CN111821070B - Combined Bone-Bone Tablets and Bone-Bone Tablet Units - Google Patents

Abstract

The invention relates to a combined bone supplementing tablet and a bone supplementing tablet unit; the bone supplementing sheet unit is a plate body and comprises two opposite side surfaces and an outer annular wall surface, wherein the outer annular wall surface is connected between the two side surfaces; a plurality of combining columns and a plurality of combining grooves are formed on the plate body along the outer annular wall surface, and the shapes of the combining columns and the combining grooves are corresponding; the combined bone supplementing sheet is a bendable plate body and comprises a plurality of interconnected bone supplementing sheet units, wherein the binding post of one bone supplementing sheet unit is penetrated into the binding groove of the other bone supplementing sheet unit in any two of the interconnected bone supplementing sheet units; the bone supplementing sheet units are combined and bent into the large combined bone supplementing sheet which is matched with the shape of the skull defect part, so that the material waste caused by cutting and processing of expensive medical materials is avoided, and the manufacturing time can be saved.

Description

Combined Bone-Bone Tablets and Bone-Bone Tablet Units

technical field

The invention relates to a medical implant, in particular to a combined bone psoriasis and bone psoriasis unit which can be used to repair skull defects.

Background technique

When a patient has a large area of skull removed due to trauma or brain surgery, it is necessary to repair and shape the skull defect in the follow-up treatment to avoid sequelae of fragile brain tissue due to lack of bone protection; now The state-of-the-art cranioplasty is to first cut the whole metal or polymer material into a bone prosthesis that fits the defect site by cutting and forming, and then fix the formed bone prosthesis to the skull through surgery.

However, because the shape of the skull is a curved surface, a large amount of material often needs to be removed when cutting a whole piece of material. Therefore, the bone prosthesis of the prior art not only wastes materials, but also takes a lot of time to make.

Therefore, the Bone Tablets of the prior art really needs to be improved.

Contents of the invention

In view of the aforementioned shortcomings and deficiencies of the prior art, the present invention provides a bone replacement tablet to save materials and production time.

In order to achieve the above-mentioned purpose of the invention, the technical means adopted in the present invention is to design a bone replacement piece unit, which is a plate body, which includes opposite two sides and an outer ring wall, and the outer ring wall is connected to the Between the two sides; the plate body is formed with a plurality of coupling columns and a plurality of coupling grooves along the wall of the outer ring, and the shapes of the plurality of coupling columns correspond to the shapes of the plurality of coupling grooves; the plurality of coupling columns Formed on one of the side surfaces of the plate body or respectively formed on the two side surfaces of the plate body; the plurality of combining grooves run through the two side surfaces of the bone prosthesis unit.

In order to achieve the above-mentioned purpose of the invention, the present invention further provides a combined osteosynthesis piece, which is a plate that can be bent. Connection; in any two interlinked bone-split units, at least one combining post of one of the bone-splinting units passes through at least one combining groove of the other bone-splinting unit.

The advantage of the present invention is that, by designing a plate-shaped bone prosthetic unit, each bone prosthetic unit is formed with a plurality of combining columns and a plurality of combining grooves along its outer ring wall surface, and the bone prosthetic unit can be formed with an edge The combination column and the combination groove are connected with each other to form a large combined bone bone patch; when making a bone bone patch for a patient's damaged skull, the present invention can combine many small pieces of bone bone pieces and bend them into Large combined bone prostheses conform to the shape of the skull defect, thereby avoiding material waste caused by cutting expensive medical materials and also saving manufacturing time.

Furthermore, in the aforementioned bone replacement unit, a plurality of screw holes are formed through the two sides of the plate body, and the plurality of screw holes are arranged along the outer ring wall of the plate body.

Furthermore, in the above-mentioned osteosynthetic piece unit, wherein the plate body is polygonal so that the outer ring wall has a plurality of ends, and each of the combining columns and each of the combining grooves is adjacent to one of the ends.

Further, in the above-mentioned osteosynthetic piece unit, wherein the plate body is N-sided and the outer ring wall is formed with N connection surfaces; the number of the combination columns and the number of the combination grooves are N; wherein, N is an integer greater than 2.

Further speaking, the aforementioned bone-splitting unit, wherein the thickness of the bone-splitting unit is less than 1 mm.

Further, in the above-mentioned bone prosthesis unit, wherein the material of the bone prosthesis unit is titanium.

Furthermore, in the above-mentioned bone prosthesis unit, wherein the material of the bone prosthesis unit is titanium hexaluminum tetravanadium alloy.

Furthermore, the aforementioned bone-split unit, wherein the material of the bone-split unit is 316L stainless steel.

