39 results about "Breast prostheses" patented technology

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.

The invention discloses a composite amnion for improving contracture after tissue repair and a preparation method of the composite amnion. The composite membrane comprises a recombinant humanized collagen nanofiber membrane located in the middle layer and human decellularized amniotic membranes attached to the two faces of the nanofiber membrane. The composite membrane is prepared by preparing a recombinant humanized collagen nanofiber membrane through an electrostatic spinning technology and pressing the recombinant humanized collagen nanofiber membrane and a human decellularized amniotic membrane. The composite membrane has excellent mechanical properties and biological activity. Animal experiment results show that the composite film can effectively inhibit capsule contracture induced by radiotherapy, and the comprehensive effect of the composite film is obviously superior to that of a single-component material in the aspects of inflammation resistance, fibrosis resistance, degradation speed delaying, capsule compliance improving and the like. The composition can be used for improving the capsule contracture of the breast prosthesis, especially the capsule contracture induced by radiotherapy.

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.

A breast implant enhancement device can be placed behind a breast implant (between the implant and the chest wall) to reduce or eliminate appearance of wrinkles or folds on the outer surface of the implant against the skin. A breast implant enhancement system comprising an enhancement element adapted and configured to be selectively coupled with the posterior surface of a breast implant, wherein said enhancement element has at least one angular edge.

In a method of applying a desired texture to a surface of a silicone elastomer, an uncured silicone elastomer is applied to at least one side of a polymeric film. At least one side of the polymeric film has a complementary texture that is complementary in shape to the desired texture. The uncured silicone elastomer is cured while it is in contact with the at least one side of the polymeric film so as to form a cured silicone elastomer. The polymeric film is removed from the cured silicone elastomer so as to expose the desired texture on the surface thereof. The flexible polymeric film can be a bag placed into a breast prosthesis mold. The bag includes at least one interior surface with the complementary texture. The bag is removed from the cured silicone elastomer to expose the breast prosthesis having a textured surface.

The embodiment of the invention provides a mammary gland prosthesis reconstruction method and system based on mammary gland MRI automatic segmentation and vascular reconstruction, a medium and an electronic device, and relates to the technical field of mammary gland prosthesis reconstruction technologies. The method comprises the following steps: acquiring mammary gland MRI data; performing segmentation processing on the mammary gland MRI data through a preset first model to obtain first data; performing blood vessel tracking processing on the mammary gland MRI data through a preset second model to obtain second data; determining prosthesis reconstruction data based on the first data and the second data; and performing mammary gland prosthesis reconstruction according to the prosthesis reconstruction data. According to the invention, the problem of low precision of prosthesis reconstruction is solved, and the effect of improving the precision of prosthesis reconstruction is achieved.

The invention discloses a prosthesis positioner for mammary gland prosthesis reconstruction, and relates to the technical field of mammary gland prosthesis positioners, the prosthesis positioner comprises a main body mechanism, the main body mechanism comprises a fixing support, four pairs of supporting plates are arranged on the outer side of the fixing support, and a positioning adjusting mechanism is arranged on the outer side of the fixing support; the positioning adjusting mechanism comprises an incision adjusting unit, the incision adjusting unit is located on the outer side of the supporting plate, and the incision adjusting unit is used for adjusting the size of an incision to a certain extent according to the operation requirement of a patient. The angle and the distance of the supporting plate can be adjusted through the driving motor, the lifting rack and other structures, so that the size of an incision is flexibly adjusted according to the specific operation requirement of a patient, and the problem that the operation is limited due to the fact that the incision space of a traditional positioner is fixed is effectively solved; therefore, the requirements of different patient chest radians and surgical incision positions can be met.

This application example provides a breast prosthesis processing system, which includes a scanner, a data processing device, a prosthesis processing device, and a printing device. The scanner is used to scan the human body, obtain torso scan data containing images of a normal breast and the residual part after mastectomy, and send it to the data processing device. The data processing device, in response to input, marks feature points on the residual part image, mirrors them, and generates mirrored feature points. The prosthesis processing device then processes the prosthesis based on the mirrored feature points, and the printing device prints the processed prosthesis. This system aims to improve the accuracy and efficiency of breast prosthesis production, ensuring a better fit and aesthetic outcome for users. The integration of scanning, data processing, and printing technologies streamlines the entire process, providing a more personalized and precise solution for breast prosthesis manufacturing.

