CN111821070A - Combined Bone Piece and Bone Piece Unit - Google Patents

Abstract

The invention relates to a combined type bone-tonifying tablet and a bone-tonifying tablet unit; the bone supplementing sheet unit is a plate body and comprises two opposite side surfaces and an outer ring wall surface, and the outer ring wall surface is connected between the two side surfaces; a plurality of combination columns and a plurality of combination grooves are formed on the plate body along the wall surface of the outer ring, and the shapes of the combination columns and the combination grooves correspond to each other; the combined type bone supplementing piece is a bendable plate body and comprises a plurality of bone supplementing piece units which are mutually connected, and in any two bone supplementing piece units which are mutually connected, a combination column of one bone supplementing piece unit penetrates through a combination groove of the other bone supplementing piece unit; the combined bone-supplementing sheet is formed by combining a plurality of small bone-supplementing sheet units and bending the small bone-supplementing sheet units into a large combined bone-supplementing sheet matched with the shape of the skull defect part, so that the waste of materials caused by cutting expensive medical materials is avoided, and the manufacturing time can be saved.

Description

Combined Bone Piece and Bone Piece Unit

technical field

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

Background technique

When a patient has removed a large area of the skull due to trauma or brain surgery, it is necessary to repair and shape the skull defect in the follow-up treatment to avoid the sequelae of the fragile brain tissue due to lack of bone protection. The prior art cranial repair and shaping is to first cut a whole piece of metal or polymer material into a bone patch with a shape that matches the defect site by cutting and shaping, and then fix the shaped bone patch to the skull through surgery.

However, since the shape of the skull is a curved surface, a large amount of material is often required to be removed when using a single piece of material for cutting. Therefore, the bone patch in the prior art not only wastes material, but also takes a lot of time to manufacture.

Therefore, the bone patch in the prior art needs to be improved.

SUMMARY OF THE INVENTION

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

In order to achieve the above-mentioned purpose of the invention, the technical means adopted in the present invention is to design a kind of bone patch unit, which is a plate body, and this plate body includes opposite two sides and an outer ring wall surface, and the outer ring wall surface is connected to the Between the two side surfaces; the plate body is formed with a plurality of coupling posts and a plurality of coupling grooves along the outer ring wall surface, and the shapes of the plurality of coupling posts correspond to the shapes of the plurality of coupling grooves.

In order to achieve the above-mentioned purpose of the invention, the present invention further provides a combined bone patch, which is a plate body that can be bent, and the combined bone patch includes a plurality of bone patch units, and the bone patch units are mutually Connecting; in any two of the bone bone piece units that are connected to each other, at least one of the combining posts of one of the bone bone bone piece units passes through at least one of the combining grooves of the other bone bone bone piece unit.

In order to achieve the above-mentioned purpose of the invention, the present invention further provides a kind of bone patch unit, which is a plate body, and the plate body includes opposite two sides and an outer ring wall surface, and the outer ring wall surface is connected between the two sides; A plurality of coupling columns are formed on the plate body along the outer ring wall surface.

In order to achieve the above-mentioned purpose of the invention, the present invention further provides a kind of bone patch unit, which is a plate body, and the plate body includes opposite two sides and an outer ring wall surface, and the outer ring wall surface is connected between the two sides; A plurality of coupling grooves are formed on the plate body along the outer ring wall surface.

The advantage of the present invention lies in that, by designing a plate-shaped bone patch unit, each bone patch unit is formed with a plurality of binding posts and multiple binding grooves along its outer ring wall surface, and the bone patch unit can be edge The combined column and the combined groove are connected to each other to form a large combined bone patch; when making a bone patch for a patient's damaged skull, the present invention can be combined with many small bone patch units and bent into a The large-piece combined bone patch is suitable for the shape of the skull defect, thereby avoiding material waste caused by cutting expensive medical materials, and also saving manufacturing time.

Further, in the aforementioned bone bone piece unit, the plurality of coupling columns and the plurality of coupling grooves are formed on the outer ring wall surface of the plate body.

Further, in the aforementioned bone bone piece unit, wherein the plate body is an N-sided shape, so that the outer ring wall surface is formed with N connecting surfaces; the number of the connecting columns is N, which are respectively formed on the N connecting surfaces ; The number of the bonding grooves is N, which are respectively formed on the N connecting surfaces; wherein, N is an integer greater than 2.

Further, in the aforementioned bone patch unit, the plurality of combining posts are formed on one of the side surfaces of the plate body; the multiple combining grooves penetrate through the two side surfaces of the bone patch unit.

