Brain-computer interface electrode protection cover

Abstract

The utility model discloses a brain-computer interface electrode protection cover, which relates to the technical field of brain-computer interfaces and comprises a fixing piece and a top cover. The fixing piece is used for being arranged at the position where a brain electrode of a detected object is implanted and connected with the brain. The top cover is arranged on the fixing piece and connected with the fixing piece, the top cover comprises a first cover body and a second cover body, the first cover body is connected with the second cover body, the first cover body and the second cover body jointly define a first containing cavity, the first containing cavity is used for covering the cylindrical crimping type connector, the first cover body is provided with a second containing cavity, and the second containing cavity is used for containing the cylindrical crimping type connector. And the second accommodating cavity is used for covering the cuboid pin type interface. According to the brain-computer interface electrode protection cover, the first accommodating cavity can cover the cylindrical crimping type interface, the second accommodating cavity can cover the cuboid pin type interface, and different types of accommodating cavities are correspondingly arranged, so that different types of electrode interfaces are effectively protected at the same time, and the brain-computer interface electrode protection cover is convenient to use and high in practicability. The method is suitable for the condition that multiple types of electrodes are used simultaneously.

Description

TECHNICAL FIELD

[0001] The utility model relates to brain-computer interface technical field, especially a brain-computer interface electrode protective cover. BACKGROUND

[0002] In the non-human primate implantable brain-computer interface experiment, the electrode is used to collect and regulate the brain signal. The electrode mainly includes two parts, the neural interface implanted in the brain and the interface left outside the skull. Among them, the interface left outside the skull has various forms, such as flat cuboid type needle type interface and cylindrical type crimp type interface. These interfaces are exposed outside the skull, and usually need a protective cover to prevent pollution and damage from external force. For complex brain-computer interface experiments, multiple types of electrodes may be used simultaneously. However, the existing protective cover is designed for a specific single type of electrode interface, and cannot effectively protect different types of electrode interfaces simultaneously, which is inconvenient to use. Therefore, how to provide a brain-computer interface electrode protective cover that can simultaneously protect different types of electrode interfaces and is convenient to use is a technical problem that technicians in the field are eager to solve. SUMMARY

[0003] The utility model aims at providing a brain-computer interface electrode protective cover, which solves the technical problem that the existing protective cover is designed for a specific single type of electrode interface and cannot effectively protect different types of electrode interfaces simultaneously, which is inconvenient to use.

[0004] To achieve the above-mentioned purpose, the utility model provides a brain-computer interface electrode protective cover, which comprises:

[0005] A fixing member is arranged at the implanted electrode of the detection object and connected with the skull;

[0006] A top cover is arranged on the fixing member and connected with the fixing member. The top cover comprises a first cover body and a second cover body. The first cover body is connected with the second cover body. The first cover body and the second cover body jointly define a first accommodating cavity. The first accommodating cavity is used to cover the cylindrical type crimp type interface. The first cover body is provided with a second accommodating cavity. The second accommodating cavity is used to cover the cuboid type needle type interface.

[0007] Preferably, the utility model further comprises a connecting member located between the fixing member and the top cover. The fixing member and the top cover are connected through the connecting member.

[0008] Preferably, the first cover body and the second cover body are provided with a first connecting hole. The connecting member is provided with a plurality of second connecting holes. The first connecting hole and the second connecting hole correspond to each other. The top cover and the connecting member are connected through bolts. The bolts pass through the first connecting hole and the second connecting hole.

[0009] Preferably, the second connecting holes are uniformly distributed along the circumference of the connecting piece.

[0010] Preferably, the fixing piece is provided with third connecting holes, one side of the connecting piece is provided with a fixing block, the fixing block is provided with fourth connecting holes, the third connecting holes correspond to the fourth connecting holes one by one, the fixing piece and the connecting piece are connected through bolts, and the bolts pass through the third connecting holes and the fourth connecting holes.

[0011] Preferably, the first cover body and the second cover body are provided with connecting blocks, and the connecting blocks of the first cover body and the second cover body are connected through bolts.

