CN115300720A - Liquid medicine puncture connector - Google Patents

Liquid medicine puncture connector Download PDF

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Publication number
CN115300720A
CN115300720A CN202211005755.1A CN202211005755A CN115300720A CN 115300720 A CN115300720 A CN 115300720A CN 202211005755 A CN202211005755 A CN 202211005755A CN 115300720 A CN115300720 A CN 115300720A
Authority
CN
China
Prior art keywords
puncture
protective cap
puncture outfit
liquid medicine
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202211005755.1A
Other languages
Chinese (zh)
Inventor
王维文
郭桂成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Huafu Medical Equipment Co ltd
Original Assignee
Zhejiang Huafu Medical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Huafu Medical Equipment Co ltd filed Critical Zhejiang Huafu Medical Equipment Co ltd
Priority to CN202211005755.1A priority Critical patent/CN115300720A/en
Publication of CN115300720A publication Critical patent/CN115300720A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1412—Containers with closing means, e.g. caps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1475—Inlet or outlet ports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006—Piercing means
    • A61J1/201—Piercing means having one piercing end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2048—Connecting means

Abstract

The invention discloses a liquid medicine puncture connector, which is characterized in that: comprises a connecting cover and a protective cap; the bottom wall of the connecting cover is provided with a puncture outfit connecting port, the puncture outfit connecting port is internally provided with internal threads and a puncture outfit connecting sealing ring, the puncture outfit connecting sealing ring is positioned at the inner side of the internal threads and is provided with a sealing cut, the puncture outfit is rotated to enable the puncture outfit to automatically jack the sealing cut, and the liquid medicine is input into a patient body through the puncture outfit and an infusion apparatus; the protective cap is connected to the side wall of the connecting cover in a turnover mode through a flexible connecting sheet with an elastic turnover sheet, so that a double-sealing effect is achieved; the bottom wall of the protective cap is provided with a bowl sucking structure, so that the liquid medicine bottle is placed on the platform surface in an inverted manner, and the medical care personnel can use the liquid medicine bottle conveniently and cleanly. The invention has the characteristics of convenient operation, safe use and environment-friendly, degradable and recyclable materials.

