CN209004076U - A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel - Google Patents
A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel Download PDFInfo
- Publication number
- CN209004076U CN209004076U CN201820462323.6U CN201820462323U CN209004076U CN 209004076 U CN209004076 U CN 209004076U CN 201820462323 U CN201820462323 U CN 201820462323U CN 209004076 U CN209004076 U CN 209004076U
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- CN
- China
- Prior art keywords
- shell
- fixedly connected
- arc fixture
- fixed plate
- fixture block
- 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.)
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Abstract
The utility model discloses a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channels, including shell, it is horizontal in the shell to be equipped with threaded rod, the threaded rod both ends are rotatablely connected with inner walls, the threaded rod is equipped with two sections of opposite screw threads, the shell one side wall is equipped with opening, the shell side is symmetrically arranged with two arc fixture blocks, the sliding block is fixedly connected by fixed mechanism with arc fixture block, fixing sleeve is equipped with driven wheel of differential on the threaded rod, the drive bevel gear has been fixedly and coaxially connected shaft, the one end of the shaft far from drive bevel gear extends to outside through shell and has been fixedly and coaxially connected switch block, the shell is equipped with handle far from the side of arc fixture block, the handle is fixedly connected with the casing by rotating member, the rotating member is equipped with multiple locking knobs for limiting its rotation.The utility model is structurally reasonable, carries out Minimally Invasive Surgery convenient for doctor, while clamping mode is secured.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channels.
Background technique
Minimally invasive procedure technology means to avoid big notch under certain medical-risk, using miniature incision or puncture logical
Road reaches under image instrument monitoring or under airmanship guidance from normal anatomical structure with special instrument and device
Lesion completes entire surgical procedure under the conditions of visual, to reach using various miniature manually or electrically instruments and equipment
Than tradition or standard spinal operation notch it is small, tissue trauma is small, bleeding is few, manipulation accuracy is high, effect affirmative, postoperative function
For the purpose of restoring fast." spinal surgery " (minimally invasive spine surgery) is than " hysteroscope surgery ", " scope
Surgery " (endoscopy surgery), " small notch surgery " (smaU incision surgery) and " microsurgery
(mlcrosurgery) more extensive.Existing Minimally Invasive Surgery channel design is complex, and clamping mode is not firm enough.
For this purpose, it is proposed that a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel solves the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of Via Posterior Spinal Approach proposed is micro-
Invasive procedures channel.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel, including shell, it is horizontal in the shell to be equipped with threaded rod, the threaded rod
Both ends are rotatablely connected with inner walls, and the threaded rod is equipped with two sections of opposite screw threads, are symmetrically arranged with two in the shell
A sliding block is respectively equipped on two pieces of sliding blocks and is equipped with opening with two sections of matched threaded holes of screw thread, the shell one side wall,
The shell side is symmetrically arranged with two arc fixture blocks, and the sliding block is fixedly connected by fixed mechanism with arc fixture block, described
Fixing sleeve is equipped with driven wheel of differential on threaded rod, is equipped with drive bevel gear in the shell, the drive bevel gear with from mantle
Gear engagement, the drive bevel gear have been fixedly and coaxially connected shaft, and the shaft runs through shell far from one end of drive bevel gear
Body extends to outside and has been fixedly and coaxially connected switch block, and the shell is equipped with handle, the handle far from the side of arc fixture block
It is fixedly connected with the casing by rotating member, the rotating member is equipped with multiple locking knobs for limiting its rotation.
Preferably, the fixed mechanism includes the first fixed plate and the second fixed plate being fixedly connected with a slide block, and described
The one end of one fixed plate far from sliding block is fixedly connected with arc fixture block, is equipped with and is fixed between second fixed plate and arc fixture block
Bar, described fixed link one end is fixedly connected with arc fixture block, and the fixed link other end is fixedly connected with the second fixed plate.
Preferably, the rotating member includes the third fixed plate being fixedly connected with the casing, and the third fixed plate passes through the
One rotation axis is rotatably connected to the 4th fixed plate, and the locking knob of its restricted rotation is fixedly connected in the 4th fixed plate,
4th fixed plate is rotatablely connected by the second rotation axis and handle, and the lock of its restricted rotation is fixedly connected on the handle
Tight knob, first rotation axis and the second rotation axis are orthogonal.
Preferably, the side of the arc fixture block is equipped with optical cable stop collar, and the optical cable stop collar is fixed with arc fixture block
Connection.
