{"number":"US12697443B2","kindCode":"B2","documentType":"grant","title":{"original":"Air detection method for pumps with volume measurement","english":"Air detection method for pumps with volume measurement"},"abstract":{"original":"Methods of air detection in pumps are described herein. In certain embodiments, a pump for detecting air includes a plunger, a plunger air detection module, a camshaft, and a first biasing member. The plunger is movable to selectively engage a tubing segment with a fluid. The plunger air detection module is disposed within the plunger. The camshaft is configured to move the plunger between an engaged position in contact with the tubing segment and a disengaged position spaced apart from the tubing segment.…","english":"Methods of air detection in pumps are described herein. In certain embodiments, a pump for detecting air includes a plunger, a plunger air detection module, a camshaft, and a first biasing member. The plunger is movable to selectively engage a tubing segment with a fluid. The plunger air detection module is disposed within the plunger. The camshaft is configured to move the plunger between an engaged position in contact with the tubing segment and a disengaged position spaced apart from the tubing segment.…"},"applicants":["CareFusion 303, Inc."],"inventors":["Frank CAI"],"filingDate":"2023-05-09","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697443B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697443B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697443B2","ja":"https://downloadpatent.com/ja/patent/US12697443B2"}}