Patent
Vacuum wound drainage system and lipids baffle therefor
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TLDR
In this paper, a baffle is interposed between a wound drain connection and vacuum connection in a drain reservoir and protects a hydrophobic filter which is at the end of a vacuum passage communicating with the interior of the drain reservoir.Abstract:
Apparatus for selectively blocking passage of lipids in a liquid flow path. A baffle interposed in the liquid flow path is of nonpolar material and is arranged to permit liquid flow therethrough with contact of said liquid with the nonpolar material of the baffle for removing lipids from the flow. In one embodiment, the baffle is interposed between a wound drain connection and vacuum connection in a drain reservoir and protects a hydrophobic filter which is at the end of a vacuum passage communicating with the interior of the drain reservoir. The baffle enables use of a nonpolar material for the hydrophobic filter and avoids coating and thereby clogging of the hydrophobic filter by lipids in the liquid drained from a wound.read more
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References
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Patent
Valued device for controlling vacuum in surgery
TL;DR: In this paper, the authors present a method for applying aspiration, irrigation, medication and ultrasonic power and dwell time to biotissue for surgery and treatment wherein the pressure for both aspirating and irrigating is precisely and accurately maintained by the use of a differential valve and a control reservoir.
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TL;DR: In this article, a wound drainage device is provided which includes a manually operable suction pump having inlet and outlet ports, and a pliable fluid storage bag having a pair of plastic sheets in face-to-face contact and an inlet.
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Shut off valve for medical suction apparatus
TL;DR: In this paper, an improved shut off valve for a canister and lid assembly used as part of a medical suction apparatus is described. The valve includes a cylindrical plunger made of a soft rubber-like material and an upwardly facing concave disc integrally formed on the top of the plunger.
Journal ArticleDOI
Alteration of Blood on Storage: Measurement of Adhesiveness of Aging Platelets and Leukocytes and Their Removal by Filtration
TL;DR: It was unexpectedly found that very high pressures became necessary to force blood-bank blood through a microfilter with multiple openings 20 microns square after storage in acid-citrate-dextrose (A.C.D.) solution or in heparin for only one day.
Patent
Aspirator device for body fluids
Carlos A. Maitz,George M. Hauser +1 more
TL;DR: In this article, an aspirator, a suction device for removing body fluids, is described, which includes two elongated tubes: one having a tapered end for insertion into body cavities via the nose or mouth for communication with body fluids; the other elongated tube having a mouthpiece, for mouth actuation, or a squeeze-bulb, for hand actuation.