CN209236321U - A kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device - Google Patents
A kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device Download PDFInfo
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- CN209236321U CN209236321U CN201821205394.4U CN201821205394U CN209236321U CN 209236321 U CN209236321 U CN 209236321U CN 201821205394 U CN201821205394 U CN 201821205394U CN 209236321 U CN209236321 U CN 209236321U
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- crossfoot
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Abstract
The application provides a kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device, including crossfoot and crossfoot seat, and crossfoot passes through crossfoot seat and is slidably connected with crossfoot seat；Crossfoot is equipped with horizontal bead, and one end is equipped with angle scale, and angle scale is equipped with puncture needle guiding parts and the first arc groove, and puncture needle guiding parts can rotate on angle scale along the first arc groove；Crossfoot seat is equipped with bracket, is equipped with horizontal middle spindle by bottom and connect with holder pivots, and the bottom of bracket is equipped with level board, and level board is connect by vertical center axis with holder pivots；Level board is identified equipped with angle.Bracket is equipped with the second arc groove, and crossfoot seat can be that track rotates along the second arc groove by axle center of horizontal middle spindle；Present apparatus structure is simple, easy to operate, can from multi-angle and the position away from center adjust puncture needle orientation, guarantee positioning accuracy.
Description
Technical field
This application involves the field of medical instrument technology more particularly to a kind of lumber ertebral discs and Thoracolumbar disk nut Needle localization to fill
It sets.
Background technique
When lumbar spinal fusion is performed the operation, Percutaneous fixation mode is such as used, unilateral or bilateral pedicle screw is needed to fix,
In operation, need to carry out localised puncture to pedicle of vertebral arch；In pyramid plastic operation, pedicle approach puncture injection bone water is such as used
When mud, it is also desirable to carry out Needle localization to pedicle of vertebral arch；When the posterior decompression of foramen intervertebrale lens side, need to determine Puncture approach
Position guiding；It needs also to want localised puncture to approach when Percutaneous Lum-bar diskectomy.Above four kinds of operations are worn under X-ray machine monitoring
Thorn is required to a kind of guide locating device provided.
In the prior art, due to the structural form of pedicle of lumbar vertebral arch itself and lumber ertebral disc periphery have a large amount of nerve fibres and
Arteries, positioning guide need accurately to avoid in position fixing process nerve fibre and arteries, carry out puncturing operation
When, it needing just to can determine that puncture position by repeatedly having an X-rayed, the determination of puncture position additionally depends on the working experience of doctor, due to
It being limited by individual skill level, existing Needle localization angle is difficult to determine, since positioning needs exact operations, it cannot be guaranteed that
It disposably positions successfully, needs multiple Needle localization, considerably increase the perspective number of patient；Location efficiency is low, while to fixed
Position needs repeatedly to be adjusted, complicated for operation, certainly will increase operating time, increase patient suffering.Therefore, to medical staff
For patient, there have to be many unfavorable.
Utility model content
This application provides a kind of lumber ertebral discs and Thoracolumbar disk nut puncture positioning device, to solve to puncture in the prior art
Orientation angle is difficult determining problem.
The utility model embodiment provides a kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device, including crossfoot and cross
Rod support, crossfoot are equipped with length mark, and crossfoot passes through crossfoot seat and is slidably connected with crossfoot seat；
Crossfoot is equipped with horizontal bead, and one end of crossfoot is equipped with angle scale, and angle scale is identified equipped with angle, sets on angle scale
There are puncture needle guiding parts and the first arc groove, puncture needle guiding parts can rotate on angle scale along the first arc groove；
Crossfoot seat is equipped with bracket, and bracket is equipped with the second arc groove, and plane is perpendicular to crossfoot where the second arc groove
Length extending direction, crossfoot seat are rotated along the second arc groove and the horizontal rotating shaft of frame bottom；
The bottom of bracket is equipped with level board, and the center of level board is equipped with vertical center axis, and bracket is existed by vertical center axis
Horizontally rotate on level board, level board is identified equipped with angle.
Optionally, first arc groove and the second arc groove are arc-shaped slot, the circle central axis of the first arc groove with
The bottom surface of level board is in the same plane.
Optionally, on the angle scale the first arc groove the center point be equipped with first rotating shaft, the one of puncture needle guiding parts
End is rotatablely connected by first rotating shaft and angle scale, and the other end of puncture needle guiding parts is equipped with the second shaft, and the second shaft is inserted
Enter into the first arc groove, puncture needle guiding parts can be rotated using first rotating shaft as axle center along the first arc groove.
