Medical catheter with spiral inner cavity

Abstract

The medical catheter with the spiral inner cavity comprises a catheter body, a fixing ring, a fixing plate and a spiral inner tube, the spiral inner tube is arranged in the catheter body in a connected mode, the catheter body is movably connected with the spiral inner tube, fixing pieces are arranged on the two sides in the catheter body in a connected mode, and the fixing pieces are movably connected with the fixing ring. The catheter body is fixedly connected with the fixing piece. The two sets of fixing pieces are arranged at the two ends of the interior of the catheter body, when the spiral inner tube is inserted into the catheter body, the positions of the two ends of the spiral inner tube can be fixed through the fixing pieces, meanwhile, due to the spiral arrangement of the spiral inner tube, the staying time of liquid medicine in the catheter body can be prolonged, and therefore the liquid medicine is more stable. Meanwhile, the medicine liquid can be uniformly heated, and the spiral inner pipe can be quickly disassembled and replaced through the arrangement of a fixing piece.

Description

Technical Field

[0001] The utility model relates to the technical field of medical catheters, in particular to a medical catheter with a spiral inner cavity. Background Art

[0002] In the medical field, in order to relieve the pain of patients during surgery, when infusing patients, it is necessary to use medical catheters to transmit liquid medicines, and to inject diagnostic or therapeutic drugs through medical catheters. During the application process, the catheter needs to have a certain strength.

[0003] A medical catheter disclosed in the Chinese utility model patent application disclosure CN209004984U uses a PVA layer as an inner layer and at least one of a PVC layer, a PET layer, and a POF layer as an outer layer, which is manufactured by co-extrusion molding with the inner layer, thereby helping to improve the overall mechanical strength and flexibility of the formed medical catheter. A reinforcing layer is coated on the outside of the outer layer by co-extrusion molding, which helps to further improve the overall mechanical strength and flexibility of the formed medical catheter. However, the overall functionality of the medical catheter is single, and it is not convenient to heat the liquid medicine when the liquid medicine is transmitted in the catheter, resulting in faster heat dissipation of the overall liquid medicine. Utility Model Content

[0004] The purpose of the utility model is to provide a medical catheter with a spiral inner cavity to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a medical catheter with a spiral inner cavity, comprising a catheter body, a fixing ring, a fixing plate and a spiral inner tube, the inner part of the catheter body is connected with a spiral inner tube, the catheter body and the spiral inner tube are movably connected, the two sides of the interior of the catheter body are connected with fixing parts, and the catheter body and the fixing parts are fixedly connected.

[0006] Preferably, annular grooves are evenly and equidistantly arranged on one side of the exterior of the catheter body, and balls are evenly and equidistantly arranged on both sides of the interior of the annular groove, and the annular groove and the balls are in sliding connection.

[0007] Preferably, a fixing ring is provided on the outside of the annular groove, and the annular groove and the fixing ring are rotatably connected.

[0008] Preferably, a fixing plate is connected to one side of the fixing ring, and the fixing ring and the fixing plate are fixedly connected.

[0009] Preferably, one side of the fixing plate is connected with adhesive, and the fixing plate and the adhesive are fixedly connected.

[0010] Preferably, the internal connection of the fixing member is provided with a spiral inner tube, and the fixing member and the spiral inner tube are movably connected.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The medical catheter with a spiral inner cavity has two sets of fixing parts at both ends of the catheter body. When the spiral inner tube is inserted into the catheter body, the fixing parts can fix the positions of the two ends of the spiral inner tube. At the same time, due to the spiral setting of the spiral inner tube, the residence time of the drug solution in the catheter body can be increased, and the drug solution can be heated evenly. In addition, the setting of the fixing parts can quickly remove and replace the spiral inner tube, thereby improving the flexibility of the use of the medical catheter.

[0013] 2. This kind of medical catheter with a spiral inner cavity is provided with a fixing ring on the outside of the catheter body. By rotating the fixing ring on the outside of the catheter body, the fixing ring can drive the fixing plate to adjust a suitable angle. At this time, the adhesive on one side of the fixing plate can be quickly adhered to the external object, thereby quickly completing the position fixation of the medical catheter. The operation is simple and convenient, and the stability of the use of the medical catheter is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a front view structural schematic diagram of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 It is a schematic diagram of the overall structure of the fixing member of the utility model.

[0018] In the figure: 1. catheter body; 101. annular groove; 102. ball bearing; 2. fixing ring; 3. fixing plate; 301. adhesive; 4. spiral inner tube; 5. fixing piece. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4The utility model provides an embodiment: a medical catheter with a spiral inner cavity, comprising a catheter body 1, a fixing ring 2, a fixing plate 3 and a spiral inner tube 4, an annular groove 101 is evenly arranged at an equal distance on one side of the outer side of the catheter body 1, and each segment of the outer side of the catheter body 1 is provided with an annular groove 101, so as to facilitate the installation and sleeve connection of the fixing ring 2;

[0021] Ball bearings 102 are evenly arranged at equal distances on both sides of the annular groove 101. The annular groove 101 and the ball bearings 102 are in sliding connection. The ball bearings 102 can reduce the friction generated by the rotation of the fixing ring 2 outside the catheter body 1, thereby ensuring the stability of the rotation of the fixing ring 2.

[0022] The annular groove 101 is externally connected with a fixing ring 2, the annular groove 101 and the fixing ring 2 are rotatably connected, a fixing plate 3 is connected to one side of the fixing ring 2, the fixing ring 2 and the fixing plate 3 are fixedly connected, an adhesive 301 is connected to one side of the fixing plate 3, the fixing plate 3 and the adhesive 301 are fixedly connected, the fixing ring 2 rotates outside the catheter body 1, the fixing ring 2 can drive the fixing plate 3 to adjust different pasting angles, and at the same time, the adhesive 301 is provided on one side of the fixing plate 3 to facilitate the pasting of the fixing plate 3;

[0023] The internal connection of the catheter body 1 is provided with a spiral inner tube 4, and the catheter body 1 and the spiral inner tube 4 are movably connected. The spiral inner tube 4 is spirally wound inside the catheter body 1, thereby increasing the residence time of the liquid medicine inside the spiral inner tube 4 in the catheter body 1, which is convenient for heating the liquid medicine;

[0024] Fixing members 5 are provided at both sides of the catheter body 1, and the catheter body 1 and the fixing members 5 are fixedly connected. A spiral inner tube 4 is provided inside the fixing member 5, and the fixing member 5 and the spiral inner tube 4 are movably connected. Two groups of fixing members 5 are provided at both ends of the catheter body 1, so that the positions of the two ends of the spiral inner tube 4 can be fixed, thereby ensuring the stability of the spiral inner tube 4 fixed inside the catheter body 1.

[0025] When the embodiment of the present application is in use: the spiral inner tube 4 is installed inside the catheter body 1, and the fixing parts 5 are fixedly connected on both sides of the catheter body 1. The positions of the two ends of the spiral inner tube 4 can be fixed by the fixing parts 5, and the fixing ring 2 can be rotated outside the catheter body 1, so that the fixing ring 2 drives the fixing plate 3 to adjust to a suitable adhesion, and the fixing plate 3 is adhered to the external object through the adhesive 301 on one side of the fixing plate 3, so that the position of the medical catheter can be quickly fixed. At this time, the external drug liquid can be transmitted through the spiral inner tube 4 inside the catheter body 1, and there are multiple groups of spiral inner tubes 4 surrounding the catheter body 1, which can increase the time difference of the drug liquid passing through, and the drug liquid inside the spiral inner tube 4 can be evenly heated by an external heating device.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A medical catheter with a spiral lumen, characterized in that , comprising a catheter body (1), a fixing ring (2), a fixing plate (3) and a spiral inner tube (4); the catheter body (1) is internally connected with a spiral inner tube (4); the catheter body (1) and the spiral inner tube (4) are movably connected; fixing members (5) are connected on both sides of the interior of the catheter body (1); the catheter body (1) and the fixing member (5) are fixedly connected.

2. A medical catheter with a spiral lumen according to claim 1, characterized in that: An annular groove (101) is evenly and evenly arranged on one side of the outside of the catheter body (1), and balls (102) are evenly and evenly arranged on both sides of the inside of the annular groove (101), and the annular groove (101) and the balls (102) are in sliding connection.

3. The medical catheter with a spiral lumen according to claim 2, characterized in that: A fixing ring (2) is provided on the outside of the annular groove (101), and the annular groove (101) and the fixing ring (2) are rotatably connected.

4. The medical catheter with a spiral lumen according to claim 3, characterized in that: A fixing plate (3) is connected to one side of the fixing ring (2), and the fixing ring (2) and the fixing plate (3) are fixedly connected.

5. The medical catheter with a spiral lumen according to claim 4, characterized in that: One side of the fixing plate (3) is connected with an adhesive glue (301), and the fixing plate (3) and the adhesive glue (301) are fixedly connected.

6. The medical catheter with a spiral lumen according to claim 1, characterized in that: The fixing member (5) is internally connected with a spiral inner tube (4), and the fixing member (5) and the spiral inner tube (4) are movably connected.

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