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what is a patent catheter

by Clay Roob II Published 3 years ago Updated 3 years ago

Full Answer

What is the patent number for a catheter bag?

Patent number: 10350381. Abstract: An assembly comprising a catheter package, a catheter and a collecting bag is provided. The assembly has means for preventing flow of liquid through the catheter during storage. A sealing element closing the eyelets is provided.

What is a patency of a catheter?

(plural patencies) (medicine) The degree of openness of a tube, such as a blood vessel or catheter; the relative absence of blockage. Measured in percent. (uncountable) Obviousness; clarity. Similarly, is inserting a catheter an invasive procedure? Urinary catheterization.

What is a catheter used for?

Catheters are also used to remove the urine from your body before having some types of surgery. The type of catheter and the length of time you will need one depend on your health status. Depending on your health and how long you’ll need help peeing, your doctor might recommend:

What is the field of the invention of urinary catheter?

Field of the Invention This invention relates to an improved urinary catheter having a unique, low profile, low volume consuming means by which to retain the catheter within the bladder so that urine can be removed therefrom. 2. Prior Art

What does catheter patent mean?

Catheter patency solutions are designed to mechanically rinse out the catheter rather than be instilled into the bladder. They must be prescribed according to local policy and administered following manufacturer guidelines.Apr 10, 2018

How do you check the patency of a Foley catheter?

The patency of a catheter can be checked via the sampling port or catheter tubing. A blocked catheter should be flushed via the catheter tubing, this is of particular importance in case of blood clots or mucus (for example after a bladder augment).

What are the three types of catheters?

There are 3 main types of catheters:
  • Indwelling catheter.
  • Condom catheter.
  • Intermittent self-catheter.
Jan 10, 2021

What are the four types of catheters?

  • Indwelling catheters (urethral or suprapubic catheters) An indwelling catheter is a catheter that sits in the bladder. ...
  • External catheters (condom catheters) A condom catheter is a catheter placed outside the body. ...
  • Short-term catheters (intermittent catheters)

What is an urgent reason for Catheterizing a patient?

A urinary catheter tube drains urine from your bladder. You may need a catheter because you have urinary incontinence (leakage), urinary retention (not being able to urinate), prostate problems, or surgery that made it necessary.Jan 10, 2021

Why does my catheter hurt when I sit down?

Not Enough Lubrication: When catheters aren't properly lubricated, they can cause more friction inside your urethra. Under lubrication with catheters can lead to scarring, pain, bleeding, and further trauma.Sep 28, 2021

What is the difference between a Foley and a catheter?

An indwelling urinary catheter is inserted in the same way as an intermittent catheter, but the catheter is left in place. The catheter is held in the bladder by a water-filled balloon, which prevents it falling out. These types of catheters are often known as Foley catheters.

What is the alternative to a catheter?

We discuss below the most common alternatives to the indwelling urinary catheter: External catheters for men (condom catheters), • Intermittent (“in-and-out” or “straight”) catheterization, • Programmed toileting, and • Suprapubic catheterization. External catheters for male patients are underused.

What is the smallest urinary catheter?

Foley Catheter Sizes

In general, urinary catheters range in size from 8Fr to 36Fr in diameter. 1 Fr is equivalent to 0.33 mm = . 013" = 1/77" in diameter.

Can you still pee with a catheter in?

They can either be inserted through the tube that carries urine out of the bladder (urethral catheter) or through a small opening made in your lower tummy (suprapubic catheter). The catheter usually remains in the bladder, allowing urine to flow through it and into a drainage bag.

Can a catheter be put in wrong?

Accidental placement of Foley catheter in ureter is a rare phenomenon. It is more common in females with neurogenic bladder who have hypocontractile bladder or there can be iatrogenic placement during surgical procedures.Aug 17, 2018

Do catheters cause incontinence?

Incontinence - Patients may experience continence problems immediately after catheter removal; these may settle within a few days or take longer, depending on how long the catheter has been in situ.May 15, 2017

What Is A Patent Foramen Ovale (PFO) Closure Device Placement Procedure?

Catheter-based procedures are commonly used to diagnose and treat heart-related problems, such as clogged arteries and heart attacks. A catheter ca...

How Long Does The PFO Closure Procedure take?

The cardiac catheterization procedure for a PFO closure typically takes one to two hours to complete. A local anesthetic is used to numb the groin...

What Types of PFO Closure Devices Are available?

