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SURGICAL SUTURES FOR OPHTHALMOLOGY ONATEC® is a registered trademark of FSSB Chirurgische Nadeln GmbH, Jestetten, Germany, exclusively distributed by GEUDER AG (in most countries) PREMIUM SURGICAL SUTURES Surgical sutures are certified medical devices, which re- Geuder AG offers a broad portfolio of surgical needles place the mechanical bridging function of missing tissue and sutures from Onatec® for almost all ophthalmic integrity in the short, medium or long term. For quick surgical indications that require precise stitches. ® and good wound healing, the sutures should create the Onatec sutures meet the highest surgical demands ® greatest possible contact between the separated tissue and yield optimal results with little scarring. Onatec parts. Demanding ophthalmic surgical applications stands for quality products made in Germany, which require high-quality sutures for the best possible wound were developed with leading surgeons to offer adaptation while at the same time minimizing tissue practical and effective solutions for ophthalmology. trauma. THE NEEDLES – HIGHEST PRECISION IN ITS SMALLEST SCALE ® Onatec needles are made from a highly tempered and virtually unbreak- able special steel with high bending resistance. Due to the innovative and highly automated manufacturing process, precise needle geo- metries and accurate needle grinds can be realized, which enable stitching of the finest types of tissue in the smallest space. The high-quality surface finishing of many Onatec® needles offers optimal penetration and thus little trauma to the tissue. The result is a reliable wound adaptation with barely visible scars for the best possible restoration of tissue function. 2 QUALITY FACTORS OPTIMIZED PENETRATION FOR THE HIGHEST OPHTHALMIC SURGICAL REQUIREMENTS: Penetration Test of Reverse Cutting Needles Acculine test device – Test media : Povar foil 0.4 mm (Source: FSSB Chirurgische Nadeln GmbH) 0,7 Competitor A, rev. cut. 25-68 0,6 Competitor B, rev. cut. 25-68 0,5 Optimized penetration ® better* Onatec , DDK 2568 0,4 ce [N] Plastic surgery needle of market leader 0,3 Optimized penetration For ® 0,2 Onatec , DDKL 2568 0,1 * less penetration force required 0 0 100 200 300 400 Depth [μm] STEEL QUALITY QUALITY FEATURES OF ONATEC® NEEDLES: NEEDLE NEEDLE · High resistance to bending and breakage GEO TIP METRY SHAPE · Optimized penetration · Accurate grind of the needle tip shape · Low tissue trauma SURFACE FINISHING QUALITY FACTORS 3 NEEDLE PROPERTIES SUTURE TECHNIQUE AND TISSUE DETERMINE THE SPECIFICATIONS OF THE NEEDLE THE FOLLOWING FEATURES HAVE AN IMPACT: Chord length (stitch width) · Needle shape (cross-section) Suture · Needle tip Needle tip Shaft / Swage · Needle diameter · Curvature Needle diameter · Arc length (needle length) Needle Body · Armed (The choice between single and double armed enables different techniques Radius (depth of stitch) or a more cost-effective use) Ar h) c length (needle lengt NEEDLE SHAPE AND NEEDLE TIP * ** *** * ** *** * ** *** RS = Taper Point DS = Taper Cutting DSL = Soft Cutting Point * ** *** * ** *** DK = Reverse Cutting LZ(L) = Spatula * Cross-section needle tip ** Cross-section needle body *** Cross-section suture channel 4 NEEDLE PROPERTIES
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