Probe for obtaining sample of cervical mucus

Details Probe for obtaining sample of cervical mucus Probe for obtaining sample of cervical mucus

1976-12-21

1978-12-26

Truluck, Dalton L.

Surgery

Truss

Perineal

128234, 128278, A61B 1000, A61M 100

Patent

active

041311124

ABSTRACT:
A probe, for obtaining a sample of an oftentimes minute in vivo quantity of cervical mucus, comprises a syringe-like structure characterized by an apertured specimen cavity of variable size that is defined by an outer barrel and an inner plunger of particular configurations capable of producing relative peristaltic motion. The forward end of the barrel, which is rigid, has a forward opening which communicates with a relatively deep internal concave surface. The forward end of the plunger, which is elastomeric, has a relatively shallow external convex surface that deforms as the plunger reciprocates. As the plunger moves forwardly, the external increments of its convex surface are deformed in such a way as to completely fill the specimen cavity and to ensure that even minute amounts of cervical mucus inducted into the specimen cavity through the forward opening can be ejected completely from the specimen cavity through the forward opening when desired.

REFERENCES:
patent: 1381774 (1921-06-01), Weiner
patent: 3147753 (1964-09-01), Nogier
patent: 3554185 (1971-01-01), Kohl
patent: 3738539 (1973-06-01), Beich
patent: 3890956 (1975-06-01), Moorehead
patent: 4022207 (1977-05-01), Citrin

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