Novel one-needle angle-adjustable iodine-125 particle implantation device
By designing high-strength stainless steel implantation main needle, adjustable angle disc and bendable implantation secondary needle, the problem of insufficient accuracy, long surgery time and great pain in the precision implantation technology of iodine 125 particles in tumor radiation therapy is solved, and a more efficient and accurate implantation process is achieved.
Patent Information
- Application Number
- CN202411359983.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-04-25
AI Technical Summary
The precise implantation technology of iodine 125 particles in the existing tumor radiation therapy has problems such as insufficient accuracy, long surgery time and great pain in patients.
A new type of medical device was designed, with an implanted main needle made of high-strength stainless steel material, equipped with an adjustable angle disc and a bendable implantable secondary needle to achieve accurate implantation of iodine 125 particles.
Through the use of this medical device, the precise implantation accuracy of iodine 125 particles can be significantly improved, the operation time can be reduced, and the patient's pain can be reduced.
Smart Images
Figure CN119868820A_ABST
Abstract
Description
Technical Field
[0001] Suitable for precise implantation of iodine-125 particles in tumor radiotherapy. Background Art
[0002] This device is a new type of medical instrument for tumor radiotherapy, mainly used for the precise implantation of iodine 125 particles.
[0003] Its unique one-needle design and adjustable angle function can improve implantation accuracy, reduce operation time and reduce patient pain. Summary of the invention
[0004] 1. Main implant needle: Made of high-strength stainless steel material with sharp tip to ensure smooth puncture; used to control the advancement and angle adjustment of the 18G secondary implant needle.
[0005] 2 Angle adjustment disc: The implantation main needle has an adjustable implantation angle disc with a range of ±45° and can rotate 360° to meet different surgical needs.
[0006] 3. Implantation accessory needle 18G: The distal end is made of flexible material, can be bent to 135°, and has an implantation distance scale of 1.4cm.
[0007] 4. Implantation accessory needle 16G: Made of high-strength stainless steel, it is used to guide the implantation of iodine-125 particles into the center of the plane circle, with a built-in scale of 1cm. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 Physical diagram of the iodine-125 seed implantation device, A: adjustable needle insertion interval, B: iodine-125 implantation route, C: implanted device (main needle and auxiliary needle); D: radiation distribution;
[0009] Figure 2 Planar diagram of particle distribution after iodine-125 seed implantation;
[0010] Figure 3 Picture of the work after iodine-125 seed implantation.
Claims
1. A new type of one-needle adjustable angle iodine 125 seed implantation device, characterized by: It includes an implantation main needle, an angle adjustment disk, an implantation auxiliary needle 18G, and an implantation auxiliary needle 16G; the implantation main needle: is made of high-strength stainless steel material, with a sharp tip to ensure smooth puncture; it is used to control the advancement and angle adjustment of the implantation auxiliary needle 18G; The angle adjustment disk: the implantation main needle is equipped with an adjustable implantation angle disk, with a range of ±45° and 360° rotation to meet different surgical requirements; The implantation accessory needle 18G: the distal end is made of bendable material, can be bent to 135°, and has an implantation distance scale of 1.4 cm. The implantation auxiliary needle 16G is made of high-strength stainless steel material and is used to guide the implantation of iodine-125 particles into the center of a plane circle, and has a built-in scale of 1 cm.