Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Pumping Cassette

a cassette and pumping technology, applied in the direction of machines/engines, liquid fuel engines, positive displacement liquid engines, etc., can solve the problems of contamination of the sensor apparatus and/or the fluid, and the accuracy of the device used,

Inactive Publication Date: 2008-10-02
DEKA PROD LLP
View PDF8 Cites 148 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a sensor system for measuring properties of a fluid in a cassette. The system includes a probe with a thermal sensor and a conductivity sensor attached to a probe housing. The probe has a sensing end and a connector end. A urethane resin may be used between the probe and the housing. The system also includes a well in the cassette for thermal and conductivity sensing. The well may be thermally coupled to the probe and the fluid in the cassette. The system can detect air in the fluid line and determine the difference in conductivity between the sensing probes. The cassette may contain a pump and a flexible diaphragm. The system can be integrated into a cassette or a pumping apparatus.

Problems solved by technology

However, this method may lead to contamination of the sensor apparatus and / or the fluid.
Additional problems with harsh media or problems with the accuracy of the device used exist.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pumping Cassette
  • Pumping Cassette
  • Pumping Cassette

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0082]Definitions. As used in this description and the accompanying claims, the following terms shall have the meanings indicated, unless the context otherwise requires:

[0083]“Spheroid” means any three-dimensional shape that generally corresponds to a oval rotated about one of its principal axes, major or minor, and includes three-dimensional egg shapes, oblate and prolate spheroids, spheres, and substantially equivalent shapes.

[0084]“Hemispheroid” means any three-dimensional shape that generally corresponds to approximately half a spheroid.

[0085]“Spherical” means generally spherical.

[0086]“Hemispherical” means generally hemispherical.

[0087]“Fluid” shall mean a substance, a liquid for example, that is capable of being pumped through a flow line. Blood is a specific example of a fluid.

[0088]A “patient” includes a person or animal from whom, or to whom, fluid is pumped, whether as part of a medical treatment or otherwise.

[0089]“Subject media” is any material, including any fluid, soli...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A sensor apparatus and sensor apparatus system for use in conjunction with a cassette, including a disposable or replaceable cassette. In some embodiments, the cassette includes a thermal well for permitting the sensing of various properties of a subject media. The thermal well includes a hollow housing of a thermally conductive material. In other embodiments, the cassette includes sensor leads for sensing of various properties of a subject media. The thermal well has an inner surface shaped so as to form a mating relationship with a sensing probe. The mating thermally couples the inner surface with a sensing probe. In some embodiments, the thermal well is located on a disposable portion and the sensing probe on a reusable portion.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001]This application claims priority from the following United States Provisional Patent Applications, all of which are hereby incorporated herein by reference in their entireties:[0002]U.S. Provisional Patent Application No. 60 / 904,024 entitled Hemodialysis System and Methods filed on Feb. 27, 2007; and[0003]U.S. Provisional Patent Application No. 60 / 921,314 entitled Sensor Apparatus filed on Apr. 2, 2007.[0004]This application is also related to the following United States patent applications, all of which are being filed on even date herewith and are hereby incorporated herein by reference in their entireties:[0005]U.S. patent application entitled Pumping Cassette (Attorney Docket No. DEKA-020XX); U.S. patent application entitled Pumping Cassette (Attorney Docket No. DEKA-021XX); U.S. patent application entitled Pumping Cassette (Attorney Docket No. DEKA-022XX); U.S. patent application entitled Pumping Cassette (Attorney Docket No. DEKA-0...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(United States)
IPC IPC(8): F04B53/00
CPCA61M1/28A61M2205/12F04B43/0054F04B43/06F04B2205/11A61M1/3623A61M1/36222A61M1/362265A61M1/36224A61M1/362261A61M1/36225
Inventor KAMEN, DEANPERRY, N. CHRISTOPHERDEMERS, JASON A.TRACEY, BRIAN
Owner DEKA PROD LLP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com