CN215130525U - Bone repair structure for alveolar bone vertical bone increment - Google Patents
Bone repair structure for alveolar bone vertical bone increment Download PDFInfo
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- CN215130525U CN215130525U CN202120591064.9U CN202120591064U CN215130525U CN 215130525 U CN215130525 U CN 215130525U CN 202120591064 U CN202120591064 U CN 202120591064U CN 215130525 U CN215130525 U CN 215130525U
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Abstract
The utility model relates to the technical field of medical supplies, especially, relate to a bone repair structure that is used for alveolar bone vertical bone increment. The bone repairing structure comprises a bone powder area matched with the shape of the bone defect area and a bone block matched with the shape of the top surface of the bone defect area, wherein the upper surface of the bone powder area is attached to the bone block; the bone repairing structure also comprises a retention nail, wherein the retention nail comprises a nail body, and the nail body of the retention nail penetrates through the bone block and the bone powder area to form a repairing area; the top surface, the front surface and the back surface of the repair area are coated with biological film layers; the bone repair structure further comprises a fitting nail for retaining the biomembrane layer; the retention nail is detachably connected with the matching nail. Use the utility model discloses a structure is repaired to bone can effectively increase alveolar bone and perpendicularly to bone volume, can create good condition for tooth planting.
Description
Technical Field
The utility model relates to the technical field of medical supplies, especially, relate to a bone repair structure that is used for alveolar bone vertical bone increment.
Background
The lack of dentition defects can seriously affect the oral function and the facial beauty of patients and reduce the life quality of the patients. At present, dental implantation becomes the first choice method for repairing the lost tooth, and the alveolar bone mass plays an important role in the long-term prognosis effect of the implant. Alveolar bone mass defects can be caused by trauma, periodontal disease, tumors and other conditions, and can be divided into horizontal bone defects, vertical bone defects and mixed bone defects. When the horizontal alveolar bone mass is insufficient, the ideal bone grafting effect can be obtained by adopting the GBR, massive bone grafting and other operation types, but the shortage of the vertical alveolar bone mass is still a great challenge in clinic.
The current clinical methods for increasing the vertical bone of alveolar bone comprise GBR, onlay bone grafting, distraction osteogenesis and the like. However, if the defect of vertical bone mass is serious, the ideal effect is difficult to achieve by a single GBR operation; after the Onlay bone grafting, a large amount of bone absorption may exist; distraction osteogenesis takes a long time, and the comfort is poor because related equipment needs to be placed in the mouth of a patient. In view of the above, there is a need for a bone repair structure that effectively increases the amount of alveolar bone perpendicular to the femoral component.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, it is an object of the present invention to provide a bone repair structure for alveolar bone vertical bone augmentation, which solves the problems of the prior art.
In order to achieve the above objects and other related objects, the present invention provides a bone repair structure for alveolar bone vertical bone augmentation, comprising a bone powder region having a shape matching a bone defect region and a bone block having a shape matching a top surface of the bone defect region, wherein the upper surface of the bone powder region is attached to the bone block; the bone repairing structure also comprises a retention nail, wherein the retention nail comprises a nail body, and the nail body of the retention nail penetrates through the bone block and the bone powder area to form a repairing area; the top surface, the front surface and the back surface of the repair area are coated with biological film layers; the bone repair structure further comprises a fitting nail for retaining the biofilm layer; the retention nail is detachably connected with the matching nail.
In some embodiments of the present invention, the biofilm layer includes an alveolar bone lingual-side bonding region, a repair region top surface bonding region, and an alveolar bone labial-side bonding region.
In some embodiments of the present invention, the lower surface of the cement region comprises an alveolar bone defect region bottom surface fitting curved surface that matches in shape the alveolar bone defect region bottom surface; the lateral surface of the bone powder area comprises an alveolar bone defect area near-middle joint curved surface matched with the near-middle inner surface of the alveolar bone defect area in shape and an alveolar bone defect area far-middle joint curved surface matched with the far-middle inner surface of the alveolar bone defect area in shape.
In some embodiments of the present invention, the anterior surface of the repair region is adjacent to the alveolar bone labial attachment region; the back surface of the repair area is attached to the alveolar bone and tongue side attachment area.
