Product Attributes
Model No.: K001,K002
Brand: MEDTHO/OEM/ODM
Origin: china
Certification: CE ISO
Functional Use: Implant Materials &Amp; Artificial Organs
Place Of Origin: China
Medical Device Classification: Class Iii
Warranty Service: 5 Years
After-sales Service: Online Technical Support
Remarks:: Customized service is available
Supply Ability & Additional Information
Packaging: PE BAG/cartons packing outside
Productivity: 1000 Piece/Pieces per Day
Transportation: Ocean,Land,Air,Express,Express
Place of Origin: china
Certificate: CE ISO
HS Code: 902110009
Port: shanghai
Payment Type: T/T,Paypal
Incoterm: FOB
Product Description
The most important feature of the Cannulated Screws is that it has no nut and the distal pitch is greater than the proximal pitch.
Therefore, with each rotation of the screw, the distance of the Bone Screw in the distal bone segment is greater than that in the proximal bone segment, resulting in pressure effect. After fixation with conventional hollow screws, the nut is exposed outside the calcaneus, resulting in mobility impairment and pain, ultimately requiring screw removal. In order to retain the stability of screw fixation and overcome the disadvantages of traditional Orthopedic Screw, Herbert et al. developed a cannulated counterbore screw to solve the corresponding problems caused by the nut being exposed to the outside of bone, namely Herbert screw.
According to comparative clinical studies, Herbert screw percutaneous internal fixation provides higher fixation strength and stability, better fatigue resistance, and better fracture reduction during full weight-bearing. The mechanical test of yield strength also showed that the fixation strength of the Herbert cannulated screw was stronger than that of the conventional hollow screw. The failure of the instrument showed that the Herbert screw was more in line with the biomechanical characteristics of the foot, so that more stress was transmitted to the bone and the degree of stress destruction was reduced. Herbert screw orthopedic percutaneous internal fixation of calcaneal fractures has good stability, high fixation strength, can well maintain the fracture alignment, load the mechanical structure of the foot, and is more suitable for early functional exercise and weight-bearing. It has strong clinical application value.
Packaging & Delivery
| Selling Units: | Piece/Pieces |
|---|---|
| Package Type: | PE BAG/cartons packing outside |
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