阅读说明：本技术 一种脊柱外科穿刺定位器 (Spinal surgery puncture locator ) 是由 李彦明 于 2020-04-17 设计创作，主要内容包括：本发明公开了一种脊柱外科穿刺定位器,包括固定杆,所述固定杆外壁套设有移动套,且移动套一侧开设有凹槽,并且移动套的凹槽内胶合固定有固定圈,所述移动套的一侧还设有半圆形的刻度板,所述固定圈内插设有转动杆,且转动杆的远固定圈端固定有安装套固定件,并且转动杆上端设有指针,所述安装套固定件中心开设有通孔,且安装套固定件通孔内插设有刺针安装套,并且刺针安装套的下端连接有“L”形的定位杆,所述刺针安装套的中心部位开设有通孔,且刺针安装套的外壁开设有螺栓固定槽。该脊柱外科穿刺定位器设置有定位结构,可以准确的将刺针的位置固定住,方便将刺针刺入到同一个位置,方便将角度调整后刺针重新刺入到预定的位置。(the invention discloses a spinal surgery puncture locator which comprises a fixed rod, wherein a movable sleeve is sleeved on the outer wall of the fixed rod, a groove is formed in one side of the movable sleeve, a fixed ring is fixed in the groove of the movable sleeve in a gluing mode, a semicircular scale plate is further arranged on one side of the movable sleeve, a rotating rod is inserted in the fixed ring, a mounting sleeve fixing part is fixed at the far fixing ring end of the rotating rod, a pointer is arranged at the upper end of the rotating rod, a through hole is formed in the center of the mounting sleeve fixing part, a puncture needle mounting sleeve is inserted in the through hole of the mounting sleeve fixing part, an L-shaped positioning rod is connected to the lower end of the puncture needle mounting sleeve, a through hole is formed in the center of the puncture needle mounting sleeve, and a bolt fixing groove is formed in the outer wall of the puncture needle mounting sleeve.)

1. the spinal surgery puncture locator comprises a fixing rod (1) and is characterized in that a moving sleeve (3) is sleeved on the outer wall of the fixing rod (1), a groove is formed in one side of the moving sleeve (3), a fixing ring (4) is fixed in the groove of the moving sleeve (3) in a gluing mode, a semicircular scale plate (6) is further arranged on one side of the moving sleeve (3), a rotating rod (5) is inserted into the fixing ring (4), a mounting sleeve fixing piece (12) is fixed to the far fixing ring (4) end of the rotating rod (5), a pointer (9) is arranged at the upper end of the rotating rod (5), a through hole is formed in the center of the mounting sleeve fixing piece (12), a puncture needle mounting sleeve (10) is inserted into the through hole of the mounting sleeve (12), a L-shaped locating rod (13) is connected to the lower end of the mounting sleeve (10), a through hole is formed in the center of the puncture needle mounting sleeve (10), a bolt fixing groove (15) is formed in the outer wall of the puncture needle mounting sleeve (10), an arc-shaped moving hole (14) is formed in the outer wall of the scale plate (6), and the moving sleeve (14) is inserted into one end of the.

2. The spinal surgical penetration locator of claim 1, wherein: the threaded hole is formed in the end, far away, of the rotating rod (5) of the movable sleeve (3), a first fixing bolt (2) is arranged in the threaded hole of the movable sleeve (3), and one end of the first fixing bolt (2) abuts against the outer wall of the fixing rod (1).

3. The spinal surgical penetration locator of claim 1, wherein: the retainer plate (4) is ring-shaped, the inner side of the retainer plate (4) is arc-shaped and convex, and the distance between the arc-shaped bulges on the inner side of the retainer plate (4) is smaller than the diameter of the outer ring of the rotating rod (5).

4. The spinal surgical penetration locator of claim 1, wherein: the rotating rod (5) is positioned on the circle center of the semicircular scale plate (6).

5. The spinal surgical penetration locator of claim 1, wherein: the outside cover of locating lever (7) is equipped with fixing bolt (8), and the outer lane diameter of fixing bolt (8) is greater than the inside diameter of removal hole (14).

6. The spinal surgical penetration locator of claim 1, wherein: the upper end of the pointer (9) is conical, and the length of the pointer (9) is larger than the distance from the rotating rod (5) to the moving hole (14).

7. The spinal surgical penetration locator of claim 1, wherein: the installation cover fixing part (12) is provided with a threaded hole at the end of the far rotating rod (5), a second fixing bolt (11) is arranged in the threaded hole of the rotating rod (5), and one end of the second fixing bolt (11) is pressed against the bolt fixing groove (15).

8. The spinal surgical penetration locator of claim 1, wherein: the lower end bending end of the positioning rod (13) is provided with a positioning hole (16), and the positioning hole (16) is positioned under the puncture needle mounting sleeve (10).

9. The spinal surgical penetration locator of claim 1, wherein: the moving hole (14) is arc-shaped, and the inner diameter of the moving hole (14) is larger than the outer ring diameter of the positioning rod (7).

