Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1995-10-11
1997-12-02
McDermott, Corrine M.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604246, 6048901, 128DIG12, A61M 3700
Patent
active
056930186
ABSTRACT:
An apparatus for accurately infusing fluids into a patient at specific rates over an extended period of time. The apparatus is of a low profile, laminate or layered construction having a stored energy source in the form of a distendable membrane, which, in cooperation with the base of the apparatus, defines one or more fluid reservoirs, each having a fluid inlet and a fluid outlet. The apparatus further includes, a high novel, conformable ullage made of yieldable materials. The conformable ullage uniquely conforms to the shape of elastomeric membrane as the membrane returns to its less distended configuration. Additionally, the infusion cannula of the apparatus is connected to the base in a novel manner which permits expeditious subdermal delivery to the patient via a cannula which extends generally perpendicularly relative to the base. The cannula is connected to the base in a manner such that the pierceable portion of the cannula is free to move relative to the base of the device in response to movements by the patient which cause flexing of the muscle and tissue in the vicinity of the cannula.
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Barber Steve C.
Feng William W.
Kazemzadeh Farhad
Kluck William J.
Kriesel Marshall S.
Brunton James E.
McDermott Corrine M.
Science Incorporated
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