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เครื่องมือผ่าตัดกระดูกและข้อเทียม LINK
Primary Hip System, cemented
Lubinus Classic Plus®
Lubinus Classic Plus® is a contemporary hip system, which is a class of its own.
Lubinus Classic Plus® combines the practical and economic advantages of a modern standard hip prosthesis system with high quality of material and workmanship, which have been associated with LINK® for more than 50 years.
All metal components are of high-purity CoCrMo Alloy, which is ideal for long-term cemented implants.
The design of the Lubinus Classic Plus® is characterized by innovative and advantageous biomechanical parameters, which have a proven positive effect on the long-term anchorage of the prosthesis.
Lubinus Classic Plus® is a modular prosthesis system consisting of prosthesis stem, prosthesis head and hip cup. The components are available in three perfectly coordinated configurations for the most common standard applications.
The LINK® Lubinus Classic Plus® opens up a new dimension for contemporary standard applications in hip arthroplasty. Being an innovative design modification of the Lubinus Total Hip System which has been in use for decades and the excellent performance of which has been documented in the publications of the Swedish Hip Register, the Lubinus Classic Plus® provides optimal product safety.
3 components for three system solutions with 3 decisive advantages:
  • highest-quality materials
  • optimal co-ordination of all components
  • sophisticated quality management
Lubinus SP II®
Anatomically Adapted Total Hip System
Anatomically shaped stem
• for physiological load transfere
• uniform cement mantle
• to resist rotational forces
• Large collar support achieves reintroduction of physiological forces into the femur
• Built in physiological anteversion of 19°
• AP / ML Ribs for additional rotational stabilty
• Distal edge lateraly curved to avoid lateral impingement
“The most important advancement in total hip arthroplasty this decade has been the adaption of femoral components to the anatomy of the femur.“
The anatomical shape of the SP II stems follows exactly the anatomy of the proximal femur
Cement Distribution and Quality of Fixation
In comparison to an anatomically designed stem, a straight stem produces an uneven cement
mantle in the upper, center, and lower portions of the medullary canal.
The larger surface area of the LINK® SP II stem, together with the even cement mantle
surrounding the stem, results in a uniform fixation of the prosthesis in the femur.
Equal Stress Distribution
Stress-load analysis proves that the true adaption of the LINK® anatomically shaped hip stems to the femur result in the most natural stress distribution, eliminating the harmful pinpoint stress concentration at the bone / (cement) / implant interface.
Rotational Forces
The axis of posterior rotation is outside the curved neutral axis of the stem due to the S-shape,
• In this way, the mechanical shape of the prosthesis acts to further reduce rotational movement of the prosthetic stem within the curved canal.
Primary Hip System, cementless
The BetaCone® Prosthesis Stem has been designed for uncemented fixation based on well established anchorage principles and is optimized for homogenous load transfer.
Due to its double-tapered stem shape, maximum primary stability is achieved, similar to classical straight stem hip implants.
Cancellous bone compression provides physiological load transfer proximally, preventing the occurrence of peak loads distally. In contrast to the prosthesis the cross-section of the bone compressor is reduced by 1 mm. Thereby a form seating of the prosthesis is achieved by compressing the cancellous bone. The trochanter fin characteristic of uncemented prosthesis stems effectively supports pressfit-fixation.
In addition, the bilateral proximal ribs integrate the femur better into the force flows during load transfer, thus reducing ”stress-shielding”, which can lead to the well known proximal bone loss.
The bidirectionally tapered ribs also help reduce the radiographic “double contour” phenomenon and support proximal anchorage.
The distal stem contour with its four additional ribs achieves a maximum of rotational stability. Combining the doubletapered stem contour with the bidirectionally tapered ribs ensures homogenous load transfer over the entire length of the implant, thus avoiding load peaks, ”stress-shielding” and bone remodeling zones.
The shaft cross-section is not simply rectangular, but slightly rounded (barrel-shaped) in both planes. Thus the rotational stabilization effect of integrating the corners of the stem is maintained while keeping load transmission over a large surface.
  • Double-tapered improved square profile for large surface load transfer
  • Bidirectional tapered ribs allow for enhanced proximal load transfer
  • Distal modified square profile with supporting ribs ensures rotational stability
  • Proximal trochanter fin supports proximal pressfit
  • Suitable for minimally invasive implantation technique
  • Anatomical calcar curve for physiological loading of the cortex
  • Nine stem sizes allow for individualization
  • Additional XL versions for retention of muscle tension
  • Microporous surface or HX® coating for secundary bone fixation
  • Ř 28, 32 and 36 mm Prosthesis Heads, 4 head-neck lengths
  • Titanium alloy (TiAl6V4) with reduced impurities and improved mechanical properties
Description of the System
The BetaCupTM Hip System was designed especially for young, active patients and represents a new generation of cementless press-fit acetabular cups. This novel acetabular cup design incorporates many years of experience with proven implant systems and fixation concepts as well as state of the art material and coating technologies.
Patient safety was a crucial consideration.
With this in mind, the BetaCupTM Acetabular Cup System provides the option of using ceramic and UHMWPE inserts. The ceramic inserts supplied utilize BIOLOX® delta. This material's significantly greater fracture strength makes inserts up to twice as resistant to fracture as conventional ceramic components.
Extremely close tolerances for the shape and position of the inner surfaces ensure homogeneous and uniform stress transfer, minimizing peak compressive loads.
The TiCaP® double coating combines a highly porous surface with a calcium phosphate coating conducive to bony ingrowth. This ensures an optimal combination of initial implant stability and biologic fixation.
  • TiCaP Double Coating promotes rapid bony ingrowth
  • Material: Titanium Alloy
  • Protective rim prevents femoral components impingement with ceramic inserts
  • Suitable for use with UHMWPE- and Ceramic Inserts
  • The antirotational design of the UHMWPE-Inserts prevents micromotion that can produce particulate debris
  • Equatorial Press-Fit for maximal primary stability
  • Congruent surfaces optimize stress transfer between insert and metal casing
  • Inserts for head sizes from 26 mm to 36 mm in diamater
C.F.P.® Prosthesis Stem
Bioharmony in Total Hip Replacement
The LINK® C.F.P.®* Prosthesis Stem and the T.O.P.®** Acetabular Cup were especially designed for biologically young, active patients, who, because of their long life-expectancy, would have to expect an above-average aseptic loosening rate with a conventional hip prosthesis.
Observation of biomechanical load and fixation principles derived from the hip anatomy and physiology patterns, the retention of the femoral neck as well as uncemented fixation techniques, provide a stable, load-bearing implant anchorage and thus offer the best conditions for possible future interventions.
* Collum Femoris Preserving ** Trabeculae Oriented Pattern
  • Minimal bone resection by preservation of the femoral neck and proximal cancellous one.
  • Part of the circumflex artery branch-outs are preserved thereby maintaining vascular supply of the femoral neck after resection of the femoral head.
  • Stem shape and Surgical Technique allow uncemented implantation with up to 87 % prosthesis-to-bone contact.
  • Anatomical stem and built-in physiological anteversion.
  • Two stem curvatures ensure secure support of the stem at the medial cortex.
  • Collar allows reintroduction of physiological loads into the femur.
T.O.P.® Hip Acetabular Cup
  • Pressfit fixation.
  • Circular segmental rows of teeth at the cup equator increase primary stability.
  • Metal Casing with pre-drilled holes for additional screw fixation.
  • Mediocaudal recess allows wider range of motion and protects the psoas tendon and femoral nerve.
  • Secures fixation of Polyethylene Insert to Metal Casing by a “snap-lock mechanism”.
  • LINK® T.O.P.® Polyethylene Insert prevents femoral head dislocation when the Metal Casing is placed at steep angle, for maximum bone contact.
  • Standard Polyethylene Insert is used for nomal position of Metal Casing.
Revision Systems
MP Reconstruction
The LINK® MP Reconstruction Hip Stem is based on the innovative development of a modular reconstruction hip stem designed by LINK® in collaboration with the Lubinus-Klinik, Kiel, Germany.
The MP Stem is indicated for revision hip stem and femoral reconstruction surgery, particularly in cases where there is a severe bone loss in the proximal femur, indicating the need for cementless distal fixation.
The MPTM Stem has also proven to be indicated in revision cases where there are fractures around or below the distal tip of the existing hip stem.
The MP Reconstruction Hip Stem is also indicated in some primary cases, such as in the presence of femoral dysplasia when conventional stems may not be able to adequately provide for version or leg length
needs of the patient. The MPTM Stem is a hip stem that is created from modular segments, designed to help the surgeon achieve initial stability in the distal femur leading to long term fixation and positive bone remodeling. The segments are assembled within the prepared femur.