In some embodiments of the present invention, the retention pin further comprises an umbrella-shaped connection portion connected to the pin body; one end of the umbrella-shaped connecting part, which is far away from the nail body, is provided with an accommodating groove; the fitting nail comprises a cap body part and a fixing piece which are connected; the retention piece is matched with the accommodating groove.
In some embodiments of the present invention, the diameter of the umbrella-shaped connecting portion gradually increases from the end away from the nail body to the end close to the nail body.
In some embodiments of the present invention, the cap body portion is provided with a slot.
In some embodiments of the present invention, the volume of the bone meal area is 5-15 cm3。
In some embodiments of the present invention, the bone powder area is filled with bone powder, and the particle size of the bone powder is 0.2-0.5 mm.
In some embodiments of the present invention, the material of the biofilm layer is an absorbable collagen membrane; the thickness of the biological film layer is 0.5-1 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
use the utility model discloses a structure is repaired to bone can effectively increase alveolar bone and perpendicularly to bone volume, can create good condition for tooth planting.
Drawings
Fig. 1 is a front view structural diagram of the bone repair structure for alveolar bone vertical bone augmentation according to the present invention.
Fig. 2 is a schematic cross-sectional view of the inventive bone repair structure for alveolar bone vertical bone augmentation.
Fig. 3 is a schematic sectional view of the repair area of the present invention.
Fig. 4 is a schematic view of the retention pin and the complementary pin of the present invention.
FIG. 5 is a top view of the retention pin receiving slot of the present invention.
Fig. 6 is a schematic top view of the middle stud slot of the present invention.
The utility model discloses the component label in the figure:
1 bone meal area
11 alveolar bone defect area bottom surface laminating curved surface
12 alveolar bone defect near-middle fit curved surface
13 far and middle joint curved surface of alveolar bone defect area
2 pieces of bone
3 retention nail
31 nail body
311 first screw part
312 second screw part
313 smooth transition
32 umbrella-shaped connecting part
321 accommodating part
4 biofilm layer
41 alveolar bone lingual fitting area
42 repair area top surface attaching area
5 fitting nail
51 cap part
511 groove
52 Retention member
Detailed Description
In the description of the present invention, it should be noted that the devices, ratios, sizes, etc. shown in the attached drawings of the present specification are only used for matching the contents disclosed in the specification, so as to be known and read by the people familiar with the art, and are not used for limiting the practical limit conditions of the present invention, so that the present invention does not have the substantial technical significance, and the modification of any device, the change of the ratio relationship or the adjustment of the size should still fall within the range that the technical contents disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 6, an embodiment of the present invention provides a bone repair structure for alveolar bone vertical bone increment, including a bone powder region 1 matching with the shape of a bone defect region and a bone block 2 matching with the shape of a top surface of the bone defect region, wherein the bone block 2 is attached to the upper surface of the bone powder region 1; the bone repairing structure further comprises a retention nail 3, wherein the retention nail 3 comprises a nail body 31, and the nail body 31 of the retention nail 3 penetrates the bone block 2 and the bone powder region 1 to form a repairing region (shown in figure 3); the top surface, the front surface and the back surface of the repair area are coated with biological film layers 4; the bone repair structure further comprises a fitting nail 5 for retaining the biofilm layer 4; the retention nail 3 is detachably connected with the matching nail 5. After the utility model is applied to the alveolar bone vertical bone increment operation, the retention pin 3 can stably fix the bone block 2 and reduce the risk of absorption or infection of the free bone block 2; the bone powder area 1 top has the support of bone piece 2, can prevent that the bone powder from collapsing, forms stable osteogenic space, effectively increases alveolar bone vertical bone height.
