×

Indwelling catheter

  • US 5,727,555 A
  • Filed: 06/18/1996
  • Issued: 03/17/1998
  • Est. Priority Date: 06/18/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An indwelling catheter, comprising:

  • an elongate body having a proximal end, a distal end and an interior lumen therethrough;

    an external flange coupled to the proximal end; and

    a plurality of helical coils formed in the body between the proximal and distal ends;

    wherein the plurality of helical coils may be straightened out by placing a stiffener into the interior lumen in order to facilitate placement of the catheter between an external surface of a patient and an interior cavity thereof; and

    wherein at least one of the plurality of helical coils automatically reforms when the stiffener is removed from the interior lumen after placement of the catheter, such that the flange is held against the external surface of the patient and the at least one of the plurality of helical coils is held against an interior surface of the cavity.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×