Laser locator for intracranial lesion points

By designing a point laser locator for intracranial lesions, using a fixed bracket and a universal snake tube combined with a laser projector, the problem that traditional positioning methods cannot adjust the positioning direction and angle is solved, and precise positioning on the surface of the cranial brain is achieved. Suitable for emergency surgery.

CN110720993BActive Publication Date: 2025-01-07SIR RUN RUN HOSPITAL NANJING MEDICAL UNIV
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Patent Information

Application Number
CN201911076796.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-11-06
Publication Date
2025-01-07
Estimated Expiration
2039-11-06

AI Technical Summary

Technical Problem

Traditional intracranial positioning methods are difficult to adjust the positioning direction and angle according to the results of CT and MR examinations in emergency surgery, resulting in the inability to accurately locate intracranial lesions.

Method used

A laser locator for intracranial lesion point including a fixed bracket, a universal serpentine tube and a laser projector was designed. By projecting an equidistant parallel laser on the surface of the cranial brain, the positioning direction and angle are adjusted, and the universal serpentine tube and The combined structure of the laser projector achieves precise positioning.

Benefits of technology

It realizes the adjustment of parallel laser to the anatomical site according to CT results, providing accurate intracranial lesion positioning, suitable for emergency surgery and easy to promote.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a laser locator for intracranial lesion points, including a fixed bracket, a universal serpentine tube and a laser projector, wherein the fixed bracket includes a support rod, the top of the support rod is tightly welded with a top plate, one side of the top plate is tightly welded with a fixed rod, the bottom of the support rod is tightly welded with a base, and the end of the fixed rod away from the top plate is provided with a first connecting hole, and the universal serpentine tube includes a bend tube, one end of the bend tube is tightly welded with a first joint, and the end of the bend tube away from the first joint is tightly welded with a second joint. The present invention can adjust the positioning direction, angle, etc., and achieve the function of locating intracranial lesions by projecting equidistant parallel lasers on the surface of the skull and brain. It can project mutually perpendicular and parallel cross lasers and / or straight lasers, and according to the results of CT, MR and other imaging examinations of the patient, the parallel lasers can be adjusted to the plane of the anatomical part, so as to obtain a positioning line on the surface of the skull and brain.
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Description

Technical Field

[0001] The invention relates to the field of intracranial lesion point laser localization, in particular to an intracranial lesion point laser localizer. Background Art

[0002] Neurosurgery has high requirements for intracranial positioning. Due to the special anatomy, common diseases include cerebral hemorrhage, head trauma, intracranial space-occupying lesions, etc. The lesion site needs to be accurately located before surgery. Traditional positioning methods include the canthal line (OML) marking method, stereotactic method, neuronavigation method, etc. Since the skull and brain structure is not flat, the positioning error of the canthal line marking is large, and the equipment requirements for stereotactic positioning and neuronavigation are high and the preparation is complicated, which is not conducive to emergency surgery. During positioning, the positioning direction and angle cannot be adjusted according to the results of CT, MR and other examinations, so the role of locating intracranial lesions cannot be achieved. In view of this, we propose a laser locator for intracranial lesion points. Summary of the invention

[0003] The purpose of the present invention is to provide a laser locator for intracranial lesion points to solve the problems raised in the above-mentioned background technology that the positioning direction, angle, etc. cannot be adjusted according to the examination results of CT, MR, etc., thereby failing to locate intracranial lesions.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A laser locator for intracranial lesion points, comprising a fixed bracket, a universal serpentine tube and a laser projector, wherein the fixed bracket comprises a support rod, a top plate is tightly welded to the top of the support rod, a fixed rod is tightly welded to one side of the top plate, a base is tightly welded to the bottom of the support rod, and a first connecting hole is opened at one end of the fixed rod away from the top plate;

[0006] The universal serpentine tube comprises a bent tube, one end of which is tightly welded with a first joint, and the end of which is away from the first joint is tightly welded with a second joint;

[0007] The laser projector comprises a first laser positioning plate, a second laser positioning plate and a positioning arm, the tops of the first laser positioning plate and the second laser positioning plate are provided with a plurality of fixing blocks, the bottoms of the first laser positioning plate and the second laser positioning plate are provided with laser emission heads below the fixing blocks, the first laser positioning plate and the second laser positioning plate are rotationally connected via a rotating shaft, the second laser positioning plate and the positioning arm are rotationally connected via a rotating shaft, and a second connecting hole is provided at one end of the positioning arm close to the first joint;

[0008] A threaded opening is provided at the bottom of the fixing block, an external thread is provided at the top of the laser emitting head, and the top of the laser emitting head penetrates the first laser positioning plate and the second laser positioning plate at the top and is threadedly connected with the threaded opening.

[0009] Preferably, one side of the support rod is connected to a switch via a wire.

[0010] Preferably, the curved pipe is composed of more than 20 round-bottomed cup-shaped beads, each cup mouth is tightly connected with the cup bottom, and the cup mouth can slide around the circular cup bottom at different angles. More than 20 round-bottomed cup-shaped beads are arranged in a string, and the center is strung with a tough steel wire rope with a thickness of 0.2 cm.

