Medical catheter

Abstract

The utility model provides a medical catheter, which belongs to the field of catheters, and comprises a medical catheter body, a liquid inlet hole, a catheter connecting tube, a fixing mechanism, a sampling mechanism and a connecting mechanism. The medical adhesive tape is adhered to the tops of the two fixing pieces, and the medical adhesive tape is adhered to the human body, so that the medical catheter body can be fixed on the human body, the medical catheter body is prevented from moving after being inserted into the human body, and the stability of the medical catheter body is improved; the catheter connecting pipe and the rubber plug are connected together through the connecting rope, the rubber plug is prevented from falling off, the rubber plug is movably inserted into the sampling pipe, the sampling pipe can be plugged, and the problem that in the prior art, a medical catheter is not easy to fix can be solved.

Description

Technical Field

[0001] The utility model belongs to the field of catheters, and in particular relates to a medical catheter. Background Art

[0002] Medical catheters are usually used to enter the human body to inject diagnostic or therapeutic drugs. During the application process, the catheter needs to have a certain strength.

[0003] The authorization publication number "CN209004984U" records "a medical catheter, belonging to the field of medical pipes, including an inner layer and an outer layer, the inner layer is a PVA layer, and the outer layer is at least one of a PVC layer, a PET layer, and a POF layer. In the utility model, the inner layer and the outer layer are light in weight, the PVA layer is non-toxic and harmless, has no adverse effects on human health, and has good flexibility, but its strength is not high enough. The PVC layer, the PET layer, and the POF layer all have good strength. When the inner layer and the outer layer are combined, the flexibility and strength of the formed medical catheter can be adjusted to have good flexibility and strength at the same time. In addition, in the outer layer, the PVC layer, the PET layer, and the POF layer all have good anti-corrosion functions."

[0004] The above patent has a good anti-corrosion function, but it is not easy to implement fixation. When the catheter is inserted into the human body, the catheter is not fixed, causing the catheter to move, thereby affecting the catheter's delivery of liquid. Utility Model Content

[0005] The utility model aims to provide a medical catheter, aiming to solve the problem that the medical catheter in the prior art is difficult to fix.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A medical catheter, comprising:

[0008] Medical catheter tube body;

[0009] There are two liquid inlet holes, both of which are opened on the circumferential surface of the medical catheter body;

[0010] A fixing mechanism is provided on the medical catheter body, and is used to fix the medical catheter body on the human body;

[0011] A catheter connecting tube is arranged on the medical catheter body;

[0012] A sampling mechanism is provided on the catheter connecting tube; and

[0013] The connecting mechanism is arranged on the catheter connecting pipe.

[0014] As a preferred solution of the utility model, the fixing mechanism includes a through hole, a medical tape and a fixing sheet, two fixing sheets are provided, both of the two fixing sheets are fixedly connected to the circumferential surface of the medical catheter body, and the two fixing sheets are symmetrically arranged, the medical tape is movably sleeved on the medical catheter body, and the through hole is opened at the top of the medical tape.

[0015] As a preferred solution of the utility model, the sampling mechanism includes a connecting rope and a rubber plug, the connecting rope is fixedly connected to the circumferential surface of the catheter connecting tube, the rubber plug is movably inserted into the sampling tube, and the rubber plug is fixedly connected to the connecting rope.

[0016] As a preferred solution of the utility model, the connecting mechanism includes an infusion tube, an externally threaded tube and an internally threaded groove, the internally threaded groove is opened on the circumferential surface of the catheter connecting tube, the externally threaded tube is threadedly connected in the internally threaded groove, and the infusion tube is fixedly connected to one end of the externally threaded tube.

[0017] As a preferred solution of the utility model, a rotating protrusion is fixedly connected to the circumferential surface of the infusion tube.

[0018] As a preferred solution of the utility model, the catheter connecting tube is fixedly connected to one end of the medical catheter body.

[0019] As a preferred solution of the utility model, the through hole is large enough to pass through two fixing sheets.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. In this solution, the through hole is provided so that the medical tape can pass through the two fixing plates and move to the top of the fixing plates. The medical tape is adhered to the top of the two fixing plates, and the medical tape is adhered to the human body, so that the medical catheter body can be fixed on the human body, preventing the medical catheter body from moving after being inserted into the human body, thereby improving the stability of the medical catheter body, and the sampling tube is provided for doctors to take samples.

[0022] 2. In this solution, the connection rope is provided to connect the catheter connecting tube and the rubber plug together to prevent the rubber plug from falling off. The rubber plug is movably inserted into the sampling tube to block the sampling tube. The external threaded tube is threaded into the internal threaded groove, so that the external threaded tube is easy to install and disassemble with the catheter connecting tube. The size of the through hole can pass through two fixing plates, so that the medical tape can be put on the medical catheter body before the medical catheter body is used. The medical catheter body and the medical tape are split, so that the medical catheter body and the medical tape are easy to assemble and transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 It is a cross-sectional view of the utility model;

[0026] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;

[0027] Figure 4 For this utility model Figure 2 The enlarged view of point B in the middle;

[0028] Figure 5 For this utility model Figure 2 Enlarged view of point C in the middle.

[0029] In the figure: 1. medical catheter body; 2. through hole; 3. medical tape; 4. sampling tube; 5. catheter connecting tube; 6. infusion tube; 7. rotating bump; 8. external threaded tube; 9. internal threaded groove; 10. connecting rope; 11. rubber plug; 12. fixing plate; 13. liquid inlet hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] See also Figure 1-Figure 5 , the technical solution provided by this embodiment is as follows:

[0033] A medical catheter comprises a medical catheter body 1, a liquid inlet hole 13, a catheter connecting tube 5, a fixing mechanism, a sampling mechanism and a connecting mechanism. Two liquid inlet holes 13 are provided, and both of the two liquid inlet holes 13 are opened on the circumferential surface of the medical catheter body 1. The catheter connecting tube 5 is arranged on the medical catheter body 1.

[0034] In a specific embodiment of the utility model, the two liquid inlet holes 13 are provided for liquid to enter the medical catheter body 1. The provision of the two liquid inlet holes 13 can increase the speed at which the liquid enters the medical catheter body 1. The medical catheter body 1 is connected to the catheter connecting tube 5, so that the medical catheter body 1 is communicated with the catheter connecting tube 5.

[0035] Specifically, the fixing mechanism is arranged on the medical catheter body 1, and the fixing mechanism is used to fix the medical catheter body 1 on the human body. The fixing mechanism includes a through hole 2, a medical tape 3 and a fixing sheet 12. Two fixing sheets 12 are provided, and the two fixing sheets 12 are fixedly connected to the circumferential surface of the medical catheter body 1, and the two fixing sheets 12 are symmetrically arranged. The medical tape 3 is movably sleeved on the medical catheter body 1, and the through hole 2 is opened at the top of the medical tape 3.

[0036] In a specific embodiment of the utility model, the two fixing sheets 12 are used to connect the medical tape 3. The through hole 2 is provided so that the medical tape 3 can pass through the two fixing sheets 12 and move to the top of the fixing sheet 12. The medical tape 3 is adhered to the top of the two fixing sheets 12, and the medical tape 3 is adhered to the human body, so that the medical catheter body 1 can be fixed on the human body, preventing the medical catheter body 1 from moving after being inserted into the human body, thereby improving the stability of the medical catheter body 1.

[0037] Specifically, the sampling mechanism is arranged on the catheter connecting tube 5, and the sampling mechanism includes a connecting rope 10 and a rubber plug 11. The connecting rope 10 is fixedly connected to the circumferential surface of the catheter connecting tube 5, and the rubber plug 11 is movably inserted into the sampling tube 4, and the rubber plug 11 is fixedly connected to the connecting rope 10.

[0038] In a specific embodiment of the utility model, the sampling tube 4 is provided for doctors to take samples, and the connecting rope 10 is provided for connecting the catheter connecting tube 5 and the rubber plug 11 together to prevent the rubber plug 11 from falling off. The rubber plug 11 is movably inserted into the sampling tube 4 to block the sampling tube 4. Since the rubber plug 11 is movably inserted into the sampling tube 4, the rubber plug 11 is easy to be pulled out of the sampling tube 4.

[0039] Specifically, the connecting mechanism is arranged on the catheter connecting tube 5, and the connecting mechanism includes an infusion tube 6, an externally threaded tube 8 and an internally threaded groove 9. The internally threaded groove 9 is opened on the circumferential surface of the catheter connecting tube 5, the externally threaded tube 8 is threadedly connected in the internally threaded groove 9, and the infusion tube 6 is fixedly connected to one end of the externally threaded tube 8.

[0040] In a specific embodiment of the utility model, the internal thread groove 9 is used to connect the external threaded tube 8, and the external threaded tube 8 is threadedly connected to the internal threaded groove 9, so that the external threaded tube 8 can be easily installed and disassembled with the catheter connecting tube 5. The external threaded tube 8 is used to connect the infusion tube 6, and the infusion tube 6 is used to transport liquid.

[0041] Specifically, a rotating protrusion 7 is fixedly connected to the circumferential surface of the infusion tube 6 .

[0042] In a specific embodiment of the utility model, the external threaded tube 8 is easily rotated by setting the rotating protrusion 7, so that the external threaded tube 8 is easily separated from the catheter connecting tube 5.

[0043] Specifically, the catheter connecting tube 5 is fixedly connected to one end of the medical catheter body 1 .

[0044] In a specific embodiment of the present invention, the catheter connecting tube 5 is fixedly connected to one end of the medical catheter body 1 .

[0045] Specifically, the through hole 2 is large enough to pass through two fixing sheets 12 .

[0046] In a specific embodiment of the utility model, the through hole 2 is large enough to pass through two fixing plates 12, so that the medical tape 3 can be put on the medical catheter tube body 1 before the medical catheter tube body 1 is used. The medical catheter tube body 1 and the medical tape 3 are split, so that the medical catheter tube body 1 and the medical tape 3 are easy to assemble and transport.

[0047] The working principle or working process of the medical catheter provided by the utility model is as follows: the medical tape 3 can pass through the two fixing plates 12 and move to the top of the fixing plate 12 through the setting of the through hole 2, and the medical tape 3 is adhered to the top of the two fixing plates 12, and the medical tape 3 is adhered to the human body, so that the medical catheter body 1 can be fixed on the human body, preventing the medical catheter body 1 from moving after being inserted into the human body, thereby improving the stability of the medical catheter body 1, and the sampling tube 4 is set for doctors to take samples, and the connection rope 10 is set for connecting the catheter connecting tube 5 and the rubber plug The rubber plug 11 is connected together to prevent the rubber plug 11 from falling off. The rubber plug 11 is movably inserted into the sampling tube 4 to block the sampling tube 4. The external threaded tube 8 is threadedly connected to the internal threaded groove 9, so that the external threaded tube 8 is easy to install and disassemble with the catheter connecting tube 5. The size of the through hole 2 can pass through two fixing plates 12, so that the medical tape 3 can be put on the medical catheter tube body 1 before the medical catheter tube body 1 is used. The medical catheter tube body 1 and the medical tape 3 are split, so that the medical catheter tube body 1 and the medical tape 3 are easy to assemble and transport.

[0048] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A medical catheter, characterized in that: include: Medical catheter tube body (1); Two liquid inlet holes (13) are provided, and both of the two liquid inlet holes (13) are opened on the circumferential surface of the medical catheter body (1); A fixing mechanism, arranged on the medical catheter body (1), the fixing mechanism being used to fix the medical catheter body (1) on the human body; A catheter connecting tube (5) is arranged on the medical catheter body (1); A sampling mechanism is provided on the catheter connecting tube (5); and The connecting mechanism is arranged on the catheter connecting pipe (5).

2. A medical catheter according to claim 1, characterized in that: The fixing mechanism comprises a through hole (2), a medical tape (3) and a fixing sheet (12), wherein two fixing sheets (12) are provided, and both fixing sheets (12) are fixedly connected to the circumferential surface of the medical catheter body (1), and the two fixing sheets (12) are symmetrically arranged, the medical tape (3) is movably sleeved on the medical catheter body (1), and the through hole (2) is opened at the top of the medical tape (3).

3. A medical catheter according to claim 2, characterized in that: The sampling mechanism comprises a connecting rope (10) and a rubber plug (11), wherein the connecting rope (10) is fixedly connected to the circumferential surface of the catheter connecting tube (5), the rubber plug (11) is movably inserted into the sampling tube (4), and the rubber plug (11) is fixedly connected to the connecting rope (10).

4. A medical catheter according to claim 3, characterized in that: The connection mechanism comprises an infusion tube (6), an externally threaded tube (8) and an internally threaded groove (9); the internally threaded groove (9) is formed on the circumferential surface of the catheter connection tube (5); the externally threaded tube (8) is threadedly connected to the internally threaded groove (9); and the infusion tube (6) is fixedly connected to one end of the externally threaded tube (8).

5. A medical catheter according to claim 4, characterized in that: A rotating convex block (7) is fixedly connected to the circumferential surface of the infusion tube (6).

6. A medical catheter according to claim 5, characterized in that: The catheter connecting tube (5) is fixedly connected to one end of the medical catheter body (1).

7. A medical catheter according to claim 6, characterized in that: The through hole (2) is large enough to pass through two fixing plates (12).

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