An electrode protection cap

Abstract

The present invention discloses an electrode protection cap, which comprises a sleeve, a locking member, a sealing ring and a screw. One end of the sleeve is closed and the other end is open, and the open end is used for inserting an electrode; the locking member is embedded in the sleeve; an electrode hole for the electrode to pass through is formed in the locking member; the sealing ring is installed at the open end of the sleeve; a screw hole perpendicular to the electrode hole is further formed at the top of the locking member, and a sealing member is further arranged on the side wall of the sleeve. The sealing member comprises a through hole coaxially arranged with the screw hole, and the screw can be spirally installed in the screw hole, and the bottom surface of the screw head presses against the sealing member to form a seal. The present invention can easily realize the fixation and loosening of the electrode, without the need for additional tools such as a torque screwdriver for further operation, and can also achieve sealing without tying wires. At the same time, the cost is low, it is easy to form, and the assembly is simple.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an electrode protection cap. Background Art

[0002] DBS (Deep Brain Stimulation) is currently an effective technology for treating late-stage and drug-refractory movement disorders and mental disorders, especially in the treatment of Parkinson's disease.

[0003] During DBS surgery, local anesthesia is required for electrode placement, followed by general anesthesia for subsequent placement of the extension leads and pulse generator. These two procedures may be performed in stages. To prevent infection, after the electrodes are implanted and secured, they are temporarily coiled and tucked under the scalp, and the scalp incision is temporarily sutured. During this coiling and scalp insertion, if the electrode connector is not protected, blood can enter the electrode and mechanical bending can damage the connector. Using an electrode cap to protect the electrode connector and prevent leakage is crucial. Summary of the Invention

[0004] An object of the present invention is to provide an electrode protection cap for solving at least one of the above-mentioned technical problems, which can easily achieve the fixing and loosening of the electrode.

[0005] In view of this, the present invention provides an electrode protection cap, which includes a sleeve, a locking member, a sealing ring and a screw;

[0006] One end of the sleeve is closed and the other end is open, and the open end is used to insert the electrode;

[0007] The locking member is arranged in the sleeve; the locking member is provided with an electrode hole for the electrode to pass through;

[0008] The sealing ring is installed at the open end of the sleeve;

[0009] The locking member is further provided with a screw hole arranged perpendicularly to the electrode hole. A sealing member is further provided on the side wall of the sleeve. The sealing member includes a through hole arranged coaxially with the screw hole. The screw can be installed in the screw hole and press against the sealing member to form a seal.

[0010] Preferably, the screw hole of the locking member passes through the side wall of the sleeve along the through hole.

[0011] Preferably, the top surface of the sealing member with the through hole includes a first abutting surface, and the top surface of the locking member with the screw hole includes a second abutting surface; the first abutting surface is parallel to and slightly higher than the second abutting surface.

[0012] Preferably, the top surface of the seal member where the through - hole is formed includes a first abutting surface, and there is a sealing ring protruding from the first abutting surface around the through - hole on the first abutting surface. The top surface of the locking member where the screw hole is formed includes a second abutting surface; the protruding height of the sealing ring is slightly higher than the second abutting surface.

[0013] Preferably, the sealing ring has an arc - shaped top.

[0014] Preferably, the first abutting surface is parallel to and not higher than the second abutting surface.

[0015] Preferably, after the screw is helically installed in the screw hole, the bottom surface of the screw nut abuts against the top surface of the locking member where the screw hole is formed to form a limit for the screw; the bottom surface of the screw rod abuts against the side surface of the electrode to form a fixation for the electrode.

[0016] Preferably, the sleeve and the seal member are made of a soft material that can undergo elastic deformation;

[0017] Preferably, the sleeve and the seal member are integrally formed.

[0018] Preferably, the locking member and the screw are made of a polymer material.

[0019] Preferably, the locking member is integrally in a "convex" shape.

[0020] The technical effects of the present invention are as follows:

[0021] 1. The electrode protection cap of the present invention is easy to operate. The electrode can be fixed and released by directly tightening and loosening the screw, without the need for additional tools such as a torque screwdriver for further operation, and sealing can be achieved without tying wires. At the same time, the cost is lower, it is easy to form, and the assembly is simple.

[0022] 2. By the bottom surface of the screw nut abutting against the top surface of the screw hole, the top surface of the locking member limits the screw to prevent excessive compression.

[0023] 3. The screw is made of a polymer material and is formed by injection molding, which can avoid defects such as burrs, oxidation, and deformation generated during the processing of metal locking members. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0025] Figure 1 Structural schematic diagram of the electrode protection cap of the present invention;

[0026] Figure 2 Structural schematic diagram of the electrode protection cap of the present invention inserted into the electrode;

[0027] Figure 3 Cross-sectional structural schematic diagram of the electrode protection cap of the present invention inserted into the electrode;

[0028] Figure 4 Exploded structural schematic diagram of the electrode protection cap of the present invention.

