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Title:
BONE CEMENT INJECTION NEEDLE
Document Type and Number:
WIPO Patent Application WO/2010/044462
Kind Code:
A1
Abstract:
Disclosed is a bone cement injection needle (100) wherein the bone cement injection needle (100) comprises: a hollow outer needle (110); an outer needle hub (120) affixed to the base end part of the outer needle (110); an inner needle (130) that can be slidably inserted into the hollow part of the outer needle (110); and an inner needle hub (140) affixed to the base end part of the inner needle (130). The outer needle (110) comprises a first side hole (113) located near the tip; a second side hole (114) located near the base end part; and a depressurization passage which connects the first side hole (113) and the second side hole (114).

Inventors:
TAKIZAWA Kenji (2-16-1 Sugao, Miyamae-ku, Kawasaki-sh, Kanagawa 11, 〒2168511, JP)
滝澤謙治 (〒11 神奈川県川崎市宮前区菅生2-16-1 学校法人 聖マリアンナ医科大学内 Kanagawa, 〒2168511, JP)
HAYAKAWA Koichi (1500 Inokuchi, Nakai-machi, Ashigarakami-gu, Kanagawa 51, 〒2590151, JP)
早川浩一 (〒51 神奈川県足柄上郡中井町井ノ口1500番地 テルモ株式会社内 Kanagawa, 〒2590151, JP)
Application Number:
JP2009/067913
Publication Date:
April 22, 2010
Filing Date:
October 16, 2009
Export Citation:
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Assignee:
St. Marianna University School of Medicine (2-16-1, Sugao Miyamae-ku, Kawasaki-sh, Kanagawa 11, 〒2168511, JP)
学校法人 聖マリアンナ医科大学 (〒11 神奈川県川崎市宮前区菅生2-16-1 Kanagawa, 〒2168511, JP)
TERUMO KABUSHIKI KAISHA (44-1, Hatagaya 2-chome Shibuya-k, Tokyo 72, 〒1510072, JP)
テルモ株式会社 (〒72 東京都渋谷区幡ヶ谷2丁目44番1号 Tokyo, 〒1510072, JP)
TAKIZAWA Kenji (2-16-1 Sugao, Miyamae-ku, Kawasaki-sh, Kanagawa 11, 〒2168511, JP)
滝澤謙治 (〒11 神奈川県川崎市宮前区菅生2-16-1 学校法人 聖マリアンナ医科大学内 Kanagawa, 〒2168511, JP)
International Classes:
A61B17/56; A61B17/34; A61M3/00
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (Shinjuku Maynds Tower 16F, 1-1 Yoyogi 2-chome, Shibuya-k, Tokyo 53, 〒1510053, JP)
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