Patent · US Active

Drive mechanism for a needle insertion arrangement

US10173001B2 · kind B2 · utility

4Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2014
Grant dateJan 8, 2019
Priority date
Expiry dateApr 4, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/1585
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention relates to a drive mechanism (9) for a needle insertion arrangement (1), the drive mechanism (9) comprising: —an actuator (5), —a needle retainer (7) adapted to retain an injection needle (2) and linearly movable in a distal direction (D) and a proximal direction (P) for moving an injection needle (2), —a cam (17) arranged on or coupled to the needle retainer (7), —a guide curve (16) adapted to be rotated by the actuator (5) about an axis (12) aligned in the distal direction (D) and the proximal direction (P) and adapted to engage the cam (17), wherein the guide curve (16) comprises a sloped section (16.2) such that the needle retainer (7) is moved on rotation of the guide curve (16).

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