Patient controlled analgesia pump and use method thereof

Abstract

The invention discloses a patient controlled analgesia pump and a use method thereof. The device namely the patient controlled analgesia pump comprises a liquid storing device, a driving device and aPCA (patient controlled analgesia) device, wherein the liquid storing device is used for storing analgesia medicinal liquid; the driving device is fixedly connected with the liquid storing device, andis used for controlling outputting of medicinal liquid of the liquid storing device; and the PCA device is connected with the driving device, a selective switch is arranged in the PCA device, the PCAdevice is arranged outside the driving device, and the selective switch is used for regulating transfusion gears according to pain levels. The selective switch is arranged, a plurality of gears are arranged corresponding to the driving device, and each gear corresponds to different pain levels and corresponding transfusion dosage. A patient can select the pain level on the PCA device according tothe present pain sense, and when the patient needs automatic control administration, the driving device can correspondingly and automatically regulate the dosage according to the selected pain level.

Description

Technical field [0001] The invention relates to the field of medical technology, in particular to an analgesic pump and a method of use thereof. Background technique [0002] Analgesia pump is a medical device to control pain. For a long time, people believed that postoperative pain is a natural phenomenon and inevitable, and that the postoperative pain is only tolerated silently. In fact, pain can be controlled, and it can be relieved or painless with drugs or tools. Pain is an undesirable stimulus that can cause a series of pathophysiological changes in the body, such as the effect on the body’s autonomic nervous system: increased heart rate, shortness of breath, and blood pressure; mental changes lead to irritability, depression, and then affect the digestive system Function, recovery of physical strength; the influence of endocrine and hormones directly and indirectly changes various body functions. [0003] Patient controlled analgesia (Patient Controlled Analgesia, PCA) me...

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides an analgesic pump and its use method to solve the problem that the single dose of PCA analgesic pump in the prior art is fixed, and the patient's pain is not relieved. In this situation, it is necessary to operate the PCA button multiple times to increase the injection volume of the drug, which causes discomfort to the patient.

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