Patent · US Expired

Check valve for a trocar system

US7322964B2 · kind B2 · utility

5Cited by

8References

8Claims

0Family size

Assignee

Gebrueder Pajunk Besitzverwaltung OHG · DE

Inventors

Heinrich Pajunk · Geisingen, DE
Horst Pajunk · Geisingen, DE

Key dates

Filing date	Jun 1, 2004
Grant date	Jan 29, 2008
Priority date	—
Expiry date	Jun 1, 2024

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/3498
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A flap valve for a trocar system including a valve housing (12) that is proximally attachable to a guide tube (10), a lead-through opening (30) formed in the valve housing (12), and a pivotally mounted flap valve (46). The flap valve (46) is manually pivotable from a “closed” position to an “open” position via a slide rod. The slide rod (52) is mebedded in the body (12), is radially slidable and contacts with its inner end an actuation area of the flap valve (46).

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