Implantating device of implantating mini-radioactive resource

Abstract

An implantation device for implanting miniature radioactive source in the tumor tissue features that a small and light radioactive source storage cabin able to be separated from the implantation cabin of radioactive source is used. Its advantages are easy operation and easy supplement of radioactive source.

Description

technical field [0001] The invention relates to an instrument for internal (interstitial) radiotherapy of tumors, in particular to an implanter for implanting micro-radiation sources between tumor tissues. Background technique [0002] As one of the three conventional means of tumor treatment (surgery, chemotherapy, radiotherapy), radiotherapy plays a very important role in the treatment of malignant tumors and prolonging the life of patients. [0003] Due to the limitations of current diagnostic techniques, early detection and early diagnosis cannot be fully realized. Many patients have already entered the middle and late stages of cancer when they see a doctor, and have lost the opportunity for radical surgery. Therefore, the use of radiotherapy has become one of the essential clinical treatment. Clinically, about 70% of tumor patients need radiotherapy at different stages of their treatment. [0004] Since traditional external radiation therapy cannot isolate normal tis...

AI Technical Summary

Problems solved by technology

[0008] One is that it is inconvenient to supplement radioactive sources. Generally, a rotary disc implanter can only hold 20-40 radioactive sources, and a patient often needs to plant dozens or even hundreds of radioactive sources for one treatment. Reloading radioactive sources is neither convenient nor safe

[0009] The second is that the volume of the rotary disk storage implantation chamber is large, and the distribution of human lesions has a certain volume range, so it is often necessary to insert multiple hollow needles at the same time within this range. These hollow needles collide with each other, and the inserted hollow needles may even be touched, resulting in the danger of puncturing vital organs or blood vessels of the human body, so the work of surgical operators is very difficult

[0010] The third is that in order to continuously transport the radioactive source, it is necessary to completely pull out the push needle and rotate the turntable of the storage implant chamber, which will increase the operating burden of the operator.

[0011] Fourth, the storage and implantation compartment of the rotary disc implanter is large in size and heavy in weight, and the operation is laborious

[0012] Fifth, the implantation of radioactive particles needs to be implanted while withdrawing the needle, and the cooperation between the hollow needle and the implanter is a taper fit, which is only connected and fixed by friction force. If the operation is not careful during the withdrawal process, it is easy to make the hollow Needle separated from implant

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