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A portable intraosseous infusion set

A portable, infusion set technology, applied in the field of medical devices, can solve the problems of easy sliding of the infusion needle, easy occurrence of fractures, prolapse, etc., and achieve the effects of preventing fractures, not easy to fracture, and low impact energy

Inactive Publication Date: 2018-09-18
SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This utility model solves the problem that the infusion needle is easy to slide and fall out, but because the infusion needle is still in the impact mode, fractures at the puncture site are more likely to occur, and the thread structure cannot achieve a better effect

Method used

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  • A portable intraosseous infusion set
  • A portable intraosseous infusion set
  • A portable intraosseous infusion set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] like Image 6 A portable intraosseous infusion set shown is composed of a protective cover 1, a sleeve 2, a combined infusion needle 3, a rotating spring 4, and a locking device. The casing 2 is made of plastic material and has a cavity inside, which is mainly used to accommodate the rotary spring 4 and the combined infusion needle 3 . Sleeve 2 has an opening on one side of the infusion needle outlet, and a base 24 on the other side. There is a protective cover 1 at the opening. The function of the protective cover 1 is to protect the internal structure from contamination when the portable intraosseous infusion set is in use. A handle 23 is provided on the sleeve 2 for clamping.

[0040] like Figure 1~5As shown, the combined infusion needle 3 is composed of a puncture needle core 31 and a hollow infusion needle 32, all of which are made of medical high-strength alloy materials. For connection, the head end 312 of the puncture needle core is tapered; the head end 322...

Embodiment 2

[0043] A portable intraosseous infusion set, the rest of which are the same as in Embodiment 1. The sleeve 2 is divided into tubes and is divided into an upper sleeve 21 and a lower sleeve 22. The two sleeves are connected by threads, and the upper sleeve 21 is provided with The handle 23 accommodates the combined infusion needle 3 and the rotary spring 4 inside. The lower casing 22 is provided with a guide groove 25 and a limited depth valve, which is mainly composed of a regulator 71 , a baffle plate 72 and a buckle 73 . The depth limit valve is mainly based on the working principle of the utility knife handle. The external regulator 71 and the internal baffle 72 are connected through the guide groove 25. The position of the baffle 72 is adjusted by moving the regulator 71, and the buckle 73 is adjusted downward in the closed state. The machine 71 can move freely, and the adjuster 71 and the baffle 72 are fixed when pulled apart. The lower cannula 22 can also be used as a f...

Embodiment 3

[0045] A portable intraosseous infusion set, the rest of which is the same as that of Embodiment 1. There is an internal spline at the end 311 of the puncture needle core, and an external spline at the end 321 of the hollow infusion tube. The two are riveted together to prevent the hollow infusion needle 32 from being drilled Come off with the puncture needle core 31 during bone. Markings are engraved on the surface of the casing 2. When the puncture needle core 31 is combined with the hollow infusion tube 32, the puncture needle core head end 312 is 4mm longer than the hollow infusion needle end 322, so that the skin and soft tissue can be pierced until the bone surface when punctured, and it can be drilled into the cancellous bone as a drill bit The infusion needle establishes an intraosseous channel and at the same time prevents soft tissue from being embedded in the infusion needle and causing the needle hole to be blocked.

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Abstract

The invention relates to the technical field of medical instruments and discloses a portable intraosseous infusion apparatus used for quickly establishing fluid resuscitation passages in emergency treatment. The portable intraosseous infusion apparatus comprises a cannula with a handle, a base is arranged at the upper end of the cannula, and a combined infusion needle formed by sleeve connection of a puncture needle core and a hollow infusion needle is placed in the cannula. A rotating spring is arranged in the cannula, one end of the rotating spring is fixed onto the base, and the other end of the rotating spring is fixed onto a limiting connector connected with the upper portion of the tail end of the puncture needle core. The handle is provided with a through hole communicated with an inner cavity of the cannula, the surface of the limiting connector is provided with a clamping hole, and a limiting part penetrates the through hole to be inserted into the clamping hole in the limiting connector to limit displacement of the limiting connector connected with the rotating spring after rotary compression. By change of an original impact type needle inserting manner into a rotary ejection manner, low impact energy of punctured parts and less proneness to causing of fracture are realized; in addition, by preset of a thread for a tip end of the intraosseous infusion needle, the problems of slipping of the infusion needle, seepage of the parts punctured by the infusion needle and the like are reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a portable intraosseous infusion set for quickly establishing a fluid resuscitation channel during emergency rescue. Background technique [0002] There are mainly three ways of fluid resuscitation or drug infusion in clinical emergency rescue, including vein, artery and intraosseous infusion. Patients with traumatic hemorrhagic shock, severe dehydration, and severe dehydration in infants and young children. Such patients cannot quickly and effectively establish vascular emergency channels due to massive blood loss and fluid loss leading to venous collapse; in addition, severe edema, severe burns, and life-threatening In difficult situations such as epileptic seizures, shaking ambulances or helicopters, and dim light, intraosseous infusion has the advantages of simple operation, rapid and effective operation, and can establish an infusion channel in time, and apply rescue...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M31/00
Inventor 禹宝庆黄淦苏佳灿
Owner SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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