There is a VHS Tape as well on the Codman 3000 morphine pump. I feel I am lucky in the sense that I didn't know that much information about a morphine pump before it was implanted but my Doctor installed a Codman (A Johnson & Johnson Co.) formerly ARROW. There are distict differences between a Codman and the Medtronics. I know of 2 people other than me that have pumps, both have a Medtronics and they told me that both of them had to have it surgically removed after about 7-8 years due to battery difficulties. The Codman that I have operates I believe like a freon or gas operated pump so no batteries. It is a constant flow pump meaning that it delivers constantly the same dose of medicine that is in the Resevoir of the Pump. The 2 resevoir sizes that the Codman models are 1. 30 ml pump 2. 50ml pump. The larger resevoir, the larger of a pump in size.I have seen posts from Dave (Shoreline) on this forum and he has indicated that their are advantages to the Medtronics as the doctor can program this particular model pump so it will deliver more medicine during periods when you are more likely to need the increase, and the doctor also has the ability to program it where at a specific times where the pump doesn't deliver as much medicine at other times. I am sure their are pro's and con's with each model such as failure or cathedar problems that could occur where at any time surgery would be required to repair/replace the pump and or cathedar. I am 48 yrs old and I like the Codman because I am hoping for pump longevity, it gives me approximately 50-60% pain relief with no side effects and I take oral medicine ONLY AS NEEDED. My doctor explained and emphasized to me that both oral and the intrecal pump medicine (Morphine) compete for the receptors on the spine that block pain going to the brain, so in a nutshell I try watch very closely what I take orally and only taking oral when the times really get rough like I may have slept or twisted or lifted the wrong way; this way my body hasn't developed a great tolerance to the oral medicine, and therefor I get good relief when I need breakthrough relief. I would just really like to emphasize that you explore and research both manufacturers of the pump you want, do the 7-10day trial and pray that it gives you good relief without as little side effects as possible such as nasuea, urinary retention etc. One thing always to remember, I have learned this from these forums, we all have to be able to live and tolerate with some pain, in my case with the pump, orals only when necessary works for me. I have only had 2 increases in the 3 meds that they put into my pump (Morphine/Clonadine/Baclofen). I have been getting a few headaches lately but the Extra Strength Tylenol has been helping a lot. I sincerely recommend you due your homework and make a knowledgeable decision as this is a huge desicion to undergo. One thing I have noticed with the pump, thier seems to be alot more doctors that fill the Medtronics pump in my area as the Medtronics has been around longer. I believe that I read somewhere that the Medtronics was originally developed for terminally ill patients that weren't going to live that long, so the battery issue wasn't that much of a concern. As technology improved and Codman came up with an alternative means of powering the pump I am really praying for it too work for a long time before any maintenannce or replacement is needed. To me it is a younger pain patients alternative to battery operated pumps. I guess the Codman is newer technology but different technology as well and I have to travel over 125 miles one way for a fill every 45 days where-as if I had a medtronics I could get it filled 50 miles from my home ( I live in a real rural area). Best of Luck, the surgery for implanting a pump wasn't that bad, I had surgery at 2pm and stayed in the hospital overnight, it was a rough night, but I walked out the next morning at 10:30 am, and I have some of my life back again. A pump is just another way of introducing/delevering medicine into your body, hopefully yours will be as successful as mine has been. I would do it again tomorrow, it really relieved the pain that much without the FOG. Good Luck and God Bless... Jeff