Infusion Height Warning and Blocking Device, and Infusion Height Warning and Blocking Method Thereof

Patent metadata

Field	Value
Publication number	US-2022233769-A1
Application number	US-202117203779-A
Country	US
Kind code	A1
Filing date	Mar 17, 2021
Priority date	Jan 28, 2021
Publication date	Jul 28, 2022
Grant date	—

Abstract

An infusion height warning and blocking device for an infusion stand is provided. The infusion height warning and blocking device includes a communication module for receiving at least one sensing signal from at least one gravity sensor; and a processing unit for calculating an infusion height difference between a start position and a usage position according to the at least one sensing signal, and generating at least one height indication signal according to the infusion height difference and at least one height difference threshold.

First claim

What is claimed is:

1 . An infusion height warning and blocking device, for an infusion stand, comprising:
a communication module, for receiving at least one sensing signal from at least one gravity sensor; and a processing unit, for calculating an infusion height difference between a start position and a usage position according to the at least one sensing signal, and generating at least one height indication signal according to the infusion height difference and at least one height difference threshold.

2 . The infusion height warning and blocking device of claim 1 , wherein the processing unit generates a first height indication signal of the at least one height indication signal for warning in response to the infusion height difference being less than a first height difference threshold of the at least one height difference threshold.

3 . The infusion height warning and blocking device of claim 2 further comprising an infusion blocker, wherein the processing unit generates a second height indication signal of the at least one height indication signal to instruct the infusion blocker to block an infusion tube in response to the infusion height difference being less than a second height difference threshold of the at least one height difference threshold or greater than a third height difference threshold of the at least one height difference threshold.

4 . The infusion height warning and blocking device of claim 1 further comprising a flow sensing device, for detecting a current flow rate of an infusion tube, to generate a flow rate sensing signal, wherein the processing unit generates at least one flow rate indication signal according to the flow rate sensing signal and at least one flow rate threshold.

5 . The infusion height warning and blocking device of claim 4 , wherein the processing unit generates a first flow rate indication signal of at least one flow rate indication signal for warning in response to the current flow rate being greater than or less than a first flow rate threshold of the at least one flow rate threshold by a specific ratio.

6 . The infusion height warning and blocking device of claim 5 further comprising an infusion blocker, wherein the processing unit generates a second flow rate indication signal of the at least one flow rate indication signal to instruct the infusion blocker to block the infusion tube in response to the current flow rate being less than a second flow rate threshold of the at least one flow rate threshold.

7 . The infusion height warning and blocking device of claim 1 , wherein the start position is adjustable, a first gravity sensor and a second gravity sensor of the at least one gravity sensor are disposed at the start position and the usage position, and the processing unit calculates the height difference between the start position and the usage position according to a first sensing signal and a second sensing signal generated by the first gravity sensor and the second gravity sensor.

8 . The infusion height warning and blocking device of claim 1 , wherein the start position is fixed, a second gravity sensor of the at least one gravity sensor is disposed at the start position first and then disposed at the usage position, and the processing unit calculates the infusion height difference between the start position and the usage position according to a second sensing signal generated by the second gravity sensor.

9 . The infusion height warning and blocking device of claim 1 , wherein the processing unit calculates the infusion height difference between the start position and the usage position according to at least one vertical acceleration indicated by the at least one sensing signal.

10 . The infusion height warning and blocking device of claim 1 , wherein the at least one gravity sensor is charged at the start position.

11 . An infusion height warning and blocking method, for an infusion stand, comprising:
receiving at least one sensing signal from at least one gravity sensor; calculating an infusion height difference between a start position and a usage position according to the at least one sensing signal; and generating at least one height indication signal according to the infusion height difference and at least one height difference threshold.

12 . The infusion height warning and blocking method of claim 11 further comprising:
in response to the infusion height difference being less than a first height difference threshold of the at least one height difference threshold, generating a first height indication signal of the at least one height indication signal for warning.

13 . The infusion height warning and blocking method of claim 12 further comprising:
in response to that the infusion height difference is less than a second height difference threshold of the at least one height difference threshold or greater than a third height difference threshold of the at least one height difference threshold, generating a second height indication signal of the at least one height indication signal to instruct to block an infusion tube.

14 . The infusion height warning and blocking method of claim 11 further comprising:
detecting a current flow rate of an infusion tube, to generate a flow rate sensing signal; and
generating at least one flow rate indication signal according to the flow rate sensing signal and at least one flow rate threshold.

15 . The infusion height warning and blocking method of claim 14 further comprising:
in response to the current flow rate being greater than or less than a first flow rate threshold of the at least one flow rate threshold by a specific ratio, generating a first flow rate indication signal of at least one flow rate indication signal for warning.

16 . The infusion height warning and blocking method of claim 15 further comprising:
in response to the current flow rate being less than a second flow rate threshold of the at least one flow rate threshold,
generating a second flow rate indication signal of the at least one flow rate indication signal to instruct to block the infusion tube.

17 . The infusion height warning and blocking method of claim 11 , wherein the start position is adjustable, a first gravity sensor and a second gravity sensor of the at least one gravity sensor are disposed at the start position and the usage position, the infusion height warning and blocking method further comprises:
calculating the height difference between the start position and the usage position according to a first sensing signal and a second sensing signal generated by the first gravity sensor and the second gravity sensor.

18 . The infusion height warning and blocking method of claim 11 , wherein the start position is fixed, a second gravity sensor of the at least one gravity sensor is disposed at the start position first and then disposed at the usage position, and the infusion height warning and blocking method further comprises:
calculating the infusion height difference between the start position and the usage position according to a second sensing signal generated by the second gravity sensor.

19 . The infusion height warning and blocking method of claim 11 further comprising:
calculating the infusion height difference between the start position and the usage position according to at least one vertical acceleration indicated by the at least one sensing signal.

20 . The infusion height warning and blocking method of claim 11 , wherein the at least one gravity sensor is charged at

Assignees

• Wistron Corp

Inventors

• Hou Chia-Chang
• Kao Yi-Sheng

Classifications

• A61M5/16877

  Adjusting flow; Devices for setting a flow rate · CPC title

• A61M5/16813

  by controlling the degree of opening of the flow line · CPC title

• A61M5/1417

  Holders or handles for hanging up infusion containers · CPC title

• A61M5/1415 Primary

  Stands, brackets or the like for supporting infusion accessories · CPC title

• A61M5/16845

  by weight · CPC title