KR200493951Y1 - Medical needle assembly and electric operation apparatus comprising the same - Google Patents

Abstract

One embodiment of the present invention, a needle portion having a first electrode and a second electrode, a handle portion connected to the needle portion, a first wire portion connected to the handle portion and having two or more sub-lines, the first A twist prevention module connected to the wire part and a terminal part connected to the twist prevention module, wherein the twist prevention module includes a fixing member having an accommodating space therein and a rotating member rotatably accommodated in the accommodating space of the fixing member To provide a medical needle assembly.

Description

Medical needle assembly and electric treatment device including same {MEDICAL NEEDLE ASSEMBLY AND ELECTRIC OPERATION APPARATUS COMPRISING THE SAME}

The present invention relates to a medical needle assembly and an electric surgical device including the same, and more particularly, to a medical needle assembly capable of treating a disc by generating a high frequency, and an electric surgical device including the same.

The disc, a disc-shaped soft bone that exists between vertebrae, functions to absorb shock and protect the spine. When the disc is damaged, the nucleus pulposus of the disc escapes and compresses the surrounding spinal nerves, which may cause various neurological abnormalities. Recently, methods for treating or treating a damaged disc using a high frequency or laser have been developed and implemented.

In general, an electric treatment apparatus using a high frequency includes a main body for generating a signal for generating a high frequency and a needle unit electrically connected to the main body to generate a high frequency according to a high frequency signal applied from the main body. Such a needle part is also called an electrode part, and in the course of treatment or procedure, one end of the needle part is inserted into the affected part of the object to be treated or treated, and the other end is exposed from the object to be treated or treated. At this time, the operator proceeds with the operation while holding the other end of the exposed needle portion, moving or rotating the needle portion forward, backward, left and right.

In general, the body and the needle portion are connected to each other via an electric wire. However, when the operator operates while rotating the needle part, the electric wire connected to the needle part is also rotated, so that the electric wire is twisted. In this way, the twisted wire has a restoring force to unwind in the opposite direction to the twisted direction. Due to this, when the wire is rotated in the unwinding direction regardless of the operator's intention, the needle part also rotates, so there is a risk of a safety accident. .

The prior art related to an electric treatment device using high frequency is disclosed in Korean Patent Application Laid-Open No. 10-2010-0010915 (February 02, 2010) and the like.

An object of the present invention is to provide a medical needle assembly and an electric treatment device that can solve the problems of the prior art as described above.

In order to achieve this object, an embodiment of the present invention is to provide a medical needle assembly and an electric surgical device using the same, which can prevent the wire connected to the needle unit from being twisted during treatment or procedure.

One embodiment of the present invention, a needle portion having a first electrode and a second electrode; a handle part connected to the needle part; a first electric wire connected to the handle and having two or more sub-lines; a twist prevention module connected to the first wire part; and a terminal unit connected to the twist preventing module, wherein the twist preventing module includes: a fixing member having an accommodating space therein; and a rotating member rotatably accommodated in the accommodating space of the fixing member, wherein the fixing member includes: a substrate connected to the terminal unit; and two or more wires drawn from the substrate toward the fixing member, wherein the rotating member includes: a cylindrical body; and two or more annular terminals disposed on the outer circumferential surface of the cylindrical body and spaced apart from each other, wherein each of the two or more annular terminals spaced apart from each other is in friction contact with the two or more wires independently, respectively, and the first The two or more sub-lines of one electric wire are connected to the two or more annular terminals inside the cylindrical body, respectively, to provide a medical needle assembly.

The handle portion is disposed between the first wire portion and the needle portion, the first cap connecting the first wire portion and the needle portion; and a second cap rotatably coupled to the first cap.

The first cap connects a portion of the two or more sub-lines and the first electrode 121 , and connects another portion of the two or more sub-lines and the second electrode 125 .

The first cap may include a body; a support pipe extending from the body, passing through the second cap, and accommodating at least a portion of the needle part; and a first locking frame protruding from the outer circumferential surface of the support tube and caught on the second cap.

