CN111821070B - Combined bone supplementing tablet and bone supplementing tablet unit - Google Patents

Combined bone supplementing tablet and bone supplementing tablet unit Download PDF

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Publication number
CN111821070B
CN111821070B CN201910329010.2A CN201910329010A CN111821070B CN 111821070 B CN111821070 B CN 111821070B CN 201910329010 A CN201910329010 A CN 201910329010A CN 111821070 B CN111821070 B CN 111821070B
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China
Prior art keywords
bone
plate body
sheet unit
bone supplementing
supplementing
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CN201910329010.2A
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Chinese (zh)
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CN111821070A (en
Inventor
欧耿良
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Yujie Co ltd
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Yujie Co ltd
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Priority to CN201910329010.2A priority Critical patent/CN111821070B/en
Publication of CN111821070A publication Critical patent/CN111821070A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2/2875—Skull or cranium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
    • A61F2002/3042—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves with a pin cooperating with a helical groove

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 supplementing tablet and bone supplementing tablet unit
Technical Field
The invention relates to a medical implant, in particular to a combined bone supplementing sheet and a bone supplementing sheet unit which can be used for repairing skull defects.
Background
After the large-area skull of the patient is removed due to trauma or brain surgery, the defect part of the skull needs to be repaired and shaped in the subsequent treatment so as to avoid sequelae of fragile brain tissue due to lack of bone protection; in the prior art, the skull repair shaping is to cut a whole piece of metal or polymer material into a bone repair sheet with the shape matching with the defect part in a cutting shaping mode, and then fix the shaped bone repair sheet to the skull through operation.
However, since the skull is curved, a large amount of material is often cut out when the whole piece of material is used for cutting, so that the bone supplementing sheet in the prior art wastes material and also takes a large amount of time to manufacture.
Therefore, the bone supplementing tablet of the prior art needs to be improved.
Disclosure of Invention
In view of the foregoing drawbacks and disadvantages of the prior art, the present invention provides a bone supplementing tablet for saving materials and manufacturing time.
In order to achieve the above-mentioned purpose, the present invention adopts the technical means of designing a bone supplementing sheet unit, which is a plate body, wherein the plate body comprises two opposite side surfaces and an outer annular wall surface, and 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.
In order to achieve the above-mentioned object, the present invention further provides a combined bone supplementing sheet, which is a bendable plate body, the combined bone supplementing sheet comprises a plurality of bone supplementing sheet units, and 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.
The invention has the advantages that by designing the bone supplementing sheet units in the shape of a plate, each bone supplementing sheet unit is provided with a plurality of binding posts and a plurality of binding grooves along the outer annular wall surface, and the bone supplementing sheet units can be mutually connected by the binding posts and the binding grooves at the edges to form a combined bone supplementing sheet in a large block; when the bone supplementing sheet is manufactured for the damaged skull of a patient, the invention can combine and bend a plurality of small bone supplementing sheet units into a large combined bone supplementing sheet which is matched with the shape of the defect part of the skull, thereby avoiding the waste of materials caused by cutting and processing expensive medical materials and saving the manufacturing time.
In a further aspect, in the bone supplementing sheet 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 circumferential wall surface of the plate body.
In a further aspect, in the bone supplementing sheet unit of the present invention, the plate body is polygonal so that the outer wall has a plurality of ends, and each of the coupling posts and each of the coupling grooves is adjacent to one of the ends.
In a further aspect, in the bone supplementing sheet unit, the plate body is N-sided and the outer annular 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, in the bone supplementing tablet unit, the thickness of the bone supplementing tablet unit is less than 1mm.
Further, in the bone supplementing tablet unit, the material of the bone supplementing tablet unit is titanium.
Further, in the bone supplementing sheet unit, the material of the bone supplementing sheet unit is titanium hexaaluminum tetra-vanadium alloy.
Further, in the bone supplementing tablet unit, the material of the bone supplementing tablet unit is 316L stainless steel.
Further, in the bone supplementing tablet unit, the material of the bone supplementing tablet unit is polyetheretherketone.
Further, in the bone supplementing tablet unit, the material of the bone supplementing tablet unit is aluminum.
