To all interested list members.
Since I am, already, at my computer to comment on a
post by James Holmes, I will take the occasion to relate an item which
may be of some interest.
The college-age son of one of our staff researchers came
up with an effective---if not cosmetically attractive---unit for use by
persons with limiited funds and/or technical expertise. He constructed
an effective Low Level Laser Therapy (LLLT) unit by combining five (5)
laser pointers in a very simple arrangement.
The pointers were purchased from the local Harbor
Freight outlet, for a cost of $6.50 ea., plus tax. The configuration is
as follows: (1) the physical arrangement provides for the "natural"
arrangement for five similar bodies in an idealized "space utilizing"
configuration. e.g. _ _
_
_ _
(2) the operating switches (momentary, normally-open)
require some form of constant-pressure to stay activated. This is
addressed by using several twists from a rubber band which contacts all
of the four outside switches, simultaneously.
(3) the center pointer's on/off switch must be taped down
prior to arrranging the four outer units. (4) arrange the four outer
units in such a manner as to have their ON/OFF switch on a line directly
toward the center of the assembly (this provides the maximum contact
with the restraining rubber band. (5) assemble the pointers in a
manner which causes the lower, sloping sections to be parallel to each
other. This furnishes the closest allowable focus of the beams. (6)
using tape, or preferably, a properly-sized rubber band, restrain them
in the desired configuration. (7) next, apply the rubber band you have
chosen to close the Power Switches of the four outside pointers. Some
of you more adept-types may chose to use the same rubber band to both
hold the assembly together----and to operate the power switches, of the
outside pointers. Since the four outside pointers will be in a
divergent configuration toward the top of the assembly, some may desire
to mechanically stabilize it. This may be done through using short
lengths of "popcicle sticks", thin styrofoam inserts, etc., plus a weak
rubber band around the top of the assembly.
Although this explanation may be overly cumbersome, the
unit itself, is exceptionally simple to assemble.....and to use. The
power is low enough that the bulbs may be placed in direct contact with
the outer skin (at least this has been our experience), We have
employed this unit for continuous periods up to 15 minutes in a single
location, without any, detectable, adverse reactions beyond slight skin
reddening.
We have found this low-power unit to be quite effective for
applications within its power range. The chief advantage of the LLLT
over the LED units is that of penetrating power of the coherent light
beam. We have found no advantage for LLLT in conditions involving
superficial (outer cutaneous) insults----- among the experimental
populations.
Sincerely, Brooks Bradley..
P.S. Please do remember NEVER POINT ANY LASER DIRECTLY INTO ANYONE'S
EYE/EYES To do so can cause PERMANENT/IRREPARABLE damage to the centra
fovea.....plus other retinal damage.
--
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