CN209074716U - Automatic nerve hook - Google Patents
Automatic nerve hook Download PDFInfo
- Publication number
- CN209074716U CN209074716U CN201820072715.1U CN201820072715U CN209074716U CN 209074716 U CN209074716 U CN 209074716U CN 201820072715 U CN201820072715 U CN 201820072715U CN 209074716 U CN209074716 U CN 209074716U
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- plate
- spinous process
- fixing clamp
- connector
- drag hook
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Abstract
This disclosure relates to a kind of automatic nerve hook, the automatic nerve hook includes the second bindiny mechanism of the first spinous process fixing clamp for being connected in adjacent spinous and the second spinous process fixing clamp and drag hook ontology, the first bindiny mechanism of connection the first spinous process fixing clamp and drag hook ontology, connection the second spinous process fixing clamp and drag hook ontology；The drag hook ontology includes the A plate, B plate and C plate being vertically arranged along its length, and two vertical edges of the A plate are connected with the B plate and C plate respectively so that drag hook ontology is formed as that dura mater and nerve root are pulled open to the U-lag for appearing interverbebral disc by A plate.The spinous process fixing clamp of the automatic nerve hook of the disclosure can be fixedly secured on spinous process, increase the stability of drag hook；Drag hook ontology is U-shaped groove-like structure, and A plate drawing is made to stop dura mater and walking nerve root, and B plate and C plate in head side and caudal protection exit nerve root and blocking and attract blood to prevent it from entering operating space respectively.
Description
Technical field
This disclosure relates to field of medical technology, and in particular, to a kind of automatic nerve hook.
Background technique
The protrasion of the lumbar intervertebral disci and lumbar spinal stenosis posterior decompression fusion are in the vertebra for carrying out dura mater and nerve root veutro
Before disc excision and soleplate processing, dura mater and nerve root need to be pulled to this sufficiently to appear operating space.At present clinically
This appears operation and is often completed by the chief second hand nerve probe drag hook on operating doctor opposite, since chief second usually can not be straight
Depending on operating area, operating doctor usually needs constantly to adjust assistant's drag hook direction and position；If the operating time is too long, assistant's drag hook
Dynamics and direction are often difficult to maintain and be displaced, and there are dura mater and neurotrosis risks；Meanwhile clinical epineural is drawn at present
Hook is thinner, is only capable of pulling open local dura mater, can not accomplish the whole process protection to operating area dura mater and nerve root.Intervertebral outstanding
Disk be in dome shape, surface relative smooth, traditional neural drag hook it is placed on it usually can by patient operate interfere and original
It is slided on position, further increases the risk of iatrogenic neurotrosis.A kind of nerve provided such as CN20581436U is drawn
It hooks, cannot achieve the whole process protection to operating area dura mater and nerve root.
Utility model content
Purpose of this disclosure is to provide a kind of simple and practical automatic nerve hooks.
To achieve the goals above, the disclosure provides a kind of automatic nerve hook, and the automatic nerve hook includes being used for
The the first spinous process fixing clamp and the second spinous process fixing clamp and drag hook ontology that are connected in adjacent spinous, connection first spine
First bindiny mechanism of prominent fixing clamp and drag hook ontology, the second connection machine for connecting the second spinous process fixing clamp and drag hook ontology
Structure；The drag hook ontology includes the A plate, B plate and C plate being vertically arranged along its length, two vertical edges of the A plate respectively with institute
It states B plate to be connected with C plate so that drag hook ontology is formed as that dura mater and nerve root are pulled open to the U-lag for appearing interverbebral disc by A plate, institute
It states the first bindiny mechanism and the second bindiny mechanism is connected to the top of the A plate.
Optionally, the B plate and C intralamellar part from top to bottom run through the attraction channel having for connecting vacuum suction equipment.
Optionally, the automatic nerve hook further includes suction pipeline, and one end of the suction pipeline and described attract are led to
The top in road is connected to, and the other end is fixed on the first spinous process fixing clamp or the second spinous process fixing clamp to be set with connecting vacuum suction
It is standby.
Optionally, the A plate is formed as extending up and down to be close to the arch of the interverbebral disc.
Optionally, the radius of curvature of the arch in the horizontal plane is greater than the disc herniation part in the horizontal plane
Radius of curvature is to guarantee being bonded between drag hook and interverbebral disc.
