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DIFF Subgroup
A61B 5/318

Heart-related electrical modalities, e.g. electrocardiography [ECG]

Introduced: January 2021

Full Title

Full titles differ between systems:

IPC:

Measuring for diagnostic purposes; Identification of persons > Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof > Modalities, i.e. specific diagnostic methods > Heart-related electrical modalities, e.g. electrocardiography [ECG]

CPC:

Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons > Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof > Modalities, i.e. specific diagnostic methods > Heart-related electrical modalities, e.g. electrocardiography [ECG]

IPC and CPC are identically structured here. All 12 subcodes exist in both systems.

IPC defines codes here since 2021.

Child Classifications

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  • A61B 5/319 Circuits for simulating ECG signals since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/325 Preparing electrode sites, e.g. by abrasion since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/327 Generation of artificial ECG signals based on measured signals, e.g. to compensate for missing leads since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/329 Load diagnosis, e.g. cardiac stress tests since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/33 specially adapted for cooperation with other devices since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/332 Portable devices specially adapted therefor since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/344 Foetal cardiography since 2021 IPC+CPC Available in IPC and CPC
  • A61B 5/367 Electrophysiological study [EPS], e.g. electrical activation mapping or electro-anatomical mapping since 2021 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513