Parenteral injection apparatus
Inventors
Contreras, Andrew D. • Pursel, Mark W. • Hoffer, Joseph B.
Assignees
Action Medical Technologies LLC
Publication Number
US-11759576-B2
Publication Date
2023-09-19
Expiration Date
2041-06-07
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Abstract
The disclosure relates to a parenteral injection apparatus that guides a needle of an injector into a target site to deliver medicaments and other fluids.
Core Innovation
The invention provides a parenteral injection apparatus designed to guide a needle of an injector into a target site to deliver medicaments and other fluids. The apparatus includes a syringe housed within a rotatable sleeve, which is coupled to a housing. The sleeve features an arm that allows rotational movement within the housing, thus guiding the needle to the desired angle and depth for injection.
The problem addressed by this invention is the difficulty in accurately inserting needles at correct angles and positions when delivering injections such as intradermal, subcutaneous, intramuscular, or other specialty injections. Conventional methods rely heavily on the administrator’s skill to judge the angle, often requiring reinsertion if performed incorrectly. This may lead to multiple needle insertions and complications.
The solution presented involves a housing with a protruded member extending from a planar surface, where the sleeve holding the syringe can rotate and lock into pre-set positions determined by recesses. These structural features enable the apparatus to facilitate precise needle placement at user-defined angles. Additionally, the housing contact portion helps secure and prepare the skin surface without manual stretching, further assisting accurate administration.
Claims Coverage
The patent contains two independent claims outlining the principal inventive features of the injection apparatus.
Rotatable sleeve with guiding arm coupled to housing with recessed hollow
An injection apparatus comprising: - A syringe housed within a sleeve, the syringe including a barrel, needle, plunger, and seal. - A housing featuring a protruded member extending from a planar member, the protruded member having a cavity sized to receive the sleeve. - The sleeve has an arm extending from it, which is coupled to the housing so that the sleeve can rotate within the housing to guide the needle to a target site. - At least one side wall of the protruded member has a hollow sized to receive a rotation button disposed on a distal end of the sleeve arm, with rotatable coupling achieved by positioning the rotation button inside the hollow. - The hollow includes one or more rotation recesses sized to receive a detent on the rotation button; the position of each recess corresponds to an insertion position of the sleeve.
Injection apparatus with rotatable sleeve for guiding syringe needle
An injection apparatus comprising: - A housing with a protruded member that extends from a planar member, the protruded member containing a cavity sized to receive a sleeve. - The sleeve is configured to receive a syringe and has an arm extending from it, and is rotatably coupled to the housing so the sleeve can be rotated within the housing to guide the syringe needle to a target site. - At least one wall of the protruded member contains a hollow sized for a rotation button on the arm, enabling rotational coupling of the sleeve and housing. - The hollow incorporates one or more rotation recesses to receive a detent protruding from the rotation button; each rotation recess’s position defines an insertion position of the sleeve.
The inventive features center on a sleeve and housing combination that enables precise rotation and positioning of an injection device, ensuring accurate guidance of the needle to the target site via mechanical features that determine insertion angle and position.
Stated Advantages
Enables accurate guidance of a needle of an injector into a target site for medicament or fluid delivery.
Eliminates the need for manual skin stretching during injection, as the apparatus provides a flat and safe surface for injection.
Facilitates insertion of the needle at predetermined angles, improving the reliability of injections such as intradermal and subcutaneous injections.
Reduces the likelihood of having to reinsert the needle due to incorrect angle insertion.
Documented Applications
Injection of medicaments and other fluids at a variety of depths, including epidermis, dermis, subcutaneous region, muscle (intramuscular), intravenous, intraosseous, and ocular injections.
Facilitates accurate intradermal and subcutaneous injections by providing angle guidance.
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