BiPolar component, which consists of a concave cobalt chromium alloy cup with a wide, round open top; the outer edges are smooth and rounded; the inside of the cup has a concave polyethylene liner that fits tightly against the metal piece; the inside of the polyethylene liner has smooth sides and a…
BiPolar component, which consists of a concave cobalt chromium alloy cup with a wide, round open top; the outer edges are smooth and rounded; the inside of the cup has a concave polyethylene liner that fits tightly against the metal piece; the inside of the polyethylene liner has smooth sides and a round, open top; the upper edges are fairly thin and flat.
Number Of Parts
1
Provenance
Research material used at the Human Mobility Research Centre.
Dates
1980
circa 1980
Material
metal: silver
polyethylene: off-white
Inscriptions
The outside edge of the cup has "FRANCOBAL S A0 [with a slash through it] 60 NM" etched into the metal near the top.
Permanent Location
Storage Room 0010
0010-E2-5
Depth
4.1 cm
Diameter
5.6 cm
Unit Of Measure
centimeters
Dimension Notes
Depth 4.1 cm x Diameter 5.6 cm
Condition Remarks
The metal shows some wear, but no corrosion is visible; the polyethylene shows minor wear only; no staining is visible.
Copy Type
Original
Reference Types
Book
Person
Reference Comments
Dr. Charles Sorbie; "1992 Annual Product Catalogue," by Howmedica Inc., Orthopedics Division, 1992, pp. A-35
Research Facts
Thisis an early BiPolar hip replacement; it was used against a steel femoral head--most likely with a Moore type hip prosthesis; also known as an interpositional cup.