CN112022139A

CN112022139A - Spinal probe for spinal surgery

Info

Publication number: CN112022139A
Application number: CN202011132432.XA
Authority: CN
Inventors: 范明富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2020-12-04

Abstract

The invention discloses a spinal probe for spinal surgery, which comprises a handle, wherein the bottom of the handle is provided with an installation sleeve, the interior of the installation sleeve is movably connected with an insulation sleeve, the interior of the insulation sleeve is provided with a probe main body, the bottom end of the probe main body is provided with a needle head, the top end of the installation sleeve is welded with a first contact plate, the bottom of the first contact plate is welded with a second contact plate positioned in the installation sleeve, two sides of the bottom end of the inner wall of the installation sleeve are welded with limiting blocks, two fixed blocks positioned in the handle are arranged above the installation sleeve, and a sliding plate is connected between the two fixed blocks in a sliding manner. The invention can realize the rapid and accurate assembly and disassembly of the probe, avoid the error of the probe in the assembly process and improve the working efficiency through the combination of various structures, and can electrify the patient after the puncture of the patient is realized, thereby avoiding the interference of electric signals on the probe in the puncture process and improving the detection accuracy.

Description

Spinal probe for spinal surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a spinal probe for spinal surgery.

Background

The adult spine is formed by connecting 26 vertebrae (7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 1 sacral vertebrae (5 sacral vertebrae immediately after birth) and 1 caudal vertebra) by means of ligaments, joints and intervertebral discs, the upper end of the spine supports the skull, the lower part of the spine is connected with the hip bone, the middle part of the spine is attached with ribs and serves as the back wall of the thorax, the abdominal cavity and the pelvic cavity, the spine has the functions of supporting the trunk, protecting internal organs, protecting the spinal cord and performing movement, a longitudinal spinal canal is formed in the spine from top to bottom, the spinal cord is arranged in the spine, and a spinal probe is a surgical instrument for monitoring or diagnosing the neural function of the spine, is usually matched with a neuromuscular electrogram evoked potential monitoring system device for use, and aims to determine the integrity of the function of the nervous system in a dangerous state in the operation and find a safety threshold value to prevent the neural function from being damaged.

The traditional Chinese patent with the patent number of CN111493833A solves the problems of disassembling the spine probe, simplifying the operation steps of equipment, complicating the operation steps and the like, but still has the problems that the spine probe cannot be accurately assembled and the power-on mode of the spine probe is inconvenient when the spine probe is used. Therefore, how to treat the spinal probe for spinal surgery becomes an urgent problem to be solved.

Disclosure of Invention

Objects of the invention

The spine surgical probe is composed of a plurality of structures, and can be quickly and accurately assembled and disassembled, the error of the probe in the assembling process is avoided, the working efficiency is improved, the device can be electrified after the puncture of a patient is realized, the interference of an electric signal on the probe in the puncturing process is further avoided, and the accuracy of the detection is improved.

(II) technical scheme

The invention provides a spinal probe for spinal surgery, which comprises a handle, wherein the bottom of the handle is provided with an installation sleeve, the interior of the installation sleeve is movably connected with an insulation sleeve, the interior of the insulation sleeve is provided with a probe main body, the bottom end of the probe main body is provided with a needle head, the top end of the installation sleeve is welded with a first contact plate, the bottom of the first contact plate is welded with a second contact plate positioned in the installation sleeve, two sides of the bottom end of the inner wall of the installation sleeve are welded with limit blocks, two fixed blocks positioned in the handle are arranged above the installation sleeve, a sliding plate is connected between the two fixed blocks in a sliding manner, the bottom end of the sliding plate is welded with a third contact plate, the top end of the sliding plate is provided with a movable plate, the top of the movable plate is welded with a first wedge block, and the top of, the left side threaded connection of second voussoir has the screw rod that is located on the casing wall of handle top, and the cam is installed to the bottom of screw rod, the bottom ball of cam articulates there is the movable rod, and the one end that the cam was kept away from to the movable rod articulates on the second voussoir.

Preferably, the both sides of installation cover are equipped with the operation groove that is located on the handle bottom conch wall, and bond in the operation groove and have the protection pad, first slotted hole has been seted up on the bottom conch wall of handle, and installs the installation cover in the first slotted hole.

Preferably, the bottom welding of first contact plate has a plurality of first springs that are located the installation cover inside, and the bottom welding of first spring has the second contact plate, the welding has the sleeve on the outer lane at insulating cover top, and telescopic surface has seted up the screw thread.

Preferably, the sleeve is in threaded connection with the mounting sleeve, limiting grooves are formed in the shell walls on two sides of the sleeve, and the limiting grooves are in sliding connection with the limiting blocks.

