CN208492329U - A kind of minimal invasive lumbar surgery locator - Google Patents
A kind of minimal invasive lumbar surgery locator Download PDFInfo
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- CN208492329U CN208492329U CN201721795012.3U CN201721795012U CN208492329U CN 208492329 U CN208492329 U CN 208492329U CN 201721795012 U CN201721795012 U CN 201721795012U CN 208492329 U CN208492329 U CN 208492329U
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- groove
- arched arm
- galianconism
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- concentric
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Abstract
The utility model discloses a kind of minimal invasive lumbar surgery locators, including pedestal, concentric handle, arched arm and sliding sleeve.The pedestal is made of square platform and dial；The L-shaped structure of concentric handle, galianconism one end are provided with shaft, and long-armed one end is provided with multiple card slots；Arched arm is arc strip, and centre is provided with arc groove, upright sliding bar is provided on the opposite face of groove cambered surface, and one end that groove is not pierced by is provided with horizontal pointer；Sliding sleeve includes that sliding block, bolt, nut and positioning syringe, nut are arranged on sliding block, and positioning syringe is fixedly connected with nut in cross.It is attached in the groove of the pluggable pedestal of the shaft of concentric handle, can be inserted into the upright sliding bar of arched arm in the card slot of the concentric handle other end and be bolted；The sliding block of sliding sleeve can be caught in the arc groove of arched arm.The utility model has the beneficial effects that 1, object location is accurate；2, it can be adapted to according to human somatotype, applicability is wide.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of minimal invasive lumbar surgery locator.
Background technique
Now, lumbar retrogression, for example, the disease incidence such as the protrasion of the lumbar intervertebral disci, lumbar spinal stenosis, regression sex deviation
It is higher and higher, and with the transformation of life style, rejuvenation is presented in age of onset.Traditional treatment means are mainly way of escape row
Laminectomy and intervertebral disc marrow nuclear excising and pedicle screw fixation operation operation.Though the modus operandi can solve the disease of patient
Shape, but the damage as caused by operation itself and structural damage can generate long-term influence to the life of patient, such as residual
Stay low-back pain etc..
It is biggish via wound for the treatment method of lumbar retrogression with the continuous development of medical level in recent years
Traditional incision treatment starts to change to minimally-invasive treatment；On the other hand, further increasing due to people's living standard, patient for
Postoperative pain, recovery time, the requirements such as quality of life in a short time further increase, so minimally invasive is the necessarily hair of spinal surgery
Exhibition trend.The minimally invasive field of spinal surgery mainly includes foramen intervertebrale lens, MIS-TILF, Sextant, PKP technology etc., but no matter which
A kind of mode, preoperative accurate positionin is extremely crucial, because as conventional therapy straight the important sets such as nerve cannot can be looked at
It knits, the homes such as intervertebral foramen or pedicle of vertebral arch must be accurately positioned this requires we are preoperative, just can guarantee operation in this way
Safety carry out.
Currently, minimally invasive spine surgical such as foramen intervertebrale lens operation etc., the experience that when positioning relies primarily on patient first carries out body surface
Then positioning punctures adjustment position repeatedly under C-arm scenograph perspective to navigate to safety zone, not only increases in this way
The time of operation brings soft tissue injury also as puncturing repeatedly, increases the pain of patient on foot.And existing auxiliary locator needs
It is fixed on bedside, is separated from each other with patient, when being subjected to displacement for position of patient will affect the positioning of positioning device, causes to wear
Thorn is inaccurate.
Utility model content
The utility model is in order to solve the above technical problems, provide a kind of minimal invasive lumbar surgery positioning for auxiliary positioning
Device, the locator can navigate to safety and precise target position, shorten operating time, reduce unnecessary puncture bring group
Knit wound.
The technical scheme that the utility model is provided is as follows:
A kind of minimal invasive lumbar surgery locator, including pedestal, concentric handle, arched arm and sliding sleeve.
