FIELD OF THE INVENTION

The present invention relates to an injection guide. More particularly, the present invention relates to an injection guide that provides the delivery process of intravenous, intramuscular, intradermal, subcutaneous etc more accurately and safely.

BACKGROUND OF THE INVENTION

Injections are administered in various angles. Intramuscular injection is administered at 90°, subcutaneous injection at 45°, intravenous injection administered at 20° and intradermal injection at 10 to15°.

Currently, what are the practices to determine these angles: i) At present injections angles are decided manually;

ii) Devices are available for insertion of Jelcos/scalp veins for administration of Intravenous (IV) fluids/transfusions. Other devices are available to hold syringe i.e. Infusion pumps for intravenous infusion of micro-dose or IV fluids;

iii) charts/Figures of various angles of administration of injections are available.

Many times errors in administration of injections were noted by health care professionals and as a result patient suffers from the complications which sometimes very severe and even in the case, the death might be happened due to this error.

PRIOR ART

US3063449 discloses a syringe holder for supporting a syringe in a desired position such as an inclined position or location. According to US’449’ the syringe can be moved from the remote location so a medical professional will be protected from a harmful drug. US’449’ may be effective for intravenous process only. Also, the mechanism of US’449’ is electrically operated. Further, overall process of the administration is costlier.

US4332248 discloses an apparatus or guide to aid in inserting the needle of syringes and the like into body conduits such as veins. The apparatus includes a pair of

i members which are placed on the opposite sides of a vein, parallel to the longitudinal axis thereof, thereby preventing lateral movement of the vein while it is being pierced by the needle. A guide of US’248’ is provided to aid in inserting the needle to the desired depth. US’248’ is silent how the device is effective for other route of administration such as intramuscular, subcutaneous and intradermal process.

US2008/0269671 relates to a volume-adjustable micro-injection device. The device includes a base structure having a syringe positioning structure and a grip, in which the syringe positioning structure can flexibly accommodate injection syringes with different volumes; a holding structure capable of flexibly adjusting an injection angle of syringe content for easier operation; a qualitative controller capable of accurately controlling injection volume; a pressure pushing structure to hold and push a plunger; an injection controller interlinked with the qualitative controller and the pressure pushing structure; and an eject structure facilitating the operation and replacement of injection syringes. US‘67T states in abstract that “In contrast to conventional structures, the present invention provides advantages that control injection volume more accurately, address better injection angle control, allow for the syringe contents to be free from air exposure, require no special syringes, and allow for single-handed replacement of the injection syringe”. However, how such better angle control is done is not disclosed in US’671’. Also, US’248’ is silent on how the device is effective for other route of administration such as intramuscular, subcutaneous and intradermal process. Further, the mechanism of US’871’ is electrically operated and overall process of the administration is costlier.

US2007/0232999 relates to an artery stabilizer device, with a slide over which a technician can guide a syringe, is provided for restraining a targeted artery while the technician inserts the needle of the syringe into the artery. A pair of stabilizer fingers holds the artery in place while the syringe is maneuvered over the slide of a shaft which is connected to a base above the stabilizer fingers. US’999’ discloses a finger-hold platform emanates from the bottom of the shaft, and a gauze dressing member with a gauze pad is removably attached to the bottom of the platform, allowing the technician to quickly apply a dressing over the wound created by the needle insertion procedure. An artery stabilizer adjustment track allows the technician to alter the width between each stabilizer finger. US’999’ is silent on how the device is effective for other route of administration such as intramuscular, subcutaneous and intradermal process.

