CN219517403U

CN219517403U - Novel needleless connector

Info

Publication number: CN219517403U
Application number: CN202222394626.8U
Authority: CN
Inventors: 柏保东; 柏景轩; 钱兆伟; 董旭; 周玉艳; 王云霞; 赵青; 陈蓉蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-08-15
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a novel needleless connector, which comprises a main body, wherein a fixed ring is fixedly connected to the inner wall of the top of the main body, a catheter is arranged in the main body, a connecting film is fixedly connected to the bottom of the outer wall of the catheter, the outer part of the connecting film is fixedly connected with the inner wall of the fixed ring, strip-shaped sliding holes are formed in the middle parts of two sides of the main body, connecting rods are slidably connected to the inner parts of the two strip-shaped sliding holes, a rotating sleeve is sleeved outside the main body, a sliding groove is formed in the bottom of the inner wall of the rotating sleeve, one connecting ring is fixedly connected between two ends of the two connecting rods, the other ends of the two connecting rods are matched with the sliding groove of the rotating sleeve, a second type pipe is fixedly connected to the top of the connecting ring, and a first type pipe is arranged at the top of the second type pipe. The utility model is provided with the guide pipe, the connecting film, the fixing ring, the pipe, the rotating sleeve, the connecting rod, the connecting ring, the telescopic pipe, the valve and the bacteria-proof sleeve.

Description

Novel needleless connector

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a novel needleless connector.

Background

The use of the detained needle can reduce the pain of the child patient caused by repeated venipuncture and the fear of needle injection, lighten the dysphoria emotion of parents, facilitate clinical medication, rescue medication for emergency and critical patients, lighten the workload of nurses and reduce the pain of the child patient, thereby being widely applied clinically. One of the key instruments for injecting medicine with the indwelling needle is a needleless connector, which can protect the operation safety of medical staff and ensure the stability in the treatment process.

In clinical operation, we find that the existing needleless connector has the defect of low adaptability, for example, different-sized syringes may be used for different doses of medicines, the diameters of conical heads of the different-sized syringes have a slight gap, and errors exist when the different-sized syringes are connected with the connector, so that the operation effect is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a novel needleless connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel needleless joint, which comprises a main body, the top inner wall fixedly connected with retainer plate of main part, the inside of main part is equipped with the pipe, the outer wall bottom fixedly connected with linking film of pipe, the outside of linking film and the inner wall fixedly connected with of retainer plate, bar slide opening has all been seted up at the both sides middle part of main part, the inside of main part at two bar slide openings is all sliding connection has the connecting rod, the outside cover of main part is equipped with the rotation cover, the spout has been seted up to the inner wall bottom of rotation cover, the same linking ring of fixedly connected with between the one end that two connecting rods are close to, the other end of two connecting rods all with the spout looks adaptation of rotation cover, the top fixedly connected with second type pipe of linking ring, the top of second type pipe is equipped with first type pipe, first type pipe and second type pipe all with the pipe looks adaptation, the outside of main part and the inner wall of rotation cover all are equipped with the screw thread, two sets of screw thread gomphosis mutually, the bottom of main part is equipped with coupling mechanism.

Further, the first type pipe and the second type pipe are in a truncated cone shape.

Further, the coupling mechanism includes the connecting pipe, and the bottom of main part is equipped with the bottom plate, and circular through-hole has been seted up at the middle part of bottom plate, the bottom fixed connection of the bottom circular through-hole of top and bottom plate of connecting pipe.

Further, the bottom fixedly connected with flexible pipe of tie collar, the bottom of flexible pipe and the top fixed connection of the circular through-hole of bottom plate, the top of flexible pipe corresponds with the bottom of second type pipe.

Further, a valve is arranged in the connecting pipe.

Further, the outer part of the connecting pipe is sleeved with an antibacterial sleeve.

The beneficial effects of the utility model are as follows:

1. through setting up pipe, link, retainer plate, type pipe, rotating sleeve, connecting rod, link, flexible pipe, bottom plate, connecting pipe, when using this device, can observe the conical head size of syringe at first, then can rotate the rotating sleeve of this device and drive the pipe and get into the pipe, the inner wall of rotating sleeve and main part outer wall mid portion all have the screw thread, the rotating sleeve can be in the main part surface up-and-down motion through the screw thread, when rotating the sleeve upward movement, drive the link between two connecting rods together upward movement, the link drives second type pipe and first type pipe, make first type pipe and second type pipe get into the inside of link and pipe, the diameter of type pipe is from top to bottom increasing after the pipe gets into the pipe inside, so that the pipe can adapt to the conical head of syringe of different sizes, at this moment, the pipe outer wall can be with the inner wall of the conical head of syringe in close contact all the time, this device simple structure, and convenient operation, the operation is effectual;

meanwhile, if more second type pipes enter the guide pipe, the first type pipes can be directly pulled out when the first type pipes exceed the top of the guide pipe, so that the operation effect of the device is ensured.

2. Through setting up the valve, when using this device, the valve can guarantee that the pressure after this device connects other apparatuses is stable, further guarantees the job stabilization nature of device.

3. Through setting up the fungi-proofing cover, when using this device, the fungi-proofing cover can avoid the influence of dust, has increased the practicality of device.

Through setting up pipe, link film, retainer plate, pipe, rotation cover, connecting rod, link, flexible pipe, bottom plate, connecting pipe, valve, fungi-proofing cover, when using this device, this device simple structure, the simple operation, it is stable practical, the operation is effectual.

Drawings

FIG. 1 is a schematic view of a front perspective cross-sectional structure of a novel needleless connector proposed in example 1;

FIG. 2 is a schematic cross-sectional view of a novel needleless connector according to example 1;

fig. 3 is a schematic structural diagram of a novel antimicrobial sleeve without a needle joint according to embodiment 2.

In the figure: 1 main body, 2 guide tube, 3 connecting film, 4 fixing ring, 5 first tube, 6 second tube, 7 rotating sleeve, 8 connecting rod, 9 connecting ring, 10 telescopic tube, 11 bottom plate, 12 connecting tube, 13 valve and 14 antibacterial sleeve.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Example 1

Referring to fig. 1-2, a novel needleless connector comprises a main body 1, a fixed ring 4 is fixedly connected to the inner wall of the top of the main body 1, a guide pipe 2 is arranged in the main body 1, a connecting film 3 is fixedly connected to the bottom of the outer wall of the guide pipe 2, the outer part of the connecting film 3 is fixedly connected with the inner wall of the fixed ring 4, strip-shaped sliding holes are formed in the middle parts of two sides of the main body 1, connecting rods 8 are slidably connected to the inner parts of the two strip-shaped sliding holes of the main body 1, a rotating sleeve 7 is sleeved outside the main body 1, a sliding groove is formed in the bottom of the inner wall of the rotating sleeve 7, the same connecting ring 9 is fixedly connected between two ends of the connecting rods 8, the other ends of the two connecting rods 8 are matched with the sliding groove of the rotating sleeve 7, a second type pipe 6 is fixedly connected to the top of the connecting ring 9, a first type pipe 5 is arranged at the top of the second type pipe 6, the first type pipe 5 and the second type pipe 6 are matched with the guide pipe 2, threads are formed in the outer part of the main body 1 and the inner wall of the rotating sleeve 7, the two groups of connecting rods 1 are sleeved with the connecting rods 8, and the connecting rods 8 can move upwards in a sliding mode when moving upwards when the connecting rods 8 are embedded in the sliding mode;

wherein the first-type tube 5 and the second-type tube 6 are in a truncated cone shape, and the materials of the conduit 2 and the connection film 3 can be selected to be rubber or the like, so that the conduit 2 has elastic deformation capability;

the connecting mechanism comprises a connecting pipe 12, a bottom plate 11 is arranged at the bottom of the main body 1, a circular through hole is formed in the middle of the bottom plate 11, and the top of the connecting pipe 12 is fixedly connected with the bottom of the circular through hole at the bottom of the bottom plate 11.

The bottom of the connecting ring 9 is fixedly connected with a telescopic pipe 10, the bottom of the telescopic pipe 10 is fixedly connected with the top of a circular through hole of the bottom plate 11, the top of the telescopic pipe 10 corresponds to the bottom of the second type pipe 6, firstly, the size of a conical head of the syringe can be observed, then the rotating sleeve 7 of the device can be rotated to drive the type pipe to enter the catheter 2, the inner wall of the rotating sleeve 7 and the middle part of the outer wall of the main body 1 are both provided with threads, the rotating sleeve 7 can move up and down on the outer surface of the main body 1 through the threads, when the rotating sleeve 7 moves up, the connecting ring 9 between the two connecting rods 8 is driven to move up together, the connecting ring 9 drives the second type pipe 6 and the first type pipe 5, the first type pipe 5 and the second type pipe 6 enter the connecting membrane 3 and the inside of the catheter 2, the diameter of the type pipe is gradually increased from top to bottom, and the diameter of the type pipe can be increased after the type pipe enters the inside the catheter 2, so that the catheter 2 can adapt to the conical heads of syringes with different sizes, and the outer wall of the catheter 2 can always be in close contact with the inner wall of the conical heads of the syringe, the device has simple structure and convenient operation;

if the second type pipe 6 enters the guide pipe 2 more, the first type pipe 5 can be directly pulled out when the first type pipe 5 exceeds the top of the guide pipe 2 more, so that the operation effect of the device is ensured;

wherein, valve 13 is equipped with in the inside of connecting pipe 12, and valve 13 can guarantee the pressure stability after this device connects other apparatuses, further guarantees the operation stability of device.

Working principle: when the device is used, firstly, the size of the conical head of the injector can be observed, then, the rotating sleeve 7 of the device can be rotated to drive the pipe to enter the guide pipe 2, the inner wall of the rotating sleeve 7 and the middle part of the outer wall of the main body 1 are provided with threads, the rotating sleeve 7 can move up and down on the outer surface of the main body 1 through the threads, when the rotating sleeve 7 moves upwards, the connecting ring 9 between the two connecting rods 8 is driven to move upwards together, the connecting ring 9 drives the second type pipe 6 and the first type pipe 5, so that the first type pipe 5 and the second type pipe 6 enter the connecting film 3 and the guide pipe 2, the diameter of the guide pipe 2 can be increased after the type pipe enters the guide pipe 2 from top to bottom, so that the guide pipe 2 can adapt to the conical heads of the injectors with different sizes, and at the moment, the outer wall of the guide pipe 2 can be in close contact with the inner wall of the conical head of the injector all the time, the device has simple structure, convenient operation and good operation effect;

meanwhile, if the second type pipe 6 enters the guide pipe 2 more, the first type pipe 5 can be directly pulled out when the first type pipe 5 exceeds the top of the guide pipe 2 more, so that the operation effect of the device is ensured;

the valve 13 can ensure the pressure stability of the device after being connected with other instruments, and further ensure the operation stability of the device.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, in order to increase the practicality of the device, the antibacterial sleeve 14 is sleeved outside the connecting tube 12, and the antibacterial sleeve 14 can avoid the influence of dust, thereby increasing the practicality of the device.

Working principle: firstly, the size of a conical head of a syringe can be observed, then, a rotating sleeve 7 of the device can be rotated to drive a tube to enter a catheter 2, the inner wall of the rotating sleeve 7 and the middle part of the outer wall of a main body 1 are provided with threads, the rotating sleeve 7 can move up and down on the outer surface of the main body 1 through the threads, when the rotating sleeve 7 moves upwards, a connecting ring 9 between two connecting rods 8 is driven to move upwards together, the connecting ring 9 drives a second type tube 6 and a first type tube 5, the first type tube 5 and the second type tube 6 enter a connecting membrane 3 and the inside of the catheter 2, the diameters of the type tube are increased from top to bottom, and after the type tube enters the inside of the catheter 2, the diameter of the catheter 2 can be increased, so that the catheter 2 can adapt to the conical heads of syringes with different sizes;

when the device is used, the bacteria-proof sleeve 14 can avoid the influence of dust, and the practicability of the device is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a novel needleless joint, includes main part (1), its characterized in that, the top inner wall fixedly connected with retainer plate (4) of main part (1), the inside of main part (1) is equipped with pipe (2), the outer wall bottom fixedly connected with linking film (3) of pipe (2), the outside of linking film (3) with the inner wall fixed connection of retainer plate (4), bar slide opening has all been seted up at the both sides middle part of main part (1), and main part (1) all sliding connection has connecting rod (8) in the inside of two bar slide openings, and the outside cover of main part (1) is equipped with rotates cover (7), rotates the inner wall bottom of cover (7) and has seted up the spout, two fixedly connected with same retainer plate (9) between the one end that connecting rod (8) are close to mutually, the other end of two connecting rods (8) all with the spout looks adaptation of rotating cover (7), the top fixedly connected with second type pipe (6) of retainer plate (9), the top of second type pipe (6) is equipped with first type pipe (5), first type pipe (5) and second type pipe (6) all sliding connection with screw thread group (1), the outside of main part (1) all is equipped with screw thread group.

2. A new needleless connector as in claim 1, in which the first type tube (5) and the second type tube (6) are of a truncated cone shape.

3. The novel needleless connector as claimed in claim 2, wherein the connecting mechanism comprises a connecting pipe (12), a bottom plate (11) is arranged at the bottom of the main body (1), a circular through hole is formed in the middle of the bottom plate (11), and the top of the connecting pipe (12) is fixedly connected with the bottom of the circular through hole of the bottom plate (11).

4. A novel needleless connector as in claim 3, wherein the bottom of the connecting ring (9) is fixedly connected with a telescopic tube (10), the bottom end of the telescopic tube (10) is fixedly connected with the top of the circular through hole of the bottom plate (11), and the top of the telescopic tube (10) corresponds to the bottom of the second type tube (6).

5. A new needleless connector as in claim 4, in which the interior of the connecting tube (12) is provided with a valve (13).

6. A new needleless connector as in claim 5, in which the outer portion of the connecting tube (12) is covered with an anti-microbial sleeve (14).