CN210990695U

CN210990695U - Direction-variable miniature high-frequency needle electrode

Info

Publication number: CN210990695U
Application number: CN201921221173.0U
Authority: CN
Inventors: 王红伟
Original assignee: Jiangxi Tongde Pharmaceutical Development Co ltd
Current assignee: JIANGXI QIREN BIOTECHNOLOGY Co.,Ltd.
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-07-14
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a direction-variable miniature high-frequency needle electrode, which belongs to the field of medical equipment and comprises a handle and a needle electrode, wherein one end of the handle close to the needle electrode is symmetrically provided with fixed plates, a first rotating shaft is rotatably arranged between the two fixed plates, a rotating block is fixed at the middle position of the first rotating shaft, one end of the rotating block is fixed on the needle electrode, a first gear is symmetrically arranged on the first rotating shaft, a second rotating shaft is rotatably arranged between the two fixed plates, a second gear is symmetrically arranged on the second rotating shaft, one end of the second rotating shaft penetrates through one fixed plate and is provided with a knob, the handle is of a cylindrical cavity structure, a screw rod is rotatably arranged between the inner surface of the top wall of the handle and the inner surface of the bottom wall, and the bottom; the utility model relates to a novelty, adjustment needle electrode's that can be convenient sensing, the affected part to each degree of depth in the exocoel that can be nimble is handled, and the adjustment after-fixing is convenient, has improved stability, and convenient operation is worth promoting.

Description

Direction-variable miniature high-frequency needle electrode

Technical Field

The utility model belongs to the technical field of medical equipment, concretely relates to changeable miniature high frequency needle electrode of direction.

Background

As a needle electrode widely used in surgery, an electrocoagulation and an electrosection operation can be performed on a bleeding part specified in a patient by using an electrode tip. However, the existing electrode tip and the fixed connecting rod are fixedly connected, and when a needle electrode is used for operation at a narrow or immovable operation part, the fixedly connected straight electrode cannot complete the operation or is very difficult to complete, so that time is wasted and hidden troubles are buried for the health of a patient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a changeable miniature high frequency needle electrode of direction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a direction-variable micro high-frequency needle electrode comprises a handle and a needle electrode, wherein fixing plates are symmetrically arranged at one end of the handle close to the needle electrode, a first rotating shaft is rotatably arranged between the two fixing plates, a rotating block is fixed at the middle position of the first rotating shaft, one end of the rotating block is fixed on the needle electrode, first gears are symmetrically arranged on the first rotating shaft, a second rotating shaft is rotatably arranged between the two fixing plates, second gears are symmetrically arranged on the second rotating shaft, the two second gears correspond to the two first gears in position and are meshed with the first gears, one end of the second rotating shaft penetrates through one fixing plate and is provided with a knob, the handle is of a cylindrical cavity structure, a screw rod is rotatably arranged between the inner surface of the top wall and the inner surface of the bottom wall of the handle, the bottom end of the screw rod penetrates through the bottom wall of the handle and is connected with the second, the upper surface symmetrical welding of movable block has the push rod, and the roof welding that the handle was all run through on two push rod bottom tops has the fixed block, has seted up the fixed slot on the fixed block, two the fixed block corresponds each other with two second gear positions, and the teeth of a cogwheel size phase-match of fixed slot and second gear.

Preferably, the outside cover of handle is equipped with the rubber circle, and has seted up anti-skidding line on the lateral wall of rubber circle.

Preferably, the second rotating shaft is located below the first rotating shaft, and the second rotating shaft is parallel to the first rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

the direction-variable miniature high-frequency needle electrode is movably connected with the handle by arranging the fixing plate, the first rotating shaft, the second rotating shaft, the first gear, the second gear, the first knob and the like, so that the direction of the needle electrode can be adjusted as required during surgery, and affected parts at various depths in the external cavity can be flexibly treated;

this changeable miniature high frequency needle electrode of direction can fix the direction of needle electrode after the adjustment through setting up structures such as movable block, screw rod, second knob, push rod, fixed block and fixed slot, and stability when guaranteeing to use, convenient operation is worth promoting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural diagram of the fixing block of the present invention.

In the figure: 1. a handle; 2. a needle electrode; 3. a fixing plate; 4. a first rotating shaft; 5. rotating the block; 6. a first gear; 7. a second rotating shaft; 8. a second gear; 9. a first knob; 10. a screw; 11. a second knob; 12. a moving block; 13. a push rod; 14. a fixed block; 15. and fixing the grooves.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a direction-variable micro high-frequency needle electrode, which comprises a handle 1 and a needle electrode 2, wherein one end of the handle 1 close to the needle electrode 2 is symmetrically provided with a fixed plate 3, a first rotating shaft 4 is rotatably installed between the two fixed plates 3, a rotating block 5 is fixed at the middle position of the first rotating shaft 4, one end of the rotating block 5 is fixed on the needle electrode 2, a first gear 6 is symmetrically installed on the first rotating shaft 4, a second rotating shaft 7 is rotatably installed between the two fixed plates 3, a second gear 8 is symmetrically installed on the second rotating shaft 7, one end of the second rotating shaft 7 penetrates one fixed plate 3 and is installed with a knob 9, the handle 1 is in a cylindrical cavity structure, a screw rod 10 is rotatably installed between the inner surface of the top wall and the inner surface of the bottom wall of the handle 1, the bottom end of the screw, threaded connection has the movable block 12 on the screw rod 10, and the upper surface symmetry welding of movable block 12 has push rod 13, and the roof welding that handle 1 was all run through on two push rod 13 bottom tops has fixed block 14, has seted up fixed slot 15 on the fixed block 14.

Specifically, a rubber ring is sleeved outside the handle 1, and anti-skid grains are arranged on the side wall of the rubber ring; be provided with the rubber circle, increased the antiskid nature of handle, handle landing when preventing medical personnel handle 1 when using.

Specifically, the second rotating shaft 7 is located below the first rotating shaft 4, and the second rotating shaft 7 is parallel to the first rotating shaft 4.

Specifically, the two fixing blocks 14 correspond to the two second gears 8, and the size of the fixing groove 15 is matched with that of the gear teeth of the second gears 8; when the fixing groove 15 is close to the second gear 8, the fixing groove 15 locks the teeth of the second gear 8, so that the second gear 8 is prevented from rotating, that is, the first gear 6 is prevented from rotating, and the pointing direction of the needle electrode 2 is ensured.

Specifically, the two second gears 8 and the two first gears 6 correspond to each other in position, and the second gears 8 are meshed with the first gears 6.

The utility model discloses a theory of operation and use flow: when the direction of the needle electrode 2 needs to be adjusted, the second knob 11 is firstly rotated to make the moving block 12 move downwards, so that the push rod 13 drives the fixed block 14 to be separated from the second gear 8, then the first knob 9 is rotated to drive the second rotating shaft 7 to rotate, so that the second gear 8 drives the first gear 6 to rotate, the first gear 6 drives the first rotating shaft 4 to rotate, thereby utilizing the rotating block 5 to drive the needle-shaped electrode 2 to rotate, changing the direction of the needle-shaped electrode 2, adjusting to a proper position, when the second knob 11 is reversely rotated to drive the moving block 12 to move upwards, the fixed block 14 is pushed upwards by the push rod 13, the fixed groove 15 of the fixed block 14 is close to the second gear 8, the fixing grooves 15 catch the teeth of the second gear 8, thereby preventing the second gear 8 from rotating, the first gear 6 can be prevented from rotating, so that the pointing direction of the needle electrode 2 is ensured, and the operation is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A direction-variable miniature high-frequency needle electrode comprises a handle (1) and a needle electrode (2), and is characterized in that: the electrode structure is characterized in that fixing plates (3) are symmetrically arranged at one end, close to the needle-shaped electrode (2), of the handle (1), a first rotating shaft (4) is installed between the two fixing plates (3) in a rotating mode, a rotating block (5) is fixed at the middle position of the first rotating shaft (4), one end of the rotating block (5) is fixed on the needle-shaped electrode (2), first gears (6) are symmetrically installed on the first rotating shaft (4), a second rotating shaft (7) is installed between the two fixing plates (3) in a rotating mode, second gears (8) are symmetrically installed on the second rotating shaft (7), the positions of the second gears (8) and the first gears (6) correspond to each other, the second gears (8) are meshed with the first gears (6), a knob (9) is installed after one end of the second rotating shaft (7) penetrates through one fixing plate (3), the handle (1) is of a cylindrical cavity structure, a screw (10) is installed between the inner surface of the top wall, the bottom wall that the bottom of screw rod (10) ran through handle (1) is connected with second knob (11), and threaded connection has movable block (12) on screw rod (10), and the last surface symmetry welding of movable block (12) has push rod (13), and the roof welding that handle (1) all run through on two push rod (13) bottom tops has fixed block (14), has seted up fixed slot (15) on fixed block (14), two fixed block (14) and two second gear (8) correspond each other, and the teeth of a cogwheel size phase-match of fixed slot (15) and second gear (8).

2. The high-frequency miniature needle electrode as set forth in claim 1, wherein: the outside cover of handle (1) is equipped with the rubber circle, and has seted up anti-skidding line on the lateral wall of rubber circle.

3. The high-frequency miniature needle electrode as set forth in claim 1, wherein: the second rotating shaft (7) is positioned below the first rotating shaft (4), and the second rotating shaft (7) is parallel to the first rotating shaft (4).