CN210114481U - Spinal puncture positioning device - Google Patents
Spinal puncture positioning device Download PDFInfo
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- CN210114481U CN210114481U CN201920463468.2U CN201920463468U CN210114481U CN 210114481 U CN210114481 U CN 210114481U CN 201920463468 U CN201920463468 U CN 201920463468U CN 210114481 U CN210114481 U CN 210114481U
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- positioning
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- positioning device
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Abstract
The utility model relates to a spinal puncture positioner, include: the main body is arc-shaped, and a sliding groove is formed in the main body and is arc-shaped; a main positioning part disposed at a rear side of the main body, the main positioning part including at least one positioning hole; the auxiliary positioning component is arranged at the rear end of one end of the main body and is of a hollow structure; and a locking member, a second end of which passes through the sliding groove and is connected with the main positioning member, and the main positioning member reciprocates between two ends of the main body through the locking member. The device has the advantages that the angle position of the main positioning part is adjusted by utilizing the sliding groove, and the puncture angle can be accurately adjusted by utilizing the locking part for locking; the auxiliary positioning component is utilized to perform primary positioning to determine a puncture point, and then the main positioning component is utilized to perform final positioning by utilizing the principle that two points are in a straight line.
Description
Technical Field
The present invention relates to, and more particularly to.
Background
When spine minimally invasive surgery is performed, positioning before the surgery is of great importance, and if the positioning is inaccurate, a structure behind the spine is damaged, and trauma is increased.
In the existing puncture positioning operation, medical staff is generally required to operate with bare hands, clinical experience and feeling are relied on, X-rays are required to perform fluoroscopy, repeated positioning is easy to occur for many times, the time of exposing the medical staff and a patient to the X-rays is too long, the operation time is prolonged, and the body of the patient is damaged.
Therefore, a spine puncture positioning device which can adjust the angle and does not need to puncture for many times is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spinal puncture positioner to the not enough among the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a spinal puncture positioning device comprising:
the body is arc-shaped, a sliding groove is formed in the body and is arc-shaped, and the radian of the sliding groove is smaller than that of the body;
a main positioning member disposed at a rear side of the main body, the main positioning member including at least one positioning hole penetrating a first end and a second end of the main positioning member;
the auxiliary positioning component is arranged at the rear end of one end of the main body and is of a hollow structure;
the first end of the locking component is arranged at the front end of the main body, the second end of the locking component penetrates through the sliding groove to be connected with the main positioning component, and the main positioning component reciprocates between the two ends of the main body through the locking component.
Preferably, the secondary positioning member is disposed at a rear side of the first end and/or the second end of the main body.
Preferably, the arc of the body is 90 ° to 120 °.
Preferably, the radian of the sliding groove is 60-90 degrees.
Preferably, the arc of the body is 120 ° and the arc of the sliding groove is 90 °.
Preferably, the main positioning part comprises a plurality of positioning holes, and the plurality of positioning holes are regularly distributed.
Preferably, the front end of the main body is provided with an angle scale.
Preferably, the first end of the main positioning component is in a flat head structure, and the second end of the main positioning component is in a round head structure.
Preferably, the locking member is a locking screw.
Preferably, the body is a mirror-symmetrical structure.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the spinal puncture positioning device of the utility model utilizes the sliding groove to adjust the angle position of the main positioning part and utilizes the locking part to lock, thus being capable of accurately adjusting the puncture angle; the method comprises the following steps of firstly carrying out primary positioning by using an auxiliary positioning component to determine a puncture point, and then carrying out final positioning by using a main positioning component by using the principle that two points are in a straight line; the puncture positioning is successful once, so that the time of exposing medical personnel and a patient to X-rays is reduced, and the damage to the spine of the patient is reduced.
Drawings
Fig. 1 is a schematic diagram of an exemplary embodiment of the present invention.
Fig. 2-4 are schematic views of the usage process of an exemplary embodiment of the present invention.
Wherein the reference numerals are: a main body 1; a chute 2; a main positioning member 3; a positioning hole 4; an auxiliary positioning member 5; a locking member 6; an angle scale 7; and a puncture needle 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses an exemplary embodiment, as shown in FIG. 1, a spinal puncture positioner, including main part 1, main locating part 3, assist locating part 5 and locking part 6, assist locating part 5 and set up in the at least one end of main part 1, locking part 6 is connected main locating part 3 and main part 1, and main locating part 3 carries out reciprocating motion between the both ends of main part 1.
Further, the radian of the main body 1 is 90-120 degrees, and the radian of the sliding groove 2 is 60-90 degrees.
Further, the arc of the sliding groove 2 is smaller than that of the body 1.
Further, the curvature of the body 1 is preferably 120 °, and the curvature of the sliding groove 2 is preferably 90 °.
The main positioning part 3 comprises at least one positioning hole 4, the positioning hole 4 penetrates through the first end and the second end of the main positioning part 3, and the main positioning part 3 is arranged at the rear end of the main body 1 along the radial direction of the main body 1.
Further, the main positioning component 3 is a positioning rod, a first end of the main positioning component is a flat-head structure, a second end of the main positioning component is a round-head structure, the first end is located at the upper end of the main body 1, and the second end is located at the lower end of the main body 1.
Furthermore, the number of the positioning holes 4 can be plural, and the plurality of positioning holes 4 are regularly distributed, for example, are annularly and symmetrically arranged.
Specifically, one positioning hole 4 is located at the center, and the remaining positioning holes 4 are arranged to surround with the positioning hole 4 as the center.
