Medical liquid bag making equipment
By using core needles and welding machines in medical liquid bag making equipment, automated welding of the conduit section and the membrane layer is achieved, solving the inefficiency problem caused by the dispersion of existing equipment structures and improving the bag making efficiency.
Patent Information
- Application Number
- CN202422012232.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing medical liquid bag bag making equipment has a dispersed structure, which is difficult to achieve automation and has low bag making efficiency.
The core needle is inserted into the conduit section, and the welding machine welds two layers of film to form a bag body, combining pipe cutting, blowing, printing, cutting, gas inspection and cutting structures to achieve automated bag making.
The bag making efficiency of medical liquid bags is improved, and the automatic connection and detection of the catheter section and the bag body are realized, forming an efficient bag making process.
Smart Images

Figure CN223072061U_ABST
Abstract
Description
Technical Field
[0001] The utility model patent relates to the technical field of medical liquid bags, and more specifically, to a bag-making device for medical liquid bags. Background Art
[0002] Liquid bags are applied in various industries for storing liquid substances. The most commonly used ones are medical liquid bags for preparing medicinal liquids in hospitals. The medical liquid bag has an inner cavity for containing the medicinal liquid, and is connected with a catheter section for communicating with the inner cavity to facilitate the input or output of the medicinal liquid.
[0003] In the prior art, a bag-making device for medical liquid bags is used to prepare medical liquid bags, but its structure is scattered, it is difficult to achieve automatic bag-making, and the bag-making efficiency is relatively low. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a bag-making device for medical liquid bags, aiming to solve the problem of low bag-making efficiency existing in the bag-making device for medical liquid bags in the prior art.
[0005] The utility model is implemented as follows. The bag-making device for medical liquid bags includes a core needle that is movably arranged and used for inserting the catheter section, a film feeding structure for transporting two layers of film layers arranged up and down, and a welding machine for welding the two layers of film layers to form a bag body. After the core needle places the catheter section between the two layers of film layers, the welding machine welds the two layers of film layers to form a bag body, and the catheter section is inserted at the end of the bag body, and the bag body and the catheter section form a medical liquid bag.
[0006] Furthermore, the bag-making device for medical liquid bags includes a tube cutting structure for cutting the catheter into catheter sections of a set length.
[0007] Furthermore, the bag-making device for medical liquid bags includes a catheter coil wound with a catheter and a catheter chuck. The tube cutting structure clamps and pulls out the tube from the catheter coil. After the tube cutting structure cuts the catheter section from the catheter, the catheter chuck clamps the catheter section and inserts the catheter section onto the core needle.
[0008] Furthermore, the bag-making device for medical liquid bags includes a blowing head for blowing ion wind towards the catheter section on the core needle.
[0009] Furthermore, the film feeding structure includes a plurality of film cylinders wound with film layers and a film pulling structure for synchronously transporting the film layers on the plurality of film cylinders.
[0010] Furthermore, the bag-making device for medical liquid bags includes a printing structure for printing patterns on the film layer.
[0011] Further, the medical liquid bag bag-making device includes a cutting structure for cutting two film layers to form film blocks. The film blocks enter a welding machine, and the catheter segments are inserted into the film blocks. The welding machine welds the film blocks to form the bag body.
[0012] Further, the medical liquid bag bag-making device includes a gas detection structure for detecting whether the catheter segments and the bag body are fixedly connected.
[0013] Further, the medical liquid bag bag-making device includes a blanking structure for classifying and discharging the medical liquid bags after being detected by the gas detection structure.
[0014] Further, the blanking structure includes a conveyor belt and a manipulator. The manipulator places the medical liquid bags that pass the detection by the gas detection structure on the conveyor belt for output blanking, and places the medical liquid bags that fail the detection by the gas detection structure into a collection box.
[0015] Compared with the prior art, for the medical liquid bag bag-making device provided by the present utility model, the catheter segments are inserted on the core needles. After the core needles place the catheter segments between two film layers, the welding machine welds the two film layers to form the bag body. The catheter segments and the bag body are connected as a whole to form a medical liquid bag. The whole bag-making process is simple, realizing automatic bag-making with high bag-making efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a top view schematic diagram of the medical liquid bag bag-making device provided by the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model.
[0018] The following describes the implementation of the present utility model in detail with specific embodiments.
[0019] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.
[0020] Refer toFigure 1 As shown, it is a preferred embodiment provided by the present utility model.
[0021] A medical liquid bag making device includes a core needle that is movably arranged and used for inserting a catheter section, a film feeding structure for transmitting two layers of film layers 301 arranged up and down, and a welding machine 600 for welding the two layers of film layers 301 to form a bag body. After the core needle places the catheter section between the two layers of film layers 301, the welding machine 600 welds the two layers of film layers 301 to form a bag body, and the catheter section is inserted at the end of the bag body, and the bag body and the catheter section form a medical liquid bag 302.
[0022] For the above-mentioned medical liquid bag making device provided, the catheter section is inserted on the core needle. After the core needle places the catheter section between the two layers of film layers 301, the welding machine 600 welds the two layers of film layers 301 to form a bag body. The catheter section and the bag body are connected as a whole to form a medical liquid bag 302. The whole bag making process is simple, realizes automatic bag making, and has high bag making efficiency.
