CN208892717U - A kind of pedicle of vertebral arch detachment is cut - Google Patents
A kind of pedicle of vertebral arch detachment is cut Download PDFInfo
- Publication number
- CN208892717U CN208892717U CN201821051507.XU CN201821051507U CN208892717U CN 208892717 U CN208892717 U CN 208892717U CN 201821051507 U CN201821051507 U CN 201821051507U CN 208892717 U CN208892717 U CN 208892717U
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- clamp arm
- clamping part
- far
- pedicle
- hand
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Abstract
The utility model discloses a kind of pedicle of vertebral arch detachments to cut, including the first clamp arm being oppositely arranged and the second clamp arm, the first clamping part for pedicle of vertebral arch to be truncated and the second clamping part, the first hand-held part and the second hand-held part that facilitate force, in the middle part of the first clamp arm be rotatablely connected in the middle part of the second clamp arm and quick detachable；It is provided between first clamp arm and the first clamping part for driving the one end of the first clamping part far from the first clamp arm the first transmission shaft closed of opening a business synchronous with the first hand-held part；It is provided between second clamp arm and the second clamping part for driving the one end of the second clamping part far from the second clamp arm second driving shaft closed of opening a business synchronous with the second hand-held part；The tip of first clamping part and the second clamping part is that interior lateral margin is sharp keen, the blunt flat, lateral border in tip is thicker than interior lateral margin and not sharp keen；The pedicle of vertebral arch of lesion vertebra can be quickly truncated in the utility model, shorten operating time, reduce the risk of bleeding and neurotrosis.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of pedicle of vertebral arch detachment is cut.
Background technique
Backbone primary tumo(u)r and spinal metastasis disease incidence are in rising trend, the raising recognized with specialist the disease
With continuously improving for coherent video technology, the recall rate of tumor of spine also increases year by year.More the good news is with surgical technic
Continuous innovation, Total spondylectomy surgical technic is also increasingly mature.Although the operation as spinal surgery circle it is the most tall and big on
Modus operandi, for partial spinal column tumor patient have cure rate is high, reduce recur, improve the quality of living, extend the service life etc. it is excellent
Point, but it still has the shortcomings that operation wound is big, lasts length, bleeding is more, risk is high.Wherein, the big process of pedicle of vertebral arch is handled
Often it is important speed limit link.Conventional method is to achieve the purpose that pedicle of vertebral arch is truncated by scroll saw osteotomy, but thread saw
Process usually takes a long time (1-2.5 hours), and bleeding is more, is easy injured nerve root and endorchis, will affect sometimes entire
Operation is gone on smoothly.
Utility model content
The purpose of the utility model is to provide a kind of pedicle of vertebral arch detachments to cut, and its object is to the vertebra of lesion vertebra is quickly truncated
Nut shortens operating time, reduces the risk of bleeding and neurotrosis.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pedicle of vertebral arch detachment is cut, including the first clamp arm being oppositely arranged and the second clamp arm, for pedicle of vertebral arch to be truncated
One end of one clamping part and the second clamping part, first clamping part and the second clamping part respectively with first clamp arm and second
One end of clamp arm is rotatablely connected, and first clamping part is oppositely arranged with the second clamping part, the first clamp arm middle part and second
It is rotatablely connected in the middle part of clamp arm and quick detachable；
The middle part of first clamp arm and the second clamp arm curves inwardly, and first clamping part and the second clamping part are in
Approximate S shape；
First clamp arm is provided with the first hand-held part far from one end of the first clamping part, and second clamp arm is far from second
One end of clamping part is provided with the second hand-held part；
It is provided between first clamp arm and the first clamping part for driving first clamping part far from the first clamp arm
One end it is synchronous with first hand-held part open a business close the first transmission shaft；It is arranged between second clamp arm and the second clamping part
Have for driving the one end of second clamping part far from the second clamp arm second closed of opening a business synchronous with second hand-held part to pass
Moving axis；
The one end of one end and the second clamping part far from the second clamp arm of first clamping part far from the first clamp arm is interior
Lateral margin is sharp keen, the blunt flat, lateral border in tip is thicker than interior lateral margin and not sharp keen.
