CN209136711U - A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool - Google Patents
A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool Download PDFInfo
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- CN209136711U CN209136711U CN201820462331.0U CN201820462331U CN209136711U CN 209136711 U CN209136711 U CN 209136711U CN 201820462331 U CN201820462331 U CN 201820462331U CN 209136711 U CN209136711 U CN 209136711U
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- Prior art keywords
- roll adjustment
- adjustment case
- screw thread
- screw rod
- sliding block
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Abstract
The utility model discloses a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tools, including roll adjustment case, the lower end of the roll adjustment case is equipped with supporting mechanism, the inside of the roll adjustment case is equipped with screw rod, the inner sidewall of roll adjustment case is run through in one end of the screw rod and extension is connected with turntable, the roll adjustment case is installed with bearing in the junction of screw rod, and the middle part of the screw rod is symmetrically arranged there are two ball nut, and the outer wall of two ball nuts is arranged with sliding block.The utility model passes through setting rotating disc and screw rod, screw rod rotation, ball nut is opposite or reverse motions, thus according to spacing meet demand between two sliding blocks of wound width adjusting, it is rotated by setting ratchet knob, first bevel gear drives second bevel gear rotation, is tilted a certain angle drag hook according to patient muscle tissue's situation, reaches better support effect, position limitation is carried out to bull stick by setting thread bush, bar rotation is prevented, drag hook skids, and influences procedure.
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 tools.
Background technique
Vertebral column minimally invasive means to avoid big notch under certain medical-risk, using miniature incision or puncture channel, use
Special instrument and device under image instrument monitoring or under airmanship guidance, reaches lesion from normal anatomical structure,
Using various miniature manually or electrically instruments and equipment, entire surgical procedure is completed under the conditions of visual, to reach than tradition
Or the spinal operation notch of standard is small, tissue trauma is small, bleeding is few, manipulation accuracy is high, effect affirmative, postoperative function restore fast
For the purpose of.It is needed in carrying out the minimally invasive nail stick operation of Via Posterior Spinal Approach using Via Posterior Spinal Approach Minimally Invasive Surgery tool, to skin, tissue bone
The drawing of bone struts, to facilitate surgical operation, the dentalation point of Via Posterior Spinal Approach Minimally Invasive Surgery tool in the prior art
End is excessively sharp, artificial to disease to influence the postoperative recovery of patient at secondary injury, inadequate to the drag hook depth of obese patient
Sufficiently, the soft tissues such as muscle cannot sufficiently be stopped, visual field exposure is not enough, and influences surgical procedure.
Utility model content
Purpose of the utility model is to solve the dentalations of Via Posterior Spinal Approach Minimally Invasive Surgery tool in the prior art
Tip is excessively sharp, artificial to disease to influence the postoperative recovery of patient at secondary injury, not to the drag hook depth of obese patient
Enough sufficiently sufficiently to stop the soft tissues such as muscle, the visual field exposes the problem of being not enough, influencing surgical procedure, and propose
A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool, including roll adjustment case, the lower end of the roll adjustment case is equipped with supporting mechanism, described
The inside of roll adjustment case is equipped with screw rod, and one end of the screw rod runs through the inner sidewall of roll adjustment case and extension is connected with turntable, the tune
Bearing is installed in the junction of screw rod away from case, and the middle part of the screw rod is symmetrically arranged that there are two ball nuts, described in two
The outer wall of ball nut is arranged with sliding block, the one end of the sliding block far from roll adjustment case through roll adjustment case inner sidewall and to extension
Stretch, the inside of the sliding block offers cavity, and the cavity inner wall is rotatably connected to bull stick, the bull stick far from roll adjustment case one
End is through cavity and extends outwardly, and the side wall of the bull stick outside cavity, which is carved, is equipped with the first external screw thread, the sliding block
Side wall offers circular groove on the corresponding position of bull stick, and the inner wall of the circular groove offers the second internal screw thread, the first outer spiral shell
Line and the second internal screw thread are threaded with thread bush jointly, and the inner wall of the thread bush is carved to be equipped with to match with the first external screw thread
First internal screw thread, the outer wall of the thread bush carve the second external screw thread for being equipped with and matching with the second internal screw thread, the sliding block it is upper
End is equipped with ratchet knob, and the lower end of the ratchet knob is fixedly connected with connecting rod, the connecting rod through sliding block upper surface and to
The internal stretch of cavity, the connecting rod and sliding block are rotatablely connected, and the connecting rod is fixedly connected with far from one end of ratchet knob
First bevel gear is arranged with second bevel gear in the middle part of the bull stick, and the first bevel gear and second bevel gear are intermeshed,
The side wall of the bull stick is fixedly connected with multiple equally distributed drag hooks.
Preferably, the supporting mechanism includes two symmetrically arranged Auxiliary support legs, and two Auxiliary support legs are equal
It is rotatablely connected with the lower end of roll adjustment case.
Preferably, the opposite side side wall of two Auxiliary support legs is fixedly connected with adjustable spring jointly.
Preferably, the lower end of each drag hook is through grinding process.
