Sterile collagen implant production device
By designing a sterile collagen implant production device, and utilizing the combination of multi-way valves and push rods, the sterile mixing and filtration of collagen implants were achieved, solving the problem of contamination during the mixing process and ensuring the sterility and cleanliness of the product.
Patent Information
- Application Number
- CN202520245897.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-17
AI Technical Summary
How to ensure the sterility of the mixed gel material during the process and avoid contamination caused by exposure to air?
A sterile collagen implant production device was designed, including an injection unit and a filtration assembly. Through the concentric arrangement of the main syringe, right syringe, and left syringe, and the cooperation of multiple double-way valves and push rods, the sterile mixing and filtration of the solution are achieved, ensuring the sterility of the final product.
It achieves aseptic preparation of collagen implants, avoids the entry of external contaminants, meets the requirements for aseptic use, and filters out residue particles through the filter component, ensuring the cleanliness of the product.
Smart Images
Figure CN223716050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to aseptic collagen implant injection field, more specifically relates to a kind of aseptic collagen implant production device. BACKGROUND
[0002] Collagen is an important component of connective tissue, and is also the most important functional protein in the human or animal body. It provides nutrition for the growth, circulation and maintenance of lymph, cartilage, bone and blood. If these parts are damaged, collagen, a natural protein of the body, needs to be supplemented. It is convenient to absorb and can quickly coagulate blood to stop bleeding. It is widely used in bone repair.
[0003] In order to facilitate the injection of mixed gelatinous collagen, people need to mix different materials uniformly in advance, and only after the qualified products are prepared can they be used by medical staff. In this process, the gelatinous material will be exposed to the air. Therefore, how to ensure the sterile use of gelatinous material becomes a problem. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide a sterile collagen implant production device that can solve the above problems.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] A sterile collagen implant production device includes an injection part and a filter assembly arranged at the output end of the injection part. The injection part includes a main syringe, a right syringe and a left syringe arranged in a concentric circle. The inside of the left syringe, the right syringe and the main syringe respectively movably inserts a left push rod, a right push rod and a middle push rod. A right T-shaped double-way tube is arranged between the main syringe and the right syringe. A first double-way valve is installed on the left side of the right T-shaped double-way tube. A left T-shaped double-way tube is arranged between the main syringe and the left syringe. A third double-way valve is installed on the left T-shaped double-way tube. A liquid outlet head is fixed to the bottom of the main syringe. A second double-way valve is installed on the liquid outlet head.
[0007] According to the first aspect of the utility model, the filter assembly includes a filter connected to the bottom of the liquid outlet head and a cannula for connecting the main syringe and the filter. A cavity is horizontally arranged inside the filter. A filter membrane is arranged in the cavity.
[0008] According to the first aspect of the utility model, a rubber sleeve is arranged above the filter. A pipe opening is arranged below the filter.
[0009] According to the first aspect of the utility model, the cannula is embedded in the inner tube of the liquid outlet head. The rubber sleeve is sleeved on the outer tube of the liquid outlet head.
[0010] According to the first aspect of the utility model, the right T-shaped double-way pipe and the left T-shaped double-way pipe are symmetrically arranged on both sides below the main injector.
[0011] According to the first aspect of the utility model, the outer part of the right injector, the main injector and the left injector is respectively sleeved with a sterile paper-plastic bag.
[0012] According to the first aspect of the utility model, the right injector, the main injector and the left injector are respectively provided with heat-sealed pressure strips between the bottom of the corresponding sterile paper-plastic bag, and the top of the sterile paper-plastic bag is further provided with a plurality of tear-off points.
[0013] According to the first aspect of the utility model, the bottom of the left push rod, the middle push rod and the right push rod is respectively fixed with a plug, and the plug can vertically slide on the inner wall of the left push rod, the middle push rod and the right push rod respectively.
[0014] According to the first aspect of the utility model, the inside of the main injector is filled with collagen solution, the inside of the right injector is filled with crosslinking agent, and the inside of the left injector can be filled with other solution.
[0015] The above technical solution of the utility model has one of the following advantages or beneficial effects:
[0016] The utility model discloses a right push rod and a middle push rod are pushed and pulled after the first double-way valve is unscrewed, so that the solution in the right injector and the main injector is mixed and finally stays in the main injector, and then a third double-way valve is opened, the solution in the left injector is pushed into the main injector for mixing, the third double-way valve is further closed, and a left T-shaped double-way pipe is cut off, so that the finished product in the main injector can be directly used as a terminal product, the requirement of sterile preparation of collagen implant is met, and through the second double-way valve and the filter assembly, external garbage is prevented from entering the main injector. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further described below in combination with the drawings and examples.
[0018] ATTACHMENT Figure 1 It is the front view cross section structure schematic diagram of an embodiment of the utility model;
[0019] ATTACHMENT Figure 2 It is the front view cross section structure schematic diagram of the main injector of an embodiment of the utility model;
[0020] ATTACHMENT Figure 3 It is the front view cross section structure schematic diagram of the right injector of an embodiment of the utility model;
[0021] Figure 1 is a schematic diagram of a partial cross-sectional view of an embodiment of the present application. Figure 4 Figure 1 is a schematic diagram of a partial cross-sectional view of an embodiment of the present application.
[0022] In the figure: 1, right syringe; 2, crosslinking agent; 3, right T-shaped double tube; 4, first double valve; 5, liquid outlet head; 6, second double valve; 7, collagen solution; 8, third double valve; 9, left T-shaped double tube; 10, left syringe; 11, other solution; 12, main syringe; 13, left push rod; 14, sterile paper-plastic bag; 15, tear-off point; 16, middle push rod; 17, right push rod; 18, plug; 19, filter; 20, heat-sealed pressure strip; 21, filter membrane; 22, tube opening; 23, cavity; 24, rubber sleeve; 25, cannula. DETAILED DESCRIPTION
[0023] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and should not be understood as limiting the present application.
[0024] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application in that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.
[0025] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, etc. is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.
[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features.
[0027] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "connect" should be understood broadly, for example, it can be fixed connection or movable connection, can be detachable connection or non detachable connection, or integrally connected, can be mechanical connection, can be electrical connection or can communicate with each other, can be directly connected, can be indirectly connected through intermediate medium, can be the communication of two elements, indirect communication or the interaction of two elements.
[0028] The following disclosure provides many different implementations or examples to implement different schemes of the utility model.
[0029] Refer to the drawings Figure 1 To the drawings Figure 4 As shown in the drawings, a sterile collagen implant production device, including injection part and the filter assembly that sets up in injection part output end, injection part includes the main injector 12, right injector 1 and left injector 10 in concentric circle arrangement, the inside of main injector 12 is filled with collagen solution 7, the inside of right injector 1 is filled with crosslinking agent 2, the inside of left injector 10 can be filled with other solution 11, for example, phosphate buffer.
[0030] In an embodiment of the utility model, the inside of right injector 1 is movably inserted with right push rod 17, the inside of left injector 10 is movably inserted with left push rod 13, the bottom of left push rod 13, middle push rod 16 and right push rod 17 is fixed with plug 18 respectively, plug 18 can be respectively adhered to the inner wall of left push rod 13, middle push rod 16 and right push rod 17 and vertically slides, and plug 18, left push rod 13, middle push rod 16 and right push rod 17 are arranged in concentric circle, which is consistent with the arrangement mode of main injector 12, right injector 1 and left injector 10.
[0031] In an embodiment of the utility model, the bottom of main injector 12 is fixed with liquid outlet head 5, second double-way valve 6 is installed on liquid outlet head 5, second double-way valve 6 can control the opening and closure of liquid outlet head 5, right T-shaped double-way pipe 3 is arranged between main injector 12 and right injector 1, first double-way valve 4 is installed on the left side of right T-shaped double-way pipe 3, and the opening and closure of right T-shaped double-way pipe 3 are controlled by first double-way valve 4.
[0032] In an embodiment of the utility model, left T-shaped double-way pipe 9 is arranged between main injector 12 and left injector 10, third double-way valve 8 is installed on left T-shaped double-way pipe 9, right T-shaped double-way pipe 3 and left T-shaped double-way pipe 9 are symmetrically arranged on the two sides below main injector 12, and the specification of first double-way valve 4 and second double-way valve 6 is the same, third double-way valve 8 can control the opening and closure of left T-shaped double-way pipe 9, and then the communication of right injector 1 and left injector 10 with main injector 12 is controlled respectively.
