Previous studies have reported on the use and outcomes of trabecular metal acetabular augments for the reconstruction of acetabular defects. Determine if an acetabular restrictor andor augment is necessary. Clinical and radiographic outcomes of a trabecular. Keep slap hammer portion of positioner vertical, and aframe or. If a revision of an existing acetabular shell is required, the surgeons preferred technique for removing the acetabular shell should be used. This surgical technique is a guide to preparing the acetabulum for the trident. The plates surgical technique figure 1 figure 2 figure 3 restoration gap shell gap shell series ii insert polyethylene acetabular cup. The following technique is for use with a standard or table. Trident acetabular system surgical protocol stryker rpa. Running a inger around the circumference of the shell and a visual check will help determine if the liner is lush with the shell face. Cementless hemispheric porouscoated sockets implanted with pressfit technique without screws.
With the final prosthesis connected to acetabular cup impactorpositioner, insert shell into prepared site. Short to midterm followup of the tritanium primary acetabular component. The trident ii tritanium acetabular system received initial 510 k market clearance from the u. Trilogy acetabular system 1 trilogy acetabular system surgical technique table of contents acetabular reaming 2 component sizing 2 positioner assembly 3 positioning and alignment 3 implant orientation 4 implant insertion 4 screw insertion 5 liner positioning 5 liner insertion 6 locking ring replacement if required 6 final reduction 7.
Apr 18, 2011 trilogy acetabular system manufacturing video. Pdf early to midterm results of revision hip replacement. Critical to this success is the polished inner shell surface. Early aseptic loosening of the tritanium primary acetabular. May 24, 20 the tritanium acetabular system provides highly porous ingrowth surface manufactured from a commercially pure titanium matrix.
The acetabular component and screws were grossly loose without any evidence of bony ingrowth. The information contained in this document is intended for. Recently new porous metal cups, shells and augments such as the most commonly used trabecular metal7 zimmer, warsaw, in, usa components have been. Abstract the r3 acetabular component represents the next generation of acetabular shell with an enhanced porous ingrowth surface stiktite, smith. None of the equipment posted for sale on is owned by medwow, should you have any questions regarding a specific item, please direct them to the appropriate seller by making use of the available communication channels on the items page. At his latest followup visit, the patient reported significant relief of his.
Acetabular preparation the acetabulum is prepared by the release and removal of soft tissue using the surgeons preferred technique to gain adequate exposure for reaming. Plates may be bent and cut to closely conform to the bone fig. Acetabular exposure the surgeon should select the appropriate exposure. The stryker tritanium acetabular shell, which replaces a persons hip socket, is made from a titanium alloy coated with a special type of porous foam.
This surgical technique is a guide to preparing the acetabulum for tritanium. Anterior supine intermuscular tha surgical technique. Acetabular cup removal system surgical technique minimizing acetabular bone loss. One commonly used ceramic implant is the trident system stryker orthopaedics, mahwah, nj, which has a titaniumbacked ceramic pressfit liner in a hydroxyapatitecoated, titanium alloy acetabular shell. This system highlights our trident ii tritanium shell, bringing together. Early to midterm results of revision hip replacement with. Trident tritanium acetabular system surgical protocol indications painful, disabling joint disease of the hip resulting from. This surgical technique is a guide to preparing the acetabulum for tritanium acetabular shells utilizing cuttingedge total hip acetabular instrumentation. The escalade acetabular shell is hemispherical in shape with a titanium plasma spray coating on the exterior surface. Keep slap hammer portion of positioner vertical, and aframe or gunsight extension parallel with patients body. A powered technique for inserting acetabular cups sumsun naher, daniel ocallaghan and dermot brabazon school of mechanical and manufacturing engineering, dublin city university, dublin 9, ireland abstract. Trident ii tritanium acetabular shell outcomes study.