10. The spinal surgical penetration locator of claim 1, wherein: the bolt fixing groove (15) is long-strip-shaped, and the bolt fixing groove (15) is parallel to the through hole in the center of the puncture needle mounting sleeve (10).

Technical Field

The invention relates to the technical field of medical supplies, in particular to a spinal surgery puncture locator.

Background

The spinal puncture locator is used for puncture location of a certain target point of a deep spinal column in a body, and particularly can be used for puncture location of spinal parts such as intervertebral foramen, intervertebral discs, articular processes, vertebral pedicle and the like. With the development of clinical departments such as minimally invasive spine surgery, endoscopic spine surgery, pain department, neurology department and the like, many minimally invasive surgeries need to be guided and positioned by puncture needles to reach target spots, surgical focuses or surgical channels, such as intervertebral foramen mirror surgery, percutaneous pedicle screw internal fixation, intervertebral disc radio frequency ablation, nerve root block anesthesia and the like.

The existing deep spine target or operation area is extremely small, a plurality of important nerves, blood vessels and internal organs surround the near periphery, and the shielding of hard bone tissues needs to be avoided sometimes. The operator can reach the ideal operation area safely and smoothly only by reaching the target point according to the operation needle insertion path designed before the operation, thereby avoiding serious operation complications or sequelae. However, for novice patients, the operator often needs to repeatedly position the puncture needle in a perspective manner and repeatedly adjust the direction, angle and depth of the puncture needle to obtain a safe needle insertion path and a satisfactory needle point position.

Disclosure of Invention

The invention aims to provide a spinal surgery puncture locator, which solves the problems that the existing puncture locating device in the background art cannot accurately locate in the using process, so that a puncture needle is not easy to accurately puncture to the original position after being drawn out, and the adjustment is inconvenient.

in order to achieve the purpose, the invention provides the following technical scheme that the spinal surgery puncture positioner comprises a fixed rod, wherein a movable sleeve is sleeved on the outer wall of the fixed rod, a groove is formed in one side of the movable sleeve, a fixed ring is fixed in the groove of the movable sleeve in a gluing mode, a semicircular scale plate is further arranged on one side of the movable sleeve, a rotating rod is inserted in the fixed ring, a mounting sleeve fixing part is fixed to the far fixed ring end of the rotating rod, a pointer is arranged at the upper end of the rotating rod, a through hole is formed in the center of the mounting sleeve fixing part, a puncture needle mounting sleeve is inserted in the through hole of the mounting sleeve fixing part, an L-shaped positioning rod is connected to the lower end of the puncture needle mounting sleeve, a through hole is formed in the center of the puncture needle mounting sleeve, a bolt fixing groove is formed in the outer wall of the puncture needle mounting sleeve, an arc-shaped moving hole is formed in the outer wall.

Preferably, a threaded hole is formed in the far rotating rod end of the moving sleeve, a first fixing bolt is arranged in the threaded hole of the moving sleeve, and one end of the first fixing bolt abuts against the outer wall of the fixing rod.

Preferably, the retainer plate is ring shape, and the inboard of retainer plate is the arc arch to interval between the inboard arc arch of retainer plate is less than the outer lane diameter of dwang.

Preferably, the rotating rod is positioned on the center of the semicircular scale plate.

Preferably, the positioning rod is externally sleeved with a fixing bolt, and the diameter of the outer ring of the fixing bolt is larger than the inner diameter of the moving hole.

Preferably, the upper end of the pointer is conical, and the length of the pointer is greater than the distance from the rotating rod to the moving hole.

Preferably, the far rotating rod end of the mounting sleeve fixing part is provided with a threaded hole, a second fixing bolt is arranged in the threaded hole of the rotating rod, and one end of the second fixing bolt abuts against the bolt fixing groove.

Preferably, the lower end bending end of the positioning rod is provided with a positioning hole, and the positioning hole is positioned under the puncture needle mounting sleeve.

Preferably, the moving hole is arc-shaped, and the inner diameter of the moving hole is larger than the outer ring diameter of the positioning rod.

Preferably, the bolt fixing groove is long-strip-shaped, and the bolt fixing groove is parallel to the through hole in the center of the puncture needle mounting sleeve.

Compared with the prior art, the invention has the beneficial effects that: the puncture locator for spinal surgery is provided with the positioning structure, so that the position of the puncture needle can be accurately fixed, the puncture needle can be conveniently punctured into the same position, and the puncture needle can be conveniently punctured into the preset position again after the angle is adjusted. The first fixing bolt on the moving sleeve of the device can penetrate through the moving sleeve to be fixed on the fixed rod, the moving sleeve on the fixed rod is fixed, the moving sleeve is convenient to move to fix, the second fixing bolt can be propped against a bolt fixing groove in the outer wall of the pricking needle mounting sleeve, the position of the pricking needle mounting sleeve inside the mounting sleeve is clamped, the rotating condition of the pricking needle mounting sleeve in the mounting sleeve is avoided, a positioning rod on a pointer can rotate in a moving hole, the moving path of the pointer can be limited through the positioning rod, the deviation of the pointer is prevented, the fixing bolt on the positioning rod can be propped against a scale plate, and the position of the positioning rod is fixed.