Preferably, a marking label is adhered to the outer surface of the insulating sleeve, a metal block is arranged at the top end of the probe main body, and the metal block is in contact with the second contact plate.

Preferably, a second slot is formed in the wall of the top shell of the handle, a screw is connected to the second slot through a thread, and the first wedge block and the second wedge block are connected in a sliding mode.

Preferably, the second springs are welded at two ends of the top of the movable plate, the top ends of the second springs are welded on the inner wall of the top of the handle, and the first contact plate, the second contact plate, the sliding plate, the third contact plate and the metal block are made of conductive materials.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

1, make this device can switch on after the realization is to patient's puncture through the combination of installation handle, first contact plate, second contact plate, fixed block, sliding plate, third contact plate, fly leaf, first voussoir, second voussoir, movable rod, cam and metal block isotructure, and then avoid the probe to disturb at the signal of telecommunication that the puncture in-process received, improve the accuracy nature of surveying.

2, make this device can realize the quick accurate loading and unloading to the probe through the combination of installation cover, insulating cover, probe main part, syringe needle, stopper and sleeve isotructure, avoid the probe error in assembling process, improve work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a spinal probe for spinal surgery according to the present invention.

Fig. 2 is a front cross-sectional structural view of a handle of a spinal probe for spinal surgery according to the present invention.

Fig. 3 is an enlarged view of a portion of a spinal probe for spinal surgery according to the present invention.

Reference numerals: 1. a handle; 2. installing a sleeve; 3. an insulating sleeve; 4. a probe body; 5. a needle head; 6. a first contact plate; 7. a second contact plate; 8. a limiting block; 9. a fixed block; 10. a sliding plate; 11. a third contact plate; 12. a movable plate; 13. a first wedge; 14. a second wedge; 15. a movable rod; 16. a cam; 17. a sleeve; 18. a metal block.

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.

As shown in fig. 1-3, the spine surgical probe provided by the invention comprises a handle 1, a mounting sleeve 2 is mounted at the bottom of the handle 1, an insulating sleeve 3 is movably connected inside the mounting sleeve 2, a probe main body 4 is mounted inside the insulating sleeve 3, a needle head 5 is arranged at the bottom end of the probe main body 4, a first contact plate 6 is welded at the top end of the mounting sleeve 2, a second contact plate 7 positioned inside the mounting sleeve 2 is welded at the bottom end of the first contact plate 6, limiting blocks 8 are welded at two sides of the bottom end of the inner wall of the mounting sleeve 2, two fixed blocks 9 positioned inside the handle 1 are arranged above the mounting sleeve 2, a sliding plate 10 is slidably connected between the two fixed blocks 9, a third contact plate 11 is welded at the bottom end of the sliding plate 10, a movable plate 12 is mounted at the top end of the sliding plate 10, a first wedge 13 is welded at the top end of the movable plate 12, a second wedge 14 positioned on the inner wall, the left side of the second wedge block 14 is in threaded connection with a screw rod positioned on the top shell wall of the handle 1, a cam 16 is installed at the bottom end of the screw rod, a movable rod 15 is hinged to the bottom ball of the cam 16, and one end, far away from the cam 16, of the movable rod 15 is hinged to the second wedge block 14.

In an alternative embodiment, the two sides of the mounting sleeve 2 are provided with operation slots on the bottom shell wall of the handle 1, the protection pads are adhered in the operation slots, the bottom shell wall of the handle 1 is provided with a first slot hole, and the mounting sleeve 2 is installed in the first slot hole.

In an alternative embodiment, a plurality of first springs located inside the mounting sleeve 2 are welded at the bottom of the first contact plate 6, the second contact plate 7 is welded at the bottom end of the first springs, a sleeve 17 is welded on the outer ring of the top of the insulating sleeve 3, and the outer surface of the sleeve 17 is threaded.

It should be noted that the movable connection with the mounting sleeve 2 is realized by a thread on the sleeve 17.

In an optional embodiment, the sleeve 17 is connected with the mounting sleeve 2 through a screw thread, the two side shell walls of the sleeve 17 are provided with a limiting groove, and the limiting groove is connected with the limiting block 8 in a sliding manner.

It should be noted that the precise assembly of the probe body 4 is realized through the combination of the limiting groove and the limiting block 8.

In an alternative embodiment, a label is adhered to the outer surface of the insulating sleeve 3, a metal block 18 is arranged at the top end of the probe main body 4, and the metal block 18 is in contact with the second contact plate 7.

In an alternative embodiment, the handle 1 has a second slot formed in the top wall thereof, and a screw is threaded into the second slot, and the first wedge 13 and the second wedge 14 are slidably connected to each other.

