Breast prosthesis fixing and covering structure and implantable breast prosthesis

Abstract

The utility model relates to a breast prosthesis fixing and covering structure and an implantable breast prosthesis, and belongs to the technical field of plastic surgery, the breast prosthesis fixing and covering structure comprises a supporting part, a connecting part and a protruding part, and the supporting part is configured to be circular; the connecting parts can be bent and are configured into a plurality of groups, each connecting part is connected to the outer edge of the supporting part in the circumferential direction, and an angle is formed between every two adjacent connecting parts; the bendable protruding part is connected to the telecentric end of the connecting part, and the width of the protruding part is smaller than that of the telecentric end of the connecting part connected with the protruding part. The breast prosthesis fixing and covering structure provided by the utility model can provide support for the breast prosthesis and play a role in fixing and covering, so that a doctor is prevented from cutting and forming on site during an operation, and the operation time is shortened. Meanwhile, the structure can also prevent the breast prosthesis from drooping and capsule contracture, after being implanted, the biological tissue matrix material can be integrated with tissues around a receptor and converted into new tissues of a human body, and no foreign matter is left.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic surgery, in particular to a breast prosthesis fixing and covering structure and an implantable breast prosthesis. Background Art

[0002] Breast cancer is the most common malignant tumor in women in China, and over 70% of breast cancer patients undergo mastectomy. Breast loss can be psychologically traumatic for patients and severely impact their quality of life. Breast reconstruction for eligible breast cancer patients has gained widespread acceptance both domestically and internationally. Prosthetic reconstruction has become the most commonly used breast reconstruction method due to its advantages, including shorter surgical time, rapid postoperative recovery, no donor site damage, and safety and reliability. Adequate tissue coverage is paramount in prosthetic breast reconstruction. To address this issue, biomaterials and synthetic materials are increasingly being used in one- or two-step implant procedures. One-step reconstruction, in particular, uses or does not incorporate muscle tissue to cover the implant, creating a better inframammary fold and reducing the incidence of capsular contracture after implantation, offering patients improved aesthetics and psychological comfort. Furthermore, biomaterials and synthetic materials are also in demand in breast augmentation and cosmetic breast surgery to reduce postoperative complications.

[0003] In recent years, biological tissue materials derived from animal or human tissue have been increasingly used in various surgical procedures, including breast augmentation, breast reconstruction, and plastic and corrective breast surgery. Because these tissue materials are typically flat membranes, surgeons must cut and shape them on-site during breast reconstruction, tailoring them to the desired area. These materials vary in size and shape, often failing to perfectly match the selected breast implant and the patient's surgical area. For example, wrinkling and folding are difficult to avoid, controlling the breast shape, and achieving an upright, reconstructed breast. Furthermore, these materials are very expensive, and surgeons rely on visual inspection during on-site cutting, which can lead to errors. This wastes material and increases surgical costs. Utility Model Content

[0004] The purpose of the present utility model is to provide a breast prosthesis fixing and covering structure and an implantable breast prosthesis, which can solve the technical problems mentioned in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a breast prosthesis fixing and covering structure, comprising a support portion, a bendable connecting portion, and a bendable protrusion, wherein the support portion is configured in a circular shape; the connecting portions are configured in multiple groups, each connecting portion is connected to the outer edge of the support portion along the circumferential direction, and adjacent connecting portions are arranged at an angle; the protrusions, the number of which corresponds to the number of the connecting portions, are respectively connected to the distal ends of the connecting portions, and the width of the protrusions is smaller than the width of the distal ends of the connecting portions connected thereto.

[0006] In one embodiment, the support portion, the connecting portion and the protruding portion are integrally formed and connected. This structure is easy to cut and shape, and the connection between them is more stable and reliable.

[0007] In one embodiment, the connecting parts are configured in 8-16 groups. This number can ensure the surrounding and gathering effect of the protrusions. If the number is set too small, the wrapping effect of the breast prosthesis will be poor, and if the number is set too large, it will be inconvenient for medical staff to operate.

[0008] In one embodiment, the distance from the distal end of each connecting portion to the center of the supporting portion is equal. The breast prosthesis fixing and covering structure of this structure has a regular shape, and the protrusions are connected and gathered to form a roughly bowl-shaped sleeve structure, which is suitable for round breast prostheses.

