阅读说明：本技术 电极连接密封装置 (Electrode connection sealing device ) 是由 包红锋 于 2021-01-07 设计创作，主要内容包括：本发明涉及医疗器械的技术领域,尤其涉及一种电极连接密封装置。这种电极连接密封装置包括密封本体,密封本体包括圆柱小端和圆柱大端,连接圆柱小端和圆柱大端的过渡部,圆柱小端外表面设置有至少三个小端外环,圆柱小端内表面设置有至少两个小端内环,圆柱小端内部设置有小端内腔,所述圆柱大端外表面设置有至少三个大端外环,圆柱大端内表面设置有至少两个大端内环,圆柱大端内部设置有大端内腔。这种电极连接密封装置的内腔具有小端内外和大端内环,小端内环的直径小于电极外径,对电极有挤压密封作用,大端内环的直径小于延伸导线的外径,对延伸电线有挤压密封作用,保证电极和延伸导线接触腔内不会有体液进入,从而避免造成短路。(The invention relates to the technical field of medical instruments, in particular to an electrode connection sealing device. The electrode connection sealing device comprises a sealing body, wherein the sealing body comprises a cylindrical small end and a cylindrical large end, a transition part for connecting the cylindrical small end and the cylindrical large end is connected, at least three small end outer rings are arranged on the outer surface of the cylindrical small end, at least two small end inner rings are arranged on the inner surface of the cylindrical small end, a small end inner cavity is arranged in the cylindrical small end, at least three large end outer rings are arranged on the outer surface of the cylindrical large end, at least two large end inner rings are arranged on the inner surface of the cylindrical large end, and a large end inner cavity is arranged in the cylindrical large end. The inner cavity of the electrode connecting and sealing device is provided with a small end inner ring, a small end outer ring and a large end inner ring, the diameter of the small end inner ring is smaller than the outer diameter of an electrode, the electrode is squeezed and sealed, the diameter of the large end inner ring is smaller than the outer diameter of an extension wire, the extension wire is squeezed and sealed, and the electrode and the extension wire are prevented from entering the contact cavity, so that short circuit is avoided.)

1. An electrode connection seal comprising a seal body (100), characterized in that: sealing device body (100) includes cylinder tip (1) and cylinder main aspects (3), connects transition portion (2) of cylinder tip (1) and cylinder main aspects (3), cylinder tip (1) surface is provided with three at least tip outer rings (11), and cylinder tip (1) internal surface is provided with two at least tip inner rings (12), and cylinder tip (1) inside is provided with tip inner chamber (10), cylinder main aspects (3) surface is provided with three at least main aspects outer ring (31), and cylinder main aspects (3) internal surface is provided with two at least main aspects inner ring (32), and cylinder main aspects (3) inside is provided with main aspects inner chamber (30).

2. The electrode connection sealing device according to claim 1, wherein: the small end inner ring (12) is arranged in the middle of the small end outer ring (11).

3. The electrode connection sealing device according to claim 1, wherein: the big end inner ring (32) is arranged in the middle of the big end outer ring (31).

4. The electrode connection sealing device according to claim 1, wherein: the inner diameter d0 of the small end (1) of the cylinder is larger than the outer diameter d1 of the electrode (200).

5. The electrode connection sealing device according to claim 1, wherein: the diameter d of the small end inner ring (12) is smaller than the outer diameter d1 of the electrode (200).

6. The electrode connection sealing device according to claim 1, wherein: the inner diameter D0 of the cylindrical big end (3) is larger than the outer diameter D1 of the extension lead (300).

7. The electrode connection sealing device according to claim 1, wherein: the large end inner ring (32) diameter D is smaller than the outer diameter D1 of the extension wire (300).

8. The electrode connection sealing device according to claim 1, wherein: the sealing body (100) is made of an elastic material.

Technical Field

The invention relates to a sealing device, in particular to an electrode connecting and sealing device.

Background

The electrode sealing device is used for connecting the spinal cord stimulation percutaneous electrode and the spinal cord stimulation extension lead, and prevents body fluid from entering and being unstable in connection. The electrode sealing device is not internally provided with a structure similar to an O-shaped ring.

Disclosure of Invention

The invention aims to solve the defects and provides an electrode connection sealing device.

In order to overcome the defects in the background art, the technical scheme adopted by the invention for solving the technical problems is as follows: the electrode connection sealing device comprises a sealing body, wherein the sealing body comprises a cylindrical small end and a cylindrical large end, and a transition part for connecting the cylindrical small end and the cylindrical large end is arranged on the outer surface of the cylindrical small end, at least three small end outer rings are arranged on the inner surface of the cylindrical small end, at least two small end inner rings are arranged on the inner surface of the cylindrical small end, a small end inner cavity is arranged in the cylindrical small end, at least three large end outer rings are arranged on the outer surface of the cylindrical large end, at least two large end inner rings are arranged on the inner surface of the cylindrical large end, and a large end inner cavity is.

