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Implanted type magnetic particle

An implantable, magnetic permeability technology, applied in the field of implantable magnetic seeds, can solve the problems of easy recurrence and destruction of prostate tissue, etc.

Inactive Publication Date: 2017-06-09
METAL INDS RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned another method of destroying prostate tissue by radio frequency or microwave heat treatment mainly relies on high temperature (about 43 degrees Celsius to 46 degrees Celsius) to make the tissue mutate and dehydrate, so that the tissue shrinks, although it is not as large as the aforementioned tissue removal. Trauma, which belongs to local thermal treatment, but it is easier to relapse (according to statistics, about 20% of patients will relapse within 3 years), and another operation is required

Method used

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  • Implanted type magnetic particle
  • Implanted type magnetic particle
  • Implanted type magnetic particle

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Experimental program
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Embodiment Construction

[0038] figure 1 is a schematic diagram of an implantable magnetic seed according to an embodiment of the present invention. figure 2 is partially cut figure 1 A schematic diagram of the implantable magnetic seed. see figure 1 and figure 2 The implantable magnetic seed 100 of this embodiment is suitable for use in the treatment of benign prostatic hyperplasia or cancer (such as thyroid tumors, liver tumors, etc.). The implantable magnetic seed 100 includes an outer shell region 110 and an inner core region 120 surrounded by the outer shell region 110 . The relative magnetic permeability (μ r ) is greater than 2.

[0039] What is to be explained here is that the relative permeability (Relative permeability or Relative magneticpermeability, μ r ) is defined as the magnetic permeability (μ) of a substance and the air or vacuum magnetic permeability (μ o ) ratio. Generally, the relative magnetic permeability of ferromagnetic substances, such as steel, cobalt, nickel, etc...

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Abstract

The invention provides an implant type magnetic particle. The magnetic particle includes an outer shell area and an inner core area. The inner core area is surrounded by the outer shell area and includes a cavity, and the relative magnetic inductivity (Mur) of at least local region of at least one of the outer shell area and the inner core area is larger than 2. The implant type magnetic particle is small in size, can be implanted into an affected part only through a small opening, and can generate heat energy under the influence of an external alternating magnetic field so as to conduct thermal treatment on tissue of the affected part.

Description

technical field [0001] The invention relates to a magnetic seed, in particular to an implanted magnetic seed. Background technique [0002] Benign Prostatic Hyperplasia (BPH), commonly known as benign prostatic hypertrophy or prostate hypertrophy. Benign prostatic hyperplasia is not cancer, and it will not cause cancer. It is a natural and normal aging phenomenon. It often occurs in men over 50 years old and is a common disease in elderly men. In 2014, the population of BPH patients was about 15 million in the United States, about 1.14 million in Taiwan, and about 210 million in the world with enlarged prostate [0003] At present, the treatment of benign prostatic hyperplasia is to reduce the size of the prostate gland through drug therapy, and in severe cases, the prostate gland is surgically removed or destroyed. The most representative method in surgical treatment is transurethral resection of the prostate. This method has become the most important surgical method for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/04
Inventor 蓝毓杰杨东洁尤崇智蔡育贤
Owner METAL INDS RES & DEV CENT