CN211484887U

CN211484887U - Surgical electrode instrument

Info

Publication number: CN211484887U
Application number: CN201921919218.1U
Authority: CN
Inventors: 王东兴; 杨祥祥; 陈伟
Original assignee: Changzhou Yanling Electronic Equipment Co ltd
Current assignee: Changzhou Yanling Electronic Equipment Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-15
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a surgical electrode instrument, which comprises a fixed component, an inner tube, an electrode component, an outer tube and an action mechanism, wherein at least part of the action mechanism is movably connected on the fixed component and is connected with the outer tube; the inner tube extending at least partially into the fixation assembly; the electrode assembly comprises two electrodes with back ends connected to the inner tube and conductive heads separated from each other in a static state; the outer pipe is sleeved outside at least part of the inner pipe in a sliding manner; the actuating mechanism is suitable for moving the outer tube on the inner tube to act on the two electrodes to actuate the conductive heads of the two electrodes between a first position far away from each other and a second position close to each other; the action mechanism comprises a pushing block, an elastic piece and at least one handle; the pushing block is connected with the rear end part of the outer pipe. The utility model discloses can realize opening and shutting of electrode well, carry out the electricity and congeal hemostasis to the operation tissue, be applicable to among the little passageway deep operation well.

Description

Surgical electrode instrument

Technical Field

The utility model relates to a surgical electrode instrument.

Background

Currently, the refinement and specialization of medical instruments are a goal and a trend. Electrocoagulation is widely used in surgical operations as an efficient and reliable means of hemostasis. The operation electrode instrument (namely the electric coagulation forceps) is suitable for micro-invasive microsurgery, neurosurgery, minor-channel deep operation such as a tremble-entry operation and the like, is particularly suitable for being matched with a rhinoscope and a ventriculoscope for use, and is mainly applied to the electric coagulation hemostasis of the micro-invasive microsurgery or the neurosurgery. The operation space of thousands of operations is limited, and the larger the operation incision or passage is, the larger the secondary injury to the patient is, so the operation passage is all strived to be minimized and minimally invasive.

The bipolar coagulation forceps of various shapes are generally used in the existing surgical operation, the main principle is that two forceps sheets are arranged in a fixing seat, the forceps sheets are kneaded by fingers, the sharp parts of the two forceps sheets clamp blood vessels or tissues, high-frequency current passing through the sharp parts of the two forceps sheets passes through the clamped local blood vessels or tissues, the heat effect of the high-frequency current is utilized, the dehydration and shrinkage of the blood vessel wall and the blood coagulation in the blood vessel are realized, the blood vessel and the blood coagulation are integrated, the effective hemostasis purpose is achieved, but the electric coagulation forceps of the structure are inconvenient to use and cannot enter a smaller operation cavity channel.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide an operation electrode apparatus, it can realize opening and shutting of electrode well, carries out the electricity and congeals hemostasis to the operation tissue, is applicable to among the little passageway deep operation well.

In order to solve the technical problem, the technical scheme of the utility model is that: a surgical electrode instrument, comprising:

a fixing assembly;

an inner tube extending at least partially into the fixation assembly;

an electrode assembly including two electrodes having rear ends connected to the inner tube and conductive heads spaced apart from each other in a static state;

the outer pipe is sleeved outside at least part of the inner pipe in a sliding manner;

an actuating mechanism at least partially movably connected to the fixed assembly and coupled to the outer tube, the actuating mechanism adapted to move the outer tube over the inner tube to act on the two electrodes to actuate the conductive heads of the two electrodes between a first position spaced apart from each other and a second position adjacent to each other;

the action mechanism comprises a pushing block, an elastic piece and at least one handle;

the pushing block is connected with the rear end part of the outer pipe;

the rear end part of the handle is pivoted on the fixing component, and the front end part of the handle is connected with the pushing block through an action structure; wherein,

when the handle is actuated to rotate towards the inner tube side, the handle is suitable for applying at least one force which overcomes the elastic force of the elastic piece and moves forwards to the pushing block through an action structure, so that the conductive heads of the two electrodes move from the first position to the second position;

when the handle is not actuated, the pushing block is suitable for moving backwards under the action of the elastic force of the elastic piece, so that the conductive heads of the two electrodes move from the second position to the first position.

Further, when the handle is not operated, the pushing block is suitable for moving backwards under the action of elastic force of the elastic piece, and the handle is pushed to rotate away from the inner tube side through the acting structure so as to reset.

Further, the active structure includes:

push pins arranged on the corresponding handles;

locate the corresponding lateral part of propelling movement piece and by going to the back and gradually to the oblique spout that the pipe side slope set up, the promotion round pin on the corresponding handle inlays the dress in the oblique spout of the corresponding lateral part of propelling movement piece.

Further, the handle is provided with a pin setting foot for setting a pushing pin, and the handle is provided with a pivot pin for pivoting with the fixing component.

Furthermore, the actuating mechanism comprises two handles, the two handles are symmetrically arranged on two sides of the pushing block, and two inclined sliding grooves on the corresponding side portions of the pushing block form a V-shaped structure.

Furthermore, the elastic part is a spring which is sleeved on the pushing block and is propped against the fixed component.

Furthermore, a stop block for limiting the moving stroke of the pushing block is arranged on the fixing component.

Further, fixed subassembly includes the shell, through threaded connection in the preceding lock nut of shell front end portion and through threaded connection in back lock nut on the shell rear end portion, the rear end pin joint of handle in on the shell, the propelling movement piece with the corresponding lateral part that the handle is connected stretches out outside the shell.

After the technical scheme is adopted, control opening and shutting of two electrodes through actuating mechanism, exert pressure when the operator to the handle, slide in the oblique spout on the propelling movement piece through the promotion round pin on the handle, turn into the axial force radial force, promote the outer tube of connection on the propelling movement piece and move forward, thereby it is closed to make two electrodes be close to each other, when operator release handle, the elastic component makes the propelling movement piece reset, the outer tube of connection on the propelling movement piece is followed and is reset, thereby make two electrodes keep away from each other and open, opening and shutting of two electrodes has been realized well to this kind of mode, the operation success rate has been improved.

Drawings

FIG. 1 is a schematic structural view of a surgical electrode instrument according to the present invention;

fig. 2 is a schematic structural diagram of the pushing block of the present invention;

FIG. 3 is a schematic structural view of the handle of the present invention;

fig. 4 is a partial enlarged view of the surgical electrode instrument of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 4, a surgical electrode instrument includes:

a fixing assembly;

an inner tube 13, said inner tube 13 extending at least partially into said fixation assembly;

an electrode assembly comprising two electrodes 17 having rear ends connected to the inner tube 13 and conductive heads thereof spaced apart from each other in a static state;

an outer tube 16, wherein the outer tube 16 is sleeved outside at least part of the inner tube 13 in a sliding manner;

an actuating mechanism at least partially articulated to said fixed assembly and connected to said outer tube 16, said actuating mechanism being adapted to move the outer tube 16 on the inner tube 13 to act on the two electrodes 17 to actuate the conductive heads of the two electrodes 17 between a first position, in which they are far from each other, and a second position, in which they are close to each other;

the action mechanism comprises a pushing block 6, an elastic piece 9 and at least one handle 3;

the pushing block 6 is connected with the rear end part of the outer pipe 16;

the rear end part of the handle 3 is pivoted on the fixing component, and the front end part of the handle 3 is connected with the pushing block 6 through an action structure; wherein,

when the handle 3 is actuated to rotate the handle 3 towards the inner tube side, the handle 3 is suitable for applying at least one force which overcomes the elastic force of the elastic piece 9 and moves forwards to the pushing block 6 through an action structure, so that the conductive heads of the two electrodes 17 are actuated from the first position to the second position;

when the handle 3 is not actuated, the pushing block 6 is suitable for moving backwards under the elastic force of the elastic element 9, so that the conductive heads of the two electrodes 17 are actuated from the second position to the first position.

Specifically, as shown in fig. 1, when the handle 3 is not operated, the pushing block 6 is adapted to move backward by the elastic force of the elastic member 9 and also push the handle 3 to rotate away from the inner tube side by the acting structure to be reset.

Specifically, as shown in fig. 1 and 2, the acting structure may have a structure including:

push pins 5 provided on the respective handles 3;

the pushing pin 5 on the corresponding handle 3 is embedded in the inclined sliding groove 61 on the corresponding side part of the pushing block 6.

Specifically, as shown in fig. 3, the handle 3 is provided with a pin setting foot 31 for setting the pushing pin 5;

the handle 3 is provided with pivoting feet 32 for pivoting with the fixed component.

Specifically, as shown in fig. 1, the actuating mechanism includes two handles 3, the two handles 3 are symmetrically disposed on two sides of the pushing block 6, and two inclined sliding grooves 61 on corresponding side portions of the pushing block 6 form a V-shaped structure.

Specifically, as shown in fig. 1, the elastic member 9 may be a spring sleeved on the pushing block 6 and abutting against the fixing component.

Specifically, as shown in fig. 1, a stop for limiting the moving stroke of the pushing block 6 is arranged on the fixing assembly; the travel of the pusher block 6 is limited by stops.

Specifically, as shown in fig. 1, the fixing assembly includes a housing 2, a front lock nut 18 connected to the front end of the housing 2 by a screw thread, and a rear lock nut 1 connected to the rear end of the housing 2 by a screw thread, the rear end of the handle 3 is pivoted to the housing 2, and the corresponding side of the pushing block 6 connected to the handle 3 extends out of the housing 2.

Specifically, the outer tube 16 may be a combination connector, or may be an integrated outer tube 16, and the structure of the outer tube 16 is not limited too much in the present invention.

Control opening and shutting of two electrodes 17 through actuating mechanism, exert pressure to handle 3 when the operator, slide in the oblique spout on propelling movement piece 6 through promotion round pin 5 on handle 3, turn into the axial force radial force, promote the outer tube 16 forward motion of connection on propelling movement piece 6, thereby make two electrodes 17 be close to each other closed, release handle 3 when the operator, elastic component 9 makes propelling movement piece 6 reset, the outer tube 16 of connection on propelling movement piece 6 follows and resets, thereby make two electrodes 17 keep away from each other and open, thereby opening and shutting of two electrodes 17 has been realized well to this kind of mode, the operation success rate has been improved.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims

1. A surgical electrode instrument, comprising:

a fixing assembly;

an inner tube (13), said inner tube (13) extending at least partially into said fixation assembly;

an electrode assembly comprising two electrodes (17) having rear ends connected to the inner tube (13) and having conductive tips spaced apart from each other in a static state;

an outer tube (16), wherein the outer tube (16) is sleeved outside at least part of the inner tube (13) in a sliding manner;

an actuating mechanism at least partially articulated to the fixed assembly and associated with the outer tube (16), the actuating mechanism being adapted to move the outer tube (16) over the inner tube (13) to act on the two electrodes (17) to actuate the conductive heads of the two electrodes (17) between a first position in which they are distanced from each other and a second position in which they are close to each other;

the action mechanism comprises a pushing block (6), an elastic piece (9) and at least one handle (3);

the pushing block (6) is connected with the rear end part of the outer pipe (16);

the rear end part of the handle (3) is pivoted on the fixing component, and the front end part of the handle (3) is connected with the pushing block (6) through an acting structure; wherein,

when the handle (3) is actuated to rotate the handle (3) towards the inner tube side, the handle (3) is suitable for applying at least one force which overcomes the elastic force of the elastic piece (9) and moves forwards to the pushing block (6) through an acting structure, so that the conductive heads of the two electrodes (17) are actuated from the first position to the second position;

when the handle (3) is not actuated, the pushing block (6) is suitable for moving backwards under the action of the elastic force of the elastic piece (9) so that the conductive heads of the two electrodes (17) are actuated from the second position to the first position.

2. The surgical electrode instrument of claim 1,

when the handle (3) is not actuated, the pushing block (6) is suitable for moving backwards under the action of the elastic force of the elastic piece (9) and also pushing the handle (3) to rotate away from the inner tube side through the action structure so as to reset.

3. The surgical electrode instrument of claim 1,

the action structure comprises:

a pushing pin (5) arranged on the corresponding handle (3);

the pushing pin (5) on the corresponding handle (3) is embedded in the inclined chute (61) on the corresponding side part of the pushing block (6).

4. The surgical electrode instrument of claim 3,

the handle (3) is provided with a pin setting foot (31) for setting the pushing pin (5);

the handle (3) is provided with a pivot pin (32) which is pivoted with the fixed component.

5. The surgical electrode instrument of claim 1,

the actuating mechanism comprises two handles (3), the two handles (3) are symmetrically arranged on two sides of the pushing block (6), and two inclined sliding grooves (61) on the corresponding side portions of the pushing block (6) form a V-shaped structure.

6. The surgical electrode instrument of claim 1,

the elastic part (9) is a spring which is sleeved on the pushing block (6) and is propped against the fixed component.

7. The surgical electrode instrument of claim 1,

the fixed component is provided with a stop which limits the moving stroke of the pushing block (6).

8. The surgical electrode instrument of claim 1,

fixed subassembly include shell (2), through threaded connection in the preceding lock nut (18) of shell (2) front end portion and through threaded connection in back lock nut (1) on the shell (2) rear end portion, the rear end pin joint of handle (3) in on shell (2), propelling movement piece (6) with the corresponding lateral part that handle (3) are connected stretches out outside shell (2).