FrankTalk.org

A pumpless inflatable

I have been looking at drawings and pictures of the inflatable prostheses and wonder if the pump could be built into an articulated RTE (rear tip extender) so that the action of foreplay and coitus would operate the pump to inflate the prosthesis.

In this way, the erection would grow gradually and emulate a natural erection. A pressure relief valve would keep over-inflation from happening.

I believe this could be easily done with some modification of the RTE and a deflation valve built into the RTE (if it can be reached by the owner's hand at the base of the penis) or in the scrotum (much smaller and unobtrusive than the current pumps and valves).

Combining the left and right RTEs into a single piece (if that is possible) would make the engineering pretty simple and almost all the tubing would be solid-cast into galleries and valves inside the solid part of the unit, ALL of the high-pressure parts would be INSIDE the solid part of the unit, thus protected from most damage. Only the (single) tube communicating to/from the reservoir would be outside the unit if the deflation valve were able to be cast into the RTE. Otherwise it would be in a short loop in the scrotum.

I have a rough drawing if anyone wants to have a look. The drawing shows a circular cross-section. This shape would not be possible, but changing it to an ellipse was more than I had time for.


The red bulbs are the inflation pump. Three so that axial movement or rocking movement in any direction will cause pumping

The gray is solid material

Six one-way valves ensure flow through the pump bulbs is always INTO the inflatable parts Only four are shown

The big circle in the center (blue/orange) is the release valve. Always open until erection is desired, then you toggle it closed. It may also be thought of as the deflation valve or the inflation lock valve). It is shown in a central location for simplicity but could be anywhere in the body of the RTE on the surface, maybe, if that is convenient or, if necessary, in the scrotum.

The unit is always "on" and fluid (saline) is permitted to flow through the bullbs into the inflatables and back into the reservoir, but if desired, a couple more valves could be used to lock out all flow once deflation is effected. Auto-inflation a thing of the past, even if the reservoir is squeezed.

The tubing back to the reservoir and the reservoir is shown in blue. This tubing is ALWAYS low-pressure, reducing chance of leakage failure.

The orange, of course is the pathway for the fluid to enter the inflatables.

The green, yellow and purple bridging the gap at the articulation is a flexible sleeve/tube which is to stabilize the articulation joint This is potentially a point of wear.

The pressure relief valve (If one is necessary) that prevents over-inflation is not shown

The diagram to the far right is a view of how the inflation and deflation galleries would be cast into the upper base unit. It may be necessary to make this part with 3-D printing or casting the unit in pieces before assembling them permanently to a single piece.

If the center valve is open, the blue and orange galleries communicate with one another, and the reservoir, thus no unintended inflation even if the three bulbs are pumping. Close that deflation valve and no drainage through the orange gallery occurs because the valve is closed. No drainage/deflation flows through the blue gallery because the one-way valves block that direction of flow.



Lost Sheep

1. Build a prototype.
2. Call a patent attorney.

You'll be a rich man if it works!

Good luck on that, brother!

charlesr wrote:1. Build a prototype.
2. Call a patent attorney.

You'll be a rich man if it works!

Thanks for the thought. I thought before I posted the drawing that someone could steal the design. But I took a chance. If the design gets into production in time for me to get one, that would be nice. If I could get them to name it after me, that would be even more gratifying. If I got a small royalty for each one sold, that would make my retirement a LOT more comfortable.

I have arthritic/traumatic degeneration of some of the joints in my hands, so the Veteran's Administration has decided I have "limited manual dexterity". This may cause them to steer me towards the malleable/semi-rigid prosthesis, but I think I would rather have the inflatable. So, the pumpless feature is attractive. Also attractive is the fact that the erection would occur in a more natural sequence of events (foreplay getting the pumping action going to initiate the erection and the erection reaching its maximum with coitus). My partner can enjoy watching it grow under her ministrations as well.

With no pump in the scrotum, complications due to bicycle seat interference, etc. is eliminated. If we could get away with the valve inside the rear tip, no valve in the scrotum, either. And NO EXCESS TUBING AND MINIMAL CONNECTORS (likely meaning fewer failures of the prosthesis).

If there was some way to put the reservoir inside the rear extender, there would be no external tubing at all.

Yeah, I gotta call Coloplast and AMS. See if I can sell them on the idea.

Lost Sheep

We desperately need more advanced technology for IPPs. Have met with both Coloplast & AMS people in the past year and although they agree the present hydraulic pump tech is from the dark ages they both claim nothing new is in the pipeline. In my recent meeting with AMS I questioned why the pump requires such a lengthy break in period. Like they were anticipating my question they replied, "here check this out we just removed it from its sealed bag." Of course it worked like butter not the stone you'd expect. They were prepared for a sales job and also had a Coloplast pump handy which is surprisingly larger than the AMS.