Further, in the above-mentioned osteosynthetic piece unit, wherein the material of the bone bone piece unit is polyether ether ketone.

Further, in the above-mentioned bone prosthesis unit, wherein the material of the bone prosthesis unit is aluminum.

Description of drawings

Fig. 1 is a three-dimensional appearance view of the first embodiment of the bone prosthesis unit of the present invention.

Fig. 2 is a schematic side view of the first embodiment of the bone prosthesis unit of the present invention.

Fig. 3 is a three-dimensional appearance view of the second embodiment of the bone prosthesis unit of the present invention.

Fig. 4 is a three-dimensional appearance view of the third embodiment of the bone prosthesis unit of the present invention.

Fig. 5 is a three-dimensional appearance view of the fourth embodiment of the bone prosthesis unit of the present invention.

Fig. 6 is a perspective view of a fifth embodiment of the bone prosthesis unit of the present invention.

Fig. 7 is a perspective view of the sixth embodiment of the bone prosthesis unit of the present invention.

Fig. 8 is a three-dimensional appearance view of the first embodiment of the combined bone prosthesis of the present invention.

Fig. 9 is a perspective view of the seventh embodiment of the bone prosthesis unit of the present invention.

Fig. 10 is another perspective view of the seventh embodiment of the bone prosthesis unit of the present invention.

Fig. 11 is a perspective view of the eighth embodiment of the bone prosthesis unit of the present invention.

Fig. 12 is another perspective view of the eighth embodiment of the bone prosthesis unit of the present invention.

Fig. 13 is a three-dimensional appearance view of the second embodiment of the combined bone prosthesis of the present invention.

Detailed ways

In the following, the technical means adopted by the present invention to achieve the intended purpose of the invention will be further described in conjunction with the accompanying drawings and preferred embodiments of the present invention.

Please refer to Fig. 1 and Fig. 2, the bone prosthesis unit of the present invention is a plate body, which includes opposite side surfaces 10 and an outer ring wall surface 20, the outer ring wall surface 20 is connected between the two side surfaces 10; A plurality of coupling columns 30 and a plurality of coupling grooves 40 are formed along the outer ring wall 20 , and the shapes of the coupling columns 30 and the coupling grooves 40 correspond to each other.

The aforesaid multiple combining columns 30 and multiple combining grooves 40 are formed on the outer ring wall surface 20 of the plate body in this embodiment, thus, a plurality of bone prosthetic units pass through the combining columns 30 and combining grooves 40 on the outer ring wall surface 20 After being joined together to form a bone-split component, there will be no obvious height difference on the surface of the bone-splint component (as shown in Figure 8), but the positions of multiple combining columns and multiple combining grooves are not limited to this, only need A plurality of combining columns and a plurality of combining grooves can be formed along the outer ring wall of the plate body. The so-called forming along the outer ring wall of the plate body is not limited to forming on the outer ring wall, as long as it is along the outer ring wall The positions can be extended or arranged around, that is to say, a plurality of coupling columns and a plurality of coupling grooves can be formed on the outer ring wall 20 as in this embodiment, or can also be formed as in the seventh embodiment of the present invention (as shown in Figure 9 ), a plurality of coupling columns 30F and a plurality of coupling grooves 40F are formed along the edge of the side surface 10F of the plate body adjacent to the outer ring wall surface 20F.

In this embodiment, when the aforementioned plate body is N-sided (N is an integer greater than 2), the outer ring wall is formed with N connecting surfaces; the number of connecting columns is N, which are respectively formed on N Connecting surface; the number of combining grooves is N, which are respectively formed on N connecting surfaces. In simple terms, when the plate body is polygonal, each connecting surface of the polygon has a combining column and a combining groove; specifically , N in this embodiment is equal to six, that is to say, the plate body of this embodiment is a regular hexagon so that the outer ring wall 20 is formed with six connecting surfaces 21; the number of connecting columns 30 is six, which are respectively formed On the six connecting surfaces 21; the number of combining grooves 40 is six, which are respectively formed on the six connecting surfaces 21, but the number of combining columns and combining grooves on each connecting surface of the polygonal plate body is not limited to this, for example, in In the second embodiment of the present invention (as shown in FIG. 3 ), part of the connection surface 21A has two coupling posts 30A but no coupling groove, and part of the connection surface 21A has two coupling grooves 40A but no coupling post.