[0012] Preferably, the fixing piece is provided with a plurality of mounting blocks, and the mounting blocks are connected to the brain through screws.

[0013] Preferably, the mounting blocks are uniformly distributed along the circumference of the fixing piece.

[0014] Preferably, the connecting piece is provided with an opening, and the opening is used for passing through an electrode lead wire.

[0015] Preferably, the fixing piece is provided with an arc surface, and the arc surface is used for making the fixing piece fit the brain.

[0016] With respect to the above background art, the brain-computer interface electrode protective cover provided by the utility model, the first cover body and the second cover body jointly define a first containing cavity, the first containing cavity in a cylindrical shape can be covered outside the crimping type interface in a cylindrical shape, and the crimping type interface in a cylindrical shape is protected, meanwhile, the first cover body is provided with a second containing cavity, the second containing cavity in a cuboid shape can be covered outside the pin type interface in a cuboid shape, and the pin type interface in a cuboid shape is protected, different types of containing cavities are correspondingly arranged, different types of electrode interfaces can be effectively protected at the same time, the utility model is convenient to use, and is suitable for the case that multiple types of electrodes are simultaneously used in complex brain-computer interface experiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without paying creative labor.

[0018] Fig. 1 It is an overall schematic view of the brain-computer interface electrode protective cover provided by the embodiments of the utility model.

[0019] Fig. 2The decomposition schematic view of the brain-computer interface electrode protective cover is provided in the embodiment of the utility model.

[0020] Fig. 3 The decomposition schematic view of the brain-computer interface electrode protective cover from another perspective is provided in the embodiment of the utility model.

[0021] Figs. 1-3 The reference numerals: 10, top cover; 11, first cover body; 12, second cover body; 13, first containing cavity; 14, second containing cavity; 15, first connecting hole; 16, connecting block; 20, fixing part; 21, third connecting hole; 22, mounting block; 23, arc surface; 30, connecting part; 31, second connecting hole; 32, fixing block; 33, fourth connecting hole; 34, gap. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In order to enable those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0024] The utility model provides a kind of brain-computer interface electrode protective cover, can be compatible and simultaneously protect flat cuboid shape's plug pin type interface and cylindrical type's crimping type interface, it is convenient to use.

[0025] Please refer to Figs. 1-3 The brain-computer interface electrode protective cover provided by the utility model includes a fixing part 20 and a top cover 10. The fixing part 20 is arranged on the implanted part of the brain electrode of the detection object and connected with the brain. The top cover 10 is arranged on the fixing part 20, and the top cover 10 is connected with the fixing part 20. The top cover 10 includes a first cover body 11 and a second cover body 12. The first cover body 11 is connected with the second cover body 12. The first cover body 11 and the second cover body 12 jointly define a first containing cavity 13. The first containing cavity 13 is used to cover the crimping type interface of the cylindrical type. The first cover body 11 is provided with a second containing cavity 14. The second containing cavity 14 is used to cover the plug pin type interface of the cuboid type.

[0026] The first cover body 11 and the second cover body 12 are connected to form a cover structure, and the first cover body 11 and the second cover body 12 jointly define a first accommodating cavity 13, which is in a cylindrical shape, so as to be capable of covering the crimped interface of the cylindrical shape and providing protection for the crimped interface of the cylindrical shape, and the first cover body 11 is provided with a second accommodating cavity 14, which is in a cuboid shape, so as to be capable of covering the pin type interface of the cuboid shape and providing protection for the pin type interface of the cuboid shape. The brain-computer interface electrode protective cover provided by the utility model can effectively protect different types of electrode interfaces at the same time through the corresponding arrangement of different types of accommodating cavities, is convenient to use, and is applicable to the case that multiple types of electrodes are used at the same time in complex brain-computer interface experiments.

[0027] In addition, the first cover body 11 and the second cover body 12 are connected to form a cover structure, and the first accommodating cavity 13 and the second accommodating cavity 14 are in a communication state.

