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Sterilizing sounds - best pressure cookers? - 2/4/2014 2:05:02 PM   
Miyani


Posts: 248
Joined: 12/4/2007
Status: offline 		So, my love got me a set of sounds for Valentine's Day, because best boy ever. I've had a chance to practice with them, with a local mentor, but never had my own, so I also don't have the sterilization equipment myself yet!

I won't be getting an autoclave anytime soon, though I'd love to own one, so I'm looking at pressure cookers for the time being. The sounds PACKAGING (I'm being very good and not opening) measures a little over 9 inches, so I imagine they're 8-inch sounds. They feel like Dittles (I'm not being THAT good).

So, for anyone who has and sterilizes their own set of sounds, and uses a pressure cooker for the purpose, which do you use? I don't want to order something online and find that they don't fit, and I certainly want to be able to play with the little buggers soon after opening, so I'd like to have my stuff ready to go.

Thanks in advance for any help. :)

P.S. I've worked in animal medicine for a while, so I'm familiar and comfortable with maintaining sterility to the required degree, and I've practiced the insertion, as I said, with a local mentor who walked me through it carefully. I really am just asking about the pressure cookers. ;)
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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 2:49:11 PM   
Subonico


Posts: 10
Joined: 2/1/2014
Status: offline 		It has been a long time since I sterilized using an autoclave, but, to be 100% effective, you need a lot of time, heat, pressure, and water vapor. Whether or not that can be accomplished in a pressure cooker, I'll leave for someone else to say.

But, I'll state my first two questions:
1. Do you have to be 100% sterile? Is pretty damn clean clean enough?
2. Flame kills all, so, if the sounds are metal, couldn't you just pass a bunsen burner or propane lighter over the surface area? It's how we all sterilize a needle before digging out a splinter. Flame is 100% effective, even when used for only a split second.

PS: What's a Dittle?

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 3:45:28 PM   
stef


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quote:

ORIGINAL: Subonico

2. Flame kills all, so, if the sounds are metal, couldn't you just pass a bunsen burner or propane lighter over the surface area? It's how we all sterilize a needle before digging out a splinter. Flame is 100% effective, even when used for only a split second.

Yeah, no. Flame doesn't kill all and it is nowhere near 100% effective.

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 4:07:14 PM   
ARIES83


Posts: 3648
Status: offline 		I won't answer you OP because I'm not an expert on this but I would like to piggyback a question on here if you don't mind.

I don't know about other countries but over here we have an, (I'm assuming) hospital grade disinfectant called "Detol".
On the bottle it says it "kills 99.9% of germs and viruses"

Would soaking them in that and then boiling the tools clean be enough?

*The reason I ask is that Detol is around $2 per litre... For 99.9% sterile... That's pretty good compared to the cost of a pressure cooker.*

< Message edited by ARIES83 -- 2/4/2014 4:09:27 PM >

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 4:57:10 PM   
mummyman321


Posts: 2102
Joined: 10/31/2005
From: Dusseldorf
Status: offline 		A disinfectant like Dettrol is not sufficient for sterilizing sounds. I know it claims it kills 99% of viruses and bacteria but if you email them, they will tell you it is not good enough for any medical instruments and will not prevent the spread of certain STDs. And viruses and bacteria are not your only concerns. There are protein chains, funguses and other things you need to worry about also.

If the sounds in question are being used by more than 1 person, the autoclave is the only real option of being safe.

To sterilize and instrument you need both time and temperature. The reason steam is used in an autoclave is that steam delivers joules of heat much more effectively than hot air or any other medium for that matter. Autoclaves evacuate the air first as air acts like an insulator.

A pressure cooker is okay only if the sounds are not being shared by different people and you have a pressure cooker that can reaches 15psi and you some time of basket to suspend the objects being sterilized above the water so the steam comes in contact with the sound and not the water. 

I wish I had more time to go into details here but I do not tonight. I would suggest Googling sterilization using an autoclave if you want to learn more. Basically the autoclave needs to bring the temperature to 250F or above for a minimum of 15 minutes. To get steam to 250F it needs to be pressurized to at least 15psi. A lot of pressure cookers do not get to 15psi. Pressure cookers also do not evacuate the air either. So a pressure cooker even if its gets to 15psi would need more time to sterilize as the air would act as an insulator.



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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 6:18:06 PM   
TieMeInKnottss


Posts: 1944
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Status: offline 		What in the heck are "sounds"???

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 6:23:26 PM   
RedMagic1


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quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???

https://en.wikipedia.org/wiki/Urethral_sounding

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 6:39:22 PM   
ARIES83


Posts: 3648
Status: offline
quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???


Curiosity killed the cat...

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 7:14:43 PM   
TieMeInKnottss


Posts: 1944
Joined: 9/6/2012
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quote:

ORIGINAL: ARIES83


quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???


Curiosity killed the cat...


And satisfaction brought her back!!!


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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 9:18:48 PM   
Subonico


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quote:

ORIGINAL: stef
Flame doesn't kill all and it is nowhere near 100% effective.


Well, if you know of any micro organism that can survive direct flame, then you'd win a Nobel prize for something.......... :)

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 10:03:30 PM   
MalcolmNathaniel


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quote:

ORIGINAL: ARIES83

quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???


Curiosity killed the cat...


Well I've just lost my hard on for the next month or three.

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 10:07:46 PM   
MalcolmNathaniel


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quote:

ORIGINAL: RedMagic1


quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???

https://en.wikipedia.org/wiki/Urethral_sounding


Well I've just lost any chance of becoming tumescent any time soon.

Someone pass the mind bleach.

