CN214917121U

CN214917121U - PRP centrifugal device

Info

Publication number: CN214917121U
Application number: CN202022913995.4U
Authority: CN
Inventors: 黄世贵
Original assignee: Sichuan Weige Technology Co ltd
Current assignee: Sichuan Weige Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-30
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a PRP centrifugal device relates to medical auxiliary instrument field. A PRP centrifugal device comprises a centrifuge main body, an injector and a sleeve, wherein the injector is arranged inside the sleeve, the sleeve is arranged on a rotating shaft of the centrifuge main body, and the rotating shaft is vertically arranged. The utility model discloses when preparing Platelet Rich Plasma (PRP), its preparation process is pollution-free, and it is convenient safe in utilization.

Description

PRP centrifugal device

Technical Field

The utility model relates to a medical treatment auxiliary instrument field particularly, relates to a PRP centrifugal device.

Background

In recent years, with the development of medical technology, the use of Platelet Rich Plasma (PRP) technology to repair damaged soft tissues of the human body has become a mature technology in the medical industry. The platelet-rich plasma (PRP) contains a large amount of growth factors, and has good growth promoting effect on human soft tissue injury.

At present, the method for preparing Platelet Rich Plasma (PRP) is a traditional two-time centrifugation method, wherein the first centrifugation is relatively low speed centrifugation, so as to obtain serum, platelet rich plasma and red blood cells which are layered up and down, then the upper layer serum and plasma are extracted into another centrifuge tube, and then the Platelet Rich Plasma (PRP) is further concentrated through relatively high speed centrifugation, so as to obtain the optimal platelet concentration. However, after two times of centrifugation, the serum, plasma and red blood cells separated in the centrifuge tube are extracted and transferred by using the extraction container, the operation is complicated, and the obtained platelet-rich plasma is easily contaminated by contacting with the outside.

The preparation of Platelet Rich Plasma (PRP) is mainly carried out by using a centrifuge, and in most of the preparation processes, people directly arrange a centrifugal tube filled with blood in the centrifuge, the centrifugal tube is exposed to the outside for a long time, and the blood in the centrifugal tube is easily polluted by the outside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PRP centrifugal device, when preparing Platelet Rich Plasma (PRP), its operation process is pollution-free, and it is convenient safe in utilization.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a PRP centrifugal device, and it contains centrifuge main part, syringe and sleeve, and above-mentioned syringe is located inside above-mentioned sleeve, and above-mentioned sleeve is installed in the pivot of above-mentioned centrifuge main part, and above-mentioned pivot is vertical to be set up.

In some embodiments of the present invention, the sleeve comprises a cover and a sleeve body assembled from top to bottom, the syringe is disposed inside the sleeve body, and a sealing member is disposed between the cover and the sleeve body.

In some embodiments of the present invention, the cover is provided with an external thread, the cover is provided with an internal thread, and the external thread is matched with the internal thread.

In some embodiments of the present invention, the PRP centrifugal device includes a centrifuge rotor, and the sleeve is mounted on the rotating shaft of the centrifuge body through the centrifuge rotor.

In some embodiments of the present invention, the centrifuge rotor comprises a rotor body and a rotating member, the rotor body is horizontally provided with a slot for placing the sleeve, the two opposite side walls of the slot are provided with a rotating member, and the rotating member is rotatably connected with the sleeve.

The utility model discloses an in some embodiments, two lateral walls that above-mentioned cover body carried on the back mutually are equipped with respectively and lead the spout, and the aforesaid is led the spout and is rotated the piece butt with the aforesaid.

In some embodiments of the present invention, the length direction of the guide chute is set along the axial direction of the sleeve body, and an opening is formed at one end of the guide chute close to the bottom of the sleeve body.

In some embodiments of the present invention, a first cavity is disposed inside the sleeve body, the first cavity is sleeved on the lower portion of the syringe, and the shape of the first cavity matches the shape of the lower portion of the syringe.

In some embodiments of the present invention, a second cavity is disposed inside the cap, the second cavity is sleeved on the upper portion of the syringe, and the shape of the second cavity matches with the shape of the portion of the syringe extending out of the first cavity.

In some embodiments of the present invention, the sleeve is a plurality of sleeves, and the plurality of sleeves are circumferentially disposed on the centrifuge body around the rotating shaft.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

a PRP centrifugal device comprises a centrifuge body, an injector and a sleeve, wherein the injector is arranged in the sleeve, and the sleeve is arranged on a rotating shaft of the centrifuge body.

