The system is colorcoded with instrumentation arranged in order of procedure flow for greater efficiency. Oct 25, 2015 the headless compression screw hcs, synthes inc, west chester, pa, usa is a cannulated selfdrilling, selftapping, nonvariable pitch screw available in 2. Instructions for use plate and screw implants associated device systems with these instructions for use. Follow the cleaning and sterilization instruction given by the synthes important information. Release the screw holding sleeve prior to final tightening.
The pins of one interlocking section moveably engage the sockets of a second. A guide pin is secured within a cannulated screwdriver. Stanley asnis, md invented the cannulated screw in the 1980s, which became a major facilitator for advancing minimally invasive surgery in orthopaedics. Cannulated screws are used in bone and joint surgery to repair breaks and to secure artificial implants which may be used to replace part or all of a joint. This site is intended for visitors from the africa, asia, europe, latin america and pacific. Synthes cannulated screws k962011 k963172 k963192 k021556 osteomed extremifix cannulated screw system k063298 k151021 device description the tiger cannulated screw system is a headed and headless, cannulated, selfdrilling, selftapping screw system for the management of bone orth opedic osteotomies and trauma.
This site is published by depuy synthes companies which is solely responsible for its content. Insert screw using the cannulated screwdriver with elastosil handle and the screw holding sleeve, insert the selected screw over the guide wire. The aap cannulated screw system has not been evaluated for safety and compatibility in the mr environment. The screw would not advance even when attached to the power screwdriver shaft. Management of cannulated screw failure and recurrent scfe. Cannulated screw system consist of a solid guide wire, a hollow drill bit that is placed over the guide wire to screw which is inserted over the guide wire by means of a hollow screw driver.
Electronic instructions for use depuy synthes companies. Arthrodesis of the interphalangeal joint kent state university. Multiple styles availablepictures are representative and may not include all models available 03. Cannulated screw systems stanley asnis, md invented the cannulated screw in the 1980s, which became a major facilitator for advancing minimally invasive surgery in orthopaedics. Insert the cannulated screwdriver through the compression sleeve into the recess of the. A cannulated screw is generally made of stainless steel or titanium and is selftapping, which means it can cut its own path through bone as it is screwed into place. Matching a combination of screw options with necessary instrumentation, the systems provide convenience and flexibility for the orthopaedic surgeon and the or staff. Surgical techniques stepbystep installation methods.
The headless compression screw technical challenges in. Used synthes has the resources and expertise to provide your organization with the highest quality medical equipment at substantial savings. The guide pin includes a mark for indicating the depth of insertion of an end of the pin. Then place the appropriately sized cannulated drill bit over the guide wire and drill through the drill guide. Used synthes buy sell used medical equipment local. Cannulated screws, guide wires, drill bits and taps screw diameter mm thread diameter 2. The asnis micro system is designed to facilitate surgical procedures by simplifying screw placement, insertion and removal.
Stanley asnis, md, pioneered the development of cannulated screws in the 1980s, which became a major facilitator for advancing minimally invasive surgery in orthopaedics. The aap cannulated screw system has not been tested for heating or migration in the mr environment. We offer one of the worlds most comprehensive portfolios of orthopaedic products and services in the areas of joint reconstruction, trauma, spine, sports medicine, craniomaxillofacial, power tools and biomaterials. Synthes is a registered trademark of that corporation. Always verify both guide wire and screw position with periodic image intensification. A guide pin that has penetrated the joint space must be removed completely and be reinserted in a different position. Hex drivers, extractors, trephine tips, chucks with keys, screw removal systems, cruciform patterns, and complete sets are available. The screw may be removed by using the drivers indicated in table 6.
Apr 17, 2020 cannulated screws are used in bone and joint surgery to repair breaks and to secure artificial implants which may be used to replace part or all of a joint. Small screw diameters, with low profile screw heads and the cutting characteristics of the asnis micro cannulated screws are combined to meet the surgeons needs in. Used synthes has the resources and expertise to provide your organization with the highest quality. The cannulated hex driver is intended to be used for the placement of 6. A cannulated conical extraction screw synthes r screw extraction set commonly referred to as an easy out device fig 3 was then inserted over the guidewire. A pinlocked cannulated screwdriver assembly and method for the endosteal fixation of a graft by screw insertion by drilling a graft tunnel through adjacent bone masses and extending a graft attached between bone blocks under tension in the graft tunnel. This site is published by the depuy synthes companies, which are solely responsible for its content. Locking screws, guide wires, drill bits and taps screws, drill bits and taps selftapping and nonselftapping screws screw diameter mm thread diameter 1. Compare to kmedic, synthes, depuy, zimmer, innomed, and aesculap. With regard to screw performance, the deep cutting threads on the 7. The proximal thread length is fixed and the distal thread length increases with screw length, although. Prior to steamsterilization, place the product in an approved wrap or contain er.
A flexible cannulated drive shaft having a plurality of interlocking sections having multiangled dovetails cut into the drive shaft. A guide wire was then threaded back through the screw allowing the cannulated screw driver to be easily seated within the screw head and the proximal screw fragment was removed. When the screw tip entered the metatarsal, it became difficult to advance due to the narrower corridor. Use medical devices in accordance with their labeled indications and the manufacturers. All screws are cannulated in order to be used over a guide wire, and each screw is either partially or fully threaded using a cancellous thread form. Synthes products supplied in a nonsterile condition must be cleaned and steamsterilized prior to surgical use. Depuy synthes cannulated compression headless screws cchs. Hex driver bits in a variety of sizes, notched and unnotched, small and mini quick coupling holding sleeves not included. Clear any tissue overgrowth from the screw head recess. Two semielliptical incisions are made over the hal lux interphalangeal joint and a wedge of skin re moved. Synthes cannulated hexagonal screwdriver shaft, 27 cm. The acumed cannulated screw system is intended for fixation of fractures, fusions, and osteotomies of large and small bones appropriate for the size of the device. The evidenced broken surface is homogenous but with irregular peaks and shows a directional clockwise torsion break.
Browse for products by specialty and subspecialty or by instrument type. Each dovetail design is made up of substantially triangularshaped pins and substantially triangularshaped sockets that alternate around the circumference of each interlocking section. Cannulated screw insertion the proper length cannulated lag screw is then placed over the guide pin and inserted either with power using the screwdriver shank pn 329700 attached to the power adaptor pn 329704, or manually with the screwdriver shank attached to the thandle pn 329702. Cannulated screw washer height a width b depth art. Small screw diameters, with low profile screw heads and the cutting characteristics of the asnis micro cannulated screws are combined to meet the surgeons needs in their daily practice. During orthopedic surgical procedures that aim to repair a broken bone or to secure two bone fragments, screwdrivers are used to secure screws in plates. Synthes screw reference chart cambridge orthopaedics. Femoral neck fractures slipped capital femoral epiphyses as an adjunct to dhs in basilar neck fractures.
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