CN209662393U

CN209662393U - A kind of newborn's PICC conduit by Magnetic oriented

Info

Publication number: CN209662393U
Application number: CN201820985201.5U
Authority: CN
Inventors: 唐彬秩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-25
Filing date: 2018-06-25
Publication date: 2019-11-22
Anticipated expiration: 2028-06-25

Abstract

The utility model discloses a kind of newborn's PICC conduits by Magnetic oriented, wire guide in PICC conduit and conduit including conventional 1.9Fr specification, seal wire includes magnetic head end and the nonmagnetic wire guides that are connected with magnetic head end, the another mating body surface instruction hollow sphere magnetic bead made of strong magnetic material, magnetic bead external surface coating are low friction coefficient materials.The intracavitary PICC conduit for setting seal wire of pipe operating instruction insertion tube is set by PICC, magnetic bead is indicated in newborn's body surface placement body table while setting pipe, magnetic bead and seal wire magnetism head end occur magnetic field induction and are rolled to the corresponding body surface projection position of PICC catheter tip by the attraction of magnetic force, the rolling track changed by observation body surface location magnetic bead with internal PICC catheter tip location and stop place, PICC sets pipe operator can grasp catheter tip position in real time, discovery in time and adjusting PICC catheter tip dystopy, extras are not required to, it is simple and easy.

Description

A kind of newborn's PICC conduit by Magnetic oriented

Technical field

The utility model relates to a kind of newborn's clinic PICC to set leading for the real-time intuitive judgment catheter tip location of Guan Zhongke Pipe device.

Background technique

Peripherally Inserted Central Catheter (peripherally inserted central catheter, It PICC) is the important life access of severe neonates, fast and accurately PICC sets the prerequisite that pipe is severe neonates rescue One of.It is domestic at present that length of tube is mainly set according to infant body surface symbol measurement predictive PI CC by operator, and row x-ray chest after surgery Piece determines catheter tip location.Since newborn individual anatomic differences are big, superior vena cava lower section body surface projection by it is many because Element influences, and is difficult to the merging length that entirely accurate judges conduit only according to body surface measurement, PICC sets pipe and is often difficult to disposably accurately In place.

With the development of Imaging Technology, electrophysiological technique, some PICC catheter tip location technologies obtain in clinic More and more applications, including X- line rabat, B ultrasound, intracavitary electrocardiogram.These technologies accurately set pipe for PICC and positioning provides It is convenient.Both just in this way, these technologies generally require additional professional technician and special instrument and equipment, such as X- ray machine, B Super machine, special electrode/ECG monitor etc., higher cost increase medical resource consumption and patient's burden, and as presently the most Widely used X- line location technology also has the shortcomings that radioactivity, hysteresis quality.These at present clinically used location technologies without Method provides inexpensive, convenient, reliable real-time positioning guide for the PICC person that sets pipe, and conduit cannot be found and correct in time by increasing The risks such as the infection of dystopy bring, phlebitis, thrombus/catheter blockage, and need to readjust position, radiation again repeatedly Exposed or even tube drawing sets pipe again, increases consumption and newborn several radiation exposures and the infection chance of medical resource.In recent years Newly there is a kind of pressure change when acting by patient's cough and judge that adult PICC sets the device of pipe position, but there is still a need for dependence Special pressure sensor apparatus is disposed in vivo, it is with high costs, and newborn or young infant can not cooperate cough to act, and limit Its application in newborn's clinic.There is presently no a kind of succinct conveniences, environmentally friendly for mesh, are not required to added technique and equipment, can In the PICC device that PICC sets pipe while being accurately positioned in real time.

Utility model content

For above-mentioned deficiency in the prior art, the utility model provides a kind of PICC conduit of included positioning device, The conduit can directly, accurately show the position of PICC catheter tip without additional instruments equipment in newborn's body surface, Help set pipe personnel in real time, accurately judge catheter tip arrival position have it is without exception, in order to readjust dystopy in time PICC conduit, reduce because the various of the improper initiation of catheter tip location set pipe complication, improve newborn PICC and set facing for pipe Bed application effect.

In order to achieve the above object of the invention, the technical solution that the utility model newborn PICC conduit uses are as follows: including normal Rule newborn PICC sets the PICC conduit (overall length 50cm, internal diameter 0.28mm) and overall length 51cm, diameter of 1.9Fr specification used in pipe Wire guide in the conduit of 0.25mm；Seal wire includes the magnetic end of the long 1cm of head end and the 50cm connecting with magnetic end is non magnetic leads Filament；Magnetic end is made of safe and non-toxic ferromagnetic metal material, head end round blunt；Non magnetic wire guides are by safe and non-toxic inverse Magnetic metal material is made, and the metal has good deformation ductility, can bend repeatedly.During another mating body surface instruction is used Empty spherical magnetic bead, is made, magnetic bead outer surface is coated with one layer of extremely low material coating of coefficient of friction of strong magnetic material.

The utility model has the following beneficial effects: the intracavitary PICC conduit for setting seal wire of pipe operating instruction insertion tube is set by PICC, Because seal wire head end contains magnetic metal, place strong magnetic force magnetic bead in newborn's body surface while setting pipe, so that it may by with seal wire Magnetic metal head end occurs magnetic field induction and is rolled to the corresponding body surface projection position of PICC catheter tip, is setting pipe to realize It does not needed in the process by additional instruments equipment, convenient intuitively PICC conduit positioned in real time.

Detailed description of the invention

Fig. 1 wire guide is inserted into the side view of one embodiment in PICC catheter lumen

Fig. 2 is the schematic cross-section of a spherical magnetic bead embodiment of body surface instruction

Fig. 3 is newborn's PICC conduit usage state diagram by Magnetic oriented.

Wherein, 1,1.9Fr specification PICC conduit；2, wire guide body portion (diamagnetism material, "-" indicate)；3, metal is led Silk head end (ferrimagnet, " Shu " are indicated)；4, spherical magnetic bead strength magnet；5, it is coated with the magnetic bead appearance of low friction coefficient materials Face；6, spherical magnetic bead hollow structure inside.

Specific embodiment

Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in, These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.

Figures 1 and 2 show that the newborn after insertion metallic in-laid seal wire is with 1.9Fr specification PICC conduit side view, Fig. 2 Show the cross section structure schematic diagram for indicating hollow spherical magnetic bead.With reference to Fig. 1 and Fig. 2, the newborn PICC of the present embodiment The technical solution of catheter positioned device are as follows:

Including the wire guide built in PICC conduit 1 and conduit, wire guide includes the wire guides 2 that diamagnetism metal is constituted The seal wire head end 3 constituted with ferromagnetic metal.Wire guide length is slightly longer than 1 length of PICC conduit, and diameter, which is slightly less than PICC, leads 1 internal diameter of pipe.

Wire guide design length is slightly longer than 1 overall length of PICC conduit, and operator is first by seal wire along 3 direction of head end before setting pipe It is sent into 1 lumen of PICC conduit, when seal wire head end 3 is close to 1 tip of conduit, the extra 1cm length of seal wire tail end 2 can be by operator Bending to wire guides is in 90 ° of tail end 2, prevents it from moving forward to fix wire and breaks through 1 tip of PICC conduit damage Hurt newborn's blood vessel, while positioning being facilitated to pull out wire guide after the completion.

Wire guide head end 3 is designed as round blunt shape, and metallic hard tip frictionally damage PICC when magnetic fields occurs to reduce 1 inner wall of conduit.

It, will in one embodiment of the utility model in order to ensure the flexibility and stability of body surface instruction magnetic bead 4 Magnetic bead is designed to the hollow ball shape 6 of thick 0.3cm, alleviates magnetic bead own wt and its pressure to children patient tissue, magnetic bead Outer surface is coated with one layer of extremely low material coating of coefficient of friction 5, and magnetic bead 4 can be made to be attracted rolling under little magneticaction, Its risk for being rolled off the infant body surface that falls off is reduced simultaneously.

With reference to Fig. 3, the intracavitary PICC conduit 1 for setting seal wire of pipe operating instruction insertion tube is set by PICC, new while setting pipe Raw youngster's body surface places the last one magnetic force magnetic bead 4, and with seal wire magnetic metal head end 3 built-in in PICC conduit 1 magnetic field sense occurs for magnetic bead 4 Should by magnetic force attraction and be rolled to the corresponding body surface projection position in 1 tip of PICC conduit, pass through observation body surface location magnetic bead 4 Rolling track and stop place with the variation of internal 1 tip location of PICC conduit, PICC sets pipe operator can grasp PICC in real time The location of 1 tip of conduit.Utmostly to reduce friction when magnetic bead 4 rolls to the delicate skin of newborn, use can faced It is preceding to smear 4 surface of magnetic bead with baby's olive oil, it is subsequently placed in infant skin surface.Ideal 1 tip of PICC conduit should be located at upper Lower 1/3 section or superior vena cava and atrium dextrum intersection in vena cave, corresponding body surface projection region are right side parasternal 3-5 Intercostal, as superior vena cava body surface projection position.Length of tube, tracer are set as 1 insertion depth of PICC conduit moves closer to expection Magnetic bead 4 is gradually rolled to above-mentioned target area, i.e. the lower positioning of completion catheter tip body surface direct-view.Then properly fixed PICC is led Pipe 1 removes magnetic bead 4, pulls out the wire guide in PICC conduit 1.

In conclusion the newborn PICC conduit 1 that this set carries locating system passes through the iron of wire guide head end in conduit The magnetic field induction of magnet 3 and body surface location magnetic bead 4 interacts, and can simply and easily realize lower 1 tip of PICC conduit of direct-view Positioning reduces dystopy rate and its causes the phenomenon that can finding early when setting pipe and carrying out with timely correction catheter tip dystopy Conduit incidence of complications, avoid repeatedly readjust position, even tube drawing set again pipe and repeatedly X- line radiate It checks to neonatal damage, while eliminating and disappearing by the medical resource that various instrument and equipments progress PICC sets pipe Needle localization Consumption.A whole set of system uses safe and non-toxic common used material, and structure is simple, economical and practical, is suitble to the limited primary care machine of condition Structure is promoted the use of.

Claims

1. a kind of newborn's PICC conduit by Magnetic oriented, it is characterised in that: including being carried in conventional PICC conduit, conduit Wire guide and body surface indicate strong Magnetic force ball；Wire guide includes seal wire head end and wire guides；The guidewire length is slightly longer In PICC conduit overall length, diameter is slightly less than PICC catheter diameter, and the wire guides have good Metal Deformation ductility, can be anti- Multiple bending.

2. newborn PICC conduit according to claim 1, it is characterised in that: the wire guide includes ferromagnetic metal The made head end of material and the made wire guides of diamagnetism metal material being connected with head end.

3. newborn PICC conduit according to claim 2, it is characterised in that: the wire guide magnetism head end is no life The ferromagnetic metal material of object toxicity, head end round blunt.

4. newborn PICC conduit according to claim 2, it is characterised in that: wire guide nonmagnetic material portion is nothing The diamagnetism metal material of bio-toxicity.

5. newborn PICC conduit according to claim 1, it is characterised in that: the body surface instruction is nothing with strong Magnetic force ball The strong magnetic material of toxicity is made.

6. newborn PICC conduit according to claim 5, it is characterised in that: during body surface instruction with strong Magnetic force ball is Empty spherical magnet.

7. newborn PICC conduit according to claim 5 or 6, it is characterised in that: the body surface indicates strong Magnetic force ball Outer surface is coated with the coating of one layer of reduction force of rolling friction.

8. newborn PICC conduit according to claim 7, it is characterised in that: the body surface indicates strong Magnetic force ball appearance Finishing coat is the low non-toxic material of coefficient of friction.