The Stem is the distal segment of the assembly. The cross-section is round. The taper reduces stiffness at the distal tip. A 70-micron porous surface, also available with a unique HX ® Coating*, promotes bone
ongrowth. The 3-degree angle that is built into each Stem is aligned when implanted to match the bow of the femur, centralize the Stem in the canal, allow complete seating (anchoring) and help resist rotational
forces. Longitudinal flutes also support rotational stability and further reduce the stiffness of the Stem.
Coupled Knee System
Endo-Model® Rotational Knee
LINK® Endo-Model® Rotational Knee Prosthesis
  • Stable implant anchorage in case of weakened ligament conditions
  • Anti-Luxation Feature
  • Minimal bone resection
  • Valuable bone substance remains preserved
  • Physiological pivot point and axial rotation achieve natural range of motion
  • Axial rotation protects tibial stem anchorage
  • Easily reproducible implantation technique
  • Reduced rehabilitation time
GEMINI® Total Knee
System Description
For good long-term results in knee arthroplasty, you need prosthetic components designed on the basis of anatomical requirements and a reproducible surgical technique. Proven construction principles are combined with innovation in the LINK® GEMINI® Knee System with cemented or cementless components for primary treatment of affected knee joints.
Design features of the Femoral and Tibial Components together with a wide range of implant sizes provide for primary stability, while secondary fixation (in cementless procedures) is ensured by the optimized surface structure and our TiCaP® Double Coating (titanium and calcium phosphate).
The uniform mechanism of fixation of the Polyethylene Plateau onto the Tibial Metal Tray means that any size of Femoral Component can be combined with any size of Tibial Component. Care need only be taken that the chosen size of Femoral Component is the same size as the Polyethylene Plateau. This gives the greatest possible intraoperative flexibility to the operating surgeon, as a patients knee having different femoral and tibial dimensions can be treated with the GEMINI® System without compromise.
The LINK® GEMINI® Total Knee Replacement with its implants and system-specific instruments is part of the LINK® SL Knee Concept Family. The resections required for the GEMINI® Total Knee Replacement allow the surgeon to decide intraoperatively to change to the stabilizing, rotational or hinge knee implants and the use of MEGASYSTEM-C® treatment variants if these seem indicated, using just a few additional instruments. This is due to the fact that each member of the SL Knee Family fits exactly on the same bone resection.
Femoral Component
The clamping force between the anchoring surfaces and the prepared femoral condyles, together with the external form of the femoral component – which has been carefully adapted to the anatomy and to the prosthetic function – contribute greatly to the long-term successful functioning of the GEMINI® system. The high patellar glide avoids “snapping” of the patella in cases of patella alta (high-riding patella). The carefully shaped patellar groove provides for anatomical tracking of the Patella Component in all positions.
Tibial Component
The GEMINI® Tibial Plateaus are shaped in accordance with the anatomy of the tibial head and are available in right and left versions. The central taper and the oblique dorsally aligned cross bars have been shown in tests to protect against shear stress, rotation, and, above all, the alternating varus / valgus load that provokes loosening. The pegs at the ends of the cross bars carry the forces into the supporting cortical bone laterally. The taper below the Tibial Plateau allows the mounting of a cemented or cementless stem or of a Taper Cap. The dished surface of the Tibial Plateau provides congruency of the articulating surfaces and thus stability in extension, but in increasing flexion the femoral condyles are allowed to glide. The large area of load transmission limits polyethylene wear. The Rotating Plateau separates function from movement in the articulating areas. In this way, soft tissue structures can take charge of motion control, leading to natural kinematics, and the prosthesis anchorage is also protected. The deeply dished Tibial Plateau stabilizes the knee joint even in the absence of the posterior cruciate ligament.
Unicondylar Knee System
LINK Endo Model Sled
Rünow Minimally Invasive
There are well defined indications for Unicompartmental Knee Prostheses. The concept is based on the fact that in early stages of osteoarthritis (OA) the cartilage loss is limited to a single compartment without patello-femoral involvement.
The LINK® Sled Prosthesis design allows for tibial and femoral bone cuts with a minimum of bone removal preserving the hard subchondral bone, for secure long-term fixation.
The newly developed Tibial Saw Guide helps to accurately restore the normal biomechanics and ensures precise, reproducible bone cuts.
The MITUS® Instruments offer distinct advantages to the surgeon:
  • minimal bone resection
  • full control of the tibial cut
  • trial capacity when choosing the components
  • the choice between either a traditional or a minimally invasive surgical technique
  • can be used either medially or laterally
(ต้องการทราบข้อมูลเพิ่มเติมกรุณาติดต่อ 02-2491986-7)


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Last modified: 23-06-10.