A textbook of obstetrics . Fig. 522.—Tarniers axis-traction forceps. To show the details, the hand is repre-sented in an improper position lor traction; below is one of the traction Fig. 523.—Poulets forceps, axis-traction Figure 520 illustrates the coincidenceof the line of traction with the direction in which the head mustmove. Many modifications of the axis-traction forceps havebeen made. The most useful on tin- score of economy andsimplicity is Poulets, who uses strong tapes passed through 1 Tarnier destroyed ninety nine models before he accepted the one-hundredth as entir
A textbook of obstetrics . Fig. 522.—Tarniers axis-traction forceps. To show the details, the hand is repre-sented in an improper position lor traction; below is one of the traction Fig. 523.—Poulets forceps, axis-traction Figure 520 illustrates the coincidenceof the line of traction with the direction in which the head mustmove. Many modifications of the axis-traction forceps havebeen made. The most useful on tin- score of economy andsimplicity is Poulets, who uses strong tapes passed through 1 Tarnier destroyed ninety nine models before he accepted the one-hundredth as entirely satisfactory. FORCEPS. 731 eyelets in the forceps blades, and fastened to a handle bent atright angles. Uses and Functions of the Forceps.— The main functionof the forceps is that of a tractor, which is by far the most im-portant. Another function sometimes to be remembered is thatof a rotator, as, for example, when a straight forceps is applied tothe head in face presentation, with the idea of twisting the chinforward. In a difficult forceps operation the instrument some-times has the function of a lever; the operator, swaying his armsa little from side to side, pulls down
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
