CN219481073U

CN219481073U - Multifunctional injector

Info

Publication number: CN219481073U
Application number: CN202223053412.0U
Authority: CN
Inventors: 郭博昕
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-08-08
Anticipated expiration: 2032-11-16

Abstract

In order to solve the problems of low flushing efficiency and inconvenient use caused by unmatched interfaces of an injector and a catheter in the prior art, the utility model provides a multifunctional injector, which comprises an injection cylinder, an injection push rod, a conical injection port and an adapter, wherein an inner cavity is formed in the injection cylinder, one end of the inner cavity is communicated with the conical injection port, the other end of the inner cavity is an opening, the adapter is detachably arranged on the conical injection port, the injection push rod is displaceably inserted into the inner cavity from the opening of the inner cavity, and the end part of the injection push rod seals the opening of the inner cavity. According to the injector, the adapter of the injector can be detached to be connected with the needle head of the injector to extract liquid, and the conical injection port of the injector can be used for better connection with the conical connector of the catheter, so that the problem of liquid leakage caused by mismatching of the connector and the catheter connector in the actual use process is solved, the design structure is simple, the use is safe, and the flushing efficiency is improved.

Description

Multifunctional injector

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a medical multifunctional injector.

Background

The use of an injector to flush the bladder is a treatment method for treating blood clot formation and blocking a catheter in the bladder in urology surgery, at present, most of the connection modes of a medical instrument injector and equipment are single connection, a common injector can only be connected with a needle tube needle, in the flushing process, the injector needle cylinder is required to be connected with the needle head to extract liquid, then the needle head is taken down to connect with a joint of the catheter, but the catheter joint is a conical joint, the common injector is a flat interface, after the common injector is connected with the flat interface, the two ports cannot be completely matched, when flushing liquid is pushed in, the liquid overflows from the interface position, the flushing efficiency is reduced, the flushing time is increased, the operation and the use processes are complex and inconvenient, and potential safety hazards exist for patients.

Disclosure of Invention

The utility model aims to solve the technical problems of unmatched flushing efficiency and inconvenient use of an injector and a catheter interface in the prior art and provides a multifunctional injector.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a multifunctional injector, including injection tube, injection push rod, toper injection port and adapter, be formed with the inner chamber in the injection tube, the one end intercommunication of inner chamber the toper injection port, the other end of inner chamber is the opening, adapter detachable sets up on the toper injection port, the injection push rod is inserted by the opening of inner chamber displaceably in the inner chamber, just the tip of injection push rod is sealed the opening of inner chamber.

Optionally, the adapter includes straight section of thick bamboo and toper section, straight section of thick bamboo with the toper section is connected, along deviating from the direction of straight section of thick bamboo, the toper section expands outward gradually and is directly connected with the toper injection port.

Optionally, the straight section of the adapter is hollow, and the straight section, the conical section and the conical injection port are communicated.

Optionally, the larger end of the conical injection port opening is fixedly connected to the end of the injection cylinder, and the smaller end of the conical injection port opening is connected to the adapter.

Optionally, the tapered section wraps around the flared end of the tapered injection port.

Optionally, the injection device further comprises a push-pull ring and a piston, wherein the push-pull ring is arranged at one end of the injection push rod, which is away from the injection cylinder, the piston is arranged at one end of the injection push rod, which is towards the injection cylinder, and the piston is inserted into the injection cylinder and is tightly attached to the inner wall of the injection cylinder.

Optionally, the push-pull ring is provided with the mount pad towards the one end of injection push rod, the mount pad deviates from the one side of push-pull ring has seted up spacing recess, the tip of injection push rod inserts in the spacing recess.

Optionally, a protrusion is provided at the end of the injection push rod contacting the piston, and the protrusion is inserted into the piston.

Optionally, the cross section of the injection push rod is in a cross-shaped structure.

The adapter of the multifunctional injector provided by the utility model can be detached to be connected with the needle head of the injector to extract liquid, the adapter is taken down when bladder irrigation is carried out, the conical injection port of the injector is utilized to be better connected with the conical joint of the catheter, the problem of liquid leakage caused by mismatching of the joint and the catheter joint in the actual use process is solved, the design structure is simple, the use is safe, and the irrigation efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a multi-functional syringe according to the present utility model;

fig. 2 is a top view of the injection plunger of the multi-functional injector provided by the present utility model.

Reference numerals in the drawings of the specification are as follows:

1. pushing the pull ring; 2. a syringe; 3. an injection push rod; 4. a tapered injection port; 5. an adapter; 51. a straight barrel section; 52. a conical section; 6. a piston; 7. a mounting base; 8. a limit groove; 9. a protrusion.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, an embodiment of the present utility model provides a multifunctional injector, which comprises an injection cylinder 2, an injection push rod 3, a conical injection port 4 and an adapter 5, wherein an inner cavity is formed in the injection cylinder 2, one end of the inner cavity is communicated with the conical injection port 4, the other end of the inner cavity is an opening, the adapter 5 is detachably arranged on the conical injection port 4, the injection push rod 3 is displaceably inserted into the inner cavity from the opening of the inner cavity, and the end part of the injection push rod 3 seals the opening of the inner cavity.

The adapter 5 is detachably arranged on the conical injection port 4, so that the syringe needle and the catheter connector can be connected quickly and conveniently, and the bladder flushing efficiency of the syringe is improved.

In one embodiment, the adaptor 5 includes a straight section 51 and a tapered section 52, the straight section 51 and the tapered section 52 are connected, and the tapered section 52 is gradually flared and directly connected to the tapered injection port 4 in a direction away from the straight section 51.

The straight section 51 of the adapter 5 can be used for connecting a needle head equipped with a common syringe for liquid extraction; the tapered section 52 is adapted to the tapered injection port 4 to provide a mating function to prevent fluid from spilling out of the port location during extraction.

In one embodiment, the straight section 51 of the adapter 5 has a hollow structure, and the straight section 51, the conical section 52 and the conical injection port 4 are communicated with each other.

The straight barrel section 51, the conical section 52 and the conical injection port 4 are communicated, so that smooth liquid passing in the process of extraction and cleaning is facilitated.

In one embodiment, the larger end of the opening of the conical injection port 4 is fixedly connected to the tail end of the injection cylinder 2, and the smaller end of the opening of the conical injection port 4 is connected to the adapter 5.

In one embodiment, the tapered section 52 encloses the flared end of the tapered injection port 4.

The tapered section 52 wraps the small end of the tapered injection port 4, which is beneficial to better matching of the adapter 5 and the tapered injection port 4 and prevents leakage.

In an embodiment, the injection device further comprises a push pull ring 1 and a piston 6, wherein the push pull ring 1 is arranged at one end of the injection push rod 3, which is away from the injection cylinder 2, the piston 6 is arranged at one end of the injection push rod 3, which is towards the injection cylinder 2, and the piston 6 is inserted into the injection cylinder 2 and is tightly attached to the inner wall of the injection cylinder 2.

Specifically, the push-pull ring 1 applies pressure to the injection push rod 3 to extract and inject the liquid in the injection cylinder 2 through the needle; in addition, the piston 6 generates air pressure difference between the air pressure in the tube and the atmospheric pressure under the pressure action of the injection push rod 3, and the liquid is pressed into or extruded out of the injection cylinder 2 under the atmospheric pressure action.

In an embodiment, an installation seat 7 is disposed at one end of the push-pull ring 1 facing the injection push rod 3, a limit groove 8 is disposed at one surface of the installation seat 7 facing away from the push-pull ring 1, and an end portion of the injection push rod 3 is inserted into the limit groove 8.

The limiting groove 8 of the injection push rod 3 is arranged on the mounting seat 7, so that the injection push rod 3 is fixed, and the injection push rod 3 is prevented from falling off in the working process.

In an embodiment, the end of the injection push rod 3 in contact with the piston 6 is provided with a protrusion 9, the protrusion 9 being inserted into the piston 6.

In one embodiment, the cross section of the injection pushing rod 3 has a cross-shaped structure.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a multifunctional injector, its characterized in that includes injection tube, injection push rod, toper injection port and adapter, be formed with the inner chamber in the injection tube, the one end intercommunication of inner chamber the toper injection port, the other end of inner chamber is the opening, adapter detachable sets up on the toper injection port, the injection push rod is inserted by the opening of inner chamber displaceably in the inner chamber, just the tip of injection push rod is sealed the opening of inner chamber.

2. A multi-purpose syringe as claimed in claim 1, wherein the adapter includes a straight barrel section and a tapered section, the straight barrel section and the tapered section being connected, the tapered section being gradually flared and connected directly to the tapered injection port in a direction away from the straight barrel section.

3. A multi-purpose syringe as claimed in claim 2, wherein the straight barrel section of the adapter is hollow, and the straight barrel section, the tapered section and the tapered injection port are communicated.

4. A multi-purpose syringe as recited in claim 1 wherein the larger end of the tapered injection port opening is fixedly attached to the barrel distal end and the smaller end of the tapered injection port opening is attached to the adapter.

5. A multi-purpose syringe as claimed in claim 2 wherein said tapered section encloses the flared end of said tapered injection port.

6. The multifunctional syringe of claim 1, further comprising a push-pull ring and a piston, wherein the push-pull ring is arranged at one end of the injection push rod facing away from the injection cylinder, the piston is arranged at one end of the injection push rod facing towards the injection cylinder, and the piston is inserted in the injection cylinder and is tightly attached to the inner wall of the injection cylinder.

7. The multifunctional injector according to claim 6, wherein a mounting seat is arranged at one end of the push-pull ring facing the injection push rod, a limit groove is formed in one surface of the mounting seat facing away from the push-pull ring, and the end part of the injection push rod is inserted into the limit groove.

8. A multi-purpose syringe as claimed in claim 6, wherein the end of the injection pushrod in contact with the plunger is provided with a protrusion which is inserted into the plunger.

9. A multi-purpose syringe as claimed in claim 1 wherein said injection plunger has a cross-section of cross-shaped configuration.