Optionally, first bindiny mechanism and the second bindiny mechanism respectively include and the first spinous process fixing clamp or
The first connected connector of two spinous process fixing clamps, the second connector being connected with the drag hook ontology and both ends articulated connection
The third connector of first connector and the second connector.
Optionally, it is connected by locating part with second connector in the middle part of the third connector, the locating part is
Compressed spring or piston device, the piston device include piston cylinder and protrude into the piston in the piston cylinder, the piston cylinder
Hinged with second connector with one of piston, another one and the third connector are hinged.
Optionally, first connector is L shape bar, and second connector is vertical bar.
Optionally, protrusion is provided on the clamping face of the first spinous process fixing clamp and the second spinous process fixing clamp.
Optionally, first bindiny mechanism and the second bindiny mechanism respectively include more connecting rods and connection connecting rod
Oscillating bearing, the oscillating bearing can be locked by bolt.
The disclosure has the advantages that spinous process fixing clamp can be fixedly secured on spinous process, increases the stability of drag hook；It draws
Hook ontology is U-shaped groove-like structure, and A plate drawing is made to stop dura mater and walking nerve root, and B plate and C plate are protected in head side and caudal respectively
Shield exiting nerve root and blocking simultaneously attract blood to prevent it from entering operating space.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of specific embodiment of automatic nerve hook that the disclosure provides.
Fig. 2 is the structural schematic diagram for the automatic nerve hook another kind specific embodiment that the disclosure provides.
Fig. 3 is the structural schematic diagram for automatic another specific embodiment of nerve hook that the disclosure provides.
Fig. 4 is a kind of structural schematic diagram of specific embodiment of drag hook ontology that the disclosure provides.
Fig. 5 is the structural schematic diagram for the drag hook ontology another kind specific embodiment that the disclosure provides.
Description of symbols
100 spinous process, 200 interverbebral disc, 300 centrum
1 first 2 second spinous process fixing clamp of spinous process fixing clamp, 3 drag hook ontology
4 first bindiny mechanism, 5 second bindiny mechanism
11 first 12 second connector of connector, 13 third connector
14 locating part, 15 piston cylinder, 16 piston
31A plate 32B plate 33C plate
34 attraction channel, 35 suction pipeline
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, bottom, top " typically refers to
" upper and lower, the bottom, top " of automatic nerve hook in actual use, can specifically refer to the page of Fig. 1-2.
As shown in Figs 1-4, the disclosure provides a kind of automatic nerve hook, and the automatic nerve hook includes for being connected to
The first spinous process fixing clamp 1 and the second spinous process fixing clamp 2 and drag hook ontology 3, connection first spine in adjacent spinous 100
First bindiny mechanism 4 of prominent fixing clamp 1 and drag hook ontology 3 connects the second of the second spinous process fixing clamp 2 and drag hook ontology 3
Bindiny mechanism 5；The drag hook ontology 3 includes A plate 31, B plate 32 and the C plate 33 being vertically arranged along its length, the A plate 31
Two vertical edges be connected with the B plate 32 and C plate 33 respectively so that drag hook ontology 3 is formed as dura mater and nerve through A plate 31
Root pulls open the U-lag for appearing interverbebral disc 200, and first bindiny mechanism 4 and the second bindiny mechanism 5 are connected to the A plate 31
Top.
As shown in Figs 1-4, the automatic nerve hook usage mode that the disclosure provides is as follows: will pass through drag hook ontology 3 first
It places in place, dura mater and nerve root is pulled into operator opposite side to appear interverbebral disc, the drawing of A plate 31 is made to stop dura mater
And walking nerve root, B plate 32 and C plate 33 in head side and caudal protection exit nerve root and blocking and attract blood to prevent it respectively
Into operating space, then the first spinous process fixing clamp 1 and the second spinous process fixing clamp 2 are separately fixed in adjacent spinous 100, and makes
First bindiny mechanism 4 and 5 connection fixing clamp of the second bindiny mechanism and drag hook ontology realize the positioning and automatic drawing of drag hook ontology
Hook improves the stability of drag hook.First bindiny mechanism 4 and the second bindiny mechanism 5 can be set to the universal structure locked,
Such as can respectively include the oscillating bearing of more connecting rods and connection connecting rod, the oscillating bearing can be locked by bolt,
And connecting rod can be connected by oscillating bearing with fixing clamp and drag hook ontology, so as to provide polygonal according to needs in art
The adjustment of degree and length locks after adjustment is satisfied, provides stable, lasting drawing protecting effect.
