Auxiliary bracket for skull implant and implant assembly
By designing the auxiliary bracket for skull implants, the combination of bent fixing arm and elastic arm snaps is solved, and the problems of instability and disassembly difficulties in the prior art are achieved, achieving stable fixing and convenient replacement.
Patent Information
- Application Number
- CN202422153507.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing fixation method is difficult to adapt to complex and multi-arc skull surfaces, resulting in unstable implantation position, easy displacement, and inconvenient equipment disassembly and replacement, which poses a risk of external impact damage.
A skull implant auxiliary bracket is designed, including a bracket body and a bendable fixing arm. The skull implant is snapped by elastic arm and the angle of the bendable fixing arm is adjusted to fit the patient's skull, and the stable fixation is achieved in combination with the skull nail hole.
It is achieved to adapt to different implant positions and patient skull characteristics during surgery, avoid impact damage, and facilitate disassembly and replace implants.
Smart Images
Figure CN223143971U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and particularly relates to a skull implant auxiliary bracket and an implant assembly. Background Art
[0002] In current neurosurgery operations, it is often necessary to directly implant a nerve stimulator on the skull and then fix it. For example, the device is locked on the skull through skull nails, or there is no special fixing method, and the device is directly covered with flap tissue.
[0003] The existing fixing methods have the following problems:
[0004] 1. The existing fixing methods are difficult to adapt to the complex and multi-curved skull surface, which poses certain challenges to the implant position and clinical operation;
[0005] 2. The existing fixing methods are difficult to completely lock the position of the device, resulting in displacement and causing surgical failure or unsatisfactory postoperative effects;
[0006] 3. Since the existing fixing methods directly contact the skull / brain tissue with the device, once subjected to external force impact, it is easy to cause serious damage to the device and the human body;
[0007] 4. The existing fixing methods are not convenient for disassembly and are not convenient for implant replacement. Summary of the Utility Model
[0008] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a skull implant auxiliary bracket and an implant assembly, which can solve the problem of difficult intraoperative operation, adapt to various implant devices and patient skull characteristics, and avoid the problem of external force impact after surgery.
[0009] To achieve the above object and other related objects, on the one hand, the present utility model provides a skull implant auxiliary bracket, including a bracket body. The bracket body includes an implant accommodation cavity. The bracket body is provided with bendable fixing arms adapted to fit the skull arc surface. The bendable fixing arms are provided with skull nail holes. The bracket is also provided with spring arm buckles adapted to fix the skull implant.
[0010] In some embodiments of the present utility model, the bracket body includes a bracket bottom, an upper side wall, a lower side wall, a left side wall, and a right side wall. The implant accommodation cavity is formed by enclosing the upper side wall, the left side wall, the lower side wall, the right side wall, and the bracket bottom.
[0011] In some embodiments of the present utility model, if the bending direction of the bendable fixing arm faces away from the implant accommodation cavity, the number of the bendable fixing arms is multiple.
[0012] In some embodiments of the present utility model, the number of the bendable fixing arms is three, and the positions of the three bendable fixing arms are distributed in a triangular shape. One bendable fixing arm is respectively arranged on the upper side wall, the left side wall and the right side wall.
[0013] In some embodiments of the present utility model, the material of the skull implant auxiliary bracket is a metal or non-metal material with good biocompatibility.
[0014] In some embodiments of the present utility model, the skull implant auxiliary bracket is integrally formed by sheet metal, bending or stamping from a metal or non-metal material with good biocompatibility.
[0015] In some embodiments of the present utility model, the thickness of the skull implant auxiliary bracket is less than 0.5 mm.
[0016] In some embodiments of the present utility model, the material of the skull implant auxiliary bracket is titanium metal.
[0017] In some embodiments of the present utility model, the elastic arm buckles are respectively arranged on the left side wall and the right side wall.
[0018] In some embodiments of the present utility model, the elastic arm buckles are symmetrically arranged on the left side wall and the right side wall respectively.
[0019] In some embodiments of the present utility model, the buckling direction of the elastic arm buckle faces the implant accommodating cavity.
[0020] In some embodiments of the present utility model, an implant retaining wall is further arranged on the bracket body.
[0021] In some embodiments of the present utility model, the depth of the implant accommodating cavity is 3 mm to 7 mm.
[0022] The present utility model further provides an implant assembly, including the aforementioned skull implant auxiliary bracket and a skull implant arranged in the skull implant auxiliary bracket. The skull implant auxiliary bracket and the skull implant are detachably connected.
[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0024] For the skull implant auxiliary bracket provided by the present utility model, first, the skull implant is fixed on the bracket through the elastic arm buckles, and further, the angle of the bendable fixing arms is adjusted to fit the patient's skull, so as to adapt to different implant positions and different patient skull characteristics during the operation, effectively fix the implant and avoid damage caused by impact, and it is convenient to disassemble and facilitate the replacement of the implant in the later stage. Description of the Drawings
[0025] Figure 1 Shown is a schematic structural view of the auxiliary bracket for the cranial implant of the present utility model.