The utility model is further arranged to: be provided in the middle part of first clamp arm in the middle part of second clamp arm in
The arc groove that side radian matches is vertically installed with first rotating shaft, setting in the middle part of second clamp arm in the arc groove sidewall
There is the mounting hole to match with the first rotating shaft；Second clamp arm described in when the first rotating shaft is inserted into the mounting hole
Middle part is embedded in the arc groove.
By using above-mentioned technical proposal, first clamp arm and the second clamp arm rotate it is more stable, it is convenient for disassembly and assembly.
The utility model is further arranged to: one end of first transmission shaft is clamped in the first rotating shaft and first
Between portion with first clamp arm be rotatablely connected, first clamping part close to the first clamp arm one end on the inside of be provided with it is described
The first sliding block that first clamping part is slidably connected, the one end of first transmission shaft far from the first clamp arm and first sliding block connect
It connects；One end of the second driving shaft is rotatablely connected between the first rotating shaft and the second clamping part with second clamp arm,
Second clamping part is provided with the second sliding block being slidably connected with second clamping part on the inside of one end of the second clamp arm,
The one end of the second driving shaft far from the second clamp arm is connect with second sliding block.
The utility model is further arranged to: on the inside of the first clamp arm between first rotating shaft and the first clamping part
Portion is provided with the first mounting groove, the first pivot pin is provided in first mounting groove, first transmission shaft is far from the first sliding block
One end and first pivot pin be rotatablely connected；The second clamp arm middle inside between first rotating shaft and the second clamping part is set
Be equipped with the second mounting groove, be provided with the second pivot pin in second mounting groove, the second driving shaft far from the second sliding block one
End is rotatablely connected with second pivot pin.
The utility model is further arranged to: first clamping part is provided with the on the inside of one end of the first clamp arm
One sliding slot, the two sides of the first sliding groove are relatively set with the first guide groove, and the both ends of first sliding block are led in described first
It is slidably connected into slot with first clamping part；Second clamping part is provided with second on the inside of one end of the second clamp arm
Sliding slot, the two sides of the second sliding slot are relatively set with the second guide groove, and the both ends of second sliding block are in second guiding
It is slidably connected in slot with second clamping part.
The utility model is further arranged to: first clamping part includes the with first clamp arm rotation connection
One pivoted arm, the first cutter head being connect with first pivoted arm far from first clamp arm one end, second clamping part include with it is described
Second pivoted arm of the second clamp arm rotation connection, the second cutter head being connect with second pivoted arm far from second clamp arm one end；It is described
The first cutter head and the second cutter head be tip it is blunt it is flat, interior lateral margin is sharp keen, lateral border is thicker than interior lateral margin and not sharp keen.
By using above-mentioned technical proposal, when cutting the pedicle of vertebral arch on disconnected sick vertebra using the pedicle of vertebral arch detachment, institute
The first cutter head and the second cutter head stated obstruct nerve root on the outside of cutting edge, to avoid causing to damage to nerve root.
The utility model is further arranged to: first clamp arm passes through the second shaft far from one end of the first hand-held part
It is rotatablely connected with first pivoted arm far from one end of the first cutter head；Second clamp arm passes through far from one end of the second hand-held part
Third shaft and second pivoted arm are rotatablely connected far from one end of the second cutter head
The utility model is further arranged to: first clamp arm and first hand-held part be integrally formed casting and
At second clamp arm is integrally formed with second hand-held part and casts.
In conclusion the utility model has the following beneficial effects: simplifying operation journey by the implementation of the utility model
The pedicle of vertebral arch of lesion vertebra can be quickly truncated in sequence, shorten operating time, reduce the risk of bleeding and neurotrosis.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is mainly used for showing the connection relationship of the first clamp arm and the first pivoted arm；
Fig. 3 is the enlarged drawing of B in Fig. 2；
Fig. 4 is mainly used for showing the connection relationship of the second clamp arm and the second pivoted arm；
Fig. 5 is the enlarged drawing of D in Fig. 4.