[0009] In one embodiment, the distances from the distal ends of the connecting portions to the center of the support portion are unequal, and the connecting portions are divided into long connecting portions and short connecting portions, with the number of short connecting portions exceeding the number of long connecting portions by one to two. This structure of the breast prosthesis fixing and covering structure has an irregular shape, with the raised portions connected and gathered to form a roughly teardrop-shaped sleeve structure, making it particularly suitable for teardrop-shaped breast prostheses.

[0010] In one embodiment, the distance from the distal end of the long connection part to the center of the support part is 1-5 cm longer than the distance from the distal end of the short connection part to the center of the support part, so as to be more suitable for the teardrop-shaped breast prosthesis structure.

[0011] In one embodiment, the angle α between adjacent connecting portions is set to 20-30°. This angle can avoid interference between adjacent connecting portions while making the adjacent connecting portions relatively tightly connected.

[0012] In one embodiment, the distal end of the protrusion is configured as a semicircle.

[0013] In one embodiment, the support portion, the connecting portion, and the protruding portion are all made of acellular tissue matrix material. After implantation, the material can integrate with the surrounding breast tissue of the recipient and transform into new tissue without any foreign matter remaining.

[0014] On the other hand, the present invention also provides a technical solution for an implantable breast prosthesis, comprising the breast prosthesis fixing and covering structure and a breast prosthesis as described in any of the above solutions, wherein adjacent raised portions are sutured together so that the breast prosthesis fixing and covering structure is constructed into a sleeve-like structure that is adapted to the shape of the breast prosthesis, and the breast prosthesis is disposed within the sleeve-like structure.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The breast prosthesis fixing and covering structure provided by the present invention is a biodevice design based on a tissue acellular matrix material, capable of providing support for a breast prosthesis. During various surgical procedures such as breast reconstruction, plastic surgery, and orthopedics, the breast prosthesis is pre-stitched and wrapped with the breast prosthesis fixing and covering structure to form an implantable breast prosthesis. This avoids the need for on-site cutting and shaping by the surgeon, shortens the surgical time, and allows for a more compatible fit with the breast prosthesis. Furthermore, the breast prosthesis fixing and covering structure provided by the present invention can prevent sagging and displacement of the breast prosthesis, as well as capsular contracture. After implantation, the biological tissue matrix material can integrate with the surrounding breast tissue of the recipient, transforming into new human tissue without the presence of foreign matter, thereby achieving a good cosmetic and plastic surgery effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic plan view of the structure of the breast prosthesis fixing and covering structure provided in the first embodiment of the present invention;

[0018] Figure 2 A schematic diagram of the planar structure of a breast prosthesis fixing and covering structure provided in Example 2 of the present utility model;

[0019] Figure 3 A rear view of a simulated structure of an implantable breast prosthesis provided in Example 3 of the present utility model;

[0020] Figure 4 This is a front view of a simulated structure of an implantable breast prosthesis provided in Example 3 of the present utility model;

[0021] Figure 5 This is a side view of the simulated structure of the implantable breast prosthesis provided in Example 3 of the present utility model.

[0022] The meaning of each number in the figure is:

[0023] 1. Support part; 2. Connecting part; 21. Long connecting part; 22. Short connecting part; 3. Raised part. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] The breast prosthesis fixing and covering structure provided by the utility model is a planar structure formed by cutting a membrane material. When used, an adapted breast prosthesis is placed on the planar breast prosthesis fixing and covering structure, and then the corresponding adjacent structures are sutured and connected.

[0027] The membrane material in this utility model is preferably an acellular tissue matrix material. This material is made from human skin tissue, intestinal membranes, diaphragms, tendons, and bladders donated after death, through a series of steps including decellularization, viral inactivation, and sterilization. Alternatively, the membrane material can be made from porcine, bovine, equine, or any other non-human mammalian skin tissue, through a series of steps including decellularization, immunogenicity reduction, viral inactivation, and sterilization. The membrane material is preferably 0.2-0.8 mm thick to ensure adequate support.

[0028] In other application scenarios, membrane materials can also be made of other thin sheet materials such as titanium mesh materials.

[0029] The present invention will be described in detail below with reference to the embodiments. It should also be understood that the following embodiments are only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Any non-essential improvements and adjustments made by those skilled in the art based on the above contents of the present invention fall within the scope of protection of the present invention.

[0030] Example 1

[0031] References below Figure 1 The breast prosthesis fixing and covering structure provided by the first embodiment of the present invention is described in detail.

