CN219595578U - Multipurpose medical catheter - Google Patents

Abstract

The utility model relates to the technical field of medical catheters and discloses a multipurpose medical catheter which comprises a main catheter, wherein a conversion device is arranged on the outer side wall of the main catheter, the conversion device comprises an inner ring and a swivel, three through holes are respectively formed in the outer side wall of the inner ring and the outer side wall of the main catheter, three liquid inlet devices are fixedly connected to the side wall of the swivel, and the three liquid inlet devices comprise a switching column, a threaded column, a liquid inlet pipe, a spring, an interception plate and a fixing plate. According to the utility model, the main guide pipe can be converted into multiple pipes through rotation of the conversion device, the single pipe is convenient for the instrument to enter the body along the guide pipe for observation, the multiple pipes are used for injection of medicines, the main guide pipe and the inner ring are provided with through holes so as to facilitate the medicines to enter the main guide pipe, the through holes are used for mixing other medicines in the medicine injection process, the threaded column is convenient for connection of the guide pipe and the injection device during injection of liquid medicine, and meanwhile, the connection of the injection device is firmer and is not easy to loosen due to the spring inside the threaded column.

Description

Multipurpose medical catheter

Technical Field

The utility model relates to the technical field of medical catheters, in particular to a multipurpose medical catheter.

Background

Medical catheters generally take the task of interventional examination or operation in many departments of hospitals, such as coronary artery stents of cardiovascular department, the catheters are mainly matched with clinical departments of cardiology, neurology, neurosurgery and the like to carry out a series of interventional treatment, and the catheters can also assist in injecting medicines, and the multipurpose medical catheters not only can assist in injecting medicines but also can take the task of interventional examination or operation.

Most of the existing catheters are single tubes, and the gaps inside the multiple tubes are relatively small, so that medical equipment is inconvenient to enter a human body for examination, the speed of drug injection in the drug injection process of a single catheter is difficult to adapt to a person, the injector and the catheter are required to be tightly connected in the injection process, and infection caused by loosening in the injection process is avoided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a multipurpose medical catheter, wherein a conversion device is arranged on the outer side of a main catheter, the main catheter can be converted into multiple tubes through rotation of the conversion device, a single tube facilitates the instrument to enter into a body for observation, the multiple tubes are used for injecting medicines, three liquid inlet devices are arranged on the outer side of a swivel device, through holes are formed in the main catheter and an inner ring, so that medicines enter into the main catheter, a plurality of through holes are used for mixing other medicines in the medicine injection process, screw columns are arranged at one ends of the three liquid inlet devices, connection between the main catheter and an injection device is facilitated when the liquid medicine is injected into the catheter, and meanwhile, the connection of the injection device is firm and is not easy to loosen due to an internal spring.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multipurpose medical catheter, includes the main catheter, main catheter lateral wall is provided with conversion equipment, conversion equipment includes inner circle and swivel, inner circle fixed connection is on main catheter lateral wall, swivel cover is established in the inner circle outside, three through-hole is seted up respectively to inner circle lateral wall and main catheter lateral wall, fixedly connected with three income liquid device on the swivel lateral wall, three go into liquid device includes switching post, screw thread post, income liquid pipe, spring, interception board and fixed plate, three switching post is fixed connection respectively on the swivel lateral wall, three screw thread post one end is fixed connection respectively in switching post one end, three go into liquid pipe and pass through three screw thread post one end and three interception board one side to inside respectively, three interception board is fixed connection respectively in three screw thread post is inside, three fixed plate is fixed connection respectively in three switching post is inside, three the spring is set up respectively between three interception board and three fixed plate;

through above-mentioned technical scheme, conversion device can make the main conduit change into multitube through rotatory, and the single tube is convenient for instrument and enters into the internal observation along the pipe, and multitube is used for the injection of medicine, and the through-hole has all been seted up to main conduit and inner circle to in the medicine enters into the main conduit, the through-hole is used for mixing other medicines in the medicine injection process also more convenient, the screw thread post is convenient for be connected with injection device when the pipe is pouring into the liquid medicine, and the connection that inside spring can make injection device more firm be difficult to loosen simultaneously.