Preferably, the screw rod is equipped with oppositely oriented screw thread on the corresponding position of two sliding blocks.
Preferably, the side wall of the turntable and the side wall of ratchet knob are equipped with anti-skid chequer.
In the utility model, by rotating turntable, rotate screw rod, due to the spiral shell on the corresponding position of sliding block of screw rod
Line is oppositely oriented, and two ball nuts understand opposite or reverse motions, and then are adjusted between two sliding blocks according to wound width
Spacing, rotary motion button drive first bevel gear rotation, and first bevel gear drives second bevel gear rotation, and then bar rotation,
Drag hook stops and screws in thread bush after turning an angle according to the deep intramuscular and soft tissue concrete condition of patient, passes through first
Internal screw thread fixes the position of bull stick with the second externally threaded cooperation realization with the first external screw thread and the second internal screw thread, and drag hook passes through
Polishing will not secondary injury patient tissue, be conducive to post-operative recovery, two Auxiliary support legs and adjustable spring to roll adjustment case carry out
Auxiliary support.The utility model is by setting rotating disc and screw rod, screw rod rotation, and ball nut is opposite or reverse motions, thus
It according to spacing meet demand between two sliding blocks of wound width adjusting, is rotated by setting ratchet knob, first bevel gear drives the
The rotation of two bevel gears, is tilted a certain angle drag hook according to patient muscle tissue's situation, reaches better support effect, by setting
It sets thread bush and position limitation is carried out to bull stick, prevent bar rotation, drag hook skids, and influences procedure.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool overlooking structure diagram；
Fig. 2 be the utility model proposes a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool side structure schematic view；
Fig. 3 be the utility model proposes a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool roll adjustment case connect with Auxiliary support leg
Structural schematic diagram；
Fig. 4 be the utility model proposes a kind of structural representation that is connect with bull stick of Via Posterior Spinal Approach Minimally Invasive Surgery tool slider
Figure.
In figure: 1 turntable, 2 sliding blocks, 3 screw rods, 4 roll adjustment casees, 5 bull sticks, 6 drag hooks, 7 thread bush, 8 ratchet knobs, 9 connecting rods, 10
First bevel gear, 11 second bevel gears, 12 Auxiliary support legs, 13 adjustable springs, 14 bearings, 15 first internal screw threads, outside 16 second
Screw thread.
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.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-4, the lower end of a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool, including roll adjustment case 4, roll adjustment case 4 is equipped with support
Mechanism, supporting mechanism include two symmetrically arranged Auxiliary support legs 12, lower end of two Auxiliary support legs 12 with roll adjustment case 4
Rotation connection, the opposite side side wall of two Auxiliary support legs 12 are fixedly connected with adjustable spring 13, two Auxiliary supports jointly
Leg 12 and adjustable spring 13 carry out Auxiliary support to roll adjustment case 4, and the inside of roll adjustment case 4 is equipped with screw rod 3, and one end of screw rod 3 is run through
The inner sidewall of roll adjustment case 4 and extension is connected with turntable 1, roll adjustment case 4 is installed with bearing 14 in the junction of screw rod 3, screw rod 3
Middle part is symmetrically arranged there are two ball nut, and the outer wall of two ball nuts is arranged with sliding block 2, and screw rod 3 is in two sliding blocks 2
Corresponding position is equipped with oppositely oriented screw thread, and by rotating turntable 1, screw rod 3 is rotated, and sliding block 2 is opposite or reverse motions, thus
It is adjusted according to the width of patient's wound.
Sliding block 2 runs through the inner sidewall of roll adjustment case 4 far from one end of roll adjustment case 4 and extends outwardly, and the inside of sliding block 2 offers
Cavity, cavity inner wall are rotatably connected to bull stick 5, and the one end of bull stick 5 far from roll adjustment case 4 is through cavity and extends outwardly, and is located at sky
The side wall of bull stick 5 outside chamber, which is carved, is equipped with the first external screw thread, and the side wall of sliding block 2 offers circular groove on the corresponding position of bull stick 5,
The inner wall of circular groove offers the second internal screw thread, and the first external screw thread and the second internal screw thread are threaded with thread bush 7, thread bush jointly
7 inner wall carves the first internal screw thread 15 for being equipped with and matching with the first external screw thread, and the outer wall of thread bush 7, which is carved, to be equipped with and the second internal screw thread
The upper end of the second external screw thread 16 to match, sliding block 2 is equipped with ratchet knob 8, and the side wall of the side wall and ratchet knob 8 of turntable 1 is equipped with
Anti-skid chequer is realized by the cooperation of the first internal screw thread 15 and the first external screw thread and the second internal screw thread and the second external screw thread 16 to bull stick
5 position is fixed.