Description

Liquid medicine puncture connector
Technical Field
The invention relates to the field of medical instruments, in particular to a liquid medicine puncture connector.
Background
Infusion refers to the infusion of large dose of injection into human body by intravenous drip, and the quality of infusion directly affects the safety of patients.
In the prior art, the infusion cover adopts a sealing rubber plug for sealing, and medical personnel adopts a puncture outfit to puncture the sealing rubber plug during infusion and then carries out drainage and infusion. The transfusion cover has the following problems in the using process: 1. in the process that a puncture needle of the puncture outfit punctures the sealing rubber plug, the sealing rubber plug material can enter the puncture needle, thereby affecting the safety of patients; 2. the sealing rubber plug is exposed in the environment, and when the sealing rubber plug is punctured each time, the sealing rubber plug needs to be wiped with alcohol cotton, so that the operation flow of medical personnel is increased, and simultaneously, the alcohol can be contacted with the puncture needle of the puncture device and enters the liquid medicine along with the puncture needle to pollute the liquid medicine; 3. the puncture outfit and the infusion tube are fixedly hung on the infusion cover only through the clamping force of the sealing rubber plug to the puncture needle, and the problem that the puncture needle falls off from the sealing rubber plug exists. Therefore, the infusion cap in the prior art needs to be further improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a liquid medicine puncture connector which has the characteristics of convenience in operation and safety in use.
In order to realize the purpose, the invention provides the following technical scheme:
a liquid medicine puncture connector is characterized in that: comprises a connecting cover and a protective cap;
the bottom wall of the connecting cover is provided with a puncture device connecting port, the puncture device connecting port is internally provided with an internal thread and a puncture device connecting sealing ring, the puncture device connecting sealing ring is positioned on the inner side of the internal thread and is provided with a sealing notch, and a puncture needle of the puncture device is in threaded fit with the puncture device connecting port and can jack the sealing notch after being rotated so as to drain the liquid medicine in the liquid medicine bottle bag;
the protective cap is connected to the side wall of the connecting cover in a turnover mode through the flexible connecting sheet, the protective cap can be covered on the bottom wall of the connecting cover to shield the puncture device connector, and a suction bowl structure capable of enabling a liquid medicine bottle connected with the liquid medicine puncture connector to be placed in an inverted mode is arranged on the bottom wall of the protective cap.
Preferably, the sealing cut is a cross-score.
Preferably, the protective cap is provided with an inner cap body, the outer side wall of the inner cap body is provided with a clamping rib, the connecting cover is provided with a ring-shaped surrounding wall at the position corresponding to the periphery of the puncture device connecting port, and the inner wall of the ring-shaped surrounding wall is provided with a clamping groove for clamping the clamping rib.
Preferably, the protective cap further comprises an outer cap body, and the outer cap body can shield the annular surrounding wall.
Preferably, the connecting cover, the protective cap and the puncture outfit connecting sealing ring are made of the same material.
Preferably, a sealing ring is arranged on the bottom wall of the connecting cover, and the sealing ring is of an inverted cone structure.
Preferably, an elastic overturning sheet which drives the protective cap to rotate towards the puncture outfit connecting port is arranged between the protective cap and the connecting cap.
Preferably, the cup sucking structure is formed by inwards recessing the central part of the bottom wall of the protective cap.
The invention has the advantages that:
1. the puncture needle of the puncture outfit is connected in the puncture outfit connector in a thread fit manner, and has the characteristics of stable connection and falling prevention;
2. the puncture outfit is connected with the sealing ring to replace a sealing rubber plug in the prior art, so that the sealing plug is saved, the material of the whole liquid medicine puncture outfit can be unified conveniently, and the recovery treatment is facilitated; meanwhile, the puncture outfit is connected with a sealing notch on the sealing ring, so that the puncture needle can conveniently penetrate and drain, and the sealing notch can be sealed under the elastic action before or after use, so that liquid leakage is prevented;
3. the protective cap can shield the puncture outfit connector, and the puncture outfit connector is isolated from the external environment before and after use, so that the puncture outfit connector and the puncture outfit connecting seal ring are sanitary, the wiping operation of alcohol cotton is saved, and the problem that alcohol enters the liquid medicine along with the puncture needle synchronously can be avoided;
4. in the liquid discharging process, residual liquid medicine can be concentrated into the connector of the puncture outfit, so that the liquid medicine can be conveniently drained through the inlet of the puncture needle, and the residual liquid medicine quantity is reduced;
5. the bottom wall structure of the protective cap can facilitate the inverted placement of a liquid medicine bottle connected with a liquid medicine puncture connector on the platform.
Drawings
FIG. 1 is a schematic view of a medical fluid puncturing connector provided in the present embodiment;
FIG. 2 is a sectional view of the medical fluid puncturing connector provided in this embodiment;
FIG. 3 is another schematic view of the medical fluid spike connector of the present embodiment.
Detailed Description
The liquid medicine piercing connector of the present invention will be further described with reference to fig. 1 to 3.
A liquid medicine puncture connector is characterized in that: comprising a connecting cap 1 and a protective cap 2.
The inner wall of the connecting cover 1 is provided with a connecting thread 14, the connecting cover 1 is connected to a liquid outlet of an infusion bottle through the connecting thread 14, a puncture outfit connecting port 11 extending back to the connecting cover 1 is arranged at the central position of the bottom wall of the connecting cover 1, the puncture outfit connecting port 11 is internally provided with an internal thread 111 and a puncture outfit connecting sealing ring 112, and the puncture outfit connecting sealing ring 112 is positioned at the inner side of the internal thread 111 and is provided with a sealing notch 113; the puncture outfit connection sealing ring 112 is positioned on one side of the internal thread 111 facing the inner cavity 15 of the connection cover 1, and the puncture needle of the puncture outfit is in threaded fit with the puncture outfit connection port and can jack up the sealing notch after rotating so as to drain the liquid medicine in the liquid medicine bottle bag. The protective cap 2 is connected to the side wall of the connection cap 1 in a turnover manner through a flexible connection sheet 3 and can be covered on the bottom wall of the connection cap 1 to shield the puncture device connection port 11, and a suction bowl structure 24 capable of enabling a liquid medicine bottle connected with the liquid medicine puncture connector to be placed in an inverted manner is arranged on the bottom wall 23 of the protective cap 2.
Specifically, sealed incision 113 is the cross mar, and the puncture in-process has the external screw thread on the outer wall of pjncture needle, and the pjncture needle rotates the puncture ware through this external screw thread fit in puncture ware connector 11, and under the screw thread fit effect, the pjncture needle moves towards the inner chamber of connecting lid 1, and this in-process, pjncture needle syringe needle make puncture ware connect sealing washer 112 warp in cross mar department, passes puncture ware simultaneously and connects sealing washer 112 and reach the drainage effect.
When the puncture needle conducts drainage, the head of the puncture needle is lower than the upper pipe orifice of the puncture device connector 11, so that the puncture needle is positioned in the puncture device connector 11, in this case, the liquid medicine remained in the puncture device connector 11 can conveniently flow into the liquid inlet of the head of the puncture needle, and the residual liquid medicine is reduced as much as possible.
The protective cap 2 is provided with an inner cap body 21, the outer side wall of the inner cap body 21 is provided with a clamping rib 211, the connecting cover 1 is provided with a circumferential wall 12 at a position corresponding to the periphery of the puncture device connecting port 11, and the inner wall of the circumferential wall 12 is provided with a clamping groove 121 for clamping the clamping rib 211. In a non-use state, the inner cap body 21 is covered on the puncture outfit connector 11 through the buckling of the buckling rib 211 and the buckling groove 121, and plays a role in protecting the puncture outfit connector 11.
The protective cap 2 is further provided with an outer cap body 22, the outer cap body 22 is located at the periphery of the inner cap body 21, the outer cap body 22 can shield the annular surrounding wall 12, and the double-sealing effect is realized by matching with the inner cap body 21, namely, the outer cap body 22 prevents the environment from polluting the mouth of the liquid medicine bottle, and the inner cap body 21 is used for blocking the liquid.
The connecting cover 1, the protective cap 2 and the puncture outfit connecting sealing ring 112 are made of the same material, so that the connecting cover, the protective cap and the puncture outfit connecting sealing ring are directly formed in an injection molding manner during production, can be directly collected and processed after being used, do not need to separate all parts, and have the characteristics of convenience in production and processing.
The bottom wall of the connecting cover 1 is provided with a sealing ring 13, and the sealing ring 13 is of an inverted cone structure. After the connecting cover 1 is connected to the bottle mouth of the infusion bottle through the threaded connection structure, the sealing ring 13 enters the bottle mouth, and an effective sealing effect is achieved.
An elastic turnover piece 4 which drives the protective cap 2 to rotate towards the puncture outfit connecting port 11 is arranged between the protective cap 2 and the connecting cap 1. Under the action of the elastic turnover piece 4 and no other external force, the elastic turnover piece 4 can drive the protective cap 2 to rotate towards the puncture outfit connecting port 11, so that the protective cap 2 can approximately shield the puncture outfit connecting port 11.
The cup sucking structure 24 is a central portion of the bottom wall 23 of the protective cap, which is recessed inwards, so that the edge profile of the bottom wall of the protective cap is supported on the platform when the bottle is placed, and the central portion of the bottom wall is in a suspended state, thereby improving the stability of placing the liquid medicine bottle upside down.
When the puncture outfit is used specifically, the opening end of the connecting cover 1 is connected to the opening of an infusion bottle through a connecting thread 14, then the protective cap 2 is opened, the puncture needle of the puncture outfit is connected into the puncture outfit connecting port 11 through a thread, and the liquid medicine in the infusion bottle is drained; after infusion is finished, the bottle cap can be directly collected and processed.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the orientation or positional relationship in the present invention are only used for exemplary illustration and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific situation by combining the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.

Claims (8)

1. A liquid medicine puncture connector is characterized in that: comprises a connecting cover and a protective cap;
the bottom wall of the connecting cover is provided with a puncture outfit connecting port, the puncture outfit connecting port is internally provided with an internal thread and a puncture outfit connecting sealing ring, the puncture outfit connecting sealing ring is positioned at the inner side of the internal thread and is provided with a sealing notch, and the puncture needle of the puncture outfit is in threaded fit with the puncture outfit connecting port and can jack the sealing notch after rotating so as to drain the liquid medicine in the liquid medicine bottle bag;
the protective cap is connected to the side wall of the connecting cover in a turnover mode through the flexible connecting sheet, the protective cap can be covered on the bottom wall of the connecting cover to shield the puncture device connector, and a suction bowl structure capable of enabling a liquid medicine bottle connected with the liquid medicine puncture connector to be placed in an inverted mode is arranged on the bottom wall of the protective cap.
2. The medical fluid puncturing connector according to claim 1, wherein: the sealing cuts are cross-shaped scratches.
3. The medical fluid puncturing connector as claimed in claim 1, wherein: the protective cap is provided with an inner cap body, the outer side wall of the inner cap body is provided with a clamping rib, the connecting cover is provided with an annular surrounding wall corresponding to the periphery of the puncture device connector, and the inner wall of the annular surrounding wall is provided with a clamping groove for clamping the clamping rib.
4. The medical fluid puncturing connector as claimed in claim 3, wherein: the protective cap is also provided with an outer cap body, and the outer cap body can shield the annular surrounding wall.
5. The medical fluid puncturing connector according to claim 1, wherein: the connecting cover, the protective cap and the puncture outfit connecting sealing ring are made of the same material.
6. The medical fluid puncturing connector as claimed in claim 1, wherein: the sealing ring is arranged on the bottom wall of the connecting cover and is of an inverted cone structure.
7. The medical fluid puncturing connector as claimed in claim 1, wherein: an elastic turnover sheet which drives the protective cap to rotate towards the puncture outfit connecting port is arranged between the protective cap and the connecting cap.
8. The medical fluid puncturing connector according to claim 1, wherein: the central part of the bottom wall of the protective cap is inwards sunken by the bowl sucking structure.
CN202211005755.1A 2022-08-22 2022-08-22 Liquid medicine puncture connector Withdrawn CN115300720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211005755.1A CN115300720A (en) 2022-08-22 2022-08-22 Liquid medicine puncture connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211005755.1A CN115300720A (en) 2022-08-22 2022-08-22 Liquid medicine puncture connector

Publications (1)

Publication Number Publication Date
CN115300720A true CN115300720A (en) 2022-11-08

Family

ID=83862559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211005755.1A Withdrawn CN115300720A (en) 2022-08-22 2022-08-22 Liquid medicine puncture connector

Country Status (1)

Country Link
CN (1) CN115300720A (en)

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Application publication date: 20221108

WW01 Invention patent application withdrawn after publication