CN211883946U - Intervertebral foramen mirror down variable angle flat file grinding device - Google Patents
Intervertebral foramen mirror down variable angle flat file grinding device Download PDFInfo
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- CN211883946U CN211883946U CN202020042028.2U CN202020042028U CN211883946U CN 211883946 U CN211883946 U CN 211883946U CN 202020042028 U CN202020042028 U CN 202020042028U CN 211883946 U CN211883946 U CN 211883946U
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Abstract
The invention relates to the technical field of medical instruments, in particular to a transforaminal endoscopic variable-angle flat file polishing device which is characterized by comprising a flat file polishing device, a power reciprocating driving device and an angle driving device, wherein the flat file polishing device comprises a file sheet, an upper cover plate, a lower supporting plate, an inner cutter tube, an outer cutter tube, an inner rod, an outer cutter tube articulated shaft and an inner cutter tube articulated shaft, the inner rod is driven by the power reciprocating driving device to move back and forth so as to grind bone, the angle driving device drives the inner cutter tube to move back and forth so as to realize the angle rotation of the lower supporting plate and further realize the angle adjustment of the file sheet, and the device has the advantages of simple structure, easiness in operation, strong practicability, large working range, small damage to a patient and the like.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an under-intervertebral foramen mirror variable-angle flat file polishing device which is simple in structure, easy to operate, strong in practicability, large in working range and small in patient injury.
Background
As is known, in clinical operations of spine, joint and trauma bone surgery, a great amount of operations of grinding and cutting bone substances are required, at present, tools such as manual or electric bone saws, chisels, bone files, rongeurs and grinding heads with various shapes are used for processing the bone substances, some tools are used for open type operations of large wounds, and in order to facilitate subsequent clinical operations such as prosthesis installation, the controllability of the operation of the tools is poor, and the bone substances such as bone saws, chisels and bone files are damaged too much. Some tools bring adverse stimulation to patients after operation because regular and smooth bone wound surfaces cannot be realized, such as medical instruments similar to rongeur. Although the head of the grinding head is small in size and can realize efficient grinding, the grinding head is mostly used for grinding in a pure bone environment and is mostly used for dentistry because the soft tissue cannot be protected, but in the actual operation process, because the operation space of a wound is narrow, the intervertebral foramen endoscope technology is adopted to provide the advantages of reducing trauma wound, relieving pain, reducing scar, reducing hospitalization rate, restoring normal functions and the like for a patient.
At present, grinding tools under the intervertebral foramen mirror are all drill bit type grinding tools, and are characterized by high speed, but the working range is smaller, and the efficiency is not too high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the intervertebral foramen under-lens variable-angle flat file polishing device which is simple in structure, easy to operate, strong in practicability, large in working range and small in patient injury.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a variable angle flat file polishing device under an intervertebral foramen mirror is characterized by comprising a flat file polishing device, a power reciprocating driving device and an angle driving device, wherein the flat file polishing device comprises a file sheet, an upper cover plate, a lower supporting plate, an inner cutter pipe, an outer cutter pipe, an inner rod, an outer cutter pipe articulated shaft and an inner cutter pipe articulated shaft, the upper cover plate is buckled at the rear end part of the lower supporting plate, the file sheet is arranged between the upper cover plate and the lower cover plate, the front end of the file sheet extends out of the front end of the upper cover plate and is exposed above the front end part of the lower supporting plate, the rear end of the file sheet extends into the rear end of the upper cover plate and is connected with the inner rod, the outer cutter pipe is sleeved outside the inner rod, the rear ends of the upper cover plate and the lower supporting plate are respectively articulated with the outer cutter pipe via the outer cutter pipe articulated shaft, the inner cutter pipe is arranged between the inner rod and the outer cutter pipe, the lower end of the inner cutter pipe extends out of the outer cutter pipe and is articulated with the, the back end of the outer cutter tube is fixedly connected with the angle driving device, the inner cutter tube is in driving connection with the angle driving device, the inner rod penetrates through the angle driving device to be connected with the power reciprocating driving device, the power reciprocating driving device drives the inner rod to move back and forth to further achieve bone grinding, and the angle driving device drives the inner cutter tube to move back and forth to achieve angle rotation of the lower supporting plate so as to achieve angle adjustment of the file sheet.
The angle driving device comprises a shell, a driving wheel and a driving intermediate body, wherein the shell is tubular, the front end of the shell is fixedly connected with the rear end of an outer cutter tube, a driving intermediate piece is arranged inside the shell, the front end of the driving intermediate piece is connected with the rear end of an inner cutter tube, a driving thread is arranged in the middle of the driving intermediate piece, the driving wheel extends into the shell and is connected with the driving thread of the driving intermediate piece in a matched mode, the driving intermediate piece is driven to move back and forth by rotating the driving wheel, and therefore the inner cutter tube is driven to move back and forth.