According to another embodiment of the present invention, further comprising the tip inner ring being at an intermediate position of the tip outer ring.

According to another embodiment of the invention, further comprising the big end inner ring is located at the middle position of the big end outer ring.

According to another embodiment of the present invention, the inner diameter d0 of the small end of the cylinder is larger than the outer diameter d1 of the electrode.

According to another embodiment of the present invention, further comprising the tip inner ring diameter d being smaller than the electrode outer diameter d 1.

According to another embodiment of the present invention, further comprising: the inner diameter D0 of the large end of the cylinder is larger than the outer diameter D1 of the extension lead.

According to another embodiment of the present invention, it further comprises that the large end inner ring diameter D is smaller than the extension wire outer diameter D1.

According to another embodiment of the invention, it is further comprised that the material of the sealing body is an elastic material.

The invention has the beneficial effects that: the inner cavity of the electrode connecting and sealing device is provided with a small end inner ring, a small end outer ring and a large end inner ring, the diameter of the small end inner ring is smaller than the outer diameter of an electrode, the electrode is squeezed and sealed, the diameter of the large end inner ring is smaller than the outer diameter of an extension wire, the extension wire is squeezed and sealed, and the electrode and the extension wire are prevented from entering the contact cavity, so that short circuit is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the electrode connection sealing device according to the present invention;

FIG. 2 is a schematic structural view of section A-A in FIG. 1;

FIG. 3 is a schematic diagram of the electrode and the extension wire after being connected to the sealing device;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;

FIG. 5 is a schematic view of the electrode connected to the sealing device;

FIG. 6 is a schematic view of the structure of the extension wire reconnected to the extension wire of FIG. 5;

wherein: 100. the sealing device comprises a sealing device body, 1, a cylindrical small end, 2, a transition part, 3, a cylindrical large end, 10, a small end inner cavity, 11, a small end outer ring, 12, a small end inner ring, 30, a large end inner cavity, 31, a large end outer ring, 32, a large end inner ring, 200, an electrode, 300, an extension lead, 310, an electrode cavity, 311 and a large end face.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, including sealing device body 100 in the figure, sealing device body 100 includes cylinder tip 1 and cylinder main aspects 3, connects transition portion 2 of cylinder tip 1 and cylinder main aspects 3, 1 surface of cylinder tip is provided with three at least tip outer rings 11, and 1 internal surface of cylinder tip is provided with two at least tip inner rings 12, and 1 inside tip inner chamber 10 that is provided with of cylinder tip, 3 surfaces of cylinder main aspects are provided with three at least main aspects outer ring 31, and 3 internal surfaces of cylinder main aspects are provided with two at least main aspects inner ring 32, and 3 inside main aspects inner chambers 30 that are provided with of cylinder main aspects. The small end outer ring 11 and the large end outer ring 31 are used for positioning when binding the suture.

The small end inner ring 12 is located at the middle position of the small end outer ring 11. The suture is tied up and placed in the small end outer ring 11, and the small end inner ring 12 of the sealing device 100 is more tightly attached to the surface of the electrode 200 due to the radial force of the suture received on the outer surface of the sealing device 100.

The large end inner ring 32 is located at the middle position of the large end outer ring 31. The large end inner ring 32 of the sealing device 100 is tightly attached to the surface of the extension lead 300 by being bound between the three large end outer rings 31 with the suture, and body fluid cannot enter the connection part of the extension lead 300 and the electrode 200 to perform a sealing function.

The inner diameter d0 of the small end 1 of the cylinder is larger than the outer diameter d1 of the electrode 200. The small end inner ring 12 diameter d is less than the electrode 200 outer diameter d 1. The inner diameter D0 of the cylindrical large end 3 is larger than the outer diameter D1 of the extension wire 300. The large end inner ring 32 diameter D is less than the extension wire 300 outer diameter D1. The electrode 200 is inserted into the small-end lumen 10 of the sealing device 100, and then the electrode 200 is inserted into the electrode lumen 310 of the extension wire 300.

The material of the sealing body 100 is an elastic material, and the elastic material may be silicon rubber, TPU, or the like.

Examples

As shown in fig. 3-6, the electrode 200 is first inserted into the small end inner cavity 10 of the sealing device 100, then the electrode 200 is inserted into the electrode cavity 310 of the extension lead 300, then the large end inner cavity 30 of the sealing device 100 is connected with the extension lead 300, the sealing device 100 is sleeved, so that the large section 311 of the extension lead 300 contacts with the transition part 2 of the sealing device 100, then the sealing device is bound between the three small end outer rings 11 by the suture thread, and then the sealing device is bound between the three large end outer rings 31 by the suture thread, due to the radial force received by the outer surface of the sealing device 100, the small end inner ring 12 of the sealing device 100 is more tightly attached to the surface of the electrode 200, the large end inner ring 32 of the sealing device 100 is more tightly attached to the surface of the extension lead 300, and body fluid cannot enter the connection part of the extension lead 300 and the electrode 200, thereby achieving the sealing function.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.