The second cap may include: a cylinder-shaped body part with upper and lower surfaces open; and a second locking frame protruding from the inner circumferential surface of the body portion and caught on the first locking frame of the first cap.

Another embodiment of the present invention, a body for applying a high-frequency signal; A medical needle assembly according to any one of claims 1 to 15, which generates a high frequency using the high frequency signal applied from the body; and a body wire connecting the body and the medical needle assembly, wherein the body wire 141 is connected to the twist prevention module through the terminal part 159, and the first wire part and the body wire are To provide an electric treatment device, which rotates independently of each other.

Medical needle assembly according to an embodiment of the present invention includes a needle portion and a twist prevention module, even if the needle portion rotates, the wire connecting the twist prevention module and the body is not twisted. Due to this, the wire is prevented from being twisted or rotated regardless of the operator's intention, thereby preventing a safety accident caused by unintentional rotation of the wire and the needle.

1 is a perspective view of a medical needle assembly according to an embodiment of the present invention.
2 is a cross-sectional view of a needle part according to an embodiment of the present invention.
Figure 3 is an exploded perspective view of the handle shown in Figure 1;
4 is a cross-sectional view of the coupling of FIG. 3 .
5 is an exploded perspective view of the anti-twist module and the tube shown in FIG. 1 .
6 is an exploded perspective view of the anti-twist module shown in FIG. 5 .
7 is a cross-sectional view taken along line 'AA' of FIG.
8 is a schematic diagram of an electric treatment apparatus according to another embodiment of the present invention.
9A to 9D are perspective views illustrating a state of use of an electric treatment device according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings and examples.

The drawings are provided to help the understanding of the present invention, and the components may be enlarged or reduced, and the components may be omitted. The shape of the components disclosed in the drawings does not necessarily correspond to the shape of the actual product.

In the present specification, in adding reference numbers to the components of each drawing, the same components are indicated by the same reference numbers as much as possible even though they are indicated on different drawings.

The meaning of the terms described herein should be understood as follows.

The singular expression is to be understood as including the plural expression unless the context clearly defines otherwise, and the terms "first", "second", etc. are used to distinguish one element from another, The scope of rights should not be limited by these terms.

It should be understood that terms such as “comprise” or “have” do not preclude the possibility of addition or existence of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

The term “at least one” should be understood to include all possible combinations from one or more related items. For example, the meaning of "at least one of the first, second, and third items" means 2 of the first, second, and third items as well as each of the first, second, or third items. Includes any combination of items that can be presented from more than one.

The term “and/or” should be understood to include all combinations possible from one or more related items. For example, the meaning of "item first, second, and/or third" means not only the first, second, or third item, but also two of the first, second, or third items. Combinations of all items that can be presented from the above are included.

When a component is referred to as "connected" or "installed" to another component, it should be understood that a component may be directly connected or installed to another component, but other components may exist in between. something to do. On the other hand, when a component is referred to as “directly connected” or “directly installed” to another component, it should be understood that the other component does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

On the other hand, when it is mentioned that a component is "formed", "coupled", or "installed" to another component, a component and another component are separately provided and formed, combined, or installed, as well as It should be construed as including a single body in which a certain component and another component are one body.

Hereinafter, with reference to the accompanying drawings, the medical needle assembly 100 and the electric treatment device 200 according to an embodiment of the present invention will be described in detail.

1 is a perspective view of a medical needle assembly 100 according to an embodiment of the present invention.

Medical needle assembly 100 according to an embodiment of the present invention is a needle portion 120 having a first electrode 121 and a second electrode 125, the handle portion 130 connected to the needle portion 120, the handle The first wire part 145 connected to the part 130 and having two or more sub-lines (L1, L2, L3, L4, L5, L6), the twist prevention module 150 connected to the first wire part 145 and a terminal unit 159 connected to the twist prevention module 150 .

The needle part 120 generates a high frequency. That is, the needle unit 120 generates a high frequency signal using the high frequency signal applied from the main body 110 of the electric treatment apparatus 200 (see FIG. 8 ). The needle part 120 has a needle shape as a whole, and one end (A) is inserted into the affected part or near the affected part of the object to be treated to generate a high frequency. Accordingly, heat is generated at one end (A) of the needle part 120 .

