Needle electrode with variable direction

Abstract

The needle electrode comprises a handle, a supporting base is fixedly installed on one side of the handle, an installation groove is formed in the handle, a connecting hole communicated with the installation groove is formed in the side, where the supporting base is installed, of the handle, and a metal electrode is rotatably installed on the inner side of the supporting base. A U-shaped connecting rod is fixedly mounted on the outer side of the metal electrode, a guide rod is fixedly mounted in an inner cavity of the mounting groove, a lifting plate is slidably mounted on the outer side of the guide rod, a limiting groove is formed in one side of the lifting plate, the U-shaped connecting rod penetrates through the limiting groove, and an adjusting assembly used for driving the lifting plate to move is mounted in the mounting groove. The lifting plate is driven to move through the adjusting assembly, then the U-shaped connecting rod and the metal electrode are driven to rotate, the direction of the needle-shaped electrode is changed, and the needle-shaped electrode can adapt to various operation environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to needle electrode technical field, concretely is a needle electrode of variable direction. BACKGROUND

[0002] In the field of modern medical surgery, especially in various types of surgical operations such as electrophysiological surgery, neurosurgery, etc., the needle electrode is a very critical medical instrument, which undertakes important tasks such as stimulating nerve tissue, detecting bioelectric signals, and performing precise tissue ablation during surgery.

[0003] The direction of the traditional needle electrode is usually fixed, which makes it difficult for the doctor to flexibly adjust the direction of the electrode to achieve the best surgical effect when facing the anatomical structure difference of different surgical sites and the complex and changeable surgical requirements. Some complex tissue structures and limited surgical approach may not accurately reach the target site, thereby affecting the accuracy and effectiveness of the surgery. Therefore, we propose a needle electrode with variable direction. SUMMARY

[0004] The utility model aims at providing a needle electrode with variable direction to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a needle electrode with variable direction, comprising a handle, a support seat is fixedly installed on one side of the handle, an installation slot is formed in the handle, a connecting hole communicating with the installation slot is formed on one side of the handle installation support seat, a metal electrode is rotatably installed on the inner side of the support seat;

[0006] A U-shaped connecting rod is fixedly installed on the outer side of the metal electrode, a guide rod is fixedly installed in the inner cavity of the installation slot, a lifting plate is slidably installed on the outer side of the guide rod, a limiting slot is formed on one side of the lifting plate, the U-shaped connecting rod passes through the limiting slot, and an adjusting assembly for driving the lifting plate to move is installed in the installation slot.

[0007] Preferably, the metal electrode passes through the connecting hole, and one end of the metal electrode is located in the inner cavity of the installation slot.

[0008] Preferably, the end of the metal electrode is electrically connected with a flexible cable, and the other end of the flexible cable is connected with a power supply module.

[0009] Preferably, the cross section of the U-shaped connecting rod is circular, and the outer diameter size of the U-shaped connecting rod matches the width size of the limiting slot.

[0010] Preferably, the adjusting assembly comprises a threaded rod, the threaded rod is rotatably installed in the inner cavity of the mounting groove, the threaded rod is threaded through the lifting plate, and the threaded rod is movably through the handle to the outside of the handle.

[0011] Preferably, one end of the threaded rod is fixedly installed with a knob.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The direction-variable needle-shaped electrode, when the direction of the metal electrode needs to be adjusted, the knob is rotated to drive the threaded rod to rotate, thereby driving the lifting plate to slide outside the guide rod, the lifting plate drives the U-shaped connecting rod and the metal electrode to rotate as a whole relative to the support seat, thereby changing the direction of the metal electrode, and the flexibility of the needle-shaped electrode is improved.

[0014] 2. The direction-variable needle-shaped electrode, the metal electrode is powered through a flexible cable, and the cable is left with a certain length allowance, so that the metal electrode will not break the cable when the direction is changed, and normal power supply is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Fig. 2 It is a schematic diagram of the sectional structure of the utility model;

[0017] Fig. 3 It is a schematic diagram of the metal electrode structure of the utility model.

[0018] In the drawing: 1, handle; 2, support seat; 3, mounting groove; 4, connecting hole; 5, metal electrode; 6, U-shaped connecting rod; 7, guide rod; 8, lifting plate; 9, threaded rod; 10, knob; 11, limiting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment one

[0021] Please refer to Figs. 1-3The utility model provides a needle electrode of variable direction, including handle 1, handle 1 one side fixed mounting has support seat 2, the inside of handle 1 is seted up installation slot 3, and the one side of handle 1 installation support seat 2 is seted up the connecting hole 4 of intercommunication installation slot 3, and the inside of support seat 2 is rotatably installed with metal electrode 5,

[0022] The outside of metal electrode 5 is fixedly installed with U-shaped connecting rod 6, the inner cavity of installation slot 3 is fixedly installed with guide rod 7, the outside of guide rod 7 is slidably installed with lifting plate 8, the one side of lifting plate 8 is seted up with limiting slot 11, U-shaped connecting rod 6 passes through the inside of limiting slot 11, and the inside of installation slot 3 is installed with the adjusting assembly for driving lifting plate 8 to move.