[0029] In the figure: 1 - sleeve; 2 - locking member; 21 - electrode hole; 22 - screw hole; 23 - second abutting surface; 3 - sealing ring; 4 - electrode; 5 - screw; 6 - sealing member; 61 - through hole; 62 - sealing ring; 63 - first abutting surface. Detailed implementation manners

[0030] To make the objectives, 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated herein can be arranged and designed in various different configurations.

[0031] Please refer to Figures 1 to 4 , an electrode protection cap provided by an embodiment of the present invention includes a sleeve 1, a locking member 2, a sealing ring 3 and a screw 5.

[0032] One end of the sleeve 1 is closed and the other end is open, and the open end is used for inserting the electrode 4.

[0033] The locking member 2 is embedded in the sleeve 1, and an electrode hole 21 for the electrode 4 to pass through is formed in the locking member 2.

[0034] The sealing ring 3 is installed at the open end of the sleeve 1.

[0035] The locking member 2 is further provided with a screw hole 22 perpendicular to the electrode hole 21, and a sealing member 6 is further provided on the side wall of the sleeve 1. The sealing member 6 includes a through hole 61 coaxially arranged with the screw hole 22, and the screw 5 can be screwed into the screw hole 22 and press against the sealing member 6 to form a seal.

[0036] For the convenience of describing the specific structure of the electrode protection cap, the side close to the side where the screw 5 is screwed in is called the "top" in each structure, and the opposite side is called the "bottom". In a preferred embodiment, the locking member 2 is integrally in a "convex" shape, so as to be conveniently embedded in the sleeve 1. The bottom side of the electrode hole 21 is arc-shaped, and the arc radius is equal to or slightly larger than the radius of the electrode 4, so as to be suitable for the electrode 4 to abut against the bottom of the electrode hole 21. There is an expansion gap on the top side of the electrode hole 21, so as to facilitate the insertion of the electrode 4 into the electrode hole 21. The screw hole 22 is directly above the side of the electrode hole 21, so that when the screw 5 abuts against the electrode 4, the electrode 4 is uniformly stressed.

[0037] In a preferred embodiment, the top surface of the sealing member 6 where the through hole 61 is opened includes a first abutting surface 63, the top surface of the locking member 2 where the screw hole 22 is opened includes a second abutting surface 23, and the screw hole 22 of the locking member 2 passes through the side wall of the sleeve 1 along the through hole 61. The first abutting surface 63 is parallel to and slightly higher than the second abutting surface 23. In this embodiment, after the screw 5 is spirally installed in the screw hole 22, the first abutting surface 63 is used to abut against the bottom surface of the nut of the screw 5 and elastically deform to form a sealed state.

[0038] In another alternative embodiment, the top surface of the sealing member 6 where the through hole 61 is opened includes a first abutting surface 63, and there is a sealing ring 62 protruding from the first abutting surface 63 around the through hole 61 on the first abutting surface 63. The top surface of the screw hole 22 includes a second abutting surface 23, and the screw hole 22 of the locking member 2 passes through the side wall of the sleeve 1 along the through hole 61. The protruding height of the sealing ring 62 is slightly higher than the second abutting surface 23. In this embodiment, after the screw 5 is spirally installed in the screw hole 22, the sealing ring 62 is used to abut against the bottom surface of the nut of the screw 5 and elastically deform to form a sealed state. Preferably, the sealing ring 62 has an arc top. More preferably, the first abutting surface 63 is parallel to and not higher than the second abutting surface 23, so that during the process of spirally installing the screw 5, only the sealing ring 62 elastically deforms, and through the moderate and uniform elastic deformation of the sealing ring 62, the sealing effect is more excellent.

[0039] Through the above embodiments, directly tightening and loosening the screw 5 can realize the fixing and loosening of the electrode 4. The locking part realizes the clamping of the electrode by screwing the screw 5 into the locking member 2 to achieve the locking effect.

[0040] In a preferred embodiment of the present invention, after the screw 5 is helically installed in the threaded hole 22, the bottom surface of the nut of the screw 5 of the electrode protection cap abuts against the top surface of the threaded hole 22 opened in the locking member 2. Thus, the screw 5 is limited by the top surface of the threaded hole 22 opened in the locking member 2 to prevent excessive compression. At the same time, the screw rod of the screw 5 has a preset and adapted length. After the bottom surface of the nut of the screw 5 abuts against the top surface of the threaded hole 22, the bottom surface of the screw rod of the screw 5 abuts against the side surface of the electrode 4, thereby forming the fixation of the electrode 4, and the screw rod of the screw 5 can meet the preset requirements for the abutting pressure on the electrode 4 due to the preset and adapted length. Preferably, the length of the stud of the screw 5 can meet the requirement that after the bottom surface of the nut of the screw 5 abuts against the top surface of the threaded hole 22, the radial interference amount between the stud of the screw 5 and the electrode 4 is between 0.03 - 0.07 mm.

