CN210121288U - Multi-cavity central venous catheter - Google Patents

Abstract

The utility model relates to the technical field of venous catheters, in particular to a multi-cavity central venous catheter, which comprises a first branch catheter, wherein one side of the first branch catheter is provided with a second branch catheter, one ends of the first branch catheter and the second branch catheter are provided with connectors, and one ends of the first branch catheter and the second branch catheter are communicated with the inside of the connectors; this central venous catheter of multicavity is through a plurality of side openings that are equipped with, the emergence of pipe jam situation has been reduced, and then medical personnel's work burden has been alleviateed, the problem of the easy jam of current central venous catheter has been solved, this central venous catheter of multicavity is through the fixer that is equipped with, be favorable to ventilative and the sweat-absorbing of fixed department skin on the one hand, on the other hand has avoided the emergence of pressing the sore, this design is humanized, traditional needle line suture mode fixed has been changed, patient's misery has been alleviateed, the fixed mode of having solved current central venous catheter easily brings painful problem for the patient.

Description

Multi-cavity central venous catheter

Technical Field

The utility model relates to a venous catheter technical field specifically is a multicavity central venous catheter.

Background

The central venous catheter belongs to one of intravascular catheters, is placed in a great vein or a pericardial cavity, is commonly used for measuring central venous pressure, fluid infusion, pericardial drainage and the like, on one hand, when the existing central venous catheter is used for infusion or drainage, the situation of catheter blockage is frequently caused due to fewer side holes in a main catheter, and great trouble is brought to the work of medical workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicavity central venous catheter to solve the easy problem of bringing the misery for the patient of the current central venous catheter's that proposes among the above-mentioned background art fixed mode of easily blockking up and current central venous catheter.

In order to achieve the above object, the utility model provides a following technical scheme:

a multi-lumen central venous catheter comprises a first branch catheter, a second branch catheter is arranged on one side of the first branch catheter, connectors are arranged at one ends of the first branch catheter and the second branch catheter, and one ends of the first branch catheter and the second branch catheter are communicated with the inside of the connectors;

the connector is characterized in that lugs are tightly bonded on two side faces of the connector, through holes are formed in the lugs, a main duct is arranged on the front side of the connector, one end of the main duct is communicated with the inside of the connector, and a plurality of side holes are formed in the position, close to the front end, of the outer wall of the circumference of the main duct.

Preferably, the first branch conduit and the second branch conduit are both communicated with the main conduit.

Preferably, the side holes are spirally distributed.

Preferably, the radii of the side holes are different.

Preferably, the below of connector is equipped with the fixer, it has two symmetrical sleeve pipes to closely bond on the top surface of fixer, the intraductal loop bar that is equipped with of cover, the top surface of loop bar closely bonds and has the spacing ring, the periphery of loop bar is equipped with the spring, the bottom of spring with the intraductal bottom surface of cover closely bonds, the top of spring with the bottom surface of spacing ring closely bonds, the top surface of spacing ring closely bonds and has the depression bar, the one end of depression bar is located in the through-hole, the bottom surface of fixer is seted up flutedly, the embedded sponge that is equipped with of recess, the bottom surface of fixer still closely bonds and has two-sided glue film.

Preferably, a plurality of air holes are formed in the sponge at equal intervals.

Preferably, the whole shape of the double-sided adhesive layer is circular ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the multi-cavity central venous catheter ensures that the central venous catheter is smooth in the catheter when in use through the plurality of side holes, thereby reducing the occurrence of catheter blockage, further lightening the work burden of medical personnel and solving the problem that the existing central venous catheter is easy to block;

2. this central venous catheter of multicavity is through the fixer that is equipped with, make this central venous catheter when using, the user of service can fix the connector on the fixer, and then fix central venous catheter on patient's skin through the fixer, sponge and the bleeder vent that is equipped with simultaneously on the fixer, be favorable to ventilative and the sweat-absorbing of fixed department skin on the one hand, on the other hand has avoided the emergence of pressing the sore, this design is humanized, traditional needlework sewing up fixed mode has been changed, patient's misery has been alleviateed, the fixed mode of having solved current central venous catheter easily brings painful problem for the patient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the position A of the present invention;

FIG. 3 is a schematic structural view of the present invention after the fixing device is installed;

fig. 4 is a schematic view of an explosion structure of the fixator of the present invention;

fig. 5 is a bottom view of the middle fixer of the present invention.

In the figure: 1. a first branch conduit; 2. a second branch conduit; 3. a connector; 31. a lug; 311. a through hole; 4. a main duct; 41. a side hole; 5. a holder; 51. a sleeve; 52. a loop bar; 53. a spring; 54. a limiting ring; 55. a pressure lever; 56. a groove; 57. a sponge; 571. air holes are formed; 58. a double-sided adhesive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A multi-cavity central venous catheter is disclosed, as shown in figures 1 and 2, and comprises a first branch catheter 1, a second branch catheter 2 is arranged on one side of the first branch catheter 1, a connector 3 is arranged at one end of each of the first branch catheter 1 and the second branch catheter 2, one end of each of the first branch catheter 1 and the second branch catheter 2 is communicated with the inside of the connector 3, lugs 31 are tightly adhered to two side faces of the connector 3, through holes 311 are formed in the lugs 31, a main catheter 4 is arranged on the front side of the connector 3, one end of the main catheter 4 is communicated with the inside of the connector 3, and a plurality of side holes 41 are formed in the circumferential outer wall of the main catheter 4 close to the front end.

Specifically, the first branch catheter 1 and the second branch catheter 2 are both communicated with the main catheter 4, which is convenient for drainage and transfusion.

Further, a plurality of side holes 41 are distributed spirally, and a plurality of side holes 41 are distributed spirally along the outer wall of the main catheter 4, so that drainage and infusion are more smooth, and the occurrence of blockage is reduced.

Example 2

As a second embodiment of the present invention, the difference from embodiment 1 is that: the radii of the plurality of side holes 41 are different.

It should be added that the plurality of side holes 41 with different apertures are more beneficial to infusion and drainage, and the occurrence of pipeline blockage is reduced.

Example 3

As the third embodiment of the present invention, in order to fix the connector 3, the utility model discloses the people has set up the fixer 5, as shown in fig. 3 to fig. 5, the below of connector 3 is equipped with the fixer 5, closely bond on the top surface of fixer 5 and have two symmetrical sleeve pipes 51, be equipped with loop bar 52 in the sleeve pipe 51, the top surface of loop bar 52 closely bonds and has spacing ring 54, the periphery of loop bar 52 is equipped with spring 53, the bottom of spring 53 and the interior bottom surface of sleeve pipe 51 closely bond, the top of spring 53 and the bottom surface of spacing ring 54 closely bond, the top surface of spacing ring 54 closely bonds and has depression bar 55, the one end of depression bar 55 is located through-hole 311, the bottom surface of fixer 5 is seted up flutedly 56, the embedded sponge 57 that is equipped with of recess 56, the bottom surface of fixer 5 still closely bonds and has two-sided adhesive layer.

Specifically, a plurality of air holes 571 are formed in the sponge 57 at equal intervals, and the plurality of air holes 571 are favorable for ventilation of the contact part of the fixer 5 and the skin and are favorable for sweat absorption of the sponge 57.

Further, the whole shape of the double-sided adhesive layer 58 is circular, the double-sided adhesive layer 58 is convenient to use, and when the connector 3 needs to be fixed, a user can tear off the non-adhesive layer and adhere the fixer 5 to the skin of a patient.

When the multi-lumen central venous catheter of the embodiment is used, a user firstly puts one end of the main catheter 4 into an incision of the skin of a patient, and drainage fluid and the like in a wound enter the main catheter 4 from the side hole 41, flow into the first branch catheter 1 and the second branch catheter 2 from the main catheter 4 and finally flow to the outside;

when a user places the main catheter 4 and needs to fix the connector 3, the user firstly pulls the pressing rod 55 on the fixer 5 upwards, the pressing rod 55 drives the loop bar 52 to slide in the sleeve 51, the spring 53 is stretched, meanwhile, the user places one end of the pressing rod 55 into the through hole 311 on the lug 31, then the user releases the pressing rod 55, the spring 53 contracts, the pressing rod 55 moves downwards and enters the through hole 311, the pressing rods 55 on two sides are placed into the through hole 311 in sequence, the connector 3 can be fixed on the fixer 5, the user tears the non-adhesive layer on the double-sided adhesive layer 58 at the moment, the fixer 5 is adhered on the skin of the patient, and the central venous catheter can be fixed on the skin of the patient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A multilumen central venous catheter comprising a first branch catheter (1), characterized in that: a second branch conduit (2) is arranged on one side of the first branch conduit (1), a connector (3) is arranged at one end of the first branch conduit (1) and one end of the second branch conduit (2), and one end of the first branch conduit (1) and one end of the second branch conduit (2) are communicated with the inside of the connector (3); the connector comprises a connector body (3), wherein two side faces of the connector body (3) are tightly adhered with lugs (31), through holes (311) are formed in the lugs (31), a main guide pipe (4) is arranged on the front side of the connector body (3), one end of the main guide pipe (4) is communicated with the interior of the connector body (3), and a plurality of side holes (41) are formed in the position, close to the front end, of the outer wall of the circumference of the main guide pipe (4); the first branch conduit (1) and the second branch conduit (2) are communicated with the main conduit (4); the side holes (41) are distributed spirally.

2. The multilumen central venous catheter of claim 1, wherein: the radii of the side holes (41) are different from each other.

3. The multilumen central venous catheter of claim 1, wherein: a fixer (5) is arranged below the connector (3), two symmetrical sleeves (51) are tightly adhered on the top surface of the fixer (5), a sleeve rod (52) is arranged in the sleeve (51), a limit ring (54) is tightly bonded on the top surface of the sleeve rod (52), a spring (53) is arranged on the periphery of the loop bar (52), the bottom end of the spring (53) is tightly adhered to the inner bottom surface of the sleeve (51), the top end of the spring (53) is tightly adhered with the bottom surface of the limit ring (54), a pressure lever (55) is tightly bonded on the top surface of the limit ring (54), one end of the pressure lever (55) is positioned in the through hole (311), a groove (56) is formed in the bottom surface of the fixer (5), a sponge (57) is embedded in the groove (56), the bottom surface of the fixer (5) is also tightly adhered with a double-sided adhesive layer (58).

4. The multilumen central venous catheter of claim 3, wherein: a plurality of air holes (571) are formed on the sponge (57) at equal intervals.

5. The multilumen central venous catheter of claim 3, wherein: the whole shape of the double-sided adhesive layer (58) is circular.

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