US Patent No: 6,060,036
Number of patents in Portfolio can not be more than 2000
Radioactive seed implants
Stats
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May 9, 2000
Issued date -
Mar 25, 1998
filing date -
09/047,728
serial no -
In Force
status
Importance
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Abstract
Past techniques utilized wet chemistry to produce a carrier free radioisotope for a seed implant. However, by using the technique of ion implantation, it is possible to physically separate the precursor isotope by magnetic means and further, to physically direct a beam of these isotopically pure atoms and to embed them into a suitable carrier body. Thus, formation of the seed implant may be accomplished using dry techniques, that is, no liquid chemistry. The systems and methods disclosed herein are designed to produce a beam of a single stable isotope using an ion implanter and to further implant this single stable isotope below the surface of a carrier body. After neutron activation, these single stable isotopes will produce the isotopes iodine-125, palladium-103, cesium-131, or ytterbium embedded within the carrier body. Optionally, the carrier body may be encapsulated prior to activating the precursor isotope embedded in the carrier body.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,891,165 Device and method for encapsulating radioactive materials | 101 | 1988 | |
| 4,946,435 Flexible sealed radioactive film for radiotherapy, and method of making same | 52 | 1988 | |
| 5,163,896 Pellet for a radioactive seed | 91 | 1991 | |
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| 4,702,228 X-ray-emitting interstitial implants | 133 | 1985 | |
| 4,784,116 Capsule for interstitial implants | 103 | 1987 | |
| 5,405,309 X-ray emitting interstitial implants | 125 | 1993 | |
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| 4,697,575 Delivery system for interstitial radiation therapy including substantially non-deflecting elongated member | 117 | 1984 | |
| 4,815,449 Delivery system for interstitial radiation therapy including substantially non-deflecting elongated member | 178 | 1987 | |
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| 4,660,547 Method and apparatus for the diagnosis of respiratory diseases and allergies | 15 | 1986 | |
| 4,803,977 Method and apparatus for the diagnosis of respiratory diseases and allergies | 15 | 1987 | |
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| 5,683,345 Method and apparatus for treating a desired area in the vascular system of a patient | 146 | 1994 | |
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| 4,714,074 Method for protecting human or animal organs against radiation | 24 | 1985 | |
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| 4,969,863 Adaptor for remote after-loading apparatus for radiotherapy | 74 | 1988 | |
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| 4,861,520 Capsule for radioactive source | 100 | 1988 | |
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| 5,713,828 Hollow-tube brachytherapy device | 146 | 1995 | |
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| 5,503,614 Flexible source wire for radiation treatment of diseases | 111 | 1994 | |
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| 4,323,055 Radioactive iodine seed | 100 | 1980 | |
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| 4,881,938 Method and an apparatus for treating a part of the body with radioactive material | 16 | 1987 | |
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| 4,733,653 Radiotherapy apparatus | 25 | 1985 | |
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| 4,815,446 Process for treating metastasis of cancerous tumors | 32 | 1985 | |
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| 4,827,493 Radiographic source | 8 | 1987 | |
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| 4,398,089 Penetration sensing system with radiation-emitting material | 5 | 1972 | |
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| 5,030,194 Method and apparatus for effecting radioactive therapy in an animal body | 74 | 1989 | |
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| 4,881,937 Method of treating a part of the body with radioactive material and a trolley for use therein | 60 | 1987 | |
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| 4,510,924 Brachytherapy devices and methods employing americium-241 | 35 | 1983 | |
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| 4,584,991 Medical device for applying therapeutic radiation | 78 | 1983 | |
| 4,586,490 Needle inserting instrument means for interstitial radiotherapy | 56 | 1984 | |
| 4,715,359 Safety bottle and cap for the administration of liquid radioactive iodine | 17 | 1986 | |
| 5,030,195 Radioactive seed patch for prophylactic therapy | 32 | 1989 | |
| 5,342,283 Endocurietherapy | 200 | 1990 | |