Infusion bag connector internal sealing structure

Abstract

The utility model relates to the technical field of medical instruments, and provides an infusion bag connector internal sealing structure which comprises a liquid bag and a sealing mechanism. The flexible pipe and the horn mouth are arranged, the flexibility of the horn mouth is improved through the flexible pipe, a nurse can feed medicine inwards conveniently, the horn mouth plays a guiding role, a needle cylinder can be connected conveniently and more conveniently, the movable ring is pushed upwards to open the sealing plate, the telescopic spring is compressed after being pushed, and the sealing plate is closed. By arranging a connecting rod, a rotating spring, a lantern ring and a sealing plate, the sealing plate is opened, the rotating spring is deformed, the rotating spring is restored after the rotating spring is loosened, and the sealing plate is reset and tightly covered; after the pull ring and the sealing strip are connected, the interior is sealed for the second time, the pull ring is pulled outwards when opening is needed, operation is simple and efficient, and extra protection is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an internal sealing structure of an infusion bag interface. Background Art

[0002] The internal sealing structure of the infusion bag interface refers to the precision component located at the connection between the infusion bag and the infusion pipeline. Its design is to ensure that the drug solution does not leak during the transportation process and to ensure the safety of the patient's medication. This structural design ensures the safety and purity of the infusion liquid during the transportation process, and can also maintain the stability and durability of the infusion system. The optimized design of this internal sealing structure not only improves the convenience of the infusion process, but also builds a safety line for patients, ensuring that every infusion can be worry-free.

[0003] According to the search of China Utility Model Publication No.: CN217436537U, an internal rubber sealing structure of an infusion bag interface is disclosed. 1. The internal rubber sealing structure of the infusion bag interface, when removing the cover body, rotate the outer sleeve counterclockwise, the outer sleeve drives the needle through the tube to rotate, the needle through the tube moves upward under the restriction of the thread, the needle through the tube moves upward and drives the fixed top plate to move upward, the fixed top plate drives the top of the rubber airbag to move upward, thereby reducing the pressure on the gas inside the air cavity, so that the outer wall of the rubber airbag shrinks inward, thereby reducing the friction between the inner wall of the drainage interface, and the outer sleeve rotates while driving the connecting card strip to move in the counterclockwise direction, and the inner end of the connecting card strip moves out of the positioning card slot along the perforation, so that the connecting card strip releases the clamping connection between the drainage interface and the inner sleeve, so that the inner sleeve and the outer sleeve can be directly taken out downward, and the disassembly operation is simple and convenient.

[0004] However, when implementing the above technical solution, there are some issues that need to be considered: first, the sealing structure requires a needle to be inserted to operate when dispensing medicine, which is inconvenient for nurses to operate when dispensing medicine; second, the secondary sealing operation of the sealing structure is complicated, affecting work efficiency. Utility Model Content

[0005] The purpose of the present invention is to provide an internal sealing structure of an infusion bag interface to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an internal sealing structure of an infusion bag interface, comprising a liquid bag and a sealing mechanism, a hook being provided above the liquid bag, a sealing mechanism being provided below the liquid bag, a soft connection being provided below the liquid bag, a connecting port being provided below the soft connection, a sealing cover being provided on the outside of the connecting port, and a movable ring being provided below the sealing cover.

[0007] Preferably, a sealing strip is provided inside the flexible connection, and a pull ring is fixedly connected to the outside of the flexible connection, and the pull ring corresponds to the position of the sealing strip.

[0008] Preferably, the connection port and the sealing cover are threadedly connected, and a sealing ring is provided below the connection port, and the sealing ring fits tightly with the sealing cover.

[0009] Preferably, a connecting pipe is clamped on the bottom of the sealing cover, the bottom of the connecting pipe is connected to one end of a hose, and the other end of the hose is connected to a bell mouth.

[0010] Preferably, a limit plate is provided on the outer side of the bell mouth, the bottom of the limit plate is connected to one end of the telescopic spring, and the other end of the telescopic spring is connected to the movable ring.

[0011] Preferably, an anti-slip pad is provided on the outer side of the movable ring, the anti-slip pad is made of silicone material, and a protrusion is provided on the surface of the anti-slip pad.

[0012] Preferably, a connecting rod is provided on the right side of the movable ring, the outer side of the connecting rod is connected to one end of the rotary spring, the other end of the rotary spring is connected to a collar, and the right side of the collar is connected to a sealing plate.

[0013] Preferably, a sealing gasket is provided above the sealing plate, the sealing gasket fits tightly with the bell mouth, and the sealing gasket is made of silicone.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model is provided with a hose and a bell mouth, and the hose improves the flexibility of the bell mouth, which is convenient for the nurse to add medicine in. The bell mouth plays a guiding role, which is convenient for syringe connection and more convenient. By providing a limit plate, a telescopic spring and a movable ring, the movable ring is pushed upward to open the sealing plate, and the telescopic spring is compressed after pushing. After releasing the hand, the telescopic spring is restored, so that the movable ring is reset and the sealing plate is closed to prevent bacteria from entering. By providing a connecting rod, a rotating spring, a collar and a sealing plate, the sealing plate is opened, the rotating spring is deformed, and after releasing the hand, the rotating spring is restored to reset and the sealing plate is tightly closed.

[0016] The utility model provides a secondary seal inside by connecting a pull ring and a sealing strip. When opening is required, the pull ring can be pulled outward. The operation is simple and efficient, and additional protection is provided, which reduces the risk of patients being injured due to leakage of liquid medicine. By providing a sealing gasket, the sealing gasket is stuck in the bell mouth to prevent liquid from flowing out of the bell mouth and the hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of the sealing mechanism of the present invention.

[0019] Figure 3 This is a schematic diagram of the internal structure of the mobile ring of the present utility model.

[0020] Figure 4 This is a schematic diagram of the cooperation of the anti-slip pad, connecting rod, rotary spring, collar, sealing plate and sealing pad of the utility model.

[0021] In the figure: 1. Liquid bag; 2. Hook; 3. Sealing mechanism; 301. Flexible connection; 302. Sealing strip; 303. Pull ring; 304. Connecting port; 305. Sealing cover; 306. Sealing ring; 307. Connecting pipe; 308. Hose; 309. Bell mouth; 310. Limiting plate; 311. Telescopic spring; 312. Moving ring; 313. Anti-slip pad; 314. Connecting rod; 315. Rotating spring; 316. Ring; 317. Sealing plate; 318. Sealing pad. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-4 The utility model provides an embodiment: an internal sealing structure of an infusion bag interface, including a liquid bag 1 and a sealing mechanism 3, a hook 2 is provided above the liquid bag 1, a sealing mechanism 3 is provided below the liquid bag 1, a soft connection 301 is provided below the liquid bag 1, a connecting port 304 is provided below the soft connection 301, a sealing cover 305 is provided on the outside of the connecting port 304, and a movable ring 312 is provided below the sealing cover 305.

[0027] Specifically, a sealing strip 302 is provided inside the soft connection 301, and a pull ring 303 is fixedly connected to the outside of the soft connection 301. The pull ring 303 corresponds to the position of the sealing strip 302. After the sealing strip 302 is connected, the interior is sealed again. When it needs to be opened, just pull the pull ring 303 outward. The operation is simple and efficient, provides additional protection, and reduces the risk of patients being injured due to leakage of drug solution.

[0028] Specifically, the connection port 304 and the sealing cover 305 are threadedly connected, and a sealing ring 306 is provided below the connection port 304. The sealing ring 306 fits tightly with the sealing cover 305. The sealing ring 306 fits with the sealing cover 305 and the connection port 304, effectively preventing leakage.

[0029] Specifically, a connecting tube 307 is clamped at the bottom of the sealing cover 305, and the bottom of the connecting tube 307 is connected to one end of a hose 308. The other end of the hose 308 is connected to a bell mouth 309. The hose 308 improves the flexibility of the bell mouth 309, making it easier for nurses to add medicine inside. The bell mouth 309 plays a guiding role, facilitating the connection of the syringe and making it more convenient.

[0030] Specifically, a limit plate 310 is provided on the outside of the bell mouth 309. The bottom of the limit plate 310 is connected to one end of the telescopic spring 311, and the other end of the telescopic spring 311 is connected to the movable ring 312. The movable ring 312 is pushed upward to open the sealing plate 317. After pushing, the telescopic spring 311 is compressed. After releasing, the telescopic spring 311 is restored, so that the movable ring 312 is reset and the sealing plate 317 is closed to prevent bacteria from entering.

[0031] Specifically, an anti-slip pad 313 is provided on the outside of the movable ring 312. The anti-slip pad 313 is made of silicone material. A protrusion is provided on the surface of the anti-slip pad 313. The anti-slip pad 313 is convenient for nurses to operate. The silicone material is easy to disinfect and effectively prevents bacteria from growing.

[0032] Specifically, a connecting rod 314 is provided on the right side of the movable ring 312, and the outer side of the connecting rod 314 is connected to one end of the rotation spring 315, and the other end of the rotation spring 315 is connected to the ring 316, and the right side of the ring 316 is connected to the sealing plate 317. When the movable ring 312 is pushed backward, the sealing plate 317 opens and the rotation spring 315 is deformed. After being released, the rotation spring 315 is restored, and the sealing plate 317 is reset and tightly closed.

[0033] Specifically, a sealing gasket 318 is provided above the sealing plate 317 , and the sealing gasket 318 fits tightly with the bell mouth 309 . The sealing gasket 318 is made of silicone and is stuck in the bell mouth 309 to prevent liquid in the bell mouth 309 and the hose 308 from flowing out.

[0034] When the medicine is dispensed, first pull the pull ring 303 outward to open the sealing strip 302, push the movable ring 312 upward to open the sealing plate 317, push the telescopic spring 311 to compress, the sealing plate 317 opens, the rotating spring 315 deforms, and the hose 308 improves the flexibility of the bell mouth 309, which is convenient for the nurse to add medicine inward. The bell mouth 309 plays a guiding role, which is convenient for the syringe to connect and is more convenient. After releasing the hand, the telescopic spring 311 is restored, so that the movable ring 312 is reset. At the same time, the rotating spring 315 is restored, and the sealing plate 317 is reset and tightly closed to prevent bacteria from entering. The sealing gasket 318 is stuck in the bell mouth 309 to prevent the liquid in the bell mouth 309 and the hose 308 from flowing out. When storing, pinch the sealing strip 302 tightly to provide additional protection and reduce the risk of injury to the patient due to leakage of the medicine. At the same time, the sealing ring 306 fits with the sealing cover 305 and the connecting port 304 to effectively prevent leakage.

[0035] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. An internal sealing structure for an infusion bag interface, comprising a liquid bag (1) and a sealing mechanism (3), characterized in that: A hook (2) is provided above the liquid bag (1), a sealing mechanism (3) is provided below the liquid bag (1), a soft connection (301) is provided below the liquid bag (1), a connecting port (304) is provided below the soft connection (301), a sealing cover (305) is provided outside the connecting port (304), and a movable ring (312) is provided below the sealing cover (305).

2. The internal sealing structure of an infusion bag interface according to claim 1, characterized in that: A sealing strip (302) is provided inside the flexible connection (301), and a pull ring (303) is fixedly connected to the outside of the flexible connection (301), and the pull ring (303) corresponds to the sealing strip (302) in position.

3. The internal sealing structure of an infusion bag interface according to claim 1, characterized in that: The connection port (304) and the sealing cover (305) are threadedly connected. A sealing ring (306) is provided below the connection port (304), and the sealing ring (306) is tightly fitted to the sealing cover (305).

4. The internal sealing structure of an infusion bag interface according to claim 1, characterized in that: The bottom of the sealing cover (305) is clamped with a connecting pipe (307), the bottom of the connecting pipe (307) is connected to one end of a hose (308), and the other end of the hose (308) is connected to a bell mouth (309).

5. The internal sealing structure of an infusion bag interface according to claim 4, characterized in that: A limiting plate (310) is provided on the outer side of the bell mouth (309), the bottom of the limiting plate (310) is connected to one end of a telescopic spring (311), and the other end of the telescopic spring (311) is connected to a movable ring (312).

6. The internal sealing structure of an infusion bag interface according to claim 1, characterized in that: An anti-slip pad (313) is provided on the outer side of the movable ring (312), the anti-slip pad (313) is made of silica gel, and a protrusion is provided on the surface of the anti-slip pad (313).

7. The internal sealing structure of an infusion bag interface according to claim 1, characterized in that: A connecting rod (314) is provided on the right side of the movable ring (312), the outer side of the connecting rod (314) is connected to one end of a rotating spring (315), the other end of the rotating spring (315) is connected to a collar (316), and the right side of the collar (316) is connected to a sealing plate (317).

8. The internal sealing structure of an infusion bag interface according to claim 7, characterized in that: A sealing gasket (318) is provided above the sealing plate (317), and the sealing gasket (318) is tightly fitted with the bell mouth (309). The sealing gasket (318) is made of silicone.

Images