Further, in the aforementioned bone patch unit, the plurality of combining posts are respectively formed on the two side surfaces of the plate body; the multiple combining grooves penetrate through the two side surfaces of the bone patch unit.

Further, in the above-mentioned bone patch unit, a plurality of screw holes are formed through the two side surfaces of the plate body, and the plurality of screw holes are arranged along the outer ring wall surface of the plate body.

Further, in the aforementioned bone bone piece unit, wherein the plate body is polygonal, so that the outer ring wall surface has a plurality of end portions, and each of the coupling posts and each of the coupling grooves is adjacent to one of the end portions.

Further, in the aforementioned bone patch unit, wherein the plate body is N-shaped, so that the outer ring wall surface is formed with N connecting surfaces; the number of the combining posts and the number of the combining grooves is N in total; wherein, N is an integer greater than 2.

Further, in the aforementioned bone repair sheet unit, the thickness of the bone repair sheet unit is less than 1 mm.

Further, in the aforementioned bone repair piece unit, the material of the bone repair piece unit is titanium.

Further, in the aforementioned bone repair piece unit, the material of the bone repair piece unit is titanium hexaaluminum tetravanadium alloy.

Further, in the aforementioned bone bone piece unit, the material of the bone bone piece unit is 316L stainless steel.

Further, in the aforementioned bone patch unit, the material of the bone patch unit is polyether ether ketone.

Further, in the aforementioned bone repair piece unit, the material of the bone repair piece unit is aluminum.

Description of drawings

FIG. 1 is a perspective appearance view of the first embodiment of the bone psoriasis piece unit of the present invention.

FIG. 2 is a schematic side view of the first embodiment of the bone patch unit of the present invention.

FIG. 3 is a three-dimensional external view of the second embodiment of the bone patch unit of the present invention.

FIG. 4 is a perspective appearance view of a third embodiment of the bone psoriasis piece unit of the present invention.

FIG. 5 is a three-dimensional external view of the fourth embodiment of the bone patch unit of the present invention.

FIG. 6 is a three-dimensional external view of the fifth embodiment of the bone patch unit of the present invention.

FIG. 7 is a perspective external view of the sixth embodiment of the bone psoriasis piece unit of the present invention.

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

FIG. 9 is a perspective external view of a seventh embodiment of the bone psoriasis piece unit of the present invention.

FIG. 10 is another perspective appearance view of the seventh embodiment of the bone patch unit of the present invention.

FIG. 11 is a three-dimensional external view of the eighth embodiment of the bone patch unit of the present invention.

FIG. 12 is another three-dimensional appearance view of the eighth embodiment of the bone patch unit of the present invention.

FIG. 13 is a perspective view of the second embodiment of the combined bone psoriasis piece of the present invention.

Detailed ways

The technical means adopted by the present invention to achieve the predetermined purpose of the invention are further described below with reference to the accompanying drawings and the preferred embodiments of the present invention.

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

The aforementioned plurality of coupling posts 30 and a plurality of coupling grooves 40 are formed on the outer ring wall surface 20 of the plate body in this embodiment, so that the plurality of bone supplement units pass through the coupling posts 30 and the coupling grooves 40 of the outer ring wall surface 20 . After being connected and joined to form a bone patch component, the surface of the bone patch component will not have obvious height differences (as shown in Figure 8), but the positions of the multiple binding posts and multiple binding grooves are not limited to this, only the The plurality of coupling posts and the plurality of coupling grooves can be formed along the outer ring wall surface of the plate body. The so-called forming along the outer ring wall surface of the plate body is not limited to being formed on the outer ring wall surface, as long as they are formed along the outer ring wall surface. It is sufficient to extend or arrange around the position of the outer ring, that is to say, the plurality of coupling posts and the plurality of coupling grooves can be formed on the outer ring wall surface 20 as in the present embodiment, or can also be formed as in the seventh embodiment of the present invention (as shown in FIG. 9 ). ), a plurality of combining pillars 30F and a plurality of combining 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 an N-sided shape (N is an integer greater than 2), the outer ring wall surface is formed with N connecting surfaces; Connection surface; the number of combination grooves is N, which are respectively formed on the N connection surfaces. In simple terms, when the plate body is a polygon, each connection surface of the polygon has a combination column and a combination 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 surface 20 is formed with six connecting surfaces 21; the number of combining columns 30 is six, which are respectively formed In the six connecting surfaces 21; the number of the connecting grooves 40 is six, which are respectively formed on the six connecting surfaces 21, but the number of the connecting columns and the connecting grooves of each connecting surface of the polygonal plate body is not limited to this. In the second embodiment of the present invention (as shown in FIG. 3 ), part of the connecting surface 21A has two coupling posts 30A but no coupling grooves, and part of the connecting surface 21A has two coupling grooves 40A but no coupling posts.

