IV duct intubator with retraction needle

An intubator and catheter technology, applied to catheters, devices introduced into the body, needles, etc., can solve problems such as sensory disturbance, increase manufacturing costs, etc., and achieve the effects of avoiding accidental stab wounds, reducing costs, and achieving significant economic benefits.

Inactive Publication Date: 2008-11-19
RETRACTABLE TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many prior art devices contain many complex parts that add significantly to manufacturing costs and interfere with the user's ability to feel when the needle is properly inserted into the patient
Other devices require two-handed operation and are prone to premature needle retraction during transport, storage and handling

Method used

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  • IV duct intubator with retraction needle
  • IV duct intubator with retraction needle
  • IV duct intubator with retraction needle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Referring to FIGS. 1-2 , IV catheter introducer 10 preferably includes a tubular plastic housing 12 , needle retainer assembly 14 , retraction spring 16 , plunger assembly 18 and IV catheter 20 . The plastic housing 12 has an inner bore 22 that tapers between a wide open end 24 and a reduced diameter end 26 except for a short distance below the inwardly projecting annular ring 102 as described below. . The plastic housing 12 is preferably injection molded from a substantially transparent polymeric resin, such as polycarbonate, to allow easy viewing through the side walls 28 . The outer diameter of the housing 12 generally follows the tapering shape of the inner bore 22, so that the sidewall 28 has a substantially equal thickness except where it flares out to form the laterally extending wings 30, and provides a more proximal end. 30 is a series of longitudinally spaced annular projections 31 to create a textured grip area for the user's fingers to grip.

[0016] Needl...

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PUM

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Abstract

The invention discloses an IV conduit tube inserter with a retractable needle remaining part and a tubular plunger, the needle remaining part and the plunger are kept into an optimum positioning relation by a braking structure before a conduit tube is inserted and during the inserting period. After the conduit tube is inserted, the plunger is pushed, to ensure that a compression spring drives the needle remaining part to upwardly enter the plunge through the braking structure. An aeration end cover in the plunger is allowed to quickly discharge movable air during the retractable period of the needle remaining part. The needle remaining part comprises a displaying chamber which can be easily observed through a transparent plastic casing body. An alar part is arranged on the casing body, for facilitating the operation of the device with a hand. The invention also discloses a method for assembling the conduit tube inserter.

Description

[0001] The applicant of this application is Retractable Technology Co., Ltd., the international filing date is November 27, 2002, the application number is 02829124.7 (the international application number is PCT / / US2002 / 033034), and the title is "with retractable needle Divisional application of the invention patent application for "IV Catheter Introducer". technical field [0002] The present invention is a medical device for inserting a catheter into a patient's body, especially for intravenous delivery of a fluid. More specifically, the present invention is a catheter introducer with a retractable needle that prevents reuse and avoids needle stick injuries to medical personnel and others. Background technique [0003] Catheter insertion devices are well known. When inserting a catheter into a patient for intravenous delivery of fluids, a vein is punctured with a disposable needle passed through the catheter to allow the catheter to enter. The needle is then withdrawn, l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/06A61M5/32
CPCA61M25/0606A61M5/3232A61M25/0631
Inventor T·J·肖J·朱
Owner RETRACTABLE TECH INC
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