CN217392443U - Platelet-rich plasma separation device - Google Patents
Platelet-rich plasma separation device Download PDFInfo
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- CN217392443U CN217392443U CN202221352755.4U CN202221352755U CN217392443U CN 217392443 U CN217392443 U CN 217392443U CN 202221352755 U CN202221352755 U CN 202221352755U CN 217392443 U CN217392443 U CN 217392443U
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Abstract
The utility model relates to a rich platelet plasma separator, including upper cover, stack shell and lower cover, the stack shell comprises consecutive last pipeline section, necking down section and low tube section, and last pipeline section, necking down section and low tube section are the hyaline tube, the outer wall of necking down section is the convex surface. The platelet-rich plasma separation device of the utility model has the advantages that the layering situation in the tube can be clearly seen at all angles after the necking section is made into the convex surface, the purification of operators is convenient, and the extraction rate of the enriched substance is improved; the effect of convex surface is made to the necking down section, increases the connection area of necking down section and upper and lower pipeline section, can also strengthen the bulk strength of stack shell, improves the security and the stability of product in centrifugal process.
Description
Technical Field
The utility model belongs to the technical field of plasma separator, a rich platelet plasma separator is related to.
Background
The platelet-rich plasma separation device on the market at present basically adopts an external structure with thick ends and thin middle, namely, the middle section is a necking section (as shown in figure 1). The purpose of this is to concentrate the platelet rich plasma concentrate in this constricted neck portion. Because the fraction of the concentrate in the separated stratified fluid after platelet rich plasma separation is small. Therefore, the enrichment is concentrated at the necking section, and the enrichment can be better and conveniently extracted by workers. However, because the color of the concentrate is very similar to that of the leucocytes on the upper layer, the concentrate is difficult to be extracted hundreds of percent in the extraction process, so that the concentrate with very low content is wasted. Meanwhile, because the neck section is made, the strength of the joint is relatively low, and the joint has the risk of fracture in the centrifugal process.
Therefore, there is a need for an improved platelet rich plasma separation device of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a platelet-rich plasma separation device.
In order to achieve the purpose, the utility model adopts the technical proposal as follows:
the utility model provides a rich platelet plasma separator, includes upper cover, stack shell and lower cover, and the stack shell comprises last pipeline section, necking down section and the lower tube section that links to each other in proper order, and last pipeline section, necking down section and lower tube section are the hyaline tube, the outer wall of necking down section is the convex surface.
To the unclear and extravagant problem of enrichment thing layering, the utility model discloses do the convex surface with necking down section outer wall on the basis of current product and handle, just so made every point of necking down section periphery all have convex lens's effect, can see the layering of leucocyte and enrichment thing clearly, can reduce the waste of enrichment thing in the extraction process.
Moreover, the layering condition in the tube can be clearly seen at all angles after the necking section is made into a convex surface, so that the purification of operators is facilitated, and the extraction rate of the enriched substances is improved.
In addition, the necking section is made into the effect of convex surface, increases the connecting area of necking section and upper and lower pipeline section, can strengthen the bulk strength of stack shell, improves the security and the stability of product in centrifugal process.
As a preferred technical scheme:
in the platelet-rich plasma separation device, the outer tube wall of the neck section is a convex arc surface.
According to the platelet-rich plasma separation device, the curvature radius of the convex arc surface is 8-9, and when the curvature radius of the convex surface of the outer wall of the necking section is within the range, the amplification effect of the necking section is optimal and is about 2.5 times.
The platelet-rich plasma separation device has the advantages that the central axes of the upper pipe section, the neck-reducing section and the lower pipe section are coincident.
The platelet-rich plasma separation device is formed by integrally forming the upper pipe section, the neck reducing section and the lower pipe section.
