How Does the Doctor Determine the Size of Your Implant?

The final frontier. Deciding when, if and how.
Sofa King
Posts: 56
Joined: Thu Jul 22, 2021 6:05 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Sofa King » Sat Aug 28, 2021 8:04 pm

Maybe find a video, they are easy to find and not very long. It took me a couple times to watch straight through, but worth knowing what it's all about in my opinion.
51 Have had ED for at least 15 years, then PD. Pills stopped working, not going to do the other things. Mayo Clinic Minnesota 24 cm Titan

Txagq8
Posts: 885
Joined: Tue Oct 01, 2019 4:41 pm
Location: Texas Hill Country

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Txagq8 » Sun Aug 29, 2021 1:20 am

Interestingly enough, one of the guys from this board who recently went bionic called and we discussed this very issue. He had been reading the surgical notes from his procedure and wanted some clarity on distal and proximal measurements.

I’m not a doctor, I’m certainly too old, too ugly, and too contrary to play one on television....but I did graduate Texas A&M and supposedly that means we know everything. So I’ll tell you what I told him, and if I’m wrong I will stand corrected.

It’s easy to measure a straight line from point A to point B. Unfortunately, your penis/cock/dick/dork/pork sword/wee wee is not a straight line. What you see isn’t what you got. It’s shaped like a scythe or a boomerange. The distal measurement is away from the rest of the body, ie towards the head. The proximal measurement is back towards your body. Together, they add up to your dick size, more or less.

It’s not as simple as using a ruler. There has to be a reference point. From my readings most surgeons tie s suture somewhere near the pubic bone. Then they measure in both cylinders. They use a combination measuring device/dilation rod and yeah, a lot of guys end up with bruising from this. They do both corporal bodies. From the suture to the end of the corporal bodies within the head and then from the future to the end of the corpora closest to body. Basically a front part and a rear part. What I’ve read suggests most men have between 67 and 75% of their penile length distal and 25-33% proximal. The two measurements are added together. Some papers state a deduction of .5 to 1 cm needs to be subtracted from the sum to adjust for where the suture isvtied to avoid overdosing someone and giving them erosions in the glans.

So you have distal + proximal - 1 cm = length of implant + RTEs. Another poster has already defined an RTE.

So why do different surgeons use different combinations of implants? I’m guessing to put the pump and tubing and reservoir at what the surgeon thinks is the best location. Take me as an example. I have 23 cm of implant - an 18 cm LGX and 5 cm of RTEs. Why didn’t they give me a 21 cm LGX with only 2 cm RTEs? I don’t know for certain. All I can do is take my surgeon’s word that (1) I’ve had multiple inguinal hernias (2) I needed 23 cm to fill my corporal bodies. (Doing it as 18+5 put the tubing associated with pump at a good location.

Doing it the way it was done has given me an outcome I’m fairly proud of (although pride is one of the 7 deadly sins, at least I’m not actively involved in gluttony or vain glory)

One must not forget that there is a little bit of dick left in front of the end of the cylinder where the end of the corporal body used to be in the head of the cock. In my case it’s a hair over a cm, call it maybe a half inch. So I have 23 cm of implant and a 1 cm leading edge for 24 cm of dick. That’s 9.45 inches. Am I walking around with a 9+ inch dick? Of course not. In my case 6.5” is visible, leaving 2.95 behind the scenes. That’s a 68/32split which is considered well within the normal range of 66-75%. The doctor did tell me I had a fairly deep crus.

If you’re showing an 8” cock, then you are one of very few. Not as many of those exist as people would have you believe. I’m a layman but to do that you’re probably faced with a 26 cmmTitan plus RTEs.

I’m plenty happy with my 6.5 inches. Before the surgery it was 6.75/6.8 on Trimix when it worked. This one always works and works well.

To determine what size a specific implant ought to give you, a rule of thumb is take the implant length including RTEs. Divide by 2.54 to convert to inches. Multiply by .67 and by .75. That will give you a range of what you can expect with a normal anatomy.

