None
Conditions
Interventions
Experimental group:The fully enclosed pulse positive pressure vortex device flushing and sealing tube system, featuring a pre-filled integrated sterile structure, is connected to a three-way connector
Control group:The traditional A-C-L catheter maintenance process is adopted, which involves assessment, pulse cleaning, and positive pressure locking. Each maintenance process is manually completed by
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Hospitalized patients aged 18 and above with severe conditions who require deep venous catheterization or central line catheter therapy; 2. Expected indwelling catheter time >=7 days; 3. The catheterization site and procedure comply with aseptic technique standards; 4. Those who have signed the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients with clear signs of infection or positive blood cultures before catheterization; 2. Combined with severe immunosuppression (such as active tumor chemotherapy, long-term hormone use, organ transplantation, etc.); 3. Non-standard use of catheters or poor patient compliance; 4. Combined bleeding tendency or coagulation mechanism disorder.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of catheter-related infections; | — |
Secondary
| Measure | Time frame |
|---|---|
| Closedness and anti-reflux capability of the flushing and locking system; | — |
Countries
China
Contacts
Public ContactLi Lianchi
West China Hospital, Sichuan University
Outcome results
None listed