Optionally, the bottom center of the level board is equipped with ruler, and ruler is detachably connected with level board.
Optionally, the puncture needle guiding parts includes the first guide plate and the second guide plate, the first guide plate and second
Guide plate is hinge type clamping, and the first guide plate and the second guide plate access section are equipped with guide groove, and the center line of guide groove is distinguished
It is overlapped with the Axis Cross of the circle central axis of the first arc groove, first rotating shaft and the second shaft.
Optionally, the first positioning element is equipped between the crossfoot and crossfoot seat, the first positioning element includes being arranged in cross
The first positioning spiro pit on rod support, and the first screw being adapted with the first positioning spiro pit, it is fixed that the first screw passes through first
Position threaded hole is simultaneously resisted against on crossfoot, by crossfoot locking positioning on crossfoot seat；
Third positioning element is equipped between crossfoot seat and bracket, third positioning element includes the positioning being arranged on crossfoot seat
Threaded hole, positioning spiro pit are equipped with the screw rod being adapted with positioning spiro pit, and screw rod passes through positioning spiro pit and withstands on bracket,
By bracket in crossfoot seat locking positioning.
Optionally, the second positioning element, the second positioning element packet are equipped between the puncture needle guiding parts and angle scale
Include the first nut being arranged in the second shaft, the second shaft is equipped with the first external screw thread, the first nut be equipped with first outside
The first adaptable internal screw thread of screw thread, the first nut can be puncture needle guiding parts locking positioning on angle scale；
The 4th positioning element is equipped between support frame and angle scale, the 4th positioning element includes being arranged in third shaft
Second nut, third shaft are equipped with the second external screw thread, and the second nut is equipped with the second internal screw thread being adapted with the second screw thread,
Second nut can be support frame locking positioning on angle scale.
Optionally, the angle scale is equipped with support frame far from one end of crossfoot, one end of support frame by third shaft with
Angle scale rotation connection.
Optionally, positioning device is all made of nonmetallic materials and is made.
The prior art is compared, the utility model has the beneficial effects that:
1, in the utility model include crossfoot and crossfoot seat, crossfoot be equipped with length mark, crossfoot pass through crossfoot seat and with
Crossfoot seat is slidably connected；Crossfoot is slided along crossfoot seat, opens distance convenient for adjusting the side of puncture needle.
2, crossfoot is equipped with horizontal bead in the utility model, and one end of crossfoot is equipped with angle scale, and angle scale is equipped with angle
Mark, angle scale are equipped with puncture needle guiding parts and the first arc groove, and puncture needle guiding parts can be along the first arc groove at angle
It is rotated on scale, is conveniently adjusted tilt angle of the puncture needle with respect to center line.
3, crossfoot seat is equipped with bracket in the utility model, and bracket is equipped with the second arc groove, puts down where the second arc groove
Perpendicular to the length extending direction of crossfoot, crossfoot seat can rotate along the second arc groove and the horizontal rotating shaft of frame bottom, be convenient in face
Adjust the tilt angle of crossfoot relative level plate.
4, the bottom of bracket is equipped with level board in the utility model, and the center of level board is equipped with vertical center axis, and bracket is logical
It crosses vertical center axis to horizontally rotate on level board, convenient for the angle of adjusting bracket and the horizontal direction of level board.
5, the first arc groove and the second arc groove are arc-shaped slot, the circle central axis of the first arc groove in the utility model
In the same plane with level board bottom surface, the bottom center of level board is equipped with ruler, and ruler is detachably connected with level board, energy
Enough ensure that the extended line of ruler and puncture needle can intersect.
6, puncture needle guiding parts includes the first guide plate and the second guide plate, the first guide plate and the in the utility model
Two guide plates are that hinge type is clamped, and the access section of the first guide plate and the second guide plate is equipped with guide groove, the center line of guide groove
It is overlapped respectively with the Axis Cross of the circle central axis of the first arc groove, first rotating shaft and the second shaft.First guide plate and second
The articulated clamping of guide plate, can be convenient for taking-up puncture needle.
7, guide holder far from one end of crossfoot is equipped with support frame in the utility model, and one end of support frame passes through third shaft
It is rotatablely connected with guide holder, when actual operation, support frame can be supported on a patient body, keep the level of crossfoot, play
Support the effect of positioning.
8, in the utility model between crossfoot and crossfoot seat, between guiding parts and angle scale, between crossfoot seat and bracket,
It is respectively equipped with positioning element between support frame and angle scale, can play the role of locking positioning.
