CN213612023U - Blood PRP separating tube - Google Patents
Blood PRP separating tube Download PDFInfo
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- CN213612023U CN213612023U CN202021869272.2U CN202021869272U CN213612023U CN 213612023 U CN213612023 U CN 213612023U CN 202021869272 U CN202021869272 U CN 202021869272U CN 213612023 U CN213612023 U CN 213612023U
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Abstract
The utility model discloses a blood PRP separating tube, which is formed by connecting a separating tube I, a separating tube II and a separating tube III in sequence into a test tube structure; the separation pipe II is a flexible pipe, and the separation pipe I and the separation pipe III are rigid pipes; the device also comprises an adjusting sleeve and an elastic body; the adjusting sleeve is completely covered and sleeved outside the separation pipe II, one end of the adjusting sleeve is sleeved on the pipe section of the separation pipe I close to the bottom end, and the other end of the adjusting sleeve is sleeved on the pipe section of the separation pipe III close to the top end; the inner wall of the adjusting sleeve is circumferentially provided with a continuous closed annular groove, and an elastic body is arranged in the annular groove; under operating condition, along test tube structure axial displacement adjusting sleeve, realize that the elastomer is located between separator II and the ring channel, receive the elastomer to recover the extrusion and act on separator II, separator II warp, the internal diameter reduces. The utility model discloses do benefit to the separation and draw rich platelet plasma, simple structure, convenient operation, the suitability is strong.
Description
Technical Field
The utility model relates to a medical instrument, concretely relates to blood PRP separating tube.
Background
Platelet-rich plasma (PRP for short) as a medical component of autologous source is naturally not rejected by the body and is safer to apply. Platelets are key cellular components for maintaining the human coagulation balance and play a crucial role in hemostasis. However, besides the hemostatic function, platelets play an important role in wound healing, tissue regeneration, fracture healing, and the like, mainly because platelet cells not only contain factors related to blood coagulation, but also contain serotonin, platelet growth factor, transforming growth factor, and the like, in particular platelet growth factor and transforming growth factor, and after being released in large quantities by platelets, the platelets can induce surrounding cells to produce more factors, such as epidermal growth factor, fibroblast growth factor, and the like, and the factors act together, so that the wound healing and tissue regeneration speed can be greatly improved.
Platelet separation (Platelet-Richperesis or Platelet-Richplasmapheresis) is an important technology for component blood transfusion, in which after separation by gravity centrifugation, hemoglobin is located in the lower layer, Platelet-Richplasma is located in the upper layer, and Platelet-Richplasma is located in the middle layer, and is relatively small, and the whole separation and extraction process needs to be isolated from the external environment, so that the sample is prevented from being polluted, and the Platelet-Richplasma is not easy to extract.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the conventional gravity centrifugal separation effect is difficult for separating and extracting platelet-rich plasma, the utility model provides a blood PRP separating tube which solves the problems.
The utility model discloses a following technical scheme realizes:
the blood PRP separation tube comprises a separation tube I, a separation tube II and a separation tube III, the bottom end of the separation tube III is closed, the separation tube I, the separation tube II and the separation tube III are sequentially connected into a test tube structure, the top end of the separation tube I is open, and the bottom end of the separation tube III is closed; the separation pipe II is a flexible pipe, and the separation pipe I and the separation pipe III are rigid pipes; the device also comprises an adjusting sleeve and an elastic body; the adjusting sleeve is completely covered and sleeved outside the separation pipe II, meanwhile, one end of the adjusting sleeve is sleeved on the pipe section of the separation pipe I close to the bottom end, and the other end of the adjusting sleeve is sleeved on the pipe section of the separation pipe III close to the top end; the inner wall of the adjusting sleeve is circumferentially provided with a continuous closed annular groove, and an elastic body is arranged in the annular groove; in a non-working state, the elastic body is elastically deformed and extruded between the outer wall of the separation pipe I and the annular groove; under operating condition, along test tube structure axial displacement adjusting sleeve, realize that the elastomer is located between separator II and the ring channel, receive the elastomer to recover the extrusion and act on separator II, separator II warp, the internal diameter reduces.
In the conventional platelet separation operation process, through gravity centrifugation separation back, hemoglobin is located the lower floor, and pan platelet plasma is located the upper strata, and rich platelet plasma is located the intermediate level, and is less relatively, and whole separation, extraction process will be isolated with external environment, avoid the sample to receive the pollution, consequently be difficult for extracting rich platelet plasma.
Based on the above background, the utility model provides a do benefit to and draw separator tube of collecting rich platelet plasma. The integral structure of the separation pipe consists of a rigid separation pipe I, a rigid separation pipe III and a flexible separation pipe II in the middle, an adjusting sleeve is sleeved on the separation pipe, and an elastic body is elastically deformed and extruded between the outer wall of the separation pipe I and an annular groove of the adjusting sleeve in a non-working state; under the operating condition, along test tube structure axial displacement adjusting sleeve, make elastomer synchronous movement to rich platelet plasma position department, the elastomer just is located between separator tube II and the ring channel like this, weakens the squeezing action of elastomer, and the elastomer acts on flexible separator tube II to resilient state action and extrusion, and separator tube II warp, the internal diameter reduces, and the axial height on rich platelet plasma layer increases like this, makes things convenient for the staff to extract through drawing the syringe needle. The utility model discloses an adjusting sleeve plays fixed limiting displacement to the elastomer on the one hand, and on the other hand drives the elastomer through adjusting sleeve and removes to rich platelet plasma position department, radially extrudees the separator tube II pipeline section that this layer corresponds.
Further preferably, the inner wall of the adjusting sleeve is connected with the outer wall of the separating tube I and the outer wall of the separating tube III in an interference fit manner, or the inner wall of the adjusting sleeve is connected with the outer wall of the separating tube I and the outer wall of the separating tube III in a threaded fit manner.
The utility model relates to an adjusting sleeve's inner wall and separator I and the laminating of separator III outer wall, the guarantee is to the extrusion limiting displacement of elastomer to and in centrifugal process, to flexible separator II's supporting role.
Further preferably, the side wall of the adjusting sleeve is provided with a strip-shaped visual observation window along the axial direction, and the strip-shaped extending direction is in the same direction as the axial direction of the adjusting sleeve.
Through set up the observation window at the adjusting sleeve lateral wall, make things convenient for the staff to observe the rich platelet plasma layer position after the separation.
Further preferably, the length of the elastic body is smaller than the length of the separation tube II in the axial direction of the cuvette structure.
The length that preferentially sets up the elastomer is less than separator II's length, and the guarantee is to different sample centrifugal separation back, and platelet rich plasma all can fall to separator II place region, then adjusts the elastomer position through removing and extrude platelet rich plasma place tube section department.
More preferably, the length of the elastic body is less than half of the length of the separation tube II.
The utility model relates to a length undersize of elastomer then can not be to the long and narrow pipeline of whole rich platelet plasma layer extrusion formation, the length of design elastomer is too big, then the flexibility ratio of adjusting and the adaptability to different samples reduces.
Further preferably, the elastic body is an elastic rubber body or an air bag.
The utility model discloses preferred design elastomer adopts the elastic rubber pipe, or adopts inflatable air bag, and elastomer appearance structure is closed annular, and closed annular's outer wall bonds and fixes in the ring channel, closed annular's inner wall and separator outer wall contact.
Further preferably, joints are arranged at two ends of the separation tube II and detachably connected with the corresponding separation tube I or separation tube III.
Can dismantle through the both ends with separator tube II and be connected with separator tube I and separator tube III through connecting, simple structure, convenient operation still does benefit to and changes separator tube II.
Further preferably, the joint comprises a threaded section and a straight pipe end which are integrally connected, the threaded section is used for threaded connection of the inner wall of the corresponding separation pipe I or separation pipe III, and the straight pipe end is integrally connected with the separation pipe II.
The utility model discloses preferred joint and separator I and separator III threaded connection, simple structure, convenient operation. The joint of the joint and the separation pipe I and the separation pipe III can be sealed through structures such as a sealing ring.
Further preferably, the separating tube also comprises an end plug, the end plug is hermetically connected with the open end at the top of the separating tube I, an exhaust hole is formed in the end plug, and a one-way air valve is arranged in the exhaust hole.
The utility model is preferably provided with an end plug, and the open end of the separation pipe is sealed by the end plug to isolate pollution; through set up the exhaust hole on the end plug, conveniently play the effect of atmospheric pressure in the balanced separator tube to separator tube II extrusion deformation in-process.