[0023] Specifically, the adjusting assembly drives the lifting plate 8 to move, thereby driving the U-shaped connecting rod 6 and the metal electrode 5 to rotate, changing the direction of the needle electrode, so that it can adapt to various operating environments.

[0024] Wherein: the metal electrode 5 passes through the connecting hole 4, and one end of the metal electrode 5 is located in the inner cavity of the installation slot 3, and the other end of the metal electrode 5 is electrically connected with a flexible cable, and the flexible cable is connected with a power supply module, and the power supply module is connected with the metal electrode 5 through a flexible cable with a certain length, so that the metal electrode 5 can change the angle within a certain range without affecting the power supply of the metal electrode 5.

[0025] Wherein: the cross section of the U-shaped connecting rod 6 is circular, and the outer diameter of the U-shaped connecting rod 6 matches the width of the limiting slot 11, and when the lifting plate 8 slides outside the guide rod 7, the limiting slot 11 can be moved, and the U-shaped connecting rod 6 passes through the inside of the limiting slot 11, and the metal electrode 5 connected with the U-shaped connecting rod 6 is rotatably installed in the support seat 2, so that the U-shaped connecting rod 6 will rotate under the driving of the lifting plate 8 and the limiting slot 11.

[0026] Wherein: the adjusting assembly includes a threaded rod 9, the threaded rod 9 is rotatably installed in the inner cavity of the installation slot 3, the threaded rod 9 is threaded through the lifting plate 8, the threaded rod 9 is movably threaded through the handle 1 to the outside of the handle 1, and one end of the threaded rod 9 is fixedly installed with a knob 10, rotating the knob 10 can drive the threaded rod 9 to rotate, so that the lifting plate 8 slides outside the guide rod 7.

[0027] Working principle: the utility model is a needle electrode of variable direction, when the direction of the metal electrode 5 needs to be adjusted, rotating the knob 10 drives the threaded rod 9 to rotate, thereby driving the lifting plate 8 to slide outside the guide rod 7, the lifting plate 8 drives the U-shaped connecting rod 6 and the metal electrode 5 to rotate relative to the support seat 2 as a whole, thereby changing the direction of the metal electrode 5, improving the flexibility of the needle electrode;

[0028] The metal electrode 5 is powered through a flexible cable at the end of the metal electrode 5, and the cable is left with a certain length margin, so that the metal electrode 5 will not pull off the cable when changing direction, and the normal power supply will not be affected.

[0029] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A direction variable needle electrode comprising a handle (1), characterized in that: The handle (1) is fixedly installed with a support seat (2) on one side, the handle (1) is internally provided with an installation groove (3), the handle (1) is provided with a connecting hole (4) communicated with the installation groove (3) on one side of the installation support seat (2), and the support seat (2) is rotatably installed with a metal electrode (5) on the inner side; The metal electrode (5) is fixedly installed with a U-shaped connecting rod (6) on the outer side, the installation groove (3) is fixedly installed with a guide rod (7) in the inner cavity, the guide rod (7) is slidably installed with a lifting plate (8) on the outer side, the lifting plate (8) is provided with a limiting groove (11) on one side, the U-shaped connecting rod (6) passes through the limiting groove (11), and the installation groove (3) is internally provided with an adjusting assembly for driving the lifting plate (8) to move.

2. The variable directional needle electrode of claim 1, wherein: The metal electrode (5) passes through the connecting hole (4), and one end of the metal electrode (5) is located in the inner cavity of the installation groove (3).

3. The variable directional needle electrode of claim 1, wherein: The metal electrode (5) is electrically connected with a flexible cable at the end, and the other end of the flexible cable is connected with a power supply module.

4. The variable directional needle electrode of claim 1, wherein: The cross section of the U-shaped connecting rod (6) is circular, and the outer diameter size of the U-shaped connecting rod (6) matches the width size of the limiting groove (11).

5. The variable directional needle electrode of claim 1, wherein: The adjusting assembly comprises a threaded rod (9), the threaded rod (9) is rotatably installed in the inner cavity of the installation groove (3), the threaded rod (9) is screwed through the lifting plate (8), and the threaded rod (9) is movably penetrated through the handle (1) to the outside of the handle (1).

6. A steerable needle electrode according to claim 5, wherein: One end of the threaded rod (9) is fixedly installed with a knob (10).

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