CN211834627U - Accurate directional ruler for lateral ventricle puncture - Google Patents
Accurate directional ruler for lateral ventricle puncture Download PDFInfo
- Publication number
- CN211834627U CN211834627U CN201920823064.XU CN201920823064U CN211834627U CN 211834627 U CN211834627 U CN 211834627U CN 201920823064 U CN201920823064 U CN 201920823064U CN 211834627 U CN211834627 U CN 211834627U
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- CN
- China
- Prior art keywords
- puncture
- positioning bolt
- fixing
- guide way
- bolt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000003140 lateral ventricle Anatomy 0.000 title claims abstract description 17
- 210000000613 ear canal Anatomy 0.000 claims abstract description 20
- 210000001061 forehead Anatomy 0.000 claims abstract description 17
- 230000006978 adaptation Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000033912 thigmotaxis Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 208000003906 hydrocephalus Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
A lateral ventricle puncture precise orientation ruler comprises an orientation ruler body, an ear canal positioning bolt, a forehead positioning bolt and a plurality of puncture guide grooves for fixing puncture tubes, wherein first fixing seats are arranged at two ends of the orientation ruler body, the ear canal positioning bolt penetrates through the first fixing seats, and one end of each first fixing seat is in threaded connection with a fixing bolt; a second fixed seat is arranged on one side of the center line of the top of the directional ruler body, and a forehead positioning bolt is arranged on the second fixed seat in a penetrating mode; the bilateral symmetry that the guiding ruler body surface lies in the second fixing base is equipped with the scale mark, and the middle part of scale mark all is equipped with the rectangle through-hole, and the puncture guide way cross-section is U type structure, is equipped with two bolts on the puncture guide way lateral wall, through embedding two bolts to the rectangle through-hole in to the cooperation nut is fixed, makes the puncture guide way fix on the guiding ruler body, simple structure, and low cost can use at different levels hospital, especially basic unit hospital uses widely.
Description
Technical Field
The utility model relates to an auxiliary medical appliance for brain surgery, in particular to a lateral ventricle puncture precise orientation ruler.
Background
Neurosurgical diseases such as ventricular hemorrhage and hydrocephalus generally need to be treated by performing lateral ventricular puncture. Most of the clinical upper ventricle puncture selects lateral ventricle frontal angle puncture, the operation mostly adopts 2cm before frontal coronal suture, 1.5-2.5cm beside the midline is puncture point, after drilling skull, puncture tube aims at midpoint of imaginary connecting line of external auditory canals at two sides and slowly penetrates into puncture tube 5-6cm after entering lateral ventricle frontal angle, but in the actual operation process, the operator only needs to visually observe midpoint of imaginary connecting line of external auditory canals at two sides to puncture without the assistance of operation auxiliary instruments. The accuracy of the operation depends on the experience and skill of the operator. The puncture angle is difficult to master, and the deviation is very easy to appear, leads to puncturing repeatedly, increases the operation risk. In recent years, partial lateral ventricle puncture orienting devices are developed at home and abroad aiming at the current situation, the defects of complex operation, complex positioning principle and the like exist, the aim of homogenization of the lateral ventricle puncture operation effect of operators with different experiences can not be achieved, and in addition, because the head size of each patient is different, the fixing mechanism of the auditory canal can not be adjusted, so that the device can not adapt to various patients, meanwhile, a certain distance exists between the puncture orienting device and the top of the cerebral bag of the patient, and therefore, the device is easy to deviate when a puncture tube is inserted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an easy operation, location accuracy, low cost's locator to improve the accuracy of lateral ventricle frontal angle puncture art.
To the above problem, the utility model discloses an accurate directional ruler of side ventricle puncture.
The specific technical scheme is as follows:
a lateral ventricle puncture precise orientation ruler comprises an orientation ruler body, an ear canal positioning bolt, a forehead positioning bolt and a plurality of puncture guide grooves for fixing puncture tubes, wherein the orientation ruler body is of an arch structure, first fixing seats are fixedly arranged at two ends of the orientation ruler body, the ear canal positioning bolt horizontally penetrates through two sides of each first fixing seat, the ear canal positioning bolt is movably connected with the first fixing seats, one end of each first fixing seat is vertically and threadedly connected with a fixing bolt, and one end of each fixing bolt is connected with the ear canal positioning bolt and fixed by screwing the fixing bolt; a second fixed seat is arranged on one side of the center line of the top of the directional ruler body, the forehead positioning bolt vertically penetrates through the second fixed seat, and the forehead positioning bolt is in threaded connection with the second fixed seat; the surface of the directional ruler body is provided with a plurality of scale marks symmetrically on two sides of the second fixed seat, the scale marks are uniformly arranged along the surface of the directional ruler body, an intersection point is formed between extension lines of one end of each scale mark, the intersection point and the midpoint of an imaginary connecting line of the ear canal positioning bolt are positioned on the same horizontal plane, the middle of each scale mark on the surface of the directional ruler body is provided with a rectangular through hole, and the rectangular through holes are arranged along the direction of the scale marks; the puncture guide way is the rectangle structure, and one end sets up for the opening, and the cross-section of puncture guide way is U type structure, fixes being provided with two bolts on the other end lateral wall of puncture guide way, two the bolt all is connected with the puncture guide way is perpendicular to be distributed from top to bottom, the diameter of bolt with the width looks adaptation of rectangle through-hole, and two distance between the bolt is less than the length of rectangle through-hole, through inciting somebody to action two bolts on the puncture guide way are embedded into in the rectangle through-hole, the position of puncture guide way on the rectangle through-hole can be adjusted simultaneously, and cooperate the nut to fix again for the puncture guide way is fixed on the stereotaxis chi body, and the axle center extension line of puncture guide way with the mid point of duct positioning bolt's hypothetical connecting wire intersects.
Further, the number of the rectangular through holes is 8.
Further, the size of each of the penetration guide grooves is different.
Furthermore, a rubber gasket is fixedly arranged at the bottom end of the forehead positioning bolt.
Furthermore, the material of the orientation ruler is PVC or medical stainless steel.
Furthermore, the scale marks are uniformly distributed at the positions 1.5-2.5cm away from the two sides of the center of the directional ruler body.
The utility model has the advantages that:
(1) compared with the traditional puncture positioning device, the utility model discloses a directional bar cooperation forehead portion positioning bolt and duct positioning bolt fix it, and duct positioning bolt can adjust simultaneously, and rethread fixing bolt is fixed to it to can adapt to different patients, simple structure, low cost can use at different levels hospitals, especially basic unit's hospital uses widely.
(2) The utility model discloses well adoption puncture guide way is fixed puncture tube, and the distance between two bolts is less than the length of rectangle through-hole on the guide way of puncturing simultaneously for the adjustable position on the directional chi of puncture guide way, thereby can press close to the puncture point of patient's head with the guide way bottom, greatly increased puncture tube puncture's the degree of accuracy.
(3) The utility model discloses in set up the puncture guide way diameter of different diameters, can satisfy different diameter puncture tube puncture demands clinically, also set up the rectangle through-hole of different positions simultaneously to satisfy different patient actual conditions, realize puncturing in the other 1.5-2.5cm department position of patient head central line.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural view of the middle directional ruler body of the present invention.
Fig. 4 is a perspective view of the middle puncture guide groove of the present invention.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The utility model discloses in the fixed connection who mentions, fixed setting is the general connected mode among the mechanical field, and welding, bolt and nut are connected and the screw connection is all can.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Description of the reference numerals
The directional ruler comprises a directional ruler body 1, a first fixing seat 11, a fixing bolt 111, a second fixing seat 12, scale marks 13, a rectangular through hole 14, an ear canal positioning bolt 2, a forehead positioning bolt 3, a rubber gasket 31, a puncture guide groove 4, a bolt 41 and a nut 42.
A lateral ventricle puncture precise orientation ruler comprises an orientation ruler body, an ear canal positioning bolt, a forehead positioning bolt and a plurality of puncture guide grooves for fixing puncture tubes, wherein the orientation ruler body is of an arch structure, first fixing seats are fixedly arranged at two ends of the orientation ruler body, the ear canal positioning bolt horizontally penetrates through two sides of each first fixing seat, the ear canal positioning bolt is movably connected with the first fixing seats, one end of each first fixing seat is vertically and threadedly connected with a fixing bolt, and one end of each fixing bolt is connected with the ear canal positioning bolt and fixed by screwing the fixing bolt; a second fixed seat is arranged on one side of the center line of the top of the directional ruler body, the forehead positioning bolt vertically penetrates through the second fixed seat, and the forehead positioning bolt is in threaded connection with the second fixed seat; the surface of the directional ruler body is provided with a plurality of scale marks symmetrically on two sides of the second fixed seat, the scale marks are uniformly arranged along the surface of the directional ruler body, an intersection point is formed between extension lines of one end of each scale mark, the intersection point and the midpoint of an imaginary connecting line of the ear canal positioning bolt are positioned on the same horizontal plane, the middle of each scale mark on the surface of the directional ruler body is provided with a rectangular through hole, and the rectangular through holes are arranged along the direction of the scale marks; the puncture guide way is the rectangle structure, and one end sets up for the opening, and the cross-section of puncture guide way is U type structure, fixes being provided with two bolts on the other end lateral wall of puncture guide way, two the bolt all is connected with the puncture guide way is perpendicular to be distributed from top to bottom, the diameter of bolt with the width looks adaptation of rectangle through-hole, and two distance between the bolt is less than the length of rectangle through-hole, through inciting somebody to action two bolts on the puncture guide way are embedded into in the rectangle through-hole, the position of puncture guide way on the rectangle through-hole can be adjusted simultaneously, and cooperate the nut to fix again for the puncture guide way is fixed on the stereotaxis chi body, and the axle center extension line of puncture guide way with the mid point of duct positioning bolt's hypothetical connecting wire intersects.