Drawings

FIG. 1 is a schematic view of a spinal surgical puncturing positioner according to the present invention;

FIG. 2 is a side view of a graduated plate of a spinal surgical penetration locator of the present invention;

FIG. 3 is a schematic view of a positioning rod of a spinal surgical puncturing positioner according to the present invention;

FIG. 4 is a side view of a spinal surgical penetration locator retaining ring of the present invention;

FIG. 5 is a schematic view of a connecting structure of a positioning rod and a pointer of a spinal surgical puncturing positioner according to the present invention.

In the figure: 1. the needle fixing device comprises a fixing rod, 2, a first fixing bolt, 3, a moving sleeve, 4, a fixing ring, 5, a rotating rod, 6, a scale plate, 7, a positioning rod, 8, a fixing bolt, 9, a pointer, 10, a needle mounting sleeve, 11, a second fixing bolt, 12, a mounting sleeve fixing piece, 13, a positioning rod, 14, a moving hole, 15, a bolt fixing groove, 16 and a positioning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

referring to fig. 1-5, the invention provides a technical scheme that a spinal surgery puncture locator comprises a fixing rod 1, a moving sleeve 3 is sleeved on the outer wall of the fixing rod 1, a groove is formed in one side of the moving sleeve 3, a fixing ring 4 is glued and fixed in the groove of the moving sleeve 3, a semicircular scale plate 6 is further arranged on one side of the moving sleeve 3, a threaded hole is formed in the far rotating rod 5 end of the moving sleeve 3, a first fixing bolt 2 is arranged in the threaded hole of the moving sleeve 3, one end of the first fixing bolt 2 abuts against the outer wall of the fixing rod 1, the threaded hole of the outer wall of the moving sleeve 3 of the structure plays a role of accommodating the first fixing bolt 2, so that the first fixing bolt 2 can penetrate through the moving sleeve 3 to abut against the fixing rod 1, the moving sleeve 3 can be fixed on the fixing rod 1, a rotating rod 5 is inserted in the fixing ring 4, the rotating rod sleeve 12 is fixed at the end of the rotating rod, and the upper end of the positioning hole 5, and the positioning sleeve 5 is provided with a scale structure, when the pointer 14 of the fixing pin 7 is positioned in the positioning hole 7, the positioning hole, the positioning sleeve 7, the positioning needle 7, the positioning sleeve 7, the needle, the positioning sleeve 7 is positioned in the case, the needle is positioned in the positioning sleeve 7, the positioning sleeve 7 is positioned in the positioning sleeve 7, the fixing hole is positioned in the positioning sleeve 7, the positioning sleeve 7, the positioning sleeve is positioned in the positioning sleeve, the fixing hole is positioned in the fixing structure, the positioning sleeve, the fixing hole, the positioning sleeve, the fixing hole, the fixing sleeve, the positioning sleeve, the fixing sleeve, the positioning sleeve 7, the positioning sleeve 7, the fixing sleeve 7, the positioning sleeve, the fixing sleeve is provided with the fixing hole, the fixing sleeve, the fixing rod, the fixing sleeve, the fixing rod, the fixing structure, the fixing rod, the fixing structure, the fixing hole, the fixing structure, the fixing rod, the fixing hole is provided with the fixing rod, the fixing structure, the fixing rod, the fixing sleeve, the fixing hole, the fixing rod, the fixing structure, the fixing rod, the fixing structure, the.

The working principle is as follows: when the spinal surgery puncture locator is used, the lower end of a fixing rod 1 of the device is arranged at a proper position, a second fixing bolt 11 on a fixing piece 12 of the device is screwed, the position of a puncture needle mounting sleeve 10 is fixed, then the position of a movable sleeve 3 is adjusted, the lower end of a positioning rod 13 can be propped against the position of a preset puncture, then a first fixing bolt 2 is screwed, the position of the movable sleeve 3 is clamped, then the fixing piece 12 of the mounting sleeve is rotated, a rotating rod 5 on the fixing piece 12 of the mounting sleeve can rotate in a fixing ring 4, meanwhile, the rotating rod 5 can drive a pointer 9 to rotate, a positioning rod 7 on the pointer 9 can move in a moving hole 14, a user can observe through the reading of the pointer 9, then the fixing bolt 8 on the positioning rod 7 is screwed, the position of the pointer 9 is fixed, and meanwhile, the angle of the puncture needle mounting sleeve 10 on the fixing piece 12 of the mounting sleeve is fixed, the puncture needle penetrates through the through hole in the puncture needle mounting sleeve 10 and is guided into the positioning hole 16 of the positioning rod 13, after puncture, the mounting sleeve fixing piece 12 can be rotated to adjust the angle of the puncture needle mounting sleeve 10, the lower end of the positioning rod 13 can be propped against the puncture position, the lower end of the positioning rod 13 cannot be displaced, and therefore re-puncture work in the later period is facilitated, and a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.