Dual-purpose combined bottle cap for infusion and flushing

Abstract

The utility model relates to a transfusion and flushing dual-purpose combined bottle cap which comprises an outer cap, a rubber plug and an inner cap, and the rubber plug and the inner cap are arranged on the inner wall of the outer cap in a sleeved mode to be connected in a clamped mode. By adopting the triple structure that the outer cover, the rubber plug and the inner cover are mutually meshed and compressed, the requirements of large volume parenteral production specifications and sealing sterilization are met on the whole, the safety of liquid medicine in the storage and transportation process is also ensured, and the leakage of the liquid medicine is effectively prevented; according to the design of the bottle cap, the requirements of different use scenes are considered, and when small-flow infusion or medicine adding is needed, a puncture outfit can be used for puncturing the rubber plug and the inner cap for infusion and medicine adding only by tearing off the easy-to-tear ring of the outer cap; when large-flow liquid medicine needs to be poured to wash the wound, the easy-to-pull strip of the outer cover can be pulled away, the outer cover and the rubber plug can be taken down, the inner cover is exposed, then the easy-to-tear ring of the inner cover is torn off, large-flow pouring is achieved, and the design meets the requirements of medical institutions for daily medicine adding and infusion and adapts to the special scene of large-diameter and large-flow wound washing.

Description

Technical Field

[0001] The utility model relates to the technical field of medical appliance accessories, in particular to a dual-purpose combined bottle cap for infusion and flushing. Background Art

[0002] The existing combined bottle caps of large infusion plastic bags / plastic bottles are generally composed of three parts: an outer cover, an inner cover, and a rubber plug tightly pressed between the inner and outer covers. After the three parts are pressed into a combined cover by an assembly press, they are welded to a sealed body with a plastic bag / plastic bottle containing liquid medicine. After the easy-tear pull ring on the top of the outer cover is pulled open, the rubber plug is exposed, but the rubber plug is still limited between the outer cover and the inner cover and cannot be easily removed. Only a puncture device can be used to penetrate the rubber plug and the top of the inner cover to perform small-flow dosing and infusion. Even in an emergency, the entire combined cover cannot be easily removed or the combined cover body cannot be disassembled to implement large-caliber and large-flow pouring of liquid medicine to flush the wound. Utility Model Content

[0003] In order to overcome the problem that the combined cover in the prior art cannot be easily removed as a whole or disassembled, and can only achieve small-flow drug addition and infusion, but cannot achieve large-caliber and large-flow wound flushing in emergency situations. The utility model provides a detachable combined cover, which can achieve conventional small-flow drug addition and infusion under normal circumstances. However, in emergency situations, by pulling out the easy-pull strip on the outer wall of the outer cover, removing the outer cover and the rubber plug, exposing the inner cover, and then pulling open the easy-tear pull ring on the top of the inner cover, large-caliber and large-flow liquid can be poured to flush the wound.

[0004] In order to solve the above technical problems, the utility model is realized through the following technical scheme: an injection and flushing dual-purpose combination bottle cap, comprising an outer cover, a rubber stopper and an inner cover; an easy-tear pull ring is provided on the top of the outer cover, and the outer ring of the easy-tear pull ring is provided with an outer cover limiting sealing rib matching the rubber stopper; a full circle of easy-tear strips is provided at the lower part of the outer cover body, and two outer cover retaining ribs matching the inner cover are provided above the easy-tear strips and on the inner wall of the outer cover body, and a combination groove matching the inner cover is provided below the easy-tear strips and on the inner wall of the outer cover body; limiting sealing grooves matching the inner and outer covers are provided on both sides of the rubber stopper; an easy-tear pull ring is also provided on the top of the inner cover, and the inner ring of the easy-tear pull ring is provided with an inner cover limiting sealing rib matching the rubber stopper; inner cover retaining ribs matching the outer cover are provided on the upper part of the outer wall of the inner cover body, and a combination rib matching the outer cover is provided on the lower part of the outer wall.

[0005] In this combined bottle cap, the rubber plug is tightly pressed between the inner cover and the outer cover through its own limiting sealing groove and the limiting sealing ribs of the inner cover and the outer cover. The outer cover and the inner cover are tightly combined through the combined groove and the combined ribs to form a combined bottle cap for injection and flushing. Normally, pull the easy-tear pull ring on the top of the outer cover, use a puncture device to pierce the rubber plug and the top of the inner cover to achieve conventional small-flow dosing and infusion; in emergency situations, pull out the easy-tear pull strip on the outer wall of the outer cover, remove the outer cover and the rubber plug, expose the inner cover, and then pull out the easy-tear pull ring on the top of the inner cover to achieve large-caliber and large-flow pouring of liquid medicine to flush the wound; the outer cover and the rubber plug that have been pulled out of the easy-tear pull strip can be re-engaged through the positioning ribs of the inner and outer covers to form a simple seal, which can seal the liquid medicine in the plastic bag / bottle for a short time to prevent open contamination.

[0006] In the initial assembly state, the inner cover retaining ribs are engaged with the lower retaining ribs of the outer cover, which can just make the outer cover limiting sealing ribs, the limiting sealing grooves, and the inner cover limiting sealing ribs tightly pressed together, and are used for sealing and connecting the outer cover, the rubber plug, and the inner cover in the initial assembly state and in the conventional infusion and dosing state;

[0007] The inner wall of the outer cover is provided with an outer cover upper retaining rib. When the outer cover easy-pull strip and the inner cover easy-tear pull ring are pulled out, the inner cover retaining rib and the outer cover upper retaining rib are engaged with each other, so that the outer cover limit sealing rib, the limit sealing groove and the inner cover can be tightly pressed together, which is used for short-term sealing and connection between the outer cover, the rubber plug and the inner cover.

[0008] The bottom end of the outer wall of the inner cover is provided with a combination rib, and the bottom end of the inner wall of the outer cover is provided with a combination groove, which is clamped on the outer wall of the combination rib.

[0009] Preferably, the dual-purpose combination bottle cap for infusion and flushing has a full circle of easy-pull strips on the lower part of the outer cover body, which is a continuous whole with the outer cover wall before being pulled away and can be welded with the plastic bag / bottle to form a sealed body; the easy-pull strip can be pulled away in a full circle and separated from the entire outer cover; the height of the easy-pull strip is slightly higher than the height of the limiting sealing rib at the top of the inner cover.

[0010] Preferably, in the dual-purpose combined bottle cap for infusion and flushing, two annular retaining ribs or threads are provided above the outer cover pull strip and on the inner wall of the outer cover body, and the inner diameter of the outer cover retaining ribs or threads is slightly smaller than the outer diameter of the inner cover retaining ribs or threads; when the outer cover pull ring is not pulled out, the inner cover retaining ribs or threads are tightly engaged with the lower retaining ribs or threads of the outer cover; after the outer cover pull strip and the inner cover tear ring are pulled out, the three parts of the inner, outer cover and the rubber plug are re-engaged through the inner cover retaining ribs or threads and the outer cover retaining ribs or threads to form a simple sealing body with the plastic bag / bottle, thereby sealing the liquid medicine in the plastic bag / bottle for a short time and preventing open contamination.

[0011] Preferably, the dual-purpose combination bottle cap for infusion and flushing has a tear ring on the top of the inner cap, which is a continuous whole with the inner cap before being torn open and can be welded to the plastic bag / bottle to form a sealed body; the tear ring can be torn off as a whole; a ring-shaped inner cap limiting sealing rib is provided inside the circle of the tear ring and on the top of the inner cap, and the limiting sealing rib can be torn off as a whole together with the tear ring.

[0012] Preferably, in the dual-purpose combined bottle cap for infusion and flushing, the outer wall of the inner cover is provided with an annular retaining rib or thread, the outer diameter of the inner cover retaining rib or thread is slightly larger than the inner diameter of the outer cover retaining rib or thread; when the outer cover pull ring is not pulled out, the inner cover retaining rib or thread is tightly engaged with the lower retaining rib or thread of the outer cover; after the outer cover pull strip and the inner cover tear ring are pulled out, the inner, outer covers and the rubber plug are re-engaged through the inner cover retaining rib or thread and the outer cover retaining rib or thread to form a simple sealing body with the plastic bag / bottle, thereby sealing the liquid medicine in the plastic bag / bottle for a short time and preventing open contamination.

[0013] The beneficial effects of the utility model are:

[0014] 1. The triple structure of the outer cover, rubber plug and inner cover of the utility model bottle is interlocked and pressed together to achieve a double sealing effect. The seal between the outer cover and the rubber plug, as well as the seal between the rubber plug and the inner cover, meet the production specifications of large-volume infusion and the requirements of sealing and sterilization as a whole, and also ensure the safety of the liquid medicine during storage and transportation, and effectively prevent the leakage of the liquid medicine. The bottle cap design takes into account the needs of different usage scenarios. When a small flow of infusion or dosing is required, only the tear-off ring of the outer cover can be torn off, and the puncture device can be used to pierce the rubber plug and the inner cover for infusion and dosing; and when a large flow of liquid medicine is needed to flush the wound, the pull strip can be pulled, the outer cover and the rubber plug can be removed, and the inner cover can be exposed to achieve large flow pouring. This design not only meets the daily infusion needs of the hospital, but also adapts to the special scenario of large flow flushing;

[0015] 2. The design of the bottle cap fully considers the usage habits of medical staff. The bottle cap can be easily opened and closed by simply tearing and pulling, which improves the work efficiency of medical staff. All parts of the bottle cap are made of medical grade materials to ensure the safety and reliability of the product. At the same time, the structural design of the bottle cap also fully considers the safety of use and avoids possible accidental injuries during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model.

[0018] Figure 1-2Middle: 1. Outer cover tear-off ring; 2. Outer cover limit sealing rib; 3. Outer cover upper retaining rib; 4. Outer cover lower retaining rib; 5. Pull-off strip; 6. Combination groove; 7. Limit sealing groove; 8. Inner cover limit sealing rib; 9. Inner cover tear-off ring; 10. Inner cover retaining rib; 11. Combination rib; 12. Outer cover; 13. Rubber plug; 14. Inner cover; 15. Combination cover welded cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-2 The illustrated dual-purpose combined bottle cap for infusion and flushing comprises an outer cover 12, a rubber plug 13 and an inner cover 14. The rubber plug 13 and the inner cover 14 are sleeved on the inner wall of the outer cover 12 for clamping connection, and the rubber plug 13 is located at the top of the inner cover 14; the top of the inner wall of the inner side of the outer cover 12 is fixedly connected with an outer cover limiting sealing rib 2, and both ends of the rubber plug 13 are provided with limiting sealing grooves 7. The outer wall of the outer cover limiting sealing rib 2 matches the inner wall of a limiting sealing groove 7, and is used for sealing connection between the outer cover 12 and the rubber plug 13; the inner wall of the outer cover 12 is fixedly connected with an outer cover upper clamping rib 3 and an outer cover lower clamping rib 4, and the inner cover The outer top end of 14 is fixedly connected with the inner cover retaining rib 10, the outer wall of the inner cover retaining rib 10 is tightly engaged with the inner side of the outer cover upper retaining rib 3 and the outer cover lower retaining rib 4, and the inner cover retaining rib 10 is sealed and connected, the outer bottom end of the inner cover 14 is fixedly connected with the combination rib 11, and the bottom end of the inner wall of the outer cover 12 is provided with a combination groove 6, and the combination groove 6 is clamped on the outer wall of the combination rib 11; the top end of the inner cover 14 is fixedly connected with the inner cover limiting sealing rib 8, and the inner wall of another limiting sealing groove 7 matches the outer wall of the inner cover limiting sealing rib 8, so as to seal the plug 13 and the inner cover 14 with each other.

[0021] When in use, the combined cover welding cover 15 is welded to the plastic bag / bottle mouth filled with liquid medicine to form a sealed body, and sterilization is completed to obtain a large infusion product. When traditional intravenous infusion is required during use, the easy-tear pull ring 1 of the outer cover is torn off, and the medical staff can insert the puncture device at one end of the infusion tube through the rubber stopper 13 and the top of the inner cover 14, and then insert it into the plastic bag / bottle to achieve a small flow of infusion or dosing;

[0022] When a large-caliber and large-flow pouring liquid is needed to flush the wound, the outer cover 12 and the rubber plug 13 are removed by pulling the easy-tear strip 5 to expose the inner cover 14, and then the inner cover easy-tear pull ring 9 on the top of the inner cover is pulled open to achieve a large-caliber and large-flow pouring liquid to flush the wound.

[0023] The top of the outer cover 12 is fixedly connected with an outer cover tear ring 1 for tearing it off for use, the outer side of the outer cover tear ring 1 is fixedly connected with an easy-pull strip 5 for tearing off the upper half of the outer cover 12 and the rubber plug 13 to remove, a combined cover welded cover 15 is provided on the inner side of the bottom end of the inner cover 14 for fixedly sealingly connecting it with the mouth of the hanging water bottle, the outer side of the top of the inner cover 14 is fixedly connected with an inner cover tear ring 9 for tearing the top of the inner cover 14 open, and the materials of the outer cover 12, rubber plug 13 and inner cover 14 are all made of medical grade materials.

[0024] In summary, the utility model has the following working principle: when in use, the combined cover welding cover 15 is welded to the plastic bag / bottle mouth filled with liquid medicine to form a sealed body, and sterilization is completed to obtain a large infusion product. When traditional intravenous infusion is required during use, the easy-tear pull ring 1 of the outer cover is torn off, and at this time, the medical staff can insert the puncture device at one end of the infusion tube through the rubber plug 13 and the top of the inner cover 14, and then insert it into the plastic bag / bottle to achieve a small flow of infusion or dosing;

[0025] When it is necessary to pour the liquid medicine with a large diameter and a large flow rate to flush the wound, by pulling the easy-to-pull strip 5, removing the outer cover 12 and the rubber plug 13, exposing the inner cover 14, and then pulling open the inner cover easy-to-tear ring 9 on the top of the inner cover, the liquid medicine with a large diameter and a large flow rate can be poured to flush the wound, thus completing the overall working process of the device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual-purpose combined bottle cap for infusion and flushing, comprising an outer cap (12), a rubber plug (13) and an inner cap (14), characterized in that: The rubber plug (13) and the inner cover (14) are sleeved on the inner wall of the outer cover (12) for clamping connection, and the rubber plug (13) is located at the top of the inner cover (14); The top of the outer cover (12) is provided with an outer cover limiting sealing rib (2), the front and back sides of the rubber plug (13) are provided with limiting sealing grooves (7), the inner wall of the outer cover (12) is provided with an outer cover lower retaining rib (4), the outer wall of the inner cover (14) is provided with an inner cover retaining rib (10), and the top of the inner cover (14) is provided with an inner cover limiting sealing rib (8). In the initial combined state, the inner cover retaining rib (10) and the outer cover lower retaining rib (4) are engaged with each other, so that the outer cover limiting sealing rib (2), the limiting sealing groove (7) and the inner cover limiting sealing rib (8) can be tightly pressed together, so as to seal and connect the outer cover (12), the rubber plug (13) and the inner cover (14) in the initial combined state and in the conventional infusion and dosing state; The inner wall of the outer cover (12) is provided with an outer cover upper retaining rib (3). When the outer cover easy-tear strip (5) and the inner cover easy-tear pull ring (9) are pulled off, the inner cover retaining rib (10) engages with the outer cover upper retaining rib (3), so that the outer cover limiting sealing rib (2), the limiting sealing groove (7) and the inner cover (14) can be tightly pressed together, so as to achieve short-term sealing and connection between the outer cover (12), the rubber plug (13) and the inner cover (14); The bottom end of the outer wall of the inner cover (14) is provided with a combination rib (11), and the bottom end of the inner wall of the outer cover (12) is provided with a combination groove (6), and the combination groove (6) is clamped to the outer wall of the combination rib (11).

2. The dual-purpose combination bottle cap for infusion and flushing according to claim 1, characterized in that: The top of the inner cover (14) is provided with an inner cover tear-away ring (9) for tearing off the top of the inner cover to expand the flushing aperture for flushing wounds with a large flow rate.

3. The dual-purpose combination bottle cap for infusion and flushing according to claim 1, characterized in that: The outer side of the outer cover (12) is provided with an easy-pull strip (5) for pulling off the upper half of the outer cover (12) and the rubber plug (13) to remove them, thereby exposing the inner cover (14).

4. The dual-purpose combination bottle cap for infusion and flushing according to claim 1, characterized in that: The outer cover (12), the rubber plug (13) and the inner cover (14) are all made of medical grade materials.

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