According to the invention, the pre-tightening spring is arranged between the driving intermediate body and the shell, and the stability between the driving intermediate body shells is realized through the pre-tightening spring, so that the inner cutter tube moves more reliably and does not have micromotion.
The outer knife tube of the invention is provided with an intervertebral foramen mirror outside, passes through a working channel of the intervertebral foramen mirror and is connected with an angle driving device and a power reciprocating driving device at the rear side, so that a flat file polishing device works under the intervertebral foramen mirror.
The upper end surface of the file sheet is provided with file teeth for filing, so that soft tissues are protected from being damaged while bone is ground.
The file sheet comprises a front end hard part and a rear end flexible part, wherein the front end hard part ensures the grinding strength of the file sheet, and the rear end flexible part ensures the smooth reciprocating transmission power of the file sheet.
The lower supporting plate below the file sheet is provided with the reciprocating limiting groove matched with the file sheet, and the reciprocating limiting groove limits the motion space of the file sheet and ensures the stable reciprocating motion of the file sheet.
The device comprises a flat file polishing device, a power reciprocating driving device and an angle driving device, wherein the flat file polishing device comprises a file sheet, an upper cover plate, a lower supporting plate, an inner cutter pipe, an outer cutter pipe, an inner rod, an outer cutter pipe articulated shaft and an inner cutter pipe articulated shaft, the upper cover plate is buckled at the rear end part of the lower supporting plate, the file sheet is arranged between the upper cover plate and the lower cover plate, the front end of the file sheet extends out of the front end of the upper cover plate and is exposed above the front end part of the lower supporting plate, the rear end of the file sheet extends into the rear end of the upper cover plate and is connected with the inner rod, the outer cutter pipe is sleeved outside the inner rod, the rear ends of the upper cover plate and the lower supporting plate are respectively articulated with the outer cutter pipe through the outer cutter pipe articulated shaft, the inner cutter pipe is arranged between the inner rod and the outer cutter pipe, the lower end of the inner cutter pipe extends out of the outer cutter pipe and is articulated with the lower supporting plate through the inner cutter pipe articulated shaft, and the rear end of, the inner cutter tube is connected with the angle driving device in a driving way, the inner rod penetrates through the angle driving device to be connected with the power reciprocating driving device, the power reciprocating driving device drives the inner rod to move back and forth so as to grind bone, the angle driving device drives the inner cutter tube to move back and forth so as to realize the angle rotation of the lower supporting plate and further realize the angle adjustment of the file sheet, the angle driving device consists of a shell, a driving wheel and a driving intermediate body, the shell is tubular, the front end of the shell is fixedly connected with the rear end of the outer cutter tube, a driving intermediate piece is arranged inside the shell, the front end of the driving intermediate piece is connected with the rear end of the inner cutter tube, the middle part of the driving intermediate piece is provided with a driving thread, the driving wheel extends into the shell to be connected with the driving thread of the driving intermediate piece in a matching way, the driving intermediate piece is driven to move, the utility model discloses a flat file grinding device, including drive midbody and casing, be equipped with the pretension spring between drive midbody and the casing, realize the stability between the drive midbody casing through the pretension spring, make interior tool bit remove more reliably, can not appear the fine motion, outer tool bit outside be equipped with the transforaminal mirror, outer tool bit pass the working channel of transforaminal mirror, be connected with the angle drive of rear side and the reciprocal drive arrangement of power, make flat file grinding device work under the transforaminal mirror, file piece up end be equipped with the file tooth of usefulness of filing, protect the soft tissue not hurt when grinding the sclerotin, the file piece constitute by front end stereoplasm portion and rear end flexibility portion, file piece grinding intensity is guaranteed to front end stereoplasm portion, rear end flexibility portion guarantees that file piece reciprocating transmission power is smooth, the lower bolster of file piece below on be equipped with the reciprocal spacing groove of file piece matched with, reciprocal spacing groove restriction file piece's motion space, ensures the reciprocating motion of the file sheet to be stable, and has the advantages of simple structure, easy operation, strong practicability, large working range, small injury of patients and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of a portion B in fig. 1.
Fig. 4 is a front view showing a coupling relationship between the rasp and the inner rod of fig. 1.
