Patent · US Expired

Devices and methods for percutaneous surgery

US6679833B2 · kind B2 · utility

493Cited by
67References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 2001
Grant dateJan 20, 2004
Priority date
Expiry dateSep 2, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/373
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Methods and devices for performing surgery in a patient are provided. A cannula provides a working channel for access to a location in the patient. A clamp assembly is removably engaged to the cannula. The clamp assembly allows use of an endoscopic viewing system or can be removed to allow use of a microscopic viewing system in order to view the surgical site in the patient through the working channel. The clamp assembly includes a viewing element mounting portion having a length along which an endoscopic viewing element can be selectively positioned.

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