The lower end of ratchet knob 8 is fixedly connected with connecting rod 9, and connecting rod 9 runs through the upper surface of sliding block 2 and the inside to cavity
Extend, connecting rod 9 and sliding block 2 are rotatablely connected, and connecting rod 9 is fixedly connected with first bevel gear 10 far from one end of ratchet knob 8, are turned
The middle part of bar 5 is arranged with second bevel gear 11, and first bevel gear 10 and second bevel gear 11 are intermeshed, and the side wall of bull stick 5 is solid
Surely multiple equally distributed drag hooks 6 are connected with, through grinding process, drag hook 6 will not be secondary by polishing for the lower end of each drag hook 6
Patient harm tissue, is conducive to post-operative recovery.
In the utility model, by rotating turntable 1, rotate screw rod 3, since screw rod 3 is on the corresponding position of sliding block 2
Thread rotary orientation on the contrary, two ball nuts can opposite or reverse motions, and then adjusted according to wound width two sliding blocks 2 it
Between spacing, rotary motion button 8, drive first bevel gear 10 rotate, first bevel gear 10 drive second bevel gear 11 rotate, into
And bull stick 5 rotates, drag hook 6 stops after being turned an angle according to the deep intramuscular and soft tissue concrete condition of patient and screws in spiral shell
Line set 7 is realized by the cooperation of the first internal screw thread 15 and the first external screw thread and the second internal screw thread and the second external screw thread 16 to bull stick 5
Position fix, drag hook 6 by polishing will not secondary injury patient tissue, be conducive to post-operative recovery, two Auxiliary support legs 12
Auxiliary support is carried out to roll adjustment case 4 with adjustable spring 13.
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 (6)
1. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool, including roll adjustment case (4), which is characterized in that the lower end of the roll adjustment case (4) is set
There is supporting mechanism, the inside of the roll adjustment case (4) is equipped with screw rod (3), and one end of the screw rod (3) is through the interior of roll adjustment case (4)
Side wall and extend be connected with turntable (1), the roll adjustment case (4) is installed with bearing (14), the silk in the junction of screw rod (3)
The middle part of bar (3) is symmetrically arranged there are two ball nut, and the outer wall of two ball nuts is arranged with sliding block (2), described
Sliding block (2) runs through the inner sidewall of roll adjustment case (4) far from the one end of roll adjustment case (4) and extends outwardly, and the inside of the sliding block (2) is opened
Equipped with cavity, the cavity inner wall is rotatably connected to bull stick (5), and the bull stick (5) runs through cavity far from the one end of roll adjustment case (4)
And extend outwardly, the side wall of the bull stick (5) outside cavity, which is carved, is equipped with the first external screw thread, the side wall of the sliding block (2)
Circular groove is offered on the corresponding position of bull stick (5), the inner wall of the circular groove offers the second internal screw thread, first external screw thread
It is threaded with jointly thread bush (7) with the second internal screw thread, the inner wall of the thread bush (7), which is carved, to be equipped with and the first external screw thread phase
The first internal screw thread (15) matched, the outer wall of the thread bush (7) carve the second external screw thread for being equipped with and matching with the second internal screw thread
(16), the upper end of the sliding block (2) is equipped with ratchet knob (8), and the lower end of the ratchet knob (8) is fixedly connected with connecting rod (9), institute
The internal stretch of connecting rod (9) through the upper surface of sliding block (2) and to cavity is stated, the connecting rod (9) and sliding block (2) rotation connect
It connects, the connecting rod (9) is fixedly connected with first bevel gear (10) far from the one end of ratchet knob (8), the middle part of the bull stick (5)
It is arranged with second bevel gear (11), the first bevel gear (10) and second bevel gear (11) are intermeshed, the bull stick (5)
Side wall is fixedly connected with multiple equally distributed drag hooks (6).
2. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool according to claim 1, which is characterized in that the supporting mechanism includes
Two symmetrically arranged Auxiliary support legs (12), two Auxiliary support legs (12), which rotate with the lower end of roll adjustment case (4), to be connected
It connects.
3. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool according to claim 2, which is characterized in that two Auxiliary supports
The opposite side side wall of leg (12) is fixedly connected with adjustable spring (13) jointly.
4. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool according to claim 1, which is characterized in that each drag hook (6)
Lower end through grinding process.
5. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool according to claim 1, which is characterized in that the screw rod (3) is two
The corresponding position of a sliding block (2) is equipped with oppositely oriented screw thread.
6. a kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool according to claim 1, which is characterized in that the side of the turntable (1)
Wall and the side wall of ratchet knob (8) are equipped with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462331.0U CN209136711U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462331.0U CN209136711U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209136711U true CN209136711U (en) | 2019-07-23 |
Family
ID=67263315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462331.0U Expired - Fee Related CN209136711U (en) | 2018-03-30 | 2018-03-30 | A kind of Via Posterior Spinal Approach Minimally Invasive Surgery tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209136711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236617A (en) * | 2019-07-25 | 2019-09-17 | 西安交通大学医学院第一附属医院 | A kind of device for spreading for kidney transplantation operation |
-
2018
- 2018-03-30 CN CN201820462331.0U patent/CN209136711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236617A (en) * | 2019-07-25 | 2019-09-17 | 西安交通大学医学院第一附属医院 | A kind of device for spreading for kidney transplantation operation |
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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: 20190723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |