Catheter with integrated cement delivery balloon

摘要

A bone filling device includes a catheter that defines a longitudinal axis and extends between a proximal end and a distal end. A first lumen extends along the longitudinal axis of the catheter and defines a first passageway. A second lumen extends along the longitudinal axis of the catheter and defines a second passageway. An inflatable body includes a wall that defines a fillable cavity. The fillable cavity is in fluid communication with the first passageway. A bone filler delivery port continuous with the second passageway and configured to dispense bone filling material.

主权项

1. A method of filling bone comprising:
inserting a cannula into bone; inserting a catheter through the cannula, the catheter defining a longitudinal axis extending between a proximal end and a distal end and includes;
a first lumen extending along the longitudinal axis of the catheter defining a first passageway;a second lumen extending along the longitudinal axis of the catheter and defining a second passageway;a balloon having a wall configured to define a fillable cavity, wherein the fillable cavity is in fluid communication with the first passageway;a bone filler delivery port continuous with the second passageway and configured to dispense bone filling material; andinner and outer surfaces that define a wall thickness of the catheter, the first lumen being disposed within the wall thickness; inflating the balloon such that the balloon applies a force capable of compacting cancellous bone and moving fractured bone; wherein the balloon is disposed along the outer surface and spaced apart from the cannula such that a distal tip of the catheter extends outwardly from a distal end surface of the balloon; inserting a bone filler material through the second passageway and delivering a bolus of the bone filler material while the balloon is inflated; allowing for the bone filler material to cure such it forms a shell of the bone filler material around the balloon and is capable of maintaining a restored height to the bone; and deflating and removing the balloon.