The body is flattened and broad on its dorsal surface, and does not present the ridge which is found on the other metacarpal bones; its volar surface is concave from above downward.
The base presents a concavo-convex surface, for articulation with the greater multangular; it has no facets on its sides, but on its radial side is a tubercle for the insertion of the Abductor pollicis longus.
The head is less convex than those of the other metacarpal bones, and is broader from side to side than from before backward.
US Patent Issued to The Cleveland Clinic Foundation on May 1 for "Arthroplastic Implant with Shield for Basilar Joint and Related Methods" (California, Illinois, Maryland, Ohio, Tennessee Inventors)
May 05, 2012; ALEXANDRIA, Va., May 5 -- United States Patent no. 8,167,952, issued on May 1, was assigned to The Cleveland Clinic Foundation...
Thumb reconstruction by grafting skeletonized amputated phalanges and soft tissue cover - A new technique: A case series.(Case Report)(Case study)
Jul 02, 2008; Authors: Mohammad Murshid Salah (corresponding author) ; Khalid N Khalid IntroductionThe function of the thumb is critical...