Disposable blood collection tube disinfecting gasket
By quickly connecting the equilateral triangular main sealing plate with the positioning boss of the blood collection tube cover, the problems of low sealing efficiency and high recycling costs in the existing technology are solved, achieving a highly efficient and safe sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU MAIK MEDICAL APP CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-07-28
AI Technical Summary
The existing blood collection tube cap and sealing plate have low bonding efficiency, which easily damages the seal when the blood collection needle is inserted, and the recycling cost is high.
The main sealing plate adopts an equilateral triangular shape and is equipped with a mounting slot and a needle insertion auxiliary slot. It is formed by mold pressing to achieve a fast and stable connection, avoids the use of sealant, and simplifies the production and disassembly process.
It improves the efficiency and safety of sealing connections, reduces production costs, simplifies assembly operations, and enhances sealing and safety.
Smart Images

Figure CN224557798U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of disposable blood collection tube technology, and in particular to a disposable blood collection tube disinfection sealing gasket. Background Technology
[0002] When manufacturing disposable blood collection tubes, the caps of these tubes are often made with multiple sealing structures. In the past, the caps were often directly bonded to the sealing sheets, resulting in relatively low efficiency during production. Furthermore, during later use, when the blood collection needle is inserted into the tube, the insertion process can easily exert force on the sealing gasket, posing a safety hazard to the seal between the sealing gasket and the cap. The cost of subsequent recycling and disposal is also relatively high. Utility Model Content
[0003] The purpose of this invention is to provide a disposable blood collection tube sterilization sealing pad. It adopts a novel structural design, allowing for rapid positioning and engagement with the positioning protrusions on the main structure of the disposable blood collection tube cap. Through the pressing of multiple layers, a fast, stable, and precise connection is achieved. The sealing pad does not require the use of sealant, resulting in higher overall production efficiency and lower production costs. It can be quickly disassembled for later recycling. No distinction between right and wrong or alignment is needed during production, making assembly easier. A needle auxiliary groove is provided in the middle, allowing for deformation space during needle insertion, preventing structural damage at the mating point and improving the tightness of the seal. This enhances the sealing safety after use.
[0004] The technical solution of this utility model is as follows:
[0005] A disposable blood collection tube sterilization sealing pad, characterized in that: it includes a main body fitting sealing plate with an equilateral triangle projection shape in the vertical direction, the main body fitting sealing plate being made of medical rubber material, and an installation slot with an outward opening provided on the outer edge surface of the main body fitting sealing plate near the included angle, the depth direction of the installation slot being parallel to the side surface of the main body fitting sealing plate on the adjacent side, and an arc-shaped snap-in guide structure for convenient fitting provided on the edge of the side surface where the installation slot is located, and symmetrical conical needle insertion auxiliary grooves provided on the upper and lower sides of the main body fitting sealing plate, the needle insertion auxiliary grooves being processed by mold pressing, and the needle insertion auxiliary grooves being located at the center of the main body fitting sealing plate.
[0006] Furthermore, the projection shape of the mounting slot combination groove in the vertical direction is a U-shaped structure.
[0007] Furthermore, the mounting slot combination groove is provided with a locking anti-loosening groove inside.
[0008] Furthermore, the depth to which the needle is inserted into the auxiliary groove is less than or equal to 0.3 mm.
[0009] Furthermore, the outer corner of the main body and the sealing plate is provided with a safety-fitting rounded corner structure.
