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US 4,787,892 AGranted
Nephrostomy catheter with formed tip
AssigneeThe Kendall Company
InventorHelmut W. G. Rosenberg
Life of this patent
Estimating the term…
Abstract
A nephrostomy catheter comprising, an elongated shaft having a drainage lumen extending along the shaft and a distal end, and a formed tip bonded to the distal end of the shaft and having a distal opening communicating with the lumen to receive a guide wire.
Claims3
A nephrostomy catheter assembly, comprising:
- an elongated shaft having a drainage lumen extending through the shaft, a distal end and an inflatable sleeve adjacent the distal end and attached to the shaft, and means for inflating the sleeve;
- a formed tip bonded to a distal end of the shaft and having a distal opening communicating with the lumen to receive a guide wire, said tip defining an inner flat shoulder;
- a hollow elongated stylet removably received in the drainage lumen of the catheter with a distal end defining a distal edge of the stylet engaging against the tip shoulder without passing through the opening;
- and
- an elongated guide wire received in and in direct contact with the stylet and passing through the tip opening.
2 more elements
Dependencies are inferred from the claim text.