Medical implantation device
Patent 4402308 Issued on September 6, 1983. Estimated Expiration Date: 
November 3, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 3, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2269963 2761446 3155093 3921632 Implant injector Planar radioactive seed implanter Patent #: 4167179 InventorApplicationNo. 06/203320 filed on 11/03/1980US Classes:600/7, Injectors/holders for seeds or implants (e.g., capsules)604/60Solid ejected from body inserted conduitExaminersPrimary: Lesmes, George F.Assistant: Swisher, Nancy A. B. Attorney, Agent or FirmInternational ClassesA61B 17/34 (20060101)A61N 5/10 (20060101) AbstractAn injector for implanting materials comprising a hollow tubular sheath with a sharpened point suitable for injecting into human tissue and a slotted needle slidably and rotatably mounted inside said sheath, the sheath being retractable to expose any portion or all of the slotted needle, and the needle being rotatable within the sheath. This device is employed for implanting radioactive seeds in human tissue for treatment thereof.Other References
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