Signature | Uncemented Hip System

Precision to meet an achiever's demand

Signature ceramic total hip replacement system boasts credible clinical heritage bearing technologies that are proven for more than 12 years.

Created with the world's best technologies and materials, Signature Ceramtec heads are imported straight from the best manufacturer in the world, Cermatec Germany. Acetabular cup design is successfully tested for over 15 years. Stem design in existence since more than 25 years.
(CE2195 Certified Product)

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Stem

Material Specs: Forged Ti6AL4V ELI (Extra Low Interstitials)

Fully HA-coated stem with coating thickness
150 +/ – 50 microns induces rapid osteointegration.

Optimised neck geometry increases the range of motion.

Range of motion upto 148°

Double tapered stem design avoids proximal stress shielding

Vertical & horizontal groove provide rotational & axial stability

12/14 neck taper

Stem length, head offset & neck length in mm
* Note: Head offset mentioned is for sizes (mm): 28, 32, 36 (0)

Acetabular Cup

Material space: Forged Ti6AL4V ELI (Extra Low Interstitials)

True hemispherical design with a greater area of rim interface contact offering better stability.

Asymmetric sintered Titanium 700 +/ – 50 microns coating of high porosity, as per ASTM standards

Cluster hole design for better screw fixation & stability

Internal surface highly polished to avoid friction with Liner

Sizes (mm): 44, 46, 48, 50, 52, 54, 56, 58, 60

Liner

Material space: Highly cross linked polyethylene (XLPE), minimizes wear & increases durability

20° hooded liner prevents posterior dislocation

Star shaped profile to avoid rotational movement of the liner with the acetabular cup

Sizes (mm): 44, 46, 48(28/32), 50, 52, 54, 56, 58, 60

Signature Biolox^R Delta Head

Material space: Fourth generation advanced ceramic

BIOLOX^R delta, the only ceramic with 11 years of successful clinical experience & with more than 5 million implanted components.

Lowest wear rate

Outstanding biocompatibility & excellent stability in vivo

The diamond-like hardness of the material & exacting sphericity

High resistance to third-body wear

Sizes (mm): 32, 36

Neck length option: Small (-3.5), Medium (0), Large (+3.5)

Femoral Metal Head

Material space: CoCrMo alloy

The skirtless design maximizes range of motion

Sizes (mm): 28, 32, 36 (-4, 0, +4)

Signature Bipolar

Material space: CoCr with highly cross linked polyethylene

Self-centering design

External surface polished to reduce friction & for better movement

Internal head sizes (mm)
For OD: 37 – 43 = 22.2 (-2.5, 0, +2.5)
For OD: 45 – 53 = 28 (-4, 0, +4)
(2mm increments in OD)

Bone Screw

Material space: Forged Ti6AL4V ELI (Extra Low Interstitials)

Self-Tapping design

Sizes: 20, 25, 30, 35, 40, 45, & 50 (mm)
Diameter: 6.5 ø

Case References For Signature Hip System

Case 1: Signature in AVN-LT Hip

Age: 32, Male.
Diagnosis: AVN-Lt Hip
Operative Done: Total Hip Replacement for AVN-Lt Hip
Implant Used: Uncemented stem sz.3, Cup & Liner sz.56, Metal Head sz.36 (O) with 20mm Bone Screw

PER-OP

POST-OP

Case 2: Signature in Bilateral Protrusio Acetabuli

Age: 40, Male.
Diagnosis: Bilateral Protusio Acetabuli
Operative Done: Bilteral Total Hip Replacement
Implant Used: Each side acetabular cup 44 mm, Material Head 28 (-4), Stem sz.2 with bone screw