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Bubble detection sensor

A technology for detecting sensors and sensors, applied in the field of sensors, can solve the problems of reducing the efficiency and cost of bubble detection sensors

Pending Publication Date: 2022-07-19
MEASUREMENT SPEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the lateral offset, less of the signal emitted from the transmitter is received by the receiver, reducing the efficiency of the bubble detection sensor
Improving the efficiency of this arrangement requires expensive additional signal amplification or better signal processing

Method used

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Examples

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Embodiment Construction

[0015] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements. This disclosure may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will convey the concepts of the present disclosure to those skilled in the art. Furthermore, in the following detailed description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details.

[0016] like figure 1 and figure 2 As shown, the bubble detection system 10 according to the embodiment includes a bubble detection sensor 100 , a controller 200 connected to the bubble detection s...

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PUM

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Abstract

A bubble detection sensor (100) includes a transmitter (130) having a transmitting surface (132) and a receiver (150) located on an opposite side of a fluid conduit (300) from the transmitter (130). The receiver (150) has a receiving surface (152) adapted to receive a signal of the fluid (310) transmitted by the transmitter (130) through the fluid conduit (300). A sensor axis (S) extending orthogonally to the transmitting surface (132) and the receiving surface (152) is disposed at a rotational offset angle (A) with respect to a plane (P) extending orthogonally to a longitudinal conduit axis (L) of the fluid conduit (300). The rotational offset angle (A) is arranged to optimize the ratio of the sensitivity of the signal received by the receiver (150) to the efficiency of the signal received by the receiver (150).

Description

technical field [0001] The present invention relates to sensors, and more particularly, to bubble detection sensors for detecting bubbles in fluids. Background technique [0002] A bubble detection sensor for detecting air bubbles in a fluid has a transmitter and a receiver on opposite sides of a tube carrying the fluid. Signals are transmitted through the fluid from the transmitter to the receiver and are analyzed to determine whether air bubbles are present in the fluid. In many applications, detecting the presence of air bubbles in fluids is critical. For example, in the medical field, air bubbles in fluids delivered to patients for intravenous infusion or dialysis are detected to avoid potentially dangerous air embolisms. Current applications require increased sensitivity of the bubble detection sensor for more reliable detection of smaller bubbles. [0003] US Patent Application No. 2009 / 0293588 discloses a bubble detection sensor including a transmitter and a receiv...

Claims

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Application Information

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IPC IPC(8): A61M5/36
CPCA61M5/365A61M2205/3375G01N29/2437G01N2291/02433G01N2291/102G01N2291/048G01N29/032G01N27/00
Inventor M.佩德里克J.马特泽德A.鲁比亚诺
Owner MEASUREMENT SPEC
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