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公开(公告)号：US10568810B2
公开(公告)日：2020-02-25
申请号：US15830907
申请日：2017-12-04
Inventor： ZhenWu Lin , Kenneth D. Adrian , Kenneth Renfrew , Jacob Andrews
Abstract: Disclosed is a disposable needle filter apparatus with a universal truncated syringe-receiving neck to enable the filtration of fluids/solutions aspirated into a needle-bearing syringe. The apparatus includes a needle seal stopper and needle stop to create a substantially airtight chamber to facilitate fluid aspiration through an enclosed filter and into the syringe. In an alternative embodiment, the filter apparatus includes an extended syringe-receiving neck configured to receive a specifically sized syringe/needle combination. In a further embodiment, the receiving neck is constructed as a modular unit to allow for interchangeable necks to accommodate different needle and syringe sizes with different cross-sectional diameters. In a yet further embodiment, the neck is constructed with stepped tapered segments of serially larger cross-sectional diameters to accommodate differently sized syringes. In a still further embodiment, the apparatus includes an accessory needle secured to the apparatus inlet.
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公开(公告)号：US20220258075A1
公开(公告)日：2022-08-18
申请号：US17651372
申请日：2022-02-16
Inventor： Boon Pheng TANG , Vietlinh Nguyen , Kenneth Renfrew , Cristian Rios Castro , Gary Golovan , Bruce Golovan
IPC: B01D29/085 , B01D35/02 , A61C17/08
Abstract: Systems and methods are disclosed that include providing a filter assembly having a filter housing and a filter medium disposed within and/or carried by the filter housing. The filter medium is configured to be exposed to an external environment and collect, filter, or otherwise remove aerosols (which may be contaminated with bacteria, viruses, or a combination thereof) from the external environment when coupled to an evacuation component, such as a dental high vacuum evacuation (HVE) line.
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公开(公告)号：US20180092808A1
公开(公告)日：2018-04-05
申请号：US15830907
申请日：2017-12-04
Inventor： ZhenWu Lin , Kenneth D. Adrian , Kenneth Renfrew , Jacob Andrews
CPC classification number: A61J1/2086 , A61J1/2048 , A61J1/2096 , A61M5/165 , A61M5/3202 , A61M5/38 , A61M2039/1077 , A61M2205/7527 , A61M2205/7536 , A61M2205/7545
Abstract: Disclosed is a disposable needle filter apparatus with a universal truncated syringe-receiving neck to enable the filtration of fluids/solutions aspirated into a needle-bearing syringe. The apparatus includes a needle seal stopper and needle stop to create a substantially airtight chamber to facilitate fluid aspiration through an enclosed filter and into the syringe. In an alternative embodiment, the filter apparatus includes an extended syringe-receiving neck configured to receive a specifically sized syringe/needle combination. In a further embodiment, the receiving neck is constructed as a modular unit to allow for interchangeable necks to accommodate different needle and syringe sizes with different cross-sectional diameters. In a yet further embodiment, the neck is constructed with stepped tapered segments of serially larger cross-sectional diameters to accommodate differently sized syringes. In a still further embodiment, the apparatus includes an accessory needle secured to the apparatus inlet.
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