Any theories as to why some implants take way more pumps than others ?

[Lost Sheep]

I neither like nor dislike it. In some way, I don't give a shit. I can get my implant as hard as I want and I know what it takes to get there. So in some way, this post, as many others here, doesn't really matter to anyone.
This is just kind of interesting. How is it possible that you claim two doctors say something that I think I can easily prove wrong? What is the catch here?

Oh, yes. One should never let facts get in the way of provable truth.

One thing is that you say he said "to get to max erection". That doesn't necessarily mean pumping till the pump cannot be squeezed anymore. Max erection is maybe for him to pump till the point where he sees that the dick gets full, all crinkles are gone, etc. That could be the explanation.

(edited for brevity)

Till then, I keep saying your docs are either full of BS, or we have something else messing things up here which none of us has thought of.

They might not be wrong. You just mentioned one of the possible explanations that I posted yesterday. A difference in the degree of inflation considered to be "max erection".

(edited for focus and brevity)

Ask them some questions to poke holes in their story then. (Or to explain where I go wrong.)
Ask them if it is correct that a pump contains 2.5 cc.
If so, tell them that in that case all the saline they can move with 17 pumps is 43 cc.
If so, ask them why there are 125 cc Coloplast reservoirs on the market.
Ask them if they have ever installed one sinlge reservoir larger than the smallest size.
If so, why? Because then their story just doesn't make sense...
.

Merrix, have you thought of asking your Patient Liaison these questions? Also, no matter how voluminous the pump bulb is, how much volume can be transferred when squeezing that bulb inside a human scrotum. I doubt it is 100%.

[merrix]

This is actually getting rather boring, but ok, one more post from me.

I actually did ask someone. Maybe the most knowledgeable man on the planet when it comes to implants. And he basically confirmed what I have been saying here in all these posts over and over again.
So that’s it for me in this thread. I rest my case knowing I am right.
Why the sources referred to in this thread talk nonsense I don’t know and I won’t bother anymore to find out either.

All the best.

[Evinrude]

Couple of interesting videos at below link. For what appear to be similar size dicks notice the medical professional uses 14 pumps but the "end user" uses about 21 pumps.

https://healthy-male.com/education/infl ... e-implant/

[Bailey]

Evinrude, Thanks for sharing the great videos.

[Lost Sheep]

I actually did ask someone. Maybe the most knowledgeable man on the planet when it comes to implants.

You asked yourself?

[Dave52]

I don't have the same size implant as Merrix 20 CM but I can tell you that if I want full on rock hard I need 38 to 40 pumps 14 will not do.
Dave

[Evinrude]

I don't have the same size implant as Merrix 20 CM but I can tell you that if I want full on rock hard I need 38 to 40 pumps 14 will not do.

Do you remember if it took that many (or nearly that many) pumps at first activation ?

I'm wondering if you high pump number guys might have either an inefficient or internally leaking valve in your pump .... like a leaky heart valve...i.e. leaks when pumping but holds pressure when done.

I dismissed my first RN's mention of possible leaks at first because I was thinking in terms of external leaks where the well would eventually go dry.... but an internal leak / fluid bypass or valve that doesn't move the fluid as well as designed would explain the extreme differences in pump numbers.

[Cayman]

delete

[Lost Sheep]

I'm wondering if you high pump number guys might have either an inefficient or internally leaking valve in your pump .... like a leaky heart valve...i.e. leaks when pumping but holds pressure when done.

I thought of that, too, but could not express it as well as you just did. I imagine that such performance might be like thiS:

1) Squeeze the pump bulb and the checkvalve opens to allow fluid into the implant tubes (is there any potential for some of this squeeze circulating back to the reservoir? Perhaps the checkvalve between the bulb and reservoir leaking a bit?)

2) Release the pump bulb and the checkvalve between the tubes and the pump bulb begins to close (under the backflow of tubes into the pump bulb or reservoir). The backflow that drives the closing might be substantial and result in less NET volume per squeeze.

3) When the pump bulb begins to refill from the reservoir, there might be potential for leakage from the tube/bulb checkvalve.

4) When initiating each squeeze (just at the instant of initiation), opening the tube/bulb checkvalve might generate enough pressure to open the relief valve between tube and reservoir. (Note: There is some question if this valve exists in various models of the manufacturers.)

Just brainstorming.

Thanks Evinrude.

[merrix]

Guys, I really don’t understand why you keep coming up with your theories and just keep refusing to see the obvious.

Before delivering another creative theory, explain - or realize the following:
Fact 1: the theoretical size of one pump is 2.5 cc.
Fact 2: 125 cc reservoirs exist and are frequently used.
Fact 3: if 17 pumps was the maximum, nobody would ever need more than 43 cc. Why then does a 125 cc reservoir even exist, and why do doctors use them?

As long as you don’t have a good explanation to this, why do you keep coming up with your theories?

You can also take a look here:
http://www.ajandrology.com/article.asp? ... last=Pryor

Table 5 shows median #of pumps to full inflation for Titan implants 18 cm and up.
Median is 37, maximum 69.
They also state that one pump delivers “a little more than 2 cc’s”, which makes perfect sense with the pump’s volume being 2.5 cc since it would be practically impossible to squeeze 100% of the fluid out.
Which again raises the question why 125 cc reservoirs exist. If one pump delivers 2 cc and your theory of nobody needs more than 17 pumps is true, then maximum needed reservoir size is 34 cc. Tell me then why Titan has 75cc and 125cc reservoirs????

So please tell me, what is it with the above you don’t agree with or understand?