CN216022472U

CN216022472U - Bottle stopper puncture outfit

Info

Publication number: CN216022472U
Application number: CN202122455859.XU
Authority: CN
Inventors: 陈志秋; 韦乃武
Original assignee: Shenzhen Maiwei Biotechnology Co ltd
Current assignee: Shenzhen Maiwei Biotechnology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-15
Anticipated expiration: 2031-10-12

Abstract

The application discloses bottle plug puncture ware, including puncture ware main part, filtration membrane of air and liquid medicine filtration membrane, puncture ware main part has point portion, inlet channel and liquid medicine passageway are separated, inlet channel has air inlet and gas port, the liquid medicine passageway has first interface and second interface, filtration membrane of air is fixed in gas port and intercommunication inlet channel and external atmosphere, filtration membrane of liquid medicine is fixed in first interface. Through setting up liquid medicine filtration membrane and air filtration membrane, can effectively reduce or prevent that the particle in the air from getting into the liquid medicine container, and effectively reduce or prevent that the foreign matter in the liquid medicine container from getting into the liquid medicine passageway to can block the foreign matter and get into the human body, and then guarantee the clinical purpose of safe handling.

Description

Bottle stopper puncture outfit

Technical Field

The utility model relates to the field of medical instruments, in particular to a bottle stopper puncture outfit.

Background

Traditional bottle plug puncture ware because it does not have the filterable function of liquid medicine, need increase a liquid medicine filter again in cooperation system pipeline uses, and the price is high, and patient's burden is big. However, if the medical liquid filter is not added, there is a risk that foreign matter may enter the body along with the suction and injection of the medical liquid when the medical liquid container has foreign matter, and therefore, it is necessary to provide a new stopper puncture device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel bottle stopper puncture outfit.

The utility model provides a bottle stopper puncture outfit which comprises a puncture outfit main body, an air filtering membrane and a liquid medicine filtering membrane, wherein the puncture outfit main body is provided with a tip part, an air inlet channel and a liquid medicine channel, the air inlet channel and the liquid medicine channel are separated, the air inlet channel is provided with an air inlet arranged at the tip part and an air interface arranged at the side part of the puncture outfit main body, the liquid medicine channel is provided with a first interface arranged at the side part of the puncture outfit main body and a second interface arranged at the bottom of the puncture outfit main body, the air filtering membrane is fixed at the air interface and communicated with the air inlet channel and the external atmosphere, and the liquid medicine filtering membrane is fixed at the first interface. The second port is capable of being coupled, such as threadably coupled, to a syringe. The liquid medicine passage and the air inlet passage may both extend in the axial direction of the puncture device body, i.e., the liquid medicine passage and the air inlet passage may be arranged side by side and separated.

In the axial direction of the puncture outfit main body, the air inlet, the first interface, the air interface and the second interface are distributed from top to bottom. The axis of the first interface is parallel to the axis of the gas interface.

The bottle stopper puncture outfit further comprises a dustproof cap, wherein the dustproof cap is a structure body which penetrates through in the axial direction, the dustproof cap is fixedly sleeved on the outer peripheral surface of the gas interface, and the air filtering membrane is fixed inside the dustproof cap. The dustproof cap is in a square or round shape with elasticity. The shape of the air filtering membrane can be designed according to the inner shape of the dustproof cap.

The liquid medicine filtering membrane is fixed with the first connector in a hot melting mode, and the air filtering membrane is fixed with the dustproof cap in a hot melting mode.

The outer peripheral face of the gas interface is provided with an outer stop face, the inner stop face is arranged in the dustproof cap, the dustproof cap abuts against the outer stop face, and the air filtering membrane abuts against the inner stop face.

The air filtering membrane and the liquid medicine filtering membrane are round or square sheets.

The utility model has the beneficial effects that: through setting up liquid medicine filtration membrane and air filtration membrane, can effectively reduce or prevent that the particle in the air from getting into the liquid medicine container, and effectively reduce or prevent that the foreign matter in the liquid medicine container from getting into the liquid medicine passageway to can block the foreign matter and get into the human body, and then guarantee the clinical purpose of safe handling.

Drawings

FIG. 1 is an exploded view of the stopper piercer of the present embodiment;

FIG. 2 is a schematic structural view of the stopper puncture device of the present embodiment;

FIG. 3 is a schematic view showing the structure of the stopper puncture outfit of the present embodiment after it is connected to a medical fluid container or a syringe.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

As shown in fig. 1 to 3, a bottle stopper puncture outfit comprises a puncture outfit body 1, a dustproof cap 2, an air filtering membrane 3 and a liquid medicine filtering membrane 4.

The puncture instrument body 1 has a tip portion 13, an air inlet passage 11, and a medical fluid passage 12. The tip portion 13 can pierce the stopper of the medical fluid container 6 and is less likely to generate debris. The air intake passage 11 can communicate the liquid medicine container 6 with the outside. The drug solution passage 12 can communicate the drug solution container 6 with the drug-containing syringe 5 to form a drug-containing system. The dust cap 2 has elasticity, and is generally circular or square, and is fitted on the air inlet channel 11 of the puncture device main body, and the two can be hermetically fitted. The air filtering membrane 3 is a square or round sheet with a net shape, and has a function of filtering particles with a specific size and stopping bacteria, the air filtering membrane 3 is installed inside the dustproof cap 2, when the air inlet channel 11 is filled with air, the air filtering membrane can stop particles with a corresponding grade in the atmosphere, and prevent the particles or bacteria in the atmosphere from cross-contaminating the liquid medicine in the liquid medicine container 6, namely, prevent the particles or bacteria from entering the air inlet channel 11 along the arrow direction A. The medical fluid filtering membrane 4 is generally a net-shaped square or round sheet having a function of filtering particles of a specific size, is mounted on the puncture instrument body 1, and can block foreign substances from the medical fluid container 6 when medical fluid is sucked through the medical fluid passage 12, thereby ensuring a clinical purpose of safe use.

In this embodiment, the air inlet channel 11 has an air port 14 provided at one side portion of the puncture instrument body 1 and an air inlet 16 provided at a tip portion thereof, and the air inlet 16 communicates with the air port 14. The axes of the gas inlet 16 and the gas interface 14 may be perpendicular, substantially perpendicular, or angled. The gas port 14 may extend radially outward from the side of the puncture instrument body 1, and the gas port 14 is a structure penetrating in the axial direction and has an outer stopper surface 18 on the outer peripheral surface. The dust cap 2 is fitted over the outer peripheral surface of the gas port 14 and abuts against the outer stopper surface 18. Dustproof cap 2 has the logical groove that the axial runs through, should lead to the groove including the first mounting groove 22 that communicates in order along the axial, spread groove 24 and second mounting groove 25, the internal diameter of this first mounting groove 22 and the internal diameter of second mounting groove 25 all are greater than the internal diameter of spread groove 24, keep off face 23 in this first mounting groove 22 and the juncture of spread groove 24 formation, filtration membrane 3 installs and keeps off face 23 in this first mounting groove 22 and support, this second mounting groove 25 and gas interface 14's outer peripheral face cooperation, and the length of this second mounting groove 25 can be greater than gas interface 14's length.

The medical fluid passage 12 has a first port 15 provided on the other side of the puncture device body 1 and a second port 16 provided on the bottom of the puncture device body. The medical fluid filtering membrane 4 is fixed to the first port 15, and the second port 16 is connectable to the syringe 5. The axis of the first port 15 and the axis of the second port 16 may be perpendicular or substantially perpendicular, and the axes of the first and second ports may also have an included angle. The first port 15 and the gas port 14 may be located on both sides of the axis of the puncture device body 1. The first port 15 may be located above the gas port 14.

For the bottle stopper puncture outfit, the air inlet channel 11 is communicated with the liquid medicine container 6 and the outside, when the syringe 5 connected with the second interface 17 of the liquid medicine channel sucks the liquid medicine, the air inlet channel 11 is used for air inlet, so as to prevent medicine suction vacuum; when the syringe 5 sucks the liquid medicine, the liquid medicine is sucked into the syringe. The first interface 15 of the liquid medicine passage 12 is provided with the liquid medicine filtering membrane 4, when foreign matters exist in the liquid medicine container 6 and the syringe 5 sucks liquid medicine along the arrow direction B, the foreign matters can be blocked outside the liquid medicine passage 12 by the liquid medicine filtering membrane 4, and the clinical use risk is reduced. The dust cap 2 is mounted on the gas interface 14 of the air inlet channel 11, and the auxiliary air filtering membrane 3 is assembled. The air filtering membrane 3 is arranged inside the dustproof cap 2, and can block dust particles in the atmosphere outside the air inlet channel 11 when medicine is sucked and air is introduced, so that the medicine liquid container 6 is prevented from being polluted.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.

Claims

1. The utility model provides a bottle plug puncture ware, includes the puncture ware main part, the puncture ware main part has point portion, inlet channel and liquid medicine passageway are separated, inlet channel has and locates the air inlet of point portion and locating the gas port of puncture ware main part lateral part, the liquid medicine passageway has and locates the first interface of puncture ware main part lateral part and locating the second interface of puncture ware main part bottom, its characterized in that still includes filtration membrane and liquid medicine filtration membrane, filtration membrane is fixed in gas port and intercommunication inlet channel and external atmosphere, liquid medicine filtration membrane is fixed in first interface.

2. The stopper piercer of claim 1, wherein the gas inlet, the first port, the gas port and the second port are distributed from top to bottom in the axial direction of the piercer body.

3. The stopper piercer of claim 2, wherein the axis of the first port and the axis of the gas port are parallel.

4. The bottle stopper puncture outfit of claim 1, further comprising a dust cap, wherein the dust cap is an axially penetrating structure body, the dust cap is fixedly sleeved on the outer circumferential surface of the gas port, and the air filtering membrane is fixed inside the dust cap.

5. The bottle stopper puncture outfit of claim 4, wherein the drug solution filtering membrane is fixed with the first interface by hot melting, and the air filtering membrane is fixed with the dust cap by hot melting.

6. The stopper puncture device according to claim 4, wherein the outer peripheral surface of the gas port has an outer stop surface, the interior of the dust cap has an inner stop surface, the dust cap abuts against the outer stop surface, and the air filtration membrane abuts against the inner stop surface.

7. The stopper piercer of claim 1, wherein the air filtering membrane and the drug solution filtering membrane are round or square sheets.