The embodiment of the utility model provides an among the bone repair structure for alveolar bone vertical bone increment that provides, as shown in fig. 1, biofilm layer 4 includes alveolar bone tongue side laminating district, repair district top surface laminating district 41 and alveolar bone lip side laminating district 42, and alveolar bone tongue side laminating district and alveolar bone lip side laminating district 42 set up relatively. Wherein, the alveolar bone tongue side joint area, the repair area top surface joint area 41 and the alveolar bone lip side joint area 42 conform to the conventional human body physiological structure. The alveolar bone lingual side fitting region is an outwardly convex arc surface which is substantially fitted to a portion of the alveolar bone lingual side inner surface to be contacted in shape. The top surface attaching area 41 of the repairing area is a curved surface with a plane edge and a convex middle part, and is basically attached to the outer surface of the bone block 2 and the part of the umbrella-shaped connecting part 32 exposed after the fixture pin 3 is driven into the bone block 2. Alveolar labial abutment 42 is a convex curved surface which is shaped to substantially abut the portion of the alveolar labial inner surface intended to be in contact therewith.
In the bone repair structure for alveolar bone vertical bone increment provided by the embodiment of the present invention, as shown in fig. 2, the upper surface of the bone cement region 1 is attached to a bone block 2, and the lower surface of the bone cement region 1 includes an alveolar bone defect region bottom surface attachment curved surface 11 matched in shape with the alveolar bone defect region bottom surface; the lateral surface of the bone powder area 1 comprises an alveolar bone defect area near-middle joint curved surface 12 matched with the alveolar bone defect area near-middle inner surface in shape and an alveolar bone defect area far-middle joint curved surface 13 matched with the alveolar bone defect area far-middle inner surface in shape. The upper surface, the alveolar bone defect area bottom surface joint curved surface 11, the alveolar bone defect area near-middle joint curved surface 12 and the alveolar bone defect area far-middle joint curved surface 13 surround to form the bone powder area 1.
Wherein, the upper surface of the bone powder area 1, the bottom surface of the alveolar bone defect area are jointed with the curved surface 11, the near-middle jointing curved surface 12 and the far-middle jointing curved surface 13 of the alveolar bone defect area accord with the conventional human physiological structure. As shown in fig. 2, the upper surface of the bone fragment area 1 is conformed to the contour of the bone block 2 and is attached to the bone block 2. When the alveolar bone defect area bottom surface matching curved surface 11 is used, the alveolar bone defect area bottom surface is matched with the alveolar bone defect area bottom surface in shape, and the concrete meaning is that: the contour of the portion of the alveolar bone defect area bottom surface fitting curved surface 11, which is about to contact with the alveolar bone defect area bottom surface, is basically consistent. In general, the bottom surface of the alveolar bone defect region has a slightly outwardly convex curved surface 11 to substantially conform to the bottom surface of the alveolar bone. When the alveolar bone defect area mesial fit curved surface 12 is fit with the mesial inner surface of the alveolar bone defect area, and the shape of the alveolar bone defect area mesial inner surface is matched with the shape specifically as follows: the contour of the near-middle fit curved surface 12 of the alveolar bone defect area is basically consistent with the contour of a part which is in near-middle contact with the alveolar bone defect area. Generally, the mesial curved surface 12 of the alveolar bone defect is a slightly outwardly convex surface that substantially conforms to the mesial inner surface of the alveolar bone defect. When the alveolar bone defect area far-middle joint curved surface 13 is jointed with the near-middle inner surface of the alveolar bone defect area, the shape of the alveolar bone defect area far-middle joint curved surface is matched with the far-middle inner surface of the alveolar bone defect area, and the specific meaning is as follows: the far fit curved surface 13 of the alveolar bone defect region is basically consistent with the contour of the part which is supposed to be contacted with the far middle of the alveolar bone defect region. Generally, the distal fit curved surface 13 of the alveolar bone defect region is a slightly outwardly convex curved surface which can substantially fit the inner and distal surfaces of the alveolar bone defect region.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, as shown in fig. 2, repair the top surface laminating district 41 of repairing the district. The anterior surface of the repair area conforms to the alveolar labial attachment area 42. The back surface of the repair area is attached to the alveolar bone and tongue side attachment area. Wherein, the front surface of the repair area and the back surface of the repair area conform to the conventional human physiological structure. The front surface of the repair area is in conformity with the contour of the alveolar bone labial attachment area 42 and is attached to the alveolar bone labial attachment area 42, and the area of the alveolar bone labial attachment area 42 is slightly larger than that of the front surface of the repair area, so that the repair area can be well covered. The back surface of the repairing area is consistent with the outline of the alveolar bone tongue side attaching area and can be attached to the alveolar bone tongue side attaching area, and the area of the alveolar bone tongue side attaching area is slightly larger than that of the back surface of the bone powder area 1, so that the repairing area can be well covered.
