The synopsis wasn't very through. To what pressure was this guy pumping? How long was he pumping, per session. What, precisely, about the pumping process caused the damage, and does a similar effect occur when clamping?
 
It is well known that overpumping WILL cause impotence, this is why most advocate the use of low pressures when pumping and most important is to use a pump with a guage. I find the conclusion to be unfounded...

CONCLUSIONS: Vacuum erection devices create pulling forces on the penis. We estimate that the pulling forces in this case were prohibitively high (approximately 29 pounds) due to absence of a pressure-release valve and to the preexistent erection at vacuum application. These intense pulling forces are hypothesized to have damaged the tunica in the mid shaft (Peyronie's disease) and the crus (veno-occlusive dysfunction), the latter being the site of attachment of the corpora to the ischiopubic ramus and a most likely location for high magnitude pulling forces to exert an abnormal injury effect

If this was true, then stretching and hanging would cause the same thing... There are too many people doing Penis Enlargement (and hanging) for this to be true. This just shows how little doctors really know about the penis and Penis Enlargement.
 
wants9 said:
The synopsis wasn't very through. To what pressure was this guy pumping? How long was he pumping, per session. What, precisely, about the pumping process caused the damage, and does a similar effect occur when clamping?

your questions about pressure and what about the pumping process caused the damage were both answered in the conclusion. and the clamping question has absolutely nothing to do with this study.
 
Yea, 99% of doctors would freak if I emailed them a pic of me with 30lbs on my penis.
 
sikdogg said:
It is well known that overpumping WILL cause impotence, this is why most advocate the use of low pressures when pumping and most important is to use a pump with a guage. I find the conclusion to be unfounded...



If this was true, then stretching and hanging would cause the same thing... There are too many people doing Penis Enlargement (and hanging) for this to be true. This just shows how little doctors really know about the penis and Penis Enlargement.


then what is a good cutoff for pressure when pumping?
 
gorillaunit said:
your questions about pressure and what about the pumping process caused the damage were both answered in the conclusion. and the clamping question has absolutely nothing to do with this study.

Actually it never mentions pressures... vaccum pressure is measured in inches of water or inches of mercury, not in pounds. What they were talking about in the conclusion is the damage caused by the pulling forces caused by pumping. To get 29 pounds of pulling force, these bozos must have pumped at some extremely high vaccum pressures. I hang with 20 lbs and there's absolutely NO WAY that pumping at safe pressures (~5-10 in hg) can create that kind of pulling force.
 
stillwantmore said:
Yea, 99% of doctors would freak if I emailed them a pic of me with 30lbs on my penis.

Hmm, that brings up an interesting question: How many Penis Enlargement'ers have told their doctors about it?

gorillaunit said:
your questions about pressure and what about the pumping process caused the damage were both answered in the conclusion. and the clamping question has absolutely nothing to do with this study.
I did miss the line about the 29lbs of pressure, but the "how" info was scant. They hypothicize that the vacuum damaged the tunicae, but they don't say (in the synopsis) how that process develops. As for the clamping, I know it wasn't part of the study, I'm just wondering how WE can apply the study to clamping.
 
I'm going to wager to say that clamping is not capable of affecting the penis in the same manner as pumping... With pumping you're introducing air into the penis as well as the blood that is already in there, which can be a dangerous combination if not carefully monitored., as with blowing up a balloon it is possible to blow the penis up to the point that it essentially "pops" and becomes useless. With clamping, all you're doing is allowing more blood to enter the penis...it's impossible to force enough blood into the penis through kegeling to cause this same "pop."

The real danger with clamping comes in leving the clamp on too long, thereby not allowing oxygenated blood to reach the cells of the penile chambers. This can cause anything from lack of sensation, to impotence...
 
Besides, anyone crazy enough to pump 29 lbs. of pressure into their dick is just asking for a mishap...that's completely insane. I don't know the average lbs. used by most pumpers, but 29 lbs. seems like it is inviting a problem... Hell, you could air up your tires on your car with 29 lbs. of pressure.
 
sikdogg said:
Actually it never mentions pressures... vaccum pressure is measured in inches of water or inches of mercury, not in pounds. What they were talking about in the conclusion is the damage caused by the pulling forces caused by pumping. To get 29 pounds of pulling force, these bozos must have pumped at some extremely high vaccum pressures. I hang with 20 lbs and there's absolutely NO WAY that pumping at safe pressures (~5-10 in hg) can create that kind of pulling force.

just out of curiosity, have you, do you, or will you ever pump(ed)?
 
oopapercutoo said:
Besides, anyone crazy enough to pump 29 lbs. of pressure into their dick is just asking for a mishap...that's completely insane. I don't know the average lbs. used by most pumpers, but 29 lbs. seems like it is inviting a problem... Hell, you could air up your tires on your car with 29 lbs. of pressure.
You can't pump to 29 lbs of pressure cuz pumping is really an incorrect term, it should be called vaccuming. Pumping is positive pressure measured in lbs, but vaccum in negative pressure measured in inches of mercury (in hg). The study talked about 29lbs of pulling pressure caused by pumping. As i mentioned in an earlier post, they must have been pumping at some extreme pressure to get 29lbs of pulling force.
 
oopapercutoo said:
I'm going to wager to say that clamping is not capable of affecting the penis in the same manner as pumping... With pumping you're introducing air into the penis as well as the blood that is already in there, which can be a dangerous combination if not carefully monitored., as with blowing up a balloon it is possible to blow the penis up to the point that it essentially "pops" and becomes useless. With clamping, all you're doing is allowing more blood to enter the penis...it's impossible to force enough blood into the penis through kegeling to cause this same "pop."

The real danger with clamping comes in leving the clamp on too long, thereby not allowing oxygenated blood to reach the cells of the penile chambers. This can cause anything from lack of sensation, to impotence...

