CN214761529U - Oral cavity is with getting bone to bore - Google Patents
Oral cavity is with getting bone to bore Download PDFInfo
- Publication number
- CN214761529U CN214761529U CN202120302987.8U CN202120302987U CN214761529U CN 214761529 U CN214761529 U CN 214761529U CN 202120302987 U CN202120302987 U CN 202120302987U CN 214761529 U CN214761529 U CN 214761529U
- Authority
- CN
- China
- Prior art keywords
- push
- pull handle
- spiral needle
- trephine
- bone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 57
- 210000000214 mouth Anatomy 0.000 title abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims 1
- 239000007943 implant Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000025157 Oral disease Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000030194 mouth disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
Images
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- Surgical Instruments (AREA)
Abstract
The utility model relates to the technical field of medical instruments, in particular to an oral cavity bone taking drill, which comprises a hollow trephine body and a spiral needle positioned in the trephine body, wherein the front end of the trephine body is provided with an annular saw-toothed cutting edge; the upper part of the spiral needle is detachably connected with a push-pull handle, the push-pull handle penetrates through the rear end face of the trephine body, and an anti-skid silica gel sleeve is sleeved on the push-pull handle; the spiral needle and the bone drill rotate in the same direction. The utility model can prevent the bone block from being broken in the operation and even can not be taken out, and the bone block can be conveniently taken out from the trephine after the operation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a bone drill is got with oral cavity.
Background
Oral diseases are diseases which are frequently encountered by people, and the oral diseases are easy to suffer from the conditions of decayed teeth and the like, so that the teeth need to be pulled out for replacement.
Before the implant operation is performed after the patient lacks the tooth, if the bone quantity of the tooth lacking part is found to be insufficient by shooting, the bone implant operation is often performed first, and the implant operation is performed after half a year. If the effect of the bone grafting operation is required to be tested, the in-vitro research of the new bone at the bone grafting part is often required to be carried out. At present, the bone is usually taken by a bone taking trephine, and the method has the following defects: 1. when a new bone at a deep position is taken, the bone ring which is often taken out is incomplete, and the bone of a site needing to be researched cannot be taken out; and when the bone is taken, the bone block is broken, and the bone is not taken completely or even can not be taken out.
2. After removal of the new bone, it is not easy to remove the removed bone ring from the trephine for study.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that present oral cavity was bored with getting bone, the utility model provides an oral cavity is bored with getting bone realizes preventing in the operation that the bone piece rupture can't take out even, can conveniently follow the mesh that the bone piece was taken out to the operation back.
The utility model provides a technical scheme as follows: the oral cavity bone taking drill comprises a hollow trephine body and a spiral needle positioned in the trephine body, wherein the front end of the trephine body is provided with an annular saw-toothed cutting edge; the upper part of the spiral needle is detachably connected with a push-pull handle, the push-pull handle penetrates through the rear end face of the trephine body, and an anti-skid silica gel sleeve is sleeved on the push-pull handle; the spiral needle and the bone drill rotate in the same direction.
Furthermore, the bone taking drill is provided with a protective cover, and the protective cover is arranged at the front end of the trephine body; the inner wall of the protective cover is provided with an annular bulge, and the trephine body is provided with a bulge corresponding to the annular bulge.
Further, the spiral needle is sharp at one end, the diameter of the thread is 1/3-2/3 of the inner diameter of the trephine body, and the thread pitch is 8-10 mm.
Further, the spiral needle is made of medical-grade stainless steel.
Furthermore, the spiral needle is clamped at the lower end of the push-pull handle, an annular triangular bulge with a triangular cross section is arranged at the top of the spiral needle, and a concave hole matched with the top of the spiral needle is formed in the lower end of the push-pull handle. And a triangular groove corresponding to the triangular protrusion is arranged in the concave hole.
Furthermore, the push-pull handle is T-shaped, and the overall height is 20-50 mm.
Further, the cutting edge angle of the annular saw-toothed cutting edge is 30-45 degrees.
Furthermore, the push-pull handle is connected with the rear end face of the trephine body in a sliding mode.
Furthermore, the push-pull handle is connected with the rear end face of the trephine body in a threaded manner.
Compared with the prior art, the beneficial effects of the utility model are that: the spiral needle is designed in the trephine body, and the top of the spiral needle is very sharp, so that when the trephine cuts bones in an operation, the middle slender spiral needle also enters the bones and is clamped with the bones, when the trephine is pulled out outwards, bone blocks are brought out together by the spiral needle, and the bone blocks can be prevented from being broken or even being incapable of being taken out; the spiral needle can be detached and replaced, so that the influence of tip damage on use is avoided; after the operation, the middle spiral needle can be rotated through the push-pull handle, so that the bone blocks in the trephine can be smoothly pushed out, and complete bone blocks can be obtained.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic structural diagram of the utility model a.
The trephine comprises a trephine body 1, a spiral needle 2, an annular serrated cutting edge 3, a push-pull handle 4 and a protective cover 5.
Detailed Description
For a better understanding of the technical solutions of the present technology, the present technology is described in detail below with reference to the accompanying drawings, and the description of the present technology is only exemplary and explanatory, and should not be construed as limiting the scope of the present technology in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the art are used, and are used only for convenience in describing the technology and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the technology.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present technology, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 technology can be understood in a specific case to those of ordinary skill in the art.