Fig. 5 is a top view of fig. 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the variable-angle flat file polishing device under the intervertebral foramen mirror is characterized by comprising a flat file polishing device, a power reciprocating driving device 14 and an angle driving device, wherein the flat file polishing device comprises a file 5, an upper cover plate 2, a lower support plate 1, an inner cutter tube 8, an outer cutter tube 6, an inner rod 7, an outer cutter tube hinged shaft 4 and an inner cutter tube hinged shaft 3, the upper cover plate 2 is buckled at the rear end part of the lower support plate 1, the file 5 is arranged between the upper cover plate 2 and the lower cover plate, the front end of the file 5 extends out of the front end part of the upper cover plate 2 and is exposed above the front end part of the lower support plate 1, the rear end of the file 5 extends into the rear end part of the upper cover plate 2 and is connected with the inner rod 7, the outer cutter tube 6 is sleeved outside the inner rod 7, the rear ends of the upper cover plate 2 and the lower support plate 1 are respectively hinged with the outer cutter tube 6 through the outer cutter tube hinged shaft 4, the inner cutter tube 8 is arranged between the inner rod 7 and, the lower end of the inner cutter tube 8 extends out of the outer cutter tube 6 and is hinged with the lower supporting plate 1 through an inner cutter tube hinge shaft 3, the rear end of the outer cutter tube 6 is fixedly connected with an angle driving device, the inner cutter tube 8 is in driving connection with the angle driving device, the inner rod 7 passes through the angle driving device and is connected with a power reciprocating driving device 14, the power reciprocating driving device 14 drives the inner rod 7 to move back and forth so as to grind bone, the angle driving device drives the inner cutter tube 8 to move back and forth so as to realize the angle rotation of the lower supporting plate 1 and further realize the angle adjustment of the file 5, the angle driving device consists of a shell 10, a driving wheel 11 and a driving intermediate 13, the shell 10 is tubular, the front end of the shell 10 is fixedly connected with the rear end of the outer cutter tube 6, a driving intermediate is arranged inside the shell 10, and the front end of the driving intermediate is connected with the rear end of the inner cutter tube, the middle part of the driving intermediate part is provided with a driving thread, the driving wheel 11 extends into the shell 10 to be matched and connected with the driving thread of the driving intermediate part, the driving wheel 11 is rotated to drive the driving intermediate part to move back and forth so as to drive the inner cutter tube 8 to move back and forth, a pre-tightening spring 12 is arranged between the driving intermediate part 13 and the shell 10, the stability between the shell 10 of the driving intermediate part 13 is realized through the pre-tightening spring 12, the inner cutter tube 8 can move more reliably without micro-motion, the outer cutter tube 6 is externally provided with the transforaminal endoscope, the outer cutter tube 6 passes through a working channel of the transforaminal endoscope and is connected with an angle driving device and a power reciprocating driving device 14 at the rear side, so that the file polishing device works under the transforaminal endoscope, the upper end surface of the file 5 is provided with file teeth for file polishing, and the bone grinding and the soft tissues are protected from, file 5 constitute by front end stereoplasm portion and rear end flexibility portion, 5 grinding strength of file are guaranteed to front end stereoplasm portion, 5 reciprocal transmission power fluencies of file are guaranteed to the flexibility portion of rear end, the bottom plate 1 of file 5 below on be equipped with the reciprocal spacing groove of 5 matched with of file, reciprocal spacing groove restriction file 5's motion space, guarantee that 5 reciprocating motion of file is stable, angle drive device in the outside of casing 10 be equipped with adapter sleeve 9, realize angle drive device's protection through adapter sleeve 9.
