Autologous platelet-rich plasma preparation device

Abstract

The utility model relates to the technical field of medical instruments, in particular to an autologous platelet-rich plasma preparation device which comprises a first upper cover, a second upper cover, a cavity, an inner plugging piece, a sleeve, a sealing push rod, a connecting piece and an auxiliary component. The second upper cover is in threaded connection with the first upper cover, the cavity is in threaded connection with the second upper cover, the sleeve is in threaded connection with the cavity, the inner plugging piece is installed on the side, close to the cavity, of the sleeve, the sealing push rod is in threaded connection with the sleeve, the connecting piece is connected with the sealing push rod, and the auxiliary component is connected with the first upper cover. The blood centrifugation efficiency is improved, meanwhile, the possibility that blood is polluted due to operation of the centrifugation container is reduced, and the safety and the enrichment concentration of PRP are guaranteed to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an autologous platelet-rich plasma preparation device. Background Art

[0002] Platelets in human blood are rich in growth factors, proteins and other biologically active substances, which play an important role in wound healing and tissue repair. By enriching platelets, the concentration of these biological substances can be enhanced, accelerating wound healing and tissue regeneration.

[0003] PRP (platele rich plasma) is widely used in orthopedics, plastic surgery, dentistry and sports medicine. In orthopedics, it can promote fracture healing; in plastic surgery, it can be used for skin regeneration and facial beauty.

[0004] The process of preparing PRP usually involves collecting blood from a patient and then separating the blood into different layers through centrifugation. Since platelets are relatively heavy, they settle downward during the centrifugation process, thereby obtaining a platelet-rich portion of the blood that can be collected. However, traditional PRP preparation equipment is more complicated and inefficient in the PRP preparation operation. Utility Model Content

[0005] The purpose of the utility model is to provide an autologous platelet-rich plasma preparation device, which can realize the secondary centrifugation of the same device to extract higher concentration PRP, thereby improving the efficiency of blood centrifugation, while reducing the cumbersome steps of multiple balancing required for secondary centrifugation of most similar products on the market when preparing high-concentration PRP and avoiding the risk of contamination caused by replacing containers during secondary centrifugation, reducing the possibility of blood contamination due to centrifugal container operation, and ensuring the safety and enrichment concentration of PRP to the greatest extent.

[0006] To achieve the above-mentioned purpose, the utility model provides an autologous platelet-rich plasma preparation device, comprising a first upper cover, a second upper cover, a cavity, an inner plugging member, a sleeve, a sealing push rod, a connecting member and an auxiliary member;

[0007] The second upper cover is threadedly connected to the first upper cover and is located on one side of the first upper cover, the cavity is threadedly connected to the second upper cover and is located on one side of the second upper cover, the sleeve is threadedly connected to the cavity and is located on one side of the cavity, the inner sealing member is installed on a side of the sleeve close to the cavity, the sealing push rod is threadedly connected to the sleeve and is located on one side of the sleeve, the connecting member is connected to the sealing push rod and is located on one side of the sealing push rod, and the auxiliary component is connected to the first upper cover.

[0008] Among them, the auxiliary components include an air filter plugging piece, an external sealing piece, an anti-pollution sticker and a sealing component, the air filter plugging piece is connected to the first upper cover and is located on one side of the first upper cover; the external sealing piece is connected to the cavity and is located on one side of the cavity; the anti-pollution sticker is connected to the cavity and is located on a side of the cavity close to the external sealing piece.

[0009] Among them, the sealing component includes an upper cover sealing rubber ring, a lower cavity sealing rubber ring, an inner sealing piece sealing rubber ring and a sealing push rod sealing rubber ring. The upper cover sealing rubber ring is arranged on the side of the cavity close to the second upper cover; the lower cavity sealing rubber ring is sleeved on the side of the cavity close to the sleeve; the inner sealing piece sealing rubber ring is sleeved on the inner sealing piece; the sealing push rod sealing rubber ring is sleeved on the sealing push rod.