In figure: 1, the first clamp arm；2, the second clamp arm；3, the first clamping part；4, the second clamping part；5, the first transmission shaft；6,
Second driving shaft；7, the first hand-held part；8, the second hand-held part；11, arc groove；12, first rotating shaft；13, the first mounting groove；14,
First pivot pin；15, the second shaft；21, mounting hole；22, the second mounting groove；23, the second pivot pin；24, third shaft；31, first
Pivoted arm；32, the first cutter head；33, first sliding groove；34, the first guide groove；35, the first sliding block；41, the second pivoted arm；42, the second knife
Head；43, second sliding slot；44, the second guide groove；45, the second sliding block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment, a kind of pedicle of vertebral arch detachment are cut, as shown in Figs. 1-5, including the first clamp arm 1 being oppositely arranged and the second clamp arm
2, the middle part of the first clamp arm 1 and the second clamp arm 2 curves inwardly, be provided in the middle part of the first pivoted arm 31 one in the second pivoted arm 41
The arc groove 11 that radian matches on the inside of portion, is vertically installed with a first rotating shaft 12 on 11 side wall of arc groove, in the second clamp arm 2
The mounting hole to match with first rotating shaft 12 21 is provided on the side wall in portion；When first rotating shaft 12 is inserted into mounting hole 21
It is embedded in arc groove 11 in the middle part of second clamp arm 2, the second clamp arm 2 can be rotated around first rotating shaft 12；
One end of first clamp arm 1 and the second clamp arm 2 is connected separately with the first hand-held part 7, second hand-held part 8, and first
Hand-held part 7 and the second hand-held part 8 are oppositely arranged, and the both ends of the first hand-held part 7 and the second hand-held part 8 are slightly bent outwardly, force
It is more convenient；
The one end of first clamp arm 1 far from the first hand-held part 7 is rotatably connected to one first folder by second shaft 15
Portion 3 is held, the first clamping part 3 includes remote with the rotation connection of the first clamp arm 1 and the first substantially s-shaped pivoted arm 31 and the first pivoted arm 31
The first cutter head 32 from the connection of 1 one end of the first clamp arm；The one end of second clamp arm 2 far from the second hand-held part 8 is turned by a third
Axis 24 is rotatably connected to second clamping part 4, and the second clamping part 4 includes and the rotation connection of the second clamp arm 2 and substantially s-shaped the
Two pivoted arms 41, the second cutter head 42 being connect with the second pivoted arm 41 far from 2 one end of the second clamp arm；First cutter head 32 and second
Cutter head 42 be tip it is blunt it is flat, interior lateral margin is sharp keen, lateral border is thicker than interior lateral margin and not sharp keen；
1 middle inside of the first clamp arm between first rotating shaft 12 and the first clamping part 3 is provided with one first installation
Slot 13 is provided with first pivot pin 14 in first mounting groove 13, and the first pivot pin 14 is rotatably connected to first transmission shaft 5；
First pivoted arm 31 is provided with a first sliding groove 33 on the inside of 1 one end of the first clamp arm, and the two sides of first sliding groove 33 are opposite to be set
It sets there are two the first guide groove 34, first sliding block 35 is slidably connected in two first guide grooves 34, first passes
The one end of moving axis 5 far from the first pivot pin 14 and the first sliding block 35 are rotatablely connected；
2 middle inside of the second clamp arm between first rotating shaft 12 and the second clamping part 4 is provided with one second installation
Slot 22 is provided with second pivot pin 23 in second mounting groove 22, and the second pivot pin 23 is rotatably connected to a second driving shaft 6；
Second pivoted arm 41 is provided with a second sliding slot 43 on the inside of 2 one end of the second clamp arm, and the two sides of second sliding slot 43 are opposite to be set
It sets there are two the second guide groove 44, second sliding block 45 is slidably connected in two second guide grooves 44, second passes
The one end of moving axis 6 far from the second pivot pin 23 and the second sliding block 45 are rotatablely connected.
