Hystero-salpingography and recanalization surgical instrument and use method thereof

Abstract

The invention belongs to the technical field of medical appliances, particularly relates to a hystero-salpingography and recanalization surgical instrument and a use method thereof. The invention aims to overcome the defect of the existing hystero-salpingography and recanalization surgical instruments, designs a special sheath guide device as well as a canula and a guide wire which are matched with the sheath guide device for hystero-salpingography and recanalization, and the surgical instrument consists of the sheath guide device with a ballonet, an inner core of the guide device, the canula and the guide wire. The inner core of the sheath guide device is smooth and hard and has round and blunt head end, and when the rear end of the inner core is locked, the front end thereof is protruded out of the front end of the sheath guide device and is seamlessly attached with the sheath guide device; the part, which is placed in a uterine cavity, of the sheath guide device is short and is right placed in the middle of the uterine cavity; metal marks which can not be penetrated by X ray are arranged at the head end parts of the sheath guide device and the canula; and the hard material of the canula has stronger torsion, the head end parts of both the canula and the guide wire are provided with a single flexure degree of 15 to 30 degrees, and the direction marks at the rear parts have the same bending directions as those of the head end parts.

Description

A kind of hysterosalpingography and recanalization operation instrument and using method thereof technical field The invention belongs to the technical field of gynecological medical devices, and in particular relates to a hysterosalpingography and recanalization surgical device and a use method thereof. Background technique Infertility refers to those couples of childbearing age who have normal sexual life and do not take contraceptive measures but are not pregnant. Its morbidity rate shows a clear upward trend. According to the survey results of the World Health Organization in 33 centers in 25 countries in the middle and late 1980s, about 5% to 8% of couples of childbearing age in developed countries are troubled by infertility. The prevalence of infertility in some areas of developing countries is as high as 30%, and it is about 6% to 15% in my country. The number of infertility patients in the world is about 80 million to 110 million. There are many reasons for infer...

AI Technical Summary

Problems solved by technology

Unfortunately, the relevant surgical instruments currently used in China have obvious limitations. Some products are expensive and cannot be afforded by Chinese people for one-time use; the contrast catheter in some products needs the cooperation of cervical forceps and metal probes when entering the cervix, which is easy to damage the uterus The opening of the endometrium or fallopian tubes causes new inflammation; for patients with primary infertility and cervical spasm, it is not easy to insert related instruments; there is blindness in finding the opening of the fallopian tubes during the operation, not only the operation time is long, and the radiation dose received by doctors and patients is large , and may further aggravate the endometrial damage; the head of the contrast tube is often biased to one side, and it is easy to appear that one side of the fallopian tube or uterine horn is well developed, but the opposite side is not developed or the image cannot be analyzed even though it is developed. It is necessary to repeatedly adjust the contrast tube for multiple imaging to obtain satisfactory results, which undoubtedly increases the chance of endometrial damage and infection

Images