There is currently one device (the Amplatzer® PFO occluder) approved by the FDA specifically for PFO closure. Devices approved to close other types...

How Does The Catheter-Based PFO Closure Procedure Compare With The Use of medication?

Three clinical trials comparing the catheter-based procedure for PFO closure with medical therapy (the blood-thinning drugs aspirin or warfarin) ha...

What is a catheter used for?

Catheter-based procedures are commonly used to diagnose and treat heart-related problems, such as clogged arteries and heart attacks. A catheter can also be used to guide the placement of a patent foramen ovale (PFO) closure device - which becomes a permanent implant - that will close the hole (prevent the flap from opening) in the heart wall.

What is a catheter based procedure?

Catheter-based procedures are commonly used to diagnose and treat heart-related problems. A cardiac catheterization involves slowly moving a catheter (a long, thin, flexible, hollow tube) into the heart. The catheter is inserted into a large vein through a small incision, made usually in the inner thigh (groin area), ...

What is the FDA approved PFO closure device?

There is currently one device (the Amplatzer® PFO occluder) approved by the FDA specifically for PFO closure. Devices approved to close other types of holes (atrial septal defect or ventricular septal defect) can also be used to close a PFO. PFO closure devices currently being used at Cleveland Clinic include the GORE® CARDIOFORM Septal Occluder and the Amplatzer® PFO occluder.

Where is a cardiac catheter inserted?

The catheter is inserted into a large vein through a small incision (cut), made usually in the inner thigh (groin area), and then is advanced into the heart. One or more tests will be done to measure ...

Can a catheter incision hurt?

There may be minor pain at the catheter incision site.

Why might I need patent foramen ovale transcatheter repair?

Most PFOs do not cause any symptoms and do not need any treatment. But sometimes PFOs can lead to complications. The most significant of these is stroke. Stroke can result from a traveling blood clot that blocks a blood vessel in the brain. PFOs do not cause most strokes, but having a PFO may slightly increase the risk for stroke in some people.

How does a transcatheter repair work?

But in most people, it closes soon after birth. During transcatheter repair, a healthcare provider inserts a device that can plug up the PFO. This device attaches to the end of a long, flexible tube called a catheter. The healthcare provider inserts the catheter through a blood vessel in the groin and guides it to the PFO.

What threads the tube through the blood vessel all the way to the PFO?

The provider threads the tube through the blood vessel all the way to the PFO.

What is the purpose of an electrocardiogram?

Electrocardiogram to look at your heart rhythm

What happens to the insertion site after a syringe is removed?

The insertion site will be closed and a bandage will be applied .

Can hair be removed before catheter insertion?

Hair from around the catheter insertion site may be removed before the procedure.

Is transcatheter repair more invasive than surgical repair?

A transcatheter repair is less invasive than a surgical repair. You usually recover more quickly. Your healthcare provider might be less likely to recommend this treatment if you need surgical repair for another heart problem in addition to the PFO. Ask your healthcare provider what treatment is best for you.

What is a catheter?

A catheter for insertion into a cavity, duct, or vessel to permit injection or withdrawal of fluids or to establish patency of a passageway comprises an elongated tubular catheter body having a distal end and a proximal end and an outer diameter, a drainage lumen extending through the catheter body from the distal end to the proximal end, the drainage lumen communicating with an opening in the catheter body at the distal end of the catheter body, an inflation lumen formed in the catheter body, and one or more of the following: a) inflatable tube sections disposed on the catheter body at the distal end of the catheter body for securing the distal end of the catheter body in a desired location when the tube sections are inflated, b) a valve connected to the inflation lumen for permitting backflow of the inflation fluid from the inflation lumen through the valve when a pre-set pressure value is reached, and c) a hollow reservoir for holding a pre-determined volume of inflation fluid.

Why is Foley catheter pooling?

This urine pooling problem occurs because good drainage of urine from a patient's bladder is often difficult or impossible using a Foley catheter. Due to the structure of the Foley catheter, the opening to the drainage lumen is positioned above or away from the entrance to the patient's urethra when the distal end of the catheter body is retained in a patient's bladder since the opening to the drainage lumen is positioned between the retaining balloon and the distal end of the catheter body. Similarly, due to the structure of the Foley catheter, properly irrigating a patient's bladder using a Foley catheter is often difficult.

What is the preferred valve 29?

