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Flexible coating for magnetic resonance imaging compatible invasive devices

  • US 5,290,266 A
  • Filed: 08/14/1992
  • Issued: 03/01/1994
  • Est. Priority Date: 08/14/1992
  • Status: Expired due to Fees
First Claim
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1. A medical invasive device intended for insertion into a subject immersed in a magnetic field during magnetic resonance imaging comprising a substantially rigid non-metallic material capable of shattering exhibiting a magnetic susceptibility in the magnetic field substantially equal to that of the subject being imaged, so as to cause minimal distortion in a magnetic resonance image, said device having an outer coating of a flexible material having a tensile strength capable of containing pieces of the device in the event of a fracture and allowing removal of all pieces of the invasive device from the subject when the device is withdrawn from the subject.

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