CN215458468U - Puncture guide instrument based on square theory craniocerebral focus - Google Patents
Puncture guide instrument based on square theory craniocerebral focus Download PDFInfo
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- CN215458468U CN215458468U CN202121207643.5U CN202121207643U CN215458468U CN 215458468 U CN215458468 U CN 215458468U CN 202121207643 U CN202121207643 U CN 202121207643U CN 215458468 U CN215458468 U CN 215458468U
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- sliding block
- sliding
- guide
- square
- fixed
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Abstract
The utility model discloses a puncture guiding instrument based on a square theory craniocerebral focus, which comprises: a base ring sleeved outside the cranium; the first sliding block can be in fixed-point sliding fit with the base ring; the second sliding block can be in fixed-point sliding fit with the first sliding block; the third sliding block can be in fixed-point sliding fit with the second sliding block; the guide component can be matched with the third sliding block in a sliding and rotating mode at a fixed point, and can guide the puncture needle; the first sliding block slides on the base ring, the second sliding block slides on the first sliding block, the third sliding block slides on the second sliding block, the three sliding blocks form a square plane with partial sliding, and the guide assembly slides perpendicular to the square plane. Because the local moving assembly that the slip drive direction subassembly of first slider, second slider, third slider constitutes moves the adjustment at the base ring wholly, can be quick accomplish the removal adjustment with the pjncture needle and target in place, improved operation efficiency.
Description
Technical Field
The utility model relates to a puncture guiding instrument based on a square theory craniocerebral focus, and belongs to the technical field of craniocerebral puncture.
Background
When the craniocerebral is punctured, in order to ensure the puncture path of the puncture needle, a guide instrument is needed to guide and position the puncture needle;
in a brain support stereotaxic instrument disclosed in chinese patent No. CN110384543A, when a puncture needle needs to move locally on a square theoretical plane at the side of a skull, if a huge whole formed by moving a puncture needle holder and a guide arm assembly is used, it is difficult to quickly move and adjust the puncture needle in place during movement, and the operation efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a puncture guiding instrument based on a square theory craniocerebral focus.
The utility model is realized by the following technical scheme.
The utility model provides a puncture guide instrument based on a square theory craniocerebral focus, which comprises: a base ring sleeved outside the cranium;
the first sliding block can be in fixed-point sliding fit with the base ring;
the second sliding block can be in fixed-point sliding fit with the first sliding block;
the third sliding block can be in fixed-point sliding fit with the second sliding block;
the guide component can be matched with the third sliding block in a sliding and rotating mode at a fixed point, and can guide the puncture needle;
the first sliding block slides on the base ring, the second sliding block slides on the first sliding block, the third sliding block slides on the second sliding block, the three sliding blocks form a square plane with partial sliding, and the guide assembly slides perpendicular to the square plane.
The base ring is provided with a plurality of compressing and positioning nails for compressing and positioning the cranium, and the stable state of the cranium is ensured by compressing and positioning the compressing and positioning nails.
The base ring is the polygon, and every limit outside all is equipped with the slide rail, be equipped with on the interior limit of first slider with slide rail complex spout, close soon on the first slider have with first slider revolve close or the first screw of unscrewing on the slide rail, the first screw of unscrewing, first slider and slide rail slip, the first screw of screwing, but first slider is screwed and can not slide on the slide rail, realizes fixed point sliding fit.
The second sliding block is T-shaped, a sliding groove which can be in sliding fit with the second sliding block is arranged outside the first sliding block, and a second screw which is used for screwing or unscrewing the second sliding block on the first sliding block is screwed on the first sliding block; the second screw is unscrewed, the first sliding block slides with the second sliding block, the second screw is screwed, and the second sliding block is screwed on the first sliding block and cannot slide, so that fixed-point sliding fit is realized.
The third sliding block is provided with a sliding groove matched with the T-shaped second sliding block, and a third screw for screwing or unscrewing the third sliding block on the second sliding block is screwed on the second sliding block; and the third screw is loosened, the third sliding block slides with the second sliding block, the third screw is screwed, and the third sliding block cannot slide on the second sliding block when being screwed, so that fixed-point sliding fit is realized.
Through holes are formed in the two sides of the third sliding block, butterfly screws are screwed on the upper portions of the through holes, the guide assembly penetrates through the through holes and is screwed or unscrewed by the butterfly screws, and fixed-point sliding and rotating of the guide assembly are controlled; when the butterfly screw is screwed down and the guide assembly is arranged in the through hole of the third sliding block, the guide assembly cannot slide and rotate, and when the butterfly screw is unscrewed and the guide assembly is arranged in the through hole of the third sliding block, the guide assembly can slide and rotate.
The guide assembly comprises a guide rod in sliding and rotating fit with the through hole of the third sliding block, a first guide plate fixed on the guide rod, and a second guide plate rotatably hinged on the guide rod through a shaft, and the middle parts of the other ends of the first guide plate and the second guide plate form a guide through hole capable of guiding the puncture needle after being fixed by a screw.
The utility model has the beneficial effects that: because the local moving assembly formed by the guide assembly is driven by the sliding of the first sliding block, the second sliding block and the third sliding block to move and adjust on the base ring, the puncture needle can be quickly moved and adjusted in place, the operation efficiency is improved, and the problem that the puncture needle is difficult to adjust in place due to the huge whole formed by the movable puncture needle fixer and the guide arm assembly is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: a 1-basic ring; 11-a slide rail; 12-pressing the positioning nail; 2-a first slide; 21-a first screw; 22-a second screw; 23-a third screw; 24-thumb screws; 3-a second slide block; 4-a third slide block; 51-a guide rod; 52-a first guide plate; 53-a second guide plate; 6-craniocerebral.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1.
The utility model relates to a puncture guiding instrument based on a square theory craniocerebral focus, which comprises: a base ring 1 sleeved outside the cranium 6;
the first sliding block 2 can be in fixed-point sliding fit with the base ring 1;
the second sliding block 3 can be in fixed-point sliding fit with the first sliding block 2;
a third slide block 4 which can be matched with the second slide block 3 in a fixed-point sliding manner;
the guide component can be matched with the third sliding block 4 in a sliding and rotating way at a fixed point, and can guide the puncture needle;
the sliding of the first slide block 2 on the base ring 1 (left-right sliding in the figure), the sliding of the second slide block 3 on the first slide block 2 (up-down sliding in the figure), and the sliding of the third slide block 4 on the second slide block 3 (up-down sliding in the figure) constitute a partially sliding square plane, and the guide assembly slides perpendicular to the square plane (front-back sliding of the vertical cranium 6 in the figure).
Because the local moving assembly formed by the guide assembly is driven by the sliding of the first sliding block 2, the second sliding block 3 and the third sliding block 4 to move and adjust on the base ring 1, the puncture needle can be quickly moved and adjusted in place, the operation efficiency is improved, and the problem that the puncture needle is difficult to adjust in place due to the huge whole formed by the movable puncture needle fixer and the guide arm assembly is solved.
The base ring 1 is provided with a plurality of compressing and positioning nails 12 for compressing and positioning the cranium 6, and the stable state of the cranium 6 is ensured by compressing and positioning the compressing and positioning nails 12.
The base ring 1 is the polygon such as quadrangle, and every limit outside all is equipped with slide rail 11, be equipped with on the 2 interior edges of first slider with slide rail 11 complex spout, the spiral closure has on the first slider 2 closes first screw 21 with first slider 2 spiral closure or the pine of unscrewing on slide rail 11, the first screw 21 of the pine of unscrewing, first slider 2 slides with slide rail 11, the first screw 21 of screwing, but first slider 2 is screwed and can not slide on slide rail 11, but realizes fixed point sliding fit.
The second sliding block 3 is T-shaped, a sliding groove which can be in sliding fit with the second sliding block 3 is arranged outside the first sliding block 2, and a second screw 22 which is used for screwing or unscrewing the second sliding block 3 on the first sliding block 2 is screwed on the first sliding block 2; the second screw 22 is loosened, the first sliding block 2 and the second sliding block 3 slide, the second screw 22 is screwed, and the second sliding block 3 is screwed on the first sliding block 2 and cannot slide, so that fixed-point sliding fit is realized.
The third sliding block 4 is provided with a sliding chute matched with the T-shaped second sliding block 3, and the second sliding block 3 is screwed with a third screw 23 for screwing or unscrewing the third sliding block 4 on the second sliding block 3; the third screw 23 is loosened, the third slide block 4 slides with the second slide block 3, the third screw 23 is screwed, and the third slide block 4 cannot slide with the second slide block 3 screwed, so that fixed-point sliding fit is realized.
Through holes are formed in the two sides of the third sliding block 4, butterfly screws 24 are screwed on the upper portions of the through holes, the guide assembly penetrates through the through holes and is screwed or unscrewed by the butterfly screws 24, and fixed-point sliding and rotation of the guide assembly are controlled; when the thumb screw 24 is screwed into the through hole of the third slider 4, the guide assembly cannot slide and rotate, and when the thumb screw 24 is unscrewed from the through hole of the third slider 4, the guide assembly can slide and rotate.
The guiding component comprises a guide rod 51 which is matched with the through hole of the third sliding block 4 in a sliding and rotating mode, a first guiding plate 52 fixed on the guide rod 51 and a second guiding plate 53 rotatably hinged on the guide rod 51 through a shaft, and the middle parts of the other ends of the first guiding plate 52 and the second guiding plate 53 are fixed by screws to form a guiding through hole capable of guiding the puncture needle.
Claims (10)
1. The utility model provides a puncture guide appearance based on square theoretical craniocerebral focus which characterized in that includes: a base ring (1) sleeved outside the cranium (6);
the first sliding block (2) can be in fixed-point sliding fit with the base ring (1);
the second sliding block (3) can be in fixed-point sliding fit with the first sliding block (2);
a third sliding block (4) which can be in fixed-point sliding fit with the second sliding block (3);
the guide component can be matched with the third sliding block (4) in a sliding and rotating mode at a fixed point, and can guide the puncture needle;
the sliding of the first sliding block (2) on the base ring (1), the sliding of the second sliding block (3) on the first sliding block (2) and the sliding of the third sliding block (4) on the second sliding block (3) form a partially sliding square plane, and the guide assembly slides perpendicular to the square plane.
2. The puncture guide instrument based on the square theoretical cranial lesion of claim 1, wherein: the base ring (1) is provided with a plurality of compressing and positioning nails (12) for compressing and positioning the cranium (6).
3. The puncture guide instrument based on the square theoretical cranial lesion of claim 1, wherein: the base ring (1) is polygonal, each side outside all is equipped with slide rail (11), be equipped with on the limit in first slider (2) with slide rail (11) complex spout.
4. The puncture guide instrument based on the square theoretical cranial lesion of claim 3, wherein: the first sliding block (2) is screwed with a first screw (21) which is used for screwing or unscrewing the first sliding block (2) on the sliding rail (11).
5. The square theory craniocerebral lesion-based puncture guide instrument of claim 4, wherein: the second sliding block (3) is T-shaped, and a sliding groove which can be in sliding fit with the second sliding block (3) is arranged outside the first sliding block (2).
6. The puncture guide instrument based on the square theoretical cranial lesion of claim 5, wherein: and a second screw (22) which is used for screwing or unscrewing the second sliding block (3) on the first sliding block (2) is screwed on the first sliding block (2).
7. The square theory craniocerebral lesion-based puncture guide instrument of claim 6, wherein: and a sliding groove matched with the T-shaped second sliding block (3) is arranged on the third sliding block (4).
8. The puncture guide instrument based on the square theoretical cranial lesion of claim 7, wherein: and a third screw (23) which is used for screwing or unscrewing the third sliding block (4) on the second sliding block (3) is screwed on the second sliding block (3).
9. The puncture guide instrument based on the square theoretical cranial lesion of claim 8, wherein: through holes are formed in the two sides of the third sliding block (4), the butterfly screws (24) are screwed on the upper portions of the through holes, the guide assembly penetrates through the through holes and is screwed or unscrewed by the butterfly screws (24), and fixed-point sliding and rotation of the guide assembly are controlled.
10. The puncture guide instrument based on the square theoretical cranial lesion of claim 9, wherein: the guide assembly comprises a guide rod (51) in sliding and rotating fit with the through hole of the third sliding block (4), a first guide plate (52) fixed on the guide rod (51), and a second guide plate (53) rotatably hinged on the guide rod (51) through a shaft, wherein the other ends of the first guide plate (52) and the second guide plate (53) form a guide through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207643.5U CN215458468U (en) | 2021-06-01 | 2021-06-01 | Puncture guide instrument based on square theory craniocerebral focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207643.5U CN215458468U (en) | 2021-06-01 | 2021-06-01 | Puncture guide instrument based on square theory craniocerebral focus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458468U true CN215458468U (en) | 2022-01-11 |
Family
ID=79781782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207643.5U Expired - Fee Related CN215458468U (en) | 2021-06-01 | 2021-06-01 | Puncture guide instrument based on square theory craniocerebral focus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458468U (en) |
-
2021
- 2021-06-01 CN CN202121207643.5U patent/CN215458468U/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: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |