KR102621839B1 - Bipolar electrocautery device assemble easily - Google Patents

Abstract

The present invention relates to a bipolar electrode that is easy to assemble, and more specifically, by simplifying the coupling structure between each component, users without special expertise can easily disassemble and assemble the bipolar electrode, which not only improves convenience of use but also helps in emergency situations. It relates to an easy-to-assemble bipolar electrode that enables faster procedures and can greatly improve the maintenance/convenience of intubation and electrode parts directly inserted into the body.

Description

Bipolar electrode that is easy to assemble {Bipolar electrocautery device assemble easily}

The present invention relates to a bipolar electrode that is easy to assemble, and more specifically, by simplifying the coupling structure between each component, users without special expertise can easily disassemble and assemble the bipolar electrode, which not only improves convenience of use but also helps in emergency situations. It relates to an easy-to-assemble bipolar electrode that enables faster procedures and can greatly improve the maintenance/convenience of intubation and electrode parts directly inserted into the body.

Generally, when a lesion occurs in a body organ, it is treated with a surgical operation or procedure. The procedure can generally be understood as a non-surgical method, and such non-surgical procedures have a lower risk compared to surgical methods, have a lower incidence of surgical trauma, and can be performed relatively simply. Non-surgical methods are widely used, except for indications requiring surgery.

A representative example of a non-surgical treatment method is treatment using high-frequency electrodes (bipolar electrodes).

Invasive surgery using high-frequency electrodes is the most effective, so doctors and patients are increasingly requesting such methods.

Representative conventional technologies related to conventional high-frequency invasive treatment devices are introduced as follows.

Republic of Korea Patent Publication No. 10-2013-0128926 discloses a high-frequency heat treatment device (hereinafter referred to as prior art). The prior art includes a high-frequency generator that generates a high-frequency current and an electrode that cauterizes the lesion site with the high-frequency current generated from the high-frequency generator. In the prior art constructed in this way, electrodes are inserted into the body and radiate high-frequency energy to treat the lesion area.

The configuration of such a typical high-frequency heat treatment device includes at least a body; an active electrode body wound multiple times around one side of the outer peripheral surface of the body and connected to one terminal of a high frequency generator; and a passive electrode body wound around one side of the outer peripheral surface of the body multiple times between the active electrode bodies and connected to the other terminal of the high frequency generator. Due to the nature of the device inserted into the body, all components can be disassembled and assembled for cleaning efficiency. .

However, when each part is relatively small and the number of parts is large, there is a limit to quickly assembling and using the disassembled parts, making it difficult to respond quickly to procedures in urgent situations. Additionally, there is a problem of difficult maintenance. there was.

Registered Patent 10-1227635

The present invention was created to solve the above-mentioned problems in the prior art, by simplifying the coupling structure between each component, allowing users without special expertise to easily disassemble and assemble the bipolar electrode, thereby providing not only convenience of use, but also urgent use. The purpose is to provide an easy-to-assemble bipolar electrode that enables faster procedures in certain situations and can greatly improve the maintenance/convenience of the intubation and electrode parts directly inserted into the body.

The present invention is a means for achieving the above object, and includes a hollow intubation; An electrode unit that moves back and forth along the longitudinal direction of the intubation inside the intubation and receives power to generate a high frequency at one end; and a renal membrane configured to connect one end of the tube and the electrode unit to each other to close the open end between the tube and the electrode unit, and to be inserted into the interior of the tube or deployed to the outside according to the reciprocating movement of the electrode unit. It is characterized by

In addition, the intubation is made of an insulator, and the electrode unit includes: a hollow bipolar tube to which the kidney membrane is fixed along the outer periphery; and a cathode wire that is wired inside the anode tube in a state covered by an insulating cord, but whose electrode tip is configured to be exposed to the outside at one end of the insulating cord.

In addition, the intubation is made of an insulator, and the electrode unit includes an insulating cord to which the renal membrane is fixed along the outer periphery; An anode wire wired inside the insulating cord and having an electrode tip exposed to the outside of the insulating cord at one end; And a cathode wire wired inside the insulating cord so as to be spaced apart from the anode wire and consisting of a band-shaped electrode tip with the electrode tip surrounding the outer periphery of the insulating cord.

In addition, the electrode unit is characterized in that it selectively has a first shape in which one side is straightened inside the intubation and a second shape in which the exposed portion at one end of the intubation is restored to an arc shape according to shape memory.

In addition, the electrode unit includes an insulating cord to which the elongated film is fixed along the outer periphery and the interior of which is divided into an anode space and a cathode space by an insulating plate; and a pair of electrode wires each accommodated in the anode space and the cathode space and made of a shape memory alloy with an electrode tip formed on one end and one side bent in an arc shape.