[0032] like Figure 1 As shown, the breast prosthesis fixing and covering structure provided in this embodiment includes a supporting portion 1, a connecting portion 2 and a protruding portion 3, which are formed by cutting a whole piece of membrane material as an integral molding structure. This structure is easy to mold and the connection between them is more stable and reliable.

[0033] Specifically, the support portion 1 is configured as a circular structure. When used with a breast prosthesis, it corresponds to and covers the convex surface of the breast prosthesis, providing overall support for the breast prosthesis. The radius R1 of the circular support portion 1 is typically set to 4-6 cm, and the specific size can be set based on the convex surface area of ​​the breast prosthesis.

[0034] The connecting portions 2 are arranged in multiple groups, each of which is sequentially arranged along the circumferential direction on the outer edge of the circular support portion 1. Specifically, the outer edge of the support portion 1 is segmented and extended away from the center of the circle to form a fan-shaped structure. When used in conjunction with a breast prosthesis, this structure bends and gathers to support and wrap the edge of the breast prosthesis. To prevent interference between adjacent connecting portions 2 during the gathering process, in this embodiment, adjacent connecting portions 2 are arranged at an angle. The angle α is preferably set between 20-30 degrees. This angle can prevent interference between adjacent connecting portions 2 while also ensuring that adjacent connecting portions 2 are relatively tightly connected to ensure their support effect.

[0035] In this embodiment, the distances from the distal ends of the connecting portions 2 to the center of the supporting portion 1 are equal, that is, the radii R2 of the fan-shaped connecting portions 2 are equal. R2 is usually set to 7-10 cm, and the specific size can be set according to the plane area of ​​the breast prosthesis.

[0036] The number of raised portions 3 corresponds to the number of connecting portions 2, and they are each connected to the distal end of the connecting portion 2, i.e., the end away from the center of the support portion 1. In this embodiment, the width of the raised portion 3 is smaller than the width of the distal end of the connecting portion 2 with which it is connected. During use with a breast prosthesis, the bending of the connecting portion 2 causes the raised portions 3, which are integral with the connecting portion 2, to bend simultaneously. In this state, adjacent raised portions 3 can be sutured together to bring the raised portions 3 together on the other side of the breast prosthesis, thereby forming a wrap-around securement for the breast prosthesis. Furthermore, the distance R3 from the distal end of the raised portion 3 to the center of the support portion 1 is set to 10-15 cm, and the specific size can be set based on the planar surface area of ​​the breast prosthesis.

[0037] Preferably, the distal end of the raised portion 3 is configured as a semicircular structure to prevent the distal ends from overlapping each other during suturing. The diameter of the semicircle is equal to the width of the raised portion 3, and its radius R4 is set at 2-3.5 cm.

[0038] In this embodiment, the number of connecting portions 2 and the corresponding protrusions 3 is set to 8-16 groups respectively to ensure the surrounding and gathering effect of the protrusions 3. If the number is set too small, the wrapping effect on the breast prosthesis will be poor. Considering the operational convenience of medical staff, the number should not be set too much, and is preferably set to 8 groups.

[0039] The breast prosthesis fixing and covering structure provided in this embodiment has a regular shape. The raised portions 3 are connected and gathered together to form a roughly bowl-shaped sleeve structure, which is particularly suitable for round breast prostheses.

[0040] Example 2

[0041] References below Figure 2 The breast prosthesis fixing and covering structure provided by the second embodiment of the present invention is described in detail. The breast prosthesis fixing and covering structure provided by the second embodiment has substantially the same structure as that provided by the first embodiment. Therefore, for the sake of brevity, only the differences are described in detail here.

[0042] like Figure 2 As shown, in this embodiment, the distances from the distal ends of the connecting portions 2 to the center of the support portion 1 are of varying lengths and are divided into two sizes, namely, long connecting portions 21 and short connecting portions 22. The long connecting portions 21 are concentrated on one side, and the short connecting portions 22 are concentrated on the other side. The number of short connecting portions 22 is slightly greater than the number of long connecting portions 21, typically with 1-2 groups provided. The distance from the distal ends of the long connecting portions 21 to the center of the support portion 1 is 1-5 cm longer than the distance from the distal ends of the short connecting portions 22 to the center of the support portion 1. For example, the distance R2 from the distal ends of the short connecting portions 22 to the center of the support portion 1 is set to 7-10 cm, and the distance R5 from the distal ends of the long connecting portions 21 to the center of the support portion 1 is set to 8-12 cm. The specific dimensions can be set based on the planar area of ​​the breast prosthesis.

