Source: http://www.google.es/patents/US9700660
Timestamp: 2018-01-18 02:48:15
Document Index: 474821197

Matched Legal Cases: ['Application No. 60', 'Application No. 08726213', 'Application No. 08726213', 'Application No. 08730871', 'Application No. 08730848', 'Application No. 11150584', 'Application No. 2008221370', 'Application No. 2008221370', 'Application No. 2013204505', 'Application No. 2013204505', 'Application No. 200880013766', 'Application No. 200880013766', 'Application No. 200880013768', 'Application No. 200880013768', 'Application No. 2009', 'Application No. 2009', 'Application No. 11150584', 'Application No. 08730871', 'Application No. 08730871', 'Application No. 08726213', 'Application No. 08726213']

Patente US9700660 - Pumping cassette - Google Patentes
A pumping cassette including a housing having at least two inlet fluid lines and at least two outlet fluid lines. At least one balancing pod within the housing and in fluid connection with the fluid paths. The balancing pod balances the flow of a first fluid and the flow of a second fluid such that the...http://www.google.es/patents/US9700660?utm_source=gb-gplus-sharePatente US9700660 - Pumping cassette
Número de publicación US9700660 B2
Número de solicitud US 14/589,829
También publicado como CA2681914A1, CA2681914C, CA2681916A1, CA2682073A1, CA2937204A1, CN101678159A, CN101678159B, CN101801432A, CN101801432B, CN103623472A, CN103623472B, CN104174077A, CN104174077B, EP2131886A1, EP2131886B1, EP2131887A2, EP2131887B1, EP2131890A1, EP2131893A1, EP2131893B1, EP2735324A1, EP2735324B1, EP3189863A1, EP3195889A1, US7967022, US8273049, US8317492, US8366655, US8459292, US8888470, US8926294, US8985133, US9272082, US9550018, US9649418, US20080202591, US20080208103, US20080208111, US20080253911, US20080253912, US20090004033, US20110299358, US20120207627, US20130074959, US20130177457, US20140153356, US20150125319, US20150196698, US20160175505, US20170130705, WO2008106440A1, WO2008106538A2, WO2008106538A3, WO2008106538A8
Número de publicación 14589829, 589829, US 9700660 B2, US 9700660B2, US-B2-9700660, US9700660 B2, US9700660B2
Citas de patentes (482), Otras citas (63), Clasificaciones (53), Eventos legales (2)
US 9700660 B2
1. A pump cassette comprising a fluid pump, a fluid balancing chamber, a fluid valve and a plurality of fluid flow paths;
the fluid pump comprising a pumping chamber wall separated from a pump actuation chamber wall by a first flexible diaphragm;
the fluid balancing chamber comprising a first chamber wall separated from a second chamber wall by a second flexible diaphragm;
the fluid valve comprising a valve fluid chamber wall separated from a valve actuation chamber wall by a third flexible diaphragm;
the pump cassette comprising a middle plate separating a top plate from a bottom plate;
the top plate comprising the pumping chamber wall, the first chamber wall, the valve fluid chamber wall and the plurality of fluid flow paths;
the bottom plate comprising the pump actuation chamber wall, the second chamber wall and the valve actuation chamber wall;
the middle plate defining a first open region between the pumping chamber wall and pump actuation chamber wall, a second open region between the first chamber wall and second chamber wall, and a third open region between the valve fluid chamber wall and the valve actuation chamber wall, wherein the first, second and third diaphragms are positioned respectively in said first, second and third open regions;
the middle plate enclosing the plurality of fluid flow paths of the top plate;
wherein the pump actuation chamber wall and the valve actuation chamber wall each includes a pneumatic actuation port, and the second chamber wall includes a fluidic port, said fluidic port communicating through the middle plate with one or more of said plurality of fluid flow paths.