Further, the number of the positioning holes 4 is 4-9, preferably 4-7, more preferably 4-6, and most preferably 5.
The auxiliary positioning member 5 is disposed at the first end and/or the second end of the main body 1, i.e., may be disposed at the first end of the main body 1 alone, may be disposed at the second end of the main body 1 alone, or may be disposed at both the first end and the second end of the main body 1.
In the present embodiment, the description will be given taking an example in which the auxiliary positioning member 5 is provided at the first end or the second end of the main body 1.
The auxiliary positioning member 5 is a hollow structure, and is disposed at the rear end of the main body 1 in the radial direction of the main body 1.
Further, an auxiliary positioning member 5 is provided between the first end of the main body 1 and the first end of the slide groove 2; or between the second end of the main body 1 and the second end of the sliding groove 2.
Further, the axial direction of the auxiliary positioning member 5 forms an angle with the central axis of the main body 1, and the angle ranges from 37.5 degrees to 52.5 degrees.
Further, the angle is 52.5 °.
The first end of the locking component 6 is positioned at the front end of the main body 1, and the second end of the locking component 6 passes through the sliding groove 2 to be connected with the main positioning component 3, so that the main positioning component 3 is fixed, and the main positioning component 3 is prevented from displacement.
Further, the locking member 6 is a screw.
Further, the inside of the slide groove 2 has a texture to improve the friction between the lock member 6 and the slide groove 2, preventing the lock member 6 from slipping off.
An angle scale 7 is further arranged at the front end of the main body 1, and the angle scale 7 is arranged at the upper end and/or the lower end of the front end of the main body 1.
Further, the central axis of the main body 1 is used as the center, the angle scale 7 is 90 degrees at the position, then the angle scale is gradually decreased towards two sides, and the numerical value of the angle scale 7 at the two ends is 30-45 degrees.
Further, the angle scales 7 comprise large scales and small scales, the interval between every two adjacent large scales is 5 degrees, and the interval between every two adjacent large scales and every two adjacent small scales is 2.5 degrees.
The utility model discloses a spinal puncture positioner's application method does: as shown in fig. 2, the main body 1 is placed at a position where puncture is needed, and then a puncture needle 8 (which can be a kirschner wire) is inserted into a human body through the auxiliary positioning component 5 and reaches a puncture point; then the locking component 6 is unscrewed, so that the main puncture component 3 can move along the sliding groove 2, and the proper puncture angle is adjusted; as shown in fig. 3, after the puncture angle is adjusted, the locking part 6 is screwed, and then a plurality of puncture needles 8 penetrate through different positioning holes 4 respectively and penetrate into the human body; as shown in fig. 4, at this time, one puncture needle 8 is selected based on the X-ray fluoroscopic image, and the remaining puncture needles 8 are withdrawn, whereby the puncture positioning operation can be completed.
The illustrative embodiment has the advantages that the angle position of the main positioning part is adjusted by the sliding groove, and the puncture angle can be accurately adjusted by locking by the locking part; the method comprises the following steps of firstly carrying out primary positioning by using an auxiliary positioning component to determine a puncture point, and then carrying out final positioning by using a main positioning component by using the principle that two points are in a straight line; the puncture positioning is successful once, so that the time of exposing medical personnel and a patient to X-rays is reduced, and the damage to the spine of the patient is reduced.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A spinal puncture positioning device, comprising:
the body is arc-shaped, a sliding groove is formed in the body and is arc-shaped, and the radian of the sliding groove is smaller than that of the body;
a main positioning member disposed at a rear side of the main body, the main positioning member including at least one positioning hole penetrating a first end and a second end of the main positioning member;
the auxiliary positioning component is arranged at the rear end of one end of the main body and is of a hollow structure;
the first end of the locking component is arranged at the front end of the main body, the second end of the locking component penetrates through the sliding groove to be connected with the main positioning component, and the main positioning component reciprocates between the two ends of the main body through the locking component.
2. The spinal puncture positioning device of claim 1, wherein the secondary positioning member is disposed posterior to the first end and/or the second end of the body.
3. The spinal puncture positioning device of claim 1, wherein the arc of the body is between 90 ° and 120 °.
4. The spinal puncture positioning device of claim 3, wherein the arc of the sliding groove is 60 ° to 90 °.
5. The spinal puncture positioning device of claim 4, wherein the arc of the body is 120 ° and the arc of the sliding slot is 90 °.
6. The spinal puncture positioning device of claim 1, wherein the main positioning component comprises a plurality of positioning holes, and the plurality of positioning holes are regularly distributed.
7. The spinal puncture positioning device of claim 1, wherein the front end of the body is provided with an angle scale.
8. The spinal puncture positioning device of claim 1, wherein the first end of the primary positioning member is flat-headed and the second end of the primary positioning member is round-headed.
9. The spinal puncture positioning device of claim 1, wherein the locking member is a locking screw.
10. The spinal puncture positioning device of claim 1, wherein the body is a mirror image structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463468.2U CN210114481U (en) | 2019-04-08 | 2019-04-08 | Spinal puncture positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463468.2U CN210114481U (en) | 2019-04-08 | 2019-04-08 | Spinal puncture positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210114481U true CN210114481U (en) | 2020-02-28 |
Family
ID=69612655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920463468.2U Expired - Fee Related CN210114481U (en) | 2019-04-08 | 2019-04-08 | Spinal puncture positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210114481U (en) |
-
2019
- 2019-04-08 CN CN201920463468.2U patent/CN210114481U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 Termination date: 20210408 |