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Disposable syringe with retractable needle

A syringe, disposable technology for hypodermic injection devices, needles, devices introduced into the body, etc., which can solve the problems of expensive, difficult to use parts, complex structures, etc.

Inactive Publication Date: 2015-07-01
毛罗佩佩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these known disposable syringe types are of complex construction with a large number of parts which are expensive and difficult to use

Method used

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  • Disposable syringe with retractable needle
  • Disposable syringe with retractable needle
  • Disposable syringe with retractable needle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] A disposable syringe with a retractable needle described in the present invention, comprising a cylindrical body 1 , a plunger 2 fitted with a plurality of grooves 3 , a base 4 of the plunger 2 , and a head integral with a sealing gasket 6 / Support 5. The disposable syringe of the invention with a retractable needle also comprises a needle 7 and a neck 8 arranged at the upper terminal end of the cylindrical body 1 at the outlet of the needle 7 . More specifically, the needle 7 is provided with a support 9 having a plurality of fins 12 on its outer surface. Before using a disposable syringe with a retractable needle, due to the circular profile 14 of the support 9 inside the housing 10, the needle 7 is positioned inside the cylindrical body 1 and is screwed. The support 9 is hollow inside and has a perforated lower end 15 opposite the end from which the needle 7 exits.

[0022]Of fundamental importance for the purposes of the present invention is the other element inc...

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PUM

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Abstract

Disposable syringe with retractable needle comprising a cylindrical body (1), a plunger (2) with grooves (3) and base (4), a needle (7) supported by a support (9), a housing (10) adapted for inserting said support (9) and surrounded by a seal gasket (6) which is integral with a head / support (5) of the plunger (2), a neck (8) arranged at the upper end of the cylindrical body (1), and a separation element (1 1) adapted to make the needle (7) collapse inside the cylindrical body (1) after the use of the syringe.

Description

technical field [0001] The present invention relates to a novel disposable syringe. In particular, the present invention relates to disposable syringes with retractable needles, wherein the retraction of the needle takes place by a specific, characteristic feature of said invention so as to cause the needle to retract inside the syringe itself. Background technique [0002] Syringes are a well-known type of equipment widely used in the medical field. More specifically, the syringes contemplated today consist essentially of a hollow cylindrical body inside which a plunger slides sealingly. At one end of the hollow body there is an orifice; a hollow needle is connected to this orifice through which needle liquid is aspirated and / or injected. [0003] These syringes may have different capacities with reference to the intended use for the syringes. Typically, this volume varies from 0.5 ml to 100 ml and for this reason is present on the body of the syringe in ml. [0004] Un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/32
CPCA61M2005/3238A61M5/3234A61M5/3232A61M5/322A61B5/150267A61B5/150343A61B5/150534A61M5/3221A61M5/3276A61M2005/323
Inventor 毛罗·佩佩
Owner 毛罗佩佩