[0010] The beneficial effects of this utility model are:
[0011] This utility model adopts a brand-new structural design, which can quickly position and cooperate with the positioning boss set on the main structure of the disposable blood collection tube cap during use. The fast, stable and precise connection is achieved through the pressing between the multi-layer structure. The sealing gasket does not need to be connected with sealant. The overall connection efficiency is higher and the production cost is lower. It can be quickly disassembled for later recycling. There is no need to distinguish between right and wrong and alignment during production. The assembly operation is more convenient. The needle auxiliary groove is set in the middle position. When the needle is inserted during later use, the center position can form a certain deformation space during the needle insertion process, which will not cause damage to the structure of the mating position, thereby improving the tightness of the seal and the sealing safety in later use. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0013] Figure 2 This is a front view of the present invention;
[0014] Figure 3 This is a schematic diagram of the left side of this utility model;
[0015] Figure 4 This is a schematic diagram on the right side of the present invention;
[0016] Figure 5 This is a top view of the present invention;
[0017] Figure 6 This is a bottom view of the present invention;
[0018] Figure 7 This is a three-dimensional structural diagram of the present invention in the second direction;
[0019] In the diagram: 1. Main body with sealing plate; 2. Installation slot; 3. Easy-fitting guide structure; 4. Needle insertion auxiliary slot. Detailed Implementation
[0020] like Figures 1 to 7As shown, a disposable blood collection tube sterilization sealing pad includes a main body sealing plate 1 with an equilateral triangle projection shape in the vertical direction. The triangular structure not only allows for a proper seal in the middle of a circular sealing cap but also saves material on the outer edges, reducing overall production costs. The main body sealing plate 1 is made of medical-grade rubber. An outward-facing mounting slot 2 is provided on the outer edge near the included angle, allowing for quick snap-fit installation with the positioning protrusion on the blood collection tube cap. It can be placed on the upper and lower sides inside the cap or stacked in multiple layers, offering greater flexibility in placement and easier disassembly for later recycling. This effectively reduces the cost of later recycling. The depth of the mounting slot 2 is parallel to the side of the main body sealing plate 1 on the adjacent side, improving structural stability on the outer side. An arc-shaped snap-fit guide structure 3 is provided on the edge of the side where the mounting slot 2 is located, facilitating assembly and placement during production and providing more space for initial fitting. The main body mating sealing plate 1 has symmetrical conical needle insertion auxiliary grooves 4 on its upper and lower sides, allowing the needle to be inserted from the middle position during use. The needle insertion auxiliary grooves 4 are manufactured using a mold pressing method, ensuring directional deformation at the middle position during needle insertion and preventing irregular deformation at the outer positions. The needle insertion auxiliary grooves 4 are located at the center of the main body mating sealing plate 1. It adopts a novel structural design, enabling rapid positioning and mating with the positioning bosses on the main structure of the disposable blood collection tube cap. Through the pressing of multiple layers, a fast, stable, and precise connection is achieved. The sealing gasket mating position does not require the use of sealant, resulting in higher overall production efficiency, lower production costs, and quick disassembly for later recycling. No need to distinguish between right and wrong or alignment during production, making assembly operations more convenient. The needle insertion auxiliary grooves at the middle position allow for deformation space during needle insertion, preventing structural damage at the mating position and improving the tightness of the seal, thus enhancing sealing safety after use.
[0021] Preferably, the mounting slot 2 has a U-shaped projection in the vertical direction, which provides a larger mounting space when mating, makes manufacturing easier, and makes installation more convenient.
[0022] Preferably, the mounting slot combination groove 2 is provided with a locking anti-loosening groove inside. This structure is set as needed. Usually, not setting this structure will not affect the fit during installation, but setting this structure can improve the stability and sealing of the fit position.
[0023] Preferably, the depth of the needle insertion into the auxiliary groove 4 is less than or equal to 0.3 mm. If it is too large, it will affect the overall structural strength and increase the difficulty of production and processing, which will lead to a significant increase in the defect rate during production.
[0024] Preferably, the outer corner of the main body and the sealing plate 1 is provided with a safety rounded corner structure, which improves the safety of the outer structure, avoids the existence of sharp corner structure, and improves safety during the installation and production process.
[0025] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements or substitutions can be made without departing from the principle of this utility model, and these improvements or substitutions should also be considered within the protection scope of this utility model.
Claims
1. A disposable blood collection tube sterilization sealing pad, characterized in that: The system includes a main body fitting sealing plate (1) with an equilateral triangle shape projected in the vertical direction. The main body fitting sealing plate (1) is made of medical rubber material. The outer edge of the main body fitting sealing plate (1) is provided with an outward-facing mounting slot (2) near the included angle. The depth direction of the mounting slot (2) is parallel to the side of the main body fitting sealing plate (1) on the adjacent side. The edge of the side where the mounting slot (2) is located is provided with an arc-shaped snap-in guide for convenient fitting. The upper and lower sides of the main body fitting sealing plate (1) are provided with symmetrical conical needle insertion auxiliary slots (4). The needle insertion auxiliary slots (4) are processed by mold pressing and are located at the center of the main body fitting sealing plate (1).
2. The disposable blood collection tube disinfection sealing gasket according to claim 1, characterized in that: The mounting slot combination groove (2) has a U-shaped projection shape in the vertical direction.
3. The disposable blood collection tube disinfection sealing gasket according to claim 1, characterized in that: The mounting slot combination groove (2) is provided with a locking anti-loosening groove inside.
4. The disposable blood collection tube disinfection sealing pad according to claim 1, characterized in that: The depth to which the needle is inserted into the auxiliary groove (4) is less than or equal to 0.3 mm.
5. The disposable blood collection tube disinfection sealing pad according to claim 1, characterized in that: The outer corner of the main body and the sealing plate (1) is provided with a safety fit rounded corner structure.