Record

Reference NumberMIMM/2009-1/87
TitleBarnes' Cranioclast
Date1875-1925
Creator NameJ. Cray & Son, Surgical Instrument Maker, 1849-1962
DescriptionThis is a cranioclast of the Barnes’ type. Designed by British gynaecologist Robert Barnes, it is a two-bladed instrument with opposed curved blades. The two blades interlock, and a screw joint “elbow” would have been used to secure the locking of the two. One blade is perforated, whereas the other features a ridged pattern to secure grip. Made of metal by “J. Cray & Son Sheffield,” as engraved on one blade, it is a size “11,” as engraved on both. The item appears heavily corroded and rusty.

This type of instrument was used in obstetrics to be inserted into the skull of the fetus, brought together to crush the skull, and facilitate the extraction of the fetus.
Extent3 parts
Dimensions420mm x 70mm x 23mm
Digital CollectionsView online in our digital collections
Credit LineRoyal College of Physicians of Ireland
Object NameCranioclast
TermMidwifery -- instrumentation
Female Urogenital Diseases and Pregnancy Complications
Persons
CodePersonNameDates
DS/UK/5585J. Cray & Son; 1849-1962; Surgical Instrument Maker1849-1962
DS/UK/4849Barnes; Robert (1817-1907); Obstetric Physician1817-1907
DS/UK/5768Murnane; John I. (1888-1969); Physician1888-1969
DS/UK/5769Murnane; Irene Alice (1903-2006); Locum Doctor1903-2006
DS/UK/2271Sexton; William Henry (1894-1961); physician1894-1961
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