[0010] Wherein, the second upper cover has a blood injection port, and the blood injection port is located on a side of the second upper cover close to the first upper cover.

[0011] Wherein, the cavity has a side liquid intake port, and the side liquid intake port is located on a side of the cavity close to the outer blocking member.

[0012] The utility model discloses an autologous platelet-rich plasma preparation device, the first upper cover is provided with the air filter plugging member, the air filter plugging member is interference fit to the first upper cover by a silicone ring with an air filter membrane, the cavity presents an hourglass appearance, and the neck of the cavity is provided with the side liquid intake port, and the side liquid intake port is provided with the outer plugging member and the anti-pollution sticker, and threads for connecting are provided at both ends of the cavity and two sealing rubber ring grooves are provided for sealingly connecting the second upper cover and the sleeve, the sleeve has threads at both ends, the upper end is used to connect the cavity, and the lower end thread is used to connect the sealing push rod, the sealing push rod is equipped with the first and second connecting members that keep the sleeve and the sealing push rod connected, the sealing push rod can push the inner plugging member by twisting inward, so that the upper and lower cavities of the cavity are sealed and isolated, The inner sealing member is provided with a corresponding sealing rubber ring groove. In actual operation, blood is first injected from the blood injection port, and then the first upper cover is tightened to balance the device and put it into the centrifuge for centrifugation. After the first centrifugation, the sleeve is twisted upward so that the red blood cell layer after centrifugal stratification is at the lower port of the cavity neck, and the sealing push rod is rotated inward so that the sealing push rod pushes the inner sealing member inward to seal the lower cavity of the cavity, thereby sealing the red blood cell layer at the bottom alone under the device, and further the entire device is put into the centrifuge for centrifugation again (no need to balance again). After the second centrifugation, it can be clearly observed that the blood in the upper cavity of the entire device is clearly stratified again, and the anti-pollution paper sticker is torn off, and the prepared PRP (platele The device can extract high-concentration PRP by secondary centrifugation, thereby improving the efficiency of blood centrifugation. At the same time, it reduces the cumbersome steps of multiple balancing required for secondary centrifugation of most similar products on the market when preparing high-concentration PRP, avoids the risk of contamination caused by replacing containers during secondary centrifugation, reduces the possibility of blood contamination due to centrifugal container operation, and ensures the safety and enrichment concentration of PRP to the greatest extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the autologous platelet-rich plasma preparation device of the utility model.

[0015] Figure 2 It is a sectional view of the whole autologous platelet-rich plasma preparation device of the utility model.

[0016] Figure 3 It is an exploded view of the entirety of the autologous platelet-rich plasma preparation device of the utility model.

[0017] In the figure: 1-first upper cover, 11-air filter plugging piece, 2-second upper cover, 21-upper cover sealing rubber ring, 22-blood injection port, 3-cavity, 31-side liquid extraction port, 32-external sealing piece, 33-anti-pollution sticker, 34-lower cavity sealing rubber ring, 4-inner sealing piece, 41-inner sealing piece sealing rubber ring, 5-sleeve, 6-sealing push rod, 61-sealing push rod sealing rubber ring, 7-connecting piece. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The embodiments of the present application are:

[0020] See also Figures 1 to 3 ,in Figure 1 This is a schematic diagram of the overall structure of the autologous platelet-rich plasma preparation device. Figure 2 This is a cross-sectional view of the entire autologous platelet-rich plasma preparation device. Figure 3 This is an exploded view of the entire autologous platelet-rich plasma preparation device.

