CN216603168U - Titanium net support nail used in GBR technology - Google Patents
Titanium net support nail used in GBR technology Download PDFInfo
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- CN216603168U CN216603168U CN202220198003.0U CN202220198003U CN216603168U CN 216603168 U CN216603168 U CN 216603168U CN 202220198003 U CN202220198003 U CN 202220198003U CN 216603168 U CN216603168 U CN 216603168U
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- titanium mesh
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Abstract
The utility model discloses a titanium mesh supporting nail used in GBR technology, belonging to the technical field of medical instruments, comprising a threaded part and an external extending plate, wherein the upper end of the threaded part is provided with a cylindrical part which is of a hollow structure, the upper section of the hollow structure of the cylindrical part is an inner hexagonal part, the lower section of the hollow structure of the cylindrical part is a threaded hole, the upper end of the cylindrical part is provided with the external extending plate horizontally extending rightwards, the external extending plate is provided with a long groove horizontally arranged along the left-right direction, the thread on the threaded part is self-tapping thread, the lower end of the threaded part is provided with a conical end, the upper cylindrical part of the titanium mesh supporting nail adopts a structure of an upper inner hexagonal and a lower threaded hole, after the titanium mesh supporting nail is screwed by an inner hexagonal wrench or a screw driver, a titanium mesh is fixed on the titanium mesh supporting nail by screwing a fixing screw through the threaded hole, the titanium mesh supporting nail adopts a structure of a fixing screw and an anti-turning screw, when the titanium net is fixed or detached, the titanium net supporting nail is prevented from rotating or the titanium net is prevented from rotating.
Description
Technical Field
The utility model relates to a titanium mesh support nail used in GBR technology, belonging to the technical field of medical instruments.
Background
After the teeth in the oral cavity are lost, the implant denture is one of the most effective ways for realizing the restoration of the teeth in the oral cavity and improving the chewing function at present, after the teeth are lost, alveolar bones can be subjected to atrophy absorption, the firmness of the implant denture is poor, the success rate can be seriously influenced, the bone regeneration technology is generally required to be guided through the bone regeneration guiding technology, namely, the GBR (guaranteed bone regeneration) technology is used for carrying out osteogenesis reconstruction on the defective parts of the alveolar bones, a titanium net needs to be covered on an area with a large defect area and is used for supporting and fixing a biological membrane, the titanium net is generally bent into a U-shaped structure, the thickness of the titanium net is about 0.4mm, although the titanium net is fixed through fixing nails at the edge of the titanium net, only when a patient is in the osteogenesis period, the position of the titanium net is influenced by external force or the position change of the titanium net in the chewing process of the patient, so that the operation fails, therefore, the titanium mesh needs to be reinforced, the conventional titanium mesh fixing adopts an edge fixing mode, and the titanium mesh is thin, so that the fixing effect is not ideal.
Disclosure of Invention
The utility model aims to: provides a titanium mesh supporting nail of which the upper cylinder is provided with an inner hexagonal and a threaded hollow structure to realize the fixation of a bulge of a titanium mesh after the titanium mesh supporting nail is screwed down, the titanium mesh supporting nail is provided with an outward extending plate extending towards the right side to increase the connecting length of the titanium mesh and the titanium mesh supporting nail and improve the stability of the fixed titanium mesh, the outward extending plate is provided with a long groove, the length of the long groove realizes that no matter at any position where the titanium mesh is jointed, the center of at least one titanium mesh hole is positioned in the long groove, the self-tapping screw thread of the anti-rotation screw is screwed into the long groove to fix the titanium net at any position of the long groove, and when the titanium net is fixed or disassembled by adopting one fixing screw and one anti-rotation screw, through titanium net and set screw and the mutual approximation of preventing changeing the screw, prevent that titanium net from supporting the nail and rotating or titanium net rotates, the up end of titanium net support nail is provided with the trapezoidal arch of a plurality of equipartition, prevents that titanium net from shifting towards buccal side or lingual side.
The technical scheme of the utility model is realized as follows: the titanium mesh supporting nail used in the GBR technology comprises a threaded portion 1, a cylindrical portion 2 and an extension plate 3, wherein the cylindrical portion 2 is arranged at the upper end of the threaded portion 1, the cylindrical portion 2 is of a hollow structure, the upper section of the hollow structure of the cylindrical portion 2 is an inner hexagonal portion 201, the lower section of the hollow structure of the cylindrical portion 2 is a threaded hole 202, the extension plate 3 extending horizontally to the right is arranged at the upper end of the cylindrical portion 2, an elongated slot 301 horizontally arranged along the left-right direction is formed in the extension plate 3, threads on the threaded portion 1 are self-tapping threads, and a conical end 4 is arranged at the lower end of the threaded portion 1.
