CN102764459A

CN102764459A - Safe medical infusion apparatus

Info

Publication number: CN102764459A
Application number: CN2011101132184A
Authority: CN
Inventors: 徐根云; 徐煜姗
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-03
Filing date: 2011-05-03
Publication date: 2012-11-07

Abstract

The invention relates to a medical instrument, in particular to a safe medical infusion apparatus. The safe medical infusion apparatus comprises an infusion needle, a dropper, an adjuster, a venipuncture needle, connecting hoses and an air return device, and the connecting hoses are connected among the infusion needle, the dropper, the adjuster and the venipuncture needle. The safe medical infusion apparatus is characterized in that the air return device is provided with an upper air return needle and a lower air return needle, an air sterilizer is serially connected between the two air return needles, the upper air return needle can be communicated with a liquid medicine hanging bottle, the lower air return needle is communicated with external air, the air sterilizer is of a jar-shaped structure, an air inlet and an air outlet are respectively arranged at two ends of the air sterilizer, sterilizing liquid is filled in the air sterilizer, multiple layers of first transverse partition plates are arranged in a jar body of the jar-shaped structure at intervals in a staggered manner, an air hole is arranged on one side of each first transverse partition plate, so that a labyrinth airflow channel is formed in the jar body, and the time of air contacting with the sterilizing liquid can be prolonged. The external air flows through the sterilizing liquid and then enters the hanging bottle, so that bacteria and viruses in the external air can be killed, and pathogenic microorganisms in the air are effectively prevented from entering a human body along with liquid medicine.

Description

The safe medical transfusion device

Technical field

The present invention relates to medical apparatus and instruments, particularly the improvement of transfusion device.

Background technology

Existing medicinal liquid transfusion device is made up of return-air pin, transfusion needle, dropper, actuator, venipuncture needle and connection flexible pipe each other thereof.Owing to need could keep following of medicinal liquid by return-air pin covering air in hanging bottle, the return-air pin inserts bottle stopper directly makes outside air float to the liquid level top with bubble form on the bottle inner liquid medicine through hanging.But in this special environment of hospital, pollution source is many, and the pathogenic microorganism kind is many in the air." reported in the Chinese sanitary inspection journal that air set enzyme feminine gender staphylococcus recall rate was 67.1% hospital in like 2002 the 12nd the 1st phases of volume; And for example 2000 the 17th the 04th phases of volume " reported that the air-borne bacteria sum reached more than 1767～4525cfu/m3 in the hospital in the Chinese Disinfection journal.The air of band antibacterial gets into through the return-air pin and hangs the bottle inner liquid medicine; Medicinal liquid has become air filtration liquid; Airborne dust and antibacterial have all incorporated in the liquid, and the patient has imported this liquid that receives severe contamination often untoward reaction will occur, even cross infection takes place.To this problem; The technical scheme that Chinese patent 200510096995 " portable abacterial transfusion system " is introduced is: comprise inflator, Pressure gauge, air accumulator, air disinfector; Inflator injects pressure air in the air accumulator and stores; Be provided with a pressure regulator wherein, air accumulator is connected with pressure regulator one end pipe, and the other end of pressure regulator is connected with the air sterillization organ pipe; The inner chamber of air disinfector is placed the cotton balls that is soaked with disinfectant solution, the pressure air through air accumulator force outside air through air disinfector cotton balls get into again and hang bottle.The apparatus structure of this band air accumulator and pressure regulator is complicated, and cost is high; Troublesome poeration is difficult for accurate control air pressure value, because the entering of inappropriate gases at high pressure is hung in the bottle, influences the safe mass of infusing, and not meeting in the extension bottle should be non-pressurized standard-required.

Summary of the invention

The objective of the invention is to overcome above-mentioned defective, provide a kind of simple in structure, can carry out antibacterial, sterilization and dust separating safe medical transfusion device to an air of get into hanging in the bottle, make that to get into patient's venous medicinal liquid not contaminated.