One specific thing that has given my a lot of post implant satisfaction has been the angle of election. It took over a year but it’s well north of horizontal. Probably a 45 degree angle or pointing at 2 o’clock. Don’t know if that’s the implant/RTAe ratio or what. But having a boner that points that far north at age 65 is really cool.
Age 68. Physically fit educated red neck in Texas. Very married. 23 cm (18+5) of LGX installed by Dr. Bryan Kansas 12/31/2019. I fought the ED and my wife & I won. I’m either full of shit or sound advice. You decide which.

cbinspok
Posts: 671
Joined: Wed Feb 03, 2021 7:45 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby cbinspok » Sun Aug 29, 2021 10:17 am

Txagq8
Your thoughts are always enjoyable to read, I think your good looking enough to play a teacher on Tv.
Cheers cb
67years,fighting ed for over twenty years. A sever break, vit E, pataba, Viagra, massage Ved cilas, and I'm tired- throwing in the towel, Op for implant Mar 18, 2021 AMS LGX 18 x12 + 1 3cm RTE, gained girth and length, very glad I took the hard step.

Sean762
Posts: 156
Joined: Thu Jul 22, 2021 11:07 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Sean762 » Sun Aug 29, 2021 10:47 am

aslanglobal wrote:I think the man is correct to have questions and ask in this forum. Unless you're into reading scientific/technical problems, it could be mysterious to understand. I know what my length was prior to surgery as I could hop out of bed and measure it before it immediately went down. It was slightly longer than the 14/8 division of cm that I saw in my fully 22 cm implant. That was definitely lower than my shaft length, although I did not take into account approximately 2 cm extra with my glans that the doc noted. My doctor basically told me to STFU (in a nice way) and that if I followed protocol and gentle VED, I would have it all back in 3 months. I've spoken to probably 2 dozen of the man's patients post-op and I'm going to trust it will all work out as suggested. :)

Delve as deep as you want before surgery. Not just you will benefit.


Thank you for the support and the information. I wish you the best in your recovery. Good luck!

Sean762
Posts: 156
Joined: Thu Jul 22, 2021 11:07 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Sean762 » Sun Aug 29, 2021 10:48 am

Sofa King wrote:Maybe find a video, they are easy to find and not very long. It took me a couple times to watch straight through, but worth knowing what it's all about in my opinion.


I'll take a look. Thanks for the suggestion.

Sean762
Posts: 156
Joined: Thu Jul 22, 2021 11:07 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Sean762 » Sun Aug 29, 2021 11:01 am

Txagq8 wrote:Interestingly enough, one of the guys from this board who recently went bionic called and we discussed this very issue. He had been reading the surgical notes from his procedure and wanted some clarity on distal and proximal measurements.

I’m not a doctor, I’m certainly too old, too ugly, and too contrary to play one on television....but I did graduate Texas A&M and supposedly that means we know everything. So I’ll tell you what I told him, and if I’m wrong I will stand corrected.

It’s easy to measure a straight line from point A to point B. Unfortunately, your penis/cock/dick/dork/pork sword/wee wee is not a straight line. What you see isn’t what you got. It’s shaped like a scythe or a boomerange. The distal measurement is away from the rest of the body, ie towards the head. The proximal measurement is back towards your body. Together, they add up to your dick size, more or less.

It’s not as simple as using a ruler. There has to be a reference point. From my readings most surgeons tie s suture somewhere near the pubic bone. Then they measure in both cylinders. They use a combination measuring device/dilation rod and yeah, a lot of guys end up with bruising from this. They do both corporal bodies. From the suture to the end of the corporal bodies within the head and then from the future to the end of the corpora closest to body. Basically a front part and a rear part. What I’ve read suggests most men have between 67 and 75% of their penile length distal and 25-33% proximal. The two measurements are added together. Some papers state a deduction of .5 to 1 cm needs to be subtracted from the sum to adjust for where the suture isvtied to avoid overdosing someone and giving them erosions in the glans.