Preferably, the upper end face of the titanium mesh support nail is provided with a plurality of uniformly distributed trapezoidal protrusions 8, the width of the lower end of each trapezoidal protrusion 8 is 0.5mm, the width of the upper end of each trapezoidal protrusion is 0.1mm, and the trapezoidal protrusions 8 are arranged in a direction parallel to the overhanging plate 3 and used for increasing the friction force between the titanium mesh and the upper end face of the titanium mesh support nail.
Preferably, the left end and the right end of the long groove 301 are both in a semi-circular arc shape, and the center distance between the semi-circular arcs at the left end and the right end of the long groove 301 is greater than or equal to the center distance between two adjacent titanium mesh holes.
Preferably, the titanium mesh support nail used in the GBR technology further includes a fixing screw 6 and an anti-rotation screw 7, the fixing screw 6 is screwed in the threaded hole 202, the width of the elongated slot 301 is smaller than the nominal diameter of the anti-rotation screw 7, the anti-rotation screw 7 is a self-tapping screw, and the anti-rotation screw 7 is screwed in the elongated slot 301.
Preferably, the nominal diameter of the anti-rotation screw 7 is smaller than the nominal diameter of the fixing screw 6.
Preferably, the distance from the upper end of the column part 2 of the titanium mesh support nail to the lower end of the conical end 4 is 8-16 mm.
Preferably, the cylindrical portion 2, the threaded portion 1 and the tapered end 4 are coaxially arranged.
Preferably, the right end of the overhanging plate 3 is in a semi-circular arc shape.
Compared with the prior art, the utility model has the following advantages:
1. the middle position of the convex part of the titanium mesh is directly fixed by the titanium mesh supporting nail and is fixed by two screws, so that the stability of the titanium mesh is improved to a great extent;
2. the upper cylindrical part of the titanium mesh supporting nail adopts a structure with an upper-section inner hexagonal hole and a lower-section threaded hole, so that the titanium mesh is fixed on the titanium mesh supporting nail through the threaded hole screwing fixing screw after the titanium mesh supporting nail is screwed by an inner hexagonal wrench or a screwdriver, and the structure is exquisite;
3. the upper end of the titanium mesh supporting nail is provided with an outward extending plate, so that the supporting area of the titanium mesh is increased;
4. the outer extending plate of the titanium mesh supporting nail is provided with an elongated slot, the length of the elongated slot is greater than or equal to the center distance between two adjacent titanium meshes, the center of one titanium mesh is positioned in the elongated slot, the titanium mesh can be conveniently expanded, the diameter of a self-tapping thread of an anti-rotation screw is smaller than the width of the elongated slot, the anti-rotation screw is screwed into the elongated slot at any position to fix the titanium mesh, the elongated slot simultaneously improves blood flow, and the osteogenesis effect is improved;
5. the upper end surface of the titanium mesh support nail is provided with a plurality of uniformly distributed trapezoidal bulges, and the trapezoidal bulges are arranged along the direction parallel to the extending plate and used for increasing the friction force between the titanium mesh and the upper end surface of the titanium mesh support nail and preventing the titanium mesh from shifting towards the buccal side or the lingual side after the titanium mesh of a patient is fixed;
6. the titanium net supporting nail adopts a structure of a fixing screw and an anti-rotation screw, so that when the titanium net is fixed, the titanium net supporting nail is prevented from rotating, the fixing height of the titanium net and the stability of the titanium net supporting nail are influenced, when the titanium net is disassembled, the titanium net supporting nail is prevented from rotating, and the titanium net is extruded into a bone along with the rotation or the fixing screw is not easy to disassemble;
7. the titanium net support nail used in the GBR technology can be used for supporting the titanium net and can also be used as a tent nail for directly supporting a biological membrane when the titanium net is not used.
Drawings
Fig. 1 is a schematic view of the general structure of a titanium mesh support pin used in the GBR technique.
Fig. 2 is a front and top view of a titanium mesh support peg used in the GBR technique.
FIG. 3 is a schematic view of the structure of a titanium mesh support nail used in GBR technology.
FIG. 4 is a schematic structural diagram II of a titanium mesh support nail used in GBR technology.
Fig. 5 is a schematic structural view of a titanium mesh support nail used in the GBR technique, in which a trapezoidal protrusion is provided on the upper end surface.