Drawings
Fig. 1 is a perspective view showing a bone supplementing tablet unit according to a first embodiment of the present invention.
Fig. 2 is a schematic side view of a first embodiment of a bone supplementing sheet unit according to the present invention.
Fig. 3 is a perspective view showing a bone supplementing tablet unit according to a second embodiment of the present invention.
Fig. 4 is a perspective view showing a third embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 5 is a perspective view showing a fourth embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 6 is a perspective view showing a fifth embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 7 is a perspective view showing a bone supplementing tablet unit according to a sixth embodiment of the present invention.
Fig. 8 is a perspective view showing a first embodiment of the combined bone supplementing sheet according to the present invention.
Fig. 9 is a perspective view showing a seventh embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 10 is another perspective view of a seventh embodiment of a bone supplementing tablet unit according to the present invention.
Fig. 11 is a perspective view showing an eighth embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 12 is another perspective view of an eighth embodiment of the bone supplementing tablet unit according to the present invention.
Fig. 13 is a perspective view showing a second embodiment of the combined bone supplementing sheet according to the present invention.
Detailed Description
The technical means adopted by the invention to achieve the preset aim are further described below by matching with the attached drawings and the preferred embodiments of the invention.
Referring to fig. 1 and 2, the bone supplementing unit of the present invention is a plate body, which includes two opposite side surfaces 10 and an outer annular wall surface 20, wherein the outer annular wall surface 20 is connected between the two side surfaces 10; the plate body is formed with a plurality of coupling posts 30 and a plurality of coupling grooves 40 along the outer circumferential wall surface 20, and the shape of the coupling posts 30 corresponds to the shape of the coupling grooves 40.
The above-mentioned plural coupling studs 30 and plural coupling grooves 40 are formed on the outer circumferential wall 20 of the plate body in the present embodiment, and therefore, the plural bone supplementing units are joined together by the coupling studs 30 and the coupling grooves 40 of the outer circumferential wall 20 to form a bone supplementing sheet assembly, and the surface of the bone supplementing sheet assembly does not have a significant height difference (as shown in fig. 8), but the positions of the plural coupling studs and the plural coupling grooves are not limited thereto, and only the plural coupling studs and the plural coupling grooves need to be formed along the outer circumferential wall of the plate body, so-called forming along the outer circumferential wall of the plate body, but only the forming along the outer circumferential wall need not be limited thereto, as long as the positions along the outer circumferential wall extend or are arranged circumferentially, that is, the plural coupling studs and the plural coupling grooves may be formed on the outer circumferential wall 20 as in the present embodiment, or the plural coupling studs 30F and the plural coupling grooves 40F may be formed along the side surface of the plate body adjacent to the edge of the outer circumferential wall 20 as in the seventh embodiment (as shown in fig. 9).
In the embodiment, when the plate body is N-sided (N is an integer greater than 2), the outer annular wall surface is formed with N connection surfaces; the number of the binding columns is N, and the binding columns are respectively formed on N connecting surfaces; the number of the combination grooves is N, and the combination grooves are respectively formed on N connection surfaces, so that when the plate body is in a polygonal shape, each connection surface of the polygonal shape is provided with a combination column and a combination groove; specifically, N in the present embodiment is equal to six, that is, the plate body of the present embodiment is a regular hexagon and the outer annular wall surface 20 is formed with six connection surfaces 21; the number of the coupling posts 30 is six, which are formed on the six connection surfaces 21, respectively; the number of the coupling grooves 40 is six, which are formed on the six connection surfaces 21, but the number of the coupling posts and the coupling grooves on each connection surface of the polygonal plate body is not limited thereto, for example, in the second embodiment of the present invention (as shown in fig. 3), a portion of the connection surfaces 21A may have two coupling posts 30A but no coupling grooves, and a portion of the connection surfaces 21A may have two coupling grooves 40A but no coupling posts.
The shape of the coupling post 30 is cylindrical in the present embodiment, and the shape of the coupling groove 40 corresponds to the circular groove, but the shape of the coupling post may also be a quadrangular prism-shaped coupling post 30B (fig. 5), a triangular prism-shaped coupling post 30C (fig. 6), a pentagonal prism-shaped coupling post 30D (fig. 7), or other various shaped posts, and the coupling groove may also correspond to various grooves formed into a square shape by the coupling post 40B (fig. 5), a triangular coupling groove 40C (fig. 6), or a pentagonal coupling groove 40D (fig. 7), or other various shaped grooves.