[0026] Figure 2 Shown is a schematic structural view of the implant assembly of the present utility model.
[0027] Figure 3 Shown is a schematic structural view of the implant assembly in the working state of the present utility model.
[0028] Explanation of component numbers:
[0029] 1 Bracket body
[0030] 11 Implant accommodation cavity
[0031] 111 Bracket bottom
[0032] 112 Upper side wall
[0033] 113 Lower side wall
[0034] 114 Left side wall
[0035] 115 Right side wall
[0036] 2 Bendable fixing arm
[0037] 3 Cranial nail hole
[0038] 4 Elastic arm buckle
[0039] 5 Implant retaining wall
[0040] 6 Cranial implant
[0041] 61 Ear wing Detailed implementation manners
[0042] The following further details the specific implementation manners of the present utility model in conjunction with the accompanying drawings. These implementation manners are only for illustrating the present utility model and are not intended to limit the present utility model.
[0043] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0044] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0045] In addition, in the description of the present utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.
[0046] See Figures 1 to 3 , the embodiment of the present utility model provides an auxiliary bracket for a cranial implant, as Figure 1 , the auxiliary bracket for a cranial implant includes a bracket body 1. The bracket body 1 includes an implant accommodation cavity 11. The bracket body 1 is provided with a bendable fixing arm 2 adapted to fit the cranial arc surface. The bendable fixing arm 2 is provided with cranial nail holes 3. The bracket body 1 is provided with a spring arm buckle 4 adapted to fix the cranial implant 6. During application, first, the cranial implant 6 is fixed on the bracket through the spring arm buckle 4. Further, the angle of the bendable fixing arm 2 is adjusted to fit the patient's skull, and the implant is fixed on the skull through the cranial nail holes 3. The present utility model realizes adapting to different implant positions and different patient skull characteristics during the operation, effectively fixing the implant and avoiding damage caused by impact.
[0047] In the auxiliary bracket for a cranial implant provided by the embodiment of the present utility model, as Figure 1 , the bracket body 1 includes a bracket bottom 111, an upper side wall 112, a lower side wall 113, a left side wall 114, and a right side wall 115. The upper side wall 112, the left side wall 114, the lower side wall 113, the right side wall 115, and the bracket bottom 111 enclose to form the implant accommodation cavity 11. The settings of the upper side wall 112, the left side wall 114, the lower side wall 113, and the right side wall 115 not only form the accommodation space for the implant but also have other auxiliary functions. For example, after being fixed to the skull, they can prevent the leakage of brain tissue, cerebrospinal fluid, etc.
[0048] In some optional embodiments, a part of the cranial implant 6 close to the lower side wall 113 needs to be connected to other components. Therefore, the height of the lower side wall 113 can be set slightly lower, that is, the height of the upper side wall 112 is higher than the height of the lower side wall 113.
[0049] In the auxiliary bracket for a cranial implant provided by the embodiment of the present utility model, as Figure 1 , the bending direction of the bendable fixing arm 2 faces away from the implant accommodation cavity 11, and the number of the bendable fixing arms 2 is multiple.
[0050] In some alternative embodiments, the number of the bendable fixing arms 2 is three, and the positions of the three bendable fixing arms 2 are distributed in a triangular shape, and one bendable fixing arm 2 is respectively provided on the upper side wall 112, the left side wall 114 and the right side wall 115. By the above arrangement, the three bendable fixing arms 2 form a stable triangular structure. Generally, the specific positions of the respective bendable fixing arms on the upper side wall 112, the left side wall 114 and the right side wall 115 are not particularly limited. As an example, the bendable fixing arms 2 on the left side wall 114 and the right side wall 115 can be arranged at positions close to the lower side wall 113.
[0051] In the skull implant auxiliary bracket provided by the embodiment of the present utility model, the entire skull implant auxiliary bracket can be made of a metal / non-metal material with good biocompatibility. Preferably, the material of the skull implant auxiliary bracket is titanium metal. Specifically, the entire skull implant auxiliary bracket can be integrally formed by a sheet metal / bending / stamping process using a metal / non-metal material with good biocompatibility. The formed bendable fixing arms 2 and the spring arm buckles 4 are both made of a metal or non-metal material with good biocompatibility. The bendable angle of the fixing arm is used to adapt to various skull arc surfaces, and the spring arm buckles 4 can be adjusted at different angles and positions to adapt to different implants.
[0052] Further, in order to enable the bendable fixing arms 2 to be bendable, the thickness of the bendable fixing arms 2 is less than 0.5 mm. The overall thickness of the skull implant auxiliary bracket is less than 0.5 mm.
[0053] In some alternative embodiments, the spring arm buckles 4 are respectively arranged on the left side wall 114 and the right side wall 115. Preferably, the spring arm buckles 4 are symmetrically arranged on the left side wall 114 and the right side wall 115 respectively. The buckling directions of the spring arm buckles 4 face the implant receiving cavity 11.
