Endometrial polyps,Uterine submucous myoma,Uterine cavity residual pregnancy tissue,Artificial abortion,Intrauterine device removal
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.women aged 18 years or older; 2.Those who voluntarily accepted intrauterine operations such as ring removal, curettage, artificial abortion, hysteroscopy, and signed informed consent in writing; 3.There was no known allergic reaction or sensitivity of normal saline and polyvinyl alcohol formaldehyde polymer materials in the past;
Exclusion criteria
Exclusion criteria: 1.There are known abnormalities in the development of uterine cavity structure or compression of lesions such as uterine fibroids, which lead to uterine cavity deformation. 2.Congenital cervical abnormalities; 3.Previous history of cervical surgery; 4.Postmenopausal cervical extreme atrophy, structure disappeared; 5.The use of drugs that may soften the cervix, such as misoprostol, phloroglucinol injection, etc. and is in the drug effect period; 6.Foly catheter, seaweed rod and other tools for cervical dilatation have been used. 7.Cervical biopsy was performed before uterine cavity operation; 8.Untreated acute cervicitis or pelvic inflammatory disease; 9.Can 't understand how to score pain by visual analogue scale ( VAS ). 10.Not willing to participate in this study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cervical dilatation before the use of cervical dilatation rod;Cervical dilatation after the use of cervical dilatation rod; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time required for mechanical expansion ( T );pain score;Surgeons evaluated the use of disposable cervical dilatation sticks ( 5-point Likert scale ).;Adverse events, patient satisfaction with pain control, and intraoperative complications occurred.; | — |
Countries
China
Contacts
Affiliated hangzhou first people's hospital, zhejiang university school of medicine