# US 2010/0168593 A1 · Portable electrocardiograph > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0168593 A1 - Document ID: US20100168593A1 - Status: Published application - Kind: A1 - Application number: 12/278,935 - Filed: 2006-12-12 - Published: 2010-07-01 - Earliest claimed: 2006-02-10 - Assignees: Omron Healthcare Co., Ltd. - Inventors: Yusaku Sakoda; Norihito Yamamoto - Web page: https://patentgrep.com/patent/US20100168593A1 ## CPC - A61B 5/332: Portable devices specially adapted therefor - A61B 5/02438: {with portable devices, e.g. worn by the patient} - A61B 5/0245: by using sensing means generating electric signals, {i.e. ECG signals} - A61B 5/26: maintaining contact between the body and the electrodes by the action of the subjects, e.g. by placing the body on the electrodes or by grasping the electrodes - A61B 5/273: Connection of cords, cables or leads to electrodes - A61B 5/28: for electrocardiography [ECG] - A61B 2560/0468: Built-in electrodes - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract In a portable electrocardiograph (100), including a negative electrode (121) to be contacted by a hand of a subject and a positive electrode (122) to be contacted to a predetermined measurement site of a subject, for measuring an electric signal detected by the negative electrode (121) and the positive electrode (122) as an electrocardiographic waveform, springs (190a, 190b, 190c, 190d) for supporting the positive electrode (122) in a freely oscillating manner are arranged in a body unit (110) including the negative electrode (121) and a processing circuit for measurement. Thus, a portable electrocardiograph that excels in handleability and that enhances the contacting stability between the electrode and the measurement site can be achieved. ## Claims ### Claim 1 A portable electrocardiograph comprising: a first electrode to be contacted by a hand of a subject; a second electrode to be contacted to a predetermined measurement site of the subject; a measurement unit for measuring an electric signal detected by the first electrode and the second electrode as an electrocardiographic waveform; a first housing including the first electrode and the measurement unit; and an oscillating and supporting mechanism, arranged in the first housing, for supporting the second electrode in a freely oscillating manner. ### Claim 2 (depends on 1) The portable electrocardiograph according to claim 1, wherein the first housing has an electrode formed face arranged with the first electrode, and a first face positioned on the opposite side of the electrode formed face; the second electrode has a contacting face which contacts the measurement site, and a second face positioned on the opposite side of the contacting face; and the oscillating and supporting mechanism couples the first face and the second face. ### Claim 3 (depends on 2) The portable electrocardiograph according to claim 2, further comprising a detection unit for detecting whether or not the second electrode is pressed against the measurement site. ### Claim 4 (depends on 3) The portable electrocardiograph according to claim 3, wherein the detection unit includes a button arranged on the first face and projected out towards the second face side in an unused state, and a push detection unit for detecting whether or not the button is pushed; and the detection unit instructs start of measurement by the measurement unit when the pushing of the button is detected. ### Claim 5 (depends on 1) The portable electrocardiograph according to claim 1, further comprising: a second housing arranged with the second electrode; and the oscillating and supporting mechanism couples the first housing and the second housing. ### Claim 6 (depends on 5) The portable electrocardiograph according to claim 5, wherein the first housing has a first electrode formed face arranged with the first electrode, and a first face positioned on the opposite side of the first electrode formed face; the second housing has a second electrode formed face arranged with the second electrode, and a second face positioned on the opposite side of the second electrode formed face; and the oscillating and supporting mechanism couples the first face and the second face. ### Claim 7 (depends on 6) The portable electrocardiograph according to claim 6, further comprising a detection unit for detecting whether or not the second electrode is pressed against the measurement site. ### Claim 8 (depends on 7) The portable electrocardiograph according to claim 7, wherein the detection unit includes a button arranged on the first face and projected out towards the second face side in an unused state, and a push detection unit for detecting whether or not the button is pushed; and the detection unit instructs start of measurement by the measurement unit when the pushing of the button is detected. ### Claim 9 (depends on 1) The portable electrocardiograph according to claim 1, wherein the oscillating and supporting mechanism includes an elastic body. ### Claim 10 (depends on 1) The portable electrocardiograph according to claim 1, wherein the oscillating and supporting mechanism includes a fluid bag containing fluid. ### Claim 11 (depends on 1) The portable electrocardiograph according to claim 1, wherein the oscillating and supporting mechanism includes a universal joint.