Confidence in over 25,000 sold4 modular stem and head provide over 320 size combinations to match variable anatomy smooth stem implant design supported by two long term studies 8year1 and 12 year2 average follow up simple design has no polyethylene, moving parts or set screws to wear out over time prospective data show proven performance. This is due to the 7090 angle between the two plates. This free online tool allows to combine multiple pdf or image files into a single pdf document. Anatomic radial head aculoc distal radius plates polarus proximal humerous plate mayo elbow plates calcaneal plate system foot and ankle plates fibula rod system. They may occur in isolation or associated with several complex injuries of the elbow. The ellipsoid shape of the implant is intended to mimic the natural radial head. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. If plate bending is necessary, please refer to step 29 in this surgical technique guide. This latest addition to our anatomic radial head solutions offers further refinements to the first and only anatomically shaped radial head. Comparison of precontoured lowprofile radial head plates bulky implants may lead to symptomatic soft tissue irritation after open. The acumed anatomic radial head system is designed to provide an 2 mini and micro instruments and the locking radial head plate. Acumed acquires new elbow arthroplasty technology, adding. Plate features two points of radial styloid fixation oblong screw holes in plate head and shaft facilitate radial ulnar and proximaldistal plate translation leftrightspecific 316l stainless steel for.
This system o ers a family of precontoured plates designed for use in the safe zone of the radial head. The acumed anatomic radial head system is designed to provide an 2 mini and micro instruments and the locking radial. Elbow plating system is a comprehensive system designed to address fractures around the elbow. Be sure to inspect the plate for damage prior to use. The evolve triad system is designed to address fixation of the fractures commonly associated with this injury. The common occurrence of an anterolateral fracture fragment supports this theory. The system allows over 200 combinations of implants. The evolve modular radial head system employs the advantages of. Explor modular radial head trial reduction continued slide the slot located on the undersurface of the radial head along the ridge located on the proximal radial stem until the head is fully seated figure 10. Since 1988 acumed has been designing solutions to the demanding situations facing.
In some cases, a prosthetic replacement may be used to stabilize the elbow and forearm. The acumed s lowcontact plate designed specifically for ulnar shortening osteotomy demonstrated 100 % union rate and no implant removal in our series. We aimed to provide a reliable and safe parameter for the insertion of lateral distal humeral pins. The acumed anatomic radial head system includes the first anatomically shaped radial head. This versatile system of precontoured plates is designed for use in the radial head s safe zone and features a straightforward surgical. Case report comminuted radial head fractures treated by the acumed anatomic radial head system zhefei mou1, maohua chen2, yan xiong3, zhihang fan 3, aimin wang, ziming wang3 1department of orthopedics, wenzhou central hospital, affiliated dingli clinical institute of wenzhou medical uni. Acumed anatomic radial head prosthesis with acumed locking olecranon plate. Indications discuss indications and more general concerns. Plates for radial head rim available in right and left plates with a 5. Some fractures only need minimal treatment while complex radial head fractures may require surgery to repair bone fragments.
Class 2 device recall acumed slideloc anatomic radial head system. The solution also replaced broaches with reamers for canal. Radial head fractures malaysian orthopaedic journal. The system is modular comprising a stem, collar and cobalt chrome head. Case report comminuted radial head fractures treated by. Patient history 32yearold female with elbow fracture dislocation. Screws are used to anchor the plate to the bone, stabilizing the radius. Aug 10, 2017 radial head fractures are common following traumatic injuries to the elbow. Biomechanical comparison of proximal radius locking plates under dynamic loading orthopaedic research laboratories cleveland, ohio paul d. The acumed anatomic radial head slideloc system consists of modular heads and stems with accessories for anatomical replacement of the proximal portion of the radius and restore the natural articulation of the radial head with the radial notch of the ulna and capitellum of the distal humerus. Radial head arthroplasty modern implants unipolar or bipolar, monoblock or modular, anatomical or nonanatomical, cemented or pressfit correct diameter, height, medial offset and cervicocephalic angle bipolarity permits an automatic positioning of the radial head with respect to the neck and the opposite. Results of ulnar shortening osteotomy with a new plate. Given the tenuous blood supply to the head of the radius, problems with healing are not surprising. Elbow fracture dislocations that involve a radial head fracture and a coronoid fracture are very challenging to manage.
