Patent · US Expired

Catheter assembly

US4509944A · kind A · utility

21Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 1984
Grant dateApr 9, 1985
Priority date
Expiry dateMar 16, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M25/0014
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention provides a catheter assembly which comprises catheter tubing, a hollow needle and a guide member with a longitudinal bore there through for aiding insertion of the hollow needle into the catheter, which catheter assembly is characterized in that the longitudinal bore in the guide member has a narrower portion and a communicating broader portion, the narrower portion being adapted to receive in close fit the hollow needle and the broader portion being adapted to receive in close fit the catheter; whereby in use the catheter tubing may be positioned for insertion of the hollow needle.

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