[0041] In a preferred embodiment of the present invention, the head of the screw 5 of the electrode protection cap is provided with anti-slip threads. Thus, it is convenient to rotate the screw.

[0042] In a preferred embodiment of the present invention, the sleeve 1 and the seal 6 of the electrode protection cap are made of a soft material. Specifically, they are processed and formed by a soft rubber material that can undergo elastic deformation. Preferably, the seal 6 and the sleeve 1 are integrally formed. The locking member 2 and the screw 5 are made of a polymer material, such as plastic, and are processed and formed by injection molding, so as to avoid defects such as burrs, oxidation, and deformation generated during the processing of metal locking members. The sealing ring 3 is processed and formed by a soft rubber material. In addition, the open end of the sleeve 1 is formed with a stepped tapered hole. The tapered portion of the stepped tapered hole extends in the reverse direction of the open end and the aperture decreases. The stepped hole section with a large aperture is formed at the open end of the stepped tapered hole, and the stepped hole section with a large aperture is used to accommodate the sealing ring.

[0043] In a preferred embodiment of the present invention, the seal 6 and the locking member 2 are sealingly connected. The sealing ring 3 is of an annular structure and is arranged at the opening of the open end of the sleeve 1 and is sealingly connected to the sleeve 1. When the electrode 4 is inserted into the sleeve 1 from inside the sealing ring 3, the electrode 4 is sealingly connected to the sealing ring 3, and the screw 5 presses against the seal 6 for sealing connection, thereby realizing the sealing of the electrode.

[0044] The embodiment of the present invention aims to protect an electrode protection cap, having the following effects:

[0045] The electrode protection cap of the present invention is composed of four parts: a sleeve 1, a locking member 2, a sealing ring 3, and a screw 5. The sleeve 1 is processed and formed from a soft rubber material, with the locking member 2 assembled inside. Finally, a sealing ring 3 is provided at the opening position. A sealing member 6 is provided on the sleeve 1. By directly tightening and loosening the screw 5, the fixation and detachment of the electrode can be achieved, without the need for additional tools such as a torque screwdriver for further operation, and sealing can be achieved without tying wires. At the same time, the cost is lower, it is easy to form, and the assembly is simple.

[0046] It should be understood that the above specific embodiments of the present invention are only used for illustrative explanation or interpretation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. An electrode protection cap, characterized in that, It includes a sleeve (1), a locking member (2), a sealing ring (3) and a screw (5); One end of the sleeve (1) is closed and the other end is open, and the open end is inserted into the electrode (4); The locking member (2) is arranged inside the sleeve (1); an electrode hole (21) for the electrode (4) to pass through is formed on the locking member (2); The sealing ring (3) is installed at the open end of the sleeve (1); The locking member (2) is further provided with a screw hole (22) perpendicular to the electrode hole (21), and a sealing member (6) is further arranged on the side wall of the sleeve (1). The sealing member (6) includes a through hole (61) coaxially arranged with the screw hole (22), and the screw (5) can be installed in the screw hole (22). The bottom surface of the nut of the screw (5) presses against the sealing member (6) to form a seal; After the screw (5) is spirally installed in the screw hole (22), the bottom surface of the nut of the screw (5) abuts against the top surface of the locking member (2) where the screw hole (22) is formed to form a limit for the screw (5); the bottom surface of the screw rod of the screw (5) abuts against the side surface of the electrode (4) to form a fixation for the electrode (4); The head of the screw (5) is provided with anti-slip threads.

2. The electrode protection cap according to claim 1, wherein, The screw hole (22) of the locking member (2) passes through the side wall of the sleeve (1) along the through hole (61).

3. The electrode protection cap according to claim 2, characterized in that, The top surface of the through hole (61) of the sealing member (6) includes a first abutting surface (63), and the top surface of the screw hole (22) of the locking member (2) includes a second abutting surface (23); the first abutting surface (63) is parallel to and higher than the second abutting surface (23).

4. The electrode protection cap according to claim 2, wherein The top surface of the through hole (61) of the sealing member (6) includes a first abutting surface (63), and there is a sealing ring (62) protruding from the first abutting surface (63) around the through hole (61) on the first abutting surface (63). The top surface of the screw hole (22) of the locking member (2) includes a second abutting surface (23); the protruding height of the sealing ring (62) is higher than the second abutting surface (23).

5. The electrode protection cap according to claim 4, characterized in that, The sealing ring (62) has an arc-shaped top.

6. The electrode protection cap according to claim 4, characterized in that The first abutting surface (63) is parallel to and not higher than the second abutting surface (23).

7. The electrode protection cap according to claim 1, characterized in that The sleeve (1) and the sealing member (6) are made of a soft material that can undergo elastic deformation; The locking member (2) and the screw (5) are made of a polymer material.

8. The electrode protection cap according to claim 7, characterized in that The sleeve (1) and the sealing member (6) are integrally formed.

9. The electrode protection cap according to claim 1, characterized in that, The locking member (2) is integrally in a "convex" shape.

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