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pressure conduit device

A catheter and pressure technology, used in catheters, balloon catheters, pressure sensors, etc., to solve problems such as the decline in the ability of pressure sensors to accurately measure

Active Publication Date: 2022-04-12
LABORIE MEDICAL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, the dead space within the lumen degrades the pressure sensor's ability to make accurate measurements over small discrete intervals

Method used

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Embodiment Construction

[0020] For the purposes of illustrating various aspects of the methods and systems claimed herein, the following discussion will refer to describing exemplary embodiments for urodynamic pressure sensing. It should be noted, however, that the elements and principles discussed herein are applicable to other applications. For example, the exemplary embodiments described herein contemplate use with any type of catheter in which it is desired to measure pressure within a patient. Furthermore, discussions of the methods and systems herein may be interchangeable with respect to particular aspects. In other words, a specific discussion herein of one method or system (or components thereof) is equally applicable to other aspects related to the system or method, and vice versa.

[0021] figure 1 is a perspective view of a catheter according to a non-limiting exemplary embodiment. like figure 1 As shown, a pressure monitoring catheter 10 is disclosed that includes an elongated flexib...

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Abstract

A pressure sensing catheter (10) includes an elongated member (15) and a monitor lumen (30). The pressure sensing conduit may have a hollow pressure compliant member (40) in fluid communication with the monitor lumen thereby defining a fluid column. A connector arrangement is capable of fluid communication with the monitor lumen and may include a first complementary connector (72) and a second complementary connector (98). One of said first complementary connector and said second complementary connector may have pressurization means capable of displacing a volume of fluid located within the bore of the other complementary connector into said In the fluid column, the ratio of the volume of fluid displaced therein to the volume of the fluid column is in the range of about 1:2 to about 1:4. The pressure conduit may include a radiopaque band surrounding an exterior of the elongate member.

Description

[0001] related application [0002] This application claims the benefit of U.S. Provisional Patent Application No. 62 / 306,828, filed March 11, 2016, which is hereby incorporated by reference in its entirety. Background technique [0003] Pressure catheter devices typically include an elongated catheter having at least one inflation pressure monitoring lumen extending longitudinally through the catheter. An inflatable membrane (eg, balloon) can be formed on the outer surface of the catheter. The inflatable membrane can be in fluid communication with the inflation pressure monitoring lumen. Pressure changes against the inflatable membrane may result in changes in gas pressure within the inflation pressure monitoring lumen. A pressure transducer coupled to the proximal end of the inflation pressure monitoring lumen can sense and display or record pressure changes that can be communicated through the inflation pressure monitoring lumen of the catheter. [0004] Conventional pre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M25/10A61B5/03A61B5/00
CPCA61B5/205A61M25/10A61M25/1011A61M2025/0003A61M2025/1079A61B5/6853A61M25/10184A61M25/10187A61B5/036A61B2562/0247A61M2205/32A61M2025/0002A61M25/0026A61M2025/0001
Inventor 布赖斯·史密斯
Owner LABORIE MEDICAL TECH INC