So you have distal + proximal - 1 cm = length of implant + RTEs. Another poster has already defined an RTE.

So why do different surgeons use different combinations of implants? I’m guessing to put the pump and tubing and reservoir at what the surgeon thinks is the best location. Take me as an example. I have 23 cm of implant - an 18 cm LGX and 5 cm of RTEs. Why didn’t they give me a 21 cm LGX with only 2 cm RTEs? I don’t know for certain. All I can do is take my surgeon’s word that (1) I’ve had multiple inguinal hernias (2) I needed 23 cm to fill my corporal bodies. (Doing it as 18+5 put the tubing associated with pump at a good location.

Doing it the way it was done has given me an outcome I’m fairly proud of (although pride is one of the 7 deadly sins, at least I’m not actively involved in gluttony or vain glory)

One must not forget that there is a little bit of dick left in front of the end of the cylinder where the end of the corporal body used to be in the head of the cock. In my case it’s a hair over a cm, call it maybe a half inch. So I have 23 cm of implant and a 1 cm leading edge for 24 cm of dick. That’s 9.45 inches. Am I walking around with a 9+ inch dick? Of course not. In my case 6.5” is visible, leaving 2.95 behind the scenes. That’s a 68/32split which is considered well within the normal range of 66-75%. The doctor did tell me I had a fairly deep crus.

If you’re showing an 8” cock, then you are one of very few. Not as many of those exist as people would have you believe. I’m a layman but to do that you’re probably faced with a 26 cmmTitan plus RTEs.

I’m plenty happy with my 6.5 inches. Before the surgery it was 6.75/6.8 on Trimix when it worked. This one always works and works well.

To determine what size a specific implant ought to give you, a rule of thumb is take the implant length including RTEs. Divide by 2.54 to convert to inches. Multiply by .67 and by .75. That will give you a range of what you can expect with a normal anatomy.

One specific thing that has given my a lot of post implant satisfaction has been the angle of election. It took over a year but it’s well north of horizontal. Probably a 45 degree angle or pointing at 2 o’clock. Don’t know if that’s the implant/RTAe ratio or what. But having a boner that points that far north at age 65 is really cool.


This post really helped. Thank you Txagq8.

The reason this thread was started was b/c I was reading another thread and saw a 25cm implant being discussed, as you know, is 10" and I was reading an off comment about AMS possibly not making cylinders long enough and having to go Titan. This concerned me as I'm exactly 8" bone pressed with very little fat pad at ~10% body fat (I believe the other gentleman I was reading about was 8.5" fully erect) and was wondering how all this was sized and what kind of trouble I might have finding the right implant size as well as what kind of length I might lose.

I was under the mistaken impression that I'd lose that 1/3rd to 1/4 of my current length as well...which would put me at 5.4 to 6" and that was pretty disheartening. But, I also reasoned that a 6" hard penis is better than one that is 5.5-6" flaccid and can't get hard.

Thanks for clearing all that up. Much appreciated.

Gt1956
Posts: 3041
Joined: Fri Apr 05, 2019 2:47 pm

Re: How Does the Doctor Determine the Size of Your Implant?

Postby Gt1956 » Sun Aug 29, 2021 11:22 am

Sean762, you should remember that rte's can be added to an implant. While not always ideal for an individual. They can be used to "fine tune" the implant length.
I do not recall of a FT member that couldn't be fitted with an implant. But at the upper limits of male anatomy the implant choices get limited. Much like clothing. The implant companies make their products to fit most men. I'm sure that there are men at both ends of the length spectrum that are difficult to fit.
68yo, HBP at 40, high triglycerides at 45. Phimosis at 57. Type 2 at 60. Dr. William Brant May 1, 2023 CX 21cm w/no rte's penoscrotal 6" girth @ 6 months


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