CN212996690U - Special processing abrasive drill for lumbar intervertebral space - Google Patents
Special processing abrasive drill for lumbar intervertebral space Download PDFInfo
- Publication number
- CN212996690U CN212996690U CN202021130629.5U CN202021130629U CN212996690U CN 212996690 U CN212996690 U CN 212996690U CN 202021130629 U CN202021130629 U CN 202021130629U CN 212996690 U CN212996690 U CN 212996690U
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- China
- Prior art keywords
- connective bar
- fixed
- connecting rod
- speed
- lumbar intervertebral
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- 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
- 238000005553 drilling Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 210000000988 bone and bone Anatomy 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 4
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000001951 dura mater Anatomy 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 210000004446 longitudinal ligament Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a lumbar vertebrae intervertebral space dedicated processing abrasive drilling, the electric iron comprises a handle, the handle passes through actuating mechanism and rotates and install cutter unit, cutter unit includes first connective bar, first connective bar fixedly connected with second connective bar, the second connective bar is fixed with the protection sheath, the side of protection sheath is fixed with the tool bit through the fixed stick. The utility model discloses the stage property subassembly of removable different angles, different diameters helps the backbone doctor to realize quick, high-efficient, safe, thorough intervertebral bone grafting and prepares.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, especially, relate to a lumbar vertebrae intervertebral space special use is handled abrasive drilling.
Background
In the lumbar vertebra operation treatment intervertebral space in-process, strike off the end plate cartilage and do the preparation of bone grafting bed for intervertebral fusion, the range of handling bone grafting bed, the thorough degree of depth help the improvement of postoperative bone grafting fusion rate, these have close relation to the effect of operation and the recovery of perioperative period with the length of operation, in present clinical operation, common technical means is with manual scraper, strike off the range and the degree of depth that end plate cartilage realized bone grafting bed by virtue of doctor's feeling.
The existing intervertebral space bone bed processing operation process is time-consuming (manual operation), and depends on the subjective judgment of a doctor for main operation on the range and the depth of a bone grafting bed, so that the design of a power system which can realize high speed and high efficiency, can enlarge the range and provides accurate depth for processing the intervertebral space bone grafting bed has important clinical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a special processing abrasive drill for lumbar intervertebral space.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a lumbar vertebrae intervertebral disc space dedicated processing abrasive drilling, includes the handle, the handle rotates through actuating mechanism and installs cutter unit, cutter unit includes first connective bar, first connective bar fixedly connected with second connective bar, the second connective bar is fixed with the protection sheath, the side of protection sheath is fixed with the tool bit through the fixed stick.
Preferably, the included angle between the first connecting rod and the second connecting rod is 0 degree, 90 degrees or 135 degrees, and the side edge of the second connecting rod is marked with a scale value of the depth.
Preferably, the width of the cutting head is 2 mm, 4 mm, 6 mm, 8 mm, 10 mm or 12 mm.
Preferably, the driving mechanism is a speed regulating motor, the speed regulating motor is connected with the first connecting rod through a coupler, and the speed regulating motor is connected with a power supply through a power line.
Preferably, a rotating speed regulating valve is arranged on the side edge of the handle and used for regulating the rotating speed of the speed regulating motor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the rotational speed governing valve that sets up is used for adjusting the rotational speed of buncher, the buncher that sets up can drive first connective bar and rotate, thereby drive the whole rotation of cutter unit, cutter unit includes first connective bar, first connective bar fixedly connected with second connective bar, the second connective bar is fixed with the protection sheath, the side of protection sheath is fixed with the tool bit, the contained angle between first connective bar and the second connective bar is degree, degree or degree, the width of tool bit is 2 millimeters, 4 millimeters, 6 millimeters, 8 millimeters, 10 millimeters or 12 millimeters, thus removable different angles, the cutter unit of different diameters helps the backbone doctor to realize quick, high-efficient, safe, thorough intervertebral bone grafting preparation;
2. in the utility model, different angles are changed according to the operation requirement to enlarge the bone grafting range in the intervertebral space treatment, and the side edge of the second connecting rod is marked with the depth scale value, so that the depth can be conveniently known by the operation doctor, and the damage to the front structure of the intervertebral disc (anterior fibrous ring, anterior longitudinal ligament, important blood vessel tissue of abdominal cavity and the like) caused by the too deep operation of the cutter head can be avoided; the protection sheath aim at during operation protection posterior dura mater, the tool bit design in the place ahead is different diameters, fixes on the protection sheath through the fixed rod of same length, and the purpose of different diameters is by shallow to dark processing bone grafting bed degree of depth, and the fixed rod of same length is in order to guarantee the unification of the degree of depth scale of second connective bar when changing the tool bit.
Drawings
Fig. 1 is a schematic structural view of a special treatment abrasive drill for lumbar intervertebral space provided by the utility model;
fig. 2 is a schematic structural view of a cutter assembly of the special lumbar intervertebral disc treatment abrasive drill of the present invention, wherein an included angle between a first connecting rod and a second connecting rod is 90 degrees;
fig. 3 is a schematic structural view of a cutter assembly of the special lumbar intervertebral disc treatment abrasive drill of the present invention, wherein an included angle between a first connecting rod and a second connecting rod is 0 degree;
fig. 4 is a schematic structural view of a cutter assembly of the special lumbar intervertebral disc treatment abrasive drill of the present invention, wherein an included angle between the first connecting rod and the second connecting rod is 135 degrees;
figure 5 is a lumbar single segment vertebral body anatomy.