US2012/0000571 discloses a holding devices and methods for using the same. The holding device configured to hold a container having a dose or multiple doses of a liquid medicine with a needie-piercab!e cap. The holding device includes a holder for the container, a base, and an angular adjustment linkage between the base and the holder. Another aspect of the invention provides a method of loading a syringe with a liquid medicament held in a container. The method includes: providing a holding device including a holder for the container, a base, and an angular adjustment linkage between the base and the holder; placing the holding device on a surface; placing the container into the holder; and using two hands to draw the liquid medicament from the container into the syringe. The purpose of US’57T is to hold the vial only, not to administer into any route of injection

W02009047512 discloses an intravenous injection guide and a method of using such a guide which comprising a supporting base frame and one or more guider arms connected to the base frame whereby the guider arm or arms can be used so as to engage with a protrusion from a transfusion set in such a way that the contour of the guider arm or arms helps guide the trajectory of the transfusion needle into the vein of the patient during the act by a user of attempting veni-puncture access for medicinal infusion or blood sampling. It is basically a guiding apparatus for winged type infusion set where the needle of the latter can be assisted to follow a fixed or adjustable or feel enhanced injection tranjectory path aided by guide thus enabling IV process made easier safe. The apparatus assists only for insertion of shaft of venous accesses needles/iv cannulas to superficial and deeper veins, not helps for vein identification/stabilization. The prior art doesn’t point how to pierce the vein at 20° (which is the exact angle for intravenous injection) to give single dose of IV injection by simple manner i.e. injection needle attached with syringe. Also, WO’512’ is winged type infusion set to which an additional syringe can be attached to give IV injection. The process is therefore is not cost-effective. Further, WO’512’ is required transfusion set in conjunction with the specially G-transfusion set (wing type transfusion set) to locate the injection site. WO’512’ is silent on how the device is effective for other route of administration such as intramuscular, subcutaneous and intradermal process.

Prior art findings limited to intravenous process only. Existing devices are not accurate and safe for other route of injection such as intramuscular, subcutaneous and intradermal with addition to intravenous process as there is no provision of determining the exact angle for the injection. Further, the existing devices are electrically operated and costlier in view of construction and overall mode of the treatment.

Accordingly, there is a need to provide an injection guide that could facilitate to determine the exact angle of an injection includes intravenous, intramuscular, subcutaneous and intradermal process.

OBJECT OF THE INVENTION

It is an objective of the invention is to overcome the aforesaid drawbacks and accordingly provide an injection guide.

It is another objective of the invention is to provide an injection guide that provides the delivery process of intravenous, intramuscular, intradermal, subcutaneous more accurately and safely.

It is yet another objective of the invention is to provide an injection guide which facilities intravenous process without use of jelcos/scalpel.

It is yet another objective of the invention is to provide a manually operated injection guide.

It is yet another objective of the invention is to provide injection process that can be carried out accurately with single needle.

It is yet another objective of the invention is to provide an injection guide which can be operated without any uncertainty and fear.

It is yet another objective of the invention is to provide an injection guide which can be operated by one who is under healthcare training. It is yet another objective of the invention is to provide a cost effective injection process.

It is further objective of the invention is to provide an easy to handle injection guide.

SUMMARY OF THE INVENTION

There is provided an injection guide comprises a holder (1 ) being cylindrical shape, said holder is having a provision for insertion of a syringe; a base frame (6) means to support for the syringe holder; primary angle unit (2) and secondary angle unit (4), said units having a predetermined degree of angle varying from 10° to 90°; a primary pointer (3) and a secondary pointer (5);the primary pointer and the secondary pointer being connected to primary angle unit (2) and secondary angle unit (4) respectively; a slit (7) being oval shape means to insert the needle; said slit being centrally placed in the said injection guide; wherein the syringe holder (1 ) being fixed to the primary unit system (2,3) or the secondary unit system (4, 5) such that the needle of the syringe can attain an angle varying from 10° to 90°; wherein length of the syringe holder is 46.92mm.

In accordance with these and other objects which will become apparent hereinafter, the instant invention will now be described with particular reference to the accompanying drawing. BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS

Figure 1 a and 1 b illustrates an injection guide in accordance with present invention;

Figure 2 illustrates a cylindrical shape of syringe holder in accordance with present invention;

Figure 3 illustrates the oval slit in accordance with present invention;

Figure 4 illustrates a side view (4a) and front view (4b) of the device in accordance with present invention; &

Other objects, features and advantages of the inventions will be apparent from the following detailed description in conjunction with the accompanying drawings of the inventions.

