Patent · US Active

Infusion pump including syringe plunger position sensor

US9514518B2 · kind B2 · utility

15Cited by

227References

14Claims

0Family size

Assignee

Baxter International Inc. · US

Inventors

John Gillespie, Jr. · Libertyville, US
Ralph H. LaBedz · McHenry, US
Michael Kenneth Platt · Rantoul, US
Ronald H. Spang, Jr. · Kenosha, US
James Frei Berrill · Cary, US
Matthew Stephen Vogel · Round Lake, US
Michelle Kowalski Greaney · Grayslake, US

Key dates

Filing date	Mar 17, 2014
Grant date	Dec 6, 2016
Priority date	—
Expiry date	Jul 31, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2209/086
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An infusion pump includes a housing having a compartment structured to receive a syringe and a drive mechanism supported by the housing. The drive mechanism is structured and arranged to contact a syringe plunger of the syringe and move the syringe plunger within a syringe barrel of the syringe. The infusion pump further includes a syringe plunger position sensor and a syringe barrel size sensor. The sensors each include a magnet positioned on the drive mechanism and a magnetic sensor array supported by the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.