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NEW METHOD FOR MINIMALLY INVASIVE MICROSURGERY AND SURGICAL SMOKE

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NEW METHOD FOR MINIMALLY INVASIVE MICROSURGERY AND SURGICAL SMOKE Powered By Docstoc
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NEW METHOD FOR MINIMALLY INVASIVE MICROSURGERY AND
SURGICAL SMOKE MANAGEMENT

Efficient and safe method to remove surgical smoke produced by laser or
electrosurgical instruments form very small endoscopic cavities.
Priv.-Doz.Dr. Dietmar Mattes and Dr. Monika Mayer, Department of Ophthalmology and DI Edah Silajdzic


                                                                      TECHNICAL ADVANTAGES
Surgical smoke occurs during Laser ablation and
electrocautery diathermia. During these procedures
                                                                      9 suitable for all endoscopic smoke producing
incomplete combustion emerges which creates ha-
                                                                        procedures
zardous surgical smoke.
                                                                      9 high volume smoke evacuation
Surgical smoke contains: water vapour, carbon dio-
                                                                        simultaneously with intracavitary
xide, carbon monoxide, ammoniac, hydrogen cyani-
                                                                        pressure control
de, volatile organic compounds (aldehyde, benzene,
                                                                      9 even suitable for very heavy smoke
toluene...), surgical particulate matter, carried away
                                                                        producing procedures like laser
tissue fragments, aerosols...
                                                                        endovaporisation
Furthermore surgical smoke is:
                                                                      9 enables further endoscopic minaturization for
– Cytotoxic
                                                                        minimally invasive surgery
– Mutagenic
                                                                      9 separated or integrated in endoscope
– Carcinogenic
                                                                      9 suitable for established and new surgical
– Teratogenic
                                                                        applications
This is hazardous for surgery personal and pati-
ents! Moreover surgical smoke causes sight
                                                                      HEALTH ADVANTAGES
obstruction for the surgeon.

                                                                      9 minimizing smoke exposure for patient
SPECIFICS OF ENDOSCOPIC SURGERY
                                                                        and surgery personal
Working in a closed cavity where leakage of surgical
                                                                      9 minimizing risk of gas embolism
smoke on its own is not possible. Amplification of
                                                                      9 prevents sightobstruction for the surgeon
cytotoxic, mutagenic and carcinogenic effect in this
closed cavity.
                                                                      COLLABORATION DETAILS
Carbon monoxide has systemic effects on cardio-
                                                                      Collaboration can be in the form of a license agreement or
vascular system.Risk of gas embolism because only
                                                                      a research cooperation.
limited gas exchange is possible. Surgical smoke
                                                                      Partner should provide support in manufacturing, marke-
causes sight obstruction for the surgeon.
                                                                      ting, advertising and distribution of the system.
                                       Fig.1: An experimental
                                       sucking tube with an inner     Possible Partners:
                                       diameter of 1.0 mm was
                                       completely choked after
                                                                      9 manufacturer or developers of medical devices
                                       25 s of sucking surgical       9 research institutes and companies
                                       laser smoke. A transpa-
                                       rent silicone rubber tube
                                       was used instead of the
                                       steel needles used in the
                                                                      DEVELOPMENT STATUS               CONTACT
                                       preceding experiments to       9 patent pending
                                       permit better visualization                                     Dr. Heidi Schmitt
                                       of the perimental sucking      9 working prototype models
                                       tube (2). B The sucking
                                                                                                       Technology Transfer Office
                                       tube (1)was cut longitu-                                        Auenbruggerplatz 2
                                       dinally after the sucking                                       A-8036 Graz
                                       experiment to permit                                            +43-316-385-72018
                                       visualization of the soot(2)                                    heidi.schmitt@medunigraz.at


                                                                                                              OKTOBER 2010

				
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posted:10/13/2011
language:English
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