DETAILED DESCRIPTION OF THE INVENTION

Present invention provides an injection guide for safe and accurate delivery process of the drug through the route selected from intravenous, intramuscular, intradermal and subcutaneous.

Referring now to Figure 1 (a & b), the injection guide according to present invention consists of: a syringe holder (1 ); a primary angle unit (2); a primary pointer (3); a secondary angle unit (4): a secondary pointer (5); a base (6); a central slit (7); a screw (8); a nut (9); a stopper (10);

Syringe holder:

The syringe holder (1 ) according to present invention is cylindrical shape (Figure 2) in which there is a provision of insertion of a syringe of 1 cc (for 1 ml_), 2cc (for 2ml_), 5cc (for 5ml_) and 10cc (for 10ml_) which is as per the need. The internal and external diameter of the syringe holder is as per the width of the syringe. The length of the syringe holder according to present invention is so as to adjust the syringe to get the desired angle for the injection. The critical length of the syringe holder according to present invention is 46.96mm.

Base:

The present invention includes a base (6) for stability while the injection is administered. The length of base according to present invention is as per the type of injection. In preferred embodiment, the length of the base is 26.83-54.5mm while the width is 16- 28.8mm.

Primary and secondary angle unit:

According to present invention, left side on the base, there is primary angle unit (2) which presents a chart of 15°, 45° and 90°. One could select 45° for subcutaneous injection and 90° for intramuscular injection. The primary pointer (3) on the primary angle chart shows the current degree on chart.

On the other hand, at right side on the base, there is secondary angle unit (4) which presents a chart of 10° divisions up to 90°. One could select 10°-15° for intradermal injection and 20° for intravenous injection. The secondary pointer (5) on the secondary angle chart shows the current degree on chart. Primary angle unit along with primary pointer and secondary angle unit along with secondary here is primary unit system and secondary unit system respectively. Other components:

The present invention also comprises an oval slit (7) which is centrally located in the design [Figure 3] means to insert the needle into the skin layer. The width of the slit is 4mm while the length is 45mm. The present device includes a screw with nut to attach syringe holder to the angle charts such as herein described. The present invention also includes a stopper to limit the injection holder to move above 90°. The syringe holder, the base and the other major components as used in the said injection guider is made of plastic known in art.

As shown in Figure 4a and 4b, the present inventor illustrates a side view and front view respectively of the device

Now, the invention is illustrated by non-limiting examples:

Example 1 :

Injection guide for subcutaneous injection:

Insulin injection (1 cc syringe along with needle, 1 ml_ dose) through subcutaneous route (45° as standard angle) was performed on diabetic patient at Krishna Institute of Nursing Sciences and Krishna Hospital, Karad wherein i) Syringe holder:

Length of the syringe holder: 25mm, 35mm, 46.92mm and 55mm External diameter of the syringe holder: 10mm Internal diameter of the syringe holder: 7mm ii) Base:

Length of the base: 26.83mm Width of the base: 16mm iii) Primary and secondary unit angle along with pointer and other component as above For intravenous (20° angle), intramuscular (90° angle) and intradermal (10° angle) injection, except length of the syringe holder, the dimension of other components was varied and it was selected as per the type of the injection.

Table 1 : Observation (Relation between length of the syringe holder and angle of the injection)

Accordingly, the present inventor concludes that not only primary and secondary angle unit of the device but also length of the syringe holder is critical in order to achieve the desired angle for the injection. Although the foregoing description of the present invention has been shown and described with reference to particular embodiments and applications thereof, it has been presented for purposes of illustration and description and is not intended to be exhaustive or to limit the invention to the particular embodiments and applications disclosed. It will be apparent to those having ordinary skill in the art that a number of changes, modifications, variations, or alterations to the invention as described herein may be made, none of which depart from the spirit or scope of the present invention. The particular embodiments and applications were chosen and described to provide the best illustration of the principles of the invention and its practical application to thereby enable one of ordinary skill in the art to utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. All such changes, modifications, variations, and alterations should therefore be seen as being within the scope of the present invention as determined by the appended claims when interpreted in accordance with the breadth to which they are fairly, legally, and equitably entitled.