2 is a cross-sectional view of the needle part 120 according to an embodiment of the present invention.

Referring to FIG. 2 , the needle part 120 has a linear first electrode 121 , a cylindrical insulating layer 123 surrounding the first electrode 121 , and a cylindrical insulating layer 123 surrounding the insulating layer 123 . A second electrode 125 is included. The needle part 120 may further include an external insulating layer (not shown) that surrounds the second electrode 125 and protects the second electrode 125 .

Referring to FIG. 1 , one end of the first electrode 121 protrudes from the second electrode 125 . A high frequency wave may be generated between one end of the protruding first electrode 121 and an end of the second electrode 125 . A portion including one end of the protruding first electrode 121 and the end of the second electrode 125 is referred to as an electrode tip.

When a high frequency is generated in a state in which the needle part 120 is inserted into the affected part or near the affected part, heat is generated at one end (A) of the needle part 120 and treatment or treatment is performed.

Referring to FIG. 1 , one end of the first electrode 121 protruding from the second electrode 125 has a curved shape. As described above, one end of the first electrode 121 is bent, thereby increasing the high frequency generation efficiency.

The needle part 120 may be inserted into the treatment object via a cannula 50 to be described later (see FIGS. 9A to 9D ). The needle part 120 is connected to the handle part 130 .

Specifically, the other end of the needle part 120 may be fixedly disposed on the handle part 130 . The handle 130 is a part gripped by the operator. The operator may hold the handle portion 130 and proceed with the operation while moving the needle portion 120 .

FIG. 3 is an exploded perspective view of the handle 130 shown in FIG. 1 , and FIG. 4 is a cross-sectional view of FIG. 3 .

3 and 4 , the handle 130 includes a first cap 131 and a second cap 135 . The first cap 131 is disposed between the needle part 120 and the first wire part 145 to connect the needle part 120 and the first wire part 145 . The second cap 135 is rotatably coupled to the first cap 131 . The second cap 135 may be disposed on the side of the needle part 120 opposite to the first wire part 145 .

The first cap 131 includes a body 131a, a support pipe 131b and a first locking frame 131c.

The body 131a has a hollow part. The support pipe (131b) extends from the body (131a), passes through the second cap (135), and accommodates at least a portion of the needle part (120). The first locking frame 131c protrudes from the outer circumferential surface of the support pipe 131b and is caught by the second cap 135 .

The second cap 135 has a body portion 135a and a second locking frame 135b. The body portion 135a has a cylindrical shape with upper and lower surfaces open. The second locking frame 135b protrudes from the inner circumferential surface of the body portion 135a and is caught by the first locking frame 131c of the first cap 131 . When the first cap 131 and the second cap 135 are coupled to each other, the first locking frame 131c and the second locking frame 135b are engaged with each other so that the first cap 131 and the second cap 135 are separation is prevented.

The first cap 131 and the second cap 135 may be engaged with each other by the first locking frame 131c and the second locking frame 135b, and may rotate independently of each other.

1 and 4, the other end (opposite of A) of the needle part 120 is fixed to the first cap 131 of the handle part 130, and at this time, the guide formed in the first cap 131 The needle part 120 is inserted into the tube 139 . In addition, the needle part 120 passes through the second cap 135 . Since the needle part 120 is fixed to the first cap 131 , the second cap 135 may rotate or move independently of the needle part 120 .

Medical needle assembly 100 according to an embodiment of the present invention may further include a cannula 50, the second cap 135 may have a cannula fixing portion (135c). Cannula fixing portion (135c), for example, may have a thread.

In addition, when the cannula fixing part 135c has a nut shape, and the cap 52 of the cannula 50 provided at one end of the cannula 50 has a bolt shape (see FIG. 9c ), the cap of the cannula 50 ( 52 may be fixed to the fixing part 135c of the second cap 135 by a bolt-nut coupling. That is, the cannula 50 may be inserted and fixed between the outer circumferential surface of the support tube 131b of the first cap 131 and the inner circumferential surface of the body portion 135a of the second cap 135 . At this time, the handle 130 may be detachably coupled to the cannula 50 (see FIGS. 9a to 9d).