The invention discloses a low-swelling-rate hydrogel material based on natural polysaccharide and a preparation method and application thereof, and belongs to the technical field of implantable medical devices. The low-swelling-rate hydrogel material is of a double-crosslinking network structure composed of a first crosslinking network and a second crosslinking network, the first crosslinking network is a covalent crosslinking network formed by zwitterionic monomers through free radical polymerization, and the second crosslinking network is a covalent crosslinking network formed by zwitterionic monomers through free radical polymerization. The second cross-linked network is a physical cross-linked network formed by coordination of alginate and metal ions. The low-swelling-rate hydrogel material provided by the invention has the characteristic of low swelling rate in normal saline, and can still reach compression stress and compression modulus equivalent to those of commercially available breast prostheses after balanced swelling in the normal saline.

One embodiment of the present specification provides an artificial breast prosthesis delivery device comprising: a tapered body which is formed of a polyurethane material having a Shore A hardness (measured according to ASTM D2240) of 60-100 and has a width gradually decreasing from one side to the other side; and a plurality of vertical grooves which are recessed in the inner surface of the body, extend from one side to the other side, and are radially spaced apart from each other.

This application example provides a breast prosthesis processing system, which includes a scanner, a data processing device, a prosthesis processing device, and a printing device. The scanner is used to scan the human body, obtain torso scan data containing images of a normal breast and the residual part after mastectomy, and send it to the data processing device. The data processing device, in response to input, marks feature points on the residual part image, mirrors them, and generates mirrored feature points. The prosthesis processing device then processes the prosthesis based on the mirrored feature points, and the printing device prints the processed prosthesis. This system aims to improve the accuracy and efficiency of breast prosthesis production, ensuring a better fit and aesthetic outcome for users. The integration of scanning, data processing, and printing technologies streamlines the entire process, providing a more personalized and precise solution for breast prosthesis manufacturing.

A surgical multi purpose support device suitable selectively for 'non-touch' manipulation activity for implants and prosthesis as well as dissection of tissue planes avoiding tissue injury in body cavities in surgical procedures and the like. The multipurpose device includes a manipulator end (3) shaped free of any sharp peripheral edges and with a blunt tip (3C) at the front adapted for entry within said body cavity and providing a carrier support for the manipulating activity including adjusting said implant or device in position with respect to any surgical region of interest as well as dissection procedures. An extended shaft (4) operatively connects the manipulator end portion for manipulate externally away from said region of interest in said cavity during surgery. The device is directed to favour non-touch surgical procedures with more safety in surgical procedures, avoiding unwanted touch such as in manipulation of the breast prosthesis or adjustment of the breast cavity as well in other surgery.

An implantable breast prosthesis including a flexible inside skeleton defining a first filling chamber filled with a first fluid, and a flexible outside envelope defining a second filling chamber, composed of two communicating compartments surrounding the inside skeleton and filled with a second fluid of the hyaluronic acid type. The inside skeleton includes an inside base, an inside cover integrally secured to the inside base in such a way that the inner surfaces of the inside base and of the inside cover are facing each other, a bracing structure arranged between the inner surfaces of the inside base and of the inside cover and configured to space apart the inside cover and the inside base in such a way that the outer surface of the inside cover is convex.

The invention discloses a second-stage adjustable breast prosthesis. The second-stage adjustable breast prosthesis comprises a prosthesis main body, an expansion growth layer, an air inlet pipe, an air outlet pipe and a liquid outlet pipe, the prosthesis main body is made of a medical silica gel material and is hemispherical, a first inner cavity, a second inner cavity and a third inner cavity which are not communicated with one another are formed in the prosthesis main body, the first inner cavity is spherical or ellipsoidal and is arranged close to the spherical side wall of the prosthesis main body, and normal saline is contained in the first inner cavity; the second inner cavity is hemispherical and is spaced from the first inner cavity, the plane inner wall of the second inner cavity is parallel to the plane side wall of the prosthesis main body, the third inner cavity is bowl-shaped and coaxially covers the spherical inner wall of the second inner cavity, and an isolation inner wall is arranged between the second inner cavity and the third inner cavity; the expansion growth layer is made of a material with a water absorption expansion characteristic and is arranged in the third inner cavity; the air inlet pipe is communicated with the first inner cavity and the third inner cavity; the air outlet pipe is communicated with the first inner cavity and the second inner cavity; and the liquid outlet pipe is communicated with the second inner cavity and the third inner cavity.

The invention belongs to the technical field of medical equipment, and discloses a personalized artificial breast internal supporting device with a gradient bionic structure, which comprises an artificial breast shell, a dismounting mechanism is mounted at the bottom end of the artificial breast shell, an adjusting mechanism is fixed in the artificial breast shell, and a massage mechanism is fixed at the bottom end of the adjusting mechanism. The dismounting and mounting mechanism comprises a base, a hook-and-loop fastener hook surface and a hook-and-loop fastener loop surface, the hook-and-loop fastener hook surface is fixed to the top end of the base, and the hook-and-loop fastener loop surface is fixed to the bottom end of the artificial breast shell. The outer diameters of the first lantern ring, the second lantern ring, the third lantern ring and the fourth lantern ring are sequentially decreased, a plurality of groups of first connecting rods and second connecting rods in an annular array are hinged, air bags of different sizes are matched for inflation and expansion, the bulging degree of the breast prosthesis is adjusted in a gradient mode, and finally the effects of fitting the thorax of a patient and achieving precise bionic supporting are achieved.

