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Puncture-preventing indwelling needle

An indwelling needle and anti-needle stick technology, which is applied to needles, catheters, and instruments introduced into the body, etc., can solve problems such as bending and deformation of needle tubes, and achieve the effect of ensuring normal implementation.

Pending Publication Date: 2017-08-18
DRAGON HEART MEDICAL DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the needle tube of the anti-acupuncture indwelling needle in the prior art is easily deformed under the pressure of the blocking plate, so as to provide an anti-acupuncture indwelling needle that is not easy to bend and deform

Method used

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  • Puncture-preventing indwelling needle

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Embodiment Construction

[0043]The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

[0045] Such as figure 1 and figure 2 As shown, this embodiment provides a needlestick-proof indwelling needle, which includes a catheter hub 1, a needle hub 2, a needle tube 3 and a protection mechanism.

[0046] The needle base 2 is slidably fitted on the catheter base 1 .

[0047] The needle tube 3 is mo...

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Abstract

The invention provides a puncture-preventing indwelling needle. The puncture-preventing indwelling needle comprises a catheter base, a needle file, a needle tube and a protection mechanism, wherein the needle file sleeves the catheter base in a sliding manner; the needle tube is mounted to the needle file, and the needle point can penetrate through the catheter base; the protection mechanism is arranged between the catheter base and needle file, and is composed of a protection base and a protection plate mounted on the protection base, the protection base is provided with a protection base body allowing the needle tube to pass through, and an accommodating cavity for accommodating part of the needle tube is formed in the protection base body; the protection plate is provided with a protection plate body, a baffle plate accommodated in the accommodating cavity is formed at one end of the protection plate body, the baffle plate has the first state of pushing against the needle tube and a second state of sheltering the needle point, a support structure is arranged in the accommodating cavity, the support structure applies a supporting force to the needle tube, and the direction of the supporting force is opposite to that of the resisting force applied by the baffle plate. For the puncture-preventing indwelling needle, the support structure applies the supporting force to the needle tube, the direction of the supporting force is opposite to that of the resisting force applied by the baffle plate, so that the needle tube has small possibility of deformation under the pushing and pressing of the baffle plate.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an anti-acupuncture indwelling needle. Background technique [0002] At present, ordinary indwelling needles on the market do not have the anti-puncture function. After the puncture is completed and the needle tube is pulled out, the needle tip is exposed and it is easy to stab medical staff or other related personnel, causing cross-infection. In order to solve the problem that the exposed needle tip is easy to injure people after the puncture is completed, anti-acupuncture indwelling needles have appeared on the market. [0003] Existing anti-acupuncture indwelling needles usually include a catheter base, a needle base, a needle tube, a protection base and a spring sheet. The elastic baffle that blocks the needle tip. During the use of the anti-acupuncture indwelling needle, the elastic baffle is pressed against the needle tube and does not block the needle tip. When th...

Claims

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Application Information

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IPC IPC(8): A61M5/158
CPCA61M5/158A61M25/0618
Inventor 梁永基赵善铭黄永强
Owner DRAGON HEART MEDICAL DEVICES
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