The cannula 50 has a tube shape, and the needle part 120 may be inserted into the cannula 50 . When the needle part 120 is inserted into the cannula 50 , one end A of the needle part 120 is exposed from the cannula 50 .

The handle part 130 is connected to the twist prevention module 150 through the first wire part 145 .

One end of the first wire part 145 may be inserted into a hollow part provided in the body 131a of the first cap 131 constituting the handle part 130 .

The first wire part 145 is connected to the handle part 130 and has two or more sub-lines L1, L2, L3, L4, L5, and L6.

According to an embodiment of the present invention, the first cap 131 connects some of the two or more sub-lines L1, L2, L3, L4, L5, L6 to the first electrode 121, and at least two Another part of the sub-lines L1 , L2 , L3 , L4 , L5 , and L6 is connected to the second electrode 125 . Accordingly, the needle part 120 in the first cap 131 of the handle part 130 is connected to the first wire part 145 .

Referring to FIG. 4 , some of the sub-lines L1 , L2 , and L3 of the first wire part 145 are connected to the first electrode 121 in the first cap 131 , and another part of the sub-lines L4 , L5 , and L6 are connected to the second electrode 125 in the other part of the first cap 131 . Accordingly, an electric signal may be independently applied to the first electrode 121 and the second electrode 125 of the electrode unit 120 . The sub-line and the first electrode 121 and the second electrode 215 may be connected by a known method, for example, by a method such as soldering.

4 shows that the first wire part 145 has six sub-lines L1, L2, L3, L4, L5, and L6. However, an embodiment of the present invention is not limited thereto, and the first wire unit 145 may have four sub-lines L1, L2, L4, and L5 or two sub-lines L1 and L4. In addition, the first wire unit 145 may have three or five sub-lines, or may have seven or more sub-lines.

When the first wire part 145 has four sub-lines L1, L2, L4, and L5, two of the sub-lines L1 and L2 are connected to the first electrode 121 in the first cap 131 and connected, and the other two L4 and L5 may be connected to the second electrode 125 in the first cap 131 .

In addition, when the first wire part 145 has two sub-lines L1 and L4 , one L1 of the sub-lines is connected to the first electrode 121 in the first cap 131 , and the other is connected to the first electrode 121 in the first cap 131 . L4 may be connected to the second electrode 125 in the first cap 131 .

The other end of the first wire part 145 is connected to the twist prevention module 150 . That is, the twist prevention module 150 is connected to the first wire part 145 .

5 is an exploded perspective view of the anti-twist module 150 and the tube 160 shown in FIG. 1, FIG. 6 is an exploded perspective view of the anti-twist module 150 shown in FIG. 5, and FIG. It is a cross-sectional view taken along line AA".

5, 6 and 7 , the twist prevention module 150 includes a fixing member 153 having an accommodating space therein and a rotating member 155 rotatably accommodated in the accommodating space of the fixing member 153 . includes

Referring to FIG. 6 , the fixing member 153 includes a first body 153a and a second body 153b. The first body 153a and the second body 153b may be symmetrical to each other, and may be coupled to each other to form one body. In addition, the first body 153a and the second body 153b are provided with substrates 153c and 153d, respectively. Wires W1 , W2 , W3 , W4 , W5 , and W6 facing the inside of the fixing member 153 may be disposed on each of the substrates 153c and 153d . However, one embodiment of the present invention is not limited thereto, and the fixing member 153 may be formed as a single body, and the two substrates 153c and 153d are the first body 153a and the second body 153b. ) and may be formed integrally with each.

Specifically, the fixing member 153 includes two or more wires (W1, W2, W3, W4) drawn toward the fixing member 153 from the substrates 153c and 153d connected to the connection terminal 159 and the substrates 153c and 153d. , W5, W6); 6 and 7, three wires W1, W2, and W3 are drawn out from the substrate 153c disposed on the first body 153a, and the substrate 153d disposed on the second body 153b. Three wires (W4, W5, W6) are drawn out from.