[0011] Preferably, the second connector is plug-fitted into the first connecting hole.

[0012] Preferably, a universal joint is provided in the middle portion of the positioning arm.

[0013] Preferably, the second connecting hole is plug-fitted to the first connector.

[0014] Preferably, the base is a U-shaped structure.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the present invention can adjust the positioning direction, angle, etc., and locate intracranial lesions by projecting equidistant parallel lasers on the surface of the skull and brain. It can project mutually perpendicular and parallel cross lasers and / or straight lasers, and according to the patient's CT results, the parallel lasers can be adjusted to the plane of the anatomical part, so as to obtain a positioning line on the surface of the skull and brain. The present invention has great practical value and is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is one of the overall structural schematic diagrams of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of the fixing bracket in the present invention;

[0018] Figure 3 It is a schematic diagram of the structure of the universal serpentine tube in the present invention;

[0019] Figure 4 is a schematic diagram of the structure of the laser projector in the present invention;

[0020] Figure 5 It is a schematic diagram of the structure of the fixed block and the laser transmitting head in the present invention;

[0021] Figure 6 This is the second schematic diagram of the overall structure of the present invention;

[0022] Figure 7 is a side view of the laser projector of the present invention;

[0023] Figure 8 It is a schematic diagram of the internal structure of the elbow in the present invention.

[0024] In the figure: 1. fixed bracket; 11. support rod; 111. bracket fixing frame; 112. serpentine tube fixing frame; 12. top plate; 13. fixing rod; 131. first connecting hole; 14. switch; 141. steel wire; 15. base; 151. fixing seat; 2. universal serpentine tube; 21. bent pipe; 211. beads; 22. first joint; 23. second joint; 3. laser projector; 31. first laser positioning plate; 311. fixing block; 3111. threaded mouth; 312. laser transmitter; 3121. external thread; 32. second laser positioning plate; 33. positioning arm; 331. universal joint; 332. second connecting hole; 34. rotating shaft; 35. telescopic arm slide rail frame; 351. scale line; 352. connecting rod; 36. telescopic arm; 37. laser head; 371. knob;. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0028] invention

[0029] Example 1

[0030] A laser locator for intracranial lesion points, such as Figure 1 and Figure 2 As shown, it includes a fixed bracket 1, a universal serpentine tube 2 and a laser projector 3. The fixed bracket 1 includes a support rod 11. One side of the support rod 11 is connected to a switch 14 through a wire. The top of the support rod 11 is tightly welded with a top plate 12. One side of the top plate 12 is tightly welded with a fixed rod 13. The bottom of the support rod 11 is tightly welded with a base 15. The end of the fixed rod 13 away from the top plate 12 is provided with a first connecting hole 131.

[0031] Furthermore, the base 15 is a U-shaped structure, which can vertically support the support rod 11 to ensure the stability of the device.

[0032] like Figure 3 As shown, the universal serpentine tube 2 includes a bend tube 21 , one end of the bend tube 21 is tightly welded with a first joint 22 , and the end of the bend tube 21 away from the first joint 22 is tightly welded with a second joint 23 .

[0033] like Figure 4 As shown, the laser projector 3 includes a first laser positioning plate 31, a second laser positioning plate 32 and a positioning arm 33. A plurality of fixed blocks 311 are arranged on the top of the first laser positioning plate 31 and the second laser positioning plate 32. A laser emitting head 312 is arranged on the bottom of the first laser positioning plate 31 and the second laser positioning plate 32 below the fixed blocks 311. The first laser positioning plate 31 and the second laser positioning plate 32 are rotatably connected by a rotating shaft 34. The second laser positioning plate 32 and the positioning arm 33 are rotatably connected by a rotating shaft 34. A second connecting hole 332 is provided at one end of the positioning arm 33 close to the first joint 22.

[0034] Specifically, the second connector 23 is plugged into and matched with the first connection hole 131, and the second connection hole 332 is plugged into and matched with the first connector 22, which can facilitate the disassembly and installation of the universal serpentine tube 2 and the laser projector 3, and facilitate maintenance or replacement.

[0035] In addition, a universal joint 331 is provided in the middle of the positioning arm 33 , and the angle can be adjusted by rotating the positioning arm 33 .

[0036] like Figure 5 As shown, a threaded opening 3111 is provided at the bottom of the fixing block 311 , an external thread 3121 is provided at the top of the laser emitting head 312 , and the top of the laser emitting head 312 passes through the first laser positioning plate 31 and the second laser positioning plate 32 at the top and is threadedly connected to the threaded opening 3111 .

[0037] It is worth noting that the curved pipe 21 is composed of more than 20 round-bottomed cup-shaped beads, each cup mouth is tightly connected with the cup bottom, and the cup mouth can slide around the circular cup bottom at different angles. More than 20 round-bottomed cup-shaped beads are arranged in a string, and the center is strung with a tough steel wire rope with a thickness of 0.2 cm.

