CN2768798Y - Infant intrabone infusion device - Google Patents

Abstract

The utility model relates to an infant bone inner infusion device which belongs to the medical infusion device technique, and the infant bone inner infusion device comprises a puncture needle, a fixing sheath and a handle, wherein a thin screw thread is arranged outside a needle body of the puncture needle. The stability of the infusion device is increased, and the infant bone inner infusion device can not slide in the infusion. The fixing sheath is convenient for fixing a puncture point by medical care people in the puncture process and can cause the puncture needle to straight enter the bone when the fixing sheath is combined with the handle. The handle is marked with scales and can control the needling depth, and the inner diameter of the fixing sheath is greater than the maximum outer diameter of the puncture needle. Therefore, the fixing sheath can be conveniently arranged and taken out. A sheath pipe and a needle core of the infusion device are made of high-strength alloy material, and the high-strength alloy material can avoid the phenomenon of the needle being broken in the process of salvaging and the medical negligence because of bad material. Therefore, the infant bone inner infusion device has the advantages of simple structure, convenient use, safety, etc.

Description

Children's's intraosseous infusion device

Technical field

This utility model belongs to medical infusion utensil technology, is used for the transfusion device of children's's intraosseous infusion when relating to a kind of the rescue, and neonate or child especially for before 3 years old can carry out the administration fluid infusion quickly and easily.

Background technology

Though the venous cannulation technology has been widely used in and has given emergency treatment to a patient, because some neonate and child's vein is tiny, skin fat is thicker, is difficult to set up venous access.Particularly when first aid,, make neonate, child's mortality rate increase because can't carry out administration fluid infusion timely and effectively.Therefore, press for the utensil of administration fluid infusion in a kind of bone timely and effectively at present.

Intraosseous infusion mechanism changes relevant with internal anatomy with the osseous tissue growth.Its mechanism comprises two aspects: 1, the blood sinus in the bone marrow has very big permeability, and this can guarantee that the liquid that enters in the bone incorporates the blood circulation passage rapidly; 2, bone angular vein passage still keeps opening to a certain degree when the body peripheral vein subsides, and can take away the liquid that covers rapidly.Therefore, intraosseous infusion and administration have its anatomic basis and theoretical foundation.

At present, though have some intraosseous infusion devices to be used for neonate and child's rescue, all there is certain problem abroad.1, in the process of intraosseous infusion, because the fixing structural design of transfusion device not, so if intraosseous infusion device indwelling time is long and touch transfusion device accidentally and all may cause transfusion part sepage to occur or the phenomenon that transfusion needle slides occurs.2, general intraosseous infusion device does not usually have scale, and medical personnel often have transfusion device puncture situation not in place to take place to children's's the bad grasp of the bone marrow aspiration degree of depth, have incured loss through delay rescue opportunity.More than listed deficiency had a strong impact on the popularization and the use of intraosseous infusion device, therefore press for a kind of intraosseous infusion device that is applicable to neonate or child that can address the above problem at present.

Summary of the invention

The purpose of this utility model is the problems referred to above that exist at existing intraosseous infusion device, provides a kind of easy to use, intraosseous injection effect really, fixedly the transfusion device body makes it difficult slip, can grasp children's's intraosseous infusion device of inserting needle yardstick again.

The purpose of this utility model is achieved in that

A kind of children's's intraosseous infusion device, it comprises puncture needle, fixed cover and handle three parts.Puncture needle is connected and fixed by the interface that has on syringe needle part and the handle.Fixed cover is the cover tubular, internal diameter is big slightly than intraosseous infusion device handle external diameter, the complete opening of one end, connect puncture needle one end from handle and entangle a handle part, hold handle just, the incomplete opening of the other end, middle porose, the aperture allows that greater than the external diameter of puncture needle integral body puncture needle passes through fully easily, can after puncture finishes fixed cover be removed easily.The needle body part is more similar to general marrow puncture needle, form by sleeve pipe and nook closing member, be with general marrow puncture needle difference: on sleeve pipe, enter the intravital part of patient, thinner screw thread is arranged, its objective is the frictional force that increases puncture needle and diaphysis and soft tissue, prevent transfusion device slip or liquid and ooze out.

Be carved with scale on this external transfusion device handle, fixed cover cover oral area can draw the degree of depth that enters of puncture needle when beginning by inserting needle with respect to the real-time scale value of handle with respect to the start index value of handle and the fixed cover cover oral area after the puncture.

In addition, puncture needle is the high-strength alloy pin, configurable many of puncture needle, and caliber has multiple model, adopts the puncture needle of different tube diameters at the patient of all ages and classes.

Because this utility model has adopted above structure, especially the helicitic texture of puncture needle needle body part, fixed cover, handle and the design of handle scale makes this children's's intraosseous infusion device effectively set up bone marrow infusion channel and transfusion device subsequently at short notice and stablizes the aspect and show particularly outstandingly.The puncture needle of this intraosseous infusion device is that high-strength alloy is made, and different calibers is arranged, and selects suitable intraosseous infusion device just can avoid occurring in the rescue process broken needle phenomenon.After puncturing successfully the nook closing member of puncture needle pulled out and to connect syringe easily or tube for transfusion carries out fluid infusion or administration.As seen, the utlity model has characteristics simple in structure, easy to use.

Description of drawings

Fig. 1 is the overall schematic of children's's intraosseous infusion device;

In the above-mentioned diagram: 1, puncture needle 11, sleeve pipe 12, nook closing member 2, fixed cover 3, handle 4, fine thread 5, scale 6, concave structure, 7, hole

The specific embodiment

Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof:

See also Fig. 1, this utility model is made up of puncture needle 1, fixed cover 2 and handle 3 three parts.The needle body part is more similar to general marrow puncture needle, is made up of sleeve pipe 11 and nook closing member 12, adopts high-strength alloy to make, and can have multiple caliber different model, has increased fine thread 4 at sleeve surface, and purpose is the frictional force when increasing puncture.Intraosseous infusion device handle 3 is the entity of a near cylindrical, wherein an end has a concave structure 6, among the figure dotted line square shown in, handle interface for puncture needle, the syringe needle of this interface and puncture needle partly fits like a glove, can by the puncture needle syringe needle partly is stuck in reach easily in the concave structure puncture, rotation and fixed purpose.Fixed cover 2 is sleeve-shaped, and the complete opening of an end connects puncture needle one end from handle and entangles a handle part, and its internal diameter greater than the external diameter of handle 3, can hold handle approximately just.The incomplete opening of the other end of fixed cover 2, middle porose 7, the aperture allows that greater than the external diameter of puncture needle integral body puncture needle 1 passes through fully easily, rely on like this fixed cover can with puncture needle straight through in patient's bone, and make it when puncture, can not slide.In addition, on the transfusion device handle, be carved with scale 5,, can show depth of needle by the cooperation of fixed cover 2.

When using this utility model, the adept handle of hands 3 tops are fixed on the site of puncture that can carry out intraosseous infusion with an end of fixed cover 2, then firmly down by and turning handle 3 puncture needle 1 is thrust in patient's bone.Because scale 5 is arranged on handle 3, so can be according to patient age size and inserting needle position control yardstick.Take off handle 3 and fixed cover 2 after finishing piercing process, transfusion device puncture needle nook closing member 12 is pulled out, just can infuse or administration.

Claims (3)

1. children's's intraosseous infusion device, it is characterized in that: it is made up of puncture needle, fixed cover and handle three parts; Puncture needle is connected and fixed by the interface that has on syringe needle part and the handle, and the complete opening of fixed cover one end connects puncture needle one end from handle and entangles a handle part, the incomplete opening of the fixed cover other end, middle porose, the little external diameter greater than puncture needle integral body in aperture holds puncture needle and passes; Described puncture needle is made of sleeve pipe and nook closing member, and sleeve pipe has fine thread outward.

2. children's's intraosseous infusion device according to claim 1, it is characterized in that: handle is marked with scale.

3. children's's intraosseous infusion device according to claim 1 and 2 is characterized in that: puncture needle is the high-strength alloy pin, different many of configuration caliber.