaces radially formed surrounding the curved surface of the breast implant; and a frame portion which is coupled to the support portion and has a plurality of branched frames extending radially along the divided surfaces.

Described herein are breast implant fixation devices for breast reconstruction and breast augmentation. The new envelopes are designed to avoid lateral displacement and bottoming out of the breast implant, reduce capsular contraction and implant extrusion, eliminate skin dimpling and rippling caused by the breast implant, and reduce or eliminate palpability. The envelopes are adapted to fold securely around the breast implant, limit relative movement between the envelope and the breast implant, and reduce bunching. Tissue ingrowth into the envelope limits movement of the envelope-breast implant assembly, and thereby limits movement of the breast implant.

Diversified grafts suitable for use in repair and reconstruction procedures are provided. Some diversified grafts comprise two or more heterogenous features which form regions having different preferred properties. A diversified graft useful for pre-pectoral breast reconstruction, meshing is provided on an upper pole of the diversified graft and a plurality of slits arranged in particular patterns is provided on a lower pole of the graft, whereby the upper pole has a greater expansion ability and the lower pole has lesser degree of expansion ability but maintains greater load bearing capacity which is necessary to support the lower pole of the breast undergoing reconstruction, while allowing for fluid egress. In other embodiments, the diversified graft comprises two or more components which are combined by attaching them to each other to form a larger graft of the required size. The components may be smaller pieces of the same material or different materials.

The purpose of the present disclosure is to provide a medical nanofiber membrane manufactured by electrospinning a polymer solution, comprising: polyethylene oxide; one or more natural polymers selected from hyaluronic acid, polyvinyl alcohol, polyvinyl pyrrolidone, alginic acid, carrageenan, chitin, chitosan, poloxamer, cellulose, and carboxymethyl chitosan; and an extracellular matrix. A support for breast reconstruction comprising the medical nanofiber membrane can improve tissue adhesion of a silicone implant by buffering a curved portion when the silicone implant is implanted in vivo during breast reconstruction surgery, and can improve in vivo retention after implantation.

A method can include receiving, at a computing system, a reconstruction image of a breast, the reconstruction image comprising image data corresponding to a plurality of transmission frequencies used by a transmitter of an imaging system; generating, by the computing system, a ductal and / or glandular image from the reconstruction image of the breast; and determining, by the computing system, a quantitative measure of topological complexity of the breast from the ductal and / or glandular image. In certain applications, a quantitative measure of topological complexity can be used as a correction factor to estimates such as a Volpara estimate. In certain applications, a quantitative measure of topological complexity can be used as an input to a risk assessment model.

The invention relates to the technical field of breast reconstruction, and discloses a composite layer structure patch for breast reconstruction and a preparation method and application thereof.The composite layer structure patch for breast reconstruction sequentially comprises a surface layer, a drug controlled release layer and a surface layer, the core layer is a shape memory supporting layer and is used for providing mechanical support, modifying the breast shape and improving the attractiveness; the bottom layer is an anti-adhesion isolation layer, and the key effect of the anti-adhesion isolation layer is to construct an effective physical barrier between the skin and chest wall muscles, so that the problems of appearance of the prosthesis contour, stiff breast form and the like caused by abnormal adhesion are fundamentally avoided. By means of the three-layer function integrated design of medicine controlled release, mechanical support and long-acting adhesion prevention, the clinical pain points that an existing patch is single in function, prone to adhesion and poor in aesthetic effect are systematically solved, and an innovative solution is provided for breast reconstruction which is natural in form, good in function and stable for a long time.