[0033] In one embodiment of the utility model, the filter assembly includes a filter 19 clamped with the bottom of the liquid outlet head 5 and a cannula 25 for connecting the main injector 12 and the filter 19, the filter 19 is provided with a cavity 23 in the inside, and the cavity 23 is provided with a filter membrane 21, so that the main injector 12, the right injector 1 and the left injector 10 are connected with each other to realize the rapid preparation of the finished product injection gel, and the filter assembly arranged at the output end of the injection part and the filter membrane 21 arranged in the filter can filter out the dregs particles, guarantee the cleanliness of the gel in the main injector 12, and the second double valve 6 at the top can prevent the external garbage from entering the main injector 12, which can be manually removed by the doctor during use.
[0034] In one embodiment of the utility model, the right injector 1, the main injector 12 and the left injector 10 are respectively sleeved with sterile paper plastic bags 14, and the right injector 1, the main injector 12 and the left injector 10 are respectively provided with heat sealing pressure strips 20 at the bottoms of the corresponding sterile paper plastic bags 14. Figure 1 to the drawings Figure 4 The right sterile paper plastic bag 14 is removed, the first double valve 4 is unscrewed, the right push rod 17 and the middle push rod 16 are pushed and pulled, the crosslinking agent 2 in the right injector 1 is mixed with the collagen solution 7 in the main injector 12, and finally stays in the main injector 12;
[0035] The right T-shaped double pipe 3 is cut off through the first double valve 4, the second double valve 6 is opened to freeze dry the whole injector, the second double valve 6 is closed after the glutaraldehyde of the crosslinking agent 2 is removed;
[0036] The left sterile paper plastic bag 14 is torn off, the third double valve 8 is opened, and the other solution 11 in the left injector 10 is pushed into the main injector 12 for mixing;
[0037] The third double valve 8 is closed and the left T-shaped double pipe 9 is cut off, only the central main injector 12 is left as the finished product, and the filter 19 at the bottom can be directly used after being removed. Therefore, the finished product in the main injector 12 can be directly used as the terminal product, which meets the requirements of sterile preparation of the collagen implant. And through the second double valve 6, the filter 19 and the filter membrane 21, the external garbage is prevented from entering the main injector 12.
[0038] In one embodiment of the utility model, a plurality of tear-off points 15 are arranged at the top of each sterile paper plastic bag 14, and the specific operation is shown in the drawings Figure 1 and the drawings Figure 3As shown, the sterile paper plastic bag 14 is sealed with the right syringe 1, the main syringe 12 and the outer wall of the left syringe 10 by the heat-sealed pressure strip 20 at the bottom, and when different push rods are used, the sterile paper plastic bag 14 can be opened or completely removed by tearing along the tear point 15, so that the cleanliness of a part of the sterile collagen implant production device when not in use can be ensured.
[0039] In an embodiment of the utility model, a rubber sleeve 24 is sleeved above the filter 19, a pipe opening 22 is arranged below the filter 19, a cannula 25 is embedded in the pipe body of the liquid outlet head 5, and the rubber sleeve 24 is sleeved outside the pipe body of the liquid outlet head 5, so that the lower part of the pipe body of the liquid outlet head 5 can be connected with the filter 19 through the cannula 25 and the rubber sleeve 24.
[0040] In an embodiment of the utility model, the sterile paper plastic bag 14 is sealed with the right syringe 1, the main syringe 12 and the outer wall of the left syringe 10 by the heat-sealed pressure strip 20 at the bottom, and when different push rods are used, the sterile paper plastic bag 14 can be opened or completely removed by tearing along the tear point 15, so that the cleanliness of a part of the sterile collagen implant production device when not in use can be ensured.
[0041] Firstly, the right sterile paper plastic bag 14 is removed, the first double-way valve 4 is screwed open, the right push rod 17 and the middle push rod 16 are pushed and pulled, so that the crosslinking agent 2 in the inside is mixed with the collagen solution 7 and finally stays in the main syringe 12;
[0042] Further, the first double-way valve 4 is closed and the right T-shaped double-way pipe 3 is cut off, the second double-way valve 6 is opened to freeze dry the whole syringe, after the glutaraldehyde of the crosslinking agent 2 is removed, the second double-way valve 6 is closed;
[0043] Further, the left sterile paper plastic bag 14 is torn off, the third double-way valve 8 is opened, other solutions 11 are pushed into the main syringe 12 to mix, the third double-way valve 8 is closed and the left T-shaped double-way pipe 9 is cut off, only the central main syringe 12 product is left;
[0044] Further, after the filter 19 at the bottom is removed, the product of the collagen cartilage repair gel can be injected.
[0045] In an embodiment of the utility model, reference is made to the drawings of Figure 1 , the drawings of Figure 2 and the drawings of Figure 4 As shown, when the filter 19 is used for freeze drying of the main syringe 12, the filter membrane 21 in the internal cavity 23 can filter out the dregs particles, so that the cleanliness of the gel in the inside of the main syringe 12 is ensured, and the second double-way valve 6 at the top can avoid the external garbage from entering the inside of the main syringe 12.
[0046] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. An apparatus for producing a sterile collagen implant, characterized by comprising: The injection part and the filter assembly arranged at the output end of the injection part, the injection part includes a main injector (12), a right injector (1) and a left injector (10) arranged in concentric circles, the inner part of the left injector (10), the right injector (1) and the main injector (12) is respectively movably connected with a left push rod (13), a right push rod (17) and a middle push rod (16), a right T-shaped double-way pipe (3) is arranged between the main injector (12) and the right injector (1), a first double-way valve (4) is arranged on the left side of the right T-shaped double-way pipe (3), a left T-shaped double-way pipe (9) is arranged between the main injector (12) and the left injector (10), a third double-way valve (8) is arranged on the left T-shaped double-way pipe (9), and a liquid outlet head (5) is fixed to the bottom of the main injector (12), and a second double-way valve (6) is arranged on the liquid outlet head (5).
2. The apparatus for producing a sterile collagen implant according to claim 1, characterized in that: The filter assembly includes a filter (19) clamped to the bottom of the liquid outlet head (5) and a cannula (25) for connecting the main injector (12) and the filter (19), and a cavity (23) is arranged in the inner part of the filter (19), and a filter membrane (21) is arranged in the cavity (23).
3. The apparatus for producing a sterile collagen implant according to claim 2, characterized in that: A rubber sleeve (24) is arranged above the filter (19), and a pipe opening (22) is arranged below the filter (19).
4. The apparatus for producing a sterile collagen implant according to claim 3, characterized in that: The cannula (25) is embedded in the inner part of the pipe body of the liquid outlet head (5), and the rubber sleeve (24) is sleeved on the outer part of the pipe body of the liquid outlet head (5).
5. The apparatus for producing a sterile collagen implant according to claim 1, characterized in that: The right T-shaped double-way pipe (3) and the left T-shaped double-way pipe (9) are symmetrically arranged on both sides below the main injector (12).
6. The apparatus for producing a sterile collagen implant according to claim 1, characterized in that: The outer part of the right injector (1), the main injector (12) and the left injector (10) is respectively sleeved with a sterile paper plastic bag (14).
7. The apparatus for producing sterile collagen implants according to claim 6, characterized in that: The right injector (1), the main injector (12) and the left injector (10) are respectively provided with a heat-sealed pressing strip (20) corresponding to the bottom of the sterile paper plastic bag (14), and a plurality of tear points (15) are further arranged on the top of the sterile paper plastic bag (14).
8. The apparatus for producing a sterile collagen implant according to claim 1, characterized in that: The bottom of the left push rod (13), the middle push rod (16) and the right push rod (17) is respectively fixed with a plug (18), and the plug (18) can vertically slide on the inner wall of the left push rod (13), the middle push rod (16) and the right push rod (17) respectively.
9. The apparatus for producing a sterile collagen implant according to claim 1, characterized in that: The inner part of the main injector (12) is filled with collagen solution (7), the inner part of the right injector (1) is filled with crosslinking agent (2), and the inner part of the left injector (10) can be filled with other solution (11).