Detailed description of the invention
To be illustrated more clearly that background technique or the technical solution of the utility model, below to the prior art or specific implementation
The attached drawing being used in combination in mode is briefly described；It should be evident that the attached drawing below in conjunction with specific embodiment is only to use
The utility model embodiment is understood in facilitating, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings；
Fig. 1 is the overall structure diagram of positioning device provided by the embodiment of the utility model；
Fig. 2 is the side structure schematic view of positioning device provided by the embodiment of the utility model；
Fig. 3 is the partial structural diagram one of positioning device provided by the embodiment of the utility model；
Fig. 4 is the partial structural diagram two of positioning device provided by the embodiment of the utility model；
Fig. 5 is the partial structural diagram of level board provided by the embodiment of the utility model；
Fig. 6 is that the CT film of pedicle of vertebral arch approach provided by the embodiment of the utility model uses structural schematic diagram one；
Fig. 7 is that the CT film of transforaminal provided by the embodiment of the utility model uses structural schematic diagram two；
Fig. 8 is that the angle adjustment in sagittal surgical face provided by the embodiment of the utility model uses structural schematic diagram；
Fig. 9 is that the angle adjustment of operation coronal-plane provided by the embodiment of the utility model uses structural schematic diagram；
Wherein: 1- crossfoot, 2- crossfoot seat, 3- horizontal bead, 4- angle scale, the first arc groove of 41-, 42- first rotating shaft, 5- are worn
Pricker guiding parts, the first guide plate of 51-, the second guide plate of 52-, 53- guide groove, 6- bracket, the second arc groove of 61-, 62- water
Flat turn axis, 7- level board, 71- vertical center axis, 8- ruler, the first positioning element of 9-, the first screw of 91-, the second positioning region 10-
Part, 11- third positioning element, 12- support frame, the 4th positioning element of 13-, 14- puncture needle, 15- pedicle of vertebral arch center line, 16- reason
Think puncture needle position line, 17- level board centre spot, 18- skin of back.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
Lumber ertebral disc and Thoracolumbar disk nut puncture positioning device provided by the embodiment of the utility model, including crossfoot 1 and cross
Rod support 2.
Fig. 1 is the overall structure diagram of positioning device provided by the embodiment of the utility model；Fig. 2 is the utility model reality
The side structure schematic view of the positioning device of example offer is provided；Fig. 3 is the part of positioning device provided by the embodiment of the utility model
Structural schematic diagram one；Fig. 4 is the partial structural diagram two of positioning device provided by the embodiment of the utility model；Such as Fig. 1-Fig. 4
Shown, crossfoot 1 is equipped with length mark, for identifying the length of crossfoot 1；In the present embodiment, the middle part of crossfoot seat 2 is equipped with logical
Hole, crossfoot 1 pass through through-hole and are slidably connected with crossfoot seat 2, open distance convenient for adjusting the side of puncture needle 14.
Crossfoot 1 is equipped with horizontal bead 3, and the surface of crossfoot 1 is arranged in horizontal bead 3, and horizontal bead 3 can be set close to guiding
One end of seat 4 also can be set in one end far from guide holder 4, for detecting the levelness of crossfoot 1；One end of crossfoot 1 is equipped with
Angle scale 4, angle scale 4 are fixedly connected with crossfoot 1.
Angle scale 4 is equipped with puncture needle guiding parts 5 and the first arc groove 41, and puncture needle guiding parts 5 is worn for being oriented to
Pricker 14 penetrates direction, and puncture needle 14 is inserted into puncture needle guiding parts 5；Puncture needle guiding parts 5 is along the first arc groove
41 are slidably connected with angle scale 4, are conveniently adjusted tilt angle of the puncture needle 14 with respect to center line.
Angle scale 4 is equipped with support frame 12 far from one end of crossfoot 1, and one end of support frame 12 passes through third shaft and angle scale
4 rotation connections, when actual operation, support frame 12 can be supported on patient skin, play the role of support limit.Angle scale
4 are equipped with angle index line and scale number for indicating puncture needle 14 and pedicle of vertebral arch center line 15.
First rotating shaft 42, one end of puncture needle guiding parts 5 are equipped on angle scale 4 at the circle central axis of first arc groove 41
It is rotatablely connected by first rotating shaft 42 and angle scale 4, the other end of puncture needle guiding parts 5 is equipped with the second shaft, the second shaft
It is inserted into the first arc groove 41, puncture needle guiding parts 5 is slidably connected by the second shaft with the first arc groove 41.
