Safety syringe device with a needle bending device

Details Safety syringe device with a needle bending device Safety syringe device with a needle bending device

2003-04-15

2004-07-13

Casler, Brian L. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S192000, C604S197000, C128S919000

Reexamination Certificate

active

06761705

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to safety syringe device having a needle bending device which bends the needle after the syringe is used.
BACKGROUND OF THE INVENTION
A conventional hypodermic syringe is disclosed in
FIGS. 1 and 2
and generally barrel
80
with a plunger
82
movably received therein. A needle assembly
81
has a locking tip
812
which is secured to the connection port
801
of the barrel
80
and a needle
811
is connected to a needle hub on the locking tip
812
. The user may use two fingers to pull the finger flange
802
on the barrel
80
and push the plunger
82
toward the needle
811
to eject the medicine in the barrel
80
from the needle
811
. A cap
83
is used to be mounted to the locking tip
812
so as to cover the needle
811
such that the user is not hurt by the needle
811
. Nevertheless, the nurses are often hurt by the needles when re-capping the cap
83
and this makes the nurses under a tremendous risk of being affected by various types of diseases. Although there are safety syringe devices developed in the market, a complex mechanism is involved during retrieving the needles into the barrel after the process of injection is completed. In other words, those safety syringe devices are so expensive that only a small part of the hospitals afford then.
The present invention intends to provide a safety syringe device that includes a simple means which bends the needles after the injection is completed.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a safety syringe device which comprises a barrel with a plunger movably inserted therein and a needle assembly with a needle is connected to the connection port of the barrel. A tube has a first end and a second end which is fixedly connected to the first end of the barrel and the needle extends through the first end of the tube.
A sleeve is slidably mounted to the barrel and the tube. A cover is pivotably connected an edge of a first end of the sleeve and a part of the cover is biased to be stopped by in contact with the needle assembly when the sleeve is positioned in a ready position. The cover is pivoted to cover the first end of the sleeve when the sleeve is pulled away from the barrel and positioned at an operation position.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.

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