By Ulrich Spandau, Mitrofanis Pavlidis
This publication presents step by step directions on tips to function with 27G instrumentation in a variety of surgical symptoms, together with vitreous floaters, macular holes, dropped nucleus, retinal detachment, diabetic retinopathy, submacular hemorrhage, retinopathy of prematurity and lots more and plenty trauma. All surgical procedures are approached in cookbook type, with preliminary insurance of the “ingredients” (devices and tools) after which meticulous description of guidance and function with aiding images, drawings and movies. moreover, the diversities and advantages compared to 23G and 25G vitrectomy are highlighted.
Small-gauge vitrectomy has noticeably replaced the ways that vitrectomy is played. 27G vitrectomy is the latest and most fun improvement in small-gauge vitrectomy. The therapeutic time is quicker however the small diameter prolongs the length of surgical procedure. This difficulty has been conquer with robust new vitrectomy machines and innovative vitreous cutters with slicing blades making 27G vitrectomy as quick as 25G. This new gear has increased the indicators for 27G surgical procedures immensely from detachment surgical procedure to retinopathy of prematurity and the appearance of latest tools could make 27G the top of the line sooner or later. This ebook, written through authors with large event in 27G vitrectomy, will let surgeons to totally make the most its advantages.
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Extra info for 27-Gauge Vitrectomy: Minimal Sclerotomies for Maximal Results
35) Indication: For aspiration of fluid and pressure control. It aspirates in fluid by capillary force and pressure difference. 6 Miscellaneous Fig. 41 A 10 ml silicone oil syringe which is filled with silicone oil. DORC Fig. 42 A 27G cannula is attached to the syringe for silicone oil injection. VFI04 Fig. 43 Silicone oil removal with plastic pipe for 20G–27G (DORC) Fig. 44 Vicryl 8-0 suture for suturing of conjunctiva and sclerotomies 37 38 2 Optimal Visualization, Optimal Instruments and Optimal Technique Fig.
1 Backflush Instrument (=Charles Flute Needle) (Figs. 35) Indication: For aspiration of fluid and pressure control. It aspirates in fluid by capillary force and pressure difference. 6 Miscellaneous Fig. 41 A 10 ml silicone oil syringe which is filled with silicone oil. DORC Fig. 42 A 27G cannula is attached to the syringe for silicone oil injection. VFI04 Fig. 43 Silicone oil removal with plastic pipe for 20G–27G (DORC) Fig. 44 Vicryl 8-0 suture for suturing of conjunctiva and sclerotomies 37 38 2 Optimal Visualization, Optimal Instruments and Optimal Technique Fig.
In old cutters one movement (forwards and backwards) results in one cut. 0 0 2000 4000 6000 8000 Cut rate [cpm] Fig. 9 Comparison of an old 23G cutter vs a new TDC 27G cutter. The new cutter has a stable flow in the complete cutting range from 0 to 8000 cuts/min. The old cutter has a high aspiration at 1000 cuts/min and a low aspiration at 8000 cuts/min TDC cutter Regular cutter Comparison 23G TDC 23G regular 164 % 25G TDC 25G regular 176 % 27G TDC 27G regular 150 % 27G TDC 23G regular 48 % 27G TDC 25G regular 71 % 27G TDC 27G regular 150 % Fig.