[0028] Preferably, referring to Figs. 1-3 The brain-computer interface electrode protective cover provided by the utility model further comprises a connecting piece 30, the connecting piece 30 is located between the fixing piece 20 and the top cover 10, and the fixing piece 20 and the top cover 10 are connected through the connecting piece 30. The connecting piece 30 is in a substantially annular structure, the connecting piece 30 is located between the fixing piece 20 and the top cover 10, and the connecting piece 30 is connected with the fixing piece 20 and the top cover 10 respectively, so that the connection between the top cover 10 and the fixing piece 20 is realized.

[0029] Preferably, referring to Figs. 1-3 The first cover body 11 and the second cover body 12 are provided with a first connecting hole 15, the connecting piece 30 is provided with a plurality of second connecting holes 31, the first connecting hole 15 and the second connecting hole 31 correspond to each other, the top cover 10 and the connecting piece 30 are connected through bolts, and the bolts pass through the first connecting hole 15 and the second connecting hole 31. The first connecting hole 15 on the first cover body 11 and the first connecting hole 15 on the second cover body 12 correspond to the second connecting hole 31 on the connecting piece 30 one by one, bolts pass through the first connecting hole 15 and the second connecting hole 31 and are locked through nuts, so that the connection between the top cover 10 and the connecting piece 30 is realized.

[0030] Preferably, referring to Figs. 1-3 The second connecting holes 31 are uniformly distributed along the circumference of the connecting piece 30, so that the load borne by each bolt connecting the top cover 10 and the connecting piece 30 is relatively uniform, and the situation that some adjusting bolts bear overload and other adjusting bolts do not fully play a role is avoided, so that the overall connection strength is improved, and the stability and safety of the connection are ensured.

[0031] Preferably, referring to Figs. 1-3The side surface of the fixing piece 20 is provided with a third connecting hole 21, one side of the connecting piece 30 is provided with a plurality of fixing blocks 32, the fixing block 32 is provided with a fourth connecting hole 33, the third connecting hole 21 and the fourth connecting hole 33 are one-to-one corresponding, the fixing piece 20 and the connecting piece 30 are connected through bolts, the bolts pass through the third connecting hole 21 and the fourth connecting hole 33. The third connecting hole 21 on the side surface of the fixing piece 20 and the fourth connecting hole 33 on the side surface of the connecting piece 30 are one-to-one corresponding, the bolts pass through the third connecting hole 21 and the fourth connecting hole 33 and are locked by nuts, so as to realize the connection between the fixing piece 20 and the connecting piece 30. The fourth connecting hole 33 is located in the middle of the fixing block 32, and the stress distribution can be optimized, the stability and strength of the structure are improved, and it is safe and reliable.

[0032] Please refer to Figs. 1-3 The first cover body 11 and the second cover body 12 are provided with a plurality of connecting blocks 16, the connecting blocks 16 of the first cover body 11 and the connecting blocks 16 of the second cover body 12 are connected through bolts. The plurality of connecting blocks 16 are distributed along a straight line at equal intervals, the middle part of the connecting block 16 is provided with a through hole, the bolts pass through the connecting blocks 16 of the first cover body 11 and the connecting blocks 16 of the second cover body 12, and are locked by nuts, so as to connect the first cover body 11 and the second cover body 12. The through hole is located in the middle of the connecting block 16, and the stress distribution can be optimized, the stability and strength of the structure are improved, and it is safe and reliable.

[0033] Please refer to Figs. 1-3 The fixing piece 20 is provided with a plurality of mounting blocks 22, and the mounting block 22 is connected with the brain through a screw. The mounting block 22 is a rectangular structure, and the mounting block 22 has a certain included angle with the horizontal direction, so that the mounting block 22 is in an inclined state. In this way, the bottom surface of the mounting block 22 can be as close as possible to the brain, facilitating the connection between the mounting block 22 and the brain.

[0034] Please refer to Figs. 1-3 The mounting blocks 22 are uniformly distributed along the circumference of the fixing piece 20, so that the plurality of mounting blocks 22 reliably fix the fixing piece 20 to the brain, avoiding the situation of loosening or even falling off.

