Title:
Brachytherapy seed insertion and fixation system
Document Type and Number:
Japanese Patent JP6334674
Kind Code:
B2
Abstract:
Brachytherapy seed insertion and fixation devices and systems to decrease implanted brachytherapy seed migration within tissue and minimize trauma. Component(s) with cavity or opening features are attached to a brachytherapy seed or series of seeds. The cavity or opening features interact with the patient's tissue to fix the seed and component assembly in place and inhibit movement/migration of the seed(s). The cavity or opening features may optionally be filled with an adhesive or other beneficial material. The seed(s) or seed and component assembly may be inserted using a delivery device having a needle through which the seed(s) or assembly are implanted and a stylet extending through the needle to cut tissue and facilitate insertion of the needle. The stylet has a reduced diameter cutting tip to cut a narrow hole in tissue, and a tapered region that stretches the narrow hole to accommodate insertion of the larger diameter needle.
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Inventors:
John Spittle
Drobnik, Michael W.
Drobnik, Christopher Dee
Cracheon, microphone
Drobnik, Michael W.
Drobnik, Christopher Dee
Cracheon, microphone
Application Number:
JP2016503062A
Publication Date:
May 30, 2018
Filing Date:
March 14, 2014
Export Citation:
Assignee:
C R BARD INCORPORATED
International Classes:
A61N5/10; A61M36/12
Domestic Patent References:
| JP2006517127A | ||||
| JP2011139935A | ||||
| JP2006517850A |
Foreign References:
| US6932758 | ||||
| WO2001008578A1 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Yasuko Tagami
Takuya Ando
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Yasuko Tagami
Takuya Ando
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