The embodiment of the application provides a PRP centrifugal device, and it contains centrifuge main part, syringe and sleeve, through the installation of centrifuge main part, is applicable to the centrifuge of different models and centrifuges blood. The syringe is used for storing blood, and is convenient for drawing, collecting and taking out the blood from the outside; by disposing the syringe inside the sleeve, the syringe is protected during centrifugation; the sleeve is arranged on a rotating shaft of the centrifuge body, so that the blood in the injector is driven to be centrifuged through the rotation of the rotating shaft during centrifugation. The utility model discloses a blood is deposited to the syringe to rotate the centrifugation back through the pivot of muffjoint in the centrifuge main part with the syringe, serum, Platelet Rich Plasma (PRP) and the erythrocyte of layering about can obtaining in the syringe, thereby be convenient for obtain the Platelet Rich Plasma (PRP) after the separation through taking out the syringe. The utility model discloses think about ingenious, safe convenient, low cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an installation of a sleeve and a rotor according to an embodiment of the present invention;

FIG. 2 is a schematic view of a sleeve according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a sleeve according to an embodiment of the present invention;

fig. 4 is a schematic view of a rotor according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the sheath body according to the embodiment of the present invention;

fig. 6 is a schematic view of the cover according to the embodiment of the present invention.

Icon: 1-sleeve, 2-rotor, 3-cover, 4-cover, 5-guide chute, 6-injector, 7-neck, 8-rotation piece, 9-internal thread, 10-first cavity, 11-sealing piece, 12-external thread, 13-second cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted 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 according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 to 6, the present embodiment provides a PRP centrifugation device, which is simple in operation, free of contamination during the preparation process, and safe and convenient for use when preparing platelet-rich plasma.

A PRP centrifugal device comprises a centrifuge body, an injector 6 and a sleeve 1, wherein the injector 6 is arranged inside the sleeve 1, the sleeve 1 is arranged on a rotating shaft of the centrifuge body, and the rotating shaft is vertically arranged.

In the above embodiments, the centrifuge main body is any one conventionally selected in the art, such as a microcentrifuge, a small-capacity centrifuge, and a large-capacity centrifuge. Optionally, the centrifuge may be a high capacity centrifuge, so that more blood can be accommodated and centrifuged at the same time, improving the centrifugation efficiency. Alternatively, the syringe 6 may be a disposable transparent plastic syringe 6, which facilitates direct observation of blood conditions in the syringe 6, wherein a nipple of the syringe 6 at the front end of the syringe 6 is plugged by a rubber cuff for preventing blood from flowing out.

In detail, the syringe 6 is provided inside the hub 1 so that the syringe 6 is protected by the hub 1, and the syringe 6 is removably provided inside the hub 1 so that the syringe 6 can be easily removed, the syringe 6 can be observed and operated, and Platelet Rich Plasma (PRP) after separation can be easily obtained by the syringe 6. Alternatively, the syringe 6 may be an injectable syringe 6, so that the blood to be centrifuged can be directly injected. The sleeve 1 may be made of a material with high strength and light weight, such as stainless steel or aluminum alloy. The interior of the barrel 1 may be of different sizes to accommodate syringes 6 of different sizes. In detail, the sleeve 1 is mounted on the rotating shaft of the centrifuge body in a fixed manner or detachably mounted on the rotating shaft of the centrifuge body by clamping, bolts, or the like.

During the use, the utility model discloses a blood is deposited to syringe 6 to connect syringe 6 in the pivot of centrifuge main part through sleeve 1 and rotate the centrifugation back, serum, rich platelet plasma (PRP) and the erythrocyte of layering about can obtaining in syringe 6, sleeve 1 can effectual protection syringe 6, and be convenient for directly obtain the rich platelet plasma after the separation through taking out syringe 6.

In some embodiments of the present invention, the sleeve 1 comprises a cover 3 and a cover 4 which are assembled from top to bottom, the syringe 6 is disposed inside the cover 4, and a sealing member 11 is disposed between the cover 3 and the cover 4.

In detail, the cap 3 and the cap body 4 are assembled up and down in any way, for example, by means of screw connection, clamping connection, etc. Optionally, the sealing element 11 may be an O-ring, and when in use, the syringe 6 is disposed in the sleeve body 4, and the elastic deformation and the elastic acting force of the O-ring between the cover 3 and the sleeve body 4 can achieve the sealing effect of the sleeve 1, thereby preventing the syringe 6 disposed in the sleeve 1 from contacting with the outside, and preventing blood in the syringe 6 from being contaminated.