The shape of the aforementioned coupling column 30 is cylindrical in this embodiment, and the shape of the coupling groove 40 corresponds to the circular groove corresponding to the coupling column 30, but the shape of the coupling column can also be formed into a quadrangular column-shaped coupling column 30B ( 5), or a triangular column-shaped binding column 30C (as shown in FIG. 6), or a pentagonal column-shaped binding column 30D (as shown in FIG. 7) and other different shapes of columns, and the binding grooves can also correspond to various binding columns. Various shapes of grooves are formed, such as a square coupling groove 40B (as shown in FIG. 5 ), a triangular coupling groove 40C (as shown in FIG. 6 ), or a pentagonal coupling groove 40D (as shown in FIG. 7 ).

In other preferred embodiments, a circular binding bead 50E is connected to the top of the binding column 30E (as shown in FIG. 4 ), and the width of the binding bead 50E is greater than that of the binding column 30E, and the bottom of the groove of the binding groove 40E is connected to A circular binding bead groove 60E is formed, and the width of the binding bead groove 60E corresponds to the width of the binding bead 50E. Therefore, when connecting different bone patch units, the binding bead 50E can press the binding groove 40E by means of compression. The coupling groove 40E is elastically deformed and expanded, so that the coupling bead 50E penetrates the coupling groove 40E and engages in the coupling bead groove 60E, thereby strengthening the coupling force to prevent the bone patch unit from being easily pulled out and separated after coupling.

Please refer to FIG. 8 , the combined bone patch of the present invention is a bendable plate body, and the combined bone patch includes a plurality of bone patch units 70 , and the multiple bone patch units 70 are connected to each other; any two In the interconnected bone bone piece units 70, at least one combining column of one bone bone piece unit 70 is passed through at least one combination groove of the other bone bone piece unit; The combination column and the combination groove on the outer ring wall of the plate body are connected to form a combined bone bone unit. The piece units 70 are connected to form, but not limited to, the combined bone bone piece can also be formed by connecting a plurality of bone bone repair units of the other embodiments described above.

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

A plurality of binding posts 30F are formed on one of the side surfaces 10F of the plate body of the bone patch unit; a plurality of binding grooves 40F pass through both sides of the bone patch unit; There are several screw holes 11F, and the plurality of screw holes 11F are arranged along the outer ring wall surface 20F of the board body, but the positions of the screw holes 11F passing through the two sides 10F of the board body are not limited to this, and even the board body may not have screw holes.

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

In this embodiment, the plate body is N-sided (N is an integer greater than 2), so that the outer ring wall surface 20F is formed with N connecting surfaces; For example, N is equal to six, and the plate body is hexagonal, so that the outer ring wall surface 20F is formed with six connecting surfaces 21F; and three coupling grooves 40F, so that each connecting surface 21F of the polygonal plate body can be firmly connected with the connected plate body, but the total number of coupling columns and the number of coupling grooves is 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 patch unit of the present invention is substantially the same as the aforementioned seventh embodiment, the difference is that a plurality of combining posts 30G are respectively formed on the two side surfaces 10G of the plate body; Therefore, depending on the situation, the plurality of combining columns of the plate body can be formed only on one side of the plate body, or are formed symmetrically on both sides of the plate body (that is, it is equivalent to that all the combining columns penetrate the plate body up and down), or the position Asymmetrically formed on both sides of the plate body (that is, equivalent to part of the combination column running up and down the plate body, part of the combination column formed on one side of the plate body, and part of the combination column formed on the other side of the plate body), any of the above.

In the aforementioned seventh and eighth embodiments of the bone patch 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 1 mm, but the thickness of the plate body of the bone patch unit is not limited to this, only When the binding column and the binding groove of the bone patch unit are formed on the side surface of the plate body, the thickness of the plate body is appropriate and can be bent and deformed according to the needs of the operation.

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

Please refer to FIG. 13 , the second embodiment of the combined bone patch of the present invention is substantially the same as the first embodiment, the difference lies in the multiple binding posts and multiple binding grooves of the bone patch unit used in this embodiment It is formed on the side of each plate body, and therefore the bone patch units are connected in a manner that the edges overlap up and down; wherein, the bone patch unit 71 corresponds to the eighth embodiment of the bone patch unit of the present invention (as shown in Fig. 11), the bone patch unit 72 corresponds to the seventh embodiment of the bone patch unit of the present invention (as shown in Figure 9), and the bone patch unit 73 is substantially the same as the seventh embodiment of the bone patch unit of the present invention, but The height of one of the combining columns 74 is higher than the other combining columns, so as to facilitate the connection of the osseous piece unit 72 .