In the bone repair structure for alveolar bone vertical bone augmentation provided by the embodiment of the present invention, as shown in fig. 4 to 6, the fixture pin 3 includes a pin body 31 and an umbrella-shaped connection portion 32; an accommodating groove 321 is formed at one end of the umbrella-shaped connecting part 32 far away from the nail body 31; the fitting nail 5 comprises a cap part 51 and a retainer 52 which are connected; the retainer 52 is fitted into the receiving groove 321. In one embodiment, the alveolar bone bottom surface contact side of the nail body 31 is provided with a first threaded part 311; a second thread part 312 is arranged on the contact side of the nail body 31 and the bone block 2; between the first thread part 311 and the second thread part 312 is a smooth transition part 313. In use, the screwdriver bit is placed in the receiving slot 321 of the umbrella-shaped connecting portion 32 and then screwed into the fixture 3, so that the first thread portion 311 of the shank 31 is screwed into the bottom surface of the alveolar bone and the second thread portion 312 is screwed into the bone piece 2 to fix the bone piece 2.
In the bone repair structure for alveolar bone vertical bone increment provided by the embodiment of the present invention, as shown in fig. 4, the diameter of the umbrella-shaped connecting portion 32 gradually increases from the end away from the nail body 31 to the end close to the nail body 31. This allows a larger contact area with the bone pieces 2 and a larger support area, thereby reducing the number of fixtures 3 used.
In the bone repair structure for alveolar bone vertical bone increment according to the embodiment of the present invention, as shown in fig. 6, the cap body 51 is provided with a slot 511. When the special nail holder is used, the special nail holder is arranged in the groove 511, so that the fixing element 52 is screwed into the umbrella-shaped connecting part 32 through the accommodating groove 321, and the matching nail 5 is connected with the umbrella-shaped connecting part 32 to fix the biological membrane layer 4. The biofilm layer 4 is generally thin, and the thickness of the retention element 52 only needs to be slightly larger than the thickness of the receiving groove 321. Wherein the thickness direction coincides with the axial direction of the nail body 31.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, 1 volume in bone powder district is 5 ~ 15cm3. Within the above volume ranges, it is suitable for different persons.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, 1 packing in bone powder district has the bone meal, the particle diameter of bone meal is 0.2 ~ 0.5 mm. Within this particle size range, effective filling of the bone powder can be achieved.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, send out bone meal in the bone meal district 1 and select from Bio-oss bone meal or gury etc. artificial bone meal.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, biofilm layer 4's material is the absorbable collagen membrane. Wherein, the alveolar bone tongue side joint area, the repair area top surface joint area 41 and the alveolar bone lip side joint area 42 are absorbable collagen films. The absorbable collagen membrane is soft and deformable. Absorbable collagen membranes known in the art are generally suitable for use in the present invention. In a specific embodiment, the absorbable collagen membrane may be a Bio-Gide collagen membrane.
The embodiment of the utility model provides an among the bone repair structure that is used for alveolar bone vertical bone increment that provides, the thickness of biological film layer 4 is 0.5 ~ 1 mm. Wherein, the alveolar bone tongue side joint area, the repair area top surface joint area 41 and the alveolar bone lip side joint area 42 are all 0.5-1 mm. Different sizes of biofilm layers 4 can be selected according to patients with different degrees of bone defects.
