Patent · US Expired

Biopsy device

US4249541A · kind A · utility

117Cited by
8References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 26, 1979
Grant dateFeb 10, 1981
Priority date
Expiry dateApr 26, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2217/005
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A biopsy unit comprising an outer catheter, and an inner aspirator, the catheter including a longitudinally extending hollow flexible housing tube and means for gripping the aspirator, the aspirator including a longitudinally extending hollow flexible aspirating tube adapted to slide longitudinally within the housing tube when not gripped by the gripping means, a connector adapted to be fitted to a suction source and fastened to one end of the aspirating tube, and a hollow needle fastened to the other end of the aspirating tube, the lumen of the needle communicating with the connector through the aspirating tube.

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