A61M 60/427 the force acting on the blood contacting member being hydraulic or pneumatic
Introduced: January 2021
Full Title
Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance > Details relating to driving > for positive displacement blood pumps > the force acting on the blood contacting member being hydraulic or pneumatic
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
Filing statistics
IPC A61M 60/427 belongs to the parent subclass A61M, which recorded 625,206 patent applications worldwide between 2013 and 2023. Annual filings grew from 34,933 in 2013 to 61,902 in 2023 (+77%), peaking at 84,326 applications in 2020. The most active applicants in class A61 are PHILIPS ELECTRONICS (18,523 applications), NOVARTIS (14,253 applications) and COVIDIEN (13,953 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- A61M 60/43 using vacuum at the blood pump, e.g. to accelerate filling
- A61M 60/432 with diastole or systole switching by stopping or reversing the blood pump operating at a much higher cyclical speed than the heart beat
- A61M 60/435 with diastole or systole switching by valve means located between the blood pump and the hydraulic or pneumatic energy source
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594