Description of reference numerals: 1-a threaded part, 2-a cylindrical part, 3-an overhanging plate, 4-a conical end, 5-a titanium mesh, 6-a fixing screw, 7-an anti-rotation screw, 8-a trapezoidal bulge, 201-an internal hexagonal part, 202-a threaded hole and 301-an elongated slot.
Detailed Description
Referring to fig. 1-5, the titanium mesh supporting nail used in GBR technology of the present invention comprises a threaded portion 1, a cylindrical portion 2, an extension plate 3, a fixing screw 6, and an anti-rotation screw 7, wherein the upper, lower, left, and right directions of the present application are defined by the upper, lower, and left directions of the front view of fig. 2, respectively, so as to describe the present application, the upper end of the threaded portion 1 is provided with the cylindrical portion 2, the cylindrical portion 2 is a hollow structure, the upper section of the hollow structure of the cylindrical portion 2 is an inner hexagonal portion 201, the lower section of the hollow structure of the cylindrical portion 2 is a threaded hole 202, a nominal diameter of the threaded hole 202 is smaller than an inner diameter of the inner hexagonal portion 201, the threaded hole 202 is screwed with the fixing screw 6, a head diameter or a contour edge of the fixing screw 6 is larger than an outer diameter of the inner hexagonal portion 201, the upper end of the cylindrical portion 2 is provided with the extension plate 3 extending horizontally to the right, and a right end of the plate 3 is a semi-circular arc shape, the outer extending plate 3 is provided with a long groove 301 horizontally arranged along the left-right direction, the left end part and the right end part of the long groove 301 are both in a semi-circular arc shape, the center distance of the semi-circular arcs at the left end and the right end of the long groove 301 is larger than or equal to the center distance of two adjacent titanium mesh holes, namely the length of the long groove 301 is larger than or equal to the center distance of the two adjacent titanium mesh holes, the width of the long groove 301 is smaller than the nominal diameter of the anti-rotation screw 7, the anti-rotation screw 7 is a self-tapping screw, when the anti-rotation screw 7 is screwed in the long groove 301, and the thread on the thread part 1 is a self-tapping thread.
The lower end of the threaded part 1 is provided with a conical end 4, and the cylindrical part 2, the threaded part 1 and the conical end 4 are coaxially arranged.
The up end of titanium net support nail be provided with the trapezoidal arch 8 of a plurality of equipartition, trapezoidal arch 8 lower extreme is wide 0.5mm, the wide 0.1mm of upper end, trapezoidal arch 8 sets up along the direction that is on a parallel with overhanging plate 3 for increase the frictional force of the up end of titanium net and titanium net support nail, prevent that the patient titanium net from fixing the postoperative, the titanium net shifts towards buccal side or lingual side.
The length of the titanium mesh supporting nail, namely the distance from the upper end of the cylindrical part 2 to the lower end of the conical end 4 is 8-16mm, such as 10mm and 14 mm.
When supporting the alveolar bone defect, a doctor selects and shapes the titanium mesh 5 according to the situation of the alveolar bone defect, then selects a titanium mesh support nail with a proper length, so that the middle position from the left end of the cylindrical part 2 of the titanium mesh support nail to the right end of the overhanging plate 3 is overlapped with the central position of the titanium mesh as much as possible, thereby improving the reliability of the support and fixation of the titanium mesh, inserts a hexagonal wrench or a screwdriver into the inner hexagonal part 201, rotates the titanium mesh support nail, implants the titanium mesh support nail into the alveolar bone, adjusts the implantation depth of the support nail according to the height of the titanium mesh, attaches the convex bulge part of the titanium mesh to the side of the titanium mesh support nail, the cylindrical part 2 and the end surface of the overhanging plate 3, makes the U-shaped length direction of the titanium mesh consistent with the direction of the overhanging plate 3, marks the position of the inner hexagonal part 201 of the cylindrical part 2 on the titanium mesh and marks a titanium mesh hole attached to the elongated slot 301 as shown in the figure 3-4, because the length of the long groove 301 is larger than or equal to the center distance between two adjacent titanium mesh holes, the center of one titanium mesh hole is inevitably positioned in the long groove 301, the titanium mesh is taken down, two positions marked on the titanium mesh are reamed for fixing the screw 6 and the anti-rotation screw 7 to penetrate through the titanium mesh, the reaming diameter of the joint position with the inner hexagonal part 201 is larger than the circumscribed circle of the inner hexagonal part 201 and is smaller than the head diameter of the fixing screw 6, namely the diameter of the upper end part, the reaming diameter of the joint position with the long groove 301 is larger than the width of the long groove 301 and is smaller than the head diameter of the anti-rotation screw 7, namely the diameter of the upper end part, the titanium mesh is jointed on the end part of the cylindrical part 2 and the outward extending plate 3, the anti-rotation screw 7 is screwed, the tapping thread of the anti-rotation screw 7 is screwed into the long groove 301, the long groove 301 is deformed outwards to clamp the anti-rotation screw 7, the fixing screw 6 is screwed, and the anti-rotation screw 7 is not rotated when the fixing screw 6 is screwed, the supporting height of the titanium mesh is influenced, the titanium mesh is simultaneously supported by the cylindrical part 2 and the outward extending plate 3, and is simultaneously fixed by the fixing screw 6 and the anti-rotating screw 7, so that the stability of the titanium mesh is improved, and then the corners of the titanium mesh are fixed to the jaw bone by fixing nails according to a daily titanium mesh fixing method.
