1
Leo A Bullara: Implantable pressure transducer. Huntington Institute of Applied Medical Research, Christie Parker & Hale, November 28, 1978: US04127110 (260 worldwide citation)

A wireless, surgically implantable pressure transducer for measuring pressure of fluid or tissue in a body chamber such as a brain ventricle of a patient suffering hydrocephalus or a head injury. The transducer includes an inductor and a capacitor connected in parallel to form a resonant L-C circuit ...


2
Roderick R Dunphy, Leo A Bullara, Robert H Pudenz: Implantable pressure transducer. Huntington Institute of Applied Medical Research, Christie Parker & Hale, May 25, 1976: US03958558 (81 worldwide citation)

A wireless, surgically implantable pressure transducer for measuring pressure of fluid or tissue in a body chamber such as brain ventricle of a patient suffering hydrocephalus or a severe head injury. The transducer includes a coaxial variable capacitor electrically connected across an inductor to f ...


3
Shelden Charles Hunter: Hospital bed. Huntington Institute of Applied Medical Research, Christie Parker & Hale, June 3, 1975: US3886610 (22 worldwide citation)

A hospital bed for patients who require assistance in repositioning themselves on the bed. A mattress for the bed is formed by a number of separate bolsters or cushions each covered with a removable slip-cover sheet. Each bolster extends across the width of the bed, and the several bolsters are alig ...