Patent · US Expired

Borescope apparatus

US4991957A · kind A · utility

37Cited by
4References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 1988
Grant dateFeb 12, 1991
Priority date
Expiry dateSep 6, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B1/042
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A borescope apparatus having a borescope and a pressurized fluid supply device. The borescope has an operation unit and an insertion unit. The insertion unit comprises a bending tube portion, a jet port member coupled to a proximal end of the bending tube portion, and a flexible tube portion. The bending tube portion can be bent by operating the operation unit. The jet port member has a jet port. A pressuring fluid is supplied from the fluid supply unit to the jet port member, and is ejected through the jet port. The flexible tube portion can be bent by a jet of the fluid from through the jet port independently of the bending tube portion.

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