Since in the course of surgery, surgical procedure can make local hemorrhage, the attraction of hand-held connection vacuum suction equipment is needed
Device constantly removes local hemorrhage, prevents from influencing sight and operation.In order to realize the automatic progress of imbibition, as shown in figure 5, the B
It from top to bottom can be through the attraction channel 34 having for connecting vacuum suction equipment, to make to attract inside plate 32 and C plate 33
The lower end in channel is immersed in hydrops, and upper end connects vacuum suction equipment and carries out imbibition, it is not necessary that aspirator is manually operated, improves behaviour
The simplicity of work.
Vacuum suction equipment is connected in order to facilitate attraction channel, as shown in figure 4, the automatic nerve hook can also include
One end of suction pipeline 35, the suction pipeline 35 can be connected to the top of the attraction channel 34, and the other end can be fixed
In on the first spinous process fixing clamp 1 or the second spinous process fixing clamp 2 to connect vacuum suction equipment.Under preferable case, both sides
Suction pipeline passes through or winds the first bindiny mechanism 4 and the second bindiny mechanism from the first bindiny mechanism 4 and the second bindiny mechanism 5
5 outsides simultaneously extend to the first spinous process fixing clamp 1 and the second spinous process fixing clamp 2, increase the concealment of suction pipeline, make suction tube
Road does not influence surgical procedure.
During surgery, the interverbebral disc between A plate and spinous process is mutually close to, since disc herniation part is class domes,
A plate and interverbebral disc agree with degree when in order to improve drag hook, and as in Figure 3-5, the A plate 31 can be formed as extending up and down
To be close to the arch of the interverbebral disc 200, thus enable A plate close to and be stuck on interverbebral disc, prevent nerve hook from shifting.Into
One step, the radius of curvature of the arch in the horizontal plane are preferably greater than 200 protrusion of interverbebral disc in the horizontal plane
Radius of curvature improves the fixed stability of drag hook ontology so that arch be enable all to be close to 200 phase of interverbebral disc.
In the disclosure, the first bindiny mechanism 4 and the second bindiny mechanism 5 are used to connect spinous process fixing clamp and drag hook ontology,
Length and shape, which can according to need, to be adjusted, and is subject to and is realized connective stability.Due in the course of surgery, adjacent spinous
Distance can generate variation, in order to adapt to the variation, as shown in Figure 1, first bindiny mechanism 4 and the second bindiny mechanism 5 can
Respectively to include the first connector 11 being connected with the first spinous process fixing clamp 1 or the second spinous process fixing clamp 2 and the drag hook
The second connected connector 12 of ontology 3 and both ends are articulated and connected the third of first connector 11 and the second connector 12
Connector 13, so that spinous process is fixed when the gap of adjacent vertebral 300 being made to change and adjacent spinous distance is caused to change
The spacing of part and drag hook ontology with the first connector 11 and the second connector 12 can also connect angle with third connector 13
Variation and change, without manually adjusting the spacing of spinous process fixing piece and drag hook ontology, reduce surgical procedure.
Further, in order to make the first bindiny mechanism 4 and the second bindiny mechanism 5 that there is enough stability, such as Fig. 1-3 institute
Show, can be connected by locating part 14 with second connector 12 in the middle part of the third connector 13, the locating part 14 can
Think that compressed spring or piston device, the piston device may include piston cylinder 15 and protrude into the piston in the piston cylinder
16, between piston cylinder 15 and piston 16 by frictional force be connected, one of the piston cylinder 15 and piston 16 can with it is described
Second connector 12 is hinged, and another one can be hinged with the third connector 13, to make the first bindiny mechanism 4 and second
When bindiny mechanism 5 is by external force, it can be adjusted spacing with external force, and when external force disappears, the first bindiny mechanism 4 and the
State when two bindiny mechanisms 5 can be restored to the original state or be kept by external force.
When being changed due to the spacing of adjacent vertebral 300, centrum 300 does not occur with 200 lower part junction of interverbebral disc
Displacement, therefore keep spinous process 100 mobile to 200 two sides of interverbebral disc with arc relative to interverbebral disc 200, become to adapt to this kind displacement
Change, first connector 11 is preferably L shape bar, and second connector 12 is preferably vertical bar.