In other preferred embodiments, a circular bonding bead 50E is connected to the top end of the bonding post 30E (as shown in fig. 4), the width of the bonding bead 50E is larger than that of the bonding post 30E, a circular bonding bead groove 60E is formed at the bottom of the groove of the bonding groove 40E, and the width of the bonding bead groove 60E corresponds to that of the bonding bead 50E, so that when different bone supplementing sheet units are connected, the bonding bead 50E can be pressed against the bonding groove 40E and the bonding groove 40E can be elastically deformed and expanded by pressing, and the bonding bead 50E penetrates through the bonding groove 40E and is clamped in the bonding bead groove 60E, so that the bonding force is enhanced to avoid easy detachment of the bone supplementing sheet units after bonding.
Referring to fig. 8, the combined bone supplementing sheet of the present invention is a bendable plate, and includes a plurality of bone supplementing sheet units 70, wherein the plurality of bone supplementing sheet units 70 are connected to each other; in any two interconnected bone supplementing sheet units 70, at least one binding post of one bone supplementing sheet unit 70 is penetrated into at least one binding groove of the other bone supplementing sheet unit; in the present embodiment, the bone supplementing sheet unit is a combined bone supplementing unit formed by connecting the connecting posts located on the outer circumferential wall surface of the plate body and the connecting grooves, and specifically, the combined bone supplementing sheet unit is formed by connecting the bone supplementing sheet units 70 of the first embodiment of the plurality of bone supplementing sheet units, but not limited thereto, the combined bone supplementing sheet may also be formed by connecting the bone supplementing units of the other embodiments.
Referring to fig. 9 and 10, a seventh embodiment of the bone supplementing tablet unit according to the present invention is substantially the same as the first embodiment, except for the forming positions of the plurality of coupling posts and the plurality of coupling grooves.
A plurality of coupling posts 30F formed on one side 10F of the plate body of the bone supplementing sheet unit; the plurality of combining grooves 40F penetrate through two side surfaces of the bone supplementing sheet unit; in the present embodiment, the plate body is formed with a plurality of screw holes 11F penetrating through the two side surfaces 10F, and the plurality of screw holes 11F are arranged along the outer annular wall surface 20F of the plate body, but the position of the screw holes 11F penetrating through the two side surfaces 10F of the plate body is not limited to this, and even the plate body may have no screw holes.
In the present embodiment, the plate body is polygonal, such that the outer annular wall 20F has a plurality of end portions 22F, each of the coupling posts 30F and each of the coupling grooves 40F is adjacent to one of the end portions 22F, specifically, the plate body is hexagonal, the end portions 22F are located at each turn of the outer annular wall 20F, and the positions of the coupling posts 30F and the coupling grooves 40F are adjacent to the turn, but the positions of the coupling posts and the coupling grooves are not limited thereto, and may be disposed at the center adjacent to the adjacent end portions 22F.
In the present embodiment, the plate body has an N-sided shape (N is an integer greater than 2) such that the outer annular wall surface 20F is formed with N connection surfaces; the number of the coupling posts 30F and the number of the coupling grooves 40F are N, specifically, N is equal to six, and the plate body is hexagonal so that six connection surfaces 21F are formed on the outer circumferential wall surface 20F; the number of the coupling posts 30F and the number of the coupling grooves 40F are six, and three coupling posts 30F and three coupling grooves 40F are provided, respectively, so that each connection surface 21F of the polygonal plate body can be firmly connected with the connected plate body, but the total number of the coupling posts and the number of the coupling grooves is not limited thereto, and for example, twelve coupling posts and coupling grooves may be provided in the hexagonal plate body.
