Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-01-10
1995-05-16
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604346, A61M 106, A61F 544
Patent
active
054156327
ABSTRACT:
An ergonomically effective breast pump includes a pump body including a breast engaging portion, a breast milk receiving container on the pump body, a one-way valve between the pump body and the container and a piston and cylinder assembly for applying vacuum to the interior of the pump body. The breast engaging portion is receivable in engagement with a breast of a user, and the piston and cylinder assembly includes a piston which is moveable in a cylinder in a direction outwardly and away from the user for applying vacuum to the breast of the user through the pump body. The breast pump further includes a thumb receiving element for moving the piston in the cylinder in a direction outwardly and away from the user with a thumb on a hand of the user, a handle element receivable in the same hand for assisting the user to draw the piston in an outward direction in the cylinder and a spring element for returning the piston in a direction toward the user.
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Benson Kurt R.
Playskool, Inc.
Rosenbaum C. Fred
Wilkens III Frank
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