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A Philadelphia collar or cervical immobiliser is used to keep the neck and head in the correct position after a spinal cord injury (SCI). This gives the injured spinal column and the ligaments time to heal. It also help support the neck muscles.

TopPhil Cervical Immobiliser is made of hard plastic, with Velcro straps. It consists of a front piece with a chin cup, and a curved back piece that fits against the lower part of the skull (head). This design and the rigid material helps to keep the neck and head in the correct position after a spinal cord injury

TopPhil keeps the neck from moving forward, bending backward, and the head from turning.

TopPhil Cervical Immobiliser  

Special features of TopPhil Cervical Immobiliser
  • Two piece design- Easy application / Adjustable
  • X-Ray lucent – Allow X-Ray to be taken without removing the collar
  • Anterior Tracheal Opening- Provision for emergency tracheotomy and provides access to carotid pulse
Motion restrictions possible with TopPhil Cervical Immobiliser
Flexion/ Extension (in %) Rotation (in %) Lateral Flexion (in %)
71.1 56.3 33.6


  • Post cervical surgery
  • Severe cervical sprain
  • Cervical fracture
  • Cervical Disk Herniation


Size specifications of TopPhil Cervical Immobiliser:
Neck CircumferenceIn cm30 -3434- 3838-42

You can watch a video of application of TopPhil Cervical Immobiliser here

Related products:

Trauma Cervical Immobiliser – Dyna Ambulance Cervical Immobiliser – Dyna


Disclaimer: The information provided on this page is not a substitute for professional medical advice. Your doctor is the person best qualified to advise you on the right product for your specific condition