[Evaluation of the safety of a new portable pump for continuous epidural infusion of local anesthetics].
The safety of a new portable pump (Baxter Infusor), was evaluated for continuous epidural infusion of local anesthetics. The experimental flows at different temperatures were 1.87 ml.hr-1 at 28 degrees C and 2.14-2.15 ml.hr-1 at 33 degrees C. The average temperature of local anesthetics in this pump attached to patients was 29 degrees C. Concentration of mepivacaine reached the maximal value (1.129 +/- 0.439 micrograms.ml-1) at 12 hours after the application of the infusor. The concentration of mepivacaine was maintained at a constant level from 6th hour to 24th hour. The result indicates that Infusor is a safe device for continuous infusion of local anesthetics because of constant flow and low level of local anesthetics.
Matsumoto
S
S
Department of Anesthesiology, Hiraka General Hospital, Yokote.
Mitsuhata
H
H
Shigeomi
S
S
Matsumoto
J
J
Yabe
M
M
Terada
M
M
D000779:Anesthetics, Local / Q000008:administration & dosage*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007260:Infusion Pumps; D007268:Injections, Epidural; D008297:Male; D008875:Middle Aged; D012449:Safety; D013997:Time Factors
D000779:Anesthetics, Local