[0023] In this embodiment, the medical liquid bag making device includes a pipe cutting structure 101 for cutting the catheter into catheter sections of a set length. In this way, the corresponding catheter sections can be cut according to the length requirements of the catheter sections actually needed.
[0024] In this embodiment, the medical liquid bag making device includes a catheter coil 100 wound with a catheter and a catheter chuck. The pipe cutting structure 101 clamps and pulls out the pipe in the catheter coil 100. After the pipe cutting structure 101 cuts the catheter section from the catheter, the catheter chuck clamps the catheter section and inserts the catheter section on the core needle.
[0025] In this way, it is convenient for continuous cutting and feeding of the catheter sections, maintaining the continuity of the whole bag making process and greatly improving the bag making efficiency.
[0026] In this embodiment, the medical liquid bag making device includes a blowing head 200 that blows ion wind towards the catheter section on the core needle.
[0027] In this embodiment, the film feeding structure includes a plurality of film cylinders 300 wound with film layers 301 and a film pulling structure for pulling the film layers 301 on the plurality of film cylinders 300 to be synchronously transmitted. In this way, continuous feeding of the film layers 301 is maintained, and synchronous transmission of the two layers of film layers 301 can be achieved during the process of pulling the film layers 301.
[0028] The number of film cylinders 300 can be two, or more than two, which can be determined according to actual needs.
[0029] The medical liquid bag making device includes a printing structure 400 for printing patterns on the film layer 301. In this way, according to actual needs, the required patterns can be formed on the finally formed medical liquid bag 302.
[0030] In this embodiment, the medical liquid bag making device includes a cutting structure 500 that cuts two film layers 301 to form film blocks. The film blocks enter a welding machine 600, and the catheter segments are inserted into the film blocks. The welding machine 600 welds the film blocks to form a bag body. In this way, the film blocks are first formed by cutting, and then welded in the welding machine 600 to form a bag body, greatly improving the bag making efficiency of the medical liquid bag 302.
[0031] The medical liquid bag making device includes a gas detection structure 700 for detecting whether the catheter segment is fixedly connected to the bag body. The gas detection structure 700 automatically detects whether the catheter segment is welded to the bag body and automatically punches open the holes that are half-opened during the welding of the bag body again.
[0032] In this embodiment, the medical liquid bag making device includes a blanking structure that classifies and discharges the medical liquid bags 302 after being detected by the gas detection structure 700. In this way, the qualified or unqualified medical liquid bags 302 detected by the gas detection structure 700 can be separately processed.
[0033] The blanking structure includes a conveyor belt 800 and a manipulator. The manipulator places the medical liquid bags 302 that are qualified after being detected by the gas detection structure 700 on the conveyor belt 800 for output blanking, and the manipulator places the unqualified medical liquid bags 302 detected by the gas detection structure 700 into a collection box.
[0034] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims
1. A medical liquid bag making device, characterized in that, It includes a stylet for movably arranging and inserting a catheter segment, a film feeding structure for transporting two layers of film layers arranged one above the other, and a welding machine for welding the two layers of film layers to form a bag body; after the stylet places the catheter segment between the two layers of film layers, the welding machine welds the two layers of film layers to form a bag body, and the catheter segment is inserted at the end of the bag body, and the bag body and the catheter segment form a medical liquid bag.
2. The medical liquid bag bag-making device according to claim 1, characterized in that, The medical liquid bag making device includes a tube cutting structure for cutting the catheter into catheter segments of a set length.
3. The medical liquid bag bag-making device according to claim 2, characterized in that, The medical liquid bag making device includes a catheter coil wound with a catheter and a catheter chuck. The tube cutting structure clamps and pulls out the tube in the catheter coil. After the tube cutting structure cuts the catheter segment from the catheter, the catheter chuck clamps the catheter segment and inserts the catheter segment onto the stylet.
4. The medical liquid bag bag-making equipment according to any one of claims 1 to 3, characterized in that, The medical liquid bag making device includes a blowing head for blowing ionized air towards the catheter segment on the stylet.
5. The medical liquid bag bag-making device according to any one of claims 1 to 3, characterized in that The film feeding structure includes a plurality of film cylinders wound with film layers and a film pulling structure for synchronously transporting the film layers on the plurality of film cylinders.
6. The medical liquid bag bag-making device according to any one of claims 1 to 3, characterized in that, The medical liquid bag making device includes a printing structure for printing patterns on the film layers.
7. The medical liquid bag bag-making device according to any one of claims 1 to 3, characterized in that, The medical liquid bag making device includes a cutting structure for cutting the two layers of film layers into film blocks. The film blocks enter the welding machine, the catheter segment is inserted into the film blocks, and the welding machine welds the film blocks to form the bag body.
8. The medical liquid bag bag-making device according to any one of claims 1 to 3, characterized in that, The medical liquid bag making device includes a gas detection structure for detecting whether there is a fixed connection between the catheter segment and the bag body.
9. The medical liquid bag bag-making device according to claim 8, characterized in that, The medical liquid bag making device includes a discharging structure for classifying and discharging the medical liquid bags after being detected by the gas detection structure.
10. The medical liquid bag bag-making device according to claim 9, characterized in that, The discharging structure includes a conveyor belt and a manipulator. The manipulator places the medical liquid bags that pass the detection of the gas detection structure on the conveyor belt for discharging, and the manipulator places the medical liquid bags that fail the detection of the gas detection structure into a collection box.