In the present embodiment, puncture needle guiding parts 5 includes the first guide plate 51 and the second guide plate 52, the first guide plate 51
It is clamped with the second guide plate 52 using hinge type, the first guide plate 51 and 52 access section of the second guide plate are equipped with guide groove 53, lead
Length direction to slot 53 along puncture needle guiding parts 5 extends, and the central axis of guide groove 53 is into crossing the first arc groove 41
Circle central axis.Puncture needle 14 is inserted into guide groove 53, the first guide plate 51 and the clamping of 52 radial type of the second guide plate, Neng Goubian
Being put into and taking out in puncture needle 14.
Certainly, in other embodiments, puncture needle guiding parts can use guide pipe, and the central axis of guide pipe passes through
Cross the center of circle of the first arc groove 41.
Crossfoot seat 2 be equipped with bracket 6, bracket 6 be equipped with the second arc groove 61,61 place plane of the second arc groove perpendicular to
The length extending direction of crossfoot 1, crossfoot seat 2 are slidably connected along the second arc groove 61 with bracket 6, convenient for adjusting crossfoot 1 with respect to water
The tilt angle of plate 7.
In the present embodiment, the first arc groove 41 and the second arc groove 61 are arc-shaped slot, the center of circle of the first arc groove 41
In the same plane with the center of circle of the second arc groove 61.
The bottom of bracket 6 is equipped with level board 7, and Fig. 5 is that the partial structurtes of level board provided by the embodiment of the utility model are shown
It is intended to, as shown in figure 5, the center of level board 7 is equipped with vertical center axis 71, the bottom of bracket 6 is equipped with mounting hole, vertical center axis
71 are inserted into mounting hole, and level board 7 is rotatablely connected by vertical center axis 71 and bracket 6；Crossfoot seat 2 passes through axis 62 and bracket
6 rotation connections；By the axial rotation with the radial both direction of horizontal rotating shaft 62 of vertical center axis 71, can be realized each in operation
The adjustment of a angle.
Level board 7 is equipped with angle index line and scale number for indicating angle between bracket 6 and level board 7.Water
The center of plate 7 is overlapped with the center of circle of the second arc groove 61.When actual operation, level board 7 is put along the vertebra extending direction of patient
It sets.
In the present embodiment, the first positioning element 9 is equipped between crossfoot 1 and crossfoot seat 2, the first positioning element 9 includes setting
The first positioning spiro pit on crossfoot seat 2, and the first screw 91 being adapted with the first positioning spiro pit, the first screw 91 are worn
Cross the first positioning spiro pit and be resisted against on crossfoot 1, by 1 locking positioning of crossfoot on crossfoot seat 2.
The second positioning element 10 is equipped between puncture needle guiding parts 5 and angle scale 4, the second positioning element 10 includes setting
The first nut in the second shaft, the second shaft are equipped with the first external screw thread, and the first nut is equipped with and the first external screw thread phase
The first internal screw thread adapted to, the second positioning element 10 can be 5 locking positioning of guiding parts on the angle scale 4 of crossfoot 1.
In the present embodiment, the second shaft can use pivot pin screw, any position lock of the pivot pin screw in adjustable extent
It is fixed.
Third positioning element 11 is equipped between crossfoot seat 2 and bracket 6, third positioning element 11 includes being arranged on the frame 6
Positioning spiro pit, positioning spiro pit is equipped with the screw rod being adapted with positioning spiro pit, and screw rod withstands on across positioning spiro pit
On crossfoot seat 2, by bracket 6 and 2 locking positioning of crossfoot seat.
The 4th positioning element 13 is equipped between support frame 12 and angle scale 4, the 4th positioning element 13 includes being arranged in third
The second nut in shaft, third shaft are equipped with the second external screw thread, and the second nut is equipped with the be adapted with the second screw thread
Two internal screw threads.4th positioning element 13 can be with locking positioning support frame 12.
The present apparatus is integrally made of nonmetallic materials, and nonmetallic materials can penetrate X-ray, clinically has practical meaning
Justice.The puncture positioning device uses plastics material material in the present embodiment, in other embodiments can also be using except plastic material
Except those skilled in the art it is conceivable that other non-metallic materials.
