An intracavity electrode

Abstract

The utility model relates to the technical field of medical devices, and discloses an intracavitary electrode, which is used for monitoring muscles and nerves in the anus or vagina during pelvic or abdominal surgery, and includes a plurality of electrodes and a head frame for supporting the electrodes; a connector fixed end and a tail frame for accommodating the connector fixed end; and a lead wire, one end of the lead wire is connected to the free end of the connector; wherein the plurality of electrodes are respectively connected to the connector fixed end through a wire, and the head frame is connected to the tail frame, and when the free end of the connector is inserted into the connector fixed end, the intracavitary electrode can be connected to devices of different specifications through the other end of the lead wire. The utility model has the effect of realizing the simultaneous use of muscle stimulation and muscle signal acquisition, and has the effect that the intracavitary electrode can be connected to devices of different specifications through the lead wire.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an intracavity electrode used for monitoring muscles and nerves at the anus or vagina during pelvic or abdominal surgery. Background Art

[0002] During pelvic or abdominal surgery, the muscles and nerves in the anus or vagina need to be monitored by inserting intracavitary electrodes into the anus. The electromyographic signals in the anus are transmitted to the biofeedback device or nerve monitor through the electrodes and recorded, and then fed back to the medical staff in real time to facilitate the doctor's surgical operation.

[0003] Defects and shortcomings of the existing technology:

[0004] 1. Existing intracavitary electrodes generally have only two or three electrode rings, which cannot allow the muscle stimulation electrode ring and the signal collection electrode ring to be used at the same time and can only be used to switch between them;

[0005] 2. Existing intracavitary electrodes are all integrated with the lead wire, which limits their use to a certain device and cannot be matched with devices of different specifications. In terms of cleaning and disinfection, because they are integrated with the lead wire, they occupy a large space, are inconvenient to disinfect, and are inconvenient to carry;

[0006] 3. The limit groove on the existing in-cavity electric limit tailstock is easy to hide dirt and difficult to clean. Utility Model Content

[0007] The purpose of the utility model is to provide an intracavity electrode to solve the problems raised in the above background technology.

[0008] In order to solve the above technical problems, the basic technical idea of ​​the utility model is: to design an electrode skeleton, to bring together the common end electrode, muscle stimulation electrode and muscle signal collection electrode through the internal skeleton structure, so as to realize the functions of simultaneous use of muscle stimulation and muscle signal collection; and to integrate the fixed end of the electrical connector at the tail of the skeleton, and connect the free end of the electrical connector to the lead wire, so that the intracavity electrode can be connected to devices of different specifications through the lead wire.

[0009] Specifically, the intracavitary electrode discloses the following scheme: it includes a plurality of electrodes and a head frame for supporting the electrodes; the supporting function of the head frame can be used to gather multiple electrode rings, thereby realizing multiple functions operating simultaneously, so as to facilitate the real-time collection of anal signals during surgery.

[0010] Preferably, the intracavitary electrode further comprises a connector fixing end and a tail frame for accommodating the connector fixing end, that is, the connector fixing end is supported by the tail frame.

[0011] Preferably, the electrodes are respectively connected to the fixed end of the connector via wires, and the head frame and the tail frame are fixedly connected.

[0012] Preferably, the intracavitary electrode also includes a lead wire, one end of which is connected to a free end of a connector. When the free end of the connector is inserted into the fixed end of the connector, each electrode ring can be electrically connected to the lead wire, and the intracavitary electrode can be connected to a biofeedback device, a nerve monitor and other equipment through the other end of the lead wire. When it is necessary to adapt to equipment of multiple specifications, it is only necessary to prepare lead wires of different specifications and adapt the other end of the lead wire to the equipment of the corresponding specification.

[0013] Preferably, the plurality of electrodes include a plurality of electrode rings, which are sequentially sleeved on a head frame extending in a rod shape. The plurality of electrodes can be sequentially arranged and supported by using the ring-shaped electrodes and the rod-shaped head frame.