The platelet-rich plasma separation device comprises an upper pipe section and a lower pipe section, wherein the upper pipe section is formed by combining a cylindrical pipe I and a circular truncated cone pipe a from top to bottom, and the lower end of the circular truncated cone pipe a is a small end; the lower pipe section is formed by combining a cylindrical pipe II and a circular truncated cone pipe b from bottom to top, and the upper end of the circular truncated cone pipe b is a small end; the necking section is a similar cylindrical tube, the hollow part of the similar cylindrical tube is cylindrical, and the outer wall of the similar cylindrical tube is a convex arc surface.
According to the platelet-rich plasma separation device, the inner diameter of the cylindrical tube I, the inner diameter of the cylindrical tube II, the inner diameter of the large end of the circular truncated cone tube a and the inner diameter of the large end of the circular truncated cone tube b are equal, and the outer diameter of the cylindrical tube I, the outer diameter of the cylindrical tube II, the outer diameter of the large end of the circular truncated cone tube a and the outer diameter of the large end of the circular truncated cone tube b are equal.
According to the platelet-rich plasma separation device, the inner diameter of the large end of the circular truncated cone tube a is 27.5-32.5 mm, the inner diameter of the small end of the circular truncated cone tube a is 5-8 mm, the outer diameter of the large end of the circular truncated cone tube a is 28.5-33.5 mm, and the outer diameter of the small end of the circular truncated cone tube a is 6-9 mm.
The platelet-rich plasma separation device has the advantages that the upper cover is tightly screwed and locked with the top end (upper pipe section) of the cylinder body, and the lower cover is in threaded connection with the bottom end (lower pipe section) of the cylinder body.
According to the platelet-rich plasma separation device, the piston is fixed in the lower cover and is in interference fit with the cylinder body.
Has the advantages that:
(1) the platelet-rich plasma separation device of the utility model has the advantages that the layering situation in the tube can be clearly seen at each angle after the necking section is made into the convex surface, thereby facilitating the purification of operators and improving the extraction rate of the enriched substance;
(2) the utility model discloses a rich platelet plasma separator, the effect of convex surface is made to the necking down section, and the bulk strength of stack shell can be strengthened to the connection area of increase necking down section and upper and lower pipeline section, improves security and the stability of product in centrifugal process.
Drawings
FIG. 1 is a schematic view of a prior art platelet-rich plasma separation device;
FIG. 2 is a schematic view of the structure of the body of the platelet-rich plasma separator of the present invention;
fig. 3 is a partial schematic view of the cylinder structure of the platelet-rich plasma separator of the present invention.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and such equivalents also fall within the scope of the appended claims.
A platelet-rich plasma separation device comprises an upper cover, a cylinder body and a lower cover, wherein the upper cover is screwed and locked with the top end of the cylinder body, and the lower cover is in threaded connection with the bottom end of the cylinder body; a piston is fixed in the lower cover and is in interference fit with the cylinder body;
as shown in fig. 2 and 3, the barrel body is composed of an upper pipe section, a neck-reducing section and a lower pipe section which are connected in sequence and have coincident central axes, the upper pipe section, the neck-reducing section and the lower pipe section are formed by integral molding, and the upper pipe section, the neck-reducing section and the lower pipe section are transparent pipes; the upper pipe section is formed by combining a cylindrical pipe I and a circular truncated cone pipe a from top to bottom, and the lower end of the circular truncated cone pipe a is a small end; the lower pipe section is formed by combining a cylindrical pipe II and a circular truncated cone pipe b from bottom to top, and the upper end of the circular truncated cone pipe b is a small end; the neck-reducing section is a cylindrical tube, the hollow part of the neck-reducing section is cylindrical, and the outer wall of the neck-reducing section is a convex cambered surface with the curvature radius of 8-9; the inner diameter of the cylindrical pipe I, the inner diameter of the cylindrical pipe II, the inner diameter of the large end of the circular truncated cone pipe a and the inner diameter of the large end of the circular truncated cone pipe b are equal, and the outer diameter of the cylindrical pipe I, the outer diameter of the cylindrical pipe II, the outer diameter of the large end of the circular truncated cone pipe a and the outer diameter of the large end of the circular truncated cone pipe b are equal; the inner diameter of the large end of the circular truncated cone pipe a is 27.5-32.5 mm, the inner diameter of the small end is 5-8 mm, the outer diameter of the large end is 28.5-33.5 mm, and the outer diameter of the small end is 6-9 mm.
