Apparatus and method for collecting body fluids
First Claim
Patent Images
1. A closed drainage apparatus for suctioning liquids and gases and for storing liquids suctioned from body and tissue cavities comprising:
- a housing;
suctioning means, attached to said housing, in communication with the body and tissue cavities, for suctioning and receiving liquids and gases from the cavities, said suctioning means comprising a resilient container which is compressible to create a suctioning force as it returns to its normal expanded condition,said suctioning means further including a suction port for receiving the liquids and gases from the body and tissue cavities, said suction port being fitted with reflux valve means for preventing reflux of liquids and gases from said suctioning means to the body and tissue cavities; and
reservoir means, attached to said housing, for receiving and storing excess liquids from said suctioning means, said reservoir means being in sealed communication with said suctioning means through a conduit, said conduit being supported in said housing to permit fluid communication between said suctioning means and said reservoir means at all times.
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Abstract
A truly closed drainage apparatus for suctioning, storing and administering fluid from body and tissue cavities including draining means for suctioning and receiving fluid, a reservoir for siphoning and storing excess fluids, a small pore hydrophobic filter for venting air without retrograde introduction of microorganisms, and means for applying pressure to the reservoir to administer the fluid contained therein.
89 Citations
9 Claims
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1. A closed drainage apparatus for suctioning liquids and gases and for storing liquids suctioned from body and tissue cavities comprising:
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a housing; suctioning means, attached to said housing, in communication with the body and tissue cavities, for suctioning and receiving liquids and gases from the cavities, said suctioning means comprising a resilient container which is compressible to create a suctioning force as it returns to its normal expanded condition, said suctioning means further including a suction port for receiving the liquids and gases from the body and tissue cavities, said suction port being fitted with reflux valve means for preventing reflux of liquids and gases from said suctioning means to the body and tissue cavities; and reservoir means, attached to said housing, for receiving and storing excess liquids from said suctioning means, said reservoir means being in sealed communication with said suctioning means through a conduit, said conduit being supported in said housing to permit fluid communication between said suctioning means and said reservoir means at all times. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A closed drainage apparatus for suctioning liquids and gases and for storing liquids from body and tissue cavities comprising;
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a housing; suctioning means attached to said housing, in communication with the body and tissue cavities, for suctioning and receiving liquids and gases from the cavities, said suctioning means comprising a resilient container which is compressible to create a suctioning force as it returns to its normal expanded condition; reservoir means, attached to said housing, in sealed continuous one-way communication with said suctioning means, for siphoning and storing excess liquids without permitting the excess liquids to return to said suctioning means; and means for affixing said housing in a location relative to the body and tissue cavities such that said suctioning means and said reservoir means are positioned below the body and tissue cavities. - View Dependent Claims (9)
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Specification