CN215875922U - Heat dilution floating catheter with telescopic clean protective sleeve - Google Patents

Abstract

The utility model discloses a heat dilution floating catheter with a telescopic clean protective sleeve, which comprises a combination handle, the clean protective sleeve, a sealing device, a luer connector, a thermistor extension tube, a far-end extension tube, an inflation extension tube, a near-end extension tube, an infusion extension tube and a catheter, wherein the clean protective sleeve is made of a telescopic transparent material and is respectively connected and fixed on the combination handle and the luer connector through the sealing device, one end of the luer connector is connected in a stretching mode when in use, and the luer connector is matched with an expansion catheter sheath which is fixedly arranged in a human body through threads, so that the catheter exposed outside the human body can be protected from being polluted, and the infection possibility is reduced.

Description

Heat dilution floating catheter with telescopic clean protective sleeve

Technical Field

The utility model relates to the field of medical instruments, in particular to a protective cover of a heat dilution floating catheter for monitoring hemodynamics.

Background

The thermal dilution floating catheter is used for monitoring hemodynamics of intensive care patients, provides basis for clinical diagnosis, and is mainly used for measuring data indexes of cardiac output, blood sampling, intravenous administration, transfusion, continuous monitoring of pulmonary artery temperature and the like of the patients. When the device is operated, central venous puncture is performed percutaneously, a sheath is placed, a catheter of the hot dilution floating catheter is placed into a human body through the sheath through puncture of internal jugular vein, subclavian vein and femoral vein, the catheter enters the right atrium and the right ventricle to pulmonary artery through the upper or lower vena cava, the balloon is inflated after the catheter enters the right atrium, the balloon carrying the catheter floats into the right ventricle along with blood flow, and finally the catheter is placed into the pulmonary artery, so that pulmonary artery pressure and pulmonary capillary wedge pressure are measured.

The heat dilutes and floats the pipe has the advantage of putting into the convenience, high efficiency, the wound is little and do not influence patient's four limbs activity, be one of the indispensable medical technology in hospital emergency treatment, although present heat dilutes and floats the pipe and has strict disinfection, heat dilutes and floats the pipe when putting into the human body, partly pipe gets into human blood vessel, another part pipe is stayed outside the human body, the pipe of staying outside the human body lacks protection device, in monitoring patient data in-process, when the patient removes the health, when four limbs activity process, the pipe easily receives the pollution, especially heat dilutes and floats the pipe and mainly is used for critical patient's treatment, in case the pipe receives the pollution, the possibility that will increase patient's infection risk, increase life danger.

For critically ill patients, not only the cardiovascular function condition of critically ill patients needs to be judged, but also the catheters need not to be polluted in the monitoring process, so that bacteria and pollutants enter the body through blood through the catheters exposed outside the body, and the infection risk is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of making up the defects of the prior art and provides a hot dilution floating catheter with a telescopic clean protective sleeve.

The technical problem of the utility model can be solved by the following technical scheme:

a thermal dilution floating catheter with a telescopic clean protective sleeve comprises a catheter, a luer connector, a tip, a balloon, a vent hole and a connecting tube part;

the hot dilution floating catheter comprises a combined handle positioned on the catheter, and the catheter is connected with the connecting tube part through the combined handle;

the hot-dilution floatation catheter includes a clear protective sheath having light-transmissive properties that is threadingly connected to and freely movable between the coupling handle and the luer of the catheter.

The clean protective sheath is made for the polyethylene material, including the telescopic lateral wall, the both ends of clean protective sheath are equipped with the opening.

The opening of the clean protective sleeve is respectively connected with the combination handle and the Ruhr joint through a sealing device, and the sealing device is an O-shaped ring with certain elasticity or an adhesive sheet or a medical adhesive tape with sealing property.

The combined handle comprises a concave surface, a second channel and a fifth channel, the diameter of the concave surface is smaller than that of the second channel and that of the fifth channel, and the second channel, the concave surface and the fifth channel are in a shape of a ladder with a concave middle.

The luer connector comprises an interface surface and a cylinder, wherein the interface surface is positioned in the middle of the cylinder, and the diameter of the interface surface is smaller than that of the cylinder.

The luer connector comprises a liquid inlet pipe, and a threaded part is arranged in the liquid inlet pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the clean protective sleeve can be stretched in a prolonged way. After the heat dilution floating catheter is placed into a human body, one part of the catheter enters the blood vessel of the human body, the other part of the catheter is left outside the body, the cleaning protective sleeve is stretched at the moment, the luer connector on the cleaning protective sleeve is fixed on the expansion catheter sheath placed into the human body by a doctor, the cleaning protective sleeve is sleeved on the catheter exposed outside the body, and the catheter exposed outside the body is protected by the cleaning protective sleeve, so that the catheter is protected from external pollution, and the possibility of infection risk of a patient is reduced.

Luer that clean protective sheath anterior segment set up can put into the expansion catheter pin of human department with the doctor and link together, through fixed connection, can avoid clean protective sheath to retrieve because of tension.

The clean protective sleeve is simple and convenient to connect, low in cost, easy to produce in batches and high in practicability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a thermal dilution flotation catheter with a retractable cleaning sheath according to the present invention;

FIG. 2 is a schematic view of a sealing device of a hot dilution flotation catheter with a retractable cleaning sheath according to the present invention;

FIG. 3 is a schematic view of a combined handle structure of a hot dilution floatation catheter with a retractable cleaning protection sleeve according to the present invention;

FIG. 4 is a schematic view of a cleaning protective sheath of a hot-dilution floatation catheter with a retractable cleaning protective sheath according to the present invention;

fig. 5 is a schematic view of a luer fitting configuration of a hot-diluted floating catheter with a retractable clean boot according to the present invention.

Reference numbers in the figures:

1-a binding handle; 11-a first channel; 12-a second channel; 13-a third channel; 14-a concave surface; 15-a fifth channel; 16-a sixth channel; 2-cleaning a protective sleeve; 21-a first opening; 22-a second opening; 23-a side wall; 3-sealing means; a 4-luer fitting; 41-column; 42-interface surface; 43-liquid inlet pipe; 5-thermistor extension tube; 6-a distal extension tube; 7-inflating the extension tube; 8-a proximal extension tube; 9-an infusion extension tube; 10-a catheter; 101-a tip; 102-a balloon; 103-air vent.

Detailed Description

The utility model is further explained below on the basis of alternative embodiments and with reference to the drawings.

In addition, the various components on the drawings are enlarged (thick) or reduced (thin) for convenience of understanding, but this is not intended to limit the scope of the present invention.

Singular references also include plural references and vice versa.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, the orientations or positional relationships are merely for convenience of describing the present invention and simplifying the description, and the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, etc. may be used in the description to distinguish between different elements, but these should not be limited by the order of manufacture or by any other means as may indicate or imply relative importance, and the names may differ between the detailed description of the utility model and the claims.

The terminology used in the description is for the purpose of describing the embodiments of the utility model and is not intended to be limiting of the utility model. It is also to be understood that, unless otherwise expressly stated or limited, the terms "disposed," "connected," and "connected" are intended to be open-ended, i.e., may be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. Those skilled in the art will specifically understand that the above description is intended to be within the meaning of the present invention.

As shown in figure 1, the heat dilution floating catheter of the utility model comprises a combined handle 1 and a catheter 10, wherein the combined handle 1 and the catheter 10 are fixedly connected together through injection molding.

The heat dilution floating catheter further comprises a connecting tube part, the connecting tube part comprises a thermistor extension tube 5, a far-end extension tube 6, an inflation extension tube 7, a near-end extension tube 8 and an infusion extension tube 9, the thermistor extension tube 5, the far-end extension tube 6, the inflation extension tube 7, the near-end extension tube 8 and the infusion extension tube 9 are connected with the catheter 10 through a combination handle 1, and the thermistor extension tube 5, the far-end extension tube 6, the inflation extension tube 7, the near-end extension tube 8 and the infusion extension tube 9 are located at one end and the same side position of the combination handle 1.

The hot dilution floating catheter further comprises a balloon 102 and a tip 101 connected with the balloon 102, two ends of the balloon 102 are bonded to the catheter 10 through medical adhesive and are adjacent to the tip 101, a vent hole 103 is formed in the catheter 10 and is located adjacent to the tip 101, the vent hole 103 is located inside the balloon 102, and the tip 101, the balloon 102 and the vent hole 103 are located at one end of the combination handle 1.

The hot dilution floating catheter further comprises a clean protective sleeve 2 and a luer connector 4, wherein the clean protective sleeve 2 is connected with the combination handle 1 and the luer connector 4 through a sealing device 3.

Specifically, the combination handle 1 comprises a first channel 11, and a second channel 12 and a third channel 13 which are positioned at two sides of the first channel 11, wherein the diameters of the second channel 12 and the third channel 13 are the same.

The combined handle 1 also comprises a fifth channel 15 and a sixth channel 16, wherein the diameter of the fifth channel 15 is the same as that of the second channel 12, and the diameter of the sixth channel 16 is smaller than that of the fifth channel 15.

The combined handle 1 further comprises a concave surface 14 positioned between the fifth channel 15 and the second channel 12, and the diameter of the concave surface 14 is smaller than the diameters of the fifth channel 15 and the second channel 12. The second channel 12, the concave surface 14 and the fifth channel 15 are in a shape of a step with a concave middle.

The concave surface 14 is used for placing the sealing device 3 and connecting the clean protective sleeve 2 with the combination handle 1.

Clean protective sheath 2 is made by transparent material's polyethylene material, has the light transmissivity, is used for clearly observing the inside condition of clean protective sheath 2, the side setting of clean protective sheath 2 has flexible function's lateral wall 23 for save space, portable, tensile clean protective sheath 2 when needs use, the protection contacts with human end and exposes at external pipe 10 and is difficult for receiving the pollution.

The length of the clean protective sheath 2 is not less than the length of the catheter between the combining handle 1 and the luer 4, so that when the hot-dilution floating catheter is used, the clean protective sheath 2 can freely stretch to protect the catheter 10 outside the human body.

The polyethylene material has good plasticity, the clean protective sleeve 2 comprises a first opening 21 for the entrance and exit of the combination handle 1 and a second opening 22 in contact with the luer 4, the first opening 21 is sleeved on the surface of the second channel 12 to wrap the second channel 12, the concave surface 14, the fifth channel 15 and the sixth channel 16 inside the clean protective sleeve 2, the sealing device 3 is matched at the edge of the first opening 21 in contact with the combination handle 1, the clean protective sleeve 2 is fixed on the concave surface 14 through the sealing device 3, and the diameter of the concave surface 14 is smaller than the diameter of the second channel 12 and the fifth channel 15, so when the sealing device 3 is placed on the concave surface 14, the clean protective sleeve 2 is favorably fixed at a designated position on the surface of the combination handle 1 without falling off, and the inside of the clean protective sleeve 2 has good sealing performance, the catheter 10 for protecting the inside of the clean protective sheath 2 from contamination due to external infectious agents.

In an alternative embodiment, the sealing device 3 is an O-ring with certain elasticity, and alternatively, the sealing device 3 can also be configured as an adhesive patch or medical tape with sealing property.

The luer connector 4 comprises a cylinder 41, a concave interface surface 42 is arranged in the middle of the cylinder 41, the diameter of the cylinder 41 is larger than that of the interface surface 42, the second opening 22 of the clean protective sleeve 2 is placed on the surface of the cylinder 41, a sealing device 3 is matched at the edge of the second opening 22, which is in contact with the luer connector 4, the clean protective sleeve 2 is fixed on the interface surface 42 through the sealing device 3, the interface surface 42 is an inner concave part of the cylinder 41, so that when the sealing device 3 is placed on the interface surface 42, the clean protective sleeve 2 is favorably fixed on the surface of the cylinder 41 and cannot fall off, and because the luer connector 4 is not fixed on the conduit 10, the conduit 10 only passes through the luer connector 4 in a penetrating manner, and the luer connector 4 can be pulled according to actual conditions when in use.

The other end of the luer connector 4 further comprises a liquid inlet pipe 43, the liquid inlet pipe 43 is internally provided with threads and can be matched and connected with a dilatation catheter sheath which is placed into a human body by a clinician, when the luer connector is used, the tip 101 of the hot dilution floating catheter is punctured into the human body through the dilatation catheter sheath on the skin of a patient, the balloon 102 is inflated through the vent hole 103 through the inflation extension pipe 7, the balloon 102 floats into the right ventricle along with the tip 101 of the blood flow carrying catheter and is finally placed into the pulmonary artery, the tip 101 of the hot dilution floating catheter partially places the carrying catheter 10 into the body, part of the catheter 10 is exposed out of the skin, the clean protective sleeve 2 is stretched at the moment, the clean protective sleeve 2 is sleeved on the catheter 10 connected with the tip 101, so that the catheter 10 which is connected with the tip 101 and is not placed into the human body is not exposed in the air, and the possibility of infection is reduced.

While the utility model has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit of the utility model, and it is intended to claim all such changes and modifications as fall within the scope of the appended claims.

Claims (7)

1. The utility model provides a heat dilutes and floats pipe with scalable clean protective sheath, includes pipe, luer joint, pointed end, sacculus, air vent and connecting tube portion, its characterized in that:

the hot dilution floating catheter comprises a combined handle positioned on the catheter, and the catheter is connected with the connecting tube part through the combined handle;

the hot-dilution floatation catheter includes a clear protective sheath having light-transmissive properties that is threadingly connected to and freely movable between the coupling handle and the luer of the catheter.

2. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the clean protective sheath includes the telescopic lateral wall, the both ends of clean protective sheath are equipped with the opening.

3. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the clean protective sheath is made of polyethylene material.

4. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the opening of the clean protective sleeve is respectively connected with the combination handle and the Ruhr joint through a sealing device, and the sealing device is an O-shaped ring with certain elasticity or an adhesive sheet or a medical adhesive tape with sealing property.

5. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the combined handle comprises a concave surface, a second channel and a fifth channel, the diameter of the concave surface is smaller than that of the second channel and that of the fifth channel, and the second channel, the concave surface and the fifth channel are in a shape of a ladder with a concave middle.

6. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the luer connector comprises an interface surface and a cylinder, wherein the interface surface is positioned in the middle of the cylinder, and the diameter of the interface surface is smaller than that of the cylinder.

7. The thermally diluted flotation catheter with retractable sanitary protection cover according to claim 1, wherein:

the luer connector comprises a liquid inlet pipe, and a threaded part is arranged in the liquid inlet pipe.

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