For the acutrak 2 headless compression screw system surgical technique, please reference part number spf0002. Acute right radial head fracture, elbow subluxation, small coronoid avulsion, and olecranon fracture. The acumed anatomic radial head system includes the first anatomically shaped radial head prosthesis introduced to the orthopaedic. The unique undersurface geometry of the screw head allows for subosseous purchase into. What is the depuy synthes radial head prosthesis system. Radial head plate system at the base of the tray to provide multiple solutions all in one set. Using the back table assembly plate, place the correct size head on the back table assembly plate. One plate buttresses the radial column the dorsoradial plate, and the other plate supports the intermediate. With a variety of head widths, there is a plate to fit smallstatured to largestatured patients. Five views ap with the forearm in supination, neutral rotation, pronation and lat view the arm in supination and neutral rotation were taken. Radial head plating system surgical technique acumed. Depuy synthes brings radial head prosthesis system to us. Inner surface serves as a joint surface with articular cartilage lining, proximal border blends with the joint capsule, lateral aspect reinforced by lcl. The radial head plating system may be combined with any of the acumed anatomic radial.
Lervick, md andrew anderson, pac 9524567111 nonsurgical radial head fracture phase 1immediate motion phase goals decrease pain and inflammation. The radial head plate is an extension of the mayo clinic congruent elbow plate system, and incorporates a series of technical objectives to maximize fixation in the radial head. In a caseseries study of 333 adults with radial head fractures, van riet et al. In elderly patients or when the distal radioulnar joint is not salvageable, the ulnar head may be harvested and inserted in the defect. Hospital outpatient coding apcs ambulatory payment classi. The purpose of the study was to evaluate inter and intraobserver reproducibility of mason johnston classification of radial head. Anatomic radial head system surgical technique acumed. Explor modular radial head multiple sizing options for optimal patient fit three head diameters20, 22 and 24mm five head heights10, 12, 14, 16 and 18mm five stem sizes5 x 22, 6 x 24, 7 x 26, 8 x 28 and 9 x 30mm fully interchangeable parts allow for 75 different combinations exclusive slide design for. These fractures usually result from a fall on an outstretched arm with the forearm pronated. The morse taper of the implant stem is inserted into the implant head taper.
This latest addition to our anatomic radial head solutions offers further refinements to the first and only anatomically shaped radial head prosthesis. The radial head resection guide has two resection levels. Prior templating of the xray will also assist in determining which. A screw which is 2 mm longer than radial head diameter was used.
The synthes lcp radial head plate system is indicated for extraarticular and intraarticular fractures of the proximal radius and for multifragmented radial neck fractures. Coronoid plate family sgstem plates are designed to act as a buttress to the coronoid and help counteract the tendency of the elbow to subluxate. We are dedicated to pioneering products, service methods and approaches that improve patient care. Jun 25, 2009 anatomical study of 11 radii heads was done. Many innovative design features are incorporated into the implant heads and stems, as well as the instrumentation to improve the surgical technique. This versatile system of precontoured plates is designed for use in the radial head s safe zone and features a straightforward surgical technique that may save time in the surgery room. The acumed olecranon plates provide fixation for both fractures and osteotomies in the proximal ulna. The acumed anatomic radial head system provides a comprehensive solution that includes the first anatomicallyshaped radial head prosthesis on the market and is equipped with the tools needed to restore the patients anatomy in a radial head replacement surgery.
Anatomic radial head system cambridge orthopaedics. This acquisition will accelerate acumed s opportunity to build on the technology and deliver a compelling. The incision is closed with sutures, and the the arm is bandaged and placed in a splint. Because the head of the radius is eccentric to the central axis of the neck, 118 the posterolateral aspect of the radial head comes into intimate contact with the capitellum during pronation. Radial head implants with 4 stems and 6 head sizes. Distal radius fracture repair with volar plate central. Radial head fractures make up approximately 3% of all fractures and they are the most common type of elbow fracture in adults.
The mason classification is commonly used to classify radial head fractures. Include any exams preformed under anesthesia positioning describe and provide or photos to illustrate p. Apply the plate to the proximal fragment confirming that the plate is centered on the unla shaft and that. Mason type iii radial head fractures treated by anatomic. Treatment of isolated nondisplaced radial head fractures is often nonoperative. Elbow plating system brochure and surgical technique. The system includes extension plates where fixation of long segments is required, and complementary distal radius fragment specific plates. Clinic radial head plate to advance the treatment of radial head fractures. Inspection of the radial head and trauma to the neck will determine if the standard or long collar radial stem implant will be used. Resecting the radial head radial head resection guide. This is used to accurately place the proximal shaft of the.