When the invention is used, the implementation mode of the device is illustrated by taking a fig. 1 as an example, a file 5 in the fig. 4 is a final polishing device which has a simple structure, can cut sclerotin in a reciprocating motion mode and can protect the safety of soft tissues, can quickly cut sclerotin and simultaneously avoid injuring soft tissues in a high-speed motion mode, the structure in the fig. 1 is an internal structure, an inner rod 7 and the file 5 can safely complete reciprocating filing and angular pitching motion under the condition that all the designs of the internal structure meet the expected purpose, an upper cover plate 2 and a lower supporting plate 1 in the fig. 1 form a file 5 assembly which is directly attached to the file 5 in the fig. 4 to support the reciprocating motion of the file 5 in the fig. 4, and a hinged shaft 3 of an inner cutter pipe is used as a shaft to support the file 5 assembly to realize pitching motion; the pitching motion of the device is realized, the end part of a file piece 5 component is provided with a hinge hole and is hinged with an outer cutter tube 6, the front end of the outer cutter tube 6 is provided with a reinforced connecting part for supporting the rotation motion, an outer cutter tube hinge shaft 4 is connected with the file piece 5 component and an inner cutter tube 8, the inner cutter tube 8 is connected with the file piece 5 component through the outer cutter tube hinge shaft 4, the strength of the hinged section of the front end of the inner cutter tube 8 is reinforced, the file piece 5 component is driven by the back and forth motion of the inner cutter tube 8 to realize the pitching motion, the rear end of the outer cutter tube 6 is welded with a shell 10 to provide the most main support, the rear end of the inner cutter tube 8 is connected with a driving intermediate piece, the driving intermediate piece is limited in the shell 10 in freedom degree and can only move in a straight line, a spring is arranged between the driving intermediate piece and the shell 10, the driving intermediate piece is tightly connected with the outer cutter tube 6 by the pretightening force, the device comprises a flat file polishing device, a power reciprocating driving device 14 and an angle driving device, wherein the flat file polishing device comprises a flat file 5, an upper cover plate 2, a lower support plate 1, an inner cutter pipe 8, an outer cutter pipe 6, an inner rod 7, an outer cutter pipe articulated shaft 4, an inner cutter pipe 8, a lower support plate 5, a lower cutter pipe 5, an inner rod 7, a lower cutter pipe articulated shaft 4, a lower cutter pipe 5, an upper cutter pipe articulated shaft 7, an upper cutter pipe articulated shaft 4, a lower cutter pipe 6, an upper cutter pipe articulated shaft 2, an upper cutter pipe 5, a lower cutter pipe 5, an upper cutter pipe articulated shaft 4, a lower cutter pipe 5, an upper cutter pipe 5, a lower cutter pipe, The upper cover plate 2 is buckled at the rear end part of the lower support plate 1, a file 5 is arranged between the upper cover plate 2 and the lower cover plate, the front end of the file 5 extends out of the front end of the upper cover plate 2 and is exposed above the front end part of the lower support plate 1, the rear end of the file 5 extends into the rear end of the upper cover plate 2 and is connected with an inner rod 7, an outer cutter pipe 6 is sleeved outside the inner rod 7, the rear ends of the upper cover plate 2 and the lower support plate 1 are respectively hinged with the outer cutter pipe 6 through an outer cutter pipe hinged shaft 4, an inner cutter pipe 8 is arranged between the inner rod 7 and the outer cutter pipe 6, the lower end of the inner cutter pipe 8 extends out of the outer cutter pipe 6 and is hinged with the lower support plate 1 through the inner cutter pipe 3, the rear end of the outer cutter pipe 6 is fixedly connected with an angle driving device, the inner cutter pipe 8 is in driving connection with the angle driving device, the inner rod 7 passes through the angle driving device and is connected with a power reciprocating driving device 14, the angle adjusting device comprises a shell 10, a driving wheel 11 and a driving intermediate 13, wherein the shell 10 is tubular, the front end of the shell 10 is fixedly connected with the rear end of an outer cutter tube 6, a driving intermediate is arranged inside the shell 10, the front end of the driving intermediate is connected with the rear end of the inner cutter tube 8, a driving thread is arranged in the middle of the driving intermediate, the driving wheel 11 extends into the shell 10 and is connected with the driving thread of the driving intermediate in a matched manner, the driving intermediate is driven to move back and forth by rotating the driving wheel 11, so that the inner cutter tube 8 is driven to move back and forth, a pre-tightening spring 12 is arranged between the driving intermediate 13 and the shell 10, realize the stability between the casing 10 of drive midbody 13 through pretension spring 12, make interior sword pipe 8 remove more reliably, the fine motion can not appear, outer sword pipe 6 outside be equipped with the transforaminal mirror, outer sword pipe 6 pass the working channel of transforaminal mirror, be connected with the angle drive of rear side and power reciprocating drive 14, make flat file grinding device work under the transforaminal mirror, file 5 up end be equipped with the file tooth of filing usefulness, protect the soft tissue not hurt when grinding sclerotin, file 5 constitute by front end stereoplasm portion and rear end flexible portion, file 5 grinding intensity is guaranteed to the front end stereoplasm portion, the flexible portion in rear end guarantees that file 5 reciprocating transmission power is smooth, lower supporting plate 1 below file 5 on be equipped with the reciprocal spacing groove with file 5 matched with, the motion space of reciprocal spacing groove restriction file 5, ensures the stable reciprocating motion of the file 5, and has the advantages of simple structure, easy operation, strong practicability, large working range, small injury of patients, and the like.