Biomet malloryhead ringloc acetabular series prosthesis. Acetabular shell and secure the liner into the shell. If acetabular osteotomes are used, final shaping must still be achieved using the hemispherical grater. It has pure titanium coating cpti on top of a titanium alloy shell with an average porosity of 72%. Depuys gription tf acetabular revision system is an innovative technology for addressing bone defects in complex acetabular revision surgery. Stryker launches next generation trident ii acetabular. The r3 acetabular system continues this legacy by reducing wear on the backside of the liner by utilizing this polished counterface in the refined cup design. The tritanium acetabular system provides highly porous ingrowth surface manufactured from a commercially pure titanium matrix. Strykers proprietary tritanium technology, a novel, highly porous titanium alloy material designed for bone ingrowth and biological fixation, is based on additive manufacturing techniques for orthopaedic surgery pioneered by stryker over 15 years ago, carter said. Acetabular system is designed to help restore kinematic function by.
Tritanium shells are a true hemispherical shape and are designed to achieve a linetoline or 1mm pressfit by under reaming the acetabulum. Trident ii tritanium acetabular shell outcomes study full. Surgical technique the technique for the reflection peripheral hole and multihole hemispherical shells is similar to the technique for implantation of reflection threehole shells. In 1998 wright launched the transcend system that accommodated ceramic and metal bearing surfaces in the same cup design. The full trident ii acetabular system launching in 2018 offers five shell options. Primary tritanium acetabular components are associated with a high prevalence of radiolucencies which compromise clinical function at short term followup alberto carli, md, msc, frcsc, new york, ny 36. Full surgical techniques for the tritanium solidback, clusterhole, and multihole shells can be found in the productspecific surgical protocols. The foam is supposed encourage bone cells to attach to it and grow, thereby creating joint stability. Comparative survival analysis of porous tantalum and porous titanium cups in total hip arthroplasty sumon nandi, md, lima, oh 37.
Tritanium primary acetabular shell study full text view. Comments about the stryker tritanium acetabular cup. Patient positioning position the patient supine figure 1 on a fluoroscopy capable table, with the fluoroscopy machine in the room. The use of ibg for the reconstruction of acetabular defects with and without the use of adjuvant metal meshes was described by slooff et al1. The next generation of acetabular shell design and bearing. Trabecular metal acetabular restrictor and augment surgical. In march 2017, the patients acetabular component was revised. The amount of interference fit should be determined intraoperatively based upon. The tritanium hemispherical acetabular cup stryker, mahwah, nj is a highly porous, hemispherical, multihole design shell with a roughened surface for biologic fixation.
Trilogy acetabular system 1 trilogy acetabular system surgical technique table of contents acetabular reaming 2 component sizing 2 positioner assembly 3 positioning and alignment 3 implant orientation 4 implant insertion 4. Case, age, gender, bmi kgm2, laterality, surgical approach, cup. Stryker report the shell has 72% porosity, a coefficient of friction of 1. The dynasty acetabular cup system is the fourth generation of wrights modular cup systems. Trident hemispherical acetabular shells are a true. The amount of interference fit should be determined intraoperatively based upon the patients bone quality. Acetabular liners in older systems placed in a canted, nonseated position have been described, and in several cases these implants fractured in a very short time. Twelve tabs built into the liner mate and sit flush with the rim of the shell and. This surgical technique is a guide to preparing the. Revision of previous unsuccessful femoral head replacement, cup. Aug 08, 2016 short to midterm followup of the tritanium primary acetabular component. Single use devices intended for cementless fixation within the prepared acetabulum.
Intended for use with the mating trident polyethylen cup inserts. The acetabulum was then reamed, and a 56mm revision tritanium shell was implanted with 2 screws fig. The tritanium acetabular system provides surgeons with a highly porous ingrowth surface manufactured from a commercially pure titanium matrix. Listing a study does not mean it has been evaluated by the u. Highly porous titanium cups have been recently introduced, with contradictory outcomes. The tritanium acetabular shell, cleared for use under fda 510k k081171, is a hemispherical acetabular shell with a 3d surface for biological fixation, fabricated from cp ti. Dec 21, 2016 trident ii tritanium acetabular shell outcomes study the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Trabecular metal acetabular restrictor and augment surgical technique. The tritanium c cage demonstrated it absorbed 3 times more bone marrow aspirate bma than allograft and 4 times more bma than peek, in an in vitro study. Highly porous titanium cups versus hydroxyapatitecoated. C hold the reamer steady in the intended position and orientation in which the cup will.
