Intravenous infusion assembly

Abstract

The utility model provides an intravenous infusion assembly, and belongs to the technical field of clinical nursing equipment. The intravenous infusion assembly comprises an inverted medicine bottle and a puncture outfit inserted into a bottle opening, the puncture outfit comprises a fixing head, an elastic body, a fixing sleeve, a lock catch and a puncture needle, the top of the fixing head is integrally connected with the puncture needle, the outer circumference of the fixing head is fixedly sleeved with the fixing sleeve, the elastic body is arranged in the fixing sleeve and arranged outside the puncture needle in a sleeving mode, and the elastic body is arranged in the fixing sleeve. The lock catch is rotatably arranged outside the fixing sleeve, and the lock catch can be selectively loosened or locked at the first ring table part at the bottle opening of the medicine bottle when rotating. Through the arrangement of the puncture outfit with a special structure, the risk that the puncture outfit falls off from the medicine bottle is avoided; due to the installation mode of the lock catch, clamping and loosening can be easily achieved, and liquid medicine is convenient to replace; if the lock catch is damaged, only the lock catch needs to be replaced, the whole puncture outfit does not need to be replaced, and medical cost is saved.

Description

Technical Field

[0001] This utility model belongs to the field of clinical nursing equipment technology, and in particular relates to an intravenous infusion component. Background Technology

[0002] An intravenous infusion set is a medical device used to deliver liquid medications or nutrients into a patient's body via a vein. It is widely used in hospitals and clinical settings to replenish body fluids, deliver medications, and provide nutritional support. This device can precisely control the infusion rate to ensure that patients receive adequate treatment.

[0003] In clinical practice, intravenous infusion sets are typically inserted into the infusion bottle via a puncture needle. Currently, most hospitals do not perform any post-insertion procedures on the infusion sets, leading to frequent dislodgement of the puncture needle during infusion. For example, in routine care, some patients without family members accompany them and need to frequently go to the restroom during infusion. During these movements, the infusion set may be pulled off. In such cases, some patients or family members lack aseptic technique and may attempt to reinsert the puncture needle into the infusion bottle, resulting in contamination of the medication and increasing the risk of infection. While some hospitals have installed hanging rods or straps at the puncture needle site to prevent dislodgement, these existing structures are not very stable. Furthermore, the frequent need to change medications during infusion makes these structures inconvenient. Additionally, if the hanging rod or other structure is damaged, the entire puncture set needs to be replaced, increasing medical costs.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an intravenous infusion assembly.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An intravenous infusion assembly includes an inverted medicine bottle with a puncture device inserted into its opening. The puncture device includes at least a fixed head, an elastomer, a fixed sleeve, a locking buckle, and a puncture needle. The puncture needle is integrally connected to the top of the fixed head, and the fixed sleeve is fixedly fitted around the outer circumference of the fixed head. The elastomer is disposed inside the fixed sleeve and fitted over the puncture needle, with its bottom surface abutting against the top surface of the fixed head. Two locking buckles are rotatably disposed outside the fixed sleeve and are symmetrically arranged. A first annular platform is provided outside the neck of the medicine bottle. When the puncture device is inserted into the opening of the medicine bottle, the locking buckles can rotate and lock onto the top surface of the first annular platform.

[0008] Compared with the prior art, the present invention has at least the following advantages:

[0009] The specially designed trocar eliminates the risk of it detaching from the vial; the locking mechanism allows for easy locking and unlocking, facilitating medication changes; and if the locking mechanism is damaged, only the locking mechanism needs to be replaced, eliminating the need to replace the entire trocar and saving medical costs. Attached Figure Description

[0010] Figure 1 This is a front view of the intravenous infusion assembly proposed in this utility model;

[0011] Figure 2 This is a partial cross-sectional view of the puncture device and the medicine bottle in the intravenous infusion assembly of this utility model;

[0012] Figure 3 A full sectional view of the puncture device of this utility model;

[0013] Figure 4 yes Figure 3 A magnified view of a portion of region A in the middle;

[0014] Figure 5 This is a three-dimensional structural diagram of the fixing sleeve, locking buckle, etc. in this utility model in conjunction with the medicine bottle;

[0015] Among them, 1-medicine bottle, 2-puncture device, 3-infusion tubing, 4-droplet, 5-flow regulation mechanism, 6-filtration mechanism, 7-connector, 8-injection needle assembly

[0016] 101 - First ring platform, 102 - Bottle stopper section,

[0017] 201-Fixing head, 202-Elastomer, 203-Fixing sleeve, 204-Lock, 205-Puncture needle, 206-Infusion channel, 207-Air inlet channel, 208-Groove portion.