Further, the three through holes formed in the inner ring correspond to the three through holes formed in the side wall of the main guide pipe;

through the technical scheme, the injection of the medicine water is convenient for the corresponding three through holes.

Further, the lower end of the main guide pipe is connected with a connecting ring, the center of the lower end face of the connecting ring is fixedly connected with a needle tube, and the upper end of the needle tube penetrates through the lower end of the connecting ring and is communicated with the inside;

through the technical scheme, the needle tube is convenient for injecting the liquid medicine into a human body.

Further, the inner diameter of the liquid inlet pipe is five millimeters;

through above-mentioned technical scheme, five millimeter inside diameter is convenient for the liquid medicine get into simultaneously the connection of the needle tubing of being convenient for.

Further, one end of the liquid inlet pipe is provided with a blocking block;

through the technical scheme, the input tube is prevented from being ejected by the spring.

Further, the main guide pipe is made of silica gel;

through the technical scheme, the silica gel material has better thermal stability, radiation resistance and weather resistance, and simultaneously has good physiological inertia.

Further, one ends of the three liquid inlet pipes are respectively and fixedly connected with injection pipes, and the three injection pipes respectively penetrate through one sides of the three fixing plates and are communicated to the inside;

through the technical scheme, the injection tube is used for injecting the injection liquid into the main guide tube through the through hole.

Further, the swivel is rotatably connected to the outer side of the inner ring;

through the technical scheme, the main guide pipe can be converted into a single pipe or multiple pipes by rotating the swivel.

The utility model has the following beneficial effects:

1. in the utility model, the conversion device is arranged on the outer side of the main catheter, the main catheter can be converted into multiple tubes through rotation by the conversion device, the single tube is convenient for the instrument to enter the body along the catheter for observation, and the multiple tubes are used for injection of medicines.

2. In the utility model, the three liquid inlet devices are arranged on the outer side of the swivel device, and the main conduit and the inner ring are provided with the through holes so as to facilitate the medicine to enter the main conduit, and meanwhile, the plurality of through holes are more convenient for mixing other medicines in the medicine injection process.

3. In the utility model, the threaded columns are arranged at one ends of the three liquid inlet devices, so that the connection between the catheter and the injection device is facilitated when the liquid medicine is injected, and meanwhile, the connection of the injection device is firmer and is not easy to loosen due to the internal springs.

Drawings

FIG. 1 is a perspective view of a multipurpose medical catheter according to the present utility model;

FIG. 2 is a front cross-sectional view of a multipurpose medical catheter according to the present utility model;

FIG. 3 is a top view of a multipurpose medical catheter adapter and access device according to the present utility model;

fig. 4 is an enlarged schematic view at a in fig. 2.

Legend description:

1. a main conduit; 2. an inner ring; 3. a threaded column; 4. a connecting ring; 5. a needle tube; 6. a liquid inlet pipe; 7. a transfer column; 8. a swivel; 9. a through hole; 10. a spring; 11. an interception plate; 12. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a multipurpose medical catheter, including main catheter 1, main catheter 1 lateral wall is provided with conversion equipment, conversion equipment includes inner circle 2 and swivel 8, inner circle 2 fixed connection is on main catheter 1 lateral wall, swivel 8 cover is established in the inner circle 2 outside, three through-hole 9 are seted up respectively to inner circle 2 lateral wall and main catheter 1 lateral wall, fixedly connected with three income liquid device on the swivel 8 lateral wall, three income liquid device includes switching post 7, screw thread post 3, go into liquid pipe 6, spring 10, interception board 11 and fixed plate 12, three switching post 7 respectively fixed connection is on swivel 8 lateral wall, three screw thread post 3 one end respectively fixed connection is in switching post 7 one end, three income liquid pipe 6 runs through three screw thread post 3 one end respectively and three interception board 11 one side is led to inside, three interception board 11 respectively fixed connection is inside three screw thread post 3, three fixed plate 12 respectively fixed connection is inside three switching post 7, three spring 10 sets up respectively between three interception board 11 and three fixed plate 12, spring 10 is just to take out the needle tubing after the needle tubing is more firmly connected at 5 between interception board 11 and fixed plate 12, take out the needle tubing after the needle tubing is connected for the needle tubing is more firm.

The three through holes 9 arranged on the inner ring 2 correspond to the three through holes 9 arranged on the side wall of the main catheter 1, the corresponding three through holes 9 are convenient for injecting the liquid medicine, the lower end of the main catheter 1 is connected with a connecting ring 4, the center of the lower end face of the connecting ring 4 is fixedly connected with a needle tube 5, the upper end of the needle tube 5 penetrates through the lower end of the connecting ring 4 to the inside, the needle tube 5 is convenient for injecting the liquid medicine into a human body, the inner diameter of the liquid inlet tube 6 is five millimeters, the inner diameter of the five millimeters is convenient for the liquid medicine to enter and is convenient for the connection of the needle tube 5, one end of the liquid inlet tube 6 is provided with a blocking block, avoid going into liquid pipe 6 and being popped out by spring 10, main pipe 1 adopts the silica gel material, the silica gel material has better thermal stability, resistant radiation, resistant ability of waiting, physiological inertia is good simultaneously, three go into liquid pipe 6 one end and be fixedly connected with injection tube respectively, three injection tube runs through three fixed plate 12 one side respectively and lets in to inside, the injection tube is used for injecting into main pipe 1 with the injection liquid through hole 9, swivel 8 rotates the connection in the inner circle 2 outsides, swivel 8 rotates can make main pipe 1 change single tube or multitube.

Working principle: when the observation is needed in the body, the rotating ring 8 is rotated to block the through hole 9, equipment is inserted into the main guide pipe 1, the connecting ring 4 is removed, the main guide pipe 1 is inserted into a place to be observed for observation, when the medicine injection is needed, the rotating ring 8 is rotated to enable the through hole 9 to be opposite to the hole on the liquid inlet pipe 6, then the connector is connected with the threaded column 3, the liquid inlet pipe 6 is contracted by the extrusion spring 10 and screwed on the threaded column 3, and when the medicine injection is needed, the pipe for the medicine is connected on the threaded column 3 to inject the medicine into the main guide pipe 1.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A multipurpose medical catheter comprising a main catheter (1), characterized in that: the utility model provides a change-over device is provided with to main pipe (1) lateral wall, change-over device includes inner circle (2) and swivel (8), inner circle (2) fixed connection is on main pipe (1) lateral wall, swivel (8) cover is established in the inner circle (2) outside, three through-hole (9) are seted up respectively to inner circle (2) lateral wall and main pipe (1) lateral wall, fixedly connected with is three go into liquid device on swivel (8) lateral wall, and is three go into liquid device includes transfer post (7), screw thread post (3), go into liquid pipe (6), spring (10), interception board (11) and fixed plate (12), three transfer post (7) fixed connection is on swivel (8) lateral wall respectively, and three screw thread post (3) one end fixed connection is in transfer post (7) one end respectively, and three go into liquid pipe (6) run through three screw thread post (3) one end and three interception board (11) one side to inside respectively, three interception board (11) are fixed connection is in three screw thread post (3) and three fixed connection is in three (12) respectively.

2. A multipurpose medical catheter according to claim 1, wherein: the three through holes (9) formed in the inner ring (2) correspond to the three through holes (9) formed in the side wall of the main guide pipe (1).

3. A multipurpose medical catheter according to claim 1, wherein: the lower end of the main guide pipe (1) is connected with a connecting ring (4), a needle tube (5) is fixedly connected to the center of the lower end face of the connecting ring (4), and the upper end of the needle tube (5) penetrates through the lower end of the connecting ring (4) to be communicated with the inside.

4. A multipurpose medical catheter according to claim 1, wherein: the inner diameter of the liquid inlet pipe (6) is five millimeters.

5. A multipurpose medical catheter according to claim 1, wherein: one end of the liquid inlet pipe (6) is provided with a blocking block.

6. A multipurpose medical catheter according to claim 1, wherein: the main guide pipe (1) is made of silica gel.

7. A multipurpose medical catheter according to claim 1, wherein: one end of each of the three liquid inlet pipes (6) is fixedly connected with an injection pipe, and the three injection pipes penetrate through one sides of the three fixing plates (12) respectively and are communicated to the inside.

8. A multipurpose medical catheter according to claim 1, wherein: the swivel (8) is rotatably connected to the outer side of the inner ring (2).