Needle assembly

Details Needle assembly Needle assembly

1982-02-09

1984-03-06

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604240, A61M 532

Patent

active

044351763

ABSTRACT:
A needle assembly for use with a hypodermic syringe having a snout, which comprises a needle, a needle holder having a flare bore section for coupling with the snout of the syringe and a hollow pipe provided in the flared bore section of the needle holder. The pipe is shaped and sized to be inserted in a snout hole when the needle holder couples with the snout through the flared bore section formed therein. The pipe has a passage which communicates with a needle bore through a narrow hole formed in the needle holder. A filter may be provided in the needle holder. The quantity of liquid medicine left in the needle holder and the snout hole of the syringe after the injection is made extremely small. When the filter is provided in the needle holder, impurities can be removed.

REFERENCES:
patent: 3096763 (1963-07-01), McConnaughey et al.
patent: 4061143 (1977-12-01), Ishikawa
patent: 4137917 (1979-02-01), Cohen

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