CN213641119U

CN213641119U - Spinal percutaneous puncture angle auxiliary positioning device

Info

Publication number: CN213641119U
Application number: CN202022520826.4U
Authority: CN
Inventors: 张等锋
Original assignee: Jingchuan People's Hospital
Current assignee: Jingchuan People's Hospital
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-09
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a spinal column percutaneous puncture angle auxiliary positioning device relates to medical instrument technical field, has solved the puncture angle of current spinal puncture in-process part doctor's operation and has appeared angle error easily, has improved the operation risk promptly, has brought great painful problem again for the patient, and its technical scheme main points are: the device comprises a base, a marker post and a positioning rod, wherein the marker post is vertically connected with the surface of the base, and the end part of the positioning rod is rotatably connected with the end part of the marker post close to the base; sighting rod fixedly connected with angular surveying chi, the rotation point overlaps between angular surveying chi's the centre of a circle and locating lever and the sighting rod, and the angular surveying chi is worn to be equipped with the arc spout, and the arc spout is pegged graft have can with sighting rod screw-thread fit's fixing bolt. The utility model discloses make things convenient for the operation doctor to use the inclination of locating lever to carry out accurate angle puncture as the reference standard, reduced the operation risk, whole device easy operation.

Description

Spinal percutaneous puncture angle auxiliary positioning device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to a spinal percutaneous puncture angle auxiliary positioning device.

Background

At present, the minimally invasive spine surgery is rapidly developed in the aspect of treating spine diseases, and the percutaneous spine puncture technology is a key technical link of various minimally invasive spine surgeries such as percutaneous vertebroplasty, percutaneous kyphoplasty, percutaneous vertebral pedicle screw internal fixation and the like. However, due to the complex anatomy of the spine and the specific individual, it is difficult to precisely reach the affected area. In addition, the operation risk can be effectively reduced to a certain extent by accurately controlling the puncture angle by experienced operators during operation, and for some doctors, the puncture angle is easy to cause angle errors, so that the operation risk is improved, and great pain is brought to patients. Therefore, how to research and design the auxiliary positioning device for the percutaneous spinal puncture angle, which has a simple structure and is flexible to operate, is a problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spinal column percutaneous puncture angle auxiliary positioning device, which aims to solve the problem that the puncture angle operated by part of doctors in the existing spinal puncture process is easy to cause angle error, thereby improving the operation risk and bringing great pain to the patient.

The above technical purpose of the present invention can be achieved by the following technical solutions: a spinal percutaneous puncture angle auxiliary positioning device comprises a base, a marker post and a positioning rod, wherein the marker post is vertically connected with the surface of the base, and the end part of the positioning rod is rotatably connected with the end part of the marker post close to the base; sighting rod fixedly connected with angular surveying chi, the rotation point overlaps between angular surveying chi's the centre of a circle and locating lever and the sighting rod, and the angular surveying chi is worn to be equipped with the arc spout, and the arc spout is pegged graft have can with sighting rod screw-thread fit's fixing bolt.

Through adopting above-mentioned technical scheme, place the base at patient's back, not hard up fixing bolt rotates locating lever and sighting rod relatively to predetermined angle department, and fixing bolt removes in the arc spout, then screws up fixing bolt with locating lever and angular surveying chi relatively fixed, makes things convenient for the operation doctor to use the inclination of locating lever to carry out accurate angle puncture as the reference standard, has reduced the operation risk, whole device easy operation.

The utility model discloses further set up to: the measuring range of the angle measuring scale is 0-50 degrees.

Through adopting above-mentioned technical scheme, can be applicable to the required angular surveying of most vertebra puncture, reduce positioner occupation space simultaneously, make things convenient for the puncture operation to go on smoothly.

The utility model discloses further set up to: the marker post is provided with a first laser and a second laser at intervals, and the emitting directions of the first laser and the second laser are the same.

Through adopting above-mentioned technical scheme, when puncturing, first laser instrument, second laser instrument send two parallel light after starting simultaneously, and when two parallel light can shine puncture apparatus production projection point simultaneously, the angle of piercing of surface puncture apparatus is accurate, makes things convenient for the operation doctor to directly perceivedly correct the puncture angle.

The utility model discloses further set up to: the base symmetry is provided with two and rotates the cover, rotates the cover and rotates and be connected with the axis of rotation, and the sighting rod passes through connecting rod and axis of rotation fixed connection.

Through adopting above-mentioned technical scheme, the axis of rotation rotates with to rotate the cover and is connected, keeps flat on the base surface after rotating sighting rod, locating lever, angular surveying chi 90 degrees, disinfects after convenient folding reduction volume.

The utility model discloses further set up to: the rotating sleeve is provided with a first jack and a second jack in a penetrating manner, and the central angle degrees corresponding to the first jack and the second jack are 90 degrees; the rotating shaft is provided with a slot which can be aligned with the first jack and the second jack, and the first jack and the second jack are movably inserted with a bolt which can be inserted into the slot.

