Patent · US Expired

Optical gastrostomy and jejunostomy

US5989231A · kind A · utility

36Cited by
18References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 15, 1998
Grant dateNov 23, 1999
Priority date
Expiry dateJan 15, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B1/00082
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An optical feeding tube includes an elongated sheath having a first lumen for delivering nutrients to a gastro-intestinal tract and an imaging device disposed in a second lumen. The imaging device provides visualization of an area adjacent a distal end of the elongated sheath. The imaging device can be an optical fiber extending from a proximal end to a distal end of the elongated sheath. The optical feeding tube can also include a retention device.

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