Assembled venous catheter device

Abstract

The utility model belongs to the field of venous catheters, and provides an assembled venous catheter device which comprises a first communicating pipe and a second communicating pipe, the second communicating pipe comprises a cannula fixedly communicated with one end of the second communicating pipe, and the first communicating pipe is provided with a limiting assembly used for limiting the first communicating pipe on the second communicating pipe. A dredging assembly used for extruding the second communicating pipe is arranged on the surface of the second communicating pipe. According to the central venous catheter, the torsional spring can be driven to rotate by pinching the two rotating rods, so that the clamping blocks can be tilted, after the second communicating pipe is installed, the two rotating rods are loosened, the torsional spring is reset, the two clamping blocks are clamped in the two clamping grooves respectively, the effect of fixing the position of the second communicating pipe is achieved, and compared with an existing central venous catheter, the central venous catheter is convenient to use. According to the device, the effect of rapidly installing the first communicating pipe and the second communicating pipe can be achieved, the first communicating pipe and the second communicating pipe which are connected in an inserted mode can be limited through the clamping blocks and the clamping grooves, and the connecting stability of the first communicating pipe and the second communicating pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of intravenous catheter, concretely is a kind of assembled intravenous catheter device. BACKGROUND

[0002] Intravenous catheter is a kind of medical equipment, for directly delivering drug, nutrient solution or blood into the blood circulation of patient, it can also be used to extract blood sample or monitor central venous pressure, in the process of using intravenous catheter, it needs to prevent infection and other complications, for example, regular replacement catheter and dressing, keep cannula site clean and dry, and correctly handle and fix catheter are important nursing measures.

[0003] In the Chinese utility model patent with the announcement number CN204699215U discloses a central venous catheter, including: built-in pipe, fixer, connecting hose, clip, connector;Built-in pipe, fixer, connecting hose, connector are connected in turn, clip is arranged on connecting hose, and pipe is selectively sealed by the slot formed in clip;Connecting hose is two sections, and the first end of first section is connected with fixer, the central venous catheter of the utility model adopts two sections, for the second section that is easy to break, when damage occurs, it can be replaced in time, without pulling out the whole central venous catheter and re-performing catheterization operation, greatly reduce the pain of patient, also save equipment, reduce the medical cost of patient.

[0004] For the related technology in the above, the inventor considers that there are the following defects: the two sections of the central venous catheter can be separated after insertion due to the lack of fixing mechanism.

[0005] Therefore, the skilled in the art proposes an assembled intravenous catheter device to solve the problems raised in the background art. CONTENT OF UTILITY MODEL

[0006] In order to solve the above technical problems, the utility model provides an assembled intravenous catheter device to solve the problem that the two sections of central venous catheter can be separated after insertion due to the lack of fixing mechanism in the prior art.

[0007] An assembled intravenous catheter device, comprising a first communication pipe and a second communication pipe, the second communication pipe comprises a cannula fixedly communicated with one end thereof, the first communication pipe is provided with a limiting assembly for limiting the first communication pipe on the second communication pipe, and the surface of the second communication pipe is provided with a dredging assembly for extruding the second communication pipe;

[0008] The limiting assembly comprises a mounting ring fixedly sleeved on the surface of the first communicating pipe, two symmetrically arranged mounting grooves formed in the mounting ring, a connecting rod fixedly connected in the mounting groove, a rotating rod rotatably connected on the surface of the connecting rod, and a clamping block fixedly connected on the surface of the rotating rod.

[0009] Preferably, the surface of the connecting rod is sleeved with two symmetrically arranged torsion springs, one end of the two torsion springs is fixedly connected with the mounting groove, and the other end of the two torsion springs is fixedly connected with one side of the rotating rod.

[0010] Preferably, one end of the second communicating pipe is fixedly connected with two symmetrically arranged insertion rods, and one end of the first communicating pipe is formed with two symmetrically arranged insertion grooves matched with the insertion rods.

[0011] Preferably, the insertion pipe comprises a rubber ring fixedly sleeved on the surface thereof and an annular groove formed in the first communicating pipe.

[0012] Through the above technical scheme, when in use, the application scenario of the device is to conveniently limit the first communicating pipe and the second communicating pipe after splicing. Specifically, the insertion pipe on the second communicating pipe is inserted into the first communicating pipe, the rubber ring and the annular groove can make the second communicating pipe tightly inserted on the first communicating pipe, the two rotating rods are pinched to drive the torsion springs to rotate, so as to lift the clamping blocks, when the second communicating pipe is installed, the two rotating rods are released, the torsion springs are reset, and the two clamping blocks are respectively clamped in the two clamping grooves, thereby achieving the effect of fixing the position of the second communicating pipe. Compared with the existing central venous catheter, the device can quickly install the first communicating pipe and the second communicating pipe, and can limit the first communicating pipe and the second communicating pipe after splicing through the clamping blocks and the clamping grooves, thereby improving the connection stability of the first communicating pipe and the second communicating pipe.

[0013] Preferably, the dredging assembly comprises a rectangular frame slidably connected on the surface of the second communicating pipe, two symmetrically arranged sliding rods slidably connected in the rectangular frame, two symmetrically arranged sliding grooves formed in the rectangular frame, and a mounting block slidably connected in the sliding groove, the mounting block is a "U"-shaped structure, a pressure roller is rotatably connected in the mounting block, and one end of the sliding rod is fixedly connected with one side of the mounting block.

[0014] Preferably, one end of the sliding rod is fixedly connected with a pressing block, a spring is sleeved on the surface of the sliding rod, one end of the spring is fixedly connected with one side of the pressing block, and the other end of the spring is fixedly connected with the side surface of the rectangular frame.

[0015] Through the above technical scheme, when in use, the rectangular frame is slid on the surface of the second communicating pipe, and the two pressing blocks are pressed, so that the two mounting blocks are moved in the sliding groove, and the two pressing rollers can press the second communicating pipe, so that the place where the flow in the second communicating pipe is not smooth can be dredged.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1、The utility model discloses a first communicating pipe and a second communicating pipe are connected through the insertion of the second communicating pipe into the first communicating pipe, and the second communicating pipe is inserted tightly on the first communicating pipe through the rubber ring and the annular groove, and the torsional spring is rotated by pinching the two rotating rods, so that the clamping block is lifted, and when the second communicating pipe is installed, the two rotating rods are loosened, and the torsional spring is reset, so that the two clamping blocks are clamped in the two clamping grooves respectively, and the position of the second communicating pipe is fixed.

[0018] 2、The utility model discloses a rectangular frame is slid on the surface of the second communicating pipe, and the two pressing blocks are pressed, so that the two mounting blocks are moved in the sliding groove, and the two pressing rollers can press the second communicating pipe, so that the place where the flow in the second communicating pipe is not smooth can be dredged. ACCURACY

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged structure schematic diagram of A in the middle;

[0021] Figure 3 It is the overhead structure schematic diagram of the first communicating pipe;

[0022] Figure 4 It is the enlarged structure schematic diagram of B in the middle; Figure 3

[0023] Figure 5 It is the side structure schematic diagram of the rectangular frame.

[0024] In the drawing:

[0025] ​1, first communication pipe; 101, mounting ring; 102, mounting groove; 103, connecting rod; 104, rotating rod; 105, torsional spring; 106, clamping block; 2, second communication pipe; 201, cannula; 202, clamping groove; 203, rubber ring; 204, insertion rod; 3, rectangular frame; 301, sliding rod; 302, sliding groove; 303, mounting block; 304, compression roller; 305, pressing block; 306, spring. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0027] Example 1: as shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 5 The utility model provides a kind of assembled intravenous catheter device, including first communication pipe 1 and second communication pipe 2, second communication pipe 2 includes the cannula 201 being fixedly communicated at one end thereof, first communication pipe 1 is provided with the limiting assembly for being limited on second communication pipe 2, the surface of second communication pipe 2 is provided with the dredging assembly for extruding second communication pipe 2.

[0028] Limiting assembly includes mounting ring 101 being fixedly sleeved on the surface of first communication pipe 1, two symmetrically arranged mounting grooves 102 being opened in mounting ring 101, connecting rod 103 being fixedly connected in mounting groove 102, rotating rod 104 being rotationally connected on the surface of connecting rod 103 and clamping block 106 being fixedly connected on the surface of rotating rod 104, the surface of second communication pipe 2 is provided with the clamping groove 202 matched with clamping block 106.

[0029] The surface of connecting rod 103 is sleeved with two symmetrically arranged torsional springs 105, one end of two torsional springs 105 is fixedly connected with mounting groove 102, the other end of two torsional springs 105 is fixedly connected with one side of rotating rod 104.

[0030] One end of second communication pipe 2 is fixedly connected with two symmetrically arranged insertion rods 204, one end of first communication pipe 1 is provided with two symmetrically arranged insertion slots, and the insertion slot is matched with the insertion rod 204.

[0031] Cannula 201 includes rubber ring 203 being fixedly sleeved on the surface thereof and annular groove being opened in first communication pipe 1.

[0032] From the above, in use, the application scenario of the device is to conveniently limit the first communication pipe 1 and the second communication pipe 2 after splicing, and the specific operation is that the spigot 201 on the second communication pipe 2 is inserted into the first communication pipe 1, the second communication pipe 2 is tightly inserted on the first communication pipe 1 through the rubber ring 203 and the annular groove, the torsional spring 105 is driven to rotate by pinching the two rotating rods 104, so that the clamping block 106 is lifted, when the second communication pipe 2 is installed, the two rotating rods 104 are loosened, the torsional spring 105 is reset, and at this time, the two clamping blocks 106 are clamped in the two clamping grooves 202, respectively, thereby fixing the position of the second communication pipe 2, compared with the existing central venous catheter, the device can quickly install the first communication pipe 1 and the second communication pipe 2, and the clamping block 106 and the clamping groove 202 can limit the first communication pipe 1 and the second communication pipe 2 after splicing, thereby improving the connection stability of the first communication pipe 1 and the second communication pipe 2.

[0033] In the embodiment one, the through pipe assembly comprises a first communication pipe 1 and a second communication pipe 2, the first communication pipe 1 is connected with the second communication pipe 2, and the first communication pipe 1 is provided with a clamping groove 102.

[0034] One end of the sliding rod 301 is fixedly connected with a pressing block 305, and the surface of the sliding rod 301 is sleeved with a spring 306, one end of the spring 306 is fixedly connected with one side of the pressing block 305, and the other end of the spring 306 is fixedly connected with the side surface of the rectangular frame 3.

[0035] From the above, in use, the application scenario of the device is to conveniently limit the first communication pipe 1 and the second communication pipe 2 after splicing, and the specific operation is that the spigot 201 on the second communication pipe 2 is inserted into the first communication pipe 1, the second communication pipe 2 is tightly inserted on the first communication pipe 1 through the rubber ring 203 and the annular groove, the torsional spring 105 is driven to rotate by pinching the two rotating rods 104, so that the clamping block 106 is lifted, when the second communication pipe 2 is installed, the two rotating rods 104 are loosened, the torsional spring 105 is reset, and at this time, the two clamping blocks 106 are clamped in the two clamping grooves 202, respectively, thereby fixing the position of the second communication pipe 2, compared with the existing central venous catheter, the device can quickly install the first communication pipe 1 and the second communication pipe 2, and the clamping block 106 and the clamping groove 202 can limit the first communication pipe 1 and the second communication pipe 2 after splicing, thereby improving the connection stability of the first communication pipe 1 and the second communication pipe 2.

[0036] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0037] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. The meaning of "multiple" is two or more than two, unless otherwise specifically limited.

Claims

1. An assembled intravenous catheter device, characterized by: The utility model provides a first communicating pipe (1) and second communicating pipe (2) including, the second communicating pipe (2) includes the cannula (201) fixed communication in one end thereof, the first communicating pipe (1) is provided with the limiting assembly for limiting on the second communicating pipe (2) thereof, the surface of second communicating pipe (2) is provided with the dredging assembly for extruding second communicating pipe (2), The limiting assembly includes a mounting ring (101) fixedly sleeved on the surface of the first communicating pipe (1), two symmetrically arranged mounting grooves (102) formed in the mounting ring (101), a connecting rod (103) fixedly connected in the mounting groove (102), a rotating rod (104) rotatably connected to the surface of the connecting rod (103), and a clamping block (106) fixedly connected to the surface of the rotating rod (104), and the surface of the second communicating pipe (2) is provided with a clamping groove (202) matched with the clamping block (106).

2. The assembled intravenous catheter device of claim 1, wherein: The surface of the connecting rod (103) is sleeved with two symmetrically arranged torsion springs (105), one end of each of the two torsion springs (105) is fixedly connected with the mounting groove (102), and the other end of each of the two torsion springs (105) is fixedly connected with one side of the rotating rod (104).

3. An assembled intravenous catheter device as defined in claim 2, wherein: One end of the second communicating pipe (2) is fixedly connected with two symmetrically arranged insertion rods (204), and one end of the first communicating pipe (1) is provided with two symmetrically arranged insertion grooves matched with the insertion rods (204).

4. The assembled intravenous catheter device of claim 3, wherein: The cannula (201) includes a rubber ring (203) fixedly sleeved on the surface thereof and an annular groove formed in the first communicating pipe (1).

5. The assembled intravenous catheter device of claim 4, wherein: The dredging assembly includes a rectangular frame (3) slidably connected to the surface of the second communicating pipe (2), two symmetrically arranged sliding rods (301) slidably connected in the rectangular frame (3), two symmetrically arranged sliding grooves (302) formed in the rectangular frame (3), and a mounting block (303) slidably connected in the sliding groove (302), the mounting block (303) has a "U" shape structure, a pressure roller (304) is rotatably connected in the mounting block (303), and one end of the sliding rod (301) is fixedly connected with one side of the mounting block (303).

6. An assembled intravenous catheter device as defined in claim 5, wherein: One end of the sliding rod (301) is fixedly connected with a pressing block (305), a spring (306) is sleeved on the surface of the sliding rod (301), one end of the spring (306) is fixedly connected with one side of the pressing block (305), and the other end of the spring (306) is fixedly connected with the side surface of the rectangular frame (3).

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