×

One-punch catheter

  • US 4,986,814 A
  • Filed: 06/13/1988
  • Issued: 01/22/1991
  • Est. Priority Date: 06/13/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. A catheter assembly comprising a stylus including a first generally conically shaped end tapering to a point at a predetermined angle and a second end,a cannula including a first lumen for slidably receiving the stylus, the cannula including a first end having an end wall and a second end,a catheter including a second lumen for slidably receiving the cannula, the catheter having a first end and a second end, the first end of the catheter including an end wall having an outer surface tapered at the predetermined angle and an innter surface, andmeans for aligning the second ends of the stylus, cannula, and catheter so that when the stylus, cannula, and catheter are assembled for insertion into a patient'"'"'s body, the first end of the stylus projects from the first end of the cannula, the tapered outer surface of the end wall of the catheter is aligned to be substantially coincident with the generally conically shaped end of the stylus to form a generally conical tip portion of the catheter assembly, and the end wall of the cannula abuts the inner surface of the end wall of the catheter to facilitate insertion of the catheter assembly into the patient'"'"'s body.

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