The utility model relates to a wrapping type breast prosthesis fixing structure and an implantable breast prosthesis, the fixing structure comprises a bearing part, a foldable protruding part and a drainage hole group, and the bearing part is configured to be of a circular structure; the protruding part comprises a connecting base constructed to be an isosceles triangle and connecting pieces connected to the edges of the connecting base respectively, the connecting pieces comprise first connecting pieces connected to the two isosceles sides of the connecting base respectively and second connecting pieces connected to the bottom side of the connecting base, and the second connecting pieces are connected to the bearing part. An angle is formed between every two adjacent connecting pieces; the liquid drainage hole set is arranged on the bearing part and comprises a plurality of liquid drainage hole bodies. According to the wrapping type breast prosthesis fixing structure, the breast prosthesis can be supported, a doctor is prevented from cutting and forming on site during an operation, meanwhile, the wrapping type breast prosthesis fixing structure can wrap and fix the breast prosthesis in a full-covering mode, complications such as capsule contracture caused by not-in-place covering are prevented, and meanwhile sewing and fixing of pectoral muscle anterior reconstruction are facilitated.

A breast prosthesis includes a cured silicone rubber skin layer having a shape corresponding to a natural breast and defining a cavity therein. A cured silicone substance is disposed in the cavity. In a method of making a breast prosthesis, a mold that defines a breast-shaped cavity therein is generated. A silicone rubber skin material is applied to the cavity. The silicone rubber skin material in the cavity is cured to form a skin layer. A low-oil silicone gel or a no-oil silicone gel is injected into the cavity inside of the skin layer. The low-oil silicone gel or a no-oil silicone gel is cured so as to generate the breast prosthesis. In another method of making, a barrier layer is applied to the skin layer and a silicone oil is injected into the cavity inside of the barrier layer prior to curing.

The present application relates to the technical field of massage equipment, and specifically discloses a breast surgery postoperative massager, which comprises a control module, a pulse module, a vibration module and a heating module; the control module is used for receiving control instructions, the control instructions comprising pulse control instructions, vibration control instructions and heating control instructions; and the control module is also used for controlling the corresponding pulse module, vibration module and heating module to work according to the control instructions; the pulse module is used for generating an electric stimulation signal according to the pulse control instructions and transmitting the electric stimulation signal to a surgical breast area; the vibration module is used for generating vibration at the breast according to the vibration control instructions; and the heating module is used for generating a temperature according to the temperature control instructions and heating the breast. The technical scheme of the present application can help prevent and alleviate breast scar contracture for patients after breast prosthesis surgery.

The utility model relates to a stretchable breast prosthesis fixing and covering structure and an implantable breast prosthesis, and belongs to the technical field of plastic surgery, the stretchable breast prosthesis fixing and covering structure comprises a supporting part, a folding part and a hole part, and the supporting part is configured to be circular; the folding parts are configured into a plurality of groups and are formed by extending the outer edge sections of the supporting parts in the direction far away from the circle center; the hole part is arranged on the supporting part and comprises a plurality of hole groups, each hole group comprises a plurality of liquid drainage holes which are distributed in an annular array, the hole groups are distributed in an annular sleeve mode, the circle center of the hole group of the inner ring deviates from the circle center of the supporting part, and the circle centers of the other hole groups are located on the connecting line of the circle center of the hole group of the adjacent inner side and the circle center of the supporting part. According to the utility model, the breast prosthesis can be supported, a doctor is prevented from cutting and forming on site during an operation, and meanwhile, one side of the breast prosthesis, which is fixed with the covering structure, has good tensile property by adopting the design of single-side deviation of the hole part and combining the structure of the elliptical drainage hole.

A breast prosthesis includes a front part that is made of a silicone gel that is encapsulated in a polymer film. A back part that is made from a silicone elastomer is affixed thereto. An alternate form of breast prosthesis includes a front part that is made from a silicone elastomer. A back part that is made of a silicone gel that is encapsulated in a polymer film and that is affixed thereto. In a method of making a breast prosthesis in which a two chamber bag that includes a layer of polytetrafluoroethylene (“PTFE”), a layer of polyurethane and a layer of polyurethane is made. The bag is placed into a mold that defines a breast form-shaped cavity. A silicone gel material is injected into one chamber and a silicone elastomer material is injected into the other chamber. The materials are cured and the PTFE layer is removed.