The pedestal is made of square platform and dial, and dial is set on square platform, and scale disk center is provided with groove,
Bottom portion of groove is provided with sheet metal, and kirschner pin hole is provided on square platform.
Concentric handle includes long-armed and galianconism, and galianconism one end and long-armed connection form L shape structure, and the other end of galianconism is vertical
The in-plane where L shape is provided with shaft, and long-armed close galianconism end is parallel to galianconism and is provided with tuning drive gear, far from galianconism
One end be provided with multiple card slots along rotor shaft direction.
Arched arm is arc strip, and centre is provided with arc groove along long arc direction, and one end of groove is pierced by arched arm, groove
Upright sliding bar is provided on the opposite face of place cambered surface, one end that groove is not pierced by is provided with horizontal pointer.
Sliding sleeve includes sliding block, bolt, nut and positioning syringe, and nut is arranged on sliding block, in sliding block along nut
The plane of flattening of wall is provided with diameter through-hole identical with nut internal diameter, and bolts and nuts match, and positioning syringe and nut are in cross
Shape is fixedly connected.
It is attached in the groove of the pluggable pedestal of the shaft of concentric handle, can be inserted into arc in the card slot of the concentric handle other end
The vertical bar of arm is simultaneously bolted.
The sliding block of sliding sleeve can be caught in the arc groove of arched arm, and can be fixed by bolt.
It further improves, the dial peripheral surface on the pedestal is carved with graduation mark, and upper surface, which is provided with, mutually hangs down
Straight groove.
It further improves, the card slot on the concentric handle is 5.
It further improves, the distance of the card slot on the concentric handle to galianconism and is inserted into the arched arm that the card slot uses
Radius is equal, card slot and the corresponding use of arched arm.
It further improves, the tuning drive gear is directed toward dial, to indicate the rotational angle of concentric handle.
The concentric handle is made of ABS engineering plastics.
The horizontal pointer of the arched arm is made of metal, and the horizontal pointer is in coniform, and rest part is by ABS engineering
Plastics are made.
The utility model has the beneficial effects that
1, object location is accurate, one-time puncture, reduces and repeatedly punctures bring tissue trauma；
2, arched arm uses design for disassembly, while it is optional to provide plurality of specifications, can be adapted to according to human somatotype, fits
It is wide with property；
3, structure is simple, easy to use, reusable.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
Fig. 2 is the utility model explosive view；
Fig. 3 is understructure figure；
Fig. 4 is concentric handle structure figure；
Fig. 5 is arched arm structure chart；
Fig. 6 is sliding sleeve structure chart.
Appended drawing reference: the concentric handle of 1- pedestal, 2-, 3- arched arm, 4- sliding sleeve, 5- bolt I, 6- dial, 7- scale
Pointer, 8- card slot, 9- curved scale, the horizontal pointer of 10-, 11- sliding block, 12- position syringe, 13- bolt II, 14- screw hole, 15-
Kirschner pin hole.
Specific embodiment
The present invention will be further described combined with specific embodiments below, and the content of the utility model is not limited to completely
This.
Fig. 1, Fig. 2 shows the structures of the utility model.A kind of minimal invasive lumbar surgery locator, including pedestal 1, concentric handle
2, arched arm 3 and sliding sleeve 4.
Fig. 3 shows the structure of pedestal 1.Pedestal 1 is made of square platform and dial 6, and dial 6 is set to square platform
On, 6 center of dial is provided with groove, and bottom portion of groove is provided with sheet metal.Preferably, dial periphery can have 144 graduation marks,
Minimum scale value is 2.5 °, and upper surface is provided with orthogonal radial groove, to guarantee that concentric handle initial position and the longitudinal axis hang down
Directly, zero graduation line is graduation position indicated by the radial groove with axis oriented normal.