The utility model discloses a use:
first, after local anesthesia, a flap is cut, the depth and width of the alveolar bone defect are measured, and a ball drill is used to perform facet modification. Then, holes are punched on the surface of the defect bone to allow blood to flow out so as to nourish the bone powder area 1 and the bone block 2 implanted subsequently and reduce bone absorption. The utility model discloses an use in the cavity that alveolar bone defect district nearly well internal surface, alveolar bone tongue side internal surface, alveolar bone defect district far-in internal surface, alveolar bone lip side internal surface, alveolar bone bottom surface enclose the utility model discloses a bone repair structure. When in use, the edge of the bone block 2 is jointed with the top surface of the bone defect area, and the retention pin 3 retains the bone block 2. The upper surface of the bone powder region 1 is attached to a bone block 2, the bottom surface of the alveolar bone defect region is attached to an alveolar bone bottom surface by an attaching curved surface 11, the near-middle attaching curved surface 12 of the alveolar bone defect region is attached to the near-middle inner surface of the alveolar bone defect region, the far-middle attaching curved surface 13 of the alveolar bone defect region is attached to the far-middle inner surface of the alveolar bone defect region, the alveolar bone lip side attaching region 42 is attached to the lip side of the alveolar bone defect region, and the alveolar bone tongue side attaching region is attached to the tongue side of the alveolar bone defect region. The nail 5 is fixed with the biomembrane layer 4, the sutured gingiva is loosened, and the wound is closed.
To sum up, use the utility model discloses a structure is repaired to bone can effectively increase the perpendicular bone volume to of alveolar bone, can create good condition for tooth planting.
To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A bone repair structure for alveolar bone vertical bone increment is characterized by comprising a bone powder area (1) matched with a bone defect area in shape and a bone block (2) matched with a bone defect area top surface in shape, wherein the bone block (2) is attached to the upper surface of the bone powder area (1); the bone repairing structure further comprises a retention nail (3), wherein the retention nail (3) comprises a nail body (31), and the nail body (31) of the retention nail (3) penetrates through the bone block (2) and the bone powder area (1) to form a repairing area; the top surface, the front surface and the back surface of the repair area are coated with biological film layers (4); the bone repair structure further comprises a fitting nail (5) for retaining the biofilm layer (4); the retention nail (3) is detachably connected with the matching nail (5).
2. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the biofilm layer (4) comprises an alveolar bone lingual fitting region, a repair region top surface fitting region (41), and an alveolar bone labial fitting region (42).
3. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the lower surface of the cement region (1) comprises an alveolar bone defect region bottom surface conforming curved surface (11) shaped to match the alveolar bone defect region bottom surface; the lateral surface of the bone powder area (1) comprises an alveolar bone defect area near-middle joint curved surface (12) matched with the near-middle inner surface of the alveolar bone defect area in shape and an alveolar bone defect area far-middle joint curved surface (13) matched with the far-middle inner surface of the alveolar bone defect area in shape.
4. The bone repair structure for alveolar bone vertical bone augmentation according to claim 2, wherein an anterior surface of the repair region is fitted to an alveolar bone labial fitting region (42); the back surface of the repair area is attached to the alveolar bone and tongue side attachment area.
5. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the fixture (3) further comprises an umbrella-shaped coupling part (32) coupled to the shank (31); an accommodating groove (321) is formed in one end, far away from the nail body (31), of the umbrella-shaped connecting part (32); the fitting nail (5) comprises a cap part (51) and a fixing piece (52) which are connected; the retention element (52) is fitted to the receiving groove (321).
6. The bone repair structure for alveolar bone vertical bone augmentation according to claim 5, wherein the umbrella-shaped connection portion (32) has a diameter gradually increasing from an end away from the nail body (31) to an end close to the nail body (31).
7. The bone repair structure for alveolar bone vertical bone augmentation according to claim 5, wherein the cap body (51) is provided with a slot (511).
8. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the volume of the cement region (1) is 5 to 15cm3。
9. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the bone powder region (1) is filled with bone powder having a particle size of 0.2 to 0.5 mm.
10. The bone repair structure for alveolar bone vertical bone augmentation according to claim 1, wherein the material of the biofilm layer (4) is an absorbable collagen film; the thickness of the biological film layer (4) is 0.5-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120591064.9U CN215130525U (en) | 2021-03-23 | 2021-03-23 | Bone repair structure for alveolar bone vertical bone increment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120591064.9U CN215130525U (en) | 2021-03-23 | 2021-03-23 | Bone repair structure for alveolar bone vertical bone increment |
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| Publication Number | Publication Date |
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| CN215130525U true CN215130525U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120591064.9U Active CN215130525U (en) | 2021-03-23 | 2021-03-23 | Bone repair structure for alveolar bone vertical bone increment |
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| CN (1) | CN215130525U (en) |
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- 2021-03-23 CN CN202120591064.9U patent/CN215130525U/en active Active
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