Drainage and anchoring system for an indwelling urinary catheter
OwnerJonah Murdockinventor
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Abstract
This invention relates to catheters, and more particularly to Foley, indwelling or self-retaining catheters. Disclosed are particular drainage port positions along the catheter and anchor shapes that facilitate complete drainage of a hollow organ or bladder in which the catheter is inserted. Methods described herein may prevent the pathological expansion of a balloon anchor member portion of an indwelling catheter from being deployed and expanded prior to advancing in the bladder and beyond the urethra.
Claims18
A urinary catheter comprising:
- an elongate primary tube having a proximal exit end for collecting or dispensing fluids and a distal receiving end, said primary tube having one or more drainage apertures for receiving fluids;
- an inflatable anchor carried proximal to the distal end of said primary tube;
- said primary tube carrying a secondary tube for passing or receiving a substance to said inflatable anchor device;
- said anchor configured such that once delivered within and beyond a urethra and into a bladder and subsequently inflated therein, said anchor will resist the expulsion of the distal end of said primary tube end out of said bladder upon flow of fluid within said bladder or during micturition;
- and
- wherein the one or more drainage apertures are laterally positioned below and proximate to said inflatable anchor device along said primary tube such that said fluids may pass into the primary tube.
An anchorable irrigation device for releasing fluid from a hollow structure within a patient comprising:
- an elongate primary cannulated tube having a proximal exit end for collecting or dispensing fluids and a distal receiving end, said primary tube having one or more drainage apertures for receiving fluids;
- an expandable anchor carried proximal to the distal end of said primary tube;
- said anchor configured such that once delivered within the interior of said hollow structure and subsequently expanded therein, said anchor will resist the expulsion of the distal end of said primary tube end out of said vessel upon flow of fluid within said structure;
- and
- wherein the one or more drainage apertures are laterally positioned below and proximate to said inflatable anchor device along said primary tube such that said fluids may pass into the primary tube.
A method of preventing infection within a patient's bladder comprising the steps of:
- inserting a catheter having an expandable anchor at its distal end and a drainage aperture positioned below said anchor through a urethra and into and beyond a bladder outlet into the bladder,
- causing or allowing said anchor to expand within the bladder beyond said bladder outlet;
- and
- positioning at least a portion of said aperture between said anchor and a lower portion of said bladder thereby fully evacuating the bladder and preventing urine from remaining therein and causing infection.
A method of irrigating a hollow structure within a patient comprising the steps of:
- inserting a catheter having an expandable anchor at its distal end and a drainage aperture positioned below said anchor through the surface and into and within the hollow structure;
- expanding the anchor, and
- positioning at least a portion of said aperture between said anchor and an interior surface of said hollow structure.
A method of preventing the pathological expansion of an expandable anchor attached to the distal end of an indwelling catheter within a urethra comprising the steps of:
- inserting an indwelling catheter within a urethra, said catheter having a elongate primary tube having a proximal exit end for collecting or dispensing fluids and a distal receiving end, said primary tube having one or more drainage apertures for receiving fluids, an inflatable anchor carried proximal to the distal end of said primary tube, said primary tube carrying a secondary tube for passing or receiving a substance to said inflatable anchor device and wherein the one or more drainage apertures are laterally positioned below and proximate to said inflatable anchor device along said primary tube such that said fluids may pass into the primary tube;
- continuing to insert the catheter into the urethra until fluid appears or emerges from the proximal collecting end of said primary tube thereby indicating that the inflatable member has been inserted beyond the urethra and completely within the bladder.
- inflating the inflatable anchor and securing the drainage port within the bladder.
Dependencies are inferred from the claim text.