[0038] When using the intracranial lesion point laser locator of the present embodiment of the invention, first place the fixed bracket 1 on a plane, connect one end of the universal serpentine tube 2 to one end of the fixed rod 13, and connect the other end of the universal serpentine tube 2 to the second connecting hole 332. After installation, connect the laser transmitter head to the power supply to make it work. The rotation of the first laser positioning plate 31 and the second laser positioning plate 32 can ensure the full adjustment of the positioning angle and direction in the horizontal and vertical directions, so as to ensure the positioning of the intracranial lesions, thereby obtaining the positioning line on the surface of the skull. The universal serpentine tube 2 can be bent at will, which is convenient for accurately adjusting the positioning direction and angle of the laser projector.

[0039] Example 2

[0040] In order to further facilitate the use of the intracranial lesion point laser locator, improvements are made on the basis of Example 1, such as Figure 6-Figure 8 As shown, a support fixing frame 111 is provided in the middle of the support rod 11, and a locking knob is provided at one end of the support fixing frame 111. A serpentine tube fixing frame 112 is provided at the top of the support rod 11, and a locking knob is provided at one end of the serpentine tube fixing frame 112. The interior of the support rod 11 is a hollow structure and is provided with a steel wire 141. The bottom end of the steel wire 141 is connected to the switch 14. A fixing seat 151 is tightly bonded to the bottom of one end of the base 15. A plurality of beads 211 are provided inside the curved tube 21. The steel wire 141 passes through the interior of the curved tube 21. The laser projector 3 includes Two telescopic arm slide rail frames 35, a telescopic arm 36 is arranged on one side of the telescopic arm slide rail frame 35, and scale lines are arranged on the outer wall of the telescopic arm slide rail frame 35. A connecting rod 352 is tightly welded on one side of the telescopic arm slide rail frame 35, one end of the connecting rod 352 passes through the telescopic arm 36 and is connected to a laser head 37, and a knob 371 is arranged on the end of the laser head 37 close to the telescopic arm 36. A slide rail is provided on one side of the telescopic arm slide rail frame 35 close to the connection 352, and the connecting rod 352 moves in the slide rail to adjust the spacing of the laser heads 37, so that the knob 371 can finely adjust the spacing.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A laser locator for intracranial lesion points, comprising a fixed bracket (1), a universal serpentine tube (2) and a laser projector (3), wherein the fixed bracket (1) comprises a support rod (11), a top plate (12) is tightly welded to the top of the support rod (11), a fixed rod (13) is tightly welded to one side of the top plate (12), a base (15) is tightly welded to the bottom of the support rod (11), and a first connecting hole (131) is provided at one end of the fixed rod (13) away from the top plate (12); The universal serpentine tube (2) comprises a bent tube (21), one end of the bent tube (21) is tightly welded with a first joint (22), and one end of the bent tube (21) away from the first joint (22) is tightly welded with a second joint (23); The laser projector (3) comprises a first laser positioning plate (31), a second laser positioning plate (32) and a positioning arm (33); a plurality of fixing blocks (311) are arranged on the top of the first laser positioning plate (31) and the second laser positioning plate (32); a laser emitting head (312) is arranged on the bottom of the first laser positioning plate (31) and the second laser positioning plate (32) below the fixing blocks (311); the first laser positioning plate (31) and the second laser positioning plate (32) are rotatably connected via a rotating shaft (34); the second laser positioning plate (32) and the positioning arm (33) are rotatably connected via a rotating shaft (34); a second connecting hole (332) is provided at one end of the positioning arm (33) close to the first joint (22); The bottom of the fixing block (311) is provided with a threaded opening (3111), the top of the laser emitting head (312) is provided with an external thread (3121), the top of the laser emitting head (312) penetrates the first laser positioning plate (31) and the second laser positioning plate (32) at the top and is threadedly connected to the threaded opening (3111); the first laser positioning plate (31) and the second laser positioning plate (32) are rotated to ensure that the positioning angle and direction can be adjusted in all directions in the horizontal and vertical directions, thereby ensuring that the intracranial lesions can be accurately positioned. Positioning is performed so as to obtain a positioning line on the surface of the skull. The positional relationship between the first laser positioning plate (31) and the second laser positioning plate (32) is that they rotate in mutually perpendicular horizontal and vertical planes. One side of the support rod (11) is connected to a switch (14) through a wire. The curved pipe (21) is composed of more than 20 round-bottomed cup-shaped beads, each cup mouth is tightly connected to the cup bottom, and the cup mouth can slide around the circular cup bottom at different angles. The more than 20 round-bottomed cup-shaped beads are arranged in a string, and the center is strung together with a tough steel wire rope with a thickness of 0.2 cm.

2. The intracranial lesion point laser locator according to claim 1, characterized in that: The second connector (23) is plug-fitted into the first connection hole (131).

3. The intracranial lesion point laser locator according to claim 1, characterized in that: A universal joint (331) is provided in the middle of the positioning arm (33).

4. The intracranial lesion point laser locator according to claim 1, characterized in that: The second connection hole (332) is plug-fitted to the first connector (22).

5. The intracranial lesion point laser locator according to claim 1, characterized in that: The base (15) is a U-shaped structure.

Citation Information

Patent Citations

  • Orientator for craniocerebral puncture

    CN118216988A

  • Intracranial lesion point laser locator

    CN211560393U