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Device for facilitating intravenous needle insertion or cannulation with vacuum generation means and tourniquet fastener

A technology of fasteners and cuffs, applied in tourniquets, medical devices, hypodermic injection devices, etc., can solve the problems of inconvenient use of decompression equipment and cuffs, high manufacturing costs, achieve good sealing, reduce possibility, increase the effect of expansion

Active Publication Date: 2014-07-02
OLBERON MEDICAL INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The downside of this type of device is that it is more expensive to manufacture than a simple cuff
In addition, the use of a pressure relief device with a cuff can be inconvenient, especially if the pressure relief device remains in place during needle or cannula insertion

Method used

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  • Device for facilitating intravenous needle insertion or cannulation with vacuum generation means and tourniquet fastener
  • Device for facilitating intravenous needle insertion or cannulation with vacuum generation means and tourniquet fastener
  • Device for facilitating intravenous needle insertion or cannulation with vacuum generation means and tourniquet fastener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] Figure 1 to Figure 9 A device according to the invention is shown, generally referenced 10 . Device 10 includes a decompression portion 20 and a tourniquet 30 .

[0046] The device 10 is formed as a single piece of elastically deformable material by injection moulding. In particular, device 10 is injection molded from a thermoplastic elastomer (TPE) having a hardness of about 60-70 Shore A.

[0047] The length of the decompression part 20 is about 5-10 cm, and the width is about 5-6 cm. The decompression portion 20 includes a housing 24 in the form of a slightly elongated dome and a peripheral flange 27 . The flange 27 has a reduced thickness relative to the walls of the housing 24 and is thus more flexible than the housing 24, facilitating the formation of a seal between the reduced pressure portion 20 and the patient's skin surface in use.

[0048] The flange 27 includes an enlargement 25 located at the front of the device, intended to be the end of the decompres...

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PUM

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Abstract

A device (10) is provided for facilitating insertion of a needle or a cannula into a vein of a patient. The device comprises a fluid chamber (23) adapted to be held in operable engagement with a surface of the patient's skin by a fastener (30 / 34 / 35) that extends about a limb of the patient. The device is adapted to create a volume of reduced pressure within the fluid chamber, so as to facilitate expansion of an underlying part of the vein. The device enables insertion of a needle or cannula into the expanded part of the vein, whilst the fluid chamber remains operably engaged with the surface of a patient's skin.

Description

technical field [0001] The present invention relates to intravenous needle or cannula insertion, and more particularly to a device for facilitating insertion of a needle or cannula into a patient's vein. Background technique [0002] Intravenous cannulation is a common medical technique used to draw blood from a patient or to administer intravenous drugs. Before performing venous cannulation, the vein must be prepared. This preparation involves applying a cuff around the part of the patient's body containing the vein (but at a location downstream of the cannula insertion site). The pressure exerted by the cuff locally dilates the vein, thereby locally dilating the vein with venous blood. Also, the device can be used to reduce the air pressure on the surface of the skin, which further dilates the veins with venous blood. A cannula can then be inserted into the dilated portion of the vein. [0003] The downside of this type of device is that it is more expensive to manufac...

Claims

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Application Information

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IPC IPC(8): A61M5/42A61B17/132
CPCA61M5/425A61B17/1322A61M2209/088A61M2210/08
Inventor 阿拉什·巴克特亚里·内贾德·埃斯法哈尼约翰·劳伦斯·艾尔特里普
Owner OLBERON MEDICAL INNOVATION
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