A palace-lifting device capable of accurate positioning

Abstract

The invention relates to a medical instrument, in particular to a uterine manipulator capable of achieving accurate positioning. The uterine manipulator comprises a uterine lifting cup, a hollow operating rod and a guide rod, wherein the hollow operating rod is connected to the uterine lifting cup and the guide rod is arranged in an inner cavity of the operating rod and is capable of extending out of the uterine lifting cup; the uterine lifting cup is composed of two parts, namely an upper part and a lower part; the lower part is fixedly connected to the operating rod, and the lower part, in the axial direction of the peripheral wall thereof, is provided with a plurality of annular grooves which are spaced from each other; and the upper part includes a plurality of blades which are fixedly connected to the lower part and are spaced from each other in a circumferential direction. By virtue of the plurality of the grooves which are arranged on the uterine lifting cup, a doctor, in a cervical carcinoma lesion resection, can determine the length of vagina to be resected according to the positions of the corresponding grooves, so that a lesion can be accurately and completely resected; in addition, the operating rod is provided with two scales of which one is capable of judging the invasion depth of the operating rod and the other one is capable of judging the length of the guide rod extending into a uterine cavity. Therefore, the uterine manipulator disclosed by the invention can achieve accurate positioning by virtue of the uterine lifting cup, the operating rod and the guide rod.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a uterus lifting device that can be positioned accurately. Background technique [0002] At present, in the excision of cervical cancer lesions, it is necessary to use a uterine lifting device. A current palace lifter is composed of a joystick, a telescopic guide rod located in the inner cavity of the joystick, and a palace lifter cup located at the front end of the joystick. During the operation, the lifter enters the patient's body through the vagina, the guide rod on the lifter penetrates into the uterus, the upper end of the lifter cup is against the cervix, and the peripheral wall of the lifter cup opens the vagina. The commonly used uterine cup in clinical practice has several disadvantages, such as destroying the integrity of tumor tissue, easily causing tumor tissue to fall off or being squeezed to cause spread, the cup body is smaller than the cervix, or the uterine c...

AI Technical Summary

Problems solved by technology

There are several disadvantages of the commonly used uterine cups in clinical practice, such as destroying the integrity of tumor tissue, easily causing tumor tissue to fall off or be squeezed to cause spread, the cup body is smaller than the cervix, or the uterine cup cannot be placed due to vaginal atrophy, etc.

In addition, when the cervical cancer lesion is removed, the vagina below the cervix needs to be removed as well, but this position is usually difficult to see clearly during the operation, so doctors usually use experience to grasp it

This may result in inaccurate resection positions, resulting in inability to remove the lesion cleanly and possible disease recurrence

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