CN217340180U

CN217340180U - PRP extraction element

Info

Publication number: CN217340180U
Application number: CN202220240326.1U
Authority: CN
Inventors: 李泉; 裘玉平; 郭传金; 李自进
Original assignee: Guangdong Handing Medical Technology Co ltd
Current assignee: Guangdong Handing Medical Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-09-02
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a PRP extraction element, including the extraction tube, the upper end of extraction tube is equipped with the connector, and the inside of extraction tube is equipped with the piston. The utility model extracts PRP through the extraction tube, and the extraction tube does not need to be stretched into by a long needle tube for extraction, thereby reducing the interference of human factors, and the extracted PRP has higher purity and is more stable, thereby being capable of extracting rich leukocyte platelet-rich plasma, poor leukocyte platelet-rich plasma and injectable platelet-rich fibrin; the end cover is sleeved on the connecting head of the utility model, and the connecting head is sealed by the end cover, thereby avoiding that blood is thrown out from the connecting head during centrifugation; the utility model discloses the bottom of extraction tube is equipped with the base, carries on spacingly through the base to the piston to can avoid the extraction tube to lead to the piston to be thrown away at centrifugal in-process.

Description

PRP extraction element

Technical Field

The utility model belongs to the technical field of the PRP draws, concretely relates to PRP extraction element.

Background

PRP autologous serum stem cells (Platelet Rich Plasma) refer to Platelet, Plasma or growth factor Rich blood cells. The PRP extraction technology is to extract cells and plasma rich in high-concentration platelets and various self-growth factors by using self blood.

In the prior art, blood is mostly collected through a blood collection tube, then the blood in the blood collection tube is centrifuged by using a centrifuge, and then the blood is inserted into centrifuged test tube liquid by using a long needle tube (from top to bottom), and due to the fact that PRP autologous serum stem cells generally exist in the middle layer, the PRP autologous serum stem cells are extracted manually, and the technical defects of large error, poor repeatability, large interference of human factors, unstable concentration, poor effect and the like exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PRP extraction element to solve the problem of proposing in the above-mentioned background art. The utility model provides a pair of PRP extraction element has the characteristics that can accurately draw PRP.

In order to achieve the above purpose, the utility model provides a following technical scheme: a PRP extraction element, includes the extraction tube, and the upper end of extraction tube is equipped with the connector, and the inside of extraction tube is equipped with the piston.

In order to seal the connector and prevent blood from being thrown out of the connector 5 during centrifugation, an end cap is further sleeved on the connector.

In order to facilitate the disassembly and assembly between the end cover and the connector, further, the end cover is connected with the connector through thread engagement.

In order to facilitate the assembly and disassembly of the end cover and the connector, the connector is in a frustum structure, the structure of the end cover corresponds to that of the connector, and the end cover is connected with the connector in an interference fit manner.

In order to avoid the piston from being thrown out in the centrifugal process of the extraction tube, a base is further arranged at the bottom of the extraction tube.

To facilitate the assembly of the piston with the extraction tube, further, the base is connected with the extraction tube by a threaded engagement.

In order to facilitate the movement of the piston in the extraction tube during blood infusion or extraction, further, the circumference of the lower end of the extraction tube is provided with an air hole close to the base.

In order to extract PRP more steadily, ensure the precision of extracting, further, still include the elbow, the elbow setting is in the top of connector.

The utility model discloses in furtherly, a PRP extraction element's implementation method, including following step:

injecting blood into the extraction tube through the connector;

covering an end cover, and putting the extraction tube into a centrifuge for centrifugation;

after centrifugation, opening an end cover, connecting a drawing needle cylinder with a connector through an elbow, and drawing out PP and PRP liquid on the upper layer in the drawing tube;

(IV) injecting the extracted PP and PRP liquid into a new extraction pipe;

(V) repeating the step (II);

and (VI) extracting the PP liquid on the upper layer through the extraction syringe, and extracting the PRP liquid left in the extraction tube through a new extraction syringe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model extracts PRP through the extraction tube without extending a long needle tube, reduces the interference of human factors, has higher purity of extracted PRP and is more stable, thereby being capable of extracting rich white blood cell plasma, poor white blood cell plasma and injectable fibrin;

2. the end cover is sleeved on the connecting head of the utility model, and the connecting head is sealed by the end cover, thereby avoiding that blood is thrown out from the connecting head during centrifugation;

3. the bottom of the extraction tube of the utility model is provided with the base, and the piston is limited by the base, thereby avoiding the piston from being thrown out in the centrifugal process of the extraction tube;

4. the utility model discloses be equipped with the gas pocket that is close to the base on the circumference of extraction tube lower extreme, be convenient for when injecting blood or extracting, the removal of piston in the extraction tube.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of embodiment 2 of the present invention;

in the figure: 1. a base; 2. a piston; 3. an extraction tube; 4. an end cap; 5. a connector; 6. air holes; 7. bending the pipe; 8. the syringe is withdrawn.