In an alternative embodiment, the second spring is welded at two ends of the top of the movable plate 12, and the top end of the second spring is welded on the inner wall of the top of the handle 1, and the first contact plate 6, the second contact plate 7, the sliding plate 10, the third contact plate 11 and the metal block 18 are made of conductive materials.

The working principle is as follows: aligning a limiting groove on the insulating sleeve 3 with a limiting block 8 in the mounting sleeve 2, enabling the limiting groove to penetrate through the limiting block 8 to enable threads on the sleeve 17 to be connected with threads on the inner wall of the mounting sleeve 2, further enabling the insulating sleeve 3 to be fixedly connected with the mounting sleeve 2 through the threads, judging whether the insulating sleeve 3 is stably connected in the mounting sleeve 2 through whether a marking label on the outer surface of the insulating sleeve 3 enters the mounting sleeve 2 or not, further judging whether a metal block 18 is in contact with a second contact plate 7 or not, connecting the metal block with an external power supply through two fixing blocks 9, rotating a screw to drive a cam 16 to rotate after the probe main body 4 is pierced into the body of a patient, driving a second wedge block 14 to move through a movable rod 15, enabling the second wedge block 14 and a first wedge block 13 to slide mutually, further enabling the first wedge block 13 to move downwards along with the right movement of the second wedge, the third contact plate 11 is contacted with the first contact plate 6, so that the current on the fixed block 9 is conducted with the metal block 18 through the sliding plate 10, the third contact plate 11, the first contact plate 6, the first spring and the second contact plate 7, and thus the electrical connection to the probe main body 4 is realized.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present 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 defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A spine probe for spinal surgery comprises a handle (1) and is characterized in that a mounting sleeve (2) is mounted at the bottom of the handle (1), an insulating sleeve (3) is movably connected inside the mounting sleeve (2), a probe main body (4) is mounted inside the insulating sleeve (3), a needle head (5) is arranged at the bottom end of the probe main body (4), a first contact plate (6) is welded at the top end of the mounting sleeve (2), a second contact plate (7) located inside the mounting sleeve (2) is welded at the bottom of the first contact plate (6), limiting blocks (8) are welded on two sides of the bottom end of the inner wall of the mounting sleeve (2), two fixing blocks (9) located inside the handle (1) are arranged above the mounting sleeve (2), a sliding plate (10) is slidably connected between the two fixing blocks (9), and a third contact plate (11) is welded at the bottom end of the sliding plate (10), the top of sliding plate (10) is installed movable plate (12), and the top welding of movable plate (12) has first voussoir (13), the top sliding connection of first voussoir (13) has second voussoir (14) that are located on handle (1) top inner wall, the left side threaded connection of second voussoir (14) has the screw rod that is located on handle (1) top conch wall, and the bottom of screw rod installs cam (16), the bottom ball of cam (16) articulates there is movable rod (15), and the one end that cam (16) were kept away from in movable rod (15) articulates on second voussoir (14).

2. A spinal probe for spinal surgery according to claim 1 characterized in that the two sides of the mounting sleeve (2) are provided with operation slots on the bottom wall of the handle (1) and the protection pad is adhered in the operation slots, the bottom wall of the handle (1) is provided with a first slot, and the mounting sleeve (2) is installed in the first slot.

3. A spinal probe for spinal surgery according to claim 2 characterized in that a plurality of first springs inside the mounting sleeve (2) are welded at the bottom of the first contact plate (6), and a second contact plate (7) is welded at the bottom end of the first springs, a sleeve (17) is welded on the outer ring of the top of the insulating sleeve (3), and the outer surface of the sleeve (17) is threaded.

4. The spine surgical spine probe according to claim 3, wherein the sleeve (17) is in threaded connection with the mounting sleeve (2), the two lateral walls of the sleeve (17) are provided with limiting grooves, and the limiting grooves are in sliding connection with the limiting blocks (8).

5. A spinal probe for spinal surgery according to claim 4 characterized in that the outer surface of the insulating sleeve (3) is pasted with a label, the top end of the probe body (4) is provided with a metal block (18), and the metal block (18) is contacted with the second contact plate (7).

6. A spinal probe for spinal surgery according to claim 5 characterized in that the handle (1) has a second slot in the wall of the top shell, and a screw is screwed in the second slot, the first wedge (13) and the second wedge (14) are connected with each other in a sliding way.

7. A spinal probe for spinal surgery according to claim 6 characterized in that the second spring is welded on both ends of the top of the movable plate (12), and the top end of the second spring is welded on the inner wall of the top of the handle (1), and the first contact plate (6), the second contact plate (7), the sliding plate (10), the third contact plate (11) and the metal block (18) are made of conductive materials.