Fig. 4 shows the structure of concentric handle 2.Concentric handle 2 includes long-armed and galianconism, and galianconism one end and long-armed connection are formed
The other end of L shape structure, galianconism is provided with shaft perpendicular to in-plane where L shape, and long-armed close galianconism end is parallel to
Galianconism is provided with tuning drive gear 7, is provided with multiple card slots 8 along rotor shaft direction far from one end of galianconism, be preferable to provide 5 it is equidistant
Card slot 8, concentric handle 2 are made of ABS engineering plastics.Card slot 8 is provided with screw hole 14 on opposite face.Tuning drive gear 7 can be with concentric handle 2
It rotates together, be close to and be directed toward dial 6, to indicate the rotation angle of concentric handle 2.
Fig. 5 shows the structure of arched arm 3.Arched arm 3 is arc strip, and centre is provided with arc groove along long arc direction,
One end of groove is pierced by arched arm, is provided with upright sliding bar on the opposite face of cambered surface where groove, one end that groove is not pierced by
It is provided with horizontal pointer 10, horizontal pointer 10 is in coniform, and horizontal pointer 10 is for horizontal position positioning, and horizontal pointer 10 is by gold
Belong to material to be made, preferably stainless steel, other parts of the arched arm 3 in addition to horizontal pointer 10 are made of ABS engineering plastics.Arc
3 groove periphery of arm is provided with scale 9, is used to indicate the angle of positioning syringe 12.
Fig. 6 shows the structure of sliding sleeve 4.Sliding sleeve 4 includes sliding block 11, bolt I 5, nut and positioning syringe
12, nut is arranged on sliding block 11, and the plane of flattening in sliding block 11 along nut inner wall is provided with diameter through-hole identical with nut internal diameter,
Bolt I 5 matches with nut, and positioning syringe 12 is fixedly connected with nut in cross.
It is attached in the center groove of the pluggable pedestal 1 of the shaft of concentric handle 2, it can in the card slot 8 of concentric 2 other end of handle
It is inserted into the vertical bar of arched arm 3 and is fixed by the way that bolt II 13 is screwed in screw hole 14.The sliding block 11 of sliding sleeve 4 can be caught in arc
In the arc groove of shape arm 3, can freely arcuately 3 groove of arm slides, and can be fixed by bolt I 5.The rule of arched arm 3
Lattice are determined that preferred radius specification has: 15cm, 18cm, 21cm, 24cm, 27cm, 30cm by its radius.Card slot on concentric handle 2
The distance of 8 to galianconism is equal with the radius of arched arm 3 that the card slot 8 uses is inserted into, and the specification one of card slot 8 and arched arm 3 is a pair of
It answers, to guarantee the center of circle of arched arm 3 always on 1 center line of pedestal.After being completed as shown in Figure 1.
Working principle: the metal level pointer 10 on sheet metal and arched arm 3 being arranged by 1 center of pedestal is in C-arm
The position of the lower positioning intervertebral foramen of perspective, the positional relationship of each bony structure then obtained by preoperative CT outcome measurement, rotation
Concentric handle 2 is adjusted the angle to adjust an inclination angle, and mobile sliding sleeve 4, so that it is determined that puncturing direction, is realized with adjusting angle of splay
Precise positioning.The device determines target position, i.e. 1 center of pedestal upright projection on coronal-plane, 3 water of arched arm by two-point method
Horizontal line of the flat pointer in sagittal plain, the point of intersection of two lines are determined as target position.After determining target position, by preoperative
Observation result in iconography adjusts the direction that concentric handle 2 finally determines inserting needle with positioning 12 direction of syringe, that is, completes to position
Journey, and then can be punctured.
