Platforms for X-ray examination of knee joints

Details Platforms for X-ray examination of knee joints Platforms for X-ray examination of knee joints

1986-05-01

1987-10-13

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Photographic detector support

With object support or positioning

378180, 378181, G03B 4202

Patent

active

047003731

ABSTRACT:
Platforms are described for positioning a patient's knee for X-ray evaluation. The basic platform comprises upper and lower leg supports which are angled relative to each other at a fixed angle of 40 deg. The patient lies in a supine position with his leg flexed by the platform. Means are provided for positioning an X-ray film cassette generally parallel with a plane intersecting the bisecting the apex of the supports. An alternate platform provides means for tilting the platform, as well as a removable insert in the lower leg support, to facilitate X-ray examination of children and other person of short stature. The second platform also provides means for restraining the patient's lower leg to enable X-ray examination of the knee joint with the patient's quadrecepts muscles tensioned. A third platform is provided with a hinge connection between the upper and lower leg supports to enable X-ray evaluation of a knee at variable angles of flexion.

REFERENCES:
patent: 328460 (1885-10-01), Clark
patent: 1452915 (1923-04-01), Kennedy
patent: 2456277 (1948-12-01), Heitz-Boyer
patent: 2926256 (1960-02-01), Rankin
patent: 3631242 (1971-12-01), Williams
patent: 3979595 (1976-09-01), Merchant
patent: 4000736 (1977-01-01), Bruscemi
patent: 4069813 (1978-01-01), Gilula

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