Medical guiding wire

Medical guiding wire

  • CN 102,341,142 B
  • Filed: 02/09/2010
  • Issued: 08/03/2016
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
Patent Images

1. a medical guiding wire, it is characterised in thatThis medical guiding wire includes:

  • core filaments, and it includes distal side minor diameter part and the external diameter proximal lateral large-diameter portion more than described distal side minor diameter part;

    Helical spring, it is installed on the periphery of distal side minor diameter part of described core filaments in the axial direction, including front minor diameter part, coil outer diameter more than the rear end side large-diameter portion of described front minor diameter part and the taper portion between described front minor diameter part and described rear end side large-diameter portion, this helical spring is at least fixed on described core filaments in leading section and rearward end;

    A length of 5mm~

    100mm of the front minor diameter part of described helical spring, coil outer diameter is less than 0.012 inch;

    The leading section of described helical spring utilizes the solder containing gold to be fixed on described core filaments;

    A length of 0.1mm~

    0.5mm of the firmly straight part in the front end formed by the solder containing gold.

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