Preferably, the arc fixture block, shell and fixed mechanism are all made of harmless titanium metal material.
Compared with prior art, the utility model has the following beneficial effects: by being arranged threaded rod in shell, on threaded rod
Equipped with two sections of opposite screw threads, screw thread is socketed with two sliding blocks on threaded rod, and shell side is symmetrically arranged with two arc fixture blocks, arc
Shape fixture block is fixedly connected with a slide block by fixed mechanism, on threaded rod fixing sleeve be equipped with driven wheel of differential, drive bevel gear with from
Dynamic bevel gear engagement, shell are externally provided with switch block, and switch block is fixedly and coaxially connected by shaft and drive bevel gear, by rotating switch block
Arc fixture block clamping puncture channel can quickly be made, it is convenient and efficient, improve the procedure efficiency of doctor, shell by rotating member with
Handle is fixedly connected, and can arbitrarily change the angle between shell and handle, and the convenient use to device increases surgical
Convenience.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel structural schematic diagram；
Fig. 2 be the utility model proposes a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel side structure schematic view.
In figure: 1 shell, 2 threaded rods, 3 sliding blocks, 4 arc fixture blocks, 5 fixed mechanisms, 6 driven wheel of differential, 7 drive bevel gears,
8 shafts, 9 switch blocks, 10 handles, 11 rotating members, 12 locking knobs, 13 first fixed plates, 14 second fixed plates, 15 fixed links, 16
Third fixed plate, 17 the 4th fixed plates, 18 optical cable stop collars.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel, including shell 1, it is horizontal in shell 1 to be equipped with threaded rod 2,
2 both ends of threaded rod are rotatablely connected with 1 inner wall of shell, and threaded rod 2 is equipped with two sections of opposite screw threads, are symmetrically arranged in shell 1
Two sliding blocks 3 are respectively equipped on two pieces of sliding blocks 3 and are equipped with opening, shell with two sections of matched threaded holes of screw thread, 1 one side wall of shell
1 side of body is symmetrically arranged with two arc fixture blocks 4, and the side of arc fixture block 4 is equipped with optical cable stop collar 18, can limit optical cable
Position, avoids optical cable from impacting operation when using optical microphotograph instrument, optical cable stop collar 18 and the fixed company of arc fixture block 4
It connects, sliding block 3 is fixedly connected by fixed mechanism 5 with arc fixture block 4, and arc fixture block 4, shell 1 and fixed mechanism 5 are all made of to people
The harmless titanium metal material of body, arc fixture block 4, shell 1 and fixed mechanism 5 may be contacted with minimally invasive place at the time of surgery, be used
Titanium metal material avoids having an impact patient.
Fixed mechanism 5 includes the first fixed plate 13 and the second fixed plate 14 being fixedly connected with sliding block 3, the first fixed plate 13
One end far from sliding block 3 is fixedly connected with arc fixture block 4, and fixed link 15 is equipped between the second fixed plate 14 and arc fixture block 4, Gu
15 one end of fixed pole is fixedly connected with arc fixture block 4, and 15 other end of fixed link is fixedly connected with the second fixed plate 14, threaded rod 2
Upper fixing sleeve is equipped with driven wheel of differential 6, is equipped with drive bevel gear 7 in shell 1, and drive bevel gear 7 is engaged with driven wheel of differential 6,
Drive bevel gear 7 has been fixedly and coaxially connected shaft 8, and the one end of shaft 8 far from drive bevel gear 7 extends to outside through shell 1
And be fixedly and coaxially connected switch block 9, shell 1 far from arc fixture block 4 side be equipped with handle 10, handle 10 by rotating member 11 with
Shell 1 is fixedly connected, and rotating member 11 includes the third fixed plate 16 being fixedly connected with shell 1, and third fixed plate 16 passes through first
Rotation axis is rotatably connected to the 4th fixed plate 17, and the locking knob 12 of its restricted rotation is fixedly connected in the 4th fixed plate 17,
4th fixed plate 17 is rotatablely connected by the second rotation axis and handle 10, and the locking of its restricted rotation is fixedly connected on handle 10
Knob 12, the first rotation axis and the second rotation axis are orthogonal, and rotating member 11 is equipped with multiple locking knobs for limiting its rotation
12, locking knob 12 is the prior art.
