[A New Visualization Device for ENT Surgery : the Panoramic Visualization System (HD-PVS)]

Overview

Journal HNO

Specialty Otorhinolaryngology

Date 2009 Apr 22

PMID 19381468

Citations 1

Authors

G Strauss

M Hofer

N Bahrami

E Dittrich

M Strauss

A Dietz

Affiliations

Soon will be listed here.

Abstract

Background: This work examines the application possibilities of the panoramic visualization system (HD-PVS) in ENT surgery. The HD-PVS is a new optical system that is neither an endoscope nor a microscope. It has a focal length of 200 mm and a wide field of view.

Patient And Methods: The analysis of the visualization quality took place under laboratory conditions at 4 close-to-surgery scenarios with a total of 40 result values. Furthermore, the system was used for 45 operative procedures on patients (tympanoplasty, parotidectomy, neck dissection, septumplasty, transfacial approaches). The results were analyzed following the ICCAS workflow-scheme and with standardized questionnaires.

Results: The analysis of the visualization quality of the PVS exhibited the best total evaluation in 2 out of 4 scenarios, in 1 scenario HD-PVS attained the maximum score possible, as did the microscope and the endoscope was better than HD-PVS in 1 scenario. The microscope was never evaluated as being better than HD-PVS. Apart from its use in middle ear surgery, the HD-PVS can be considered operational in 4 out of 5 clinical applications with only slight modifications.

Consequences: The advantages of HD-PVS over gold standards such as the surgical microscope are lower initial costs for the optical system with frequently already existing HD-video system, smaller space requirements, equal or sometimes better visualization quality, possibility of videoendoscopic representation of surgery and better ergonomic conditions.

Citing Articles

[Clinical use of a micromanipulator system: preliminary clinical experience in middle ear surgery].

Strauss G, Maier T, Krinninger M, Berger T, Dietz A, Luth T HNO. 2012; 60(9):807-13.

PMID: 22767192 DOI: 10.1007/s00106-012-2540-z.

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