Working principle: the first rotating shaft 12 is extracted out of mounting hole 21, so that the pedicle of vertebral arch detachment be cut
Be divided into two and cut arm, by be connected with the first cutter head 32 cut arm and be connected with the second cutter head 42 cuts arm respectively from the upper of pedicle of vertebral arch
Lower two sides insertion, when first cutter head 32 and the second cutter head 42 are inserted to truncation position, by the first rotating shaft 12
It is inserted into mounting hole 21；Driving first hand-held part 7 and the second hand-held part 8 are inwardly closed, when first hand-held part 7
When being inwardly closed under outer power drive with the second hand-held part 8, the first clamp arm 1 and the second clamp arm 2 are far from the first hand-held part 7 and second
One end of hand-held part 8 is flared out, and the first transmission shaft 5 pushes the first sliding block 35 to slide to one end close to the first cutter head 32, together
Step ground, second driving shaft 6 push the second sliding block 45 to slide to one end close to the second cutter head 42, the first cutter head 32 and the second cutter head
42 closure truncation pedicles of vertebral arch.
This specific embodiment is only the preferred embodiment of the utility model, not makees any shape to the utility model
Limitation in formula；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired
It is changed to the equivalent embodiment of equivalent variations.Therefore, all contents without departing from technical solutions of the utility model are practical new according to this
The technical spirit of type any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment still fall within this
In the range of the protection of utility model technical solution.
Claims (8)
1. a kind of pedicle of vertebral arch detachment is cut, the first clamp arm (1) including being oppositely arranged and the second clamp arm (2), for pedicle of vertebral arch to be truncated
The first clamping part (3) and the second clamping part (4), it is characterised in that: first clamping part (3) and the second clamping part (4)
One end is rotatablely connected with one end of first clamp arm (1) and the second clamp arm (2) respectively, first clamping part (3) and second
Clamping part (4) is oppositely arranged, in the middle part of first clamp arm (1) be rotatablely connected in the middle part of the second clamp arm (2) and quick detachable；
The middle part of first clamp arm (1) and the second clamp arm (2) curves inwardly, first clamping part (3) and the second clamping
Portion (4) is in approximate S shape；
First clamp arm (1) is provided with the first hand-held part (7) far from the one end of the first clamping part (3), second clamp arm (2)
One end far from the second clamping part (4) is provided with the second hand-held part (8)；
It is provided between first clamp arm (1) and the first clamping part (3) for driving first clamping part (3) far from first
One end of clamp arm (1) the first transmission shaft (5) closed of opening a business synchronous with the first hand-held part (7)；Second clamp arm (2) and the
One end and described second for driving second clamping part (4) separate second clamp arm (2) is provided between two clamping parts (4)
The synchronous second driving shaft (6) closed of opening a business in hand-held part (8)；
The one of first clamping part (3) one end and the second clamping part (4) separate second clamp arm (2) far from the first clamp arm (1)
End is that interior lateral margin is sharp keen, the blunt flat, lateral border in tip is thicker than interior lateral margin and not sharp keen.
2. a kind of pedicle of vertebral arch detachment according to claim 1 is cut, it is characterised in that: set in the middle part of first clamp arm (1)
It is equipped with the arc groove (11) to match with the second clamp arm (2) inside middle portion radian, it is vertical on arc groove (11) side wall
It is provided with first rotating shaft (12), is provided with the mounting hole to match with the first rotating shaft (12) in the middle part of second clamp arm (2)
(21)；The middle part of second clamp arm (2) described in when the first rotating shaft (12) insertion mounting hole (21) is interior is embedded in the arc
In shape slot (11).
3. a kind of pedicle of vertebral arch detachment according to claim 2 is cut, it is characterised in that: one end of first transmission shaft (5)
It is rotatablely connected between the first rotating shaft (12) and the first clamping part (3) with first clamp arm (1), first clamping part
(3) it is provided with the first sliding block (35) being slidably connected with first clamping part (3) on the inside of the one end of the first clamp arm (1),
First transmission shaft (5) connect far from the one end of the first clamp arm (1) with first sliding block (35)；The second driving shaft
(6) one end is rotatablely connected between the first rotating shaft (12) and the second clamping part (4) with second clamp arm (2), described
Second clamping part (4) is provided with second to be slidably connected with second clamping part (4) on the inside of the one end of the second clamp arm (2)
Sliding block (45), the second driving shaft (6) connect far from the one end of the second clamp arm (2) with second sliding block (45).
4. a kind of pedicle of vertebral arch detachment according to claim 3 is cut, it is characterised in that: be located at first rotating shaft (12) and the first folder
The first clamp arm (1) middle inside held between portion (3) is provided with the first mounting groove (13), setting in first mounting groove (13)
Have the first pivot pin (14), first transmission shaft (5) one end and first pivot pin (14) far from the first sliding block (35) rotate
Connection；The second clamp arm (2) middle inside between first rotating shaft (12) and the second clamping part (4) is provided with the second mounting groove
(22), it is provided with the second pivot pin (23) in second mounting groove (22), the second driving shaft (6) is far from the second sliding block (45)
One end and second pivot pin (23) be rotatablely connected.
5. a kind of pedicle of vertebral arch detachment according to claim 3 is cut, it is characterised in that: first clamping part (3) is close to the
It is provided with first sliding groove (33) on the inside of one end of one clamp arm (1), the two sides of the first sliding groove (33) are relatively set with first and lead
To slot (34), the both ends of first sliding block (35) are slided in first guide groove (34) with first clamping part (3)
Connection；Second clamping part (4) is provided with second sliding slot (43) on the inside of the one end of the second clamp arm (2), and described second is sliding
The two sides of slot (43) are relatively set with the second guide groove (44), and the both ends of second sliding block (45) are in second guide groove
(44) it is slidably connected in second clamping part (4).
6. a kind of pedicle of vertebral arch detachment according to claim 1 is cut, it is characterised in that: first clamping part (3) include with
The first pivoted arm (31) of first clamp arm (1) rotation connection connects with first pivoted arm (31) far from the first clamp arm (1) one end
The first cutter head (32) connect, second clamping part (4) include the second pivoted arm with second clamp arm (2) rotation connection
(41), the second cutter head (42) being connect with second pivoted arm (41) far from the second clamp arm (2) one end；First cutter head
(32) and the second cutter head (42) be tip it is blunt it is flat, interior lateral margin is sharp keen, lateral border is thicker than interior lateral margin and not sharp keen.
7. a kind of pedicle of vertebral arch detachment according to claim 6 is cut, it is characterised in that: first clamp arm (1) is far from first
One end of hand-held part (7), which is rotated by the second shaft (15) and first pivoted arm (31) far from the one end of the first cutter head (32), to be connected
It connects；The one end of second clamp arm (2) far from the second hand-held part (8) is remote by third shaft (24) and second pivoted arm (41)
One end rotation connection from the second cutter head (42).
8. a kind of pedicle of vertebral arch detachment according to claim 1 is cut, it is characterised in that: first clamp arm (1) and described the
One hand-held part (7) is integrally formed and casts, second clamp arm (2) and second hand-held part (8) be integrally formed casting and
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051507.XU CN208892717U (en) | 2018-07-04 | 2018-07-04 | A kind of pedicle of vertebral arch detachment is cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051507.XU CN208892717U (en) | 2018-07-04 | 2018-07-04 | A kind of pedicle of vertebral arch detachment is cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892717U true CN208892717U (en) | 2019-05-24 |
Family
ID=66567097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821051507.XU Expired - Fee Related CN208892717U (en) | 2018-07-04 | 2018-07-04 | A kind of pedicle of vertebral arch detachment is cut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208892717U (en) |
-
2018
- 2018-07-04 CN CN201821051507.XU patent/CN208892717U/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: 20190524 Termination date: 20200704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |