一种卡扣及电阻抗成像设备

Abstract

本申请提供一种卡扣及电阻抗成像设备，涉及生物信号检测技术领域，该卡扣用于连接电极带上的电极与电极线缆，卡扣包括：公扣，公扣被配置为安装在电极带上并与电极电连接，其中，公扣具有凸起；母扣，母扣被配置为安装在电极线缆上的电极接口内并与电极线缆中的导线电连接，其中，母扣的一侧表面开设有供凸起插入的凹孔，母扣内部开设有安装腔，安装腔内设置有用于将凸起卡接限制在凹孔内的卡接组件，凹孔的内底面上设置有弹性导电层。通过本申请实施例提供的卡扣连接电极带上的电极与电极线缆，可以使得电极带上的电极与电极线缆之间电连接效果更佳，从而使得两者之间具有较好的信号传输能力。

Claims

1. A clip for connecting an electrode on an electrode tape to an electrode cable, characterized by, The buckle includes: A male buckle, configured to be mounted on the electrode strip and electrically connected to the electrode, wherein the male buckle has a protrusion; A female buckle is configured to be installed in the electrode interface on the electrode cable and electrically connected to the wires in the electrode cable. A recessed hole is provided on one side surface of the female buckle for the protrusion to be inserted. An installation cavity is provided inside the female buckle. A snap-fit ​​component is provided in the installation cavity for snapping and restricting the protrusion in the recessed hole. An elastic conductive layer is provided on the inner bottom surface of the recessed hole.

2. The buckle of claim 1, wherein, The snap-fit ​​assembly includes two elastic members disposed within the mounting cavity and located on both radial sides of the recess. When the protrusion is inserted into the recess, the two elastic members are squeezed by the protrusion to generate elastic force to clamp the protrusion.

3. The buckle of claim 2, wherein, The elastic element has a linear structure as a whole. One end of the linear structure is fixed to the side wall of the mounting cavity away from the recess, and the other end of the linear structure passes through the side wall of the recess and extends into the recess.

4. The buckle of claim 2, wherein, The elastic element is U-shaped in general. One side of the U-shaped structure is fixed to the side wall of the mounting cavity away from the recess, and at least a portion of the other side of the U-shaped structure penetrates the side wall of the recess and is located inside the recess.

5. The buckle of claim 1, wherein, The snap-fit ​​assembly includes an elastic element arranged radially along the mounting cavity. The elastic element is generally S-shaped. The two ends of the S-shaped structure are respectively fixed to the radially opposite sidewalls inside the mounting cavity. The S-shaped structure includes a middle U-shaped portion. At least a portion of both sides of the middle U-shaped portion penetrates the sidewall of the recess and is located inside the recess.

6. The buckle of claim 1, wherein, The elastic conductive layer is also provided on the inner side of the concave hole.

7. The buckle of claim 1, wherein, The material of the elastic conductive layer is a conductive elastic composite material obtained by adding conductive fillers to an elastic polymer matrix. The elastic polymer may include polyurethane, rubber or silicone, and the conductive fillers may include carbon nanotubes, silver nanowires or graphene.

8. The buckle of claim 1, wherein, The elastic modulus of the elastic conductive layer is 0.5 MPa to 2 MPa.

9. An electrical impedance imaging device, characterized by include: The device includes an electrode strip, an electrode cable, and a terminal device, wherein the electrode cable is electrically connected to the terminal device, and the electrode cable is provided with a plurality of electrode interfaces, and the electrode interfaces and the electrodes on the electrode strip are connected by a snap fastener as described in any one of claims 1 to 8.

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