Just what I was gunna say.
 
Pumping draws air into the penis? I have never heard that.

All I know is I get a really intense internal stretch from clamping sometimes, and it frightens me...
 
sikdogg said:
Yes i have, but not pumping at the moment. I will pump again once i start working on girth.


has it messed with your ability to attain and maintain an erection without cock rings, clamps, or medications? how long did you do it for each session and also how many days,weeks, months, etc.? what pump did you use?
 
Hi all, I doubt if this is really a valid report. I have peyronies and this disease is from a trama and not from what they are saying. 29 pounds of pressure is really hard to achieve. I have gotten up to 15 pounds and that ill about pull your penis out of your body. Peyronies is from a trama to the penis that bends or breaks it from inside or out. I would not be excited too much about this. GS
 
No it didn't affect my erections in any way. I bought a pump with a guage so i knew exactly how much pressure i was using. I pumped for 10-15 min sessions and did two sets every night 5 days a week. I did this for about a month and gained .5" in girth. I only pump every now and then, maybe once a week at most and i've kept my gains.
 
sikdogg said:
No it didn't affect my erections in any way. I bought a pump with a guage so i knew exactly how much pressure i was using. I pumped for 10-15 min sessions and did two sets every night 5 days a week. I did this for about a month and gained .5" in girth. I only pump every now and then, maybe once a week at most and i've kept my gains.


wow, that's a big gain for only a month! did you lose any sensation in your penis? any deformaties or shape changes? is your pump an FDA approved one? how much did it run you? and when you pump for 10-15 minutes, does this mean that you pump and clamp off for that period of time and do nothing else (no Penis Enlargement exercises while clamped off)? sorry for all of the questions. i'm just researching as much as i can about pumping, the good and bad. thanks.
 
gorillaunit said:
wow, that's a big gain for only a month! did you lose any sensation in your penis? any deformaties or shape changes?

No, i didn't lose any sensation nor did i get any deformities/shape changes. These types of side effects can only happen if you overpump.

is your pump an FDA approved one? how much did it run you?

FDA approval is overratted and not necessary, are bib hangers FDA approved?? Is Penis Enlargement?? FDA approval is only a marketing point for a doctor to sell his wares. What's important when buying a pump is that you get one that has a guage. A good quality manual pump will start around $120.

and when you pump for 10-15 minutes, does this mean that you pump and clamp off for that period of time and do nothing else (no Penis Enlargement exercises while clamped off)?

I pumped in conjunction with DLD's [words=http://www.mattersofsize.com/forum/penis-enlargement-newbie-forum/1597-dlds-first-routine-i-gained-2-inches-with-this-routine-full-tutorial.html]newbie routine[/words]. When i say i pumped for 10-15 minutes, my penis stayed in the pump for that time, I didn't clamp off. I got myself erect, pumped for 10-15 min, did 200-400 jelqs, pumped again for 10-15 min, then finished with a ROP fitted very snug for an hour or two.

sorry for all of the questions. i'm just researching as much as i can about pumping, the good and bad. thanks.

No prob, we're all here to learn...
 
just bought a pump wit a nice lil gauge on it. and for all you people who are like me and wanna see results NOW, get a pump. at first its uncomfortable how all the blood rushes up there and gets trapped for that period of time and stretches out the muscles.but once you pull it out after a session you can immediately see how fat and plump its gotten plus it hangs lower too! another thing, I also have peyronese with a slight curve to it, when I pump you cant really tell. I just encorporated it with my daily routine, I usually :
wrap(5mins)
stretch(5mins)
constrict (15 mins)
pump(5mins)
stretch (5mins)
___total time = 35minutes
and thats just my morning routine, at night I try to add 1 min to the time i did the day before. so each day ill do it a little longer.
Im mainly going for girth. but if you wanted to go for length Im sure the pump will make you happy also. as far as my peyronese, as you know there is no cure besides surgery, but ill make the best of what i have no matter what.
 
I have pumped and clamped,pumping doesn't seen to help with the growth in girth that clamping does maybe thats just me,when clamping I get very defined veins in my cock,I don't see this with pumping,mayge just the build up of lymph fluids makes it seem that way.althoug I see some lymph fluid while clamping.
 
I know what you mean when comparing pumping vs clamping, but my experience with pumping is that i gained quite a bit in girth just from pumping with DLD's [words=http://www.mattersofsize.com/forum/penis-enlargement-newbie-forum/1597-dlds-first-routine-i-gained-2-inches-with-this-routine-full-tutorial.html]newbie routine[/words]. I haven't pumped in a while and i haven't lost any girth. Maybe all the jelqing i've been doing has cemented the gains from pumping. Clamping is definitely very intense and feels like it would be a more effective girth exercize when compared to pumping. I've been thinking about pumping then clamping immediately after... i haven't done this yet cuz i don't like my Penis Enlargement workouts to go for more than an hour, but one of these days...
 
Caution is important in pumping. Guys, don't get more than 10 pounds vaccum. How anyone could go beyond 15 pounds is beyond me. It would be very painful. Time and 4-5 pounds is better. I am not sure that the fluid you pump into your penis is blood? I don't know. I see the pumpers who pump to huge porportions and it is gross. You can straighten your penis with the pump and that will help but it is just one stage of correction of Peyronies. Also, and I have pumped a lot....you don't need to spend a lot of money for a pump. Go to the local auto parts store and buy one. They are only about $30 bucks. They also have a good gage on them. That is where Joel kaplan gets his pumps and sells them for $120. Any questions, PM me. GS
 
It would depend somewhat on the guys girth/frontal surface area as to how much force was created by the vaccum, but if he was say 5.5"G, those 29lbs would probably be in the ball park of 24-26Hg!
 
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