CN210056141U - Reamer for lumbar vertebra operation - Google Patents
Reamer for lumbar vertebra operation Download PDFInfo
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- CN210056141U CN210056141U CN201822022457.9U CN201822022457U CN210056141U CN 210056141 U CN210056141 U CN 210056141U CN 201822022457 U CN201822022457 U CN 201822022457U CN 210056141 U CN210056141 U CN 210056141U
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Abstract
The utility model discloses a reamer that can be used to among lumbar vertebrae operation, it is including the handle that connects gradually, connect cutter arbor and cutting edge, the handle includes integrated into one piece's handle main part and sets up the handle edge of a wing in handle main part both sides, there is contained angle an between the handle edge of a wing and the handle main part, slick and sly transitional coupling between the handle edge of a wing and the handle main part, the cutting edge is including the blade slope section and the blade slick and sly section that connect gradually, the blade slope section is connected with the connecting guide arm, connect the cutter arbor, the sum of the length of blade slope section and blade slick and sly section is 320mm, the handle main part, connect the cutter arbor, the length sum of blade slope section and blade slick and sly section is 360mm, the external. The diameter of the novel middle connecting knife rod is 3.5mm, and the middle connecting knife rod can be applied to visual operation under an intervertebral foramen mirror and is used as a surgical instrument for establishing a channel in the minimally invasive surgery of treating lumbar intervertebral discs by the intervertebral foramen mirror.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a reamer which can be used in lumbar surgery.
Background
The existing transforaminal nucleotomy is an advanced minimally invasive surgery mode for treating lumbar disc herniation, in the whole surgery process, the establishment of a scope body channel is a very critical step, namely, the establishment of a channel which enters the interior of a vertebra from an autologous external transvertebral foramen is completed, and after the establishment of the scope body channel is completed, a working sleeve is inserted to place a transforaminal scope. However, under some special conditions, such as spinal stenosis or hyperplasia of bone in the spinal canal, the working cannula cannot be effectively and smoothly placed beside the focus, and the hyperplasia bone needs to be removed. Therefore, a bone knife product which can be visually operated in a mirror body and has good bone cutting effect is clinically needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and deficiencies of the prior art and provide a reamer which has good bone cutting effect and can be used for lumbar surgery.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a reamer that can be used to among lumbar vertebrae operation, including the handle that connects gradually, connect cutter arbor and cutting edge, the handle includes integrated into one piece's handle main part and sets up the handle edge of a wing of handle main part both sides, the handle edge of a wing with there is contained angle a between the handle main part, the handle edge of a wing with rounding off connects between the handle main part, the cutting edge is including the blade slope section and the blade rounding off section that connect gradually, the blade slope section with it is connected to connect the guide arm, connect the cutter arbor the blade slope section with the sum of the length of blade rounding off section is 320mm, the handle main part connect the cutter arbor the blade slope section with the length sum of blade rounding off section is 360mm, the external diameter of connecting the cutter arbor is 3.5 mm.
Preferably, the included angle a is 90-180 degrees.
Preferably, the included angle a is 90 °.
Preferably, the length between the two handle flanges is 60 mm.
Preferably, the reamer is made of 440C stainless steel, and the overall hardness is 52 Rockwell hardness.
The utility model discloses following beneficial effect has been gained for prior art:
1. the utility model provides a diameter of connecting the pole of a knife among the reamer that can be used to among the lumbar vertebrae operation is 3.5mm, can use visual operation under the intervertebral foramen mirror for establish the surgical instruments of passageway in the minimal access surgery of intervertebral foramen mirror treatment lumbar intervertebral disc.
2. The utility model provides a mode that adopts to set up blade slope section and blade rounding off section in the reamer that can be used to among the lumbar vertebrae operation has improved the cutting performance of reamer.