After the alveolar bone defect part of the patient reaches the repair time, when the titanium mesh needs to be detached, the fixing screws 6 are unscrewed, the support screws cannot rotate due to the limitation of the anti-rotation screws 7, then the anti-rotation screws 7 are unscrewed, the fixing screws at the corners are unscrewed, and the titanium mesh is taken down.
Claims (8)
1. The utility model provides a titanium net supporting pin that uses in GBR technique, includes screw thread portion (1), cylindric portion (2), outrigger (3), its characterized in that: the upper end of the threaded portion (1) is provided with a cylindrical portion (2), the cylindrical portion (2) is of a hollow structure, the upper section of the hollow structure of the cylindrical portion (2) is an inner hexagonal portion (201), the lower section of the hollow structure of the cylindrical portion (2) is a threaded hole (202), an outer extending plate (3) extending horizontally to the right is arranged at the upper end of the cylindrical portion (2), an elongated slot (301) horizontally arranged along the left-right direction is formed in the outer extending plate (3), threads on the threaded portion (1) are self-tapping threads, and a conical end (4) is arranged at the lower end of the threaded portion (1).
2. The titanium mesh support peg for use in GBR technology of claim 1, wherein: the upper end face of the titanium net supporting nail is provided with a plurality of uniformly distributed trapezoidal protrusions (8), the width of the lower ends of the trapezoidal protrusions (8) is 0.5mm, the width of the upper end of the trapezoidal protrusions (8) is 0.1mm, and the trapezoidal protrusions (8) are arranged along the direction parallel to the extending plate (3) and used for increasing the friction force of the upper end faces of the titanium net and the titanium net supporting nail.
3. The titanium mesh support peg for use in GBR technology of claim 1, wherein: the left end and the right end of the long groove (301) are both in a semi-circular arc shape, and the center distance of the semi-circular arcs at the left end and the right end of the long groove (301) is larger than or equal to the center distance of two adjacent titanium mesh holes.
4. The titanium mesh support peg for use in GBR technology of claim 1, wherein: the anti-rotation screw is characterized by further comprising a fixing screw (6) and an anti-rotation screw (7), wherein the fixing screw (6) is screwed in the threaded hole (202), the width of the long groove (301) is smaller than the nominal diameter of the anti-rotation screw (7), the anti-rotation screw (7) is a self-tapping screw, and the anti-rotation screw (7) is screwed in the long groove (301).
5. The titanium mesh support peg for use in GBR technology of claim 4, wherein: the nominal diameter of the anti-rotation screw (7) is smaller than that of the fixing screw (6).
6. The titanium mesh support peg for use in GBR technology according to any one of claims 1-5, wherein: the distance from the upper end of the column part (2) of the titanium mesh supporting nail to the lower end of the cone end (4) is 8-16 mm.
7. The titanium mesh support peg for use in GBR technology according to any one of claims 1-5, wherein: the cylindrical part (2), the threaded part (1) and the conical end (4) are coaxially arranged.
8. The titanium mesh support peg for use in GBR technology according to any one of claims 1-5, wherein: the right end of the overhanging plate (3) is in a semi-circular arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198003.0U CN216603168U (en) | 2022-01-25 | 2022-01-25 | Titanium net support nail used in GBR technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198003.0U CN216603168U (en) | 2022-01-25 | 2022-01-25 | Titanium net support nail used in GBR technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216603168U true CN216603168U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220198003.0U Active CN216603168U (en) | 2022-01-25 | 2022-01-25 | Titanium net support nail used in GBR technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216603168U (en) |
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2022
- 2022-01-25 CN CN202220198003.0U patent/CN216603168U/en active Active
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