Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2000-06-15
2003-08-12
Robinson, Daniel (Department: 3742)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
Reexamination Certificate
active
06605065
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a syringe for self injection which can be handled with one hand without slipping.
2. Description Relative to the Prior Art
Millions of people in the United States alone have medical conditions which require self-injection of one or more medications on a regular basis. Diabetes, for instance, is a common disease which requires sufferers to inject themselves with insulin one or more times each day.
The prior art syringe, shown in
FIG. 3
, is held with the fingers of one hand, with the first and second fingers grasping the handles
12
, while the thumb depresses the injection button
19
. The user may or may not grasp the barrel
14
with his free hand, to guide the needle
16
into the injection site.
Recently a number of high-technology syringes have been introduced to make the process of self-injection easier to manage. Eli Lilly and Company, of Indianapolis, Ind., has introduced the “insulin pen”, shown in
FIG. 1
, which has the outward appearance of a fountain pen, with a removable swivel cap
2
, and a clip
5
to attach to a pocket. Referring to
FIG. 4
, when the cap is removed, the insulin pen contains an insulin cartridge
32
, within a cartridge holder
34
, containing enough insulin for many injections. The number of doses remaining is shown in the dose window
28
. Referring to
FIG. 2
, the user holds the pen in one hand with his hand wrapped about the upper barrel
12
, and depresses the injection button
20
with the thumb. The dose is changed by means of the dose knob
22
. The notches
24
,
26
, are used to align the dose knob when changing the dose.
The insulin pen has one disadvantage, however: the user, when attempting to manuever the pen with one hand, finds the barrel is slippery, and therefore awkward to manage. The current invention solves this problem by means of non-slip material strategically placed.
SUMMARY OF THE INVENTION
It is an object of this invention to provide a self-injection syringe which can be easily managed with one hand.
According to one aspect of the invention, the self-injection syringe includes an injection button, a syringe body;a needle, and a non-slip surface attached to the syringe body.
According to a second aspect of the invention, the non-slip surface is formed from a hook-and-eye fastener material, attached to the body with an adhesive.
According to a third aspect of the invention, the non-slip surface is confined to a narrow strip disposed lengthwise along the syringe body.
According to a fourth aspect of the invention, the syringe body further includes a cartridge holder, and a cartridge containing enough medication for many different injections.
According to a final aspect of the invention, the syringe is in the form of a pen, which contains a removable cap and pocket clip.
REFERENCES:
patent: 3787898 (1974-01-01), Walker
patent: 4968302 (1990-11-01), Schluter et al.
patent: 4994046 (1991-02-01), Wesson et al.
patent: 5286258 (1994-02-01), Haber et al.
patent: 5665071 (1997-09-01), Wyrick
patent: 5794767 (1998-08-01), Wilson
Robinson Daniel
White Mark P.
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