In the utility model, it is equipped with threaded rod 2 by horizontal in shell 1, threaded rod 2 is equipped with two sections of opposite spiral shells
Line, screw thread is socketed with two sliding blocks 3 on threaded rod 2, and 1 one side wall of shell is equipped with opening, and 1 side of shell is symmetrically arranged with two arcs
Shape fixture block 4, sliding block 3 are fixedly connected by fixed mechanism 5 with arc fixture block 4, and by rotating switch block 9, switch block 9 is fixedly and coaxially connected
There is shaft 8, shaft 8 extends in shell 1 far from one end of switch block 9 and be fixedly and coaxially connected drive bevel gear 7, the screw thread
Fixing sleeve is equipped with driven wheel of differential 6 on bar 2, and drive bevel gear 7 is engaged with driven wheel of differential 6, can change two by switch block 9
The position of arc fixture block 4, shell 1 are equipped with handle 10 far from the side of arc fixture block 4, and handle 10 passes through rotating member 11 and shell 1
It is fixedly connected, rotating member 11 is equipped with multiple locking knobs 12 for limiting its rotation, thus it is possible to vary between shell 1 and handle 10
Angle.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel, including shell (1), it is characterised in that: horizontal in the shell (1) to be equipped with spiral shell
Rasp bar (2), threaded rod (2) both ends are rotatablely connected with shell (1) inner wall, and the threaded rod (2) is equipped with two sections on the contrary
Screw thread, is symmetrically arranged with two sliding blocks (3) in the shell (1), is respectively equipped with and two sections of screw threads on two pieces of sliding blocks (3)
The threaded hole matched, shell (1) one side wall are equipped with opening, and shell (1) side is symmetrically arranged with two arc fixture blocks
(4), the sliding block (3) is fixedly connected by fixed mechanism (5) with arc fixture block (4), and fixing sleeve is equipped on the threaded rod (2)
Driven wheel of differential (6), the shell (1) is interior to be equipped with drive bevel gear (7), the drive bevel gear (7) and driven wheel of differential (6)
Engagement, the drive bevel gear (7) have been fixedly and coaxially connected shaft (8), and the one of the shaft (8) separate drive bevel gear (7)
End extends to outside and has been fixedly and coaxially connected switch block (9) through shell (1), and the one of the shell (1) separate arc fixture block (4)
Side is equipped with handle (10), and the handle (10) is fixedly connected by rotating member (11) with shell (1), sets on the rotating member (11)
There are multiple locking knobs (12) for limiting its rotation.
2. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel according to claim 1, which is characterized in that the fixed mechanism (5)
Including the first fixed plate (13) and the second fixed plate (14) being fixedly connected with sliding block (3), first fixed plate (13) is separate
One end of sliding block (3) is fixedly connected with arc fixture block (4), is equipped between second fixed plate (14) and arc fixture block (4) solid
Fixed pole (15), described fixed link (15) one end are fixedly connected with arc fixture block (4), and fixed link (15) other end and second is fixed
Plate (14) is fixedly connected.
3. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel according to claim 1, which is characterized in that rotating member (11) packet
The third fixed plate (16) being fixedly connected with shell (1) is included, the third fixed plate (16) is rotatablely connected by the first rotation axis
There is the 4th fixed plate (17), the locking knob (12) of its restricted rotation is fixedly connected on the 4th fixed plate (17), it is described
4th fixed plate (17) is rotatablely connected by the second rotation axis and handle (10), be fixedly connected on the handle (10) it is restricted its
The locking knob (12) of rotation, first rotation axis and the second rotation axis are orthogonal.
4. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel according to claim 1, which is characterized in that the arc fixture block (4)
Side be equipped with optical cable stop collar (18), the optical cable stop collar (18) is fixedly connected with arc fixture block (4).
5. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel according to claim 1, which is characterized in that the arc fixture block (4),
Shell (1) and fixed mechanism (5) are all made of harmless titanium metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462323.6U CN209004076U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462323.6U CN209004076U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004076U true CN209004076U (en) | 2019-06-21 |
Family
ID=66828725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462323.6U Expired - Fee Related CN209004076U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895165A (en) * | 2021-02-23 | 2021-06-04 | 安徽中隧典凯建设工程有限公司 | Batch drilling structure of large-area shield segments for tunnel engineering |
-
2018
- 2018-03-30 CN CN201820462323.6U patent/CN209004076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895165A (en) * | 2021-02-23 | 2021-06-04 | 安徽中隧典凯建设工程有限公司 | Batch drilling structure of large-area shield segments for tunnel engineering |
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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: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |