Platelet-rich plasma preparation device

Abstract

The platelet-rich plasma preparation device comprises a red blood cell storage chamber cover, a red blood cell storage chamber, a plasma storage chamber, a PRP storage chamber and a PRP storage chamber cover which are sequentially connected in the axial direction, blood is injected through an injection port, after primary centrifugation, red blood cells enter a red blood cell storage chamber, a plasma storage chamber is rotated, a locking rod is driven to move leftwards, the red blood cells are sealed in the red blood cell storage chamber, then a PRP storage chamber cover is arranged downwards, the plasma preparation device is subjected to secondary centrifugation, and centrifuged PRP and PPP are layered; when the plasma preparation device is turned over by 180 degrees, the PRP storage chamber cover is arranged upwards, PRP is placed in the annular groove, extraction of an injector is facilitated, axial movement of a second rod in the moving background technology is omitted in the PRP preparation process, and therefore PRP can be conveniently prepared.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plasma preparation device, especially a platelet-rich plasma preparation device. BACKGROUND

[0002] In the patent with the application number of 201280063492.8 and the patent name of a blood separation device, PRP can be prepared through secondary separation, but the movement of the first rod or the second rod needs to be realized by rotating the positioner, and the separation is realized by cooperating with the opening, in the separation process, the steps are more complicated.

[0003] In summary, how to conveniently prepare PRP has become a problem that researchers in the field urgently need to solve. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is how to conveniently prepare PRP.

[0005] To solve the above technical problem, the technical scheme adopted by the utility model is as follows:

[0006] The utility model discloses a platelet-rich plasma preparation device, which comprises: red cell storage chamber covers, red cell storage chambers, plasma storage chambers, PRP storage chambers and PRP storage chamber covers which are connected in the axial direction; an injection port and a gas permeation port are arranged on the peripheral wall of the plasma storage chamber; a fixing part is fixed in the middle part of the plasma storage chamber; a red cell locking rod is connected to one end of the fixing part, and the axis of the red cell locking rod is collinear with the axis of the red cell storage chamber; when the plasma storage chamber is rotated, the red cell locking rod is adapted to be inserted into the opening of the red cell storage chamber, and the red cell storage chamber cover forms a sealed chamber; the plasma storage chamber and the PRP storage chamber are always in a communication state; a converging part with a decreasing diameter is arranged on the inner wall of the PRP storage chamber and extends to the PRP storage chamber, and the converging part and the inner wall of the PRP storage chamber form an annular groove for collecting PRP.

[0007] Compared with the background technology, in the scheme, only the red cell locking rod is arranged on one side of the fixing part, and no locking rod is arranged on the other side, so that the plasma storage chamber and the PRP storage chamber are always in a communication state; the gas permeation port is arranged to ensure the stability of the pressure in the plasma preparation device; after blood is injected through the injection port, the red blood cells enter the red cell storage chamber after centrifugation once; the plasma storage chamber is rotated to drive the locking rod to move to the left, so that the red blood cells are sealed in the red cell storage chamber; then the PRP storage chamber cover is arranged downward, and the plasma preparation device is centrifuged again; after centrifugation, PRP and PPP are separated, the PRP storage chamber cover is arranged upward after the plasma preparation device is turned over by 180 degrees, and the PRP is arranged in the annular groove, which is convenient for the extraction of the syringe.

[0008] In summary, in the process of preparing PRP, the axial movement of the second rod in the moving background technology is omitted, so that PRP can be conveniently prepared.

[0009] In order to ensure the adjustment of the space between the red blood cell storage chamber cover and the red blood cell storage chamber and the sealing therebetween, the red blood cell storage chamber cover and the red blood cell storage chamber are threadedly connected, and a sealing ring is arranged therebetween.

[0010] By rotating the red blood cell storage chamber, the space between the cell storage chamber cover and the red blood cell storage chamber can be adjusted, so that the same volume of red blood cells can be better stored, and the sealing ring ensures the sealing therebetween.

[0011] How to realize the axial movement of the red blood cell locking rod, the red blood cell storage chamber and the plasma storage chamber are threadedly connected, and a sealing ring is arranged therebetween.

[0012] In this way, when the plasma storage chamber is rotated, the red blood cell locking rod is rotated with the plasma storage chamber, the red blood cell locking rod is matched with the opening, and the red blood cells in the red blood cell storage chamber can be sealed, and the sealing ring ensures the sealing therebetween.

[0013] In order to the sealing ring is arranged between the plasma storage chamber and the PRP storage chamber.

[0014] The sealing between the plasma storage chamber and the PRP storage chamber is ensured by arranging the sealing ring.

[0015] In order to facilitate the extraction of PRP by the syringe, the PRP storage chamber cover is provided with a rubber plug, and a protective film is arranged at the end face of the PRP storage chamber cover.

[0016] When PRP needs to be extracted, the protective film is torn off, the needle tube of the syringe passes through the rubber plug, and PRP in the ring groove is extracted.

[0017] How to realize the opening and closing of the injection port and the air vent, the injection port is provided with an injection port rubber cap, and the air vent is provided with an air vent rubber cap.

[0018] By separating or connecting the corresponding rubber cap and the injection port or the air vent, the injection port or the air vent can be opened or closed.

[0019] The utility model discloses a beneficial effect: the utility model discloses a platelet rich plasma preparation ware, through the injection of blood into the injection port, after once centrifugation, the red blood cell is into the red blood cell storage chamber, through the rotation blood plasma storage chamber, drive locking rod left movement, the red blood cell is sealed in the red blood cell storage chamber, subsequently, the PRP storage chamber cover is set down, and the blood plasma preparation ware is centrifuged secondly, and the PRP, PPP stratification after centrifugation, along with the blood plasma preparation ware overturning 180, the PRP storage chamber cover is set up to the up, and the PRP is placed in the annular groove, and the extraction of the syringe is convenient, in the process of preparing PRP, the axial movement of the second rod in the mobile background technology is omitted, thereby can conveniently prepare PRP. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further described below in connection with the drawings and examples.

[0021] Figure 1 It is the sectional view of the utility model;

[0022] In the drawing: 1 - sealing ring;2 - blood plasma storage chamber;21 - fixed part;3 - injection port;4 - PRP storage chamber cover;5 - protective film;6 - rubber plug;7 - PRP storage chamber, 71 - closing part, 72 - annular groove;8 - air vent;9 - rubber cap;10 - locking rod;11 - red blood cell storage chamber;12 - red blood cell storage chamber cover. DETAILED DESCRIPTION

[0023] The utility model is further described below in connection with the drawings and examples. These drawings are all simplified schematic diagrams, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0024] The utility model discloses a platelet rich plasma preparation ware, comprising: the red blood cell storage chamber cover 12, the red blood cell storage chamber 11, the blood plasma storage chamber 2, the PRP storage chamber 7, the PRP storage chamber cover 4 that are connected in sequence in axial direction;Injection port 3, air vent 8 are seted up at the outer peripheral wall of blood plasma storage chamber 2;Fixed part 21, its fixed in the middle part of blood plasma storage chamber 2;Red blood cell locking rod 10, its one end is connected with fixed part 21, and its axis is collinear with the axis of red blood cell storage chamber 11, when rotating blood plasma storage chamber 2, red blood cell locking rod 10 is suitable for left movement and is inserted to the closing part of red blood cell storage chamber 11, and the sealed chamber is formed between red blood cell storage chamber cover 12 and red blood cell storage chamber 11;Blood plasma storage chamber 2, PRP storage chamber 7, PRP storage chamber cover 4 are always in the state of intercommunication;The inner wall of PRP storage chamber 7 extends to PRP storage chamber 4 direction and is provided with the closing part 71 of diameter reduction, and the closing part 71 and the inner wall of PRP storage chamber 4 form the annular groove 72 for collecting PRP;When PRP storage chamber cover 4 is set down, the opening of annular groove 72 is down, when PRP storage chamber cover 4 is set up to the up, the opening of annular groove 72 is up.

[0025] Compared with the background art, the fixed part 21 in the scheme is provided with only the red blood cell locking rod 10 on one side, and no locking rod on the other side, so that the plasma storage chamber 2, the PRP storage chamber 7 and the PRP storage chamber cover 4 are always in a communication state; the air vent 8 is provided to ensure the pressure stability in the plasma preparation device; after the blood is injected through the injection port 3 and once centrifuged, the red blood cells enter the red blood cell storage chamber 11; the plasma storage chamber 2 is rotated to drive the locking rod 10 to move to the left, so that the red blood cells are sealed in the red blood cell storage chamber 11; then the PRP storage chamber cover 4 is arranged downward, and the plasma preparation device is centrifuged again; after centrifugation, the PRP and the PPP are layered; after the plasma preparation device is turned over by 180°, the PRP storage chamber cover 4 is arranged upward, and the PRP is placed in the annular groove 72, so as to facilitate the extraction of the syringe;

[0026] In summary, in the process of preparing the PRP, the axial movement of the second rod in the background art is omitted, so that the PRP can be conveniently prepared.

[0027] In order to ensure the space adjustment and the sealing property between the red blood cell storage chamber cover and the red blood cell storage chamber, the red blood cell storage chamber cover 12 and the red blood cell storage chamber 11 are threadedly connected, and a sealing ring 1 is arranged therebetween.

[0028] The space between the red blood cell storage chamber cover 12 and the red blood cell storage chamber 11 can be adjusted by rotating the red blood cell storage chamber 11, so as to better store red blood cells of the same volume, and the sealing ring 1 ensures the sealing property therebetween.

[0029] In order to realize the axial movement of the red blood cell locking rod, the red blood cell storage chamber 11 and the plasma storage chamber 2 are threadedly connected, and a sealing ring 1 is arranged therebetween.

[0030] In this way, when the plasma storage chamber 2 is rotated, the red blood cell locking rod 10 rotates with the plasma storage chamber 2, the red blood cell locking rod 10 is matched with the opening, and the red blood cells in the red blood cell storage chamber 11 can be sealed, and the sealing ring 1 ensures the sealing property therebetween.

[0031] In order to ensure the sealing property between the plasma storage chamber and the PRP storage chamber, the plasma storage chamber 2 and the PRP storage chamber 7 are provided with a sealing ring 1 therebetween.

[0032] The sealing property between the plasma storage chamber 2 and the PRP storage chamber 7 is ensured by arranging the sealing ring 1 therebetween.

[0033] In order to facilitate the extraction of the PRP by the syringe, the PRP storage chamber cover 4 is provided with a rubber plug 6 and a protective film 4 arranged at the end face of the PRP storage chamber cover 4.

[0034] When PRP is needed to be extracted, the protective film 4 is torn off, the needle tube of the syringe is penetrated through the rubber plug 6, and the PRP in the annular groove 72 is extracted.

[0035] How to realize the opening and closing of the injection port and the air vent, the utility model discloses that the injection port 3 is provided with an injection port rubber cap 9, and the air vent 8 is provided with an air vent rubber cap 9.

[0036] By the separation or connection of the corresponding rubber cap and the injection port 3 or the air vent 8, the opening or closing of the injection port 3 or the air vent 8 is realized.

[0037] Use steps are as follows:

[0038] ①Before blood sampling, 3ml sodium citrate is extracted in the syringe (mixing on the wall of the syringe), and the blood sampling needle is connected to take 20ml / 30ml of blood.

[0039] ②After the blood and the sodium citrate are fully mixed, the injection port rubber cap 9 of the preparation device is punctured, and the blood is gently injected into the preparation device; when the blood is injected, the syringe and the preparation device are kept at an angle of 30°, so that the blood is slowly injected into the preparation device, and the air vent rubber cap 9 is closed.

[0040] ③The counterweight of the same weight is prepared, the weight deviation of the counterweight and the blood-containing preparation device is kept at ±1g; the counterweight and the blood-containing preparation device are symmetrically placed in the centrifuge.

[0041] ④The preparation device aluminum foil protective film 5 is placed upwards in the centrifuge, and the centrifuge cover is covered to perform the first centrifugation operation (the centrifuge parameters are set as follows: rotation speed: 3200r / min; centrifugation time: 4 minutes).

[0042] ⑤After the centrifugation is completed, the blood-containing preparation device is taken out, the air vent rubber cap 9 is opened, the red blood cell storage chamber cover 12 is slowly rotated, and the red blood cells are adjusted to the top end part of the red blood cell storage chamber 11.

[0043] ⑥The red blood cell locking rod 10 is slowly rotated, the plasma storage chamber 2 and the red blood cell storage chamber 11 are isolated, the air vent rubber cap 9 is closed, and the preparation device is slowly and repeatedly rotated to fully mix the serum and the white membrane layer in the plasma storage chamber.

[0044] ⑦The preparation device aluminum foil 5 protective film is placed downwards in the centrifuge, and the centrifuge cover is covered to perform the second centrifugation operation (the centrifuge parameters are set as follows: rotation speed: 3300r / min; centrifugation time: 5 minutes).

[0045] ⑧The preparation device is taken out, the preparation device is slowly and repeatedly shaken to uniformly mix the plasma in the PRP storage chamber 7, then one end of the preparation device aluminum foil protective film 5 is vertically placed upwards, the aluminum foil protective film 5 is torn off, and the PRP in the PRP storage chamber annular groove 72 is extracted by the syringe.

[0046] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A platelet rich plasma preparation device, characterized by, Comprise: Axial connection of red blood cell storage chamber cover, red blood cell storage chamber, plasma storage chamber, PRP storage chamber, PRP storage chamber cover; The outer wall of the plasma storage chamber is provided with an openable and closable injection port and a gas permeable port; A fixing member is fixed in the middle of the plasma storage chamber; A red blood cell locking rod is connected to the fixing member at one end, and its axis is collinear with the axis of the red blood cell storage chamber. When the plasma storage chamber is rotated, the red blood cell locking rod is adapted to be inserted into the red blood cell storage chamber, forming a sealed chamber with the red blood cell storage chamber cover. The plasma storage chamber, PRP storage chamber and PRP storage chamber cover are always in communication. The inner wall of the PRP storage chamber is provided with a tapered portion extending towards the PRP storage chamber, which forms an annular groove with the inner wall of the PRP storage chamber for collecting PRP.

2. The platelet-rich plasma preparation device according to claim 1, wherein The red blood cell storage chamber cover and the red blood cell storage chamber are connected by threads, and a sealing ring is arranged between them.

3. The platelet rich plasma preparer of claim 1, wherein, The red blood cell storage chamber and the plasma storage chamber are connected by threads, and a sealing ring is arranged between them.

4. The platelet rich plasma preparer of claim 1, wherein, The plasma storage chamber and the PRP storage chamber are provided with a sealing ring.

5. The platelet rich plasma preparer of claim 1, wherein, A rubber plug is arranged in the PRP storage chamber cover, and a protective film is arranged at the end face of the PRP storage chamber cover.

6. The platelet rich plasma preparer of claim 1, wherein, An injection port rubber cap is arranged at the injection port, and a gas permeable port rubber cap is arranged at the gas permeable port.

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