[0021] The utility model provides an autologous platelet-rich plasma preparation device: including a first upper cover 1, a second upper cover 2, a cavity 3, an inner plugging member 4, a sleeve 5, a sealing push rod 6, a connecting member 7 and an auxiliary component, wherein the auxiliary component includes an air filter plugging member 11, an outer plugging member 32, an anti-pollution sticker 33 and a sealing component, wherein the sealing component includes an upper cover sealing rubber ring 21, a lower cavity sealing rubber ring 34, an inner plugging member sealing rubber ring 41 and a sealing push rod sealing rubber ring 61, wherein the second upper cover 2 has a blood injection port 22, and the cavity 3 has a side liquid extraction port 31. The above-mentioned solution solves the problem that the process of preparing PRP usually includes collecting patient blood, and then separating the blood into different layers by centrifugal separation. Since platelets are relatively heavy, they precipitate downward during the centrifugation process, thereby obtaining a platelet-rich portion in the blood that can be collected, but the traditional PRP preparation equipment has the problem that the PRP preparation operation is relatively complicated and the efficiency is relatively low.

[0022] In this embodiment, the second upper cover 2 is threadedly connected to the first upper cover 1 and is located on one side of the first upper cover 1, the cavity 3 is threadedly connected to the second upper cover 2 and is located on one side of the second upper cover 2, the sleeve 5 is threadedly connected to the cavity 3 and is located on one side of the cavity 3, the inner plugging member 4 is installed on the side of the sleeve 5 close to the cavity 3, the sealing push rod 6 is threadedly connected to the sleeve 5 and is located on one side of the sleeve 5, the connecting member 7 is connected to the sealing push rod 6 and is located on one side of the sealing push rod 6, and the auxiliary member is connected to the The first upper cover 1 is connected, the blood injection port 22 is located on the side of the second upper cover 2 close to the first upper cover 1, the outer side of the blood injection port 22 provided on the top of the second upper cover 2 is provided with a corresponding external thread, and the bottom of the first upper cover 1 is provided with a corresponding internal thread that matches the external thread on the outer side of the blood injection port 22 on the top of the second upper cover 2, so that the first upper cover 1 and the second upper cover 2 can be directly connected through threads, and the cavity 3, the sleeve 5 and the sealing push rod 6 are all interconnected through corresponding threaded structures, thereby completing the installation of the overall structure.

[0023] Among them, the air filter plugging member 11 is connected to the first upper cover 1 and is located on one side of the first upper cover 1; the outer plugging member 32 is connected to the cavity 3 and is located on one side of the cavity 3; the anti-pollution sticker 33 is connected to the cavity 3 and is located on the side of the cavity 3 close to the outer plugging member 32; the sealing component is connected to the second upper cover 2, and the upper cover sealing rubber ring 21 is arranged on the side of the cavity 3 close to the second upper cover 2; the lower cavity sealing rubber ring 34 is sleeved on the side of the cavity 3 close to the sleeve 5; the inner plugging member sealing rubber ring 41 is sleeved on the inner plugging member 4; The sealing push rod sealing rubber ring 61 is sleeved on the sealing push rod 6, the side liquid intake port 31 is located on the side of the cavity 3 close to the outer sealing member 32, the air filter plugging member 11 is arranged on the top of the first upper cover 1, the outer sealing member 32 and the anti-pollution sticker 33 are both arranged on the side liquid intake port 31 provided on the side of the cavity 3, and at the same time, the upper cover sealing rubber ring 21, the lower cavity sealing rubber ring 34, the inner sealing member sealing rubber ring 41 and the sealing push rod sealing rubber ring 61 are sleeved and installed on the corresponding mechanism to ensure the sealing and stability of each mechanism connected by threads.

