Title:
INCREMENTALLY ADJUSTABLE DOSE SYRINGE
Document Type and Number:
WIPO Patent Application WO1999007421
Kind Code:
A1
Abstract:
This invention is a syringe for controlling the amount of material or medical fluid in a syringe body (12) which is expelled therefrom upon depression of a plunger (28) in the syringe body (12). The syringe includes a syringe body (12) having a chamber (22), a discharge end portion (14), and an open opposite end portion, with a plunger received in the syringe body. A measuring ring (44) having an inner thread (48) in mesh with an outer thread (62, 64, 66, 68) on the plunger (28), with latch means for setting and holding the measuring ring (48) and plunger (28), and thus permit an exact volume to be expelled from said chamber (22).
Inventors:
ANDERSON MARK L (US)
Application Number:
PCT/US1997/014135
Publication Date:
February 18, 1999
Filing Date:
August 08, 1997
Export Citation:
Assignee:
GENESIS IND INC (US)
ANDERSON MARK L (US)
ANDERSON MARK L (US)
International Classes:
A61M5/315; (IPC1-7): A61M5/00
Foreign References:
| US5344409A | 1994-09-06 | |||
| US4275729A | 1981-06-30 | |||
| US3563240A | 1971-02-16 | |||
| US4874385A | 1989-10-17 | |||
| US5385558A | 1995-01-31 |
Other References:
See also references of EP 1009453A4
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