Fig. 6 is the CT film of pedicle of vertebral arch approach provided by the embodiment of the utility model using structural schematic diagram one, and Fig. 7 is this reality
The CT film of the transforaminal provided with new embodiment uses structural schematic diagram two, as shown in Figure 6 and Figure 7, when actual operation,
Pedicle of vertebral arch center line 15 and ideal puncture needle position line 16 are drawn in the CT film of pedicle of vertebral arch first, is then had an X-rayed by centrum
Figure determines that level board centre spot 17, level board centre spot 17 arrive ideal puncture needle at the skin of back 18 of patient
The horizontal distance a of position line 16 is that distance is opened on side, while can obtain the angle of b in figure, and the center of level board 7 is placed on water
On plate center anchor point 17, distance a is opened according to the side measured and adjusts the position of crossfoot 1 on the frame 6, it is big according to the angle of b
The tilt angle of 5 relative angle scale 4 of minor adjustment puncture needle guiding parts, puncture needle 14 is inserted into puncture needle guiding parts 5,
It can ensure that the interspersed angle accuracy of puncture needle 14.
Another method is to draw pedicle of vertebral arch center line 15 and ideal in the CT film of pedicle of vertebral arch first in actual operation
Puncture needle position line 16 simultaneously measures paracentesis depth h, then by centrum perspective view, determines at the skin of back 18 of patient horizontal
Plate centre spot 17, the horizontal distance a of level board centre spot 17 to ideal puncture needle position line 16 are that distance is opened on side,
According to measuring paracentesis depth h and the other distance a that opens adjusts the position on the frame 6 of crossfoot 1 and guiding parts 5 on angle scale 4
Angle makes corresponding paracentesis depth h on 14 tip alignment ruler 8 of puncture needle, and locking positioning guiding parts 5, and ruler 8 is dismantled
The center of level board 7 is placed on level board centre spot 17 after falling, puncture needle 14 can be inserted into guiding parts 5
In, that is, it can ensure that the interspersed angle accuracy of puncture needle 14.
Fig. 8 is that the angle adjustment in sagittal surgical face provided by the embodiment of the utility model uses structural schematic diagram；Such as Fig. 8 institute
Show, crossfoot seat 2 is rotatablely connected by axis 62 and bracket 6, realizes the angle positioning that each approach of A, B, C is such as schemed in operation.
Fig. 9 is that the angle adjustment of operation coronal-plane provided by the embodiment of the utility model uses structural schematic diagram；Such as Fig. 9 institute
Show, level board 7 is rotatablely connected by vertical center axis 72 and bracket 6；Level board 7 is rotated by the axial of vertical center axis 72,
It realizes in operation such as the approach positioning of β angle in Fig. 9.
When being lain down due to patient, centrum is at certain tilt angle, in addition patient itself skin of back 18 is in out-of-flatness
State can be come more by adjusting the tilt angle and bracket 6 of 1 relative level plate 7 of crossfoot and the tilt angle of level board 7
Good meets actual operation demand, it is ensured that the accurate positionin of puncture needle 14.
Above in the utility model embodiment lumber ertebral disc and Thoracolumbar disk nut puncture positioning device carried out in detail
It introduces."upper", "lower", " left side " and " right side " in the present embodiment are the position descriptions in opposite Figure of description.It adopts this part
The principles of the present invention and embodiment are expounded with specific embodiment, the explanation of above example is only intended to sides
Assistant solves the core concept of the utility model, in the case where not departing from the utility model principle, those of ordinary skill in the art
Every other embodiment obtained without making creative work, fall within the protection scope of the utility model.
Claims (9)
1. a kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
Positioning device includes crossfoot (1) and crossfoot seat (2), and crossfoot (1) is equipped with length mark, and crossfoot (1) passes through crossfoot seat (2)
And it is slidably connected with crossfoot seat (2)；
Crossfoot (1) is equipped with horizontal bead (3), and one end of crossfoot (1) is equipped with angle scale (4), and angle scale (4) is equipped with angle mark
Know, angle scale (4) is equipped with puncture needle guiding parts (5) and the first arc groove (41), and puncture needle guiding parts (5) can be along first
Arc groove (41) rotates on angle scale (4)；
Crossfoot seat (2) is equipped with bracket (6), and bracket (6) is equipped with the second arc groove (61), plane where the second arc groove (61)
Perpendicular to the length extending direction of crossfoot (1), horizontal rotating shaft of the crossfoot seat (2) along the second arc groove (61) and bracket (6) bottom
(62) it rotates；
The bottom of bracket (6) is equipped with level board (7), and the center of level board (7) is equipped with vertical center axis (71), and bracket (6) passes through
Vertical center axis (71) horizontally rotates on level board (7), and level board (7) is identified equipped with angle.
2. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
First arc groove (41) and the second arc groove (61) are arc-shaped slot, the circle central axis of the first arc groove (41) with
The bottom surface of level board (7) is in the same plane.
3. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The center point of the first arc groove (41) is equipped with first rotating shaft (42) on the angle scale (4), puncture needle guiding parts (5)
One end is rotatablely connected by first rotating shaft (42) and angle scale (4), and the other end of puncture needle guiding parts (5) is equipped with second turn
Axis, the second shaft are inserted into the first arc groove (41), and puncture needle guiding parts (5) can be axle center with first rotating shaft (42) along the
One arc groove (41) rotation.
4. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The bottom center of the level board (7) is equipped with ruler (8), and ruler (8) is detachably connected with level board (7).
5. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The puncture needle guiding parts (5) include the first guide plate (51) and the second guide plate (52), the first guide plate (51) and
Second guide plate (52) is hinge type clamping, and the first guide plate (51) and the second guide plate (52) access section are equipped with guide groove
(53), the center line of guide groove (53) respectively with the circle central axis of the first arc groove (41), first rotating shaft (42) and the second shaft
Axis Cross be overlapped.
6. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The first positioning element (9) are equipped between the crossfoot (1) and crossfoot seat (2), the first positioning element (9) includes being arranged in cross
The first positioning spiro pit on rod support (2), and the first screw (91) being adapted with the first positioning spiro pit, the first screw (91)
It across the first positioning spiro pit and is resisted against on crossfoot (1), by crossfoot (1) locking positioning on crossfoot seat (2)；
Third positioning element (11) are equipped between crossfoot seat (2) and bracket (6), third positioning element (11) includes being arranged in crossfoot
Positioning spiro pit on seat (2), positioning spiro pit are equipped with the screw rod being adapted with positioning spiro pit, and screw rod passes through positioning threads
Hole is withstood on bracket (6), by bracket (6) in crossfoot seat (2) locking positioning.
7. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The second positioning element (10) are equipped between the puncture needle guiding parts (5) and angle scale (4), the second positioning element (10)
Including the first nut being arranged in the second shaft, the second shaft is equipped with the first external screw thread, and the first nut is equipped with and first
The first adaptable internal screw thread of external screw thread, the first nut can be puncture needle guiding parts locking positioning on angle scale；
The 4th positioning element (13) is equipped between support frame (12) and angle scale (4), the 4th positioning element (13) includes that setting exists
The second nut in third shaft, third shaft are equipped with the second external screw thread, and the second nut is equipped with to be adapted with the second screw thread
The second internal screw thread, the second nut can be support frame locking positioning on angle scale.
8. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
The angle scale (4) is equipped with support frame (12) far from the one end of crossfoot (1), and one end of support frame (12) passes through third shaft
It is rotatablely connected with angle scale (4).
9. lumber ertebral disc according to claim 1 and Thoracolumbar disk nut puncture positioning device, it is characterised in that:
Positioning device is all made of nonmetallic materials and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205394.4U CN209236321U (en) | 2018-07-27 | 2018-07-27 | A kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205394.4U CN209236321U (en) | 2018-07-27 | 2018-07-27 | A kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209236321U true CN209236321U (en) | 2019-08-13 |
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ID=67516861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821205394.4U Active CN209236321U (en) | 2018-07-27 | 2018-07-27 | A kind of lumber ertebral disc and Thoracolumbar disk nut puncture positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209236321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714198A (en) * | 2020-06-15 | 2020-09-29 | 中国人民解放军总医院 | Puncture guiding input system for vertebral cement perfusion reinforcement of open operation disease of metastatic tumor of spine |
| CN113288364A (en) * | 2021-06-01 | 2021-08-24 | 伍国锋 | Guiding method and puncture guiding instrument based on plane circular theory craniocerebral focus |
-
2018
- 2018-07-27 CN CN201821205394.4U patent/CN209236321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714198A (en) * | 2020-06-15 | 2020-09-29 | 中国人民解放军总医院 | Puncture guiding input system for vertebral cement perfusion reinforcement of open operation disease of metastatic tumor of spine |
| CN111714198B (en) * | 2020-06-15 | 2021-09-07 | 中国人民解放军总医院 | Puncture guiding input system for vertebral cement perfusion reinforcement of open operation disease of metastatic tumor of spine |
| CN113288364A (en) * | 2021-06-01 | 2021-08-24 | 伍国锋 | Guiding method and puncture guiding instrument based on plane circular theory craniocerebral focus |
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