Each of the two or more wires (W1, W2, W3, W4, W5, W6) has two or more annular terminals (P1, P2, P3, P4, P5, P6) disposed on the rotating member 155 independently of each other and connect

The rotating member 155 has a substantially cylindrical shape and is rotatably installed inside the fixing member 153 . That is, the rotating member 155 is rotatably installed inside the body of the fixing member 153 formed by coupling the first body 153a and the second body 153b.

6 and 7, in order to facilitate mutual rotation of the rotating member 155 and the fixing member 153, a bearing 157 is disposed.

The rotating member 155 includes a cylindrical body 155a and two or more annular terminals P1, P2, P3, P4, P5, P6 disposed on the outer circumferential surface of the cylindrical body 155a and spaced apart from each other. Each of the annular terminals P1, P2, P3, P4, P5, and P6 is insulated and spaced apart from each other, and each independently forms one conductive circular ring.

Two or more annular terminals (P1, P2, P3, P4, P5, P6) spaced apart from each other each have two or more wires (W1, W2, W3, W4, W5, W6) provided in the fixing member 153 and each independently frictionally contact. Therefore, even when the rotating member 155 rotates around the fixing member 153 or the fixing member 153 rotates around the rotating member 155 , the electrical connection between the fixing member 153 and the rotating member 155 . this can be maintained.

Referring to FIG. 6 , six annular terminals P1 , P2 , P3 , P4 , P5 , and P6 are provided on the rotating member 155 , and six wires W1 , W2 , W3 are provided on the boards 153c and 153d. , W4, W5, W6) are provided. However, one embodiment of the present invention is not limited thereto, and four or two annular terminals may be provided on the rotating member 155 , and four or two wires may be provided on the substrates 153c and 153d. may be In addition, the number of the wire and the annular terminal may be 3 or 5, respectively, and may be 7 or more.

On the other hand, the other end of the first wire portion 145 is disposed to extend into the cylindrical body (155a) of the rotating member (155). In addition, the two or more sub-lines (L1, L2, L3, L4, L5, L6) of the first wire part 145 have two or more annular terminals P1, P2, P3, P4, P5, P6) and each independently connected.

According to an embodiment of the present invention, two or more sub-lines (L1, L2, L3, L4, L5, L6) are each independent of two or more annular terminals (P1, P2, P3, P4, P5, P6) can be fixed to As a result, the first wire part 145 and the rotating member 155 can move integrally.

By this connection, the twist prevention module 150 may be electrically connected to the handle 130 by the first wire part 145 .

Since the fixing member 153 and the rotating member 155 can rotate independently of each other, the components connected to the fixing member 153 and the structural elements connected to the rotating member 155 can rotate independently of each other. Thereby, twisting of the wires is prevented.

The anti-twisting module 150 may further include a housing 151 formed in an open cylindrical shape to accommodate the fixing member 153 . The housing 151 may form the appearance of the anti-twist module 150 .

In addition, referring to FIGS. 1 and 6 , the medical needle assembly 100 may further include a tube 160 disposed on the outer surface of the housing 151 . The tube 160 protects the anti-twist module 150 .

Medical needle assembly 100 according to an embodiment of the present invention includes a second wire portion 146 for connecting the twist prevention module 150 and the terminal portion 159.

Referring to FIG. 7 , the second wire part 146 includes two or more auxiliary lines S1 , S2 , S3 , S4 , S5 , which connect the boards 153c and 153d of the fixing member 153 and the terminal part 159 , S6). The two or more auxiliary lines S1, S2, S3, S4, S5, and S6 are respectively connected to two or more wires W1, W2, W3, W4, W5, and W6. Two or more auxiliary lines (S1, S2, S3, S4, S5, S6) and two or more wires (W1, W2, W3, W4, W5, W6) are connected through substrates 153c and 153d, such substrates A printed circuit board (PCB) may be used as (153c, 153d). In addition, there is no particular limitation on their connection method.