By adopting the technical scheme, the mark post and the base can be conveniently and vertically fixed after the bolt is sequentially inserted into the first jack and the slot; after the bolt is inserted into the second jack and the slot in sequence, the mark post and the base are conveniently fixed in parallel.

The utility model discloses further set up to: the base surface is connected with the rotation seat in a rotating mode, and the rotating sleeve is fixedly connected with the upper surface of the rotation seat.

Through adopting above-mentioned technical scheme, will rotate the seat and rotate 90 degrees backs, conveniently place folding sighting rod, locating lever, angular surveying chi along base length.

The utility model discloses further set up to: the length of the base is 20cm, the width is 3cm, and the lengths of the marker post and the positioning rod are 10-15 cm.

Through adopting above-mentioned technical scheme, overall structure accords with the operation standard of performing the operation, and the sighting rod, locating lever are placed just on the base surface after folding.

To sum up, the utility model discloses following beneficial effect has: the base is placed on the back of a patient, the fixing bolt is loosened, the positioning rod and the marker post are relatively rotated to a preset angle, the fixing bolt moves in the arc-shaped sliding groove, then the fixing bolt is screwed up to relatively fix the positioning rod and the angle measuring scale, so that a surgeon can conveniently perform accurate angle puncture by taking the inclination angle of the positioning rod as a reference standard, the surgical risk is reduced, and the whole device is simple to operate; when puncture is carried out, the first laser and the second laser are started simultaneously to emit two parallel light rays, and when the two parallel light rays can simultaneously irradiate the puncture instrument to generate a projection point, the puncture angle of the surface puncture instrument is accurate, so that an operator can conveniently and visually correct the puncture angle; after the rotating seat is rotated by 90 degrees, the folded marker post, the positioning rod and the angle measuring ruler are placed along the length of the base, so that the rotating seat is convenient to fold, and the size is reduced for disinfection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an open state in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural view of a folded state in the embodiment of the present invention;

fig. 4 is an enlarged schematic view at B in fig. 3.

In the figure: 101. a base; 102. a rotating seat; 103. rotating the sleeve; 104. a rotating shaft; 105. a first jack; 106. a connecting rod; 107. a second jack; 201. a marker post; 202. an angle measuring scale; 203. an arc-shaped chute; 204. positioning a rod; 205. fixing the bolt; 206. a first laser; 207. a second laser.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 4 and the embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): a spinal percutaneous puncture angle auxiliary positioning device is shown in figure 1 and comprises a base 101, a marker post 201 and a positioning rod 204, wherein the marker post 201 is vertically connected with the surface of the base 101, and the end part of the positioning rod 204 is rotatably connected with the end part of the marker post 201 close to the base 101; marker post 201 fixedly connected with angular surveying chi 202, the turning point overlaps between the centre of a circle of angular surveying chi 202 and locating lever 204 and the marker post 201, and the arc spout 203 is worn to be equipped with by angular surveying chi 202, and arc spout 203 pegs graft have can with marker post 201 screw-thread fit's fixing bolt 205. Place base 101 at the patient back, under the guidance of radiography technique, not hard up fixing bolt 205, with locating lever 204 and sighting rod 201 relative rotation to predetermined angle department, fixing bolt 205 removes in arc spout 203, then tighten fixing bolt 205 with locating lever 204 and angular surveying chi 202 relatively fixed, make things convenient for the operation doctor to use the inclination of locating lever 204 to carry out accurate angle puncture as the reference standard, reduced the operation risk, whole device easy operation.

In this embodiment, the angular measurement ruler 202 measures in the range of 0-50 degrees. Can be applicable to the required angular surveying of most vertebra puncture, reduce positioner occupation space simultaneously, make things convenient for the puncture operation to go on smoothly.

As shown in fig. 1, the marker post 201 is provided with a first laser 206 and a second laser 207 at intervals, and the emitting directions of the first laser 206 and the second laser 207 are the same. When puncture is carried out, the first laser 206 and the second laser 207 emit two parallel light rays after being started simultaneously, when the two parallel light rays can irradiate the puncture instrument to generate a projection point simultaneously, the puncture angle of the surface puncture instrument is accurate, and an operator can conveniently and visually correct the puncture angle. It should be noted that the different installation orientations of the first laser 206 and the second laser 207 can realize the inspection of the puncturing angles in different directions, and in addition, the angle between the emitting direction of the first laser 206 and the second laser 207 and the axial direction of the positioning rod 204 can ensure that the projection point can irradiate on the puncturing device.

As shown in fig. 3 and 4, the base 101 is symmetrically provided with two rotating sleeves 103, the rotating sleeves 103 are rotatably connected with a rotating shaft 104, and the post 201 is fixedly connected with the rotating shaft 104 through a connecting rod 106. The rotating shaft 104 is rotatably connected with the rotating sleeve 103, the marker post 201, the positioning rod 204 and the angle measuring scale 202 are rotated by 90 degrees and then flatly placed on the surface of the base 101, and the folding and the disinfection are facilitated after the size reduction.

