Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . - be screwed, according to the require- ATTACHMENTS TO A COMPLETE BATTERY. 637 ments of each case. The tips may be made of plain metal, or of carbonor metal covered with sponge, chamois-skin, or canton-flannel. Thecanton-flannel covering is the chea{)est and cleanest, and may be renewedat pleasnre. Each patient can thns have a clean covering for the elec-trode at every application. Flat electrodes of large size are iisefnl,esp
Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . - be screwed, according to the require- ATTACHMENTS TO A COMPLETE BATTERY. 637 ments of each case. The tips may be made of plain metal, or of carbonor metal covered with sponge, chamois-skin, or canton-flannel. Thecanton-flannel covering is the chea{)est and cleanest, and may be renewedat pleasnre. Each patient can thns have a clean covering for the elec-trode at every application. Flat electrodes of large size are iisefnl,especialljr when a nentral point for the cnrrent is desired. Small tips(motor-point electrodes) are generallj- employed to direct the current tosome special muscle or group of Fig. 159.—Various Forms of Electrodes (Natural Size), adapteuto a Screw Handle,NOT SHOWN IN THE CUT. (After Erb.) a, the fine electrode, or smallest size; d, theso-called small electrode; c, the medium electrode. All electrodes are covered withsponge (as in a and 6) or flannel or chamois-skin (as in c). The wure brush is emploj^ed chiefly in cases where anaesthesia is the only electrode that is used dry. Most manufacturers advertise a case of electrodes designed especi-ally for the application of electricity to diflferent organs. Selections maybe made from these as desired. I have personally devised several modi*fications of electrodes. 638 LECTURES OX NERVOUS DISEASES. A practical point ma}- he mentioned here, viz., that the negativeelectrode (cathode) is tlie most painful to the patient, and produces thegreatest cliemical action. It is a well-recognized fact that a bullet doesthe most damage at its point of escape from any dense substance whicliit has penetrated. In the
Size: 1301px × 1920px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookidlecturesonne, bookyear1888