In addition, a main body in which an inner space is formed, the intubation is mounted on one end, and a guide hole is formed along the longitudinal direction on the outer peripheral surface; An operating unit that has an adjustment lever exposed through the guide hole and is mounted to be movable in the forward and backward directions within the main body and pulls the electrode unit in the forward and backward directions; and a power supply unit connected to the other end of the electrode unit to supply power to the electrode unit, wherein the electrode unit is connected to be stretched or compressed between the pair of electrode wires and the power supply unit to form a second electrode unit of the electrode unit. It further includes a compensation member that compensates for the difference in the length of each pair of electrode wires caused by the difference in the length of the arc of each electrode wire when the shape is deformed, wherein the operating unit is inserted into the interior of the main body and the other end is open. external casing; and an inner casing mounted on the other open end of the outer casing and internally accommodating a connection portion of the electrode wire and the power supply unit via the compensation member.

The present invention prevents the inflow of body fluids and secretions between the intubation and the electrode by blocking the open part of the interspace so that the kidney membrane ensures the freedom of the electrode during the intubation and prevents body fluids and secretions such as blood from flowing into the space between the intubation and the electrode. By configuring it to block at the source, it prevents device failure due to body fluids and secretions and provides the advantage of enabling more hygienic use and management.

In addition, by omitting the outer shell insulator of the anode tube, the electrode portion can be made relatively thin.

Figure 1 is a diagram schematically showing the appearance of one end of an intubation in a bipolar electrode according to an embodiment of the present invention.
Figure 2 is a diagram schematically showing the cross-sectional configuration of the intubation and electrode portion in the embodiment of Figure 1.
Figure 3 is a diagram schematically showing the appearance of one end of the intubation in another embodiment of the bipolar electrode.
Figure 4 is a diagram schematically showing the cross-sectional configuration of the intubation and electrode portion in the embodiment of Figure 3.
Figure 5 is a diagram showing the overall appearance of the bipolar electrode according to the embodiment of Figures 1 and 3.
FIG. 6 is a diagram schematically showing the cross-sectional configuration of the bipolar electrode shown in FIG. 5.
Figure 7 is a diagram showing the overall appearance of a bipolar electrode in another embodiment of the present invention.
FIG. 8 is a diagram showing an exploded configuration of the bipolar electrode shown in FIG. 7.
FIG. 9 is a diagram schematically showing the overall cross-sectional configuration of the bipolar electrode of FIG. 7.
FIG. 10 is a diagram showing a cross-sectional configuration based on line AA shown in FIG. 9.
FIG. 11A is a diagram showing the state of the first shape of the electrode portion, and FIG. 11B is a diagram showing the state of the second shape of the electrode portion.
Figure 12 is a diagram conceptually showing the length difference that occurs in the electrode wire when the second shape of the electrode portion is deformed.
FIG. 13 is a diagram showing an exploded configuration of the operating unit shown in FIG. 8.
Figures 14 and 15 are diagrams for explaining an example of operation of a bipolar electrode based on the cross-sectional configuration shown in Figure 9.
Figure 16 is a diagram schematically showing the exploded configuration of the electrode part and the power supply part in an embodiment of a bipolar electrode to which a compensating bend and a sealing cap are applied.
Figures 17 and 18 are diagrams for explaining an example of operation of the bipolar electrode shown in Figure 16.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This example is provided to more completely explain the present invention to those with average knowledge in the art. Therefore, the shapes of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that members that are the same or perform the same function in each drawing may be indicated by the same reference numeral. Detailed descriptions of well-known functions and configurations that are judged to unnecessarily obscure the gist of the present invention are omitted.

Hereinafter, a preferred embodiment of the bipolar electrode according to the present invention will be described with reference to the accompanying drawings.

Figure 1 is a diagram schematically showing the appearance of one end of the intubation in a bipolar electrode according to an embodiment of the present invention, and Figure 2 is a diagram schematically showing the cross-sectional configuration of the intubation and electrode portion in the embodiment of Figure 1.

As shown in FIGS. 1 and 2, the bipolar electrode according to the present embodiment moves back and forth along the longitudinal direction of the intubation 110 inside the intubation 110, which is hollow, and supplies power. The electrode unit 200, which receives and generates high frequencies at one end, connects the intubation 110 and one end of the electrode unit 200 to each other to close the open end between the intubation 110 and the electrode unit 200, and the electrode It may be exemplified as including an elongation membrane 600 that is configured to be inserted into the inside of the intubation 110 or unfolded to the outside according to the reciprocating movement of the unit 200.