Since the preferred valve 29permits backflow when a pre-set pressure release level is reached, the pre-set pressure release level being at or just below the amount of pressure created in the inflation lumen 25and the tube sections 23when attempting to remove the inventive catheter 11from a person's bladder while the tube sections 23of the invention are inflated, the risk of injury to a person's urethra associated with accidental removal of a Foley catheter from a person's bladder while the balloon of the Foley catheter is inflated is eliminated with the inventive catheter 11.

What is the valve in a catheter 11?

As shown in FIGS. 1 and 2, catheter 11is provided with a valve 29positioned at an inflation port 31formed in the catheter body 13through which inflation fluid 24is passed into the inflation lumen 25. The valve 29is constructed to permit insertion of inflation fluid 24into the inflation lumen 25and subsequently to the inflatable tube sections 23and for preventing backflow of the inflation fluid 24from the inflation lumen 25during normal operation of the catheter 11. An exemplary valve 29is that made by Bard, but other companies make such valves.

How does Foley catheter work?

The Foley catheter is provided with an inflatable retaining balloon near the distal end of the catheter body, located short of the opening to the drainage lumen, for securing the distal end of the catheter body in the patient's bladder. The retaining balloon is filled by injecting fluid with a syringe through a small filling channel. The fluid is retained by a valve which closes after removal of the syringe.

Why is the catheter tip smooth?

Another object of the invention is to provide a catheter having a smooth tip at its distal end to avoid irritation of a patient's bladder as often happens due to the structure at the distal end of a Foley catheter and a Mallacote catheter.

Where is catheter 11 inserted?

In use, catheter 11is inserted into a cavity, duct, or vessel. For example, if the catheter 11is being used as a urinary catheter, the catheter body 13is inserted through a person's urethra and into a person's bladder such that the distal end 15of the catheter body 13, along with the tube sections 23, are located in the person's bladder and the main portion of the catheter body 13is located in the person's urethra. Then, inflation fluid 24is inserted from a syringe 37into the inflation lumen 25through the port 31to the tube sections 23to inflate the tube sections 23, thereby securing the distal end 15of the catheter 11in place in the persons'bladder.

What is a catheter retaining device?

What is more, the catheter retaining means is adapted to provide little resistance in the event that the patient should suddenly and forceably jerk the catheter out of his bladder. That is to say, the retaining device will automatically conform to the dimensions of the urethra and thereby not oppose a removal of the catheter. In this manner, the urinary tract of the patient will be subjected to minimal trauma and experience less damage.

What is improved urinary catheter?

An improved urinary catheter having a unique, low volume device by which to retain the catheter within the bladder, so that urine can be removed therefrom. The retaining device consumes less volume in the bladder than that which would ordinarily be consumed by a conventional Foley-style balloon, whereby both the frequency and severity ...

How to tether balloon 34 to catheter 1?

The balloon 34 is preferably tethered to the catheter 1 by means of a narrow flexible band 46. Accordingly, should the edge 36 of the balloon 34 be removed from its catch 38, whereby to completely detach the balloon from the catheter 1, the balloon will still remain connected to the catheter by the band 46.

How do retaining fingers work in a catheter?

The fingers are seated upon the bladder to retain the catheter therewithin. The fingers assume a torroidal (rather than a spherical) configuration, but consume a much smaller volume within the bladder than a Foley-style balloon. Urine may then be removed from the bladder in the normal fashion through the urine inlet aperture 4 and urine passage 2. However, should the patient suddenly attempt to pull out the catheter with the retaining fingers advanced outwardly thereof, the retaining fingers will be correspondingly pulled toward the bottom of the bladder. By virtue of the resilient nature thereof, the normally coiled fingers 56 will extend proximately (in the direction shown in FIG. 11) when the catheter is pulled through the patient's urethra. Hence, the retaining fingers 52 automatically yield or straighten in response to the force which is exerted thereon by the urethra, whereby to offer little resistance to the removal of the catheter. Thus, the catheter 1 of FIGS. 7 and 8 may be pulled completely through the patient's urinary tract without imparting significant damage.

Does a retaining device reduce bladder spasms?

The retaining device consumes less volume in the bladder than that which would ordinarily be consumed by a conventional Foley-style balloon, whereby both the frequency and severity of urinary bladder spasms, which are induced by pressure against the trigonal area of the bladder, can be reduced.

Does Foley catheter occlude urine?

What is still more, the conventional Foley catheter has no means to selectively occlude the central urine passage thereof. Therefore, that is no way to temporarily interrupt the flow of urine through the catheter. Likewise, there is no way to inhibit to ascent of infection up the catheter and into the bladder.

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