How Long Does a Popped Implant Take to Deflate?

If the leak is sizable then the deflation is rather immediate.  If you have a smaller or slower leak then that depends on many factors to determine when the implant will eventually go flat.   This does cause any problems other a cosmetic problem from the obvious difference in breast size.

Dr. ES

The other answers here are all good, but fail to mention that, depending on how long you have had your saline implants, replacement costs might be covered by your implant manufacturer, whether or not you purchased an extended warranty. Check with your surgeon, this might be something that you can have dealt with much sooner than you anticipated. If you deflate your implant with a needle, the manufacturer may refuse to provide a no-charge replacement implant (they check the deflation site with a scanning electron microscope)!

Of course, I would recommend that you consider replacement with the newest generation of cohesive silicone gel implants that cannot leak or deflate. The cost is somewhat higher, but the replacement cost of saline would be deducted from the silicone implants costs--you would be responsible for the difference. Again, talk with your surgeon! Best wishes!

All it takes to deflate an implant is a needle stick which is not unlike drawing your blood. The saline can aspirated (sucked out) or it can leak into the body where it will be rapidly absorbed.  Unless you need a capsulectomy, it should absorb rather quick. 

I would advise that you have your intact implant intentionally deflated (assuming its saline as well)- it will take about 24 hours for the implant to deflate. You'll probably notice some difference in the appearance of your breasts since the implants do not deflate completely no matte how long they have been ruptured. A saline implant replacement procedure is straightforward, assuming you do not have any capsular contracture or implant malposition issues.

Having the intact implant deflated will remove the fluid immediately (because it is aspirated into a syringe). However, before you do that, it is worth finding out whether the ruptured implant is under warranty. Depending on the manufacturer and when the implant was placed, you may be under a warranty for a replacement implant. In some cases, if the rupture occurs within 10 years, the implant manufacturer will even pay for a large part of the anesthesia/operating room/surgeon's fee. I recommend contacting your plastic surgeon to find out what you are eligible for as this may help you in making your decision.