The utility model discloses have following advantage and beneficial effect:
the utility model provides a separation tube which is beneficial to extracting and collecting platelet-rich plasma. The integral structure of the separation pipe consists of a rigid separation pipe I, a rigid separation pipe III and a flexible separation pipe II in the middle, an adjusting sleeve is sleeved on the separation pipe, and an elastic body is elastically deformed and extruded between the outer wall of the separation pipe I and an annular groove of the adjusting sleeve in a non-working state; under the operating condition, along test tube structure axial displacement adjusting sleeve, make elastomer synchronous movement to rich platelet plasma position department, the elastomer just is located between separator tube II and the ring channel like this, weakens the squeezing action of elastomer, and the elastomer acts on flexible separator tube II to resilient state action and extrusion, and separator tube II warp, the internal diameter reduces, and the axial height on rich platelet plasma layer increases like this, makes things convenient for the staff to extract through drawing the syringe needle. The utility model discloses an adjusting sleeve plays fixed limiting displacement to the elastomer on the one hand, and on the other hand drives the elastomer through adjusting sleeve and removes to rich platelet plasma position department, radially extrudees the separator tube II pipeline section that this layer corresponds.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the whole structure of the blood PRP separation tube of the present invention;
fig. 2 is a schematic view of the axial cross-section structure of the blood PRP separation tube of the present invention, in an operating state;
FIG. 3 is a schematic axial sectional view of the PRP separation tube of the present invention, in a non-operating state;
fig. 4 is the local structure diagram of the connection state of the separation tube II, the separation tube I and the separation tube III.
Reference numbers and corresponding part names in the drawings: 1-separation tube I, 2-separation tube II, 3-separation tube III, 4-adjusting sleeve, 5-elastomer, 6-joint, 7-end plug, 8-vent hole, 9-sampling hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
The embodiment provides a blood PRP separation tube, which comprises a separation tube I1, a separation tube II2 and a separation tube III3, wherein two ends of the separation tube I1 are open, two ends of the separation tube II2 are open, and the top end and the bottom end of the separation tube III3 are open; the bottom end of separation tube I1 is connected with the top end of separation tube II2, and the bottom end of separation tube II2 is connected with the top end of separation tube III3, i.e. separation tube I1, separation tube II2 and separation tube III3 are connected in sequence to form a test tube structure.
The separation tube II2 is a flexible tube, and the separation tube I1 and the separation tube III3 are rigid tubes; also comprises an adjusting sleeve 4 and an elastic body 5; the adjusting sleeve 4 is completely covered and sleeved outside the separation pipe II2, meanwhile, one end of the adjusting sleeve 4 is sleeved on the pipe section of the separation pipe I1 close to the bottom end, and the other end of the adjusting sleeve 4 is sleeved on the pipe section of the separation pipe III3 close to the top end; the inner wall of the adjusting sleeve 4 is circumferentially provided with a continuous closed annular groove, and an elastic body 5 is arranged in the annular groove;
in a non-working state, the elastic body 5 is elastically deformed and squeezed between the outer wall of the separation pipe I1 and the annular groove; under the operating condition, along test tube structure axial displacement adjusting sleeve 4, realize that elastomer 5 is located between separator II2 and the ring channel, receive elastomer 5 recovery extrusion effect separator II2, separator II2 warp, the internal diameter reduces.
Example 2
In a further improvement on example 1, the inner wall of adjusting sleeve 4 is in interference fit connection with the outer wall of separation tube I1 and the outer wall of separation tube III3, or the inner wall of adjusting sleeve 4 is in threaded fit connection with the outer wall of separation tube I1 and the outer wall of separation tube III 3.
The lateral wall of adjusting sleeve 4 is equipped with the visual observation window of bar along the axial, and bar extending direction is with the axial syntropy of adjusting sleeve 4.
The length of the elastic body 5 in the axial direction of the test tube structure is smaller than that of the separation tube II2, and the length of the elastic body 5 is preferably half of that of the separation tube II2 in the present embodiment.
The elastic body 5 adopts an elastic rubber body or an air bag.
Example 3
In a further improvement on the embodiment 2, the two ends of the separation tube II2 are respectively provided with a joint 6, and the joints 6 are detachably connected with the corresponding separation tube I1 or separation tube III 3. The joint 6 comprises an integrally connected threaded section and a straight pipe end, wherein the threaded section is used for the threaded connection of the inner wall of the corresponding separation pipe I1 or separation pipe III3, and the straight pipe end is integrally connected with the separation pipe II 2.