[0035] Please refer to Figs. 1-3 The connecting piece 30 is provided with an opening 34, and the opening 34 is used for the electrode lead wire to pass through. After the brain-computer interface electrode protection cover is installed on the brain, the electrode lead wire can be discharged from the above-mentioned opening 34. The opening 34 can limit the electrode lead wire to a certain extent, avoid the electrode lead wire from being distributed in disorder, and ensure that the electrode lead wire is neat and standard. In the embodiment, the opening 34 is approximately rectangular, but the shape of the opening 34 is not limited to this, and can be arc-shaped, triangular, etc.

[0036] Please refer to Figs. 1-3 Figs. 1-3The fixing member 20 is provided with an arc surface 23 for adhering the fixing member 20 to the cranium. The arc surface 23 is located on the side of the fixing member 20 connected to the cranium, and through the arc surface 23, the fixing member 20 can be closely adhered to the cranium of the non-human primate.

[0037] The brain-computer interface electrode protection cover provided by the utility model has the first cover body 11 and the second cover body 12 jointly defining the first containing cavity 13, the first containing cavity 13 in the cylindrical shape can be covered outside the crimping type interface in the cylindrical shape, protection is provided for the crimping type interface in the cylindrical shape, and the first cover body 11 is provided with the second containing cavity 14, the second containing cavity 14 in the cuboid shape can be covered outside the pin type interface in the cuboid shape, protection is provided for the pin type interface in the cuboid shape, different types of containing cavities are correspondingly arranged, different types of electrode interfaces can be effectively protected at the same time, the utility model is convenient to use and applicable to the case that multiple types of electrodes are simultaneously used in complex brain-computer interface experiments.

[0038] It should be noted that the relative terms, such as first and second, in the present description are used only to differentiate one entity from another entity, and do not necessarily require or imply any such actual relationship or order between these entities.

[0039] The principle and implementation mode of the utility model are described by using specific examples in the present document, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model.

Claims

1. A protective cover for brain-computer interface electrodes, characterized in that, include: A fastener is used to be placed at the site of the intracranial electrode implantation in the test subject and connected to the brain. A top cover is disposed on the fixing member and connected to the fixing member. The top cover includes a first cover body and a second cover body. The first cover body and the second cover body are connected. The first cover body and the second cover body together define a first receiving cavity. The first receiving cavity is used to cover the cylindrical crimp-type interface. The first cover body is provided with a second receiving cavity. The second receiving cavity is used to cover the cuboid pin-type interface.

2. The brain-computer interface electrode protective cover according to claim 1, characterized in that, It also includes a connector located between the fixing member and the top cover, which connects the fixing member and the top cover.

3. The brain-computer interface electrode protective cover according to claim 2, characterized in that, The first cover and the second cover are provided with a first connecting hole, and the connector is provided with a plurality of second connecting holes. The first connecting hole and the second connecting hole correspond one-to-one. The top cover and the connector are connected by bolts, and the bolts pass through the first connecting hole and the second connecting hole.

4. The brain-computer interface electrode protective cover according to claim 3, characterized in that, The second connecting holes are evenly distributed along the circumference of the connector.

5. The brain-computer interface electrode protective cover according to claim 4, characterized in that, The fastener has a third connecting hole on its side, and the connector has a fixing block on one side. The fixing block has a fourth connecting hole. The third connecting hole and the fourth connecting hole correspond one-to-one. The fastener and the connector are connected by bolts, and the bolts pass through the third connecting hole and the fourth connecting hole.

6. The brain-computer interface electrode protective cover according to claim 5, characterized in that, The first cover and the second cover are provided with connecting blocks, and the connecting blocks of the first cover and the second cover are connected by bolts.

7. The brain-computer interface electrode protective cover according to claim 6, characterized in that, The fastener has multiple mounting blocks, which are connected to the skull via screws.

8. The brain-computer interface electrode protective cover according to claim 7, characterized in that, The mounting blocks are evenly distributed around the circumference of the fastener.

9. The brain-computer interface electrode protective cover according to any one of claims 2-8, characterized in that, The connector has a notch for the electrode wire to pass through.

10. The brain-computer interface electrode protective cover according to claim 1, characterized in that, The fastener has an arc-shaped surface for fitting the fastener to the skull.

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