Claims (7)
1. A variable angle flat file polishing device under an intervertebral foramen mirror is characterized by comprising a flat file polishing device, a power reciprocating driving device and an angle driving device, wherein the flat file polishing device comprises a file sheet, an upper cover plate, a lower supporting plate, an inner cutter pipe, an outer cutter pipe, an inner rod, an outer cutter pipe articulated shaft and an inner cutter pipe articulated shaft, the upper cover plate is buckled at the rear end part of the lower supporting plate, the file sheet is arranged between the upper cover plate and the lower cover plate, the front end of the file sheet extends out of the front end of the upper cover plate and is exposed above the front end part of the lower supporting plate, the rear end of the file sheet extends into the rear end of the upper cover plate and is connected with the inner rod, the outer cutter pipe is sleeved outside the inner rod, the rear ends of the upper cover plate and the lower supporting plate are respectively articulated with the outer cutter pipe via the outer cutter pipe articulated shaft, the inner cutter pipe is arranged between the inner rod and the outer cutter pipe, the lower end of the inner cutter pipe extends out of the outer cutter pipe and is articulated with the, the rear end of the outer cutter tube is fixedly connected with the angle driving device, the inner cutter tube is in driving connection with the angle driving device, and the inner rod penetrates through the angle driving device and is connected with the power reciprocating driving device.
2. The device as claimed in claim 1, wherein the angle driving device comprises a housing, a driving wheel and a driving intermediate member, the housing is tubular, the front end of the housing is fixedly connected to the rear end of the outer cutting tube, the driving intermediate member is disposed inside the housing, the front end of the driving intermediate member is connected to the rear end of the inner cutting tube, the driving screw is disposed in the middle of the driving intermediate member, and the driving wheel extends into the housing and is connected to the driving screw of the driving intermediate member.
3. The device as claimed in claim 2, wherein a pre-tensioned spring is provided between the driving intermediate body and the housing.
4. The device as claimed in claim 1 or 2, wherein the external knife tube is provided with an endoscopic discectomy device, and the external knife tube passes through the working channel of the endoscopic discectomy device and is connected with the angle driving device and the power reciprocating driving device at the rear side.
5. The device as claimed in claim 1, wherein the upper end surface of the rasp blade is provided with rasping teeth for rasping.
6. The device of claim 1, wherein the rasp blade comprises a rigid front portion and a flexible rear portion.
7. The device as claimed in claim 1, wherein the lower supporting plate under the filing plate is provided with a reciprocating limiting groove for matching with the filing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020042028.2U CN211883946U (en) | 2020-01-09 | 2020-01-09 | Intervertebral foramen mirror down variable angle flat file grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020042028.2U CN211883946U (en) | 2020-01-09 | 2020-01-09 | Intervertebral foramen mirror down variable angle flat file grinding device |
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| CN211883946U true CN211883946U (en) | 2020-11-10 |
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| CN202020042028.2U Active CN211883946U (en) | 2020-01-09 | 2020-01-09 | Intervertebral foramen mirror down variable angle flat file grinding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012436A (en) * | 2020-01-09 | 2020-04-17 | 博能华医疗器械（北京）有限公司 | Intervertebral foramen mirror down variable angle flat file grinding device |
| CN113171154A (en) * | 2021-04-21 | 2021-07-27 | 燕山大学 | Adjustable angle osteotome for intervertebral foramen mirror operation |
| WO2022174560A1 (en) * | 2021-02-20 | 2022-08-25 | 山东冠龙医疗用品有限公司 | Expandable intervertebral disc endplate unilateral scraping processor |
| CN116421262A (en) * | 2023-06-13 | 2023-07-14 | 杭州锐健马斯汀医疗器材有限公司 | Shoulder file |
-
2020
- 2020-01-09 CN CN202020042028.2U patent/CN211883946U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012436A (en) * | 2020-01-09 | 2020-04-17 | 博能华医疗器械（北京）有限公司 | Intervertebral foramen mirror down variable angle flat file grinding device |
| WO2022174560A1 (en) * | 2021-02-20 | 2022-08-25 | 山东冠龙医疗用品有限公司 | Expandable intervertebral disc endplate unilateral scraping processor |
| CN113171154A (en) * | 2021-04-21 | 2021-07-27 | 燕山大学 | Adjustable angle osteotome for intervertebral foramen mirror operation |
| CN116421262A (en) * | 2023-06-13 | 2023-07-14 | 杭州锐健马斯汀医疗器材有限公司 | Shoulder file |
| CN116421262B (en) * | 2023-06-13 | 2023-08-25 | 杭州锐健马斯汀医疗器材有限公司 | Shoulder file |
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