CN206979486U - Intracavitary electrocardiogram is located by connecting line - Google Patents

Abstract

It is located by connecting line the utility model discloses a kind of intracavitary electrocardiogram, is related to medical field, it includes one end and is connected with metal crocodile clip, and the other end connects the connecting line body of conductive plate joint；Plate joint is made up of battery lead plate with the panelling with lug on battery lead plate is embedded in；Connecting line body includes stiffener, conduction unit, external shielding layer and restrictive coating to outer surface successively from internal layer.Time-consuming, Disinfection Effect caused by joint mismatches when the utility model can solve the problems, such as to be connected between the CVC of different brands specification and the ECG monitor of different brands specification is difficult to ensure that many with poor anti jamming capability etc..

Description

Intracavitary electrocardiogram is located by connecting line

Technical field

Technical field of medical instruments is the utility model is related to, especially a kind of be clinically used for will be golden in CVC Category seal wire or other conducting mediums are connected with ECG monitor, draw intracavitary electrocardiogram, coordinate the correct transformant of ECG monitor The connecting line of table electrocardiogram.

Background technology

CVC is used for medium-term and long-term vein treatment, the infusion of drug available for any property.For catheter tip The upper wall boundary tie point of indwelling, superior vena cava and atrium dextrum（CAJ）For the position that security is optimal.The advantages of herein is blood flow Amount is big, can ensure that medicine is diluted without causing injury of blood vessel rapidly；Few intercurrent disease, ensure patient safety.Although catheter tip position Put that standard is clear and definite, but the accuracy rate of studies have shown that CVC tip location is 44%-99%.Non-type catheter position, Do not find in time, the treatment of patient can be delayed, or even cause arrhythmia cordis, cardiac muscle or valve damage, even pericardial tamponade etc. tight The complication of weight.Therefore, the catheter tip location of standard, to reduce complication generation and patient safe treatment have it is important Meaning.Intracavitary electrocardiogram positioning at present is the positioning method in international forward position, and the method is during pipe is put, and conduit is sent into Retrocaval, wire guide wouldn't be withdrawn from, by the connecting wire that sterilizes in advance or ECG monitor conducting wire by wire guide Tail end is connected with ECG monitor, and intracavitary electrocardiogram is converted into surface electrocardiogram, and heart P ripples electricity is observed under ECG monitor Physiological change.Or calparine cap is connected on wire guide tail end, insert calparine cap with the 20ml syringes containing physiological saline In, the connecting wire sterilized in advance or ECG monitor conducting wire are connected with syringe needle stalk, when injecting physiological saline, utilized The electric conductivity of salt solution, intracavitary electrocardiogram is converted into surface electrocardiogram, changing for heart P ripple electro physiologies is observed under cardiac monitoring Become, catheter tip location is judged with this.The problem of above method presently, there are be：

First, various model CVCs are diversified in specifications, and part specification CVC band wire guide, connection is led Line needs to be connected with wire guide, and without wire guide, connecting wire needs to be situated between with other conductions part specification CVC Matter is connected, and mode is complex.And the conducting wire connector that existing ECG monitor is equipped with is diversified in specifications, be generally divided into clip and Two kinds of button, such as the clip conducting wire 2 in Fig. 1 and Fig. 3 and such as the button conducting wire 3 in Fig. 2 and Fig. 4；Clip conducting wire 2 connects Joint is hollow annular clip, can be contacted or be abutted against with wire guide 1 or syringe needle stalk 4, but fixed laborious, and button lead The connector of line 3 is the depression snap-fastener that outer layer is wrapped in by polyurethane, it is impossible to is directly contacted with wire guide 1 or syringe needle stalk 4； If now there was only the ECG monitor of button conducting wire, it is impossible to carry out intracavitary electrocardiogram location technology.Therefore, in existing The supravasal wire guide of cardiac vein or other conducting mediums are difficult that can match to be connected simultaneously with the conducting wire of this two kinds of specifications.Separately On the one hand, the conducting wire connection wire guide being directly equipped with using ECG monitor, conducting wire must be carried out before connection independent Sterilization, it is not only time-consuming but also be difficult to ensure card Disinfection Effect, and ECG monitor be crash equipment, its conducting wire is by independent dismounting as his use Hospital's first-aid apparatus administrative provisions are not met, conducting wire can also be influenceed ECG monitor by oxirane disinfection repeatedly and use the longevity Life.

2nd, in order to make ECG monitor be connected well with CVC, many department's self manufacture connections are led Line, these connecting wires are often used as connecting wire main body, these homemade connecting wires by the use of ordinary copper core electric wire or wire guide There are the following problems:（1）Electric wire outer layer uses the pvc material of general industry, should not be applied to curable product, Also medical oxirane disinfection should not be applied to；(2) general industry wire resistance and ECG monitor lead line resistance are inconsistent, ECG monitor can not be coordinated correctly to convert surface electrocardiogram.Wire guide defect：（1）There is no insulating protective layer, electrocardio prison When protecting instrument conversion surface electrocardiogram, easily it is disturbed；（2）Wire guide and ECG monitor resistance are inconsistent, it is impossible to coordinate ECG monitor correctly converts surface electrocardiogram.On the other hand, these homemade connecting lines also want concomitant disinfection when in use, both It is time-consuming and be difficult to ensure card Disinfection Effect.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of intracavitary electrocardiogram and is located by connecting line, and it can be solved Joint is mismatched and made when being connected between the CVC of different brands specification and the ECG monitor of different brands specification Into time-consuming, Disinfection Effect be difficult to ensure that and the problems such as poor anti jamming capability；The connecting wire can draw intracavitary electrocardio Figure, coordinate ECG monitor correctly to convert surface electrocardiogram, low noise, it is anti-interference, nontoxic, cheap, can epoxy second repeatedly Alkane sterilizes.

In order to solve the above problems, the technical solution of the utility model is：This intracavitary electrocardiogram line that is located by connecting includes There is connecting line body, described connecting line body one end is connected with the crocodile clip of metal, and the other end is connected with the plate joint of conduction；The plate Joint is made up of battery lead plate with the panelling with lug on the battery lead plate is embedded in；The connecting line body is from internal layer to outer surface Include stiffener, conduction unit, external shielding layer and restrictive coating successively.

In above-mentioned technical proposal, more specifically scheme can also be：The conduction unit is that multiply is centered around described add Around strong component, nexine is gun-metal cable core, middle level is high-density polyethylene material insulating barrier and outer layer is soft poly- The cable that alkene semiconducting material collectively forms；The panelling is chlorination silver plate.

Further：The stiffener is made up of high-elasticity fiber silk；The external shielding layer is gun-metal silk；The sheath Layer is TPU materials, and hardness is less than 75A.

Due to being had the advantages that using above-mentioned technical proposal, the utility model：

1st, the utility model is provided at both ends with crocodile clip and the joint with lug, can be with different brands specification pattern The matching connection of ECG monitor on line joint, solves the CVC of different brands specification and different brands specification well ECG monitor between jointing mismatch caused by it is time-consuming and the problem of can not use；The utility model can before use It is standby that independent packaging is carried out after sterilization, packaging bag is torn during use and is taken out can be used, clinical disinfection time and guarantee can be saved Disinfection Effect；It it also avoid the problem of ECG monitor on line causes the lost of life with oxirane disinfection repeatedly.

2nd, the utility model connecting line body has conductive layer, screen layer, restrictive coating of difference in functionality material etc. using multilayer Composition, antijamming capability and the bending flexibility of connecting line are enhanced, ensure that the transmission of true frequency ripple and sound wave, can be fine Intracavitary electrocardiogram is drawn on ground, coordinates ECG monitor correctly to convert surface electrocardiogram, and accurately and reliably people is provided to medical worker Internal information.

Brief description of the drawings

Fig. 1 is existing ECG monitor clip conducting wire and wire guide connection diagram；

Fig. 2 is existing ECG monitor button conducting wire and wire guide connection diagram；

Fig. 3 is that existing ECG monitor clip conducting wire obstructs connection diagram with syringe needle；

Fig. 4 is that existing ECG monitor button conducting wire can not obstruct connection diagram with syringe needle；

Fig. 5 is the utility model structure diagram；

Fig. 6 is the utility model plate joint design schematic diagram；

Fig. 7 is cross-sectional structure enlarged diagram of the connecting line body along A-A hatching lines in Fig. 5；

Fig. 8 is the utility model and wire guide and button conducting wire connection diagram；

Fig. 9 is the utility model and wire guide and clip conducting wire connection diagram；

Figure 10 is the utility model and syringe needle stalk and button conducting wire connection diagram；

Figure 11 is the utility model and syringe needle stalk and clip conducting wire connection diagram.

Label is expressed as in figure：1st, wire guide, 2, clip conducting wire, 3, button conducting wire, 4, syringe needle stalk, 5, crocodile Fish is pressed from both sides, and 6, plate joint, 6-1, battery lead plate, 6-2, lug, 7, connecting line body, 7-1, gun-metal cable core, 7-2, high density are gathered Vinyl material insulating barrier, 7-3, flexible polyolefins semiconductive shielding layer, 7-4, stiffener, 7-5, external shielding layer, 7-6, sheath Layer, 8, calparine cap, 9, CVC.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples：

It is existing ECG monitor clip conducting wire or button conducting wire and CVC point shown in Fig. 1 and Fig. 2 Hold the connection of indwelling wire guide；Fig. 3 and Fig. 4 is existing ECG monitor clip conducting wire or button conducting wire with connecing The schematic diagram of the connection of syringe needle stalk 4 on the calparine cap 8 that the wire guide 1 of CVC 9 connects；Can be with from figure To find out, ECG monitor conducting wire must be that clip conducting wire 2 could contact or be abutted against with wire guide 1 or syringe needle stalk 4, Button conducting wire 3 is limited due to structure, it is impossible to is contacted with wire guide 1 or syringe needle stalk 4.If only equipped with button conducting wire ECG monitor, it is impossible to carry out the operation of intracavitary electrocardiogram location technology.

Fig. 5, Fig. 6 and Fig. 7 intracavitary electrocardiogram are located by connecting line, include connecting line body 7, and one end of connecting line body 7 connects The crocodile clip 5 being made of copper is connected to, the other end is connected with the plate joint 6 of conduction, and plate joint 6 is by battery lead plate 6-1 and is embedded in electricity The silver chlorate panelling with lug 6-2 on pole plate 6-1 is formed；Connecting line body 7 includes reinforcement to outer surface successively from internal layer Component 7-4, conduction unit, external shielding layer 7-5 and restrictive coating 7-6；Conduction unit is six strands of cables, is centered around stiffener 7-4 Around, the per share cable of conduction unit is by gun-metal cable core 7-1, high-density polyethylene material insulating barrier 7-2 and soft Semicrystalline polyolefin conductive material layer 7-3 is collectively constituted；High-density polyethylene material is nonpoisonous and tasteless, has low dielectric constant, ensures Electromagnetic signal low-loss is transmitted, and the semiconductive shielding layer that flexible polyolefins semiconductive material is formed, mainly protection conduction are single Member is not by inside and outside electromagnetic interference；Stiffener 7-4 is made up of high-elasticity fiber silk, and its main purpose is to reduce semi-conductive layer one The friction area risen, makes internal electrostatic lack life, while increases tensile strength, increases the service life.Six bursts of identical are enclosed with partly are led The conduction unit of shield layer is twisted together to form the SMIS of connecting line around stiffener 7-4 is evenly distributed, reaches synchronous biography Defeated purpose simultaneously, reduces the contact area of semi-conductive layer, minimizing electrostatic interference, and stiffener support conductive unit moves together, Increase its tensile strength and service life.External shielding layer 7-5 is one layer of gun-metal metal for being wrapped in connecting line SMIS surrounding Silk, external shielding layer 7-5 isolation outside electromagnetic interferences, drains internal and external interference and noise, winding shielding construction is because producing twisting pitch Than traditional braid shielded with more bending reliability, interior plus outer shielding construction effect, so as to ensure that true frequency ripple and sound wave Transmission.Outermost restrictive coating 7-6 is wrapped in, is TPU materials, to protect the transmission feature of whole piece cable, this is protected in addition Jacket layer hardness is less than 75A, is soft level polyurethane plastics material, keeps the flexibility of wire, while passes through medical recognizing with food-grade Card, without huge sum of money element, free from extraneous odour, does not corrode skin and human organ, so as to reach the requirement of medical environment.

It is that the utility model is used to connect ECG monitor conducting wire and CVC tip is stayed shown in Fig. 8 and Fig. 9 Put the connection of wire guide；It can be seen that clip ECG monitor conducting wire can clamp lug connection, the button heart Electric patient monitor conducting wire can the connection of hitch upper lug；Therefore, no matter ECG monitor conducting wire is clip or button conducting wire Can firmly it be connected with wire guide 1 by the lug 6-2 and crocodile clip 5 of two end connectors in the utility model.

It is that the utility model is used to connect ECG monitor conducting wire and CVC tip shown in Figure 10 and Figure 11 The connection of syringe needle stalk on the calparine cap 8 of indwelling wire guide connection；It can be seen that same as above, folder Formula ECG monitor conducting wire can clamp lug connection, and button ECG monitor conducting wire can the connection of hitch upper lug；Therefore, no Pipe ECG monitor conducting wire be clip or button conducting wire can by the lug 6-2 of two end connectors in the utility model and Crocodile clip 5 is firmly connected with syringe needle stalk 4.So individually only conducting wire cardiac monitoring equipped with button conducting wire or clip Instrument, it could be used for carrying out the operation of intracavitary electrocardiogram location technology.

Other the utility model can be that to carry out independent packaging after sterilization standby before, tear packaging bag during use and take Go out use, the clinical disinfection time can be saved and ensure Disinfection Effect.

Claims (3)

1. The line 1. a kind of intracavitary electrocardiogram is located by connecting, includes connecting line body（7）, it is characterised in that：The connecting line body（7）One End is connected with the crocodile clip of metal（5）, the other end be connected with conduction plate joint（6）；The plate joint（6）By battery lead plate（6- 1）Be embedded in the battery lead plate（6-1）It is upper that there is lug（6-2）Panelling form；The connecting line body（7）From internal layer to outer Surface includes stiffener successively（7-4）, conduction unit, external shielding layer（7-5）And restrictive coating（7-6）.
2. The line 2. intracavitary electrocardiogram according to claim 1 is located by connecting, it is characterised in that：The conduction unit encloses for multiply It is wound on the stiffener（7-4）Around, nexine be gun-metal cable core（7-1）, middle level be high-density polyethylene material Insulating barrier（7-2）It is flexible polyolefins semiconducting material with outer layer（7-3）The cable collectively formed；The panelling is silver chlorate Plate.
3. The line 3. intracavitary electrocardiogram according to claim 1 or 2 is located by connecting, it is characterised in that：The stiffener（7-4） It is made up of high-elasticity fiber silk；The external shielding layer（7-5）For gun-metal silk；The restrictive coating（7-6）For TPU materials, hardness Less than 75A.