In some embodiments of the present invention, the cover 3 is provided with an external thread 12, the cover 4 is provided with an internal thread 9, and the external thread 12 is threadedly matched with the internal thread 9.

In the above embodiment, the internal thread 9 and the external thread 12 are matched, so that the sleeve cover 3 and the sleeve body 4 are connected more stably, better tightness is obtained, the sleeve cover 3 and the sleeve body 4 are prevented from being separated in the centrifugal process, and safety accidents are reduced.

In some embodiments of the present invention, the PRP centrifuge body includes a centrifuge rotor 2, and the sleeve 1 is mounted on the rotating shaft of the centrifuge body through the centrifuge rotor 2.

Alternatively, the centrifuge rotor 2 may be a horizontal rotor 2, so that a large preparation capacity and a good centrifugation effect can be obtained. Wherein, sleeve 1 passes through centrifuge rotor 2 and installs in centrifuge's pivot, can be for detachable installation, is convenient for take off sleeve 1 and rotor 2 and carry out disinfection processing and deposit it.

In some embodiments of the present invention, the centrifuge rotor 2 comprises a rotor 2 body and a rotating member 8, the rotor 2 body is horizontally provided with a slot 7 for placing the sleeve 1, the slot 7 is provided with a rotating member 8 on two opposite side walls, and the rotating member 8 is rotatably connected with the sleeve 1.

In detail, rotate 8 and be the cylinder, and rotate 8 length direction and the relative both sides wall of draw-in groove 7 perpendicular, sleeve 1 revolves 8 rotatable angle of regulation of rotation in the circumference to obtain better centrifugal effect. The rotation mode of the sleeve 1 around the rotating part 8 can be any one of the conventional selection modes, and the rotation mode can be any one of the conventional selection modes, namely the rotating part 8 rotates to drive the sleeve 1 to rotate, and the sleeve 1 rotates around the fixed rotating part 8. Alternatively, the plurality of slots 7 may be provided, and the plurality of slots 7 are circumferentially provided in the rotor 2 main body around the rotation shaft. Place sleeve 1 through a plurality of draw-in grooves 7, can install a plurality of sleeves 1 in 2 main parts of rotor to drive a plurality of sleeves 1 simultaneously through the pivot and rotate the centrifugation.

In some embodiments of the present invention, two outer sidewalls of the sleeve 4 opposite to each other are respectively provided with a guiding slot 5, and the guiding slot 5 and the rotating member 8 abut against each other.

In the above embodiment, the rotating member 8 is located on two opposite side walls of the slot 7, and the two side walls of the sleeve 1 are respectively provided with the sliding guide slots 5, so that the end portion of the rotating member 8 abuts against the sliding guide slots, thereby enhancing the stability of connection between the sleeve 1 and the rotor 2, optionally, the sliding guide slots 5 can be of an L-shaped type, and the sleeve 1 can be horizontally inserted into the rotating member 8 through the sliding guide slots 5 first, and then vertically and downwardly moved to abut against the rotating member 8.

In some embodiments of the present invention, the length direction of the guiding groove 5 is axially arranged along the sleeve body 4, and the guiding groove 5 is provided with an opening near one end of the bottom of the sleeve body 4.

In the above embodiment, the guiding chute 5 is axially disposed along the sleeve body 4, and an opening is disposed at one end of the guiding chute close to the bottom of the sleeve body 4, so that the sleeve body 4 can be conveniently connected to the rotating member 8 through the guiding chute 5 from top to bottom, and the use is convenient. Optionally, the length of the guide chute 5 may be one third of the length of the sleeve body 4, so that the middle part of the sleeve 1 is conveniently mounted on the rotor 2 through the guide chute 5, and the sleeve 1 is conveniently mounted on and removed from the rotor 2.

In some embodiments of the present invention, a first cavity 10 is disposed inside the sheath 4, the first cavity 10 is sleeved on the lower portion of the syringe 6, and the shape of the first cavity 10 matches the shape of the lower portion of the syringe 6.

In the above embodiments. The shape of the first cavity 10 is matched with the shape of the lower part of the injector 6, and when the syringe is used, the injector 6 can be arranged inside the sleeve body 4 in a more fitting manner, so that the injector 6 is prevented from shaking in the sleeve body 4 in the centrifugal process and colliding with the sleeve body 4, and the injector 6 is prevented from being damaged or the obtained platelet-rich plasma is activated due to strong shaking.