An oral cavity bone drill comprises a hollow trephine body 1 and a spiral needle 2 positioned inside the trephine body 1, wherein the front end of the trephine body 1 is provided with an annular saw-toothed cutting edge 3; the upper part of the spiral needle 2 is detachably connected with a push-pull handle 4, the push-pull handle 4 penetrates through the rear end face of the trephine body 1, and an anti-skid silica gel sleeve is sleeved on the push-pull handle 4; the spiral needle 2 and the bone drill rotate in the same direction.
Furthermore, the bone taking drill is provided with a protective cover 5, and the protective cover 5 covers the front end of the trephine body 1; the inner wall of the protective cover 5 is provided with an annular bulge, and the trephine body 1 is provided with a bulge corresponding to the annular bulge.
Further, the spiral needle 2 is sharp at one end, the thread diameter is 1/3-2/3 of the inner diameter of the trephine body 1, and the thread pitch is 8-10 mm.
Further, the spiral needle 2 is made of medical-grade stainless steel.
Furthermore, the spiral needle 2 is clamped at the lower end of the push-pull handle 4, an annular triangular bulge with a triangular cross section is arranged at the top of the spiral needle 2, and a concave hole matched with the top of the spiral needle 2 is formed in the lower end of the push-pull handle 4. And a triangular groove corresponding to the triangular protrusion is arranged in the concave hole.
Further, the push-pull handle 4 is T-shaped, and the overall height is 20-50 mm.
Further, the cutting edge angle of the annular serrated blade 3 is 30-45 degrees.
Furthermore, the push-pull handle 4 is connected with the rear end face of the trephine body 1 in a sliding manner.
Furthermore, the push-pull handle 4 is connected with the rear end face of the trephine body 1 in a threaded manner.
The utility model discloses a use method as follows: in the operation, the trephine rotates to cut the bone, the annular saw-toothed cutting edge 3 can also promote the cutting speed of the trephine, meanwhile, the middle slender spiral needle 2 also rotates into the bone and is clamped with the bone, when the trephine is pulled out outwards, the bone is brought out by the spiral needle 2 together, and the bone can be prevented from being broken or even being incapable of being taken out; the spiral needle 2 can be detached and replaced, so that the damage of the tip to influence the use is avoided; after the operation, the middle spiral needle 2 can be rotated through the push-pull handle 4, so that the bone block in the trephine is smoothly pushed out, and a complete bone block is obtained. Then a protective cover 5 is covered to protect the trephine.
It should be noted that there are no specific structures in the above description, and it will be apparent to those skilled in the art that various modifications, decorations, or changes can be made without departing from the technical principles of the present invention; such modifications, variations, or combinations, or applying the concepts and solutions of the technology directly to other applications without further modifications, are intended to be within the scope of the present technology.
Claims (9)
1. The oral bone drill is characterized by comprising a hollow trephine body and a spiral needle positioned in the trephine body, wherein the front end of the trephine body is provided with an annular saw-toothed cutting edge; the upper part of the spiral needle is detachably connected with a push-pull handle, the push-pull handle penetrates through the rear end face of the trephine body, and an anti-skid silica gel sleeve is sleeved on the push-pull handle; the spiral needle and the bone drill rotate in the same direction.
2. The oral bone drill of claim 1, wherein: the bone taking drill is provided with a protective cover, and the protective cover is covered on the front end of the trephine body; the inner wall of the protective cover is provided with an annular bulge, and the trephine body is provided with a bulge corresponding to the annular bulge.
3. The oral bone drill of claim 1, wherein: the spiral needle is sharp at one end, the diameter of the thread is 1/3-2/3 of the inner diameter of the trephine body, and the thread pitch is 8-10 mm.
4. The oral bone harvesting drill of claim 3, wherein: the spiral needle is made of medical-grade stainless steel.
5. The oral bone drill of claim 1, wherein: the spiral needle is clamped at the lower end of the push-pull handle, an annular triangular bulge with a triangular cross section is arranged at the top of the spiral needle, a concave hole matched with the top of the spiral needle is formed in the lower end of the push-pull handle, and a triangular groove corresponding to the triangular bulge is formed in the concave hole.
6. The oral bone drill of claim 1, wherein: the push-pull handle is T-shaped, and the overall height is 20-50 mm.
7. The oral bone drill of claim 1, wherein: the cutting edge angle of the annular saw-toothed cutting edge is 30-45 degrees.
8. The oral bone drill of claim 1, wherein: the push-pull handle is connected with the rear end face of the trephine body in a sliding mode.
9. The oral bone drill of claim 1, wherein: the push-pull handle is connected with the rear end face of the trephine body in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302987.8U CN214761529U (en) | 2021-02-03 | 2021-02-03 | Oral cavity is with getting bone to bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302987.8U CN214761529U (en) | 2021-02-03 | 2021-02-03 | Oral cavity is with getting bone to bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214761529U true CN214761529U (en) | 2021-11-19 |
Family
ID=78751917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302987.8U Expired - Fee Related CN214761529U (en) | 2021-02-03 | 2021-02-03 | Oral cavity is with getting bone to bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214761529U (en) |
-
2021
- 2021-02-03 CN CN202120302987.8U patent/CN214761529U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |