Patent · US Active

Device for administering a fluid

US11534550B2 · kind B2 · utility

2Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 2019
Grant dateDec 27, 2022
Priority date
Expiry dateDec 25, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/3128
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A device for administering a fluid is provided, with The tensioning device (S) has a ramp (52) which is rotatable by means of a motor (12) and has a ramp track (53) extending along a helical line, The tensioning device (S) furthermore has a roller (51) which is in contact with the ramp track (53) and is mounted rotatably in a driver (50), which is connected to that end of the piston rod (35, 135) which protrudes out of the cylinder (16, 116), and therefore, upon rotation of the ramp (52), the ramp track (53) runs below the roller (51), which thereby rotates,

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