CN-122006012-A - Early warning device and method for falling off and penetration of indwelling needle

CN122006012ACN 122006012 ACN122006012 ACN 122006012ACN-122006012-A

Abstract

The application relates to a device and a method for early warning falling off and permeation of an indwelling needle. The device comprises a sensing patch and a local processor, wherein the sensing patch is connected with the local processor and is used for monitoring stress data of a first target area, monitoring electric characteristic data of a second target area and monitoring liquid leakage data of a third target area, and sending the stress data, the electric characteristic data and the liquid leakage data to the local processor, and the local processor is used for predicting abnormal states of the indwelling needle according to the received stress data, the electric characteristic data and the liquid leakage data, and determining the drop and permeation early warning information of the indwelling needle according to the abnormal states of the indwelling needle. By adopting the method, early warning can be carried out in the early stage of liquid medicine exudation, and the early warning accuracy of falling off and penetration risks is obviously improved.

Inventors

QI XIN
Pan Yingna
LIU YUBAO

Assignees

北京清华长庚医院

Dates

Publication Date: 20260512
Application Date: 20260319

Claims (10)

1. The utility model provides a keep somewhere needle drops and infiltration early warning device which characterized in that includes sensing paster and local treater, wherein: The sensing patch is connected with the local processor and is used for monitoring stress data of a first target area, monitoring electrical characteristic data of a second target area and monitoring liquid leakage data of a third target area, and sending the stress data, the electrical characteristic data and the liquid leakage data to the local processor; The local processor is used for predicting the abnormal state of the indwelling needle according to the received stress data, the received electrical characteristic data and the received liquid leakage data, and determining the shedding and permeation early warning information of the indwelling needle according to the abnormal state of the indwelling needle.
2. The apparatus of claim 1, wherein the sensing patch comprises an adhesive layer, a circuit layer, and a sensor layer, wherein: the adhesive layer is positioned at the bottom layer of the sensing patch and is used for adhering the sensing patch to the surface of the skin of a patient; the circuit layer is positioned on the adhesion layer and used for bearing and connecting each sensor of the sensor layer; The sensor layer is embedded in the circuit layer and is used for collecting the stress data, the electrical characteristic data and the liquid leakage data.
3. The apparatus of claim 2, wherein the sensor layer comprises a stress sensor, a bio-impedance sensor, and a humidity sensor, wherein: The stress sensor is used for obtaining stress data by monitoring the pressure of the fixed wing of the indwelling needle on the skin of the patient and the size and direction of the tension generated by the movement of the patient in the first target area; The bioimpedance sensor is used for obtaining electrical characteristic data by monitoring the conductivity of liquid penetration in the second target area; the humidity sensor is used for obtaining liquid leakage data by monitoring the humidity of the skin puncture point in the third target area.
4. A device as claimed in claim 3, wherein the stress sensor comprises a first sensor unit and a second sensor unit, wherein: the first sensor unit is positioned in a projection area where the fixed wing of the indwelling needle is in contact with the skin of the patient and is used for monitoring the pressure of the fixed wing on the skin of the patient; The second sensor unit is positioned in a stress concentration area of the catheter of the indwelling needle on the skin of the patient and is used for monitoring the magnitude and the direction of tension generated by the traction of the pipeline of the indwelling needle and the movement of the patient.
5. The apparatus of claim 1, wherein the local processor is specifically configured to: Inputting the received stress data, the received electrical characteristic data and the received liquid leakage data into a state prediction model trained based on a machine learning algorithm to obtain an abnormal state of the indwelling needle; and inputting the abnormal state of the indwelling needle into an early warning model trained based on a machine learning algorithm to obtain early warning information of the indwelling needle falling and penetration.
6. The apparatus of claim 1, wherein the local processor is further to: And determining the early warning level of the early warning information of the shedding and the penetration of the detained needle according to the early warning information of the shedding and the penetration of the detained needle, wherein the early warning level is used for representing the emergency degree of the early warning information of the shedding and the penetration of the detained needle.
7. The apparatus of claim 6, further comprising a communication module and a central monitoring platform, wherein: the communication module is used for sending the early warning information of the falling off and penetration of the indwelling needle and the early warning level to the central monitoring platform; The central monitoring platform is used for displaying the received drop and penetration early warning information of the indwelling needle and sending out alarm information when the early warning level reaches an early warning threshold value.
8. The method for early warning the falling off and permeation of the indwelling needle is characterized by comprising the following steps of: acquiring stress data of a first target area, electric characteristic data of a second target area and liquid leakage data of a third target area; predicting an abnormal state of the indwelling needle according to the stress data, the electrical characteristic data and the liquid leakage data; and determining the shedding and permeation early warning information of the indwelling needle according to the abnormal state of the indwelling needle.
9. The method of claim 8, wherein predicting a needle retention anomaly based on the force data, the electrical characteristic data, and the fluid leak data comprises: inputting the stress data, the electrical characteristic data and the liquid leakage data into a state prediction model trained based on a machine learning algorithm to obtain an abnormal state of the indwelling needle; Determining the drop and permeation early warning information of the indwelling needle according to the abnormal state of the indwelling needle, comprising: and inputting the abnormal state of the indwelling needle into an early warning model trained based on a machine learning algorithm to obtain early warning information of the indwelling needle falling and penetration.
10. The method as recited in claim 9, further comprising: and periodically updating parameters of the state prediction model and the early warning model according to a preset database.

Description

Early warning device and method for falling off and penetration of indwelling needle Technical Field The application relates to the technical field of medical monitoring, in particular to a device and a method for early warning falling off and permeation of an indwelling needle. Background The intravenous indwelling needle, also called trocar, is used as a main tool for clinical transfusion treatment, and the application of the intravenous indwelling needle greatly reduces the pain of repeated puncture of patients and simultaneously reduces the workload of nursing staff. The safety problem of the indwelling needle during indwelling is always the key point and the difficulty of clinical nursing work, and mainly comprises (1) unplanned tube drawing, namely accidental shedding, and partial or complete vascular escape of the indwelling needle caused by unintentional traction of a patient (particularly during sleeping or agitation), excessive limb movement, improper fixation and the like. (2) Liquid extravasation and leakage due to improper puncture, increased vascular permeability or displacement of the catheter tip, penetration of the medical fluid into the subcutaneous tissue. Especially, when the irritant drugs such as chemotherapeutics and hypertonic fluids are infused, the extravasation can cause serious tissue injury and necrosis. In order to address the above problems, there are some alarm devices in the prior art for monitoring infusion lines. Most of these devices are based on monitoring physical parameters of the infusion line, for example, by monitoring drops in the drip chamber, line pressure changes, or bubble detection, etc., to provide alarms of blockage, drip or air ingress. However, it is generally difficult in the art to monitor for "invisible" conditions of an indwelling catheter within a subcutaneous blood vessel. Also, early warning cannot be given at an extremely early stage of liquid leakage, resulting in delayed intervention timing. Disclosure of Invention Accordingly, it is necessary to provide an indwelling needle shedding and infiltration early warning device and method capable of early warning in early stage of liquid medicine exudation and remarkably improving early warning accuracy of shedding and infiltration risks. In a first aspect, the application provides an indwelling needle shedding and infiltration early warning device, comprising a sensing patch and a local processor, wherein: The sensing patch is connected with the local processor and is used for monitoring stress data of the first target area, monitoring electrical characteristic data of the second target area, monitoring liquid leakage data of the third target area and sending the stress data, the electrical characteristic data and the liquid leakage data to the local processor; And the local processor is used for predicting the abnormal state of the indwelling needle according to the received stress data, the electrical characteristic data and the liquid leakage data and determining the shedding and permeation early warning information of the indwelling needle according to the abnormal state of the indwelling needle. In one embodiment, a sensing patch includes an adhesive layer, a circuit layer, and a sensor layer, wherein: the adhesive layer is positioned at the bottom layer of the sensing patch and is used for adhering the sensing patch to the surface of the skin of a patient; the circuit layer is positioned above the adhesion layer and used for bearing and connecting each sensor of the sensor layer; the sensor layer is embedded in the circuit layer and is used for collecting stress data, electric characteristic data and liquid leakage data. In one embodiment, the sensor layer comprises a stress sensor, a bio-impedance sensor, and a humidity sensor, wherein: the stress sensor is used for obtaining stress data by monitoring the pressure caused by the fixed wing of the indwelling needle on the skin of the patient and the size and the direction of the tension generated by the activity of the patient in the first target area; the bioimpedance sensor is used for obtaining electrical characteristic data by monitoring the conductivity of liquid penetration in the second target area; And the humidity sensor is used for obtaining liquid leakage data by monitoring the humidity of the skin puncture point in the third target area. In one of the embodiments, the stress sensor comprises a first sensor unit and a second sensor unit, wherein: a first sensor unit, which is positioned in a projection area where the fixed wing of the indwelling needle is contacted with the skin of the patient, and is used for monitoring the pressure of the fixed wing on the skin of the patient; and a second sensor unit, which is positioned at the stress concentration area of the catheter of the indwelling needle on the skin of the patient, and is used for monitoring the magnitude and direction of the tension generated by the traction of the pipeline of