Manufacturer specifications malloryhead ringloc acetabular series, biomet please note. Following acetabular preparation, reassess the acetabulum to evaluate the quality of bone and defect type. Tritanium acetabular cup in revision hip replacement. Refer to table 1 for insert and shell compatibility and sizing options. The anterior supine intermuscular asi surgical technique may be performed on a standard operating room or table or special fracture table. When implanting the tritanium solid back, cluster hole, or multihole shell, it is recommended.
Trident tritanium acetabular system surgical protocol stryker meded. Exeter femoral stem and tritanium acetabular component stryker surgical technique with step by step instructions on. Trident ii tritanium acetabular shell outcomes study the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Acetabular system is designed to help restore kinematic function by addressing the challenges associated with primary and revision acetabular reconstruction. The shell is built upon the design features and clinical history of the existing trident tritanium, trident ad, and trident ha hemispherical acetabular shells. Trilogy acetabular system 3 positioning and alignment ensure the patient is in the correct position. Incidence of ceramic liner malseating in trident acetabular.
Trident acetabular cup system and exeter total hip system. May 24, 20 the tritanium acetabular cup from stryker is an acetabular shell manufactured from tritanium which is a proprietary commercially pure titanium matrix. The only difference is the number of screw holes and the orientation of the screws. It represents the latest advances in materials, fixation and instrumentation technologies. Inspect the linershell interface for proper seating. Revision of previous unsuccessful femoral head replacement, cup arthroplasty or other procedure. The trident tritanium shells utilize the screw hole pattern and locking mechanism from the trident acetabular system. Depuy gription tf design rationalesurgical technique. Tantalum cups were the first acetabular components with such peculiarities to be released. The tritanium acetabular cup from stryker is an acetabular shell manufactured from tritanium which is a proprietary commercially pure titanium matrix. Ramappa et al reported excellent early results in 43 revision cases using the titanium tritanium acetabular shell in revision tha at mean followup of 18. The tritanium acetabular system is a modular component design that is assembled intraoperatively. The use of the highly porous titaniumbased acetabular shells in revision hip surgery has been previously evaluated in relatively few studies. Acetabular system surgical protocol for crossfire polyethylene and trident alumina ceramic inserts with psl ha and hemispherical acetabular shells trident psl ha acetabular shell trident hemispherical acetabular shell 040924.
Class 2 device recall trident hemispherical acetabular shell. Use progressively larger reamers to prepare the acetabulum for the revision shell or other trabecular metalups. Trident tritaniu m ace tabular system surgical protocol. Reconstruction of acetabular defects in total hip arthroplasty tha presents a great challenge to orthopaedic surgeons. Dynasty acetabular cup system surgical specialties. Trident acetabular system hemispherical surgical protocol. Trident acetabular system hemispherical surgical protocol step 3b.
Stryker trident ii tritanium acetabular shell courtesy of stryker corporation. Trident tritanium acetabular system surgical protocol. Final reaming under reaming by 1 to 2 mm of the actual trident hemispherical shell size is recommended to achieve interference fit. Aim of this prospective study was to evaluate midterm clinical and radiographic outcomes in total hip arthroplasty using an acetabular cup made of an innovative biomaterial, trabecular titanium, whose highly porous structure and mechanical properties have been designed to mimic those of the natural bone, thus promoting a more physiological load transfer and a more durable. Trabecular metal acetabular restrictor and augment. Short to midterm followup of the tritanium primary. Since 1999, orthopaedic surgeons have chosen strykers trident acetabular system for its effectiveness and track record. This work focused to investigate the use of a powered automatic technique to. Stryker is proud to introduce the tritanium primary acetabular system, the only advanced fixation technology manufactured from a commerciallypure titanium matrix. Cementless hemispheric porouscoated sockets implanted with pressfit. Radial sequencing is best, an abnormal labrum will appear blunted or with increased signal at its base. Using a technique of impaction and axial rotation, initiate a channel around the cup periphery. The shells are available in sizes 48mm80mm, and offer the option of alumina ceramic or crossfire or x3 polyethylene inserts.
Acetabular restrictor and augment surgical technique. The study will specifically look at the need to revise the hip replacement after 5 years. Food and drug administration in october 2016 and trident ii tritanium clusterhole was available through a limited market release in 2017. The acetabular shell incorporates a taper and snap locking mechanism for acceptance of escalade hxlpe neutral and hooded liners. Acetabular reconstruction in total hip arthroplasty.
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