OBSintermediate
Match each specialized obstetric forceps with its corresponding clinical application: Obstetric Forceps: 1. Barton's forceps 2. Kielland's forceps 3. Piper's forceps 4. Dewees forceps Clinical Applications: A. Transverse arrest in a platypelloid pelvis B. Rotation of the fetal head and correction of asynclitism C. Delivery of the aftercoming head in a breech presentation D. Application of axis traction
Answer
1-A, 2-B, 3-C, 4-D
Explanation
The instrument names are associated with distinct functions in the supplied material. Barton's is described for transverse arrest in a platypelloid pelvis; Kielland's permits mid-pelvic rotation and correction of asynclitism; Piper's is for the after-coming breech head; and De Wee's is an example of axis-traction forceps.\n\n**Key takeaway:** Instrument design and intended function differ; select and apply an instrument only within the operator's competence.\n\n**Glossary:** **Asynclitism**: Lateral tilt of the fetal head; **axis traction**: Traction directed along the axis of the birth canal; **platypelloid**: A pelvic shape with a relatively wide transverse and short anteroposterior inlet.
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