The unclear and extravagant problem of enrichment layering in the layering liquid to after the separation of platelet rich plasma, the utility model discloses do the convex surface with necking down section outer wall on current platelet rich plasma separator's basis and handle (as figure 2), just so make the effect that all has convex lens on every point of necking down section periphery, can see clearly the layering of leucocyte and enrichment (as figure 3), can reduce the waste of enrichment in the extraction process.
Moreover, the layering condition in the tube can be clearly seen at all angles after the necking section is made into a convex surface, so that the purification of operators is facilitated, and the extraction rate of the enriched substances is improved.
In addition, the necking section is made into the effect of convex surface, increases the connecting area of necking section and upper and lower pipeline section, can strengthen the bulk strength of stack shell, improves the security and the stability of product in centrifugal process.
Claims (10)
1. The utility model provides a rich platelet plasma separator, includes upper cover, stack shell and lower cover, and the stack shell comprises consecutive last pipeline section, necking down section and lower tube section, and last pipeline section, necking down section and lower tube section are hyaline tube, its characterized in that: the outer wall of the necking section is a convex surface.
2. The platelet-rich plasma separation device of claim 1 wherein the outer tubular wall of the necked-down section is convexly curved.
3. The platelet-rich plasma separation device according to claim 2, wherein the radius of curvature of the convex arc surface is 8 to 9.
4. The platelet-rich plasma separation device of claim 3 wherein the central axes of the upper, necked down and lower sections coincide.
5. The platelet-rich plasma separation device of claim 4 wherein the upper tube section, the neck section and the lower tube section are integrally formed.
6. The platelet-rich plasma separation device according to claim 5, wherein the upper tube section is composed of a cylindrical tube I and a circular truncated cone tube a from top to bottom, and the lower end of the circular truncated cone tube a is a small end; the lower pipe section is formed by combining a cylindrical pipe II and a circular truncated cone pipe b from bottom to top, and the upper end of the circular truncated cone pipe b is a small end; the necking section is a similar cylindrical tube, the hollow part of the similar cylindrical tube is cylindrical, and the outer wall of the similar cylindrical tube is a convex arc surface.
7. The platelet-rich plasma separation device according to claim 6, wherein the inner diameter of the cylindrical tube I, the inner diameter of the cylindrical tube II, the inner diameter of the large end of the circular truncated cone tube a and the inner diameter of the large end of the circular truncated cone tube b are equal, and the outer diameter of the cylindrical tube I, the outer diameter of the cylindrical tube II, the outer diameter of the large end of the circular truncated cone tube a and the outer diameter of the large end of the circular truncated cone tube b are equal.
8. The platelet-rich plasma separation device according to claim 7, wherein the inner diameter of the large end of the circular truncated cone tube a is 27.5-32.5 mm, the inner diameter of the small end is 5-8 mm, the outer diameter of the large end is 28.5-33.5 mm, and the outer diameter of the small end is 6-9 mm.
9. The platelet-rich plasma separation device according to claim 1, wherein the upper cap is screwed and locked with the top end of the cylinder, and the lower cap is screwed and locked with the bottom end of the cylinder.
10. The platelet rich plasma separating device of claim 9, wherein a piston is secured within the lower cap and is in interference fit with the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221352755.4U CN217392443U (en) | 2022-06-01 | 2022-06-01 | Platelet-rich plasma separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221352755.4U CN217392443U (en) | 2022-06-01 | 2022-06-01 | Platelet-rich plasma separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217392443U true CN217392443U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221352755.4U Active CN217392443U (en) | 2022-06-01 | 2022-06-01 | Platelet-rich plasma separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217392443U (en) |
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2022
- 2022-06-01 CN CN202221352755.4U patent/CN217392443U/en active Active
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