CN210131413U - Platelet-rich plasma separator - Google Patents
Platelet-rich plasma separator Download PDFInfo
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- CN210131413U CN210131413U CN201920716344.0U CN201920716344U CN210131413U CN 210131413 U CN210131413 U CN 210131413U CN 201920716344 U CN201920716344 U CN 201920716344U CN 210131413 U CN210131413 U CN 210131413U
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- syringe barrel
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- rich plasma
- plasma separator
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Abstract
The utility model discloses a platelet-rich plasma separator, which comprises a first injector device and a second injector device, wherein the first injector device comprises a first injector cylinder with a first port and a first push rod which slides in the first injector cylinder and is detachably connected with the first injector cylinder; the second syringe device comprises a second syringe barrel with a second port and a second push rod which slides in the second syringe barrel and is detachably connected with the second syringe barrel; the first port is communicated with the second port, a three-way valve is arranged between the first port and the second port, a three-way switch is arranged on the three-way valve in a matched mode, and a heparin cap is arranged at an opening at the lower end of the three-way valve. The platelet-rich plasma separator of the utility model can complete operations such as blood taking, centrifugation, injection and the like only by one container without transferring blood for many times, thereby reducing liquid pollution to the maximum extent; and the structure is simple, the operation is convenient, the price is low, and the popularization and the use are easy.
Description
Technical Field
The utility model relates to the technical field of household articles for daily use, concretely relates to platelet rich plasma separator.
Background
Platelet-rich Plasma (PRP) is a Platelet concentrate obtained by centrifuging autologous whole blood, and PRP can release various bioactive substances such as growth factors and cytokines after being activated, so that the PRP has a good effect of promoting tissue repair and regeneration, and PRP therapy has become a novel biological therapy for treating soft tissue injury which is internationally established in recent years.
Although PRP has been applied to various fields such as orthopedics, plastic surgery, dentistry, wound healing, etc., no specially prepared equipment is on the market at present, most PRP is prepared by an open type secondary centrifugation method, and the following disadvantages of the method greatly limit the clinical application of the PRP: is easily contaminated by the outside world and needs to be transferred in multiple containers, increasing the chance of platelet activation and contamination. At present, PRP is prepared by a closed secondary centrifugation method in a few ways, but the following defects still exist: the equipment has complex structure and high cost, and the operation steps of medical staff are complex and time-consuming, so that the medical staff are difficult to be widely accepted and used by hospitals and clinics.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a platelet-rich plasma separator, which can complete blood collection, centrifugation, injection and other operations with only one container, without transferring blood many times, and reduce liquid pollution to the maximum; and the structure is simple, the operation is convenient, the price is low, and the popularization and the use are easy.
In order to achieve the above object, the present invention provides a platelet-rich plasma separator, which comprises a first syringe device and a second syringe device, wherein the first syringe device comprises a first syringe barrel with a first port and a first push rod sliding in the first syringe barrel and detachably connected to the first syringe barrel; the second syringe device comprises a second syringe barrel with a second port and a second push rod which slides in the second syringe barrel and is detachably connected with the second syringe barrel; the first port is communicated with the second port, a three-way valve is arranged between the first port and the second port, a three-way switch is arranged on the three-way valve in a matched mode, and a heparin cap is arranged at an opening at the lower end of the three-way valve.
Further, the first push rod comprises a first piston capable of sealing the inner cavity of the first syringe barrel and a first rod core detachably connected with the first piston.
Further, the first piston comprises a first piston base with a nut structure, the tail end of the first rod core is of a bolt structure, and the first rod core is detachably connected with the first piston base through a bolt.
Further, the second push rod comprises a second piston capable of sealing the inner cavity of the second syringe barrel and a second rod core detachably connected with the second piston.
Further, the second piston comprises a second piston base with a nut structure, the tail end of the second rod core is of a bolt structure, and the second rod core is detachably connected with the second piston base through a bolt.
Furthermore, the outer walls of the first syringe barrel and the second syringe barrel are provided with graduated scales.
Furthermore, a protective shell is arranged below the three-way valve, one end of the protective shell is connected to the outer wall of the first syringe barrel, and the other end of the protective shell is connected to the outer wall of the second syringe barrel.
The utility model provides a rich platelet plasma separator compares in prior art, has following technological effect:
1. platelet rich plasma separator combine two syringe devices to possess the syringe function when gathering blood and PRP injection, possess the PRP separator function when the centrifugation, only need a container to accomplish promptly and get operations such as blood, centrifugation, injection, thereby avoided shifting the hidden danger of the secondary pollution that blood exists repeatedly in a plurality of containers.
2. The platelet-rich plasma separator is a disposable medical consumable, and has the advantages of simple structure, convenient operation, low price and easy popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of a platelet-rich plasma separator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the platelet-rich plasma separator according to the embodiment of the present invention after the second rod core is removed;
fig. 3 is a schematic structural diagram of the first rod core or the second rod core of the platelet-rich plasma separator according to the embodiment of the present invention.
The syringe comprises a first syringe device 1, a first syringe barrel 11, a first syringe barrel 12, a first push rod 121, a first piston base 122, a first rod core 2, a second syringe device 21, a second syringe barrel 22, a second push rod 221, a second piston base 222, a second rod core 3, a three-way valve 31, a three-way switch 4, a heparin cap 5, a graduated scale 6 and a protective shell.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a platelet-rich plasma separator according to an embodiment of the present invention includes a first syringe device 1 and a second syringe device 2, wherein the first syringe device 1 includes a first syringe barrel 11 having a first port, and a first push rod 12 sliding in the first syringe barrel 11 and detachably connected to the first syringe barrel 11; the second syringe device 2 comprises a second syringe barrel 21 with a second port and a second push rod 22 sliding in the second syringe barrel 21 and detachably connected with the second syringe barrel 21; the first port is communicated with the second port, a three-way valve 3 is arranged between the first port and the second port, a three-way switch 31 is arranged on the three-way valve 3 in a matched mode, and a heparin cap 4 is arranged at an opening at the lower end of the three-way valve 3;
the platelet-rich plasma separator of the utility model combines the two injector devices together, thereby having the functions of the injector when collecting blood and injecting PRP, and having the function of the PRP separator when centrifuging, namely, only one container is needed to finish the operations of blood collection, centrifugation, injection and the like, thereby avoiding the hidden danger of secondary pollution caused by repeatedly transferring blood in a plurality of containers; just platelet-rich plasma separator be disposable medical consumptive material, its simple structure, convenient operation, the low price easily uses widely. In the embodiment of the present invention, the heparin cap 4 is connected to the lower opening of the three-way switch 31 by a screw.
As shown in fig. 1, the first plunger 12 preferably includes a first piston sealing the inner cavity of the first syringe barrel 11 and a first stem 122 detachably connected to the first piston.
In the embodiment of the present invention, preferably, the first piston includes a first piston base 121 having a nut structure, the end of the first rod core 122 is a bolt structure, and a detachable bolt connection is formed between the first rod core 122 and the first piston base 121.
Preferably, the second plunger 22 includes a second piston sealing the inner cavity of the second syringe barrel 21 and a second stem 222 detachably connected to the second piston.
In the embodiment of the present invention, preferably, the second piston includes a second piston base 221 having a nut structure, the end of the second rod core 222 is a bolt structure, and a detachable bolt connection is formed between the second rod core 222 and the second piston base 221. Through the design, the first rod core 122 is connected with the first piston base 121 through bolts, and the second rod core 222 is connected with the second piston base 221 through bolts, so that the assembly and disassembly are convenient, and the operation is more convenient.
Preferably, the outer walls of the first syringe barrel 11 and the second syringe barrel 21 are both provided with a graduated scale 5. The graduated scales 5 are arranged on the outer walls of the first syringe barrel 11 and the second syringe barrel 21, so that the layered liquid can be conveniently and accurately separated from the lower layer of liquid after centrifugation.
Preferably, a protective casing 6 is arranged below the three-way valve 3, one end of the protective casing 6 is connected to the outer wall of the first syringe barrel 11, and the other end of the protective casing 6 is connected to the outer wall of the second syringe barrel 21. In the embodiment of the present invention, the protection housing 6 only follows the outer wall of the first syringe barrel 11 is connected to the lower end opening of the three-way valve 3, and then connected to the outer wall of the second syringe barrel 21 to protect the lower portion of the junction of the first port and the second port, the upper portion of the junction of the first port and the second port is still exposed outside, and the operator can directly control the three-way switch 31 to realize the communication or closing operation of the three-way valve 3.
The following will explain in detail the specific working process of the platelet rich plasma separator of the present invention for preparing PRP by secondary centrifugation with reference to fig. 1 to 3:
1. when blood sampling is carried out, firstly, the platelet-rich plasma separator is stably placed on an aseptic operation table for fixation, then the three-way switch 31 is opened, the first syringe barrel 11 is communicated with the outside to extract blood, the second syringe barrel 21 is kept in an empty state, and the three-way switch 31 is closed;
2. detaching the first rod core 122 and the second rod core 222, placing the whole plasma separator in a U-shaped transparent plastic PD tube, sealing the PD tube by using a sealing cover, placing the whole PD tube in a centrifugal machine, and performing primary centrifugation by adopting an Aghaloo method, wherein the primary centrifugal force is 200g, and the centrifugation time is 10 min;
3. after the first centrifugation, the PD tube is taken out vertically, the PD cap is opened, and the plasma separator is taken out again by taking a sterile liquid, the blood is separated into a blood cell layer, a mixed layer of platelets and blood cells and a plasma layer from bottom to top in the first syringe barrel 11, the first rod core 122 and the second rod core 222 are screwed on, the three-way switch 31 is opened to communicate the first syringe barrel 11 with the second syringe barrel 21, and simultaneously, the first push rod 12 is pushed and the second push rod 22 is pulled to transfer the lower blood cell layer into the second syringe barrel 21;
4. closing the three-way switch 31 again, detaching the first rod core 122, placing the whole plasma separator in the PD tube, sealing the PD tube by using a sealing cover, placing the whole PD tube in a centrifuge, and performing secondary centrifugation by adopting an Aghaloo method, wherein the secondary centrifugal force is 800g, and the centrifugation time is 10 min;
5. after the second centrifugation, the PD tube is taken out vertically, the PD cap is opened, the plasma separator is taken out again by taking a sterile solution, the blood is separated into a platelet and blood cell mixed layer and a plasma layer from bottom to top in the first syringe barrel 11, the first rod core 122 and the second rod core 222 are screwed on, the three-way switch 31 is opened to enable the first syringe barrel 11 to be communicated with the outside and the first syringe barrel 11 and the second syringe barrel 21 to be kept in a closed state, and local injection can be performed by pushing the first push rod 12 to push out the lower platelet and blood cell mixed layer.
In the embodiment of the utility model, in order to be used with a centrifuge, the height of the PD tube is not more than 12cm, and the diameter is not more than 4 cm; the first syringe barrel 11 and the second syringe barrel 21 have a height of not more than 11cm and a diameter of not more than 2cm, and the first stem 122 and the second stem 222 have a height of not more than 9 cm. The sizes of the PD tube, the first syringe barrel 11, and the second syringe barrel 21 may be adjusted according to the size of the inner cavity of the centrifuge in actual use, and are not limited herein.
To sum up, the platelet-rich plasma separator of the utility model combines two injector devices together, thereby having the functions of an injector when collecting blood and injecting PRP, and having the function of a PRP separator when centrifuging, namely, only one container is needed to complete the operations of blood collection, centrifugation, injection and the like, thereby avoiding the hidden danger of secondary pollution caused by repeatedly transferring blood in a plurality of containers; just platelet-rich plasma separator be disposable medical consumptive material, its simple structure, convenient operation, the low price easily uses widely.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A platelet rich plasma separator comprising a first syringe device and a second syringe device, the first syringe device comprising a first syringe barrel having a first port and a first pushrod sliding within the first syringe barrel and removably attached to the first syringe barrel; the second syringe device comprises a second syringe barrel with a second port and a second push rod which slides in the second syringe barrel and is detachably connected with the second syringe barrel; the first port is communicated with the second port, a three-way valve is arranged between the first port and the second port, a three-way switch is arranged on the three-way valve in a matched mode, and a heparin cap is arranged at an opening at the lower end of the three-way valve.
2. The platelet-rich plasma separator of claim 1 wherein the first plunger includes a first plunger sealing the first syringe barrel interior and a first stem core removably connected to the first plunger.
3. The platelet-rich plasma separator of claim 2 wherein the first piston includes a first piston base of nut construction, the first stem member terminates in a bolt construction, and the first stem member is removably bolted to the first piston base.
4. The platelet-rich plasma separator of claim 1 wherein the second plunger includes a second plunger sealing the second syringe barrel interior and a second stem core removably attached to the second plunger.
5. The platelet-rich plasma separator of claim 4 wherein the second piston includes a second piston base of nut construction, the second stem member terminating in a bolt construction, the second stem member and the second piston base forming a removable bolted connection therebetween.
6. The platelet-rich plasma separator of claim 1 wherein the outer walls of the first syringe barrel and the second syringe barrel are provided with graduated scales.
7. The platelet-rich plasma separator of claim 1 wherein a protective housing is positioned below the three-way valve, one end of the protective housing being attached to the outer wall of the first syringe barrel and the other end of the protective housing being attached to the outer wall of the second syringe barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716344.0U CN210131413U (en) | 2019-05-17 | 2019-05-17 | Platelet-rich plasma separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716344.0U CN210131413U (en) | 2019-05-17 | 2019-05-17 | Platelet-rich plasma separator |
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| CN210131413U true CN210131413U (en) | 2020-03-10 |
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| CN201920716344.0U Active CN210131413U (en) | 2019-05-17 | 2019-05-17 | Platelet-rich plasma separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221724A (en) * | 2020-09-01 | 2021-01-15 | 刘勇 | Automatic blood separation system and method |
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2019
- 2019-05-17 CN CN201920716344.0U patent/CN210131413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221724A (en) * | 2020-09-01 | 2021-01-15 | 刘勇 | Automatic blood separation system and method |
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