It is shown in FIG. 7 that the second wire part 146 has six auxiliary lines S1, S2, S3, S4, S5, S6. However, an embodiment of the present invention is not limited thereto, and the second wire unit 146 may have four auxiliary lines S1, S2, S4, S5 or two auxiliary lines S1 and S4. In addition, the second wire unit 146 may have three or five auxiliary lines, or may have seven or more auxiliary lines.

By the second wire part 146 , the high-frequency signal applied to the terminal part 159 may be transmitted to the fixing member 153 and the rotating member 155 of the twist prevention module 150 .

The terminal unit 159 serves to connect the medical needle assembly 100 to other devices. Referring to FIG. 8 , the terminal unit 159 connects the medical needle assembly 100 to the body 110 . In this case, the main body wire 141 may be used to connect the terminal part 159 and the main body 110 .

The shape or configuration of the terminal part 159 is not particularly limited. The terminal part 159 may be formed in various shapes, such as an electrode pad, a socket, or a plug.

Meanwhile, when the terminal part 159 is directly disposed on the twist prevention module 150 , the second wire part 146 may be omitted.

In the medical needle assembly 100 according to an embodiment of the present invention, the handle portion 130 connected to the needle portion 120 is connected to the terminal portion 159 via the twist prevention module 150 . Since the fixing member 153 and the rotating member 155 constituting the twist prevention module 150 can rotate independently of each other, the first wire part 145, which is a structure connected to the fixing member 153, the handle part ( 130) and the second wire part 146 and the terminal part 159, which are structures connected to the needle part 120 and the rotating member 155, may rotate independently of each other. Accordingly, even if the handle part 130 and the needle part 120 rotate during the procedure, the second electric wire part 146 and the terminal part 159 may not rotate, and the main body wire 141 connected to the terminal part 159 may not rotate. ) may not rotate either.

That is, when the operator performs a procedure using the medical needle assembly 100 according to an embodiment of the present invention, hold the handle 130 and linearly move the handle 130 in the front-back direction or left-right direction or the handle Even when the part 130 is rotated, the second wire part 146 and the second wire 141 are not twisted. Therefore, when using the medical needle assembly 100 according to an embodiment of the present invention, the twisted wires 141 and 146 are released, regardless of the operator's intention, the handle 130 and the needle part 120 are No rotation issues.

8 is a schematic diagram of an electric treatment apparatus 200 according to another embodiment of the present invention.

The electric treatment apparatus 200 according to another embodiment of the present invention may be used to treat an affected area using a high frequency wave.

The electric treatment apparatus 200 of FIG. 8 includes a main body 110 that applies a high-frequency signal, a medical needle assembly 100 that receives a high-frequency signal from the main body 110 and generates a high-frequency signal, and connects the main body and the medical needle assembly. It includes a body wire 141 .

Since the medical needle assembly 100 has already been described, a detailed description thereof is omitted to avoid duplication.

The main body 110 is not limited in its configuration as long as it is a device capable of generating a high-frequency signal for high-frequency treatment. The main body of a commercially available medical device may be used as the main body 110 of the electric treatment device 200 according to another embodiment of the present invention.

The main body 110 may include, for example, a power supply (not shown), a high-frequency signal generator (not shown), and the like.

The body 110 and the medical needle assembly 100 are connected by the body wire 141 .

In this way, the body 110 connected to the needle assembly 100 applies a high-frequency signal to the needle part 120 to generate a high-frequency signal from the needle part 120 .

Specifically, the high-frequency signal generated from the main body 110 reaches the twist prevention module 150 through the main body wire 141 , the terminal part 159 , and the second wire 146 . In the anti-twisting module 150, the high-frequency signal passes through the substrates 153c and 153d and two or more wires W1, W2, W3, W4, W5, and W6 provided on the fixing member 153 to the rotating member 155. is transmitted to the annular terminals P1, P2, P3, P4, P5, and P6, and is again transmitted from the annular terminals P1, P2, P3, P4, P5, and P6 to the first wire unit 145. The high-frequency signal transmitted to the first wire unit 145 is transmitted to the needle unit 120 through the first cap 131 of the handle unit 130 . The high-frequency signal transmitted to the needle part 120 generates a high-frequency signal at one end (A) of the needle part 120 .