In the disclosure, in order to improve the fixing intensity between spinous process fixing clamp and spinous process, 1 He of the first spinous process fixing clamp
Protrusion can be set on the clamping face of second spinous process fixing clamp 2, it can be solid by bolt between the clamping face of spinous process fixing clamp
It is fixed.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of automatic nerve hook, which is characterized in that the automatic nerve hook includes for being connected to adjacent spinous (100)
On the first spinous process fixing clamp (1) and the second spinous process fixing clamp (2) and drag hook ontology (3), connection first spinous process fix
It presss from both sides the first bindiny mechanism (4) of (1) and drag hook ontology (3), connect the second spinous process fixing clamp (2) and drag hook ontology (3)
Second bindiny mechanism (5)；
The drag hook ontology (3) includes the A plate (31), B plate (32) and C plate (33) being vertically arranged along its length, the A plate
(31) two vertical edges are connected respectively so that drag hook ontology (3) is formed as through A plate (31) with the B plate (32) and C plate (33)
Dura mater and nerve root are pulled open to the U-lag for appearing interverbebral disc (200), first bindiny mechanism (4) and the second bindiny mechanism (5)
It is connected to the top of the A plate (31).
2. automatic nerve hook according to claim 1, which is characterized in that the B plate (32) and C plate (33) are internal by upper
To lower through the attraction channel (34) having for connecting vacuum suction equipment.
3. automatic nerve hook according to claim 2, which is characterized in that the automatic nerve hook further includes suction tube
The one end on road (35), the suction pipeline (35) is connected to the top of the attraction channel (34), and the other end is fixed on described
To connect vacuum suction equipment on one spinous process fixing clamp (1) or the second spinous process fixing clamp (2).
4. automatic nerve hook according to claim 1, which is characterized in that the A plate (31) be formed as up and down extend with
It is close to the arch of the interverbebral disc (200).
5. automatic nerve hook according to claim 4, which is characterized in that the radius of curvature of the arch in the horizontal plane
Greater than the radius of curvature of the interverbebral disc (200) protrusion in the horizontal plane to guarantee being bonded between drag hook and interverbebral disc.
6. automatic nerve hook according to claim 1, which is characterized in that first bindiny mechanism (4) and second connects
Connection mechanism (5) includes respectively the first connector being connected with the first spinous process fixing clamp (1) or the second spinous process fixing clamp (2)
(11), the second connector (12) being connected with the drag hook ontology (3) and both ends articulated connection first connector (11)
With the third connector (13) of the second connector (12).
7. automatic nerve hook according to claim 6, which is characterized in that pass through limit in the middle part of the third connector (13)
Position part (14) is connected with second connector (12), and the locating part (14) is compressed spring or piston device, the piston
Equipment includes piston cylinder (15) and protrudes into the piston (16) in the piston cylinder, and one in the piston cylinder (15) and piston (16)
Hingedly, another one and the third connector (13) are hinged for person and second connector (12).
8. automatic nerve hook according to claim 6 or 7, which is characterized in that first connector (11) is L shape
Bar, second connector (12) are vertical bar.
9. automatic nerve hook according to claim 1, which is characterized in that the first spinous process fixing clamp (1) and second
Protrusion is provided on the clamping face of spinous process fixing clamp (2).
10. automatic nerve hook according to claim 1, which is characterized in that first bindiny mechanism (4) and second connects
Connection mechanism (5) respectively includes the oscillating bearing of more connecting rods and connection connecting rod, and the oscillating bearing can be locked by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072715.1U CN209074716U (en) | 2018-01-16 | 2018-01-16 | Automatic nerve hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072715.1U CN209074716U (en) | 2018-01-16 | 2018-01-16 | Automatic nerve hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209074716U true CN209074716U (en) | 2019-07-09 |
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ID=67111987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820072715.1U Active CN209074716U (en) | 2018-01-16 | 2018-01-16 | Automatic nerve hook |
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| Country | Link |
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| CN (1) | CN209074716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795335A (en) * | 2022-06-24 | 2022-07-29 | 中南大学湘雅医院 | Incision opening device for minimally invasive surgery |
-
2018
- 2018-01-16 CN CN201820072715.1U patent/CN209074716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795335A (en) * | 2022-06-24 | 2022-07-29 | 中南大学湘雅医院 | Incision opening device for minimally invasive surgery |
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