The shape of the aforesaid coupling column 30 is cylindrical in this embodiment, and the shape of the coupling groove 40 is a circular groove corresponding to the coupling column 30, but the shape of the coupling column can also form a quadrangular column-shaped coupling column 30B ( As shown in Figure 5), or a triangular column-shaped coupling column 30C (as shown in Figure 6), or a pentagonal column-shaped coupling column 30D (as shown in Figure 7) and other pillars of various shapes, and the coupling groove can also correspond to various coupling columns. Grooves of various shapes such as a square combining groove 40B (as shown in FIG. 5 ), a triangular combining groove 40C (as shown in FIG. 6 ) or a pentagonal combining groove 40D (as shown in FIG. 7 ).

In other preferred embodiments, a circular binding bead 50E is connected to the top of the binding post 30E (as shown in FIG. A circular bonding bead groove 60E is formed, and the width of the bonding bead groove 60E corresponds to the width of the bonding bead 50E, so that when connecting different bone-plaster units, the bonding bead 50E can be pressed against the bonding groove 40E The coupling groove 40E is elastically deformed and expanded, so that the coupling beads 50E penetrate through the coupling groove 40E and engage in the coupling bead groove 60E, thereby strengthening the coupling force so as to prevent the splinter unit from being easily pulled out and separated after the coupling.

Please refer to Fig. 8, the combined bone bone patch of the present invention is a bendable plate body, the combined bone bone bone patch includes a plurality of bone bone patch units 70, and the multiple bone bone patch units 70 are connected to each other; Among the interlinked bone-split units 70, at least one combining column of one bone-splinting unit 70 is penetrated in at least one combining groove of another bone-splinting unit; in this embodiment, the bone-splinting unit is passed The combination column and the combination groove on the outer wall of the plate body are pierced and connected to form a combined bone replacement unit, and specifically, the combined bone replacement unit is the bone replacement unit of the first embodiment of a plurality of bone replacement units. The plate units 70 are connected and formed, but not limited thereto, the combined bone prosthetic piece can also be formed by connecting multiple bone prosthetic units of other aforementioned embodiments.

Please refer to FIG. 9 and FIG. 10 , the seventh embodiment of the bone prosthesis unit of the present invention is substantially the same as the first embodiment, the difference lies in the forming positions of the plurality of combining columns and the plurality of combining grooves.

A plurality of combining columns 30F are formed on one of the side surfaces 10F of the plate body of the bone-split unit; a plurality of combining grooves 40F run through both sides of the bone-filling piece unit; There are three screw holes 11F, and a plurality of screw holes 11F are arranged along the outer ring wall surface 20F of the plate body, but the positions where the screw holes 11F penetrate the two sides of the plate body 10F are not limited to this, and even the plate body may not have screw holes.

In this embodiment, the plate body is polygonal so that its outer ring wall 20F has a plurality of ends 22F, and each coupling post 30F and each coupling groove 40F is adjacent to one of the end portions 22F. Specifically, the plate body is hexagonal. , the end 22F is located at each turning point of the outer ring wall surface 20F, and the positions of the combining column 30F and the combining groove 40F are all adjacent to the turning point, but the positions of the combining column and the combining groove are not limited to this, for example, they can also be arranged in adjacent At the center of the two adjacent end portions 22F.

In this embodiment, the plate body is N-sided (N is an integer greater than 2) so that the outer ring wall 20F is formed with N connection surfaces; the number of coupling columns 30F and the number of coupling grooves 40F are N in total, specifically For example, N is equal to six, and the plate body is hexagonal so that the outer ring wall 20F is formed to have six connecting surfaces 21F; the number of combining columns 30F and the number of combining grooves 40F are six in total, which are respectively three combining columns 30F and three combining grooves 40F, so that each connecting surface 21F of the polygonal plate body can be firmly connected with the connected plate body, but the number of combining columns and the total number of combining grooves are not limited to this, for example, it can also be used in A total of twelve combining columns and combining grooves are arranged in the hexagonal plate body.

Please refer to Fig. 11 and Fig. 12, the eighth embodiment of the bone prosthetic unit of the present invention is substantially the same as the aforementioned seventh embodiment, the difference lies in that a plurality of combining columns 30G are respectively formed on the two sides 10G of the plate body; Therefore, depending on the situation, a plurality of coupling columns of the panel may only be formed on one side of the panel, or symmetrically formed on both sides of the panel (i.e., all the coupling columns go through the panel up and down), or the position Asymmetrically formed on both sides of the plate body (i.e. equivalent to part of the coupling column passing through the plate body up and down, part of the coupling column formed on one side of the plate body, and part of the coupling column formed on the other side of the plate body), all of the above can be used.

In the seventh and eighth embodiments of the aforesaid bone prosthesis unit, the distance between the two sides of the plate body is defined as the thickness of the plate body, and the thickness of the plate body is less than 1mm, but the thickness of the plate body of the bone prosthesis unit is not limited to this, only When the combining columns and combining grooves of the bone prosthetic unit are formed on the side of the plate body, the thickness of the plate body is appropriate and can be bent and deformed according to the requirements of the operation.

