Transfusion state monitoring device

A state monitoring, drip chamber technology, applied in the direction of flow monitor, flow control, non-electric variable control, etc., can solve the problem of false alarm, affect measurement accuracy, infusion bottle weight reading error, etc., to reduce false alarms. Effect

Inactive Publication Date: 2017-08-08
张坚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this monitoring method will cause an error in the weight reading of the infusion bottle due to the patient pulling the infusion bottle, thereby affecting the measurement accuracy
2) Monitor the liquid level of the infusion bottle, and monitor the liquid level of the drip chamber of the infusion tube through light reflection. The pipe is pulled and the liquid surface is shaken, which affects the reflection state of the monitoring light and leads to false alarms

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0023] figure 1 The overall structure of the infusion state monitoring device is shown. see figure 1 , The infusion state monitoring device includes: a drip chamber 11 . The upper end of the drip chamber 11 communicates with the liquid inlet pipe 12 , and the lower end communicates with the liquid outlet pipe 13 . Inside the dripping chamber 11 , a laser emitter 14 is arranged at the upper end, capable of emitting a laser beam into the dripping chamber 11 . In the lower part of the drip chamber, a photosensiti...

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Abstract

The embodiment of the invention discloses a transfusion state monitoring device which comprises a liquid dropping cavity, wherein a laser transmitter is arranged at one end of the liquid dropping cavity; a photographic plate is arranged at the end of the liquid dropping cavity; the change of the liquid level in the liquid dropping cavity is judged by detecting a photographic point of laser emitted by the laser transmitter, which is protected on the photographic plate after the laser is refracted by the liquid level. The transfusion state monitoring device provided the embodiment of the invention has the advantage that false alarms are effectively reduced during monitoring of a transfusion state.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of medical equipment, and in particular, to an infusion state monitoring device. Background technique [0002] During the infusion process, due to human negligence, it often happens that the infusion is terminated in a hurry and the needle tube is pulled out when the infusion is nearly completed. The more serious situation is that the infusion is completed but the needle is not pulled out, causing air to enter the blood vessel and cause medical accidents. In order to ensure the safety of transfusion patients during the transfusion process, people began to use transfusion process monitoring devices to monitor the transfusion process. [0003] The original infusion process monitoring devices include the following types. 1) Monitor the weight of the infusion bottle, and send an alarm when the weight decreases to a certain value. However, this monitoring method will cause an error in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/168A61M5/14
CPCA61M5/14A61M5/16831A61M5/16877A61M2205/18A61M2205/3306
Inventor 张坚
Owner 张坚
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