When performing a procedure using the electric treatment device 200 according to another embodiment of the present invention, the operator holds the handle 130 in order to treat the affected part and moves the handle 130 in a straight line in the front-rear or left-right direction. or rotate the handle unit 130 . If, without the twist prevention module 150, when the handle portion 130 is connected to the main body wire 141, the main body wire 141 is twisted while rotating by the rotation of the handle portion 130, and thus the twisted body The wire 141 will try to rotate in the direction it wants to unwind. At this time, regardless of the intention of the operator, when the main body wire 141 is released, the handle 130 and the needle part 120 are also rotated by the unwinding of the main body wire 141, so there is a risk of a safety accident.

According to another embodiment of the present invention, the twist prevention module 150 is disposed to prevent the main body wire 141 from being twisted by the rotation of the handle part 130 .

The fixing member 153 and the rotating member 155 constituting the twist prevention module 150 can rotate independently of each other, and accordingly, the structures connected to the fixing member 153 and the structures connected to the rotating member 155 . They can rotate independently of each other. That is, the handle portion 130 connected to the needle portion 120 and the first wire portion 145 connected to the handle portion 130 are connected to the fixing member 153 . In addition, the terminal portion 159 connected to the main body wire 141 and the second wire portion 146 connected to the terminal portion 159 are connected to the rotating member 155 . Therefore, even if the handle portion 130 and the needle portion 120 rotates during the procedure, the second wire portion 146 , the terminal portion 159 and the main body wire 141 may not rotate. As a result, even when the handle unit 130 rotates, the main body wire 141 is not twisted, and a safety accident caused by the twisting of the second electric wire unit 146 and the main body electric wire 141 can be prevented.

On the other hand, the second wire portion 146 and the main body wire 141 are integrated, also referred to as a "wire".

Hereinafter, the use of the electric treatment apparatus 200 according to another embodiment of the present invention will be described with reference to FIGS. 9A to 9D . 9A to 9D are perspective views illustrating a state of use of the electric treatment apparatus according to an embodiment of the present invention.

As shown in Figure 9a, after inserting the trocar 60 into the inside of the cannula 50, as shown in Figure 9b, the cannula 50 and the trocar 60 together with the treatment object insert into At this time, since the upper end of the trocar 60 is sharply formed and exposed to the outside of the upper end of the cannula 50 , the cannula 50 can be easily inserted into the object to be treated by the trocar 60 .

When the cannula 50 and the trocar 60 are inserted into the desired site of the object to be treated, the trocar 60 is removed from the cannula 50 as shown in FIG. 9c, and a medical needle according to an embodiment of the present invention The needle part 120 of the assembly 100 is inserted into the cannula 50 .

Next, when the cap 52 of the cannula 50 is inserted into the inside of the second cap 135 , the needle part 120 is mounted in the cannula 50 as shown in FIG. 9D . The second cap 135 and the cap 52 of the cannula 50 are detachably coupled, and for this purpose, the inner circumferential surface of the second cap 135 and the outer circumferential surface of the cap 52 of the cannula 50 are mutually engaged with threads. can be formed. One end of the needle part 120 shown in Figure 9d is exposed to the outside of the cannula 50 and is located in the affected part.

Next, while holding the handle 130 and the first cap 131 , the first cap 131 is linearly moved in the front-back direction or left-right direction, or the affected part is treated with the needle part 120 while rotating. At this time, since the first cap 131 and the second cap 135 are rotatably coupled to each other, the first cap 131 and the needle part 120 move together, but the second cap 131 does not move. .

