Novel surgical nursing dressing changing apparatus, control system and control method

Abstract

The invention belongs to the technical field of medical equipment, and discloses a novel surgical nursing dressing changing apparatus, control system and control method. The novel surgical nursing dressing changing apparatus is provided with a distilled water bottle, an alcohol bottle, a hemostatics bottle, an anti-inflammatory drug bottle, a spraying gun, an air pressure pipe, a liquid medicine pipe, a rubber pipe, a pressurizing rod, an air pressure display meter, a bottle opening switch, a liquid leakage detection module and a bacteria detection module. The alcohol is stored in the alcoholbottle, the hemostatics are stored in the hemostatics bottle, the anti-inflammatory drug is stored in the anti-inflammatory drug bottle, and the four bottles are pressurized by virtue of the pressurizing rod. By adopting the novel surgical nursing dressing changing apparatus, the complicated dressing changing apparatus is simplified, so that the dressing changing time is saved, and the working efficiency is increased; in addition, the medicine is sprayed by using the spraying gun, the medicine is more uniformly sprayed, and the treatment on a wound can be facilitated; meanwhile, whether the liquid medicine is leaked or not can be detected by virtue of the liquid leakage detection module; and the bacteria information in the dressing changing process can be detected by virtue of the bacteriadetection module, so that the cleanliness and hygiene in the dressing changing process can be ensured.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a novel surgical nursing dressing changing device, a control system and a control method. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] At present, for externally applied medicines, after reaching the specified usage time, the old medicines are removed and new medicines are applied to ensure the effectiveness of the medicines. Generally, the old drug and the new drug are the same drug. Or use one or several drugs, and replace them with other one or several drugs due to medical needs (such as the curative effect has been achieved, or a better treatment plan has been found). Dressing change process is an extremely important process, and the process of dressing change directly affects the treatment process. There is not a kind of good time-saving now, and the dressing changing device...

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Problems solved by technology

However, this literature does not give specific algorithm steps for carrier frequency estimation, and further research on its covariance spectrum is still needed to estimate carrier frequency

Aiming at the problem that the parameter estimation method based on second-order cyclic statistics is severely degraded in Alpha-stable distributed noise, Zhao et al. proposed a method for estimating the carrier frequency of MPSK signals based on fractional low-order cyclic spectra. For PSK under different M values signal, the relationship between its carrier frequency and the corresponding fractional low-order cyclic spectrum parameters is analyzed, and on this basis, a carrier frequency estimation method suitable for all PSK signals is given

In this method, when the mixed signal-to-noise ratio is -10dB and α is 1.5, the normalized mean square error of carrier frequency estimation of BPSK signal is 0.043, and the normalized mean square error of carrier frequency estimation of QPSK signal is 0.041, so the low signal The performance of carrier frequency estimation under the noise ratio still needs to be improved

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