[0014] Preferably, the head frame is provided with step-shaped limiting steps along its extension direction, which are respectively used to stop a plurality of electrode rings, and the limiting steps can prevent assembly errors of the electrode rings.

[0015] Preferably, the plurality of electrode rings include at least one muscle stimulation electrode ring and at least one signal collection electrode ring, wherein the muscle stimulation electrode rings are not adjacent to each other, that is, at least one signal collection electrode ring is arranged between each pair of muscle stimulation electrode rings, so that the muscle stimulation electrode rings are distributed at different positions of the anus, and the electromyographic data of different positions of the anorectum are captured separately.

[0016] Preferably, the plurality of electrodes further include a columnar electrode, which is installed in an electrode seat provided on the head frame as an anti-interference electrode to give the device an anti-interference effect.

[0017] Preferably, a wire groove is formed on the head frame along its extension direction, and the wires connected to each electrode are placed in the wire groove, that is, the wire groove manages the wires to prevent them from being entangled with each other, and now also serves as a fluid drainage groove during the subsequent injection molding of the shell, so that the shell can be overmolded.

[0018] Preferably, a wire hole is opened on the tail frame to connect the inside and outside of the tail frame. Each wire goes along the wire groove, passes through the wire hole, enters the tail frame and is connected to the fixed end of the connector. That is, the wire guided and sorted by the wire groove can be placed in the tail frame through the wire hole to achieve connection with the fixed end of the connector.

[0019] Preferably, the head frame and the tail frame are integrally formed with a shell, and the shell formed by the shell plays a waterproof role.

[0020] Preferably, one end of the housing close to the tail frame is open, and the open end exposes the fixed end of the connector to facilitate the connection between the fixed end of the connector and the free end of the connector.

[0021] Preferably, the intracavity electrode has a plug which can seal the open end, and the plug plays a waterproof role during the disinfectant water immersion treatment and plays a dustproof role in normal times.

[0022] Preferably, a toothed body is provided on the outer wall surface of the shell along its extension direction, an annular stopper is sleeved on the shell, and an elastic buckle engaged with the toothed body is provided on the inner wall of the annular stopper, the elastic buckle engages with the toothed body, and the annular stopper is relatively fixed to the shell, so that the intracavitary electrode is not easy to loosen and slide out when inserted into the anus, thereby playing a stopping role; the elastic effect of the elastic buckle can also be used to adjust the position of the annular stopper, and after adjustment, it is engaged with the toothed body. The shape characteristics of the adjustment structure make it easy to clean and not easy to hide stains. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is an exploded view of the electrode and the frame in the embodiment of the utility model;

[0025] Figure 2 It is an assembly diagram of the electrode and the skeleton in the embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the lead wire in the embodiment of the utility model;

[0027] Figure 4 It is a schematic structural diagram of the housing in the figure in the embodiment of the utility model;

[0028] In the figure:

[0029] Electrode 1, electrode ring 11, muscle stimulation electrode ring 111, signal collection electrode ring 112, columnar electrode 12, second annular stopper 121;

[0030] Head frame 2, head frame upper shell a, head frame lower shell a', cylindrical groove 21, limiting step 22, electrode seat 23, first annular stop 231, wire groove 24;

[0031] Connector fixed end 3;

[0032] Tail frame 4, tail frame upper shell b, tail frame lower shell b', connecting column 41, wire hole 42;

[0033] Lead wire 5, plug 51;

[0034] Connector free end 6;

[0035] Wire 7;

[0036] Shell 8, toothed body 81;

[0037] Plug 9;

[0038] Ring stop 10, elastic buckle 101. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] Embodiment: This embodiment provides an optimal implementation scheme of an intracavity electrode, specifically an intracavity electrode.

