CN112057740A

CN112057740A - Ear vagus nerve stimulator

Info

Publication number: CN112057740A
Application number: CN202010999501.0A
Authority: CN
Inventors: 张华�
Original assignee: Changzhou Second Peoples Hospital
Current assignee: Changzhou Second Peoples Hospital
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-11
Anticipated expiration: 2040-09-22
Also published as: CN112057740B

Abstract

The invention provides an auricular vagus nerve stimulator, wherein an electrode part of the auricular vagus nerve stimulator comprises an earplug electrode, an auricle electrode and a seat body; the pedestal includes the fixing base and rotates the seat, the two coincidence zone periphery forms cyclic annular cell body, it is inboard that the seat is located the fixing base at the coincidence zone to rotate, cylinder structure and the coaxial setting of cylinder cavity, electrically conductive earplug installation one end is located the cylinder cavity outside, form the annular region and inlay after auricle electrode first part and the butt joint of second part and establish in the annular groove, inboard fixture block passes through the fixing base embedding and rotates the annular mounting groove on the seat in, electrically conductive auricle is installed in first part and second portion tip, it passes through threaded connection with the cylinder structure to rotate the seat, the inside guide structure to the cylinder structure that has of fixing base. According to the invention, the relative length and the relative angle between the earplug electrode and the auricle electrode can be finely adjusted, the earplug electrode is driven to be telescopically adjusted relative to the fixed seat through the rotation of the rotating seat, and the auricle electrode can integrally rotate relative to the fixed seat.

Description

Ear vagus nerve stimulator

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auricular vagus nerve stimulator.

Background

In the prior art, the ear vagus nerve stimulator generally comprises a main unit and an electrode unit, wherein the main unit comprises a housing, a power supply, an electrical stimulation generating circuit and an operation display unit, and the electrode unit is a special electrode for implementing the electrical stimulation of the acupuncture point at the ear A, B of the ear vagus nerve stimulator, and the design form and performance of the electrode unit directly influence the use effect. The existing electrode part has unchangeable action point position and poor use flexibility, and can not be adaptively adjusted according to the optimal comfortable shape of the user aiming at the user with slight differences in body shape.

In view of the above problems, the designer is based on the practical experience and professional knowledge of many years of design and manufacture of such products, and is actively researched and innovated in cooperation with the application of theory, so as to create an auricular vagus nerve stimulator, which is more practical.

Disclosure of Invention

The present invention provides an auricular vagus nerve stimulator, which effectively solves the problems of the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

an ear vagus nerve stimulator comprises a host and an electrode part, wherein the host controls the electrode part, and the electrode part comprises an earplug electrode, an auricle electrode and a seat body;

the earplug electrode comprises a cylinder structure, a conductive earplug and a conductive rod body, the conductive earplug is arranged at the end part of the cylinder structure, and the conductive rod body is embedded into the cylinder structure and the conductive earplug;

the base body comprises a fixed base and a rotating base, the fixed base and the rotating base are connected in a butt joint mode to form a cylindrical cavity, an annular overlapping area is formed at the connecting position, an annular groove body is formed at the periphery of the overlapping area, the rotating base is located on the inner side of the fixed base in the overlapping area, the cylindrical structure and the cylindrical cavity are arranged coaxially, one end, installed on the conductive earplug, is located outside the cylindrical cavity, and the other end of the conductive earplug is located in the cylindrical cavity;

the auricle electrode comprises a first part, a second part, a conductive auricle and a conductor, wherein the first part and the second part are butted to form an annular region, the annular region is embedded in the annular groove, a clamping block is arranged on the inner side of the annular region, the clamping block penetrates through a fixed seat of the overlapped part and is embedded in an annular mounting groove on the rotating seat, the penetrating position allows the first part and the second part to rotate around the axis of the annular region, the conductive auricle is mounted at the end parts of the first part and the second part, and the conductor is embedded in the first part and the second part and is in conduction connection with the conductive auricle;

the rotating seat is connected with the cylinder structure through threads, and a guide structure for guiding the cylinder structure in the axial direction is arranged in the fixed seat.

Furthermore, one end of the conductive rod body, which is positioned in the cylindrical cavity, is communicated with a lead, and the lead is led out through the side wall of the cylindrical cavity.

Further, the conductor includes a metal terminal and a wire harness connected to the metal terminal, both embedded within the first portion or the second portion; the side wall of the mounting groove is provided with a metal ring body around the circumferential direction of the mounting groove, the metal ring body is connected with the host through a wire, and the metal end is always attached to the metal ring body.

Further, the first part is rotatably connected to the second part about an axis parallel to the cylinder axis.

Further, a first sealing ring is arranged in the mounting groove, and the first sealing ring is attached to the other side, parallel to the mounting side of the metal ring body, in the mounting groove.

Furthermore, a second sealing ring is arranged in the mounting groove, and the second sealing ring and the metal ring body are arranged on the same side and are sleeved on the periphery of the metal ring body.

Furthermore, the guide structure comprises a guide belt positioned on the inner wall of the fixed seat and a guide block arranged on the outer wall of the column structure, and the guide block moves linearly under the guidance of the guide belt.

Further, the end part of the guide belt is attached to the end part of the rotating seat.

Further, the inner diameter of the metal ring body is larger than the outer diameter of the mounting groove body.

Further, supply on the pedestal be provided with the seal groove on the inner wall in the hole that the cylinder structure runs through, be provided with in the seal groove with the sealing ring of cylinder structure laminating.

Through the technical scheme of the invention, the following technical effects can be realized:

according to the ear vagus nerve stimulator, the relative length and the relative angle between the ear plug electrode and the auricle electrode can be finely adjusted, the ear plug electrode is driven to stretch and retract relative to the fixed seat through the rotation of the rotating seat, the auricle electrode can integrally rotate relative to the fixed seat, and the ear vagus nerve stimulator can be effectively adjusted according to the slight difference of a human body through the mode, so that the comfort degree of different people is improved in the using process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an auricular vagus nerve stimulator;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view of an auricular vagus nerve stimulator;

FIG. 4 is a schematic view of FIG. 3 with auricle electrodes omitted;

FIG. 5 is a schematic view of the earplug electrode;

FIG. 6 is a schematic structural view of the fixing base;

FIG. 7 is a schematic structural view of the rotary seat (including a partial enlarged view of the installation groove and the metal ring body);

FIG. 8 is a schematic view of the combination of the first and second portions;

FIG. 9 is a schematic view of the structure of the first part;

FIG. 10 is a schematic view of the earplug electrode through fixture;

reference numerals: 1. an ear bud electrode; 11. a cylindrical structure; 12. a conductive ear bud; 13. a conductive rod body; 14. a wire; 2. an auricle electrode; 21. a first portion; 22. a second portion; 23. a conductive auricle; 24. a conductor; 241. a metal terminal; 242. a wire harness; 25. a clamping block; 26. mounting grooves; 3. a base body; 31. a fixed seat; 32. a rotating seat; 321. a metal ring body; 33. a cylindrical cavity; 34. an annular tank body; 35. and a guide structure.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 10, an auricular vagus nerve stimulator includes a main unit and an electrode unit, wherein the main unit controls the electrode unit, and the electrode unit includes an earplug electrode 1, an auricle electrode 2 and a base body 3; the earplug electrode 1 comprises a cylinder structure 11, a conductive earplug 12 and a conductive rod body 13, wherein the conductive earplug 12 is arranged at the end part of the cylinder structure 11, and the conductive rod body 13 is embedded in the cylinder structure 11 and the conductive earplug 12; the base body 3 comprises a fixed base 31 and a rotating base 32, the fixed base and the rotating base are connected in a butt joint mode to form a cylindrical cavity 33, an annular overlapping area is formed at the connection position, an annular groove body 34 is formed at the periphery of the overlapping area, the rotating base 32 is located on the inner side of the fixed base 31 in the overlapping area, the cylindrical structure 11 and the cylindrical cavity 33 are coaxially arranged, one end, installed, of the conductive earplug 12 is located outside the cylindrical cavity 33, and the other end of the conductive earplug is located in the cylindrical cavity; the auricle electrode 2 comprises a first part 21, a second part 22, a conductive auricle 23 and a conductor 24, wherein the first part 21 and the second part 22 are butted to form an annular region, the annular region is embedded in an annular groove 34, a clamping block 25 is arranged on the inner side of the annular region, the clamping block 25 penetrates through a fixed seat 31 of the overlapped part and is embedded in an annular installation groove 26 on a rotating seat 32, the penetrating position allows the first part 21 and the second part 22 to rotate around the axis of the annular region, the conductive auricle 23 is installed at the end parts of the first part 21 and the second part 22, and the conductor 24 is embedded in the first part 21 and the second part 22 and is in conductive connection with the conductive auricle 23; the rotating seat 32 is connected with the cylindrical structure 11 through a thread, and a guide structure 35 for guiding the cylindrical structure 11 along the axial direction is arranged inside the fixed seat 31.

The invention aims to provide an auricular vagus nerve stimulator which can be finely adjusted according to the relative length and the relative angle between an earplug electrode 1 and a pinna electrode 2, and the specific adjustment process is as follows:

in this embodiment, taking the example that the column structure 11 penetrates the fixing base 31, the relative length adjustment process between the ear plug electrode 1 and the auricle electrode 2 is as follows: an operator holds the fixed seat 31 by one hand and rotates the rotating seat 32 by the other hand, the mounting groove 26 on the rotating seat 32 prevents the rotating seat 32 from moving axially under the limitation of the clamping block 25, in the rotating process, a screw rod assembly form is formed between the screw thread connection form and the column structure 11, the column structure 11 can move only along a straight line under the limitation of the guide structure 35 in the fixed seat 31, so that telescopic adjustment is realized, in the above process, the position of the auricle electrode 2 is unchanged, so that the adjustment of the relative length between the earplug electrode 1 and the auricle electrode 2 is realized, and the specific extension and retraction can be realized through the difference of the rotating directions.

The relative angle of the earplug electrode 1 relative to the auricle electrode 2 is adjusted as follows: the whole auricle electrode 2 is fixed by embedding the inner annular area of the auricle electrode in the annular groove 34, as shown in the area A in fig. 4, the side wall of the annular groove 34 forms a clamping function to limit the axial movement of the auricle electrode 2, but the penetrating position allows the first part 21 and the second part 22 to rotate around the axis of the annular area, particularly by enlarging the penetrating hole, so that the auricle electrode 2 can rotate relative to the earplug electrode 1 by properly rotating the auricle electrode 2, and the relative fixed relation between the rotating seat 32 and the fixed seat 31 is not influenced in the rotating process.

By the mode, the ear vagus nerve stimulator can effectively adjust the nuance of the human body, so that the comfort level of different people is improved in the using process. In addition to the above embodiments, the present invention also includes an embodiment in which the cylinder structure 11 penetrates through the rotating base 32, and the adjustment manner is the same, and the same technical effect is achieved, and therefore, the present invention is within the protection scope of the present invention.

Preferably, the conductive rod 13 is located in the cylindrical cavity 33, and one end of the conductive rod is communicated with the lead 14, and the lead 14 is led out through the side wall of the cylindrical cavity 33. As shown in fig. 3 and 4, the wire 14 is led out through the rotating base 32, and is connected with the host through the wire 14, so as to supply power to the conductive earplug 12 through the conductive rod body 13, in this embodiment, the rotating base 32 rotates to drive the leading end of the wire 14 to change in angle, but because the difference between human bodies is small, the change in this degree does not affect the final use.

Wherein the conductor 24 includes a metal terminal 241 and a wire harness 242 connected to the metal terminal 241, both of which are embedded in the first portion 21 or the second portion 22; the side wall of the mounting groove 26 is provided with a metal ring 321 around the circumferential direction of the mounting groove 26, the metal ring 321 is connected with the host through another wire 14, and the metal end 241 and the metal ring 321 are always attached.

In the specific implementation process, the wire 14 connected to the metal ring 321 may penetrate through the sidewall of the base 3 to avoid interference with the internal structure of the cylindrical cavity 33, so as to be merged with the wire 14 connected to the conductive rod 13 and then be led out to the host, as shown in fig. 4, taking the case where the metal ring 321 is disposed on the rotating base 32 in the above embodiment, the sidewall of the mounting groove 26 may be kept flat by being embedded, in the specific implementation process, the wire may be routed by penetrating through the through hole of the sidewall of the rotating base 32 and being communicated with the hole site of the cylindrical cavity 33 through which the wire 14 of the conductive rod 13 penetrates, and the metal end 241 is always attached to the metal ring 321 to conduct electricity in the rotating process, thereby ensuring effective conduction of the circuit in the position adjustment process.

Preferably, the first portion 21 is connected to the second portion 22 in rotation about an axis parallel to the axis of the cylindrical cavity 33, as shown at the bottom of fig. 8, in such a way as to ensure the integrity of the two.

In order to ensure the sealing performance of the whole stimulator, a first sealing ring is arranged in the mounting groove 26, and the first sealing ring is attached to the other side, parallel to the mounting side of the metal ring body 321, in the mounting groove 26, so that on one hand, extrusion force is provided for the auricle electrode 2 by elastic extrusion, the metal ring body 321 is effectively attached to the metal end 241, and on the other hand, sealing is realized, and dust is prevented from entering the mounting groove 26; a second sealing ring is arranged in the mounting groove 26, is arranged on the same side as the metal ring body 321, and is sleeved on the periphery of the metal ring body 321, so that the influence on the contact surface between the metal ring body 321 and the metal end 241 due to the entering of foreign objects is avoided; be provided with the seal groove on the inner wall in the hole that supplies cylinder structure 11 to run through on the pedestal 3, be provided with the sealing ring with the laminating of cylinder structure 11 in the seal groove to play sealed effect, avoid the dust to get into in the cylinder cavity 33.

Preferably, the guiding structure 35 includes a guiding strip located on the inner wall of the fixing seat 31, and a guiding block mounted on the outer wall of the column structure 11, and the guiding block moves linearly under the guidance of the guiding strip, which is a more conventional guiding form, and is easy to implement and accurate in guiding. Wherein, the guidance tape tip laminates with rotating seat 32 tip to play better positioning effect, rotate seat 32 tip and also can restrict the extreme position of column structure 11 motion.

In order to ensure the conductive effect, the inner diameter of the metal ring body 321 is larger than the outer diameter of the groove body 26, so that the metal ring body 321 is prevented from being shielded and extruded to influence the conductive effect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ear vagus nerve stimulator comprises a host and an electrode part, wherein the host controls the electrode part, and is characterized in that the electrode part comprises an earplug electrode (1), an auricle electrode (2) and a seat body (3);

the earplug electrode (1) comprises a cylinder structure (11), a conductive earplug (12) and a conductive rod body (13), wherein the conductive earplug (12) is arranged at the end part of the cylinder structure (11), and the conductive rod body (13) is embedded into the cylinder structure (11) and the conductive earplug (12);

the base body (3) comprises a fixed base (31) and a rotating base (32), the fixed base and the rotating base are in butt joint to form a cylindrical cavity (33), a joint forms an annular overlapping area, an annular groove body (34) is formed at the periphery of the overlapping area, the rotating base (32) is positioned on the inner side of the fixed base (31) in the overlapping area, the cylinder structure (11) and the cylindrical cavity (33) are coaxially arranged, one end of the conductive earplug (12) is positioned outside the cylindrical cavity (33), and the other end of the conductive earplug is positioned in the cylindrical cavity (33);

the pinna electrode (2) comprises a first portion (21), a second portion (22), a conductive pinna (23), and a conductor (24), the first part (21) and the second part (22) are butted to form an annular area which is embedded in the annular groove body (34), a clamping block (25) is arranged on the inner side of the annular area, the clamping block (25) penetrates through the fixed seat (31) of the overlapped part, and is inserted in an annular mounting groove (26) of the rotating seat (32), the through position allowing the first part (21) and the second part (22) to rotate around the axis of the annular area, the conductive auricles (23) are arranged at the ends of the first part (21) and the second part (22), the conductor (24) is embedded in the first part (21) and the second part (22) and is in conductive connection with the conductive auricle (23);

the rotating seat (32) is connected with the cylinder structure (11) through threads, and a guide structure (35) for axially guiding the cylinder structure (11) is arranged in the fixed seat (31).

2. The auricular vagus nerve stimulator according to claim 1, wherein an end of the rod body (13) inside the cylindrical cavity (33) is in communication with a lead (14), the lead (14) being led out through a side wall of the cylindrical cavity (33).

3. The auricular vagus nerve stimulator according to claim 1, wherein the conductor (24) comprises a metallic tip (241) and a wiring harness (242) connected to the metallic tip (241), both embedded within the first portion (21) or the second portion (22); the side wall of the mounting groove (26) is provided with a metal ring body (321) around the circumferential direction of the mounting groove (26), the metal ring body (321) is connected with the host through a wire (14), and the metal end (241) and the metal ring body (321) are always attached.

4. The auricular vagus nerve stimulator according to any one of claims 1 to 3, wherein the first portion (21) and the second portion (22) are rotatably connected about an axis parallel to the axis of the cylindrical cavity (33).

5. The auricular vagus nerve stimulator according to claim 3, wherein a first sealing ring is disposed in the mounting groove (26), and the first sealing ring is attached to the other side of the mounting groove (26) parallel to the side where the metal ring (321) is mounted.

6. The auricular vagus nerve stimulator according to claim 3 or 5, wherein a second sealing ring is disposed in the mounting groove (26), and the second sealing ring is disposed on the same side as the metal ring body (321) and sleeved on the periphery of the metal ring body (321).

7. The auricular vagus nerve stimulator according to claim 1, wherein the guide structure (35) comprises a guide band located on an inner wall of the fixing base (31), and a guide block mounted on an outer wall of the cylindrical structure (11), the guide block being linearly moved under the guidance of the guide band.

8. The auricular vagus nerve stimulator according to claim 7, wherein the end of the guide band abuts the end of the rotating hub (32).

9. The auricular vagus nerve stimulator according to claim 3, wherein an inner diameter of the metal ring body (321) is greater than an outer diameter of the body of the mounting groove (26).

10. The auricular vagus nerve stimulator according to claim 1, wherein a sealing groove is formed on an inner wall of a hole of the seat body (3) through which the cylinder structure (11) passes, and a sealing ring attached to the cylinder structure (11) is arranged in the sealing groove.