2. A pump cassette comprising two fluid pumps, two fluid balancing chambers, a plurality of fluid valves and a plurality of fluid flow paths;
each fluid pump comprising a pumping chamber wall separated from a pump actuation chamber wall by a fluid pump flexible diaphragm;
each fluid balancing chamber comprising a first balancing chamber wall separated from a second balancing chamber wall by a balancing chamber flexible diaphragm;
each of said plurality of fluid valves comprising a valve fluid chamber wall separated from a valve actuation chamber wall by a valve flexible diaphragm;
the top plate comprising the pumping chamber wall of each fluid pump, the first balancing chamber wall of each fluid balancing chamber, the valve fluid chamber wall of each of said plurality of fluid valves, and the plurality of fluid flow paths;
the bottom plate comprising the pump actuation chamber wall of each fluid pump, the second balancing chamber wall of each fluid balancing chamber and the valve actuation chamber wall of each of said plurality of fluid valves;
the middle plate defining a pump region between the pumping chamber wall and pump actuation chamber wall of each fluid pump, a balancing chamber region between the first balancing chamber wall and second balancing chamber wall of each fluid balancing chamber, and a valve region between the valve fluid chamber wall and the valve actuation chamber wall of each of said plurality of fluid valves, wherein the fluid pump diaphragm, the balancing chamber diaphragm and the valve diaphragm are positioned respectively in said pump, balancing chamber and valve regions;
wherein each of the pump actuation chamber walls and each of the valve actuation chamber walls include a pneumatic actuation port, and each of the second balancing chamber walls includes a fluidic port, said fluidic port communicating through the middle plate with one or more of said plurality of fluid flow paths.
3. The pump cassette of claim 2, wherein the plurality of fluid flow paths comprises a first fluid flow path fluidically separate from a second fluid flow path, the first and second fluid flow paths each having separate fluid inlets and fluid outlets on the pump cassette, wherein the fluidic ports of each of the second balancing chamber walls are fluidically connected to the second fluid flow path, and wherein a volume defined by the balancing chamber diaphragm and the first balancing chamber wall of each balancing chamber is fluidically connected to the first fluid flow path.
4. The pump cassette of claim 3, wherein a volume defined by the fluid pump diaphragm and the pumping chamber wall of each fluid pump is fluidically connected to the first fluid flow path.
5. The pump cassette of claim 4, wherein the plurality of fluid valves comprise a pump inlet and pump outlet valve, and a balancing chamber control valve for each of said fluid pumps and fluid balancing chambers in the first fluid flow path.
6. The pump cassette of claim 5, wherein the plurality of fluid valves comprise two balancing chamber control valves for each of said fluid balancing chambers in the second fluid flow path.
7. The pump cassette of claim 3, further comprising a metering pump configured to bypass said fluid pumps and said fluid balancing chambers in the first fluid flow path.
8. The pump cassette of claim 7, wherein the metering pump comprises a metering pumping chamber wall separated from a metering pump actuation chamber wall by a metering pump flexible diaphragm.
9. The pump cassette of claim 8, wherein the top plate comprises the metering pumping chamber wall, the bottom plate comprises the metering pump actuation chamber wall, and the middle plate defines a metering pump region occupied by the metering pump diaphragm.
10. A pump cassette comprising a fluid pump, a fluid balancing chamber, a fluid valve and a plurality of fluid flow paths;
the fluid pump comprising a pumping chamber wall separated from a pump actuation chamber wall by a first region comprising a flexible diaphragm;
the fluid balancing chamber comprising a first chamber wall separated from a second chamber wall by a second region comprising a flexible diaphragm;
the fluid valve comprising a valve fluid chamber wall separated from a valve actuation chamber wall by a third region comprising a flexible diaphragm;
the pumping chamber wall, the first chamber wall, the valve fluid chamber wall and the plurality of fluid flow paths being formed in the top plate;
the pump actuation chamber wall, the second chamber wall and the valve actuation chamber wall being formed in the bottom plate;
the middle plate comprising the first region comprising a first flexible diaphragm, the second region comprising a second flexible diaphragm, and the third region comprising a third flexible diaphragm;
the middle plate enclosing the plurality of fluid flow paths formed in the top plate;
wherein pneumatic actuation ports are formed in the pump actuation chamber wall and valve actuation chamber wall of the bottom plate, and a fluidic port is formed in the second chamber wall of the bottom plate, said fluidic port communicating through the middle plate with one or more of said plurality of fluid flow paths.