[0043] Correspondingly, the distance R3 from the distal end of the outer protrusion 3 of the short connection part 22 to the center of the support part 1 is set to 10-15 cm, and the distance R6 from the distal end of the outer protrusion 3 of the long connection part 21 to the center of the support part 1 is set to 11-17 cm.

[0044] The breast prosthesis fixing and covering structure provided in this embodiment has an irregular shape. The raised portions 3 are connected and gathered to form a roughly teardrop-shaped sleeve structure, which is particularly suitable for teardrop-shaped breast prostheses.

[0045] Example 3

[0046] Based on the breast prosthesis fixing and covering structures provided in Example 1 and Example 2, this embodiment provides an implantable breast prosthesis, specifically referring to Figure 3-Figure 5The implantable breast prosthesis includes the aforementioned breast prosthesis fixing and covering structure and a breast prosthesis. Adjacent raised portions 3 are sutured together to form the breast prosthesis fixing and covering structure into a sleeve-like structure that conforms to the shape of the breast prosthesis to be fixed. The breast prosthesis to be fixed is disposed within the sleeve-like structure. The raised portions 3 can be sutured using either permanent or degradable surgical sutures, either single-needle or continuous suture, depending on actual needs.

[0047] Specifically, during various surgical operations such as breast reconstruction, plastic surgery, and correction, the breast prosthesis is pre-sutured and wrapped with the breast prosthesis fixing and covering structure provided in Example 1 or Example 2 to form an implantable breast prosthesis, which is then implanted into the body and fixed by suture.

[0048] The implantable breast prosthesis provided in this embodiment, through its fixed covering structure, provides support and coverage for the breast prosthesis, making the reconstructed breast beautiful and upright, achieving a better cosmetic result. Furthermore, after implantation, the acellular tissue matrix material integrates with the surrounding breast tissue of the recipient, transforming into new tissue without any foreign matter remaining.

[0049] On the other hand, some breast reconstruction and plastic surgery procedures are prone to complications such as dislocation, deformity, poor coverage, wrinkles, and capsular contracture. The breast implant fixation and coverage structure provided in this embodiment can also be used to prevent these complications. For example, this structure can be used to control the position of a breast implant, much like an implanted bra, better supporting and maintaining the implant's position and reducing the pressure and tension on the patient's own tissues that can cause relaxation.

[0050] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A breast prosthesis fixing and covering structure, characterized in that: include: A support portion (1), wherein the support portion (1) is configured in a circular shape; bendable connecting portions (2), the connecting portions (2) being configured into a plurality of groups, each connecting portion (2) being connected to the outer edge of the supporting portion (1) along the circumferential direction, and adjacent connecting portions (2) being arranged at an angle; The number of the bendable protrusions (3) corresponds to that of the connecting portion (2), and they are respectively connected to the distal ends of the connecting portion (2). The width of the protrusions (3) is smaller than the width of the distal end of the connecting portion (2) connected thereto.

2. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The support portion (1), the connecting portion (2) and the raised portion (3) are integrally connected.

3. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The connecting parts (2) are configured into 8-16 groups.

4. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The distances from the distal ends of the connecting parts (2) to the center of the supporting part (1) are equal.

5. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The distances from the distal ends of the connecting parts (2) to the center of the supporting part (1) are unequal, and the connecting parts (2) are divided into long connecting parts (21) and short connecting parts (22). The number of the short connecting parts (22) is 1-2 more than that of the long connecting parts (21).

6. The breast prosthesis fixing and covering structure according to claim 5, characterized in that: The distance from the distal end of the long connecting portion (21) to the center of the supporting portion (1) is 1-5 cm longer than the distance from the distal end of the short connecting portion (22) to the center of the supporting portion (1).

7. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The included angle α between adjacent connecting portions (2) is set to 20-30°.

8. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The distal end of the protrusion (3) is configured as a semicircle.

9. The breast prosthesis fixing and covering structure according to claim 1, characterized in that: The supporting portion (1), connecting portion (2) and protruding portion (3) are all made of acellular tissue matrix material.

10. An implantable breast prosthesis, characterized in that: The invention comprises a breast prosthesis fixing and covering structure according to any one of claims 1 to 9 and a breast prosthesis, wherein adjacent raised portions (3) are sutured and connected so that the breast prosthesis fixing and covering structure is constructed into a sleeve-like structure that matches the shape of the breast prosthesis, and the breast prosthesis is arranged within the sleeve-like structure.

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