30 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.

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 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.

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.

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.

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.

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.

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.

The application discloses a foamed silica gel breast prosthesis, characterized in that the breast prosthesis comprises a breast prosthesis body and a fabric covering the outside of the breast prosthesis body, the material of the breast prosthesis body is foamed silica gel, a supporting layer is arranged in the breast prosthesis body and / or on the surface of the breast prosthesis body, the supporting layer is gauze, and the hole type of the gauze is regular hexagon. The foamed silica gel breast prosthesis is prepared by using chemical foamed silica gel, has good supporting property and good hand feeling, does not need to be covered by a non-breathable TPU film like a traditional silica gel breast prosthesis, and the foamed silica gel itself has tiny pores, so that the breathability of the foamed silica gel breast prosthesis is greatly increased, the weight is reduced to one fifth to one tenth of that of a common silica gel breast prosthesis, the weight bearing feeling of a wearer is reduced, and the wearing comfort is improved. The supporting layer arranged in the breast prosthesis body increases the overall tear resistance and prolongs the service life.

Disclosed is a degradable breast prosthesis shaping mesh (10) having a heterogeneous hierarchical porous structure, comprising a macroporous structure layer (100) and a microporous structure layer (200). The macroporous structure layer (100) and the microporous structure layer (200) are formed by alternately arranging and combining degradable fibers to conform to a breast prosthesis, thereby providing the mechanical properties and tissue adhesion properties required by the mesh (10). The macroporous structure layer and the microporous structure layer cooperate to achieve the function of integrating the prosthesis with the tissue, without the need for an additional suturing fixation device. The overall shape of the mesh (10) is designed as a hemispherical upper cover (11) and a lower end cover rim (12), thereby simplifying the assembly process with the prosthesis and improving the surgical efficiency. The mesh (10) possesses excellent mechanical properties and shaping ability. Moreover, a microporous structure facilitates the adhesion and migration of cells, reduces the rejection reaction of the body, and significantly reduces the incidence of capsular contracture.

The utility model discloses a fixing suit for a breast prosthesis, and relates to the technical field of medical equipment. The device comprises a fixing strap, the top of the fixing strap is fixedly connected with a shoulder strap, and the rear side of the fixing strap is fixedly connected with a connecting strap; an adjusting assembly is arranged at the top of the fixing belt and comprises an adjusting belt, the adjusting belt is fixedly connected to the front side of the fixing belt, and a stretching belt is arranged at the top of the adjusting belt. The auxiliary openings formed in the front sides of the fixing belts are used for lifting from the bottoms of the breasts of a patient, meanwhile, the fixing belts are connected through the shoulder belts, after the patient wears the shoulder belts, the shoulders bear the weight, meanwhile, the stretching belts can be moved, the lifting height of the breasts is adjusted, the effect of adjusting pulling force is achieved, the patient does not need to take off the fixing belts, and operation is convenient. And the hanging rings are directly moved, adjusted up and down and connected with the hanging belts, so that the lifting tension of the breasts can be quickly fixed, and the convenience in use is improved.

The application discloses a breast prosthesis and a preparation method thereof. The breast prosthesis comprises a main body layer and a phase change layer, the main body layer is formed by curing a first silica gel composition, and the phase change layer is formed by curing a second silica gel composition. The first silica gel composition comprises a silica gel, polystyrene microcapsules and a phase change polyol. The second silica gel composition comprises a silica gel and a phase change polyol. The mass percentage of the phase change polyol in the second silica gel composition is greater than the mass percentage of the phase change polyol in the first silica gel composition. The breast prosthesis comprises a main body layer and a phase change layer. The phase change polyol material used for preparing the main body layer and the phase change layer can be directly mixed with the silica gel, and the breast prosthesis can be obtained by one-piece molding, so that the preparation process is simplified. In addition, the phase change polyol and the silica gel are directly and integrally cured by heating, so that the stability of the product form can be ensured, and liquid leakage after the TPU film on the surface of the breast prosthesis is damaged can be avoided, and the safety of wearing can be ensured.

The application discloses a preparation method of foamed silica gel breast prosthesis, which comprises the following steps: pouring silica gel liquid into the cavity of a lower mold, laying gauze between the lower mold and an upper mold, closing the molds, and partially filling the silica gel liquid into the holes of the gauze; after the foaming of the silica gel liquid is completed, the molds are opened to obtain a breast prosthesis body, the gauze forms a supporting layer, and the supporting layer is arranged in the breast prosthesis body and / or on the surface of the breast prosthesis body; after the fabric is sewn with the breast prosthesis body, the foamed silica gel breast prosthesis is obtained; and the hole type of the gauze is a regular hexagon. The preparation method of the foamed silica gel breast prosthesis is prepared by using chemical foaming silica gel, the obtained foamed silica gel breast prosthesis has good supporting property and good hand feeling, does not need to be coated with a non-breathable TPU film like a traditional silica gel breast prosthesis, the foamed silica gel itself has tiny pores, the breathability of the foamed silica gel breast prosthesis is greatly increased, the weight is reduced, the weight bearing feeling of a wearer is reduced, and the comfort is improved.