The invention relates to the field of health care and rehabilitation articles, and particularly discloses a simulated breast prosthesis with a powerful cooling function and a preparation method thereof. The artificial breast sequentially comprises an inner silica gel layer, a gel layer, a middle silica gel layer and an outer silica gel layer from inside to outside, when the artificial breast is worn, the inner silica gel layer is close to a human body, and the outer silica gel layer is far away from the human body; the inner silica gel layer is filled with first silica gel, the gel layer is filled with hydrogel, the middle silica gel layer is filled with second silica gel, and the outer silica gel layer is filled with third silica gel. According to the artificial breast prepared by the preparation method disclosed by the invention, the temperature rise and sweating caused by heat accumulation in the artificial breast coverage area are effectively inhibited in a powerful cooling manner, so that the sultry phenomenon generally existing in wearing of the silica gel artificial breast is effectively relieved.

This application relates to a filler for internal filling of breast implants, wherein the filler contains a bio-cellulose hydrogel. Further, the filler may also contain a certain amount of sterile saline and / or silicone gel. By mixing the bio-cellulose hydrogel containing hyaluronic acid of this invention with an appropriate amount of silicone gel or saline and adding it into the implant shell, a filling-type breast implant is manufactured, which possesses high elasticity and toughness, as well as good biocompatibility, while reducing leakage of implant contents and inflammatory reactions.

Improved breast prostheses, methods of making breast prostheses, and methods of treatment using such breast prostheses are described.

The present disclosure provides a breast prosthesis and a method for manufacturing the same, which relate to the field of prosthesis manufacturing technologies. The breast prosthesis includes an outer shell and an airbag inner layer. A cavity is formed inside the outer shell, and the outer shell is provided with an opening in communication with the cavity. The airbag inner layer is provided with a gas valve.

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 present application relates to a breast implant having surface roughness and waviness. A breast implant according to an aspect includes: a shell constituting an outer skin; and a filler material accommodated inside the shell, wherein an outer surface of the shell has a concave-convex surface in contact with tissue, and the surface has a certain level of waviness in a filtered waviness curve.

A method of manufacturing a therapeutic material incorporating a soft thermoformable elastomer with a phase change material exhibiting high latent heat of fusion. The compound provides elasticity, softness, formability, and heat over an extended duration and to facilitate prolonged skin contact at elevated temperatures. Used in combination with active ingredients the increased temperature and formability provides enhanced transdermal delivery through the skin. Thermoplastic elastomers may be manufactured by mixing together plasticizing oil, a triblock copolymer, a paraffinic substance and one or more additives, e.g., an antioxidant, an antimicrobial agent, and / or other additives to form a mixture which melted then cooled into the thermoplastic elastomer. During cooling, the thermoplastic elastomer may be molded or otherwise formed into any number of articles including, but not limited to, prosthetic liners, prosthetic sleeves, external breast prostheses, breast enhancement bladders, masks, wound dressing sheets, wound dressing pads, socks, gloves, malleolus pads, metatarsal pads, shoe insoles, urinary catheters, vascular catheters, and balloons for medical catheters both vascular as well as urinary. Active ingredients are preferably added to the cooling thermoplastic elastomer when the temperature is below 100° F. to prevent heat degradation and / or breakdown of vital proteins.

The human breast implant (10) is constructed in the shape of a human breast and has multiple chambers (12) in a sponge-like biotensegrity structure, allowing interstitial fluid in the human body to diffuse naturally into and out of the sponge-like chambers (12). The sponge-like biotensegrity structure has a triple helix structure (14) in interconnected layers similar to fascia, allowing fluid to reduce the buildup of dense collagen tissue surrounding the breast implant (10). Fluid can diffuse naturally into and out of the breast implant (10), in line with the behavior of the interstitium in the human body.

One embodiment of the present invention provides an artificial breast prosthesis delivery device comprising: a tapered body in which a breast implant is accommodated, and the width of which becomes narrower from one side to the other side; and a plurality of vertical grooves recessed in the inner surface of the body, extending from one side to the other side, and radially spaced apart from each other.

The invention provides a breast prosthesis and a manufacturing method thereof, and relates to the technical field of prosthesis manufacturing. The breast prosthesis comprises an outer shell and an air bag inner layer, a cavity is formed in the outer shell, an opening is formed in the outer shell, and the opening is communicated with the cavity; the air bag inner layer is located in the cavity of the outer shell and provided with an air valve. The design of the air bag inner layer reduces the weight of the prosthesis, solves the problem of discomfort caused by overweight, ensures that the shape and the weight of the prosthesis are the same as those of the breast which is not operated, and ensures the symmetry and the comfort of the body.