Lock-on infusion packaging

Abstract

This utility model discloses a locking infusion packaging. The locking infusion packaging includes: a storage device comprising a storage body and a connector connected together; the storage body has a storage cavity for storing medication; the connector includes a connector body with a first channel communicating with the storage cavity and a sealing portion for sealing the first channel; and an infusion assembly including a puncture component, comprising a needle body and a puncture part connected together; the needle body has a second channel; the puncture part is located at the end of the needle body and has an inlet communicating with the second channel; wherein the puncture component has a first connecting portion, and the connector has a second connecting portion, the first and second connecting portions cooperating to connect the connector and the puncture component and restricting the relative displacement of the connector and the puncture component; when the puncture component is in the working position, the puncture part passes through the sealing portion and connects to the first and second channels through the inlet.

Description

Technical Field

[0001] This utility model relates to a locking infusion packaging. Background Technology

[0002] In the prior art, when using a locking infusion pack for injection, the needle is usually inserted into the rubber stopper on the reservoir bag or reservoir bottle. The liquid in the reservoir bag enters the catheter connected to the needle through the needle and is then infused into the human body.

[0003] However, since the needle is only connected to the rubber stopper by the resistance of the insertion, it is easy to accidentally pull the catheter connected to the needle during the injection process, causing the needle to detach from the rubber stopper and thus affecting the normal progress of the injection. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defect of the needle easily detaching from the rubber stopper in the prior art, and to provide a locking infusion packaging.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] A locking infusion pack, characterized in that it comprises:

[0007] A liquid storage device includes a liquid storage body and a connector connected together. The liquid storage body has a liquid storage cavity for storing liquid medicine. The connector includes a connector body, which has a first channel communicating with the liquid storage cavity and a sealing part for sealing the first channel.

[0008] An infusion assembly includes a puncture component, the puncture component including a needle body and a puncture part connected to each other, the needle body having a second channel, the puncture part being located at the end of the needle body, and the puncture part having an inlet communicating with the second channel;

[0009] The puncture component is provided with a first connecting part, and the connector is provided with a second connecting part. The first connecting part and the second connecting part cooperate to connect the connector and the puncture component, and restrict the relative displacement of the connector and the puncture component.

[0010] When the puncture component is in the working position, the puncture part passes through the sealing part and connects the first channel and the second channel through the liquid inlet.

[0011] In this technical solution, by providing a first connecting part and a second connecting part that cooperate with each other on the puncture component and the connector respectively, it is possible to effectively connect the connector and the puncture component while restricting the relative displacement of the connector and the puncture component, thereby effectively preventing the puncture component from falling off the connector.

[0012] Preferably, the first connecting part and the second connecting part are threaded together, the first connecting part has a first thread and the second connecting part has a second thread.

[0013] In this technical solution, by setting specific structures for the first connecting part and the second connecting part, and through the threaded engagement of the first thread and the second thread, the puncture component can be more effectively prevented from falling off the connector.

[0014] Preferably, the puncture component further includes a first cover body covering the needle body, the inner wall of the first cover body being provided with the first thread; the outer wall of the connector body being provided with the second thread.

[0015] In this technical solution, by setting a first cover, on the one hand, the needle body can be protected; on the other hand, the position for setting the first thread can be provided.

[0016] Preferably, the connector body further includes a guide channel, and the sealing portion isolates the first channel and the guide channel;

[0017] When the puncture component is in the working position, the outer wall of the needle body abuts against the inner wall of the guide channel.

[0018] In this technical solution, by setting a guide channel on the connector body, on the one hand, it can provide a guiding function when the needle is inserted; on the other hand, you can limit the needle by having the outer wall of the needle abut against the inner wall of the guide channel.

[0019] Preferably, the inner wall of the guide channel extends obliquely outward from the direction of the liquid storage body to the connector; and the outer wall of the needle body extends obliquely outward from the direction of the puncture portion to the needle body.

[0020] In this technical solution, the above-mentioned settings can better achieve the contact between the inner wall of the guide channel and the outer wall of the needle body, as well as the precise control of the specific position of the needle body in the guide channel, so that the puncture part at the end of the needle body can reach the preset position during its operation more efficiently.