Synthes usa lcp radial head plating system indications for use. Radial head plating system the acumed radial head plating system provides a method for the treatment of fractures when the radial head is salvageable. The locking clavicle plating system is distinct and recognized for o. Outcomes of bipolar radial head prosthesis to treat complex. Acumed elbow plating system by zachary juergensen on prezi next. May 29, 20 the anatomic radial head system from acumed is indicated for radial head replacement after comminuted fracture. Coronoid plate proximal radial plate olecranon plate multiplanar arms designed to allow for eccentric screw positioning posterior lateral plate 2. Om een acumed gebruiksinstructie te kunnen bekijken, hebt u adobe reader nodig. The anatomic radial head system is a comprehensive solution for radial head fractures. Acumed elbow plating system pdf the acumed elbow plating system offers multiple fixation options for fractures of the distal humerus, olecranon, and coronoid. Both the 3hole and 5hole plate lengths are offered in two proximal curvatures to accommodate varying radial head anatomies. Explor modular radial head surgical technique zimmer biomet. Class 2 device recall acumed slideloc anatomic radial head.
For the locking radial head plate system surgical technique, please reference part number elb0002. Pdf anatomic relationship of the radial nerve to the elbow. With the anatomic radial head system,the surgeon is equipped with the tools needed to properly restore the patients anato. We are dedicated to developing products, service methods and approaches that improve patient care. Acumed aculoc 2 volar distal radius plating system. Fracture patterns in the radial head and neck are often very complex. The periloc volar distal radius plates are indicated for fixation of fractures, nonunions and osteotomies of the radius. Elbow plating system acumed is a global leader of innovative orthopaedic and medical solutions. The percutaneous placement of lateral distal humeral pins risks injury to the radial nerve.
Comparison of precontoured lowprofile radial head plates article in the journal of hand surgery 364. Radial head isanimportantvalgusstabilizerof elbow,particularlyinsettingofan. Locking clavicle plating system cambridge orthopaedics. Dorsal plates the twoplate technique of dorsal fixation of distal radius fractures offers increased stabilization. Furthermore, the specifically designed ulnar shortening osteotomy plate significantly simplifies the procedure for the surgeon and improves patient outcomes with relief of ulnarsided wrist pain. Radial head fracture the radial head is the proximal portion of the radius smaller of the two arm bones. Nonunion of nonoperatively treated fractures of the radial head. The acumed radial head plating system provides an innovative method for the treatment of fractures when the radial head is salvageable. Radial head fractures and the role of radial head prosthetic. Depuy elbow implant lawsuit synthes radial head prosthesis. With the anatomic radial head system, the surgeon is equipped with the tools needed to properly restore the.
Jan 05, 2010 there is a need in the prior art for a simple but effective modular radial head prosthesis with fixation elements supporting articulating surfaces with improved properties and materials. By placing the plate on the volar aspect of the ulna, there is decreased soft tissue irritation and decreased complications related to hardware removal. Joint destruction andor subluxation visible on xray b. Request pdf anatomic fit of six different radial head plates. The system includes eighteen anatomically contoured plates including medial, lateral, posterior lateral, olecranon, proximal radial head, and coronoid designs. The aculoc 2 volar distal radius plating system comprises a locking plate and percutaneous fragloc compression screws for the fixation of dorsal fragments.
Modular system for replacement of radial head arthrex, inc. Exactech prosthetic proximal humeral fracture repair surgical technique. This type of fracture can occur from an elbow dislocation or it may just happen from a force, such as a fall to. With the anatomic radial head system, the surgeon is equipped with the tools needed to properly restore the patients anatomy in a radial head replacement surgery. As in radial head resection alone for a comminuted fracture, radial head resection and replacement arthroplasty should be done soon after the fracture occurs, preferably within a few days. The radial head plate system is contained in a compact,standalone tray that contains the. The acutrak 2 mini system can be included in the base of the tray,as well as the mayo clinic radial head plate if needed upon request.
The system includes anatomically contoured plates including medial, lateral, posterior lateral, olecranon, proximal radial head, and coronoid designs. Once the graft has been inserted, the plate can be applied. The acumed anatomic radial head system is designed to provide an anatomic implant to replace the patients native radial head. Operative guides below all pdf files, be patient they do take time to load. For radial head fractures that indicate joint replacement, this system provides the surgeon with advanced instrumentation that is designed to properly determine the. A metal plate shaped to fit the contours of the radius is inserted and positioned against the bone. The acumed anatomic radial head prosthesis is designed to provide a precise anatomical implant to replace the patients native radial head. The elbow plating system offers precontoured, indicationspecific plates and includes a lowprofile olecranon plate design with a. This is the largest study to our knowledge of a series of ulnar shortening osteotomies and successful healing without the removal of any implants. Plate features two points of radial styloid fixation oblong screw holes in plate head and shaft facilitate radialulnar and proximaldistal plate translation leftrightspecific 316l stainless steel for strength lockingnonlocking option in all screw holes distal articular screw holes accept 2. Radial head plating system a straightforward solution for treating fractures when the radial head is salvageable. The invention provides a modular endoprosthetic radial head replacement implant. Anatomic radial head brochure and surgical technique acumed.
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