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RE: Sterilizing sounds - best pressure cookers? - 2/4/2014 10:56:42 PM   
TieMeInKnottss


Posts: 1944
Joined: 9/6/2012
Status: offline
quote:

ORIGINAL: MalcolmNathaniel


quote:

ORIGINAL: RedMagic1


quote:

ORIGINAL: TieMeInKnottss

What in the heck are "sounds"???

https://en.wikipedia.org/wiki/Urethral_sounding


Well I've just lost any chance of becoming tumescent any time soon.

Someone pass the mind bleach.


Even if I wear the heels you like and help you research names of Asian porn stars while washing your dishes

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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 12:03:47 AM   
stef


Posts: 10215
Joined: 1/26/2004
Status: offline
quote:

ORIGINAL: Subonico

Well, if you know of any micro organism that can survive direct flame, then you'd win a Nobel prize for something.......... :)


Your advice to "just pass a bunsen burner or propane lighter over the surface area" is not sufficient to sterilize. If you truly are a microbiologist as you claimed in your email to me, you would certainly know this.

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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 12:21:27 AM   
LaPaienne


Posts: 2
Joined: 1/24/2014
Status: offline 		I'd suggest approaching a tattoo studio and asking if they'd be willing to sterilize them in their autoclave, perhaps for a small fee.

< Message edited by LaPaienne -- 2/5/2014 12:22:14 AM >

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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 1:49:12 AM   
epiphiny43


Posts: 688
Joined: 10/20/2006
Status: offline 		Amazon autoclaves start about $250.
Canning pressure cooker, has a pressure gauge and the relief valve is set above 15lbs at sea level, BIG. $79ish?
http://www.amazon.com/Presto-01781-23-Quart-Pressure-Canner/dp/B0000BYCFU/ref=sr_1_12?ie=UTF8&qid=1391592321&sr=8-12&keywords=autoclave
As with all internet purchases, read the reviews first!

Single user toys! Prions (Mad Cow Disease and such) take ~400ºF, unlike most familiar bacterial and viral disease organisms. And a couple of contagious diseases about are not killed by bleach! Normally a gold standard in biology lab glassware cleaning.

Note: My last urologist does Not use sounds for symptoms that treat otherwise. "Too risky." For example: He uses medicine (Flomax) and/or cranberry juice to treat BPH, which you'd Think a little recreational use of sounds would remedy? Any urinary tract MD has has a few 'bad outcomes' (Funerals) from bladder infections.
My friend who was a female bladder infection ward 'irrigation therapist' ended up quitting. Made friends with a few too many patients who didn't walk out. RACK?
I'd find a kink friendly Very experienced urology nurse to coach me with these toys.

(in reply to LaPaienne)
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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 5:26:30 AM   
Subonico


Posts: 10
Joined: 2/1/2014
Status: offline
quote:

ORIGINAL: stef
Your advice ...is not sufficient to sterilize.





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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 5:51:20 AM   
mummyman321


Posts: 2102
Joined: 10/31/2005
From: Dusseldorf
Status: offline 		Stef's comment is 100% correct. Flame does not sterilize equipment. What is does do is kill surface organisms but it does not sterilize. It will not kill some single cell organisms or protein chains. You need to learn there are more bugs than just bacterial and viruses. Prions are the real nastys.

At a microscopic level the surface of metal instruments and anything else has hills and valleys. Those hills and valleys can trap air pockets. And air is an excellent insulator from heat. That is way autoclaves evacuate the air prior to steaming. Saturate steam is very effective heat transfer mechanism. Heat is what kills the little bugs.

Now if you get the metal glowing cherry red for a period of time you might get close to sterilization but still not there. Mad cow disease has been know to survive cremation. The CDC recommends incineration above 1000C (1832F) to kill Prions like Mad Cow Disease. So you Bunsen burner does not come close when talking about Prions.

http://www.health.ny.gov/professionals/funeral_director/diseases/creutzfeldt-jakob/


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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 5:57:18 AM   
Subonico


Posts: 10
Joined: 2/1/2014
Status: offline 		@ the OP, there are many convenient methods of sterilizing equipment (which is why I asked what material the sound is made of), some of which are described here.

http://www.umsl.edu/~microbes/sterilizing.pdf
http://www.phys.ksu.edu/gene/g1.html
http://generalbacteriology.weebly.com/sterilization-and-disinfection.html

The biggest problem in the lab is spores. Killing "just" the bacteria, protozoa, fungi, and viral particles is actually rather easy.

quote:


Moist heat provided by an autoclave or pressure cooker is an efficient way to sterilize most materials. At a pressure of 15 psi above atmospheric pressure, water reaches a temperature of approximately 121O C before it boils. Most materials are effectively sterilized by 15 minutes exposure to this temperature. If an autoclave is not available, an ordinary household pressure cooker will effectively sterilize media supplies in small batches.


Selected quotes from those references may help you sterilize the sounds:
quote:

Dry materials such as glass and metal may be sterilized in an oven, but this requires higher temperature (160O C) and longer time (at least 2 hours) than an autoclave.


quote:


In many experimental procedures, the most effective way to sterilize objects is with ethanol. Either 95% or 70% will work. The latter is actually more effective... Use a flame to burn off the alcohol, a candle is generally less expensive and safer than a gas burner.

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RE: Sterilizing sounds - best pressure cookers? - 2/5/2014 8:45:12 AM   
RedMagic1


Posts: 6470
Joined: 5/10/2007
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quote:

ORIGINAL: LaPaienne

I'd suggest approaching a tattoo studio and asking if they'd be willing to sterilize them in their autoclave, perhaps for a small fee.

This is a great idea.

_____________________________

Not with envy, not with a twisted heart, shall you feel superior, or go about boasting. Rather in goodness by action make true your song and your word. Thus you shall be highly regarded, and able to live in peace with all others.
- 15th century Aztec

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