And, when the first cap 131 rotates, the first wire part 145 also rotates together with the first cap 131, and the rotation member ( 155) also rotates. However, since the second electric wire part 146 and the main electric wire 141 connected to the fixing member 153 do not rotate, the main electric wire 141 is prevented from being twisted. Therefore, regardless of the intention of the operator, a safety accident that may occur due to the twisting of the main body wire 141 can be prevented.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of Therefore, the scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

110: body 120: needle part
121: first electrode 125: second electrode
130: handle 131: first cap
135: second cap 141: main body wire
145: first wire portion 146: second wire portion
150: anti-twist module 151: housing
153: fixing member 153c, 153d: substrate
155: rotating member 159: terminal part
160: tube
L1, L2, L3, L4, L5, L6: Subline
W1, W2, W3, W4, W5, W6: wire
P1, P2, P3, P4, P5, P6: Ring terminal
S1, S2, S3, S4, S5, S6: auxiliary line

Claims (15)

a needle portion having a first electrode and a second electrode;
a handle part connected to the needle part;
a first electric wire connected to the handle and having two or more sub-lines;
a twist prevention module connected to the first wire part; and
It includes; a terminal unit connected to the twist prevention module;
The anti-twist module,
a fixing member having an accommodating space therein; and
and a rotating member rotatably accommodated in the receiving space of the fixing member.
The fixing member is
a board connected to the terminal unit; and
Includes; at least two wires drawn from the substrate toward the fixing member;
The rotating member is
cylindrical body; and
and two or more annular terminals disposed on the outer circumferential surface of the cylindrical body and spaced apart from each other;
Each of the two or more annular terminals spaced apart from each other is in friction contact with each of the two or more wires independently,
The two or more sub-lines of the first wire part are respectively connected to the two or more annular terminals inside the cylindrical body,
The handle part
a first cap disposed between the first wire part and the needle part, and connecting the first wire part and the needle part; and
Including; a second cap rotatably coupled to the first cap;
Each end of the two or more sub-lines is fixed to the two or more annular terminals, a medical needle assembly. delete According to claim 1,
Medical needle assembly, further comprising a second wire portion for connecting the twist prevention module and the terminal portion. 4. The method of claim 3,
The second wire unit comprising two or more auxiliary lines connecting the board and the terminal unit, a medical needle assembly. 5. The method of claim 4,
The two or more auxiliary lines are each connected to the two or more wires, a medical needle assembly. According to claim 1, wherein the needle portion,
the linear first electrode;
a cylindrical insulating layer surrounding the first electrode; and
the second electrode having a cylindrical shape surrounding the insulating layer;
Including, a medical needle assembly. 7. The method of claim 6,
One end of the first electrode protrudes from the second electrode, a medical needle assembly. 8. The method of claim 7,
A medical needle assembly having a curved shape at one end of the first electrode protruding from the second electrode. According to claim 1, wherein the first cap,
connecting some of the two or more sub-lines and the first electrode,
A medical needle assembly for connecting the second electrode to another part of the two or more sub-lines. According to claim 1, wherein the first cap,
body;
a support pipe extending from the body, passing through the second cap, and accommodating at least a portion of the needle part; and
a first locking frame protruding from the outer circumferential surface of the support tube and caught on the second cap;
Including, a medical needle assembly. 11. The method of claim 10, wherein the second cap,
a cylinder-shaped body with open upper and lower surfaces; and
a second locking frame protruding from the inner circumferential surface of the body portion and caught on the first locking frame of the first cap;
Including, a medical needle assembly. According to claim 1,
wherein the second cap has a cannula anchorage. According to claim 1,
A medical needle assembly, further comprising a cannula secured between the first cap and the second cap. 14. The method of claim 13,
The cannula has a tube shape,
The needle part may be inserted into the cannula,
When the needle part is inserted into the cannula, one end of the needle part is exposed from the cannula. a body for applying a high-frequency signal;
A medical needle assembly according to any one of claims 1 to 14, which generates a high frequency using the high frequency signal applied from the main body; and
and a body wire connecting the body and the medical needle assembly.
The main body wire is connected to the twist prevention module through the terminal part,
The first wire part and the main body wire rotate independently of each other,
electric treatment device.

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