BiPolar vitallium component with P.C.A. femoral head; the BiPolar component (a) consists of a concave metal cup with an open top; the outside eges are smooth and rounded; the inside of the cup has a concave polyethylene liner; the liner fits tightly against the BiPolar component; the inside of the …
BiPolar vitallium component with P.C.A. femoral head; the BiPolar component (a) consists of a concave metal cup with an open top; the outside eges are smooth and rounded; the inside of the cup has a concave polyethylene liner; the liner fits tightly against the BiPolar component; the inside of the liner has thick sides and a concave opening with an open top and smooth edges; a P.C.A. femoral head (b) fits tightly into the liner; the femoral head consists of a single spherical piece of metal with a round, hollow centre and a flattened base; the base has an open centre.
Number Of Parts
2
Part Names
a - BiPolar component - Size: Depth 3.9 cm x Diameter 5.1 cm
b - P.C.A. femoral head - Size: Depth 2.7 cm x Diameter 2.8 cm
Provenance
Research material used at the Human Mobility Research Centre.
Dates
1980
circa 1980
Material
metal: silver
polyethylene: off-white
Inscriptions
(a) None; (b) the base of the femoral head has, "VITALLIUM 6284 - 0 - 232 32 MM + 5 MM JNEDU" etched into the metal.
Permanent Location
Storage Room 0010
0010-E2-5
Unit Of Measure
centimeters
Condition Remarks
The metal shows minor wear only; no corrosion is visible; the polyethylene shows minor wear only.
Copy Type
Original
Reference Types
Book
Person
Reference Comments
Dr. Charles Sorbie; "Annual Product Catalogue," by Howmedica International, 1992, pp. A3 and A35
Research Facts
The BiPolar component is still used to treat broken hips; the P.C.A. (porus coated anatomic) system is modular and has detachable femoral head components.
Exhibit History
"Joint Ventures," Museum of Health Care, Nov. 19, 2001-Jan. 2013