I’m sure Scott has the best


I'm sure Scott has the best solution for you, but from photo, appears to be very expensive.  Still, there's a few things to consider:

1) Main focus should be the patient, not the video.  Of course you'll get their permission, but might be nice to offer a discount of 10% to 20% for the extra time and for their participation.  Advise the negative is maybe a little extra time, but positive is this will be shown to your peers and they will be critical of everything, particularly technique.  Your work will have to be perfect, which, of course, it always is, but this time extra careful.

2) I certainly agree head mount is not ideal.  The lights you use now are probably sufficient, but be aware of color balance.  Many over the shoulder shots, but sometimes move your head out of the way and let camera in closer.  These will be some of the shots to use in seminar.  Can use your instrument as pointer, but also use laser pointer during the seminar.

3) I wouldn't worry about sound recording.  Talk mainly to patient, and make some voice notes, but during seminar I suspect sound will be off and you will narrate live.  Everything will be recorded by the camera, but quality is not an issue as sound track won't be used.

4) There are hundreds of cameras that will do the job.  I'm thinking small and unobtrusive is best and lightweight for easier mounting.  I'd recommend a Sony camcorder as they have LANC or remote control.  Many other cameras offer WiFi for monitor and remote control.  Be careful of using autofocus.  I'd use for initial focus, then switch to manual to lock on as moving your head in and out of the shot will confuse the autofocus.Return to auto when zooming in or moving camera around when your head is out of the way.

5) Obviously this will require an assistant to concentrate on the video while you concentrate on the procedure.  Let them run the camera, focus, etc.  Use a remote monitor so you can look at it occasionally and direct the shot, but not as your primary focus of attention; that should always be the patient and the procedure.  LANC or remote control can stop/start/zoom/focus etc.  Sometimes take a still for a critical shot you'll want to hold during the seminar.  A remote monitor either composite or HDMI connected to camera, or WiFi is best.  Can be $40 composite, $120 HDMI, or use a WiFi tablet you already have (ebay prices).  

6) The mount is the most critical equipment.  Must allow flexibility, but must have hard stops to prevent falling.  Banging your head you shake it off.  Bang your patient is defintely unprofessional.  Scott's mount looks perfect, but $$.  A simple tripod, no matter how good, won't work.  This must mount high and allow camera to move in all axes, sideways and up/down.  Maybe a scaffold type device to hold camera above, looking down at about 30 deg angle?  You know best, but might have to do some engineering or bite the bullet and call Scott.  


Camera about $400 to $1,200; lights you have; monitor $40 to $150 (don't get a $600 to $2K color balanced monitor, overkill) (your laptop or computer monitor probably too cumbersome); mount $??.  I remote control 3 cameras during event shoots using Bescor MP-101 pan/tilt mounts ($130 + $15 extension cable, B&H) and LANC for zoom/stop/start, but I'm vertical tripod mount.  You are odd angle or horizontal mount looking down at an angle.  Not sure Bescor would work for you; would for very lightweight camera.  Actually, a good mount is what you use for your main light.  Easily adjustable up/down/left/right/any angle.  Not sure how much those cost; talk to your supplier.

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