Application method: locator pedestal 1 is placed in patient's posterior median line after operating table, Preoperative Method improve by patient lies prone
On, position is adjusted under C-arm perspective, is overlapped 1 center of pedestal with intervertebral foramen outlet port, Kirschner wire is inserted into kirschner pin hole
With firm banking 1 in patient's spinous process in 15.Concentric handle 2 is installed on 1 center groove of pedestal, then according to patient size's selection pair
The arched arm 3 of radius is answered to be installed.After the installation is completed, concentric 2 position of handle is adjusted to initial position (0 ° of dial), in C
Lower adjustment 3 height of arched arm of arm scenograph perspective makes the intersection point between the horizontal pointer 10 of arched arm and 1 central projection of pedestal
It is overlapped with intervertebral foramen.The isostructural positional relationship of intervertebral foramen, articular process is obtained then according to measurement on preoperative CT, adjusts concentric handle
2 with 4 angle of sliding sleeve (determining head inclination angle and angle of splay), it is final to determine entry point and inserting needle direction.Puncture needle is penetrated into cunning
It is punctured in positioning syringe 12 in moving sleeve 4.It is reused after disinfection capable of washing after use.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (7)
1. a kind of minimal invasive lumbar surgery locator, it is characterised in that:
Including pedestal (1), concentric handle (2), arched arm (3) and sliding sleeve (4)；
The pedestal (1) is made of square platform and dial (6), and dial (6) is set on square platform, dial (6) center
It is provided with groove, bottom portion of groove is provided with sheet metal, and kirschner pin hole (15) are provided on square platform；
Concentric handle (2) includes long-armed and galianconism, and galianconism one end and long-armed connection form L shape structure, and the other end of galianconism is vertical
The in-plane where L shape is provided with shaft, and long-armed close galianconism end is parallel to galianconism and is provided with tuning drive gear (7), separate
One end of galianconism is provided with multiple card slots (8) along rotor shaft direction；
Arched arm (3) is arc strip, and centre is provided with arc groove along long arc direction, and one end of groove is pierced by arched arm (3), recessed
It is provided with upright sliding bar on the opposite face of cambered surface where slot, one end that groove is not pierced by is provided with horizontal pointer (10)；
Sliding sleeve (4) includes sliding block (11), bolt, nut and positioning syringe (12), and nut is arranged on sliding block (11), sliding block
(11) plane of flattening in along nut inner wall is provided with diameter through-hole identical with nut internal diameter, and bolts and nuts match, pilot pin
Cylinder (12) is fixedly connected with nut in cross；
It is attached in the groove of the shaft pluggable pedestal (1) of concentric handle (2), it can in the card slot (8) of concentric handle (2) other end
It is inserted into the vertical bar of arched arm (3) and is bolted；
The sliding block (11) of sliding sleeve (4) can be caught in the arc groove of arched arm (3), and can be fixed by bolt.
2. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the dial on the pedestal (1)
(6) peripheral surface is carved with graduation mark, and upper surface is provided with orthogonal groove.
3. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the card slot on the concentric handle (2)
It (8) is 5.
4. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the card slot on the concentric handle (2)
(8) equal with the radius of arched arm (3) that the card slot (8) uses is inserted into the distance of galianconism, card slot (8) and arched arm (3) are right
It should use.
5. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the tuning drive gear (7), which is directed toward, carves
Scale (6), to indicate the rotational angle of concentric handle (2).
6. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the concentric handle (2) is by ABS engineering
Plastics are made.
7. minimal invasive lumbar surgery locator according to claim 1, it is characterised in that: the level of the arched arm (3) refers to
Needle (10) is made of metal, and in coniform, rest part is made the horizontal pointer (10) of ABS engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795012.3U CN208492329U (en) | 2017-12-20 | 2017-12-20 | A kind of minimal invasive lumbar surgery locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795012.3U CN208492329U (en) | 2017-12-20 | 2017-12-20 | A kind of minimal invasive lumbar surgery locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208492329U true CN208492329U (en) | 2019-02-15 |
Family
ID=65302480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721795012.3U Active CN208492329U (en) | 2017-12-20 | 2017-12-20 | A kind of minimal invasive lumbar surgery locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208492329U (en) |
-
2017
- 2017-12-20 CN CN201721795012.3U patent/CN208492329U/en active Active
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