When the present invention is in use, a plurality of small pieces of bone bone patch units are connected to each other and bent to form a large piece of combined bone bone patch with a shape corresponding to the skull defect; when the combined bone bone patch belongs to the invention In the state shown in the second embodiment of the combined bone patch (as shown in FIG. 13 ), 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 with bolts, and The bone patch is fixed on the skull by screwing it to the skull; and when the form of the combined bone patch belongs to the aspect shown in the first embodiment of the combined bone patch of the present invention (as shown in FIG. 8 ), Then, the edge of the combined bone patch is trimmed as required, and then the combined bone patch is embedded into the skull defect, and the combined bone patch is fixed to the skull in other ways.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Technical personnel, within the scope of the technical solution of the present invention, can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above, but any content that does not depart from the technical solution of the present invention, according to the present invention. The 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 (17)

1. a bone patch unit, is characterized in that, this bone patch unit is a plate body, and this plate body includes opposite two sides and an outer ring wall surface, and this outer ring wall surface is connected between these two sides; the A plurality of coupling columns and a plurality of coupling grooves are formed on the plate body along the outer ring wall surface, and the shapes of the plurality of coupling columns correspond to the shapes of the plurality of coupling grooves. 2 . The bone patch unit of claim 1 , wherein the plurality of coupling posts and the plurality of coupling grooves are formed on the outer ring wall surface of the plate body. 3 . 3 . The bone patch unit according to claim 2 , wherein the plate body is an N-sided shape, so that the outer ring wall surface is formed with N connecting surfaces; the number of the connecting columns is N, which are respectively formed on the N connecting surfaces; the number of the bonding grooves is N, which are respectively formed on the N connecting surfaces; wherein, N is an integer greater than 2. 4 . The bone patch unit of claim 1 , wherein the plurality of binding posts are formed on one of the side surfaces of the plate body; the multiple binding grooves penetrate through the two side surfaces of the bone patch unit. 5 . . 5 . The bone patch unit of claim 1 , wherein the plurality of binding posts are respectively formed on the two side surfaces of the plate body; the multiple binding grooves penetrate through the two side surfaces of the bone patch unit. 6 . . 6. The bone patch unit according to claim 4 or 5, wherein the plate body is formed with a plurality of screw holes through the two side surfaces, and the plurality of screw holes are along the outer ring wall surface of the plate body arrangement. 7. The bone patch unit according to claim 1 or 2 or 4 or 5, wherein the plate body is a polygon such that the outer ring wall surface has a plurality of ends, each of the coupling posts and each of the coupling grooves adjacent to one of the ends. 8. The bone patch unit according to claim 1 or 2 or 4 or 5, wherein the plate body is an N-sided shape so that the outer ring wall surface is formed with N connecting surfaces; the number and The number of the bonding grooves is N in total; wherein, N is an integer greater than 2. 9 . The bone patch unit according to claim 4 or 5 , wherein the thickness of the bone patch unit is less than 1 mm. 10 . 10 . The bone patch unit according to claim 1 , wherein the bone patch unit is made of titanium. 11 . 11 . The bone patch unit according to claim 1 , wherein the bone patch unit is made of titanium hexaaluminum tetravanadium alloy. 12 . 12 . The bone patch unit according to claim 1 , wherein the bone patch unit is made of 316L stainless steel. 13 . 13 . The bone patch unit according to claim 1 , wherein the bone patch unit is made of polyether ether ketone. 14 . 14. The bone patch unit according to any one of claims 1 to 5, wherein the bone patch unit is made of aluminum. 15. A combined bone patch is characterized in that, the combined bone patch is a plate body that can be bent, and the combined bone patch comprises a plurality of as described in any one of claims 1 to 14 The bone bone patch unit, the bone bone patch unit is connected to each other; in any two bone bone patch units that are connected to each other, at least one of these bone bone patch units of one of these bone patch units is worn through another this bone patch unit in at least one of the bonding grooves. 16. A bone patch unit, characterized in that, the bone patch unit is a plate body, and the plate body includes opposite two sides and an outer ring wall surface, and the outer ring wall surface is connected between the two sides; the A plurality of coupling columns are formed on the plate body along the outer ring wall surface. 17. A bone patch unit, characterized in that, the bone patch unit is a plate body, and the plate body includes opposite two sides and an outer ring wall surface, and the outer ring wall surface is connected between the two sides; the A plurality of coupling grooves are formed on the plate body along the wall surface of the outer ring.

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