Surgery – Truss – Pad
Patent
1978-04-10
1979-12-25
Kamm, William E.
Surgery
Truss
Pad
269328, 297 16, A61N 504
Patent
active
041800621
ABSTRACT:
A portable childbirth chair including a base having a seat portion and two leg portions extending outwardly therefrom, two leg supports, each one being hingedly attached to a different one of the leg portions, two footrests each one being adjustably attached to a different one of the leg supports, adjustment straps for adjusting the inclination of the leg supports relative the base, a backrest hingedly attached to the seat portion, a backrest support frame extending from the seat portion, and a pair of backrest adjustment rods pivotally attached to the backrest at one end and having other ends adapted to engage apertures formed along the backrest support frame so as to adjust the inclination of the backrest relative the base. The chair may be compactly collapsed for easy shipment and storage by telescoping the backrest support frame into the base, and folding the backrest and the two leg supports over the base. The chair also includes electronic monitoring apparatus.
REFERENCES:
patent: 1947410 (1934-02-01), Emerson
patent: 2663029 (1953-12-01), Whitley et al.
patent: 2696868 (1954-12-01), Miller
patent: 3100129 (1963-08-01), Adolphson
patent: 3179465 (1965-04-01), Roberts
patent: 3318596 (1967-05-01), Herzog
patent: 3780725 (1973-12-01), Goldberg
patent: 3802698 (1974-04-01), Burian et al.
patent: 3807388 (1974-04-01), Orr et al.
Coleman et al., "American Journal of Medical Electronics", Jul.-Sep. 1964, pp. 192-198.
Alberti James
Schlosser Helmut
Hamrick Claude A. S.
Kamm William E.
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