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    Suprapubic Catheter ?

    I had a suprapubic catheter done back in September of last year. My doctor fitted me with a size 20 french. I'd like to try one of those newly designed catheters that have the bubble at the end since my bladder is so small. They only go up to an 18 French though. Do any of you for see any problems with me trying the 18?

    #2
    Are you talking about trying the Poiesis Duette catheter. These catheters have two balloons, with the drainage eyelets between the balloons.

    You probably shouldn't have any trouble trying the 18Fr guage. The difference, as you can see below, is pretty minimal and the stoma should heal around the circumference of the catheter pretty quickly. Running the change past your urologist is probably a reasonable thing to do.

    French Gauge 18 - Circumference is 18.85mm
    French Gauge 20 - Circumference is 20.94mm

    French Gauge 18 - Diameter is 6mm
    French Gauge 20 - Diameter is 6.67mm

    French Gauge 18 - Diameter is 0.236 inch
    French Gauge 20 - Diameter is 0.363 inch

    Pick a time when you have some down time, when you will be home and can monitor things. It might be a good idea to insert the smaller catheter early in the evening, allowing all night for the stoma to heal around the smaller size.

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      #3
      I've got a 16.
      Rick Goldstein
      GO! Mobility Solutions
      facebook.com/goes.anywhere

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        #4
        That's exactly the catheter that I'm wanting to try. I've received my samples and would like to see if I can drain better. I'm waiting for word from my urologist too. Thanks for your info��.

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          #5
          Originally posted by kmelinda View Post
          That's exactly the catheter that I'm wanting to try. I've received my samples and would like to see if I can drain better. I'm waiting for word from my urologist too. Thanks for your info��.
          Don't be surprised if your doctor has never heard of these catheters. Mine hadn't.

          I think it is worth mentioning that you need to read the directions for filling the balloons. The amount of fluid you use to inflate the balloons is different.
          1. Fill the *Non Black* valve port (Anchor Balloon) with 10cc of Sterile Water.
          2. Fill the Black valve port (Protective Balloon) with 5cc of Sterile Water.

          *Non Black* valve port and catheter sizes in French gauge
          14 Fr is green
          16 Fr is orange
          18 Fr is red
          Last edited by gjnl; 23 Jan 2017, 10:03 PM.

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            #6
            Thanks for the extra information. I was wondering about the balloons and planning on reading the material before trying a catheter. I may have to tweak the bubble amounts though. My bladder only holds about 30ccs.

            Actually, my urologist has heard of these catheters, but she didn't know much about them. She was planning on researching them further.

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              #7
              Originally posted by kmelinda View Post
              Thanks for the extra information. I was wondering about the balloons and planning on reading the material before trying a catheter. I may have to tweak the bubble amounts though. My bladder only holds about 30ccs.

              Actually, my urologist has heard of these catheters, but she didn't know much about them. She was planning on researching them further.
              While tweaking the amount of fluid to inflate supra pubic balloons is something that many do, it is worth noting that a supra pubic catheter is always draining, so 15cc of balloon inflation shouldn't make any difference, since your bladder doesn't retain or hold bladder, which is why the bladder gets smaller on a constantly draining catheter. Some sources purport that taking an anticholinergic helps to retain bladder size.

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                #8
                I was using a 22fr before switching to the Duette. I went from leaking daily around the stoma before using the Duette to occasionally, and for about the last 5 months have only leaked when I had excessive bowel pressure on days when I drank more than usual. You shouldn't have difficulties switching.

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                  #9
                  Is there any possibility this company might start making their catheters in a larger size? I use a fr22 and put it like to try them but the 18 is much too small.
                  Courage is being scared to death but saddling up anyway. .(John Wayne)

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                    #10
                    Originally posted by Cowboys_Place View Post
                    Is there any possibility this company might start making their catheters in a larger size? I use a fr22 and put it like to try them but the 18 is much too small.
                    Read the post just above yours:
                    Originally posted by Scott C4/5 View Post
                    I was using a 22fr before switching to the Duette. I went from leaking daily around the stoma before using the Duette to occasionally, and for about the last 5 months have only leaked when I had excessive bowel pressure on days when I drank more than usual. You shouldn't have difficulties switching.

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                      #11
                      Originally posted by Cowboys_Place View Post
                      Is there any possibility this company might start making their catheters in a larger size? I use a fr22 and put it like to try them but the 18 is much too small.
                      They are working on a larger (20fr) size. When they get past testing they will be releasing it, but the 18fr is working really well for me now.

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                        #12
                        Originally posted by gjnl View Post
                        While tweaking the amount of fluid to inflate supra pubic balloons is something that many do, it is worth noting that a supra pubic catheter is always draining, so 15cc of balloon inflation shouldn't make any difference, since your bladder doesn't retain or hold bladder, which is why the bladder gets smaller on a constantly draining catheter. Some sources purport that taking an anticholinergic helps to retain bladder size.
                        I've started using less saline for better draining with the conventional catheters. Actually, my sci urology nurse recommended that. It doesn't cause the catheter tip to dig into my bladder wall as often. But, after giving some thought to the Duette's design, that shouldn't be an issue. So, yes, I'm thinking the full amount of will not be an issue now.

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                          #13
                          I just ordered a duette sample, i'm concerned because i use a 24fr catheter now but constantly disreflexic from the tip digging in my bladder. going from 24 to a 18 is a big jump. duette company said they might have a 20fr ready for market in 6 months

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                            #14
                            Originally posted by bert View Post
                            I just ordered a duette sample, i'm concerned because i use a 24fr catheter now but constantly disreflexic from the tip digging in my bladder. going from 24 to a 18 is a big jump. duette company said they might have a 20fr ready for market in 6 months
                            French gauge 24 is 25.30mm in circumference
                            French gauge 18 is 18.85mm in circumference

                            That is a 6.65mm difference or a tiny bit over 1/4 inch. When you think about circumference, that really isn't a lot, especially when stomas can close so quickly.

                            I hope Poiesis does come out with a 20Fr Duette catheter, but that has been the story for about a year. Maybe that means they are closer to bringing it to market, I don't know.

                            When you decide to try the 18Fr Duette catheter, pick a couple of days when you will be home and have some down time to monitor what is going on with the catheter. Possibly inserting the catheter when you get into bed for the night is a good idea because you may be able to prepare for any possible leaking with absorbent pads, where that may be more difficult dressed and up in your chair.

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