Patent · US Expired

Trocar system

US5800451A · kind A · utility

128Cited by

4References

10Claims

0Family size

Assignee

WILLY RUSCH GmbH · DE

Inventors

Gerhard Buess · Tübingen, DE
Andreas Melzer · Bad Hersfeld, DE
Franz Jakoubek · Liptingen, DE
Joachim Krauter · Bad Marienberg, DE

Key dates

Filing date	Oct 25, 1996
Grant date	Sep 1, 1998
Priority date	—
Expiry date	Oct 25, 2016

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/0813
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A trocar system (10) comprises a trocar tube (11), a trocar plunger (12) and a valve housing (13) formed on the end of the trocar tube (11) facing away from the patient. The trocar tube (11) is produced from a flexible material which is stabilized by a spiral (22). The trocar tube (11) has a taper at the end (21) next to the patient which can be supported at a circular shoulder (15) with the trocar plunger (12) inserted into the trocar tube (11). The trocar tube (11) can be bent in the direction of arrow (23) and stretched in the direction of arrow (24).

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