Detailed Description

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 work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a PRP extraction element, includes extraction tube 3, and extraction tube 3's upper end is equipped with connector 5, and extraction tube 3's inside is equipped with piston 2.

By adopting the technical scheme, the extraction tube 3 is used for extracting PRP without extending a long needle tube, so that the interference of human factors is reduced, the purity of the extracted PRP is higher and more stable, and the leukocyte-rich platelet-rich plasma (L-PRP), the leukocyte-poor platelet-rich plasma (P-PRP) and the injectable platelet-rich fibrin (i-PRF) can be extracted.

Specifically, the end cover 4 is sleeved on the connecting head 5.

Through adopting above-mentioned technical scheme, through end cover 4 sealing connector 5 to avoid when the centrifugation, blood throws away from connector 5.

Specifically, the end cap 4 is connected with the connector 5 through threaded engagement.

Through adopting above-mentioned technical scheme, the dismouting between end cover 4 and the connector 5 of being convenient for.

Specifically, the bottom of the extraction tube 3 is provided with a base 1.

Through adopting above-mentioned technical scheme, carry on spacingly through base 1 to piston 2 to can avoid extracting tube 3 to lead to piston 2 to be thrown away at centrifugal in-process.

Specifically, the base 1 is connected with the extraction tube 3 through threaded engagement.

Through adopting above-mentioned technical scheme, the dismouting of base 1 and extraction tube 3 of being convenient for to the assembly of piston 2 and extraction tube 3 of being convenient for.

Specifically, the circumference of the lower end of the extraction pipe 3 is provided with an air hole 6 close to the base 1.

By adopting the technical scheme, the piston 2 can move in the extraction tube 3 conveniently during blood injection or extraction.

Example 2

Referring to fig. 4, the difference between the embodiment and embodiment 1 is: specifically, the connector 5 is a frustum-shaped structure, the structure of the end cover 4 corresponds to that of the connector 5, and the end cover 4 is connected with the connector 5 in an interference fit manner.

Example 3

The present embodiment is different from embodiment 1 in that: specifically, still include elbow 7, elbow 7 sets up the top at the connector.

Through adopting above-mentioned technical scheme, make through setting up of elbow 7 can the level operate when extracting the PRP through extraction cylinder 8 to can be more steadily extract the PRP, ensure the accuracy nature of extracting.

Further, the utility model discloses a PRP extraction element's implementation method, including following step:

injecting blood into the extraction tube 3 through the connector 5;

secondly, covering an end cover 4, and putting the extraction tube 3 into a centrifuge for centrifugation;

thirdly, after centrifugation, opening the end cover 4, connecting the extraction syringe 8 with the connector 5 through the elbow 7, and extracting PP (plasma) and PRP (platelet-rich plasma) liquid on the upper layer in the extraction tube 3;

(IV) injecting the extracted PP and PRP liquid into a new extraction pipe 3;

(V) repeating the step (II);

and (VI) extracting the PP liquid on the upper layer through the extraction syringe 8, and extracting the PRP liquid left in the extraction tube 3 through a new extraction syringe 8.

To sum up, the utility model discloses an extraction tube 3 draws PRP, need not to stretch into with the long syringe needle and draw, has reduced the interference of human factor, and the purity of PRP that draws is higher, and is more stable to can draw leucocyte-rich platelet-rich plasma (L-PRP), leucocyte-poor platelet-rich plasma (P-PRP) and injectable platelet-rich fibrin (i-PRF); the end cover 4 is sleeved on the connector 5 of the utility model, and the connector 5 is sealed by the end cover 4, thereby avoiding that blood is thrown out from the connector 5 during centrifugation; the bottom of the extraction tube 3 of the utility model is provided with the base 1, and the piston 2 is limited by the base 1, thereby avoiding the piston 2 from being thrown out in the centrifugation process of the extraction tube 3; the utility model discloses be equipped with the gas pocket 6 that is close to base 1 on the circumference of extraction tube 3 lower extreme, be convenient for when injecting blood or extracting, the removal of piston 2 in extraction tube 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PRP extraction element, includes extraction tube, its characterized in that: the upper end of the extraction pipe is provided with a connector, and a piston is arranged inside the extraction pipe;

an end cover is sleeved on the connecting head;

the bottom of the extraction tube is provided with a base;

the circumference of the lower end of the extraction pipe is provided with an air hole close to the base.

2. The PRP extraction device according to claim 1, wherein: the end cover is connected with the connector in a threaded engagement mode.

3. The PRP extraction device according to claim 1, wherein: the connector is a frustum-shaped structure, the structure of the end cover corresponds to that of the connector, and the end cover is connected with the connector in an interference fit mode.

4. The PRP extraction device according to claim 1, wherein: the base is connected with the extraction pipe through thread engagement.

5. The PRP extraction device according to claim 1, wherein: still include the elbow, the elbow setting is in the top of connector.