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Portable device for delivering medicaments and the like

a portable device and medicament technology, applied in the direction of intravenous devices, other medical devices, infusion syringes, etc., can solve the problems of difficult scaling down to fit within a portable device, and achieve the effect of avoiding discomfort or irritation, and reducing the noise of the operation of the injection devi

Inactive Publication Date: 2008-06-05
TEAM HLDG UK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The device provides consistent and accurate delivery of medicaments with controlled power output, reducing noise and ensuring effective penetration without excessive depth, suitable for human and animal subjects, including livestock.

Problems solved by technology

Indeed there are many reasons why the selection of an internal combustion engine to provide the motive force would not have been considered by the person skilled in the art of designing medicament delivery devices since most internal combustion engines are rather large, and heavy, and so are difficult to scale down to fit within a portable device.

Method used

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  • Portable device for delivering medicaments and the like
  • Portable device for delivering medicaments and the like
  • Portable device for delivering medicaments and the like

Examples

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Embodiment Construction

[0048]FIGS. 1A, 1B and 1C illustrate three components of one embodiment of an injector device in accordance with the invention. The injector comprises a device in accordance with the first and second aspects of the invention. FIG. 1A shows the injector assembly, FIG. 1B shows the fuel reservoir, and FIG. 1C shows the fuel dosing assembly.

[0049]Referring to FIG. 1A, an injector assembly comprises a body 2 comprising a cylinder 4, a piston 6 located within the cylinder 4, and a cylinder head 8. A combustion chamber 10 is defined by the inner surfaces of the cylinder 4, piston 6 and cylinder head 8. The combustion chamber 10 is provided with means for forming a combustible fuel / air mixture, comprising fuel inlet (not shown), air inlet 14, and exhaust valve 12. The combustion chamber 10 is also provided with ignition means, comprising spark plug 16. The injector assembly is additionally provided with priming means 18, which provides for compression of the fuel / air mixture in the combust...

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Abstract

Disclosed is a portable device for delivering a medicament or the like into the body of a human or animal subject, the device comprising: a medicament compartment containing the medicament or the like to be delivered; delivery means comprising an orifice through which the medicament or the like is expelled from the device; and an internal combustion engine which provides the motive force by which the medicament is expelled from the device.

Description

RELATED APPLICATION[0001]This application is a continuation of U.S. patent application Ser. No. 10 / 048,294, filed Feb. 12, 2003, now U.S. Pat. No. ______, which is the national filing of international application number PCT / GB01 / 02227 filed May 21, 2001, with a priority of British application number 0012165.7 filed May 20, 2000.FIELD OF THE INVENTION[0002]This invention relates to a portable device for delivering medicaments and the like.BACKGROUND OF THE INVENTION[0003]The internal combustion engine and its principles of operation are of course well-known. It is also known to produce a portable tool with a small internal combustion engine. Such a tool, for fixing fasteners to a workpiece, is disclosed in EP 0 316 468, U.S. Pat. No. 4,483,474 and U.S. Pat. No. 4,522,162.[0004]EP 0 316 468 describes in detail the construction and operation of a fastener tool equipped with a combustion chamber, into which is introduced a fuel / air mixture, combustion of which (ignited by a spark) drive...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61M5/142A61M5/20A61M5/30A61M5/31A61M5/48
CPCA61M5/2046A61M2005/3123A61M5/482A61M5/30
Inventor CHIWANGA, STATES GWINYAIFIELDER, TERENCE GEORGEFRY, ANDREW ROBERT
Owner TEAM HLDG UK
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