Clinical Research Directory

Inclusion Criteria: * Aged 18 to 45 years; * Be in good health; * Consent to participate in the clinical trial and sign the informed consent form. Exclusion Criteria: * Abnormal results in biochemical checks and physiological indicators. * Cardiovascular and cerebrovascular diseases: hypertension, coronary heart disease, congenital heart disease, cerebrovascular alterations, etc. * Endocrine diseases: diabetes, thyroid disorders, etc. * Hematologic diseases: anemia, paroxysmal hemoglobinuria, primary thrombocytosis, etc. * Infectious diseases: hepatitis B, hepatitis C, syphilis, etc. * Cancer. * Neurological and psychiatric disorders. * Vascular diseases: peripheral vascular disease, Raynaud's syndrome, thromboembolic diseases. * Major trauma or surgery within the last six months. * Pregnant or breastfeeding women. * Upper limbs unsuitable for compression treatment: history of upper limb surgery, presence of tissue damage and limb deformity, and concomitant hemorrhagic diseases. * Recent circumstances that may affect results: blood donors within the last month, any medication taken within the last month, fever within the last week, women within their menstrual cycle or within 7 days before the start of menstruation. * Patients who refuse to sign the informed consent form for participation in this study.