[0021] Preferably, the puncture component further includes a holding portion, one end of which is connected to the outer wall of the needle body, and the other end extends away from the needle body, and the holding portion is disposed on the side of the first cover away from the puncture portion.

[0022] In this technical solution, a holding part is provided to facilitate the holding of the puncture component.

[0023] Preferably, from the puncture site to the needle body, the inlet includes a first side and a second side;

[0024] When the puncture component is in the working position, the first side is closer to the fluid reservoir than the side of the sealing portion facing the fluid reservoir, and the second side is flush with the side of the sealing portion facing the fluid reservoir, or farther away from the fluid reservoir than the side of the sealing portion facing the fluid reservoir.

[0025] In this technical solution, the above-mentioned settings enable all the liquid medicine in the first channel to flow into the second channel through the inlet, thus avoiding waste of the liquid medicine in the storage chamber.

[0026] Preferably, the connector further includes:

[0027] The second cover is provided outside the connector body, and the end near the liquid storage body is connected to the connector body, while the end away from the liquid storage body has an opening;

[0028] A seal for sealing the opening.

[0029] In this technical solution, by setting a second cover, the connector body can be protected; by setting a sealing element to seal the opening, a sealed space is formed for the connector body through the cooperation of the sealing element and the second cover, thereby ensuring that it is in a sterile environment before use.

[0030] Preferably, the end of the puncture portion away from the needle body has a gradually tapering pointed structure; and / or,

[0031] The number of liquid inlets is multiple, and the multiple liquid inlets are opened on the side wall of the puncture part and are spaced apart circumferentially along the puncture part; and / or,

[0032] From the liquid storage body to the connector, the first channel extends obliquely inward; and / or,

[0033] The infusion assembly also includes a catheter connected to the end of the needle body away from the puncture site.

[0034] In this technical solution, by setting the end of the puncture part to a gradually tapering pointed structure, the end of the puncture part can more easily puncture the first seal. By providing multiple liquid inlets, which are opened on the side wall of the puncture part and spaced apart circumferentially along the puncture part, the liquid in the reservoir can flow out more evenly and smoothly from the multiple liquid inlets.

[0035] Preferably, the sealing part is a sealing film, and the sealing part is integrally formed with the main body.

[0036] In this technical solution, by setting the sealing part as a sealing membrane, it is possible to avoid the generation of debris when puncturing the sealing membrane (when the needle is inserted into the rubber stopper, the rubber stopper will generate debris), which would affect the delivery of the medicine. By setting the sealing part to be integrally formed with the main body, on the one hand, the structure can be made more compact, and on the other hand, the manufacturing process steps can be reduced.

[0037] The positive and progressive effects of this utility model are as follows:

[0038] This invention, by providing a first connecting part and a second connecting part that cooperate with each other on the puncture component and the connector respectively, can effectively connect the connector and the puncture component while restricting the relative displacement of the connector and the puncture component, thereby effectively preventing the puncture component from falling off the connector. Attached Figure Description

[0039] Figure 1 This is a three-dimensional exploded view of a locking infusion package provided as an exemplary embodiment of the present invention.

[0040] Figure 2 This is a cross-sectional structural schematic diagram of a liquid storage device for a locking infusion package provided as an exemplary embodiment of the present invention.

[0041] Figure 3 A three-dimensional structural diagram of the locking infusion packaging provided in an exemplary embodiment of the present invention when it is in the working position.

[0042] Figure 4 This is a cross-sectional view of the locking infusion package in the working position, provided as an exemplary embodiment of the present invention.

[0043] Figure 5 for Figure 4 A magnified schematic diagram of part A in the middle.

[0044] Figure 6 for Figure 5 A magnified schematic diagram of part B in the middle section.

[0045] Figure 7 A three-dimensional structural schematic diagram of the connector of a locking infusion packaging provided for an exemplary embodiment of the present invention.

[0046] Figure 8 A cross-sectional view of the connector of a locking infusion package provided as an exemplary embodiment of the present invention.

[0047] Figure 9 A three-dimensional structural schematic diagram of the puncture component of a locking infusion package provided as an exemplary embodiment of the present invention.

[0048] Figure 10This is a cross-sectional structural schematic diagram of the puncture component of a locking infusion package provided as an exemplary embodiment of the present invention.

[0049] Explanation of reference numerals in the attached figures

[0050] Lock-on infusion packaging 1

[0051] Liquid storage device 2

[0052] Liquid storage body 21

[0053] Liquid storage chamber 211

[0054] Connector 22

[0055] Connector body 23

[0056] First Channel 231

[0057] Sealing part 232

[0058] Guide Channel 233

[0059] Second connecting part 24

[0060] Second cover 25

[0061] Opening 251

[0062] Seal 26

[0063] Infusion Component 3

[0064] 31 puncture component

[0065] Needle body 32

[0066] Second Channel 321

[0067] 33 Puncture site

[0068] Liquid inlet 331

[0069] First side 3311

[0070] Second side 3312

[0071] First connecting part 34

[0072] First cover 35

[0073] Control Department 36

[0074] Catheter 37 Detailed Implementation

[0075] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0076] Please combine Figures 1 to 10It is understood that this embodiment provides a lockable infusion package 1, which includes: a liquid storage device 2 and an infusion assembly 3.

[0077] The liquid storage device 2 includes a liquid storage body 21 and a connector 22 connected to each other. The liquid storage body 21 is provided with a liquid storage chamber 211 for storing liquid medicine. The connector 22 includes a connector body 23. The connector body 23 is provided with a first channel 231 communicating with the liquid storage chamber 211 and a sealing part 232 sealing the first channel 231.

[0078] The infusion assembly 3 includes a puncture component 31, which includes a needle body 32 and a puncture part 33 connected to each other. The needle body 32 has a second channel 321 inside, and the puncture part 33 is located at the end of the needle body 32. The puncture part 33 has an inlet 331 that communicates with the second channel 321.

[0079] The puncture component 31 is provided with a first connecting part 34, and the connector 22 is provided with a second connecting part 24. The first connecting part 34 and the second connecting part 24 cooperate to connect the connector 22 and the puncture component 31 and restrict the relative displacement of the connector 22 and the puncture component 31. When the puncture component 31 is in the working position, the puncture part 33 passes through the sealing part 232 and connects the first channel 231 and the second channel 321 through the liquid inlet 331.

[0080] In this way, by providing a first connecting part 34 and a second connecting part 24 that cooperate with each other on the puncture component 31 and the connector 22 respectively, it is possible to effectively connect the connector 22 and the puncture component 31 while restricting the relative displacement of the connector 22 and the puncture component 31, thereby effectively preventing the puncture component 31 from falling off the connector 22.

[0081] Specifically, in this embodiment, the first connecting portion 34 and the second connecting portion 24 are threaded together, with the first connecting portion 34 having a first thread and the second connecting portion 24 having a second thread. Thus, by setting the specific structure of the first connecting portion 34 and the second connecting portion 24, and through the threaded engagement of the first and second threads, the piercing component 31 can be more effectively prevented from detaching from the connector 22. However, this is not a limitation. In other embodiments, one of the first connecting portion 34 and the second connecting portion 24 is a protrusion, and the other is a groove. Through their snap-fit ​​engagement, the relative displacement of the connector 22 and the piercing component 31 can be limited while effectively connecting the connector 22 and the piercing component 31.

[0082] The puncture component 31 also includes a first cover 35 covering the needle body 32, the inner wall of the first cover 35 being provided with a first thread; the outer wall of the connector body 23 being provided with a second thread. In this way, by providing the first cover 35, on the one hand, the needle body 32 can be protected; on the other hand, the location for the first thread can be provided.

[0083] In this embodiment, the connector body 23 further includes a guide channel 233, and a sealing portion 232 separates the first channel 231 and the guide channel 233. When the puncture component 31 is in the working position, the outer wall of the needle body 32 abuts against the inner wall of the guide channel 233. Thus, by providing the guide channel 233 on the connector body 23, on the one hand, it can provide a guiding function when the needle body 32 is inserted; on the other hand, the outer wall of the needle body 32 abuts against the inner wall of the guide channel 233, thereby achieving a limiting function for the needle body 32.

[0084] Preferably, in the direction Q1 from the liquid reservoir 21 to the connector 22, the inner wall of the guide channel 233 extends obliquely outward; in the direction Q2 from the puncture part 33 to the needle body 32, the outer wall of the needle body 32 extends obliquely outward. This arrangement allows for better contact between the inner wall of the guide channel 233 and the outer wall of the needle body 32, and more precise control over the specific position of the needle body 32 within the guide channel 233. This enables the puncture part 33 at the end of the needle body 32 to reach its preset working position more efficiently. It should be noted that when the puncture component 31 is in the working position, the direction Q1 from the liquid reservoir 21 to the connector 22 and the direction Q2 from the puncture part 33 to the needle body 32 are in the same direction.

[0085] The puncture component 31 also includes a holding part 36, one end of which is connected to the outer wall of the needle body 32, and the other end extends away from the needle body 32. The holding part 36 is located on the side of the first cover 35 away from the puncture part 33. In this way, by providing the holding part 36, it is convenient to hold the puncture component 31.

[0086] In the direction Q2 from the puncture part 33 to the needle body 32, the inlet 331 includes a first side 3311 and a second side 3312. When the puncture part 31 is in the working position, the first side 3311 is closer to the reservoir 211 than the side of the sealing part 232 facing the reservoir 211, and the second side 3312 is flush with the side of the sealing part 232 facing the reservoir 211, or farther away from the reservoir 211 than the side of the sealing part 232 facing the reservoir 211. Thus, through the above arrangement, all the medication in the first channel 231 can flow into the second channel 321 through the inlet 331, avoiding waste of the medication in the reservoir 211. It should be noted that in the prior art, due to the relatively long length of the insertion needle, it is difficult for the operator to accurately control the insertion depth when inserting it into the rubber stopper. This can lead to the needle tip being inserted too deeply, meaning that the needle tip is far from the rubber stopper after insertion, making it difficult to retrieve some of the medication accumulated there, resulting in residual medication. In this embodiment, by setting the first side 3311 to be closer to the liquid storage chamber 211 than the side of the sealing part 232 facing the liquid storage chamber 211, and the second side 3312 to be flush with or further away from the side of the sealing part 232 facing the liquid storage chamber 211, i.e., the second side 3312 of the inlet 331 is set to be at zero distance from the sealing part 232, all the medication in the first channel 231 can flow into the second channel 321, thereby effectively avoiding the problem of residual medication.

[0087] Preferably, the connector 22 further includes a second cover 25 and a seal 26. The second cover 25 covers the connector body 23, with one end near the liquid storage body 21 connected to the connector body 23, and the other end away from the liquid storage body 21 forming an opening 251. Thus, by providing the second cover 25, the connector body 23 can be protected. The seal 26 is used to seal the opening 251. Thus, by providing the seal 26 to seal the opening 251, a sealed space is formed for the connector body 23 through the cooperation of the seal 26 and the second cover 25, thereby ensuring that it is in a sterile environment before use. Specifically, the seal 26 is detachably sealed to the opening 251, so that the seal 26 can be removed from the opening 251 during use. Figure 7 In order to better show the structure inside the opening 251, the seal 26 is removed.

[0088] Preferably, the end of the puncture portion 33 away from the needle body 32 is a gradually tapering pointed structure. In this way, by setting the end of the puncture portion 33 to a gradually tapering pointed structure, the end of the puncture portion 33 can more easily puncture the sealing portion 232.

[0089] There are multiple inlet ports 331, which are located on the side wall of the puncture section 33 and spaced apart circumferentially along the puncture section 33, so that the liquid in the reservoir 211 can flow out more smoothly from the multiple inlet ports 331. In this embodiment, there are three inlet ports 331, which are equidistantly spaced circumferentially along the puncture section 33, so that the liquid in the reservoir 211 can flow out more evenly and smoothly from the multiple inlet ports 331.

[0090] In the direction Q1 from the liquid storage body 21 to the connector 22, the first channel 231 extends obliquely inward so that the liquid can more easily accumulate in the first channel 231 near the sealing part 232, and then be discharged through the liquid inlet 331.

[0091] The infusion assembly 3 also includes a catheter 37, which is connected to the end of the needle body 32 away from the puncture site 33 to introduce the drug solution into the injection device.

[0092] Preferably, the sealing part 232 is a sealing membrane, and the sealing part 232 is integrally formed with the main body. In this way, by setting the sealing part 232 as a sealing membrane, it is possible to avoid the generation of debris when puncturing the sealing membrane (when the needle is inserted into the rubber stopper, debris will be generated in the rubber stopper), which would affect the delivery of the medicine; by setting the sealing part 232 integrally formed with the main body, on the one hand, the structure can be made more compact, and on the other hand, the manufacturing process steps can be reduced.

[0093] In this embodiment, by providing a first connecting part 34 and a second connecting part 24 that cooperate with each other on the puncture component 31 and the connector 22 respectively, it is possible to effectively connect the connector 22 and the puncture component 31 while restricting the relative displacement of the connector 22 and the puncture component 31, thereby effectively preventing the puncture component 31 from falling off the connector 22.

[0094] When using the locking infusion packaging 1 of this embodiment, first remove the seal 26 of the connector 22, and install the needle component on the working position of the connector 22. Specifically, rotate the needle component and the connector 22 relative to each other to make the first thread and the second thread engage, and through the abutment of the inner wall of the guide channel 233 and the outer wall of the needle body 32, so that the needle component is located in the preset working position. During the process of the needle component reaching the working position, it will puncture the seal 232, so that the puncture part 33 passes through the seal 232 and connects the first channel 231 and the second channel 321 through the inlet 331.

[0095] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A lockable infusion package, characterized in that, It includes: A liquid storage device includes a liquid storage body and a connector connected together. The liquid storage body has a liquid storage cavity for storing liquid medicine. The connector includes a connector body, which has a first channel communicating with the liquid storage cavity and a sealing part for sealing the first channel. An infusion assembly includes a puncture component, the puncture component including a needle body and a puncture part connected to each other, the needle body having a second channel, the puncture part being located at the end of the needle body, and the puncture part having an inlet communicating with the second channel; The puncture component is provided with a first connecting part, and the connector is provided with a second connecting part. The first connecting part and the second connecting part cooperate to connect the connector and the puncture component, and restrict the relative displacement of the connector and the puncture component. When the puncture component is in the working position, the puncture part passes through the sealing part and connects the first channel and the second channel through the liquid inlet.

2. The lockable infusion package of claim 1, wherein, The first connecting part and the second connecting part are threaded together, the first connecting part has a first thread and the second connecting part has a second thread.

3. The locking infusion packaging as described in claim 2, characterized in that, The puncture component further includes a first cover body covering the needle body, the inner wall of the first cover body being provided with the first thread; the outer wall of the connector body being provided with the second thread.

4. The locking infusion packaging as described in claim 3, characterized in that, The connector body further includes a guide channel, and the sealing part isolates the first channel and the guide channel; When the puncture component is in the working position, the outer wall of the needle body abuts against the inner wall of the guide channel.

5. The locking infusion packaging as described in claim 4, characterized in that, From the liquid storage body to the connector, the inner wall of the guide channel extends obliquely outward; from the puncture part to the needle body, the outer wall of the needle body extends obliquely outward.

6. The locking infusion packaging as described in claim 3, characterized in that, The puncture component also includes a holding portion, one end of which is connected to the outer wall of the needle body, and the other end extends away from the needle body. The holding portion is located on the side of the first cover away from the puncture portion.

7. The locking infusion packaging as described in claim 1, characterized in that, From the puncture site to the needle body, the inlet includes a first side and a second side; When the puncture component is in the working position, the first side is closer to the fluid reservoir than the side of the sealing portion facing the fluid reservoir, and the second side is flush with the side of the sealing portion facing the fluid reservoir, or farther away from the fluid reservoir than the side of the sealing portion facing the fluid reservoir.

8. The locking infusion packaging as described in claim 1, characterized in that, The connector also includes: The second cover is provided outside the connector body, and the end near the liquid storage body is connected to the connector body, while the end away from the liquid storage body has an opening; A seal for sealing the opening.

9. The locking infusion packaging as described in claim 1, characterized in that, The end of the puncture section away from the needle body has a gradually tapering pointed structure; and / or, The number of liquid inlets is multiple, and the multiple liquid inlets are opened on the side wall of the puncture part and are spaced apart circumferentially along the puncture part; and / or, From the liquid storage body to the connector, the first channel extends obliquely inward; and / or, The infusion assembly also includes a catheter connected to the end of the needle body away from the puncture site.

10. The locking infusion packaging as described in any one of claims 1-9, characterized in that, The sealing part is a sealing film, and the sealing part is integrally formed with the main body.

Images