11. The pump cassette of claim 10, wherein
the first region comprising a flexible diaphragm comprises a first flexible diaphragm,
the second region comprising a flexible diaphragm comprises a second flexible diaphragm, and
the third region comprising a flexible diaphragm comprises a third flexible diaphragm, and wherein
the first region comprising the first flexible diaphragm, the second region comprising the second flexible diaphragm, and the third region comprising the third flexible diaphragm, are defined by, respectively, a first open region between the pumping chamber wall and pump actuation chamber wall, a second open region between the first chamber wall and second chamber wall, and a third open region between the valve fluid chamber wall and the valve actuation chamber wall, wherein the first, second and third diaphragms are positioned respectively in said first, second and third open regions.
This application is a continuation of U.S. patent application Ser. No. 13/684,995, filed on Nov. 26, 2012 and issued on Jan. 6, 2015 as U.S. Pat. No. 8,926,294, which is a continuation of U.S. patent application Ser. No. 11/871,712, filed on Oct. 12, 2007 and issued on Nov. 27, 2012 as U.S. Pat. No. 8,317,492, which claims priority from the following U.S. Provisional patent applications:
U.S. Provisional Patent Application No. 60/921,314 entitled Sensor Apparatus filed on Apr. 2, 2007. Each of the three above-indicated priority applications are hereby incorporated by reference in their entireties.
In the exemplary embodiment of the cassette, sensor elements are incorporated into the cassette so as to discern various properties of the fluid being pumped. In one embodiment, the three sensor elements are included. In the exemplary embodiment, the sensor elements are located in the sensor cell 1114. The cell 1114 accommodates three sensor elements in the sensor element housings 1116, 1118, 1120. In the exemplary embodiment, two of the sensor housings 1116, 1118 accommodate a conductivity sensor element and the third sensor element housing 1120 accommodates a temperature sensor element. The conductivity sensor elements and temperature sensor elements can be any conductivity or temperature sensor elements in the art. In one embodiment, the conductivity sensor elements are graphite posts. In other embodiments, the conductivity sensor elements are posts made from stainless steel, titanium, platinum or any other metal coated to be corrosion resistant and still be electrically conductive. The conductivity sensor elements will include an electrical lead that transmits the probe information to a controller or other device. In one embodiment, the temperature sensor is a thermister potted in a stainless steel probe. However, in alternate embodiments, a combination temperature and conductivity sensor elements is used similar to the one described in co-pending U.S. patent application entitled Sensor Apparatus Systems, Devices and Methods filed Oct. 12, 2007 and published as Publication No. US 2008/0240929. In this embodiment, the sensor cell 1114 is a single opening to the fluid line or a single connection to the fluid line.
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Clasificación internacional A61M1/10, F04B43/06, F04B49/22, F04B7/02, F17D3/00, F04B53/06, F04B9/109, A61M1/16, F04B53/10, F04B43/073, F04B13/02, F04B45/02, F04B43/02, F04B53/16, F04B43/00
Clasificación cooperativa A61M1/1664, A61M1/1666, A61M1/1087, A61M2205/3317, Y10T137/2521, F04B13/02, A61M2205/3368, F04B45/02, A61M1/287, A61M1/106, F04B43/0733, A61M1/1639, F04B43/02, A61M1/1037, A61M1/1605, F04B43/06, Y10T137/0379, F04B9/109, F04B43/00, F04B53/10, F04B53/06, A61M2205/3324, A61M1/16, A61M1/1656, F04B53/16, Y10T137/85978, A61M1/1096, A61M1/1062, F04B7/0216, F04B43/073, A61M2205/128, Y10T137/86139, A61M1/1006, F04B49/22, Y10T137/0324, F17D3/00, A61M2205/12, F04B7/02
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DEMERS, JASON A.;WILT, MICHAEL J.;GRANT, KEVIN L.;AND OTHERS;SIGNING DATES FROM 20130121 TO 20130228;REEL/FRAME:036757/0365