[0018] 2031-Hinged hole, 2032-First top surface, 2021-Second top surface, 2051-Third top surface, 2052-Second ring platform, 2053-Conical fixing platform. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] like Figures 1 to 4 As shown, this utility model provides an intravenous infusion assembly, which includes an inverted medicine bottle 1. A puncture device 2 is inserted into the mouth of the medicine bottle 1. The bottom of the puncture device 2 is connected to an infusion tube 3. A drip tube 4 and a filter mechanism 6, which are connected to the inside of the infusion tube 3, are arranged sequentially from top to bottom on the infusion tube 3. A flow regulating mechanism 5 is also arranged outside the infusion tube 3 between the drip tube 4 and the filter mechanism 6. The end of the infusion tube 3, located downstream of the filter mechanism 6, is connected to an injection needle assembly 8 through a connector 7. The puncture device 2 includes at least a fixing head 201, an elastic body 202, a fixing sleeve 203, and a locking buckle 2. The puncture needle 205 is integrally connected to the top of the fixing head 201. A fixing sleeve 203 is fixedly sleeved (e.g., by thread) on the outer circumference of the fixing head 201. An elastic body 202 is disposed inside the fixing sleeve 203 and sleeved outside the puncture needle 205. The bottom surface of the elastic body 202 abuts against the top surface of the fixing head 201. A locking buckle 204 is rotatably disposed outside the fixing sleeve 203. A first annular platform 101 is provided outside the neck of the medicine bottle 1. When the puncture device 2 is inserted into the mouth of the medicine bottle 1, the locking buckle 204 can rotate and fasten to the top surface of the first annular platform 101 (see...). Figure 2 ).

[0023] It should be noted that during intravenous infusion, most hospitals currently do not perform any treatment on the infusion set after the puncture device is inserted. This often results in the puncture device falling off during the infusion process, increasing the risk of infection for the patient. This invention, through the above-mentioned design, securely locks the puncture device 2 to the neck of the medicine bottle 1 using the locking buckle 204, thereby eliminating the risk of the puncture device falling off the medicine bottle.

[0024] To better achieve the purpose of this utility model, two horizontally arranged hinge holes 2031 are formed on the outer surface of the fixing sleeve 203. The two hinge holes 2031 are symmetrically arranged and are both horizontal straight holes. There are two symmetrically arranged latches 204. Each latch 204 is a bent metal strip (a complete piece). The two ends of the metal strip are rotatably inserted into the two ends of the same hinge hole 2031. The middle part of the metal strip is bent so that when the latch 204 rotates, it can be fastened to the upper surface of the first annular platform 101 (see...). Figure 5 Preferably, each metal strip has a roller at its center for rolling and fastening to the upper surface of the first annular platform 101. It should be understood that the shape of the metal strips can be adjusted and they are not necessarily cylindrical; for example... Figure 5 As shown in the diagram. With the above setup, when the trocar 2 is inserted into the mouth of the medicine bottle 1, simply turning the locking buckle 204 will lock the trocar 2. When the medication needs to be changed, simply turn the locking buckle 204 again to release it from the medicine bottle 1. Furthermore, since both ends of the metal strips are inserted into the hinge holes 2031, if one or two metal strips (including the rollers) are damaged and unable to lock properly, only the corresponding ones need to be replaced, without replacing the entire trocar 2, thus saving medical costs.

[0025] To better achieve the purpose of this utility model, a second annular platform 2052 is formed at the bottom of the puncture needle 205. The second annular platform 2052 extends from top to bottom to the top surface of the fixing head 201. A conical fixing platform 2053 with an increasing diameter from top to bottom is formed on the outer surface of the second annular platform 2052. When the elastic body 202 is disposed in the fixing sleeve 203 and sleeved on the outside of the puncture needle 205, the elastic body 202 is at least partially embedded in the bottom of the conical fixing platform 2053. The second annular platform 2052 ensures that the puncture needle 205 stops at the predetermined position in time when it passes through the stopper 102 of the medicine bottle 1 (the nursing staff can judge this by the puncture resistance; it should be understood that the attached figure is only illustrative, and the diameter of the second annular platform 2052 can be increased to ensure that the nursing staff can identify this resistance); and the conical fixing platform 2053 ensures that the elastomer 202 can be stably set in the fixing sleeve 203. In addition, the conical fixing platform 2053 is set on the outer surface of the second annular platform 2052, so that the elastomer 202 will not be affected by the conical fixing platform 2053 when it is squeezed and deformed by the medicine bottle 1 or when it recovers its elasticity.

[0026] To better achieve the purpose of this utility model, a groove 208 is formed in the middle of the elastic body 202. The top surface of the fixing sleeve 203 is designated as the first top surface 2032, the top surface of the elastic body 202 is designated as the second top surface 2021, and the top surface of the second annular portion 2052 is designated as the third top surface 2051. Initially, the second top surface 2021 is located between the first top surface 2032 and the third top surface 2051 in the vertical direction. With this setup, when the puncture device 2 is inserted into the mouth of the medicine bottle 1, the mouth of the medicine bottle 1 can smoothly enter the fixing sleeve 203. When pressure is applied to lock the buckle 204, the medicine bottle 1 first deforms by pressing down on the elastic body 202, and then continues to puncture to the top surface of the second annular platform 2052. When puncture stops, the medicine bottle 1 is pushed upward under the elastic force of the elastic body 202, thus ensuring that the buckle 204 is firmly locked on the third top surface 2051. In addition, the stopper 102 itself is also an elastic body. During the puncture process, the stopper 102 may arch upward under the obstruction of the third top surface 2051. When locking is completed, the stopper 102 can return to the horizontal position because the medicine bottle 1 is pushed upward. This depends on the material of the elastic body 202 and the initial height difference between the second top surface 2021 and the third top surface 2051, which can be adjusted according to the actual situation and will not be elaborated here. It should also be noted that, in this process, the groove 208 avoids the influence of the elastomer 202 on the stopper 102.

[0027] To better achieve the purpose of this invention, the integral structure formed by the fixing head 201 and the puncture needle 205 also includes an infusion channel 206 and an air inlet channel 207. One end of the infusion channel 206 is connected to the infusion tube 3, and the other end is connected to the medicine bottle 1 when the puncture device 2 is inserted into the medicine bottle 1. The air inlet channel 207 is connected to the air inlet tube, and the pressure inside the medicine bottle 1 is balanced by air intake. Preferably, a gas filter structure is provided at the air inlet tube.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A venous transfusion assembly comprising a medicine bottle (1) set upside down, a piercing device (2) is inserted at the bottle mouth of the medicine bottle (1), characterized in that, The puncture device (2) comprises a fixed head (201), an elastic body (202), a fixed sleeve (203), a lock catch (204) and a puncture needle (205). The puncture needle (205) is integrally connected to the top of the fixed head (201). The fixed sleeve (203) is arranged on the outer circumference of the fixed head (201). The elastic body (202) is arranged in the fixed sleeve (203) and covers the puncture needle (205). The bottom surface of the elastic body (202) abuts against the top surface of the fixed head (201). The lock catch (204) is rotatably arranged outside the fixed sleeve (203) and symmetrically arranged in two. The first ring platform (101) is arranged outside the bottle neck of the medicine bottle (1). When the puncture device (2) is inserted into the bottle opening of the medicine bottle (1), the lock catch (204) can be rotated and clamped on the top surface of the first ring platform (101).

2. An intravenous infusion set as defined in claim 1, wherein The bottom of the puncture device (2) is connected with the infusion tube (3). The drip tube (4) and the filtering mechanism (6) are sequentially arranged on the infusion tube (3) from top to bottom and are in communication with the inside of the infusion tube (3). The flow adjusting mechanism (5) is arranged between the drip tube (4) and the filtering mechanism (6) outside the infusion tube (3). The end of the infusion tube (3) downstream of the filtering mechanism (6) is connected with the injection needle assembly (8) through the connecting head (7).

3. A venous infusion assembly according to claim 1 or 2, wherein The outer surface of the fixed sleeve (203) is formed with two horizontally arranged hinge holes (2031). The two hinge holes (2031) are symmetrically arranged and are both horizontally arranged straight holes. The lock catch (204) is symmetrically arranged in two. For each lock catch (204), it is a bent metal strip. The two ends of the metal strip are rotatably inserted into the two ends of the same hinge hole (2031). The middle part of the metal strip is bent so that the lock catch (204) can be clamped on the upper surface of the first ring platform (101) when it is rotated.

4. An intravenous fluid administration set as defined in claim 3, wherein, The bottom of the puncture needle (205) is formed with a second ring platform (2052). The second ring platform (2052) extends downward to the top surface of the fixed head (201). The outer surface of the second ring platform (2052) is formed with a tapered fixing platform (2053) with increasing diameter from top to bottom. When the elastic body (202) is arranged in the fixed sleeve (203) and covers the puncture needle (205), the elastic body (202) is at least partially embedded in the bottom of the tapered fixing platform (2053).

5. An intravenous fluid administration set as defined in claim 4, wherein, The middle part of the elastic body (202) is formed with a recessed part (208). The top surface of the fixed sleeve (203) is taken as a first top surface (2032). The top surface of the elastic body (202) is taken as a second top surface (2021). The top surface of the second ring platform (2052) is taken as a third top surface (2051). In the initial state, the second top surface (2021) is located between the first top surface (2032) and the third top surface (2051) in the vertical direction.

Images