Methods, apparatuses and wearable devices for measuring an ECG signal for a user wearing a wearable device includes when the ECG signal is measured in a first mode, receiving the ECG signal by an ECG sensor from a closed circuit formed by a first ECG sensor electrode and a second ECG sensor electrode, in which the wearable device includes a main body detachable to the wearable device, a connecting portion, and electrode patches, and the main body includes the ECG sensor, the first ECG sensor electrode, and the second ECG sensor electrode, and when the ECG signal is measured in a second mode, receiving the ECG signal by the ECG sensor from a closed circuit formed by electrodes of the electrode patches, in which the ECG sensor is in the main body and the main body is connected to the electrode patches.

A mono-layer electrode sensor suitable for a multitude of electrophysiology testing applications is disclosed. The electrode sensor can include a mono-layer of conductive film shaped with a soft-form geometry that is modifiable to a targeted size tailored to a patient. The conductive film includes a sensing area that is complementary to a size and morphology of a body structure of the patient. The conductive film can have a connector coupled to the sensor, and the skin adherent side can have a bio-compatible hydrogel coated there over including a non-conductive material formed over the connector portion of the conductive film.

The present invention relates generally to an electronic device having a housing and at least one male connection portion for detachably connection the electronic device to a female snap. The male connection portion comprises a stud having a male head portion capable of fitting within a socket region of a snap. The male head portion has a terminal end which is the terminal end of the stud and a second end which separates the male head portion from a mid-portion, and an end portion opposite the male head portion. The end portion has a terminal end which is second terminal end of the stud. A mid-portion is between the male head portion and the end portion. The stud is in electrical contact with an electronic component of the electronic device, and the head portion has a centered cavity open at the terminal end of the male head portion.

The present invention is directed to a physiological recording device, or other types of sensors to detect a biopotential, and more particularly, a physiological recording electrode that can be used without skin preparation or the use of electrolytic gels. The invention is further directed to the configurations of structures on the physiological recording electrode's lower surface. The structures having a length, width, and height, which are capable, at least in part, of transmitting an electric potential from the skin which can be measured. The structures may or may not limit the depth of application, and/or anchor the electrode or other device during normal application, and/or allow for uniform application of the electrode or other device over unprepared skin.

In electrocardiography (ECG) system, a patient cable connecting one or more electrodes to a processing device for processing ECG signals may include one or more electrode connectors mechanically keyed to respective electrodes and/or a device connector mechanically and/or electronically keyed to a cable connector of the processing device. In some embodiments, keying between the cable and electrode is achieved, for example, with an electrode including a hollow-post portion that defines a bore in conjunction with a post protruding from an arm of the electrode connector that is sized to fit within the bore.

The present invention provides a novel wearable sensor module system. According to an embodiment, the novel wearable sensor module system includes a wearable electronic sensor module, a multi-layer conductive fabric at least a magnetic fixture, and at least a metallic fixture, wherein said multi-layer fabric makes contact with the metallic fixtures for providing a stable and durable electronic signal communication with the electronic sensor. The electronic sensor module includes an electronic sensor and an electronic contact magnetic fixture. The multi-layer fabric sensor includes an electrically conductive fabric member, a basic fabric and a semiconductor coated fabric. The electrically conductive fabric member and semiconductor coated fabric are in communication with the metallic fixture and magnetic fixture. Further, the metallic fixture is coated with a durable nano particle coating to provide low resistance electrical contact and additional coating to support washable module.

According to an example aspect of the present invention, there is provided a female snap connector with a base and a cap which opposes the base and forms a depth for the snap connector. The female snap connector further includes a socket that is formed into the cap for receiving the stud of a co-operational male snap connector. The base material of the female snap connector is or comprises a conductive polymer. The socket is set to deform elastically for complying to the passage of the complementary shape of the stud within the socket during insertion and removal of the stud in the depth dimension of the female snap connector.

According to an example aspect of the present invention, there is provided a female snap connector with a base and a cap which opposes the base and forms a depth for the snap connector. The female snap connector further includes a socket that is formed into the cap for receiving the stud of a co-operational male snap connector. The base material of the female snap connector is or comprises a conductive polymer. The socket is set to deform elastically for complying to the passage of the complementary shape of the stud within the socket during insertion and removal of the stud in the depth dimension of the female snap connector.

A compact ECG snap connector is disclosed. A channeled U shaped body is formed from a thin sheet of electrically conductive and resilient material. The body is dimensioned to be compatible with standard ECG snap connector pins, and can be fastened to a printed circuit board. Fixed structures located in proximity to the channeled U shaped body provide mechanical restrictions on the expansion and contraction of the channeled U shaped body's aperture.

A compact ECG snap connector is disclosed. A channeled U shaped body is formed from a thin sheet of electrically conductive and resilient material. The body is dimensioned to be compatible with standard ECG snap connector pins, and can be fastened to a printed circuit board. Fixed structures located in proximity to the channeled U shaped body provide mechanical restrictions on the expansion and contraction of the channeled U shaped body's aperture.