As shown in fig. 2 and 4, the rotating sleeve 103 is provided with a first insertion hole 105 and a second insertion hole 107, and the central angle corresponding to the first insertion hole 105 and the second insertion hole 107 is 90 degrees; the rotating shaft 104 is provided with slots which can be aligned with the first jack 105 and the second jack 107, and the first jack 105 and the second jack 107 are movably inserted with pins which can be inserted into the slots (not shown). After the bolt is inserted into the first jack 105 and the slot in sequence, the mark post 201 is conveniently and vertically fixed with the base 101; after the plug is inserted into the second insertion hole 107 and the slot in sequence, the post 201 and the base 101 are conveniently fixed in parallel.

As shown in fig. 2 and 3, a rotating base 102 is rotatably connected to the surface of the base 101, and a rotating sleeve 103 is fixedly connected to the upper surface of the rotating base 102. After the rotating seat 102 is rotated by 90 degrees, the folded marker post 201, the positioning rod 204 and the angle measuring ruler 202 are conveniently placed along the length of the base 101.

As shown in FIG. 3, the length of the base 101 is 20cm, the width thereof is 3cm, and the lengths of the marker post 201 and the positioning rod 204 are 10-15 cm. The whole structure accords with the standard of operation, and the mark post 201 and the positioning rod 204 are folded to be placed on the surface of the base 101 or completely placed inside the edge.

The working principle is as follows: the base 101 is placed on the back of a patient, the fixing bolt 205 is loosened under the guidance of an angiography technology, the positioning rod 204 and the mark post 201 are relatively rotated to a preset angle, the fixing bolt 205 moves in the arc-shaped sliding groove 203, then the fixing bolt 205 is screwed down to relatively fix the positioning rod 204 and the angle measuring ruler 202, so that an operator can conveniently perform accurate angle puncture by taking the inclination angle of the positioning rod 204 as a reference standard, the operation risk is reduced, and the whole device is simple to operate; when puncture is carried out, the first laser 206 and the second laser 207 emit two parallel light rays after being started simultaneously, when the two parallel light rays can irradiate the puncture instrument to generate a projection point simultaneously, the puncture angle of the surface puncture instrument is accurate, and an operator can conveniently and visually correct the puncture angle.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A spinal percutaneous puncture angle auxiliary positioning device is characterized by comprising a base (101), a marker post (201) and a positioning rod (204), wherein the marker post (201) is vertically connected with the surface of the base (101), and the end part of the positioning rod (204) is rotatably connected with the end part of the marker post (201) close to the base (101); sighting rod (201) fixedly connected with angular surveying chi (202), the centre of a circle of angular surveying chi (202) overlaps with pivot point between locating lever (204) and sighting rod (201), and arc spout (203) are worn to be equipped with by angular surveying chi (202), arc spout (203) are pegged graft and are had can with sighting rod (201) screw-thread fit's fixing bolt (205).

2. The spinal percutaneous puncture angle auxiliary positioning device as claimed in claim 1, wherein the angle measuring ruler (202) has a measuring range of 0-50 degrees.

3. The auxiliary positioning device for the percutaneous spinal puncture angle as claimed in claim 1, wherein the marker post (201) is provided with a first laser (206) and a second laser (207) at intervals, and the emitting directions of the first laser (206) and the second laser (207) are the same.

4. The auxiliary positioning device for the percutaneous spinal puncture angle as claimed in claim 1, wherein the base (101) is symmetrically provided with two rotating sleeves (103), the rotating sleeves (103) are rotatably connected with a rotating shaft (104), and the marker post (201) is fixedly connected with the rotating shaft (104) through a connecting rod (106).

5. The auxiliary positioning device for the percutaneous puncture angle of the spinal column as claimed in claim 4, wherein the rotating sleeve (103) is provided with a first insertion hole (105) and a second insertion hole (107) in a penetrating manner, and the corresponding central angle degrees of the first insertion hole (105) and the second insertion hole (107) are 90 degrees; the rotating shaft (104) is provided with a slot which can be aligned with the first jack (105) and the second jack (107), and the first jack (105) and the second jack (107) are movably inserted with a bolt which can be inserted into the slot.

6. The auxiliary positioning device for the percutaneous spinal puncture angle as claimed in claim 4, wherein the surface of the base (101) is rotatably connected with a rotating seat (102), and the rotating sleeve (103) is fixedly connected with the upper surface of the rotating seat (102).

7. The auxiliary positioning device for the percutaneous spinal puncture angle as claimed in claim 1, wherein the base (101) has a length of 20cm and a width of 3cm, and the length of the marker post (201) and the positioning rod (204) is 10-15 cm.