The technical scheme of safe medical transfusion device of the present invention is: a kind of safe medical transfusion device, comprise transfusion needle, dropper, actuator, venipuncture needle and connection flexible pipe each other thereof, and the return-air pin; It is characterized in that described return-air pin has two, be divided into air tube and air tube next time last time, serial connection one air disinfector between the two return-air pins; Last time, air tube was communicated with medicinal liquid extension bottle; Air tube is communicated with outside air next time, and air disinfector is the jar shape structure that two ends are shaped on air inlet and gas outlet respectively, fill disinfectant solution in it; Also interlocking at interval in the tank body is provided with the lateral partitions one that multilamellar one side has pore, makes to constitute the labyrinth gas channel in the tank body.

Above the lateral partitions one of the superiors, also be provided with one have a micropore lateral partitions two, the surface tension of micropore is less than the surface tension of disinfectant solution.

Described lateral partitions two is separated into epicoele, cavity of resorption with inner chamber; Last intracavity is equipped with ultraviolet sterilization apparatus; Following intracavity is equipped with disinfectant solution; The air that gets into from air tube next time gets into a medicinal liquid of hanging in the bottle after disinfectant solution, getting into the disinfection by ultraviolet lights chamber through a plurality of micropores that are upward through lateral partitions two behind the labyrinth gas channel again.

Described tank body is stacked gradually and is formed by the identical top cover of diameter, a plurality of spacer ring, lateral partitions two, a plurality of lateral partitions one, bottom, and its outer cylinder cover covers the heat-shrinkable tube sealing and fixing.

The gas outlet that described tank body is communicated with epicoele is communicated with house steward, and house steward is communicated with branch pipe connection a plurality of arranged side by side spaced apart, each arm respectively through pipeline with one last time air tube be communicated with.This structure is particularly suitable for the occasion that there are numerous transfusion points in hospital, such as the ward, and transfusion room; The air sterillization station is set in the hospital, leads to through network type layout pipeline and respectively infuse a little, like this; Both can avoid each transfusion point all need dispose air disinfector, also can guarantee the sterilisation quality of air.

The present invention hangs bottle with outside air through getting into behind the disinfectant solution again, can kill antibacterial and virus in the outside air, and the grieshoch that contains is sterilized the liquid filtration and sinks to tank bottoms; Process the labyrinth gas channel in the tank body, can prolong the time of contact of air in disinfectant solution, strengthen the killing effect of antibacterial with virus; Have the lateral partitions two of micropore, because the aperture of micropore has only tens microns, its surface tension is less than the surface tension of disinfectant solution; And air molecule is especially little; Can pass micropore, so lateral partitions two has the not effect of choke of blocking solution, like this; Even make the disinfection tank upset accidentally, disinfectant solution can not flow into yet to be hung in the bottle; Air if still contain minority antibacterial and virus, passes through ultraviolet radiation through behind the disinfectant solution again, and insect killing effect can reach more than 99%, prevents that effectively airborne pathogenic microorganism from getting into human body with medicinal liquid.

Description of drawings

Fig. 1 is a sketch map of the present invention.

Fig. 2 is the air disinfector one example structure figure of gas-returning devices among Fig. 1.

Fig. 3 is the vertical view of lateral partitions one among Fig. 2.

Fig. 4 is the vertical view of spacer ring among Fig. 2.

Fig. 5 is the vertical view of lateral partitions two among Fig. 2.

Fig. 6 is another example structure of air disinfector figure of gas-returning devices.

Fig. 7 is an A-A place sectional view among Fig. 6.

The specific embodiment

With reference to Fig. 1 safe medical transfusion device; Comprise and to hang transfusion needle, dropper 2, actuator 3, venipuncture needle 4 and the connection flexible pipe each other thereof that bottle 1 is connected with medicinal liquid; Gas-returning devices of the present invention has air tube 8 and air tube 9 next time last time; Serial connection one air disinfector 5 between this two return-airs pin, air tube 8 can be hung bottle 1 with medicinal liquid and be communicated with last time, and air tube 9 is communicated with outside air next time.

With reference to Fig. 2-Fig. 5, air disinfector is the jar shape structure that two ends are shaped on air inlet and gas outlet 51 respectively, and air inlet is provided with a rubber stopper 54, supplies next time that air tube 9 thrusts, gas outlet 51 through flexible pipe with last time air tube 8 be connected.Disinfectant solution 53 in the jar shape air disinfector fill such as ClO 2 solution or the peracetic acid soln.By a plurality of spacer rings 57 and the range upon range of barrel portion that constitutes air disinfector in a plurality of lateral partitions one 58 intervals, engage the formation tank-like body again with top cover 52, bottom 59 in the tank body.A plurality of lateral partitions one 58 one sides all have pore 581, and the interleaved setting, make to constitute the labyrinth gas channel in the tank body, can prolong the elapsed time of air in medicinal liquid at double.Above lateral partitions 1, also be provided with in the superiors one have a micropore 551 lateral partitions 2 55, the surface tension of micropore greater than the molecule of gas, can realize the obstructed liquid of ventilating less than the surface tension of disinfectant solution.A plurality of spacer rings 57 of the barrel portion of tank body and range upon range of can the bonding in a plurality of lateral partitions one 58 intervals by interlayer glue; But make efficiency is low; The embodiment of the invention adopts heat-shrinkable tube 56 covers to overlay on the cylinder outer surface of tank body; Through heating, make heat-shrinkable tube 56 form tank body with the sealing of the closely connected formation interlayer of cylinder outer surface.

With reference to Fig. 6, Fig. 7 embodiment; Be suitable for as the air sterillization station in the hospital, its structure is: lateral partitions 2 55 is separated into epicoele 57, cavity of resorption 50 with inner chamber, and last intracavity is equipped with ultraviolet sterilization apparatus; Two Burdick lamps 6 are installed in top cover 52 inwalls of jar relatively; Following intracavity is equipped with disinfectant solution, and its structure is identical with embodiment 1, and labelling 521 is the electric wire perforation among the figure.The air that gets into from air tube next time 9 gets into a medicinal liquid of hanging in the bottle after disinfectant solution, getting into the disinfection by ultraviolet light chambeies through a plurality of micropores 551 that are upward through lateral partitions 2 55 behind the labyrinth gas channel again.The gas outlet 51 that is communicated with epicoele 57 is communicated with house steward 71, and house steward 71 is communicated with branch pipe connection 72 a plurality of arranged side by side spaced apart, and each arm is respectively through arranging that through network type pipeline is communicated with air tube last time of ward, the numerous transfusion points of transfusion room.So just need not each transfusion point and all need dispose air disinfector, can safeguard the sterilisation quality that guarantees air by the special messenger.

Claims

1. a safe medical transfusion device comprises transfusion needle, dropper, actuator, venipuncture needle and connection flexible pipe each other thereof, and gas-returning devices; It is characterized in that said gas-returning devices has air tube and air tube next time last time; Serial connection one air disinfector between the two return-air pins, last time, air tube can be communicated with medicinal liquid extension bottle, and air tube is communicated with outside air next time; Air disinfector is the jar shape structure that two ends are shaped on air inlet and gas outlet respectively; The interval and multilamellar one side that is crisscross arranged have the lateral partitions one of pore in the fill disinfectant solution in it, tank body, make to constitute the labyrinth gas channel in the tank body.

2. safe medical transfusion device as claimed in claim 1, it is characterized in that above the lateral partitions one of the superiors, also being provided with one have a micropore lateral partitions two, the surface tension of micropore is less than the surface tension of disinfectant solution.

3. according to claim 1 or claim 2 safe medical transfusion device; It is characterized in that said lateral partitions two is separated into epicoele, cavity of resorption with inner chamber; Last intracavity is equipped with ultraviolet sterilization apparatus; Following intracavity is equipped with disinfectant solution, and the air that gets into from air tube next time gets into a medicinal liquid of hanging in the bottle after disinfectant solution, getting into the disinfection by ultraviolet lights chamber through a plurality of micropores that are upward through lateral partitions two behind the labyrinth gas channel again.

4. safe medical transfusion device as claimed in claim 3 is characterized in that the gas outlet that tank body is communicated with epicoele is communicated with house steward, and house steward is communicated with branch pipe connection a plurality of arranged side by side spaced apart, each arm respectively through pipeline with one last time air tube be communicated with.

5. safe medical transfusion device as claimed in claim 1 is characterized in that tank body is stacked gradually and formed by the identical top cover of diameter, a plurality of spacer ring, lateral partitions two, a plurality of lateral partitions one, bottom, and its outer cylinder cover covers the heat-shrinkable tube sealing and fixing.

6. like claim 1 or 2 or 3 described safe medical transfusion devices, it is characterized in that disinfectant solution is ClO 2 solution or peroxide acetate aqueous solution.