In the figure: 1 power cord, 2 handles, 3 rotational speed governing valves, 4 cutter subassemblies, 41 first connective bar, 42 second connective bar, 43 protection sheath, 44 tool bits.
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.
Referring to fig. 1-5, a lumbar intervertebral disc space special treatment abrasive drilling, includes handle 2, and handle 2 rotates through actuating mechanism and installs cutter unit 4, and cutter unit 4 includes first connective bar 41, and first connective bar 41 fixedly connected with second connective bar 42, and second connective bar 42 is fixed with protective sheath 43, and protective sheath 43's side is fixed with tool bit 44 through the fixed stick.
The included angle between the first connecting rod 41 and the second connecting rod 42 is 0 degree, 90 degrees or 135 degrees, and the side edge of the second connecting rod 42 is marked with a depth scale value.
The width of the cutting head 44 is 2 mm, 4 mm, 6 mm, 8 mm, 10 mm or 12 mm.
The driving mechanism is a speed regulating motor, the speed regulating motor is connected with the first connecting rod 41 through a coupler, the speed regulating motor is connected with a power supply through a power line 1, a rotating speed regulating valve 3 is arranged on the side edge of the handle 2, and the rotating speed regulating valve 3 is used for regulating the rotating speed of the speed regulating motor.
The working principle is as follows: the utility model discloses in the rotational speed governing valve 3 that sets up be used for adjusting buncher's rotational speed, the buncher that sets up can drive first connective bar 41 and rotate, thereby it wholly rotates to drive cutter unit 4, cutter unit 4 includes first connective bar 41, first connective bar 41 fixedly connected with second connective bar 42, second connective bar 42 is fixed with protective sheath 43, protective sheath 43's side is fixed with tool bit 44, the contained angle between first connective bar 41 and the second connective bar 42 is 0 degree, 90 degrees or 135 degrees, tool bit 44's width is 2 millimeters, 4 millimeters, 6 millimeters, 8 millimeters, 10 millimeters or 12 millimeters, removable different angles like this, different diameters's cutter unit 4 helps the backbone doctor to realize fast, high efficiency, safety, thorough intervertebral bone grafting preparation;
the bone grafting range is expanded in the intervertebral space treatment by changing different angles according to the operation requirement, and the side edge of the second connecting rod 42 is marked with a depth scale value, so that an operator can conveniently know the depth, and the injury to the front structure of the intervertebral disc (front fibrous ring, anterior longitudinal ligament, important blood vessel tissue of abdominal cavity and the like) caused by the over-depth of the cutter head 44 during the operation is avoided; the protection sheath 43 is arranged to protect the posterior dura mater during working, the front cutter head 44 is designed to have different diameters and is fixed on the protection sheath 43 through fixing rods with the same length, the different diameters aim at treating the depth of the bone grafting bed from shallow to deep, and the fixing rods with the same length aim at ensuring the uniformity of the depth scales of the second connecting rod 42 when the cutter head 44 is replaced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a lumbar vertebrae intervertebral disc space special treatment abrasive drilling, includes handle (2), its characterized in that, handle (2) are rotated through actuating mechanism and are installed cutter unit (4), cutter unit (4) are including first connective bar (41), first connective bar (41) fixedly connected with second connective bar (42), second connective bar (42) are fixed with protection sheath (43), the side of protection sheath (43) is fixed with tool bit (44) through the fixed rod.
2. The special treatment burr for lumbar intervertebral disc of claim 1, wherein the included angle between the first connecting rod (41) and the second connecting rod (42) is 0 degree, 90 degrees or 135 degrees, and the side edge of the second connecting rod (42) is marked with a depth scale value.
3. The special treatment burr for lumbar intervertebral disc according to claim 1, characterized in that the width of the cutting head (44) is 2 mm, 4 mm, 6 mm, 8 mm, 10 mm or 12 mm.
4. The special treatment abrasive drill for lumbar intervertebral space according to claim 1, wherein the driving mechanism is a speed-regulating motor, the speed-regulating motor is connected with the first connecting rod (41) through a coupler, and the speed-regulating motor is connected with a power supply through a power line (1).
5. The special treatment abrasive drill for lumbar intervertebral disc according to claim 4, characterized in that the side of the handle (2) is provided with a speed regulating valve (3), and the speed regulating valve (3) is used for regulating the speed of a speed regulating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130629.5U CN212996690U (en) | 2020-06-17 | 2020-06-17 | Special processing abrasive drill for lumbar intervertebral space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130629.5U CN212996690U (en) | 2020-06-17 | 2020-06-17 | Special processing abrasive drill for lumbar intervertebral space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212996690U true CN212996690U (en) | 2021-04-20 |
Family
ID=75496049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021130629.5U Expired - Fee Related CN212996690U (en) | 2020-06-17 | 2020-06-17 | Special processing abrasive drill for lumbar intervertebral space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212996690U (en) |
-
2020
- 2020-06-17 CN CN202021130629.5U patent/CN212996690U/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: 20210420 |