3. The utility model provides a reamer that can be used to among the lumbar vertebrae operation's bulk hardness is 52 rockwell hardness, has guaranteed that reamer can not take place the problem of tipping, damage in the course of the work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the reamer of the present invention used in lumbar surgery;
FIG. 2 is an enlarged view of a portion of FIG. 1;
wherein, 1-handle body, 2-handle flange, 3-connecting cutter bar, 4-cutting edge, 5-cutting edge inclined section and 6-cutting edge smooth section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims to provide a reamer that can be used to lumbar vertebra operation that bone cutting effect is good to the defect of prior art and not enough.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-2, the utility model provides a reamer that can be used to among lumbar vertebrae operation, including the handle that connects gradually, connect cutter arbor 3 and cutting edge 4, the handle includes integrated into one piece's handle main part 1 and sets up the handle edge of a wing 2 in handle main part 1 both sides, there is contained angle a between handle edge of a wing 2 and the handle main part 1, slick and sly transitional coupling between handle edge of a wing 2 and the handle main part 1, cutting edge 4 is including the blade slope section 5 and the blade section 6 that connect gradually, blade slope section 5 is connected with the connecting guide arm, connect cutter arbor 3, the sum of the length of blade slope section 5 and blade slick and sly section 6 is 320mm, handle main part 1, connect cutter arbor 3, the sum of the length of blade slope section 5 and blade slick and sly section 6 is 360mm, the external diameter of connecting cutter arbor 3 is 3..
Wherein, the diameter of the connecting cutter bar 3 is 3.5mm, can be applied to visual operation under an intervertebral foramen mirror and is used as a surgical instrument for establishing a channel in the minimally invasive surgery of treating lumbar intervertebral disc by the intervertebral foramen mirror.
The middle and upper included angle a of the utility model is 90-180 degrees.
The utility model discloses well contained angle a is 90.
The length between the wing edges 2 of the two handles of the utility model is 60 mm.
The material of the middle reamer is 440C stainless steel, and the whole hardness is 52 Rockwell hardness.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. The utility model provides a reamer that can be used to among lumbar vertebrae operation, a serial communication port, including the handle that connects gradually, connect cutter arbor and cutting edge, the handle includes integrated into one piece's handle main part and sets up the handle edge of a wing of handle main part both sides, the handle edge of a wing with there is contained angle a between the handle main part, the handle edge of a wing with rounding off connects between the handle main part, the cutting edge is including the blade slope section and the blade rounding off section that connect gradually, the blade slope section with it is connected to connect the cutter arbor, connect the cutter arbor the blade slope section with the sum of the length of blade rounding off section is 320mm, the handle main part connect the cutter arbor the blade slope section with the length sum of blade rounding off section is 360mm, the external diameter of connecting the cutter arbor is 3.5 mm.
2. The reamer as claimed in claim 1, wherein the included angle a is 90 ° -180 °.
3. The reamer as claimed in claim 2, wherein the included angle a is 90 °.
4. The reamer as claimed in claim 3, wherein the length between the two handle flanges is 60 mm.
5. The reamer as claimed in any one of claims 1 to 4, wherein the reamer is made of 440C stainless steel and has an overall hardness of 52 Rockwell hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022457.9U CN210056141U (en) | 2018-12-04 | 2018-12-04 | Reamer for lumbar vertebra operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022457.9U CN210056141U (en) | 2018-12-04 | 2018-12-04 | Reamer for lumbar vertebra operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210056141U true CN210056141U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822022457.9U Active CN210056141U (en) | 2018-12-04 | 2018-12-04 | Reamer for lumbar vertebra operation |
Country Status (1)
| Country | Link |
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| CN (1) | CN210056141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113491559A (en) * | 2021-07-26 | 2021-10-12 | 二零二零（北京）医疗科技有限公司 | Medical reamer |
-
2018
- 2018-12-04 CN CN201822022457.9U patent/CN210056141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113491559A (en) * | 2021-07-26 | 2021-10-12 | 二零二零（北京）医疗科技有限公司 | Medical reamer |
| CN113491559B (en) * | 2021-07-26 | 2022-10-14 | 二零二零（北京）医疗科技有限公司 | Medical reamer |
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