In addition, the device also comprises an end plug 7, wherein the end plug 7 is hermetically connected with the open top end of the separation pipe I1, an exhaust hole 8 is formed in the end plug 7, and a one-way air valve is arranged in the exhaust hole 8.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The blood PRP separating tube comprises a separating tube I (1), a separating tube II (2) and a separating tube III (3), wherein the bottom end of the separating tube III (3) is closed, the separating tube I (1), the separating tube II (2) and the separating tube III (3) are sequentially connected into a test tube structure, the top end of the separating tube I (1) is open, and the bottom end of the separating tube III (3) is closed; the device is characterized in that the separation tube II (2) is a flexible tube, and the separation tube I (1) and the separation tube III (3) are rigid tubes;
the device also comprises an adjusting sleeve (4) and an elastic body (5); the adjusting sleeve (4) is completely covered and sleeved outside the separation pipe II (2), meanwhile, one end of the adjusting sleeve (4) is sleeved on the pipe section of the separation pipe I (1) close to the bottom end, and the other end of the adjusting sleeve (4) is sleeved on the pipe section of the separation pipe III (3) close to the top end;
the inner wall of the adjusting sleeve (4) is circumferentially provided with a continuous closed annular groove, and an elastic body (5) is arranged in the annular groove;
in a non-working state, the elastic body (5) is elastically deformed and extruded between the outer wall of the separation pipe I (1) and the annular groove; under operating condition, along test tube structure axial displacement adjusting sleeve (4), realize that elastomer (5) are located between separator II (2) and the ring channel, receive elastomer (5) to recover the extrusion and act on separator II (2), separator II (2) warp, the internal diameter reduces.
2. The blood PRP separation tube according to claim 1, characterized in that the inner wall of the adjusting sleeve (4) is connected with the outer wall of the separation tube I (1) and the outer wall of the separation tube III (3) in an interference fit manner, or the inner wall of the adjusting sleeve (4) is connected with the outer wall of the separation tube I (1) and the outer wall of the separation tube III (3) in a threaded fit manner.
3. The blood PRP separation tube according to claim 1, wherein the side wall of the adjusting sleeve (4) is provided with a strip-shaped visual observation window along the axial direction, and the strip-shaped extension direction is the same direction as the axial direction of the adjusting sleeve (4).
4. A blood PRP separation tube according to claim 1, wherein the length of the elastic body (5) is smaller than the length of the separation tube II (2) in the axial direction along the tube structure.
5. The blood PRP separation tube according to claim 4, wherein the length of the elastic body (5) is less than half of the length of the separation tube II (2).
6. The blood PRP separation tube according to claim 1, wherein the elastic body (5) is an elastic rubber body or a balloon.
7. The blood PRP separation tube according to claim 1, wherein the two ends of the separation tube II (2) are both provided with a joint (6), and the joints (6) are detachably connected with the corresponding separation tube I (1) or III (3).
8. A blood PRP separation tube according to claim 7, characterized in that the adapter (6) comprises an integrally connected threaded section for the inner wall thread connection of the corresponding separation tube I (1) or III (3) and a straight tube end integrally connected with the separation tube II (2).
9. The blood PRP separation tube according to claim 1, further comprising an end plug (7), wherein the end plug (7) is hermetically connected with the open top end of the separation tube I (1), the end plug (7) is provided with an exhaust hole (8), and a one-way air valve is arranged in the exhaust hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869272.2U CN213612023U (en) | 2020-08-31 | 2020-08-31 | Blood PRP separating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869272.2U CN213612023U (en) | 2020-08-31 | 2020-08-31 | Blood PRP separating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213612023U true CN213612023U (en) | 2021-07-06 |
Family
ID=76647430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021869272.2U Active CN213612023U (en) | 2020-08-31 | 2020-08-31 | Blood PRP separating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213612023U (en) |
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2020
- 2020-08-31 CN CN202021869272.2U patent/CN213612023U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221230 Address after: No. 147, Qingjiang Middle Road, Qingbaijiang District, Chengdu, Sichuan 610000 (in Chengdu Europe Entrepreneurship Yard) Patentee after: Chengdu Zhirong Zhichuang Intellectual Property Operation Co.,Ltd. Address before: 610000 No. 10, 2 2, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Patentee before: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. |
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| TR01 | Transfer of patent right |