In some embodiments of the present invention, a second cavity 13 is disposed inside the cap 3, the second cavity 13 is sleeved on the upper portion of the syringe 6, and the shape of the second cavity 13 matches the shape of the portion of the syringe 6 extending out of the first cavity 10.

In the above embodiment, the shape of the second cavity 13 matches the shape of the portion of the syringe 6 extending out of the first cavity 10, so that the cover 3 can be sleeved on the syringe 6 from top to bottom, and the syringe 6 is prevented from bumping up and down. And facilitates the connection of the cover 3 and the cover body 4. Thereby making the syringe 6 more stable within the barrel 1.

In some embodiments of the present invention, the sleeve 1 is a plurality of sleeves, and the plurality of sleeves 1 are circumferentially disposed on the centrifuge body around the rotating shaft.

In the above embodiment, the number of the cartridges 1 is plural, so that the plural syringes 6 storing blood can be respectively disposed inside the cartridges 1, and more Platelet Rich Plasma (PRP) can be prepared at the same time to meet different needs. Optionally, the number of the sleeves 1 can be 4, and the clamping grooves 7 are evenly distributed on the circumference. The sleeves 1 are respectively arranged on the periphery of the rotor 2 through the clamping grooves 7, and the manner of matching the sleeves 1 with the clamping grooves 7 is the same as that described above, and the description is not repeated here.

The embodiment of the application provides a PRP centrifugal device, and it contains centrifuge main part, syringe 6 and sleeve 1, through the installation of centrifuge main part, is applicable to the centrifuge of different models and centrifuges blood. Wherein the syringe 6 is used for storing blood, and is convenient for drawing, collecting and taking out blood from the outside; by disposing the syringe 6 inside the sleeve 1, the syringe 6 is protected during centrifugation; the sleeve 1 is mounted on a rotating shaft of the centrifuge body so that the blood in the syringe 6 is centrifuged by the rotation of the rotating shaft during centrifugation. The utility model discloses a blood is deposited to syringe 6 to connect syringe 6 in the pivot of centrifuge main part through sleeve 1 and rotate the centrifugation back, serum, Platelet Rich Plasma (PRP) and the erythrocyte of layering about can obtaining in syringe 6, thereby be convenient for obtain the Platelet Rich Plasma (PRP) after the separation through taking out syringe 6. The utility model discloses think about ingenious, safe convenient, low cost.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A PRP centrifugal device is characterized by comprising a centrifuge main body, an injector and a sleeve, wherein the injector is arranged in the sleeve, the sleeve is arranged on a rotating shaft of the centrifuge main body, and the rotating shaft is vertically arranged; the sleeve comprises a sleeve cover and a sleeve body which are assembled up and down, the injector is arranged in the sleeve body, and a sealing element is arranged between the sleeve cover and the sleeve body.

2. The PRP centrifuge of claim 1, wherein said cap has an external thread and said sheath has an internal thread, said external thread mating with said internal thread.

3. A PRP centrifugation device according to claim 1, comprising a centrifuge rotor, said sleeve being mounted to a shaft of said centrifuge body via said centrifuge rotor.

4. A PRP centrifuge as claimed in claim 3, wherein said rotor comprises a rotor body and a rotor, said rotor body having a horizontal slot for receiving said sleeve, said slot having a rotor on opposite sides, said rotor being rotatably connected to said sleeve.

5. The PRP centrifugal device as claimed in claim 4, wherein the two outer side walls of the sheath body are respectively provided with a guiding groove, and the guiding grooves are abutted against the rotating member.

6. The PRP centrifugal device as claimed in claim 5, wherein the length direction of the guiding chute is along the axial direction of the sheath, and the end of the guiding chute near the bottom of the sheath is provided with an opening.

7. The PRP centrifugal device of claim 1, wherein the sheath has a first cavity inside, the first cavity is sleeved on the lower part of the syringe, and the shape of the first cavity matches with the shape of the lower part of the syringe.

8. A PRP centrifugal device according to claim 7, wherein the inside of the cover is provided with a second cavity, the second cavity is sleeved on the upper part of the syringe, and the shape of the second cavity is matched with the shape of the part of the syringe extending out of the first cavity.

9. A PRP centrifuge as in claim 1, wherein said plurality of sleeves is disposed circumferentially about said axis of rotation in said centrifuge body.