[0054] In the skull implant auxiliary bracket provided by the embodiment of the present utility model, generally, the implant receiving cavity 11 can match different skull implants 6. For example, the depth of the implant receiving cavity 11 is 3 mm to 7 mm.
[0055] In the skull implant auxiliary bracket provided by the embodiment of the present utility model, an implant retaining wall 5 is further provided on the bracket body 1. The implant retaining wall 5 is used to assist in fixing the skull implant 6. Generally, the position of the implant retaining wall 5 is not particularly limited. As an example, it can be arranged on the upper side wall 112, for example.
[0056] The present utility model further provides an implant assembly, which includes the skull implant auxiliary bracket described above in the present utility model and a skull implant 6 disposed within the skull implant auxiliary bracket. The skull implant auxiliary bracket and the skull implant 6 are detachably connected, facilitating replacement.
[0057] Further, the skull implant 6 includes ear wings 61 corresponding to the implant, and the ear wings 61 are snap-connected to the spring arm snap 4.
[0058] The installation and use process of the skull implant auxiliary bracket of the present utility model:
[0059] As Figure 2 , place the skull implant 6 in the implant accommodation cavity 11 of the skull implant auxiliary bracket. Through the structural features of the skull implant auxiliary bracket: the spring arm snap 4 and the implant retaining wall 5 mechanically fix the skull implant 6. As Figure 3 , then place the skull implant auxiliary bracket on the patient's skull (a bone groove matching it can be pre-established on the patient's skull), adjust the angle of the auxiliary bracket fixing arm to make it fit the patient's skull, and fix the skull implant auxiliary bracket through the skull nail holes 3 to complete the implantation process.
[0060] In summary, for the skull implant auxiliary bracket provided by the present utility model, first, the skull implant 6 is fixed on the bracket by the spring arm snap 4, and further, by adjusting the angle of the bendable fixing arm 2 to make it fit the patient's skull, it realizes adapting to different implant positions and different patient skull characteristics during the operation, effectively fixing the implant and avoiding damage caused by impact, and being convenient for disassembly and facilitating the replacement of the implant in the later stage.
[0061] In summary, the present utility model effectively overcomes various drawbacks in the prior art and has high industrial utilization value.
[0062] The above embodiments merely illustrate the principles and effects of the present utility model, rather than limiting the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.
Claims
1. A skull implant auxiliary bracket, characterized in that, It includes a bracket body (1), the bracket body (1) includes an implant accommodation cavity (11), the bracket body (1) is provided with bendable fixing arms (2) adapted to fit the cranial arc surface, the bendable fixing arms (2) are provided with cranial nail holes (3), and the bracket body (1) is further provided with spring arm buckles (4) adapted to fix cranial implants.
2. The cranial implant assisting bracket according to claim 1, characterized in that, The bracket body (1) includes a bracket bottom (111), an upper side wall (112), a lower side wall (113), a left side wall (114) and a right side wall (115), and the implant accommodation cavity (11) is formed by enclosing the upper side wall (112), the left side wall (114), the lower side wall (113), the right side wall (115) and the bracket bottom (111).
3. The cranial implant auxiliary bracket according to claim 1, characterized in that, The bending direction of the bendable fixing arm (2) faces away from the implant accommodation cavity (11), and the number of the bendable fixing arms (2) is multiple.
4. The cranial implant auxiliary bracket according to claim 3, wherein The number of the bendable fixing arms (2) is 3, and the positions of the 3 bendable fixing arms (2) are distributed in a triangle, and one bendable fixing arm (2) is respectively provided on the upper side wall (112), the left side wall (114) and the right side wall (115).
5. The cranial implant auxiliary bracket according to claim 1, characterized in that, The material of the cranial implant auxiliary bracket is a metal or non-metal material with good biocompatibility; and / or, the cranial implant auxiliary bracket is integrally formed by sheet metal, bending or stamping with a metal or non-metal material with good biocompatibility; and / or, the thickness of the cranial implant auxiliary bracket is below 0.5 mm.
6. The skull implant assisting bracket according to claim 5, wherein, The material of the cranial implant auxiliary bracket is titanium metal.
7. The cranial implant auxiliary bracket according to claim 1, characterized in that, The spring arm buckles (4) are respectively arranged on the left side wall (114) and the right side wall (115); and / or, the buckling direction of the spring arm buckle (4) faces the implant accommodation cavity (11); and / or, the depth of the implant accommodation cavity (11) is 3 mm to 7 mm.
8. The cranial implant assisting bracket according to claim 7, wherein The spring arm buckles (4) are symmetrically arranged on the left side wall (114) and the right side wall (115) respectively.
9. The cranial implant assisting bracket according to claim 1, wherein The bracket body (1) is further provided with an implant retaining wall (5).
10. An implant component, characterized in that, It includes the cranial implant auxiliary bracket according to any one of claims 1 to 9 and a cranial implant (6) arranged in the cranial implant auxiliary bracket, and the cranial implant auxiliary bracket and the cranial implant (6) are detachably connected.