THE OS4 IN GLAUCOMA SURGERY
High Frequency Deep Sclerotomy (HFDS)
In the treatment of primary open-angle glaucoma, Oertli's HFDS ab interno MIGS technology delivers promising long-term results in the reduction of IOP 1. HFDS provides direct access from the anterior chamber to the Schlemm's canal and further into the sclera. The HFDS glaucoma tip is inserted through a 1.2 mm paracentesis and uses high-frequency diathermy to place small sclerotomy pockets in the iridocorneal angle, aiming to improve the outflow of aqueous humour. Clinical studies have confirmed a long-term and significant reduction (six years) in IOP and a reduction in anti-glaucoma medications (AGMs) 4.
How does HFDS work?
Instruments
| Diathermy handpiece, reusable | |
| VE201710 | Diathermy handpiece, long, reusable |
| VE201712 | Diathermy handpiece, short, reusable |
Do you want to know more?
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High Frequency Deep Sclerotomy, Dr Florian Sutter, Ophthalmology Times Europe, 2022
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Triggerfish Recording of IOP Patterns in Combined HFDS Minimally Invasive Glaucoma and Cataract Surgery, Journal of Clinical Medicine, 2021
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Ab Interno Approach with No Implant Needed, The Ophthalmologist, 2021
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High-Frequency Deep Sclerotomy, A Minimal Invasive Ab Interno Glaucoma Procedure Combined with Cataract Surgery: Physical Properties and Clinical Outcome, Eye Clinic Orasis, 2019
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The Efficacy and Safety of High-Frequency Deep Sclerotomy in Treatment of Chronic Open-Angle Glaucoma Patients, Research Institute of Ophthalmology Cairo, Cairo University Faculty of Medicine, 2019
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Ab-Interno Deep Sclerotomy in Eight Simple Steps, Cataract & Refractive Surgery Today Europe, 2017
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The Future Way of Phaco & MIGS Surgeries - Highlights from ESCRS Satellite Symposium, The Ophthalmologist, 2015
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HFDS Glaucoma Procedure, Dr. Bojan Pajic, European Opthalmic Review, 2012
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New Minimally Invasive, Deep Sclerotomy ab interno Surgical Procedure for Glaucoma, Six Years of Follow-up, Dr. Bojan Pajic, Journal of Glaucoma, 2011
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MAKING THE DIFFERENCE WITH UNIQUE ADVANTAGES
«HFDS offers three unique advantages in glaucoma surgery.
First, in about 70% of cases no postoperative treatment with medication is required. The second and biggest advantage in my opinion is that trabeculotomy and trabeculoplasty can be replaced by HFDS. Third, HFDS and phaco act additively and thus an IOP reduction of up to 13 mmHg can be achieved D.»Dr. Gonzalo Murillo AzcarragaInstituto Privado de Oftalmología La Paz, Bolivia -
MAKING THE DIFFERENCE WITH A MODERN GLAUCOMA METHOD
«Thanks to the modern HFDS method from Oertli, I am able to work quick and safe with little effort. It is also a good alternative to implants or filter surgery. The result speaks for itself - many patients are well regulated even after months without glaucoma drops D.»
PD Dr. med. Hans-Joachim HettlichAugen Praxisklinik Minden, Germany -
MAKING THE DIFFERENCE WITH EXCELLENT LONG-TERM RESULTS
«HFDS convinces me because the procedure is very easy to perform, highly controllable and with few complications. Thanks to HFDS, excellent long-term results are achieved, resulting in fewer follow-up treatments for patients D.»
Dr. med., F.E.B.O. Lutz BlombergAugenzentrum Hildesheim-Alfeld, Germany -
MAKING THE DIFFERENCE IN GLAUCOMA SURGERY
«For me, HFDS is an easy to apply MIGS solution, which convinces not only because of the fast rehabilitation post-op. High frequency diathermy is used to reduce the outflow resistance and shows excellent eye pressure reduction. HFDS can be excellently combined with cataract surgery D.»
Prof. Bojan PajicEye Clinic Orasis, Reinach, Switzerland
Cataract surgery
Innovations such as HF capsulotomy and easyPhaco are developments that aim to make cataract surgery faster and more efficient.
Vitreoretinal surgery
In vitrectomy, the OS 4 impresses thanks to its established fluidics concept and Power LED light source