Bipolar electrode of resectoscope

Abstract

The invention discloses a bipolar electrode of a resectoscope. The bipolar electrode comprises two metal sleeves, an insulating sleeve, a dual-core wire, a semi-circular positive electrode, a loop electrode, two insulating tubes and binding posts, wherein the front section parts of the two metal sleeves are forked and spaced, the rear section parts fit each other in parallel, and the insulating sleeve is arranged on the peripheries of the rear section parts; the two ends of the two metal sleeves are fixedly connected with the two ends of the semi-circular positive electrode through the two insulating tubes respectively, and the binding posts are arranged at the tail ends; one wire of the dual-core wire is electrically connected with the metal sleeve, and the other wire penetrates into the metal sleeve and electrically connected with the positive electrode at the front end; the loop electrode comprises two metal tubes which are arranged on the peripheries of the front parts of the two metal sleeves respectively and electrically connected with the metal sleeves; and the rear section parts of the two metal tubes of the loop electrode and the front section parts of the metal sleeves are externally wrapped by an insulating layer sleeve. The bipolar electrode disclosed by the invention is safe and reliable and realizes a better operation effect.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an electrode used in a resectoscope for minimally invasive surgery. Background technique [0002] Prostatic hypertrophy and hyperplasia are common diseases with a high incidence rate in middle-aged and elderly men, and surgical resection is the most effective treatment. The traditional open surgery is to make an incision in the patient's lower abdomen, and then cut the bladder to take out the prostate, which will cause great damage to the normal physiological structure of the urethra. Moreover, most of the benign prostatic hyperplasia is the elderly, they are often accompanied by other serious diseases, and it is difficult to tolerate the trauma caused by open surgery. Pay attention to. Transurethral resectoscope resection of the prostate was invented in developed countries in Europe and the United States. Since this operation does not require surgery on the human body ...

AI Technical Summary

Problems solved by technology

[0007] Although the rationality and precision of the existing bipolar electrode structure have reached a fairly high level, there are still certain defects, mainly as follows: Figure 4 As shown, during the operation, when the bipolar electrode moves back and forth relative to the endoscope 20, since the diameter of the metal mirror rod 25 of the endoscope is close to the distance between the two return electrodes 14, and the distance between the two return electrodes 14 Between, it is easy to touch, such as Figure 4 Contacts in 100

When the operation is performed, the return electrode 14 is charged, so it is prone to leakage, and there is a certain potential safety hazard

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