In the above-mentioned embodiments of all the bone-filling piece units, the material of the plate body can be titanium, titanium hexaluminum-four-vanadium alloy (Ti-6Al-4V), polyetheretherketone (polyetheretherketone, PEEK), 316L stainless steel, etc. Biocompatibility And any one of materials with excellent mechanical strength, or the material of the bone splint unit can also be aluminum which is light in weight and cheap.

Please refer to Fig. 13, the second embodiment of the combined bone prostheses of the present invention is roughly the same as the first embodiment, the difference lies in the multiple combining posts and multiple combining grooves of the bone prostheses unit used in this embodiment Formed on the sides of each plate body, and therefore the bone-split units are connected in a manner that the edges overlap up and down; wherein, the bone-split unit 71 corresponds to the eighth embodiment of the splint unit of the present invention (as shown in FIG. 11), the bone prosthesis unit 72 corresponds to the seventh embodiment of the bone prosthesis unit of the present invention (as shown in Figure 9), and the bone prosthesis unit 73 is substantially the same as the seventh embodiment of the bone prosthesis unit of the present invention, but One of the combining columns 74 is higher than the other combining columns, so as to facilitate the connection of the bone prosthesis unit 72 .

When the present invention is in use, a plurality of small pieces of bone-bone pieces are connected to each other and bent to form a large piece of combined bone-bone piece whose shape corresponds to the defect of the skull; During the aspect shown in the second embodiment (as shown in Figure 13) of the combined bone patch, the edge of the combined bone patch can be overlapped and covered on the surface of the skull, and the screw holes of the bone patch unit can be penetrated by bolts, and The way of screwing on the skull will fix the bone-filling piece on the skull; and when the form of the combined bone-filling piece belongs to the aspect shown in the first embodiment (as shown in Figure 8) of the combined bone-filling piece of the present invention, Then trim the edge of the combined bone bone patch according to the requirement, then insert the combined bone bone patch into the skull defect, and fix the combined bone bone patch to the skull in other ways.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any ordinary person in the technical field Those skilled in the art, within the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not deviate from the technical solution of the present invention, according to the technical content of the present invention Technical Essence of the Invention Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (11)

1. The bone supplementing sheet unit is characterized in that the bone supplementing sheet unit is a plate body, and the plate body comprises two opposite side surfaces and an outer annular wall surface, wherein the outer annular wall surface is connected between the two side surfaces; a plurality of combining columns and a plurality of combining grooves are formed on the plate body along the outer annular wall surface, and the shapes of the combining columns and the shapes of the combining grooves correspond to each other; the plurality of binding posts are formed on one side surface of the plate body or respectively formed on the two side surfaces of the plate body; the plurality of combining grooves penetrate through the two side surfaces of the bone supplementing sheet unit.

2. The bone repair sheet unit according to claim 1, wherein the plate body is formed with a plurality of screw holes penetrating through both side surfaces thereof, and the plurality of screw holes are arranged along the outer circumferential wall surface of the plate body.

3. The bone repair sheet unit according to claim 1, wherein the plate body is polygonal such that the outer circumferential wall has a plurality of ends, each of the coupling posts and each of the coupling grooves being adjacent to one of the ends.

4. The bone repair sheet unit according to claim 1, wherein the plate body has an N-sided shape such that the outer circumferential wall surface is formed with N connection surfaces; the number of the combination columns and the number of the combination grooves are N; wherein N is an integer greater than 2.

5. The bone repair sheet unit of claim 1, wherein the thickness of the bone repair sheet unit is less than 1mm.

6. The bone repair sheet unit of claim 1, wherein the bone repair sheet unit is made of titanium.

7. The bone repair sheet unit of claim 1, wherein the bone repair sheet unit is made of titanium hexaaluminum tetra-vanadium alloy.

8. The bone repair sheet unit of claim 1, wherein the bone repair sheet unit is 316L stainless steel.

9. The bone repair sheet unit of claim 1, wherein the bone repair sheet unit is made of polyetheretherketone.

10. The bone repair sheet unit of claim 1, wherein the bone repair sheet unit is made of aluminum.

11. A combined bone supplementing sheet, characterized in that the combined bone supplementing sheet is a bendable plate body, and comprises a plurality of bone supplementing sheet units as defined in any one of claims 1 to 10, wherein the bone supplementing sheet units are connected with each other; any two of the two mutually connected bone supplementing sheet units are provided with at least one combining column of one bone supplementing sheet unit penetrating into at least one combining groove of the other bone supplementing sheet unit.

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