Further, the number of the rectangular through holes is 8.
Further, the size of each of the penetration guide grooves is different.
Furthermore, a rubber gasket is fixedly arranged at the bottom end of the forehead positioning bolt.
Furthermore, the material of the orientation ruler is PVC or medical stainless steel.
Furthermore, the scale marks are uniformly distributed at the positions 1.5-2.5cm away from the two sides of the center of the directional ruler body.
The working principle is as follows:
when the positioning device is used, the auditory meatus positioning bolts at two sides of the orientation ruler are placed into the auditory meatus of a patient, the fixing bolts are screwed up to fix the positioning bolts, the forehead positioning bolts at the top of the orientation ruler are screwed up to fix the positioning bolts, then the puncture guide groove matched with the diameter of the puncture tube is selected, two bolts on the puncture guide groove are embedded into one corresponding rectangular through hole in the orientation ruler body, the adjustment is simultaneously carried out, the bottom end of the puncture guide groove is pressed close to the puncture point of the head of the patient, the puncture guide groove is fixed on the orientation ruler body by matching with a nut, the puncture tube is finally inserted along the puncture guide groove, and the axis extension line of the puncture tube is intersected with the midpoint of the imaginary connecting line of the auditory meatus positioning bolts at the moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The lateral ventricle puncture precise orientation ruler is characterized by comprising an orientation ruler body, an ear canal positioning bolt, a forehead positioning bolt and a plurality of puncture guide grooves for fixing puncture tubes, wherein the orientation ruler body is of an arch structure, first fixing seats are fixedly arranged at two ends of the orientation ruler body, the ear canal positioning bolt horizontally penetrates through two sides of each first fixing seat, the ear canal positioning bolt is movably connected with the first fixing seats, one end of each first fixing seat is vertically and threadedly connected with a fixing bolt, and one end of each fixing bolt is connected with the ear canal positioning bolt and fixed by screwing the fixing bolt; a second fixed seat is arranged on one side of the center line of the top of the directional ruler body, the forehead positioning bolt vertically penetrates through the second fixed seat, and the forehead positioning bolt is in threaded connection with the second fixed seat; the surface of the directional ruler body is provided with a plurality of scale marks symmetrically on two sides of the second fixed seat, the scale marks are uniformly arranged along the surface of the directional ruler body, an intersection point is formed between extension lines of one end of each scale mark, the intersection point and the midpoint of an imaginary connecting line of the ear canal positioning bolt are positioned on the same horizontal plane, the middle of each scale mark on the surface of the directional ruler body is provided with a rectangular through hole, and the rectangular through holes are arranged along the direction of the scale marks; the puncture guide way is the rectangle structure, and one end sets up for the opening, and the cross-section of puncture guide way is U type structure, fixes being provided with two bolts on the other end lateral wall of puncture guide way, two the bolt all is connected with the puncture guide way is perpendicular to be distributed from top to bottom, the diameter of bolt with the width looks adaptation of rectangle through-hole, and two distance between the bolt is less than the length of rectangle through-hole, through inciting somebody to action two bolts on the puncture guide way are embedded into in the rectangle through-hole, the position of puncture guide way on the rectangle through-hole can be adjusted simultaneously, and cooperate the nut to fix again for the puncture guide way is fixed on the stereotaxis chi body, and the axle center extension line of puncture guide way with the mid point of duct positioning bolt's hypothetical connecting wire intersects.
2. The lateral ventricle puncture precision orientation ruler of claim 1, wherein the number of the rectangular through holes is 8.
3. The lateral ventricle puncture precision orientation ruler of claim 1, wherein each of the puncture guide grooves has a different size.
4. The lateral ventricle puncture precision orientation ruler of claim 1, wherein a rubber gasket is fixedly arranged at the bottom end of the forehead positioning bolt.
5. The lateral ventricle puncture precision alignment ruler of claim 1, wherein the alignment ruler is made of PVC or medical stainless steel.
6. The lateral ventricle puncture precision orientation ruler of claim 1, wherein the graduation lines are evenly distributed at 1.5-2.5cm positions on both sides of the center of the orientation ruler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823064.XU CN211834627U (en) | 2019-06-03 | 2019-06-03 | Accurate directional ruler for lateral ventricle puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823064.XU CN211834627U (en) | 2019-06-03 | 2019-06-03 | Accurate directional ruler for lateral ventricle puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211834627U true CN211834627U (en) | 2020-11-03 |
Family
ID=73130102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920823064.XU Expired - Fee Related CN211834627U (en) | 2019-06-03 | 2019-06-03 | Accurate directional ruler for lateral ventricle puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211834627U (en) |
-
2019
- 2019-06-03 CN CN201920823064.XU patent/CN211834627U/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: 20201103 |