OsteoSinter® EVANS and COTTON Wedges

OsteoSinter® EVANS and COTTON Wedges are porous titanium implants engineered for use in the surgical correction of adult-acquired flatfoot deformities. Designed specifically for Evans and Cotton osteotomies, these implants support structural realignment and biomechanical restoration of the foot.

  • Manufactured using a specialized process that replicates the architecture and porosity of cancellous bone, the wedges promote enhanced osseointegration and long-term stability.
  • The system includes a comprehensive range of 18 implant sizes—12 for Evans and 6 for Cotton osteotomies—to facilitate precise anatomical correction.
  • All implants and instruments are sterile-packaged and ready for immediate, intraoperative use.

OsteoSinter® Wedges are a product of AMES Medical. For more information visit www.ames-medical.com

Ultraporous pure titanium

The OsteoSinter® material[3] is biocompatible CP Titanium manufactured by means of Powder Metallurgy technology.

A special design of the manufacturing process allows to obtain a product with interconnected porosity (62-66% in volume)[4] , favoring osteointegration of the surrounding bones.

The result is a material that mimics the structure and characteristics of human bone, especially the apparent elastic modulus and the porosity shape.

[1] AME19-C015 [2] p00100_osteosinter porosity [3] Patented material [4] p00100_te_medical device
Trabecular bone[1]
OsteoSinter® material[2]

Single-use OsteoSinter® EVANS and COTTON instrument kit

The single-use OsteoSinter® EVANS and COTTON instrument kits include a set of sizers (one for each size and type of wedge), a tweezer to hold and insert the wedge, and an impactor to seat the implant in its suitable position by tapping gently with a standard hammer (not supplied in the kit).

[1] AME19-C015 [2] p00100_osteosinter porosity [3] Patented material [4] p00100_te_medical device

EVANS Wedges

Width
(mm) [W]		 Length
(mm) [L]		 Height
(mm) [H]
18 18 6
18 18 8
18 18 10
18 18 12
20 20 6
20 20 8
20 20 10
20 20 12
22 22 6
22 22 8
22 22 10
22 22 12

COTTON Wedges

Length
(mm) [W]		 Height
(mm) [L]
15 4.5
15 5.5
15 6.5
20 4.5
20 5.5
20 6.5

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