The bottom line is both seem complacent with their present level of sales and lack motivation to expand the market which is infantisimal compared to, e.g., breast implants. And, YES, they are quick to acknowledge that good manual dexterity is essential (tough luck if you don't have it). Strange situation with both claiming they have 75% of the market. More competition might light a fire under them.

And there is a small light at the end of the tunnel. Kevin McVary MD, and his team, from the Southern Illinois School of Medicine, Springfield, IL, is working on a very interesting pumpless magnetic induction device they claimed in the 4Q15 was 2 yrs from commercialization.

Thank you for all your effort on your novel design. My take is that Boston Scientific (AMS) might be easier to work with than Coloplast. Maybe because it's really the latter that has 75% of the market.

activesurveillance

The one area I would like to see updated, is to tip to help with floppy glans.
Anyone know if they working on this?

redbullmaster wrote:The one area I would like to see updated, is to tip to help with floppy glans.
Anyone know if they working on this?

It seems to me from what I have read, the "floppy head syndrome" is the result of two phenomena. 1) improper sizing of the implant (too short to support the penis' head) and 2) the erectile dysfunction is present not only in the shaft of your penis (which is solved with the implant) but also the erectile functioning of the glans (which I am told is a different function of arousal) is also impaired, perhaps independently.

I was told that arousal can result in engorgement of the head of the penis can happed independently of engorgement of the shaft and some men may still have glans engorgement when the shaft engorgement is absent (without an implant providing it).

I don't know if I have related the information correctly, or to what percentage of men it appies, so take my post as merely a direction to research, not medical fact.

Lost Sheep

Lost Sheep wrote:

redbullmaster wrote:The one area I would like to see updated, is to tip to help with floppy glans.
Anyone know if they working on this?

It seems to me from what I have read, the "floppy head syndrome" is the result of two phenomena. 1) improper sizing of the implant (too short to support the penis' head) and 2) the erectile dysfunction is present not only in the shaft of your penis (which is solved with the implant) but also the erectile functioning of the glans (which I am told is a different function of arousal) is also impaired, perhaps independently.

I was told that arousal can result in engorgement of the head of the penis can happed independently of engorgement of the shaft and some men may still have glans engorgement when the shaft engorgement is absent (without an implant providing it).

I don't know if I have related the information correctly, or to what percentage of men it appies, so take my post as merely a direction to research, not medical fact.

Lost Sheep

Lost Sheep is right on. If the sizing is correct you should not have floppy head. Do not have "floppy head" as tubes are almost to the tip when inflated. Most of the time this syndrome is caused by the doctor underestimating the length of the cylinders.

I have talked about my glan erections on FT in more detail (do a search), which are enhanced if I am taking a small amount of daily cialis. If I take a 1.25 mg daily I will occasionally wake up with morning wood, not suitable of use.

I had a congenital curve, had two operations to try and fix this.

But now I have a hard shaft but soft glans, when I stand up it points to the floor
and I lose erections without simulation.

Not sure if its because I lost some weight (4st) is why I have trouble with it not pointing up or straight out.
Or its just not getting enough blood.

Sometimes when I sit or lying down it will last for awhile until I stand up.

I've had penile duplex sonography which showed no leak.

From what I can gather I have scaring not on the corpora cavernosa.
But on the outer layer with all the veins carrying the blood, think its called the Superficial fascia.

When I had the second operation I was told there was severe fibrosis, probably from the first operation.

Tried all the different Ed tablets and muse directly to the head and still get soft glans.

The only too treatments left for me to try are sclerotherapy or Extracorporeal Shock Wave Therapy.
Both are out of my price range, but as I'm in the uk I can get a implant on the NHS.

I'm scheduled for this surgery in august but not sure if I should go ahead with this or not, as my erection is about 85% ok
But I have no confidence to try and sleep with woman with how my penis performs at the moment.

Also the idea of using a pump and penis ring in front of someone is not something I think I can do.

My hope is the implant with give my head some support so I can penetrate during sex and not be worried if I go soft if I change position.

I would think they could implant a cone shaped device into the head and then the penis implant could slide into it?

redbullmaster wrote:I would think they could implant a cone shaped device into the head and then the penis implant could slide into it?

Are you thinking about essentially a 4-piece prosthetic Reservoir, Pump and inflatable shafts as the 3-piece ones are an a permanently "tumescent" head (supported by the cone you speak of)?

An intriguing idea. I can see one potential issue, if the head is permanently "inflated", you could wind up with a head larger than the shaft when not in use.. Odd-looking at best. A similar thing is not unlike the prosthetic chins some people have.

On the other hand, if the inflatable shaft had an inflatable bulb at the tip, the penis head might possibly be better filled out. That is, if the tissues in the glans are capable of that pressure. Tissue "erosion" is the word they use.

I wonder if a support for the glans could possibly give problems with urination?

I am just speculating my butt off here.

Lost Sheep