The intubation 110 is made of an insulating small-diameter pipe extending in the anterior and posterior directions, and can guide the electrode unit 200 to the treatment site within the tissue.

Next, the electrode unit 200 is formed to extend in the longitudinal direction parallel to the intubation 110 and is configured to generate high frequency at one end by receiving power from a power supply unit 400, which will be described later.

For this purpose, the electrode unit 200 is made of a hollow shape smaller than the inner diameter of the intubation 110 and is covered along the outer periphery with the anode tube 221 and the insulating cord 210 to which the renal membrane 600 is fixed. It may be illustrated as including a cathode wire 222 that is wired inside the anode tube 221 but whose electrode tip 222a is configured to be exposed to the outside at one end of the insulating cord 210.

The anode tube 221 may be placed on a concentric circle of the intubation tube 110, and a cathode wire 222 covered with an insulating cord 210 may be wired inside the anode tube 221. In addition, since the electrode tip 222a formed at one end of the cathode wire 222 is configured to be exposed to one side of the insulating cord 210, the anode tube 221 and the cathode wire 222 are connected with the insulating cord 210 between them. They can be insulated from each other and have an electrical separation structure.

The anode tube 221 has an outer diameter smaller than the inner diameter of the intubation tube 110 to enable smooth straight movement within the intubation tube 110. There is a slight gap between the ends of the anode tube 221 and the intubation tube 110. There is a risk that the space (S) may be opened.

In response to the concern that body fluids and secretions may flow into the interspace (S) during the procedure, the renal membrane 600 closes the open portion of the interspace (S), thereby preventing body fluids and secretions from flowing into the interspace (S). A structure that can prevent inflow is realized.

By configuring the interspace S to be closed, there is no need to cover the anode tube 221 with a separate insulator, and through this, the thickness of the electrode portion 200 can be formed relatively thin.

The kidney membrane 600 has a thin donut shape, and the outer diameter portion can be fixed to one end of the intubation 110, and the inner diameter portion can be fixed to one end of the anode tube 221.

The kidney membrane 600 is preferably made of a stretchable insulator considering the characteristic of the electrode unit 200 that can move linearly back and forth along the longitudinal direction from the center of the intubation 110.

The renal membrane 600 is configured to be completely inserted into the intubation 110 when the electrode unit 200 is relatively moved backward, as shown in FIG. 2A, and the electrode unit 200 as shown in FIG. 2B. ) is moved relative to the front, so that one end of the cathode wire 222 protrudes outward, so that it extends in proportion to the one end of the protruding cathode wire 222 and takes on a form that expands outward.

In other words, the kidney membrane 600 ensures free forward and backward movement of the electrode unit 200 and prevents body fluids and secretions from flowing into the space S between the intubation 110 and the electrode unit 200. It is a configuration that can be blocked.

Meanwhile, the bipolar electrode in this embodiment may further include a main body 100, an operating unit 300, and a power supply unit 400, as shown in FIGS. 5 and 6.

First, the main body 100 may have an internal space formed, a hollow tube 110 may be mounted on one end, and the other end may be open.

The operating unit 300 is mounted inside the main body 100 and operates to pull the electrode unit 200.

An control lever 340 may be formed in the operating unit 300, and a guide hole 140 through which the control lever 340 can be exposed and travels is formed on the outer peripheral surface of the main body 100 and extends in the front and rear directions. can be formed.

When the operating unit 300 is accommodated inside the main body 100, the control lever 340 may be exposed to the outside of the main body 100, and the operator operates the control lever 340 in the forward and backward directions to control the main body 100. ) The operating unit 300 can be moved internally in the forward and backward directions.

The operating unit 300 is configured to grip the outer surface of the electrode unit 200 extending across the inside of the main body 100.

A finishing cover 330 may be mounted on the other open end of the main body 100.

The power supply unit 400 may be connected to the other end of the electrode unit 200 to supply power to the electrode unit 200. The power supply unit 400 may be configured in the form of a wire that supplies power toward the electrode unit 200, and may be in the form of a spirally wound coil considering the amount of displacement of the electrode unit 200 to be pulled forward by the operation unit 300. It can be composed of:

A restoration member 120 may be interposed between the main body 100 and the operating unit 300. The restoration member 120 elastically tractions the operating unit 300 backward, thereby restoring the operating unit 300, which has moved forward, to its original position. The restoration member 120 may be built into the main body 100.

In summary, during the procedure, when the control lever 340 is operated forward to move the operating unit 300 forward, the electrode unit 200 is interlocked with this and moves in the same direction as the moving direction of the operating unit 300. , At this time, since an interspace (S) is provided between the intubation 110 and the anode tube 221, no interference with the intubation 110 occurs during the reciprocating movement of the electrode part 200, so that the electrode part 200 operates smoothly. Operability is guaranteed.

In addition, since the renal membrane 600 closes the interspace S, it is possible to prevent the inflow of body fluids and secretions, and in addition, the anode tube 221 is not exposed to the outside, so the anode tube 221 is a separate insulator. Since there is no need to cover it with a covering, the thickness of the electrode portion 200 can be made relatively thin.

It should be noted that the configuration of the main body 100, the operating unit 300, and the power supply unit 400 described above is an example and may be modified in various ways.

Hereinafter, other embodiments of the present invention will be described with reference to the accompanying drawings. Detailed description of parts that are the same or similar to the above-described embodiment will be omitted to avoid duplication. Since this embodiment differs only in the electrode portion from the above-described embodiment, the electrode portion will be described.

Figure 3 is a diagram schematically showing the appearance of one end of the intubation in another embodiment of the bipolar electrode, and Figure 4 is a diagram schematically showing the cross-sectional configuration of the intubation and the electrode portion in the embodiment of Figure 3.

As shown in FIG. 3, the electrode portion 200 in this embodiment is wired along the outer periphery of the insulating cord 210 to which the elongation film 600 is fixed, and is wired inside the insulating cord 210 and has an electrode tip. (221a) is wired inside the insulating cord 210 so as to be spaced apart from the anode wire 221 and the anode wire 221, where one end of the insulating cord 210 is exposed to the outside, and the electrode tip 222a is It may be illustrated as including a negative electrode wire 222 composed of a band-shaped electrode tip surrounding the outer periphery of the insulating cord 210.

The insulating cord 210 can be placed on a concentric circle of the intubation 110 and is made of a hollow shape smaller than the inner diameter of the intubation 110. And, the extension film 600 can be fixed along the outer periphery. Inside the insulating cord 210, the anode wire 221 and the cathode wire 222 may be wired separately.

Each of the electrode tips 221a and 222a of the anode wire 221 and the cathode wire 222 may be exposed to the outside of the insulating cord 210. In particular, the electrode tip 221a formed at one end of the anode wire 221 is configured to be exposed to one side of the insulating cord 210, and the electrode tip 222a of the cathode wire 222 is the electrode tip of the anode wire 221 ( Since the outer circumference of the insulating cord 210 is bent so as to be spaced apart from 221a), the anode wire 221 and the cathode wire 222 are insulated from each other, thereby providing an electrical separation structure.

The insulating cord 210 has an outer diameter smaller than the inner diameter of the intubation 110 to enable smooth straight movement inside the intubation 110. There is a slight gap between the insulating cord 210 and one end of the intubation 110. There is a risk that the space (S) may be opened.

Similar to the above-described embodiment, the kidney membrane 600 is installed to have a structure that can prevent the inflow of body fluids and secretions into the interspace (S).

The outer diameter portion of the renal membrane 600 is fixed to one end of the intubation 110, and the inner diameter portion is fixed to the outer periphery of the insulating cord 210 located posterior to the electrode tip 222a of the cathode wire 222. Can be installed.

The bipolar electrode in this embodiment may further include a main body 100, an operating unit 300, a power supply unit 400, and a closing cap 330, and since this is the same as the above, detailed description will be omitted.

Hereinafter, another embodiment of the present invention will be described with reference to the accompanying drawings. Detailed description of parts that are the same or similar to the above-described embodiment will be omitted to avoid duplication.

FIG. 7 is a diagram showing the overall appearance of a bipolar electrode in another embodiment of the present invention, FIG. 8 is a diagram showing an exploded configuration of the bipolar electrode shown in FIG. 7, and FIG. 9 is an overall cross-section of the bipolar electrode in FIG. 7. It is a diagram schematically showing the configuration, and FIG. 10 is a diagram showing a cross-sectional configuration based on line A-A shown in FIG. 9. FIG. 11A is a diagram showing the state of the first shape of the electrode portion, and FIG. 11B is a diagram showing the state of the first shape of the electrode portion. It is a drawing showing the state of two shapes, and FIG. 12 is a drawing conceptually showing the length difference that occurs in the electrode wire when the second shape of the electrode unit is deformed, and FIG. 13 is a drawing showing the exploded configuration of the operating unit shown in FIG. 8. 14 to 15 are diagrams for explaining an example of operation of a bipolar electrode based on the cross-sectional configuration shown in FIG. 9, and FIG. 16 is a disassembly of the electrode part and the power supply part in an example of a bipolar electrode to which a compensating bend and a sealing cap are applied. This is a diagram schematically showing the configuration, and FIGS. 17 and 18 are diagrams for explaining an operation example of the bipolar electrode shown in FIG. 16.

As shown in Figures 7 to 9, the bipolar electrode in this embodiment is a largely hollow tube 110, an inner space is formed, the tube 110 is mounted on one end, and a guide is provided along the longitudinal direction on the outer peripheral surface. A main body 100 through which a hole 140 is formed, an electrode unit 200 that reciprocates inside the intubation 110 along the longitudinal direction of the intubation 110 and receives power to generate a high frequency at one end, the One end of the intubation 110 and the electrode part 200 is connected to each other to close the open end between the intubation 110 and the electrode part 200, and the intubation 110 is moved according to the reciprocating movement of the electrode part 200. A stretching membrane 600 is configured to be inserted into the inside or deployed to the outside, and an adjustment lever 340 exposed to the guide hole 140 is formed and is mounted to be movable in the forward and backward directions within the main body 100. An operating unit 300 that pulls the electrode unit 200 in the forward and backward directions in a state of operation, and a power supply unit 400 connected to the other end of the electrode unit 200 to supply power to the electrode unit 200. It can be exemplified as including.

When the operating unit 300 moves relative to the main body 100 in the forward and backward directions, the electrode unit 200 is interlocked with this and can reciprocate in the same direction as the moving direction of the operating unit 300. That is, the length of the electrode portion 200 exposed at one end of the intubation 110 can be changed simply by manipulating the operation portion 300.

The intubation 110 is made of a small diameter rigid pipe extending in the anterior and posterior directions, and can guide the electrode tip 221a of the electrode unit 200 to the treatment site within the tissue. The intubation 110 and the main body 100 may be integrated, or the intubation 110 may be replaced in the main body 100 as needed.

A restoration member 120 may be interposed between the main body 100 and the operating unit 300. The restoration member 120 elastically tractions the operating unit 300 backward, thereby restoring the operating unit 300, which has moved forward, to its original position. The restoration member 120 may be built into the main body 100.

The electrode unit 200 generates high frequencies at one end through power supplied from the power supply unit 400. The electrode unit 200 may be formed sequentially inside the intubation 110, the main body 100, and the operating unit 300.

The electrode unit 200 has a first shape in which one side is straightened inside the intubation 110 and a second shape in which the exposed part is exposed to one end of the intubation 110 and is restored to an arc shape according to shape memory. You can have it.

As shown in FIG. 11, the electrode unit 200 may be transformed into a first shape or a second shape according to the operation of the operation unit 300. When the operating unit 300 is pushed rearward by the restoration member 120, one side of the electrode unit 200 becomes the first shape to be accommodated inside the intubation 110, and the operating unit 300 is moved forward. When moved, the electrode unit 200 is pulled forward and takes on a second shape in which one side of the electrode unit 200 is exposed to the open end of the intubation 110. At this time, one side of the electrode unit 200 is in its original state. It can be formed by bending while being restored to its arc shape.

For this purpose, the electrode unit 200 has the elongated film 600 fixed along its outer periphery as shown in FIG. 9, and the interior is divided into an anode space 211 and a cathode space 212 by an insulating plate 213. The formed insulating cord 210 is accommodated in the anode space 211 and the cathode space 212, respectively, and has electrode tips 221a and 222a formed on one end and a pair made of a shape memory alloy with one side bent in an arc shape. The electrode wire 220 and the pair of electrode wires 220 and the power supply unit 400 are connected to be stretched or compressed, so that when the second shape of the electrode unit 200 is deformed, each electrode wire 220 It may be illustrated as including a compensation member 230 that compensates for the difference in length (W) between each pair of electrode wires 220 caused by the difference in length of the arc.

The insulating cord 210 is configured to surround a pair of electrode wires 220 and prevents the electrode wires 220 from being short-circuited.

Each of the pair of electrode wires 220 may be composed of an anode wire 221 wired in the anode space 211 and a cathode wire 222 wired in the cathode space 212, and the anode wire ( Electrode tips 221a and 222a are formed at one end of the 221) and the cathode wire 222, respectively, and are exposed to one end of the insulating cord 210, and the other end is exposed to the other end of the insulating cord 210 and branches off, and then a compensation member. It can be connected to the power supply unit 400 via (230).

The anode wire 221 and the cathode wire 222 may have the same length, and may be processed with one side bent in an arc shape. At this time, when the electrode unit 200 is in the first shape, the anode wire 221 and the cathode wire 222 are deployed in a straight line parallel to the intubation 110 by the intubation 110, and then operate. When one side of the electrode portion 200 is exposed to the outside by the portion 300, one side of the anode wire 221 and the cathode wire 222 is restored to its original state in an arc shape and takes on a second shape.

In other words, the cauterizer according to the present invention deforms one side of the electrode portion 200 into an arc shape according to the forward and backward movement of the electrode portion 200 without the need to individually pull the anode wire 221 and the cathode wire 222. Have a structure that can do it.

The compensation member 230 serves to compensate for the length difference (W) generated between the anode wire 221 and the cathode wire 222 when the second shape of the electrode unit 200 is deformed.

For example, as shown in FIG. 12, when the electrode portion 200 of the first shape is transformed into the second shape, the anode wire 221 and the cathode wire 222 are bent in the same direction, and the arc lengths C1 and C2 are changed. become different from each other.

In this case, the electrode tips 221a and 222a of the anode wire 221 and the cathode wire 222 are misaligned with each other as shown in Figure 12a, or the anode wire 221 and the cathode wire (222a) are misaligned as shown in Figure 12b. A length difference (W) is created at the other end of 222).

That is, the compensation member 230 prevents the length difference (W) between the positive electrode wire 221 and the negative electrode wire 222 from occurring when the second shape of the electrode portion 200 is deformed at the other end of the pair of electrode wires 220. It plays a role in preventing the electrode tips 221a and 222a from being misaligned with each other.

To this end, the compensation member 230 may be made of a pair of spring members that individually connect each of the pair of electrode wires 220 to the power supply unit 400.

As shown in FIG. 15, when the electrode portion 200 is transformed into the second shape, the compensation member 230 connected to at least one of the anode wire 221 and the cathode wire 222 is extended and the anode wire 221 and The length difference (W) of the other end of the cathode wire 222 is compensated.

Subsequently, as shown in FIG. 14, when the electrode unit 200 is deformed into the first shape, the stretched compensation member 230 is compressed to match the other ends of the anode wire 221 and the cathode wire 222.

Meanwhile, the compensation member 230 is preferably made of a conductive material that can conduct power transmitted from the power supply unit 400 to the electrode wire 220.

The power supply unit 400 is configured in the form of a wire that supplies power toward the electrode unit 200. Power supplied from the power supply unit 400 may be conducted to the electrode wire 220 through the compensation member 230.

The operating unit 300 may perform linear reciprocating movement within the main body 100. The forward linear movement of the operation unit 300 can be achieved by the operator's manipulation, and when the forward traction force of the operation unit 300 moved forward is released, the operation unit 300 is moved by the elastic restoring force of the restoration member 120. It may be pushed back to its original position.

When the operation unit 300 moves forward, the electrode unit 200 is also pulled forward and transformed into the second shape in conjunction with this, and when the operation unit 300 moves backward, the electrode unit 200 is interlocked with this. It also has a structure that allows it to be towed rearward and returned to its first shape.

For this purpose, the operating unit 300 is inserted into the interior of the main body 100 as shown in FIG. 13 and is mounted on the outer casing 310 with the other end open and the other open end of the outer casing 310, It may be illustrated as including an inner casing 320 that internally accommodates a connection portion of the electrode wire 220 and the power supply unit 400 via the compensation member 230.

A through hole 313 through which the electrode unit 200 passes may be formed through one end of the outer casing 310.

The inner casing 320 is configured to be detachable from the outer casing 310 for ease of maintenance, and the inner casing 320 itself is divided into two pairs so that the inner space can be easily opened. Have a structure.

In particular, since the interconnection portion of the electrode wire 220, compensation member 230, and power supply unit 400 is located inside the inner casing 320, it is possible to easily repair it in case of disconnection due to repeated use. Requesting rescue.

A second guide member 321 may be formed to protrude on the outside of the inner casing 320, and a second guide groove complementary to the second guide member 321 may be formed on the inner peripheral surface of the other open end of the outer casing 310 ( (not shown) may form a depression.

By aligning the second guide member 321 with the second guide groove, it is possible to prevent the inner casing 320 from spinning around inside the outer casing 310.

A partition plate 322 may be formed inside the inner casing 320, and the other ends of the anode wire 221 and the cathode wire 222 may be wired with the partition plate 322 at the center. Additionally, a pair of compensation members 230 may be spaced apart from each other with the partition plate 322 at the center.

The partition plate 322 prevents the anode wire 221 and the cathode wire 222 or the pair of compensation members 230 from being electrically short-circuited with each other.

A through hole 323 through which the insulating cord 210 passes may be formed through one end of the inner casing 320.

The kidney membrane 600 has a thin donut shape, and the outer diameter portion can be fixed to one end of the intubation 110, and the inner diameter portion can be fixed to one end of the insulating cord 210.

Meanwhile, a rotation prevention member 223 may be formed at the other end of each of the pair of electrode wires 220 and is supported on the inner surface of the inner casing 320 to limit the rotational movement of the pair of electrode wires 220. .

The rotation prevention member 223 is disposed inside the inner casing 320 in a rectangular plate shape and is supported by a sufficient area inside the inner casing 320 to prevent relative rotational movement of the electrode unit 200.

During the bipolar electrode procedure, if the treatment area is hidden in a location where the electrode tips 221a and 222a cannot be easily accessed by nerves, hard tissues, etc., one end of the electrode unit 200 is manipulated to be bent into a curve, The electrode tips 221a and 222a can avoid nerves, hard tissues, etc. around the treatment area. In this case, if the protruding length of the electrode unit 200 becomes longer, the intubation 110 and the main body 100 may be damaged during the manipulation of the electrode unit. , there is a risk that relative rotation may occur in the operating unit 300, etc.

If the electrode unit 200 is relatively rotated for unexpected reasons while inserted into the tissue, one side of the curved electrode unit 200 rotates in a large radius, damaging the surrounding tissue. Alternatively, a problem occurs in which the electrode tips 221a and 222a cannot be accurately positioned at the desired location.

In addition, when the electrode unit 200 is interlocked with the operating unit 300 and repetitive reciprocating linear motion in the forward and backward directions occurs, the anode wire 221 is formed inside the inner casing 320 by the fine angular movement of the electrode unit 200. ) and the cathode wire 222, or the pair of restoration members 120 may become entangled and twisted.

Accordingly, the electrode unit 200 of the present invention forms a rotation prevention member 223 at the other end of the electrode wire 220, and the rotation prevention member 223 is supported by a sufficient area on the inner surface of the inner casing 320. By doing so, a structure capable of preventing relative rotation of the electrode unit 200 is provided.

In addition, a guide slit 324 that guides the rotation prevention member 223 in the front and rear directions may be formed through the inner casing 320.

The guide slit 324 may be formed symmetrically on the upper and lower surfaces of the inner casing 320 to accommodate a pair of rotation prevention members 223 formed on the anode wire 221 and the cathode wire 222, respectively. there is.

If the rotation prevention member 223 is configured to be inserted into the guide slit 324, both rotation prevention members 223 can be inserted into the guide slit 324 without the need to bring the rotation prevention member 223 into close contact with the inner surface of the inner casing 320. A structure is provided to prevent rotational movement of the operating unit 300 by being restrained, and in addition, the rotation prevention member 223 is allowed to move forward and backward along the guide slit 324, so that the electrode unit When the first or second shape of 200 is deformed, a structure capable of minimizing frictional resistance between the inner casing 320 and the rotation prevention member 223 of the electrode unit 200 is provided.

Meanwhile, the electrode unit 200 may be configured to be provided with a compensation bending part 240 and a sealing cap 250 to replace the functions of the compensation member 230 and the rotation prevention member 223 described above.

More specifically, in the bipolar electrode of this embodiment, the other end of each pair of electrode wires 220 is a pair generated by the difference in arc length of each electrode wire 220 when the second shape of the electrode portion 200 is deformed. Each of the electrode wires 220 may have a compensation bending portion 240 that is bent multiple times to compensate for the length difference (W) of the other end. Additionally, the compensating bent portion 240 may be covered with a cylindrical sealing cap 250.

The sealing cap 250 is configured to be electrically connected to the power supply unit 400 while covering the compensating bent portion 240.

That is, power supplied from the power supply unit 400 may be applied to the electrode wire 220 through the sealing cap 250. For this purpose, the sealing cap 250 is preferably made of a conductive material.

Additionally, the compensating bent portion 240 is configured to be simply inserted into the sealing cap 250. In this way, a structure is provided in which a portion of the other end of the electrode wire 220, including the compensating bent portion 240, can be discharged from the sealing cap 250 when the second shape of the electrode portion 200 is deformed.

The sealing cap 250 may be formed in a cylindrical shape with one end open to accommodate the other end of the electrode wire 220 including the compensating bent portion 240 therein.

The compensating bent portion 240 may be formed by bending the other ends of the anode wire 221 and the cathode wire 222 multiple times. Since the compensating bent portions 240 of the anode wire 221 and the cathode wire 222 are formed symmetrically in the same structure, hereinafter, based on the compensating bent portion 240 formed on the anode wire 221, the compensating bent portions will be defined. An example of (240) is explained.

As shown in Figures 17 and 18, the compensating bent part 240 is formed by bending the other end of the anode wire 221 in the opposite direction and forming a first bent part 241 and the anode wire at the first bent part 241. It may be illustrated as including a second bent portion 242 that is bent and extended in a direction perpendicular to the longitudinal direction of 221 and exposed to the outside of the sealing cap 250.

And, at this time, the inner casing 320 may be configured to internally accommodate the connection portion between the electrode wire 220 and the power supply unit 400 via the sealing cap 250.

When the electrode unit 200 is transformed into the second shape, the anode wire 221 is pulled forward inside the sealing cap 250, and a portion of the other end of the anode wire 221 is discharged from the inside of the sealing cap 250. At this time, a portion of the other end of the anode wire 221 and the first bent portion 241 can be maintained in contact with the inside of the sealing cap 250, so that the power supplied from the power supply unit 400 can be supplied without difficulty. there is.

In addition, since the second bent portion 242 is exposed to the outside of the sealing cap 250 from the first bent portion 241, the second bent portion 242 is supported on the inside of the inner casing 320, or While inserted into one guide slit 324, it can be guided in the forward and backward directions by the guide slit 324, preventing rotational movement of the electrode part 200 and changing the first shape or second shape of the electrode part 200. A structure is provided that can minimize frictional resistance between the inner casing 320 and the rotation prevention member 223 of the electrode portion 200 when the shape is changed. That is, the second bent portion 242 can provide the same function as the rotation prevention member 223 described above.

The embodiments of the present invention described above are merely illustrative, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible. Therefore, it will be understood that the present invention is not limited to the forms mentioned in the detailed description above. Therefore, the true scope of technical protection of the present invention should be determined by the technical spirit of the attached patent claims. In addition, the present invention should be understood to include all modifications, equivalents and substitutes within the spirit and scope of the present invention as defined by the appended claims.

110: Intubation 200: Electrode unit 600: Renal membrane

Claims (2)

In a bipolar electrode that is easy to assemble,
Intubation made of a hollow type;
An electrode unit that moves back and forth along the longitudinal direction of the intubation inside the intubation and receives power to generate a high frequency at one end; and
It includes a renal membrane connecting the intubation and one end of the electrode unit to each other,
The intubation is made of insulation,
The electrode part,
A bipolar tube that is hollow and to which the renal membrane is fixed along the outer periphery; and
A cathode wire is wired inside the anode tube in a state covered by an insulating cord, but the electrode tip is configured to be exposed to the outside at one end of the insulating cord;
The kidney membrane is made of a stretchable material in the form of a thin donut. The outer diameter portion is fixed to one end of the intubation, and the inner diameter portion is fixed to one end of the bipolar tube, and the open end between the intubation and the electrode portion is closed and the electrode is used. When the part moves relative to the rear, it is configured to be completely inserted into the inside of the intubation, and when the electrode part moves relative to the front and one end of the cathode wire is configured to protrude to the outside, it extends in proportion to the end of the protruding cathode wire and expands to the outside. An easy-to-assemble bipolar electrode characterized by having a shape. Intubation made of a hollow type;
An electrode unit that moves back and forth along the longitudinal direction of the intubation inside the intubation and receives power to generate a high frequency at one end; and
A renal membrane configured to connect one end of the tube and the electrode unit to each other to close the open end between the tube and the electrode unit, and to be inserted into the interior of the tube or deployed to the outside as the electrode unit reciprocates,
The intubation is made of insulation,
The electrode part,
Inside the intubation, it optionally has a first shape in which one side is straightened and a second shape in which the exposed portion of the intubation is exposed to one end and is restored to an arc shape according to shape memory,
The electrode part,
an insulating cord in which the stretching film is fixed along the outer periphery and the inside of which is divided into an anode space and a cathode space by an insulating plate; and
It includes a pair of electrode wires each accommodated in the anode space and the cathode space and made of a shape memory alloy with an electrode tip formed on one end and one side bent in an arc shape,
A main body in which an inner space is formed, the tube is mounted at one end, and a guide hole is formed along the longitudinal direction on the outer peripheral surface;
An operating unit that has an adjustment lever exposed through the guide hole and is mounted to be movable in the forward and backward directions within the main body and pulls the electrode unit in the forward and backward directions; and
It further includes a power supply connected to the other end of the electrode unit to supply power to the electrode unit,
The electrode part,
A compensation device that is connected to be stretched or compressed between the pair of electrode wires and the power supply unit to compensate for the difference in length between the pair of electrode wires caused by the difference in arc length of each electrode wire when the second shape of the electrode part is deformed. Absence; further includes,
The operating unit,
an outer casing that is inserted into the main body and has an open other end; and
An inner casing that is mounted on the other open end of the outer casing and internally accommodates a connection portion of the electrode wire and the power supply unit via the compensation member.

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