[0041] Specifically, Figure 1~2 The intracavity electrode includes: an electrode 1 and a head frame 2 for supporting the electrode 1; a connector fixing end 3 and a tail frame 4 for accommodating the connector fixing end 3; and Figure 3 The lead wire 5 shown in , one end of the lead wire 5 is connected to a connector free end 6;

[0042] Among them, Figure 2 , several electrodes 1 are connected to the connector fixed end 3 through wires 7, and the head frame 2 is connected to the tail frame 4. When the connector free end 6 is inserted into the connector fixed end 3, the intracavitary electrode can be connected to devices of different specifications through the other end of the lead wire 5.

[0043] In this embodiment, if Figure 2 The head frame 2 is an extended rod-shaped structure as a whole, and a teardrop-shaped head is integrally formed at one end thereof, and the head frame 2 is divided into two parts by the plane where the axis thereof is located, namely, an upper shell a of the head frame and a lower shell a' of the head frame connected to each other by snapping, and when the two are snapped to each other, the end of the head frame 2 close to the teardrop-shaped head is in a closed state, and the interior is a cavity with reinforcing ribs, and the end away from the teardrop-shaped head forms an open cylindrical groove 21;

[0044] like Figure 2The tail frame 4 is also an overall extended rod-shaped structure. The tail frame 4 is divided into two parts by the plane where the axis thereof is located, namely, the tail frame upper shell b and the tail frame lower shell b' which are mutually snap-connected. When the two are snap-connected, the end of the tail frame 4 connected to the head frame 2 is in a closed state, and the upper shell b of the tail frame is protruding to form a connecting column 41 which is inserted into the cylindrical groove 21 and is tightly matched with the cylindrical groove 21. The interior of the tail frame 4 is a cavity with reinforcing ribs in the cavity. The end away from the connecting column 41 is open so that the free end 6 of the connector can be inserted into the fixed end 3 of the connector in the cavity through the opening.

[0045] The connector is an M6 five-core connector, and its specific structure is prior art and will not be described in detail here.

[0046] like Figure 2 In this embodiment, the electrode 1 includes four electrode rings 11, which are sequentially sleeved on the rod-shaped structure of the head frame 2, so that the head frame 2 supports the four electrode rings 11;

[0047] In this embodiment, if Figure 2 Four step-shaped limiting steps 22 are formed on the head frame 2 along its extension direction, which are used to block the four electrode rings 11 respectively. The step-shaped limiting steps 22 make the rod-shaped structure of the head frame 2 gradually narrow in the direction pointing to the tail frame 4, so that the four electrode rings 11 can be inserted into the head frame 2 in sequence.

[0048] In this embodiment, if Figure 2 The four electrode rings 11 include two muscle stimulation electrode rings 111 and two signal collection electrode rings 112, wherein the two signal collection electrode rings 112 are arranged between the two muscle stimulation electrode rings 111, so that the two muscle stimulation electrode rings 111 can act at different positions of the anus.

[0049] In this embodiment, if Figure 2 The electrode 1 also includes a columnar electrode 12, which is installed in an electrode seat 23 opened on the head frame 2; specifically, the electrode seat 23 is formed on the teardrop-shaped head of the head frame 2, and is a through hole that penetrates the teardrop-shaped head. The through hole has a first annular stopper 231, and the columnar electrode 12 has a second annular stopper 121 corresponding to the first annular stopper 231, so that the columnar electrode 12 is limited when it is placed in the through hole.

[0050] In this embodiment, if Figure 2 , the columnar electrode 12 is the anti-interference electrode 1.

[0051] In this embodiment, if Figure 2A wire groove 24 is formed on the head frame 2 along its extension direction. The wire groove 24 is specifically opened on the upper shell a of the head frame. The wires 7 connected to each electrode 1 are placed in the wire groove 24.

