Ureteral stones
Conditions
Interventions
Experimental group:Ureteral stones, holmium laser lithotripsy is performed using microcatheter irrigation techniques
Sponsors
Mianzhu People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1.Age 18 years old and above, under 75 years old. 2.The middle and lower ureteral calculus was diagnosed by CT scan of the urinary system. 3.Laser lithotripsy of upper urinary tract stones was indicated by transurethral ureteroscopy or flexible ureteroscopy. 4.Volunteer to participate in this study, willing to complete follow-up follow-up, and sign a written informed consent form. 5.It met the relevant diagnostic criteria of the "Guidelines for the Diagnosis and Treatment of Urinary Stones" and was diagnosed as ureteral calculus by CT examination.
Exclusion criteria
Exclusion criteria: 1.Exclusion Criteria: 2.Have uncured kidney tuberculosis or an uncontrolled urinary tract infection. 3.Complicated with malignant tumor of urinary system. 4.Preoperative imaging examination indicates severe distortion of the ureter, stricture of the ureter, and other reasons that may lead to difficulty in access. 5.The hip joint is abnormal and cannot tolerate the lithotomy position. 6.Suffers from serious life-threatening comorbidities such as cardiovascular and cerebrovascular diseases, and cannot tolerate surgery. 7.Age =140/90 mmHg (1 mmHg = 0.133 kPa), age=150/90 mmHg or with diabetes and blood pressure>= 140/90 mmHg. 8.In diabetic patients with uncontrolled blood glucose, glycated hemoglobin > 7.0% or fasting blood glucose >=9 mmol/L. 9.Those with abnormal coagulation function, systemic hemorrhagic disease, or a history of blood transfusion within 3 months of the screening period. 10.Women who are pregnant or planning to become pregnant and breastfeeding within 6 months. 11.Participants in other clinical trials within the past three months.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ureteral Stone Fragmentation Area Pressure (mmHg);Ureter Stone Fragmentation Area Temperature (?);Injection pressure for in vitro model tests;Number of stone escape incidents;Duration of continuous laser lithotripsy with clear field of view; | — |
Secondary
| Measure | Time frame |
|---|---|
| Stone displacement distance(cm); | — |
Countries
China
Contacts
Public ContactLi Gang
Mianzhu People's Hospital
Outcome results
None listed