Referring to fig. 11 and 12, an eighth embodiment of the bone supplementing tablet unit according to the present invention is substantially the same as the seventh embodiment described above, except that a plurality of coupling posts 30G are formed on both sides 10G of the plate body respectively; therefore, the plurality of bonding posts of the plate body may be formed on only one side of the plate body, or symmetrically formed on both sides of the plate body (i.e. they are all formed to penetrate the plate body vertically), or asymmetrically formed on both sides of the plate body (i.e. they are all formed to penetrate the plate body vertically, part of the bonding posts are formed on one side of the plate body, and part of the bonding posts are formed on the other side of the plate body).
In the seventh and eighth embodiments of the bone supplementing sheet unit, the distance between two side surfaces of the plate body is defined as the plate body thickness, and the plate body thickness is less than 1mm, but the plate body thickness of the bone supplementing sheet unit is not limited to this, and only when the binding post and the binding groove of the bone supplementing sheet unit are formed on the side surface of the plate body, the plate body thickness is appropriate and can be bent and deformed according to the operation requirement.
In all the foregoing embodiments of the bone supplementing tablet unit, the plate body material may be any of titanium, titanium hexaaluminum tetra-vanadium alloy (Ti-6 Al-4V), polyether ether ketone (PEEK), 316L stainless steel, and the like, which have excellent biocompatibility and mechanical strength, or the bone supplementing tablet unit may be aluminum which is relatively light in weight and inexpensive.
Referring to fig. 13, a second embodiment of the combined bone-supplementing sheet according to the present invention is similar to the first embodiment, except that the plurality of coupling posts and the plurality of coupling grooves of the bone-supplementing sheet unit used in the present embodiment are formed on the side surfaces of each plate body, and therefore the bone-supplementing sheet units are connected in such a manner that the edges thereof overlap one another; the bone supplementing sheet unit 71 corresponds to the eighth embodiment of the bone supplementing sheet unit of the present invention (see fig. 11), the bone supplementing sheet unit 72 corresponds to the seventh embodiment of the bone supplementing sheet unit of the present invention (see fig. 9), and the bone supplementing sheet unit 73 is substantially the same as the seventh embodiment of the bone supplementing sheet unit of the present invention, but one of the coupling posts 74 has a higher height than the other coupling posts so as to facilitate connection of the bone supplementing sheet unit 72.
When the bone supplementing slice is used, the bone supplementing slice units of the small blocks are connected with each other and bent to form a large combined bone supplementing slice with a shape corresponding to the defect part of the skull; when the combined bone supplementing sheet belongs to the aspect shown in the second embodiment (as shown in fig. 13) of the combined bone supplementing sheet of the invention, the edge of the combined bone supplementing sheet can be overlapped on the surface of the skull, and the bone supplementing sheet is fixed on the skull in a mode that a bolt penetrates through a screw hole of the bone supplementing sheet unit and is screwed on the skull; when the form of the combined bone-supplementing sheet belongs to the aspect shown in the first embodiment (fig. 8) of the combined bone-supplementing sheet, the edge of the combined bone-supplementing sheet is trimmed according to the requirement, and then the combined bone-supplementing sheet is embedded into the defect part of the skull and is fixed to the skull in other ways.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those obvious to those skilled in the art, without departing from the spirit and scope 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.
CN201910329010.2A 2019-04-23 2019-04-23 Combined bone supplementing tablet and bone supplementing tablet unit Active CN111821070B (en)

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CN114587714B (en) * 2022-05-06 2022-08-12 北京爱康宜诚医疗器材有限公司 Patch block assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017153560A1 (en) * 2016-03-11 2017-09-14 Universität Basel Vizerektorat Forschung Method for providing sub-elements of a multipart implant or a multipart osteosynthesis
CN210114540U (en) * 2019-04-23 2020-02-28 欧耿良 Combined type bone-tonifying tablet and bone-tonifying tablet unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080097445A1 (en) * 2006-10-23 2008-04-24 Weinstein Robert B Bone fixation system
JPWO2011010463A1 (en) * 2009-07-22 2012-12-27 株式会社ネクスト２１ Artificial bone constituent unit and artificial bone constituent system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017153560A1 (en) * 2016-03-11 2017-09-14 Universität Basel Vizerektorat Forschung Method for providing sub-elements of a multipart implant or a multipart osteosynthesis
CN210114540U (en) * 2019-04-23 2020-02-28 欧耿良 Combined type bone-tonifying tablet and bone-tonifying tablet unit

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