JPS5830409U - biopsy needle - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面で第１図は本考案実施の１例の分解斜面図、第２図
はその■−■線截線面断面図３図はその■−■線截線面
断面図４図は他の実施例の要部の斜面図、第５図はその
Ｖ−Ｖ線截断面図、第６図はそのＶＩ−ＶＩ線截断面図
、第７図乃至第１３図はその作動状態を示す裁断側面図
である。 １・・・・・・切縁、２・・・・・・管針、３・・・・
・・尖片、４・・・・・・凹欠部、５・・・・・・採取
針、６・・・・・・中空管、′７・・・・・・陰圧発生
用のピストンシリンジ、８・・・・・・チップ、９・・
・・・・連通空隙、６ａ・・・・・・内側面、８ａ・・
・・・・外側面。 ■生検針 −［有］実　　　願　昭５６−１２４１２７（沖出　　
　願　昭５６（１９８１）　８月２４日（７多考　案　
者　安念憲二 東京都足ヴ区舎人５−２ｌ−５９ （７）出　願　人　株式会社トップ 東京都足立区千住竜田町４の６In the drawings, Fig. 1 is an exploded perspective view of one example of implementing the present invention, Fig. 2 is a cross-sectional view taken along the line ■-■, Fig. 3 is a cross-sectional view taken along the line ■-■, and Fig. 4 is a cross-sectional view taken along the line x-■. FIG. 5 is a cross-sectional view taken along the line V-V, FIG. 6 is a cross-sectional view taken along the VI-VI line, and FIGS. 7 to 13 are side views showing the operating state. It is. 1... Incisal edge, 2... Tube needle, 3...
... Point piece, 4 ... Concave notch, 5 ... Collection needle, 6 ... Hollow tube, '7 ... For generating negative pressure Piston syringe, 8...Tip, 9...
...Communication gap, 6a...Inner surface, 8a...
...Outer surface. ■ Biopsy needle - [Yes] Minoru Gan Showa 56-124127 (Okiide
Requested August 24, 1981 (7 different ideas)
Person: Kenji Anen 5-2l-59 Toneri, Asibu-ku, Tokyo (7) Applicant: Top Co., Ltd. 4-6, Senju Tatsuta-cho, Adachi-ku, Tokyo

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 先端を斜めに削成してその端縁を鋭利な切縁１に形成し
た管針２と、先端を斜めに削成して尖片３とし、該尖片
３の後部に凹欠部４を形成した前記管針１内にその長さ
方向に沿って摺動自在に挿入した採取針５とを備え、該
採取針５の後部側を中空管６に形成すると共に該中空管
６の後部に陰圧発生用のピストンシリンダ７ａ、７ｂを
接続したものに於いて、採取針５を前記尖片３と凹欠部
４とを備えたチップ８と前記中空管６とで形成し、該チ
ップ８の少な（とも根部を中空管６内に挿着し、該チッ
プ８の外側面８ａと中空管６の内側面６ａとの間に、凹
欠部４と中空管６内とを連通する複数個の連通空隙９を
設けたことを特徴とする生検針。A tube needle 2 whose tip is obliquely ground to form a sharp incisal edge 1, a tip which is obliquely ground to form a pointed piece 3, and a concave notch 4 at the rear of the pointed piece 3. A collection needle 5 is slidably inserted into the formed tube needle 1 along its length, and the rear side of the collection needle 5 is formed into a hollow tube 6, and the hollow tube 6 is In the case where piston cylinders 7a and 7b for generating negative pressure are connected to the rear part, the collection needle 5 is formed by the tip 8 having the pointed piece 3 and the recessed part 4 and the hollow tube 6, The tip 8 is inserted into the hollow tube 6, and between the outer surface 8a of the tip 8 and the inner surface 6a of the hollow tube 6, the concave notch 4 and the inside of the hollow tube 6 are inserted. A biopsy needle characterized in that a plurality of communication gaps 9 are provided to communicate with each other.