[0052] Among them, Figure 2 One end of the wire groove 24 extends to communicate with the electrode seat 23, so that the wire 7 on the columnar electrode 12 can extend into the wire groove 24, and the other end of the wire groove 24 extends to connect with the end of the head frame upper shell a, so that all the wires 7 can be smoothly extended through the head frame upper shell a to the tail frame upper shell b; in order to facilitate the arrangement of the four electrode rings 11, the wires 7 are all passed through the inside of the electrode ring 11.

[0053] In this embodiment, if Figure 2 A wire hole 42 is provided on the tail frame 4 to connect the inside and outside of the tail frame 4. The wire hole 42 is specifically provided on the upper shell b of the tail frame, so that each wire 7 can go along the wire groove 24, pass through the wire hole 42, enter the tail frame 4 and connect with the fixed end 3 of the connector.

[0054] In this embodiment, the integrally formed coating on the head frame 2 and the tail frame 4 is as follows: Figure 4 The shell 8 shown has an open end near the tail frame 4, the open end exposes the connector fixing end 3, and the intracavity electrode has a plug 9 that can close the open end.

[0055] In this embodiment, if Figure 4 A toothed body 81 is provided on the outer wall surface of the shell 8 along its extension direction, an annular stopper 10 is sleeved on the shell 8, and an elastic buckle 101 engaged with the toothed body 81 is provided on the inner wall of the annular stopper 10. Specifically, the annular stopper 10 is made of elastic material, and the elastic buckle 101 is also a toothed structure, which itself is elastic and can engage with different positions of the toothed body 81 as the annular stopper 10 is displaced.

[0056] In this embodiment, if Figure 3 The end of the lead wire 5 away from the connector free end 6 can be connected to different plugs 51 according to devices of different specifications.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An intracavity electrode, characterized in that: include: A plurality of electrodes and a head frame for supporting the electrodes; and a connector fixing end and a tail frame for accommodating the connector fixing end; and a lead wire, one end of which is connected to a free end of a connector; Among them, several of the electrodes are connected to the fixed end of the connector through wires, and the head frame and the tail frame are connected. When the free end of the connector is inserted into the fixed end of the connector, the intracavitary electrode can be connected to devices of different specifications through the other end of the lead wire.

2. An intracavity electrode according to claim 1, characterized in that: The electrodes include a plurality of electrode rings, and the electrode rings are sequentially sleeved on the head frame extending in a rod shape.

3. An intracavity electrode according to claim 2, characterized in that: The head frame is provided with step-shaped limiting steps along its extension direction, which are respectively used to stop the plurality of electrode rings.

4. The intracavity electrode according to claim 2, characterized in that: The plurality of electrode rings include at least one muscle stimulation electrode ring and at least one signal collection electrode ring, wherein the muscle stimulation electrode rings are not adjacent to each other.

5. The intracavity electrode according to claim 1, characterized in that: Some of the electrodes also include columnar electrodes, which are installed in electrode seats opened on the head frame.

6. An intracavity electrode according to claim 5, characterized in that: The columnar electrode is an anti-interference electrode.

7. An intracavity electrode according to any one of claims 1 to 6, characterized in that: A wire groove is formed on the head frame along its extension direction, and the wires connected to each electrode are placed in the wire groove.

8. An intracavity electrode according to claim 7, characterized in that: The tail frame is provided with a wire hole for connecting the inside and outside of the tail frame. Each of the wires goes along the wire groove, passes through the wire hole, enters the tail frame, and is connected with the fixed end of the connector.

9. An intracavity electrode according to any one of claims 1 to 6, characterized in that: The head frame and the tail frame are integrally formed with a shell, one end of the shell close to the tail frame is open, the open end exposes the connector fixed end, and the intracavity electrode has a plug that can close the open end.

10. An intracavity electrode according to claim 9, characterized in that: A toothed body is arranged on the outer wall surface of the shell along the extension direction thereof, an annular stopper is sleeved on the shell, and an elastic buckle engaged with the toothed body is arranged on the inner wall of the annular stopper.

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