[0024] When the autologous platelet-rich plasma preparation device of the present embodiment is in use, the first upper cover 1 is provided with the air filter plug 11, and the air filter plug 11 is interference-fitted to the first upper cover 1 by a silicone ring with an air filter membrane, and the cavity 3 presents an hourglass appearance, and the neck of the cavity 3 is provided with the side liquid intake port, and the side liquid intake port 31 is provided with the outer sealing member 32 and the anti-pollution sticker 33, and threads for connecting are provided at both ends of the cavity 3 and two sealing rubber ring grooves respectively for sealingly connecting the second upper cover 2 and the sleeve 5, and the sleeve 5 has threads at both ends, the upper end is used to connect the cavity 3, and the lower end thread is used to connect the sealing push rod 6, and the sealing push rod 6 is equipped with the first and second connecting members 7 for maintaining the connection between the sleeve 5 and the sealing push rod 6, and the sealing push rod 6 can push the inner sealing member 4 by twisting inwards, so that the cavity 3, the upper and lower cavities are sealed and isolated, and the inner sealing member 4 is provided with a corresponding sealing rubber ring groove. In actual operation, blood is first injected from the blood injection port 22, and then the first upper cover 1 is tightened and the device is balanced and placed in a centrifuge for centrifugation. After the first centrifugation, the sleeve 5 is twisted upward so that the red blood cell layer after centrifugal stratification is at the lower end of the neck of the cavity 3, and the sealing push rod 6 is rotated inward so that the sealing push rod 6 pushes the inner sealing member 4 inward to seal the lower cavity of the cavity 3, thereby sealing the red blood cell layer at the bottom alone under the device, and further the entire device is placed in the centrifuge for centrifugation again (no need to balance again). After the second centrifugation, it can be clearly observed that the blood in the upper cavity of the entire device is clearly stratified again, and the anti-pollution paper sticker is torn off, and the prepared PRP (platele The product can extract PRP with a higher concentration by secondary centrifugation in the same device, thereby improving the efficiency of blood centrifugation. At the same time, it reduces the cumbersome steps of multiple balancing required for secondary centrifugation in most similar products on the market when preparing high-concentration PRP, avoids the risk of contamination caused by replacing containers during secondary centrifugation, reduces the possibility of blood contamination due to centrifugal container operation, and ensures the safety and enrichment concentration of PRP to the greatest extent.

[0025] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An autologous platelet-rich plasma preparation device, characterized in that: It includes a first upper cover, a second upper cover, a cavity, an inner blocking member, a sleeve, a sealing push rod, a connecting member and an auxiliary member; The second upper cover is threadedly connected to the first upper cover and is located on one side of the first upper cover, the cavity is threadedly connected to the second upper cover and is located on one side of the second upper cover, the sleeve is threadedly connected to the cavity and is located on one side of the cavity, the inner sealing member is installed on a side of the sleeve close to the cavity, the sealing push rod is threadedly connected to the sleeve and is located on one side of the sleeve, the connecting member is connected to the sealing push rod and is located on one side of the sealing push rod, and the auxiliary component is connected to the first upper cover.

2. The device for preparing autologous platelet-rich plasma according to claim 1, characterized in that: The auxiliary component includes an air filter plugging piece, an outer sealing piece, an anti-pollution sticker and a sealing component, and the air filter plugging piece is connected to the first upper cover and is located on one side of the first upper cover; The outer sealing piece is connected to the cavity and is located on one side of the cavity; the anti-pollution sticker is connected to the cavity and is located on a side of the cavity close to the outer sealing piece; the sealing component is connected to the second upper cover.

3. The device for preparing autologous platelet-rich plasma according to claim 2, characterized in that: The sealing component includes an upper cover sealing rubber ring, a lower cavity sealing rubber ring, an inner sealing piece sealing rubber ring and a sealing push rod sealing rubber ring. The upper cover sealing rubber ring is arranged on a side of the cavity close to the second upper cover; the lower cavity sealing rubber ring is sleeved on a side of the cavity close to the sleeve; the inner sealing piece sealing rubber ring is sleeved on the inner sealing piece; and the sealing push rod sealing rubber ring is sleeved on the sealing push rod.

4. The autologous platelet-rich plasma preparation device according to claim 1, characterized in that: The second upper cover has a blood injection port, and the blood injection port is located on a side of the second upper cover close to the first upper cover.

5. The device for preparing autologous platelet-rich plasma according to claim 2, characterized in that: The cavity has a side liquid intake port, and the side liquid intake port is located on a side of the cavity close to the outer blocking member.

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