There are lots of variables in this. Lots of questions.
As an insatiable curiosity filled cat and somewhat obsessive nature I have done some injections and have documented my progress:
http://forums.eunuch.org/showthread.php ... injections So I want go over that here.
The effiacy of this cannot be determined from my experiment because I have done so much damage to the testicle already. But I know this in so far as it is my experience:
1. It barely hurt, I was told that this sort of injection to the vas would be unbearable.
2. The testicle swelled as did the cord.
3. The testicle swelling is going down, the cord remains hard and swollen tapering down from the injection site
4. The cord is rigid now.
I think that just as fluid flows from the epididymus up the cord so does liquid flow down in the tubes, the difference is that there is a route and the mixture of alcohol and calcium chloride enable it to be squeezed down and maximise the damage.
Certainly the Persemus foundation have introduced sterility by injecting the epididymus and destroying sperm storage.
My thinking is that if you tourniquet the cords and inject thus would prevent upward travel and under pressure the fluid could be pushed to effect maximum damage. The research shows that there is testicular atrophy which would, I think indicate damage.
The problem with injecting the testicle is it is a random firing of liquid within the testicle and has varying degrees of success based on the number of hit and miss injections. Whereas, If I am right you are destroying the tubular structure which definitely cause serialization and may destroy the T production or severely damage it.
What is needed are some virgin balls to first try a single careful shot and see what the hormone levels are.
Beyond this it is all guess work.
I have been very surprised that the pain was so little in my cord, but this is just me and others may experience a lot more pain.
There have been some very brave adventures in the alcohol/Calcium Chloride injection threads, this may present a refinement of the technique and at least require 1 shot to the vas and 1 to the testicle at the lower pole area.
I say this because after substantial damage to my right testicle I injected 2 or 2,5 cc of alcohol and calcium chloride near the epididimus and it penetrated the epididymus and cord, there was nowhere for the liquid to go other than up and I may have been lucky yo hit a tube. The long term effect of this weak calcium chloride injection has been a collapse of the epididymus and the lower part of the cord which just feels flat and deflated.
I think there is something in this. Unfortunately I cannot do anymore to advance this.
This is interesting too:
http://www.parsemusfoundation.org/hormo ... ilization/