CN210935419U - Platelet-rich plasma centrifugal device - Google Patents
Platelet-rich plasma centrifugal device Download PDFInfo
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- CN210935419U CN210935419U CN201921595291.8U CN201921595291U CN210935419U CN 210935419 U CN210935419 U CN 210935419U CN 201921595291 U CN201921595291 U CN 201921595291U CN 210935419 U CN210935419 U CN 210935419U
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Abstract
The utility model discloses a platelet-rich plasma centrifugal device, wherein the lower part of a container tube is provided with a first conical tube, and the bottom of the first conical tube is provided with a liquid outlet pipe; a cylindrical blocking rod matched with the liquid outlet pipe is arranged in the container pipe, and the blocking rod realizes communication and blocking of the liquid outlet pipe through up-and-down movement; the centrifugal device further comprises a red blood cell container, the upper portion of the red blood cell container is a second conical pipe, a liquid receiving pipe is arranged at the top of the second conical pipe, an internal thread is arranged on the inner side wall of the liquid receiving pipe, and an external thread matched with the liquid receiving pipe is arranged on the outer side wall of the liquid outlet. The utility model discloses set up the drain pipe in the container pipe lower part to through shelves pole lift control erythrocyte descend to can with the red blood cell container of container pipe separation, can separate the red blood cell of bottom completely, mix together with PRP with avoiding broken red blood cell piece, influence the purity of the PRP who draws, and then avoid the enzyme of red blood cell piece release to arouse a series of inflammatory reactions of skin bruise, pain, red swelling at patient treatment position.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to platelet-rich plasma centrifugal device.
Background
Blood is composed of plasma, platelets and blood cells. Wherein the platelets contain all the components necessary for the regeneration and repair of human tissue. When blood is centrifuged, the three components are divided into three layers, namely, a plasma layer, a platelet layer and a red blood cell layer from top to bottom, according to their densities. The content located in the middle layer is Platelet-Rich and becomes Platelet-Rich Plasma (PRP). The upper layer is Platelet Poor Plasma (PPP).
Platelets secrete a variety of growth factors following activation: leukocytes prevent infection, and fibrin can locally construct the three-dimensional structure required for tissue repair. The concentrated PRP component not only can provide concentrated nutrition for tissue repair, but also can build a better repair environment for tissue repair. A number of basic studies and clinical trials have demonstrated that PRP can significantly promote bone and soft tissue repair. Since PRP is from self, safe and effective, it has been widely used in clinical practice in recent years, and now it has been used in orthopedics, oromaxillofacial surgery, plastic surgery, cosmetology, sports medicine, neurosurgery, ophthalmology, otorhinolaryngology, and obstetrics and gynecology.
PRP centrifuging tube among the prior art, usually has seted up a sampling mouth at the top of centrifuging tube, connects a long straw to the centrifuging tube bottom through sampling mouth department, after once centrifugation, through a special syringe cover at the sampling mouth that centrifuging tube top and long straw link to each other, directly extract the red blood cell at the centrifuging tube lower extreme. Such a separation method has the following disadvantages: (1) the operation is complex, the requirement on the technical level of an operator is high, professional technicians are usually required to complete the operation in cooperation with medical workers, and the labor cost is increased; (2) during operation, red blood cells at the lower part of the centrifugal tube cannot be completely pumped out of the centrifugal tube, a large amount of red blood cells remain in the long suction tube, during secondary centrifugation, the red blood cells return to the centrifugal tube again under the action of gravity, the red blood cells are easy to break and break, a series of enzymes are released, after the secondary centrifugation, broken red blood cell fragments and PRP are mixed together, the purity of the extracted PRP is influenced, and when the PRP containing the red blood cell fragments is injected into a part of a patient needing treatment, the enzymes released by the red blood cell fragments can cause a series of inflammatory reactions of skin bruise, pain and redness and swelling of the part of the patient to be treated, and the treatment of the patient is influenced.
The granted utility model patent with application number CN201720423877.0 discloses a platelet-rich plasma centrifuge, which comprises a container tube, a sealing cover, a sealing component, a control component and a straw, wherein the top end of the container tube is provided with a straw opening, the sealing cover is detachably mounted on the straw opening, and the straw can be inserted into the container tube through the straw opening; the bottom of container pipe is provided with the drain pipe, control assembly includes ball valve and control lever, ball valve cooperation fixed mounting be in the drain pipe, the ball valve link up along vertical, the lateral wall of ball valve is provided with the control hole, the drain pipe corresponds the lateral wall department of control hole is provided with the clearing hole, the one end setting of control lever is in the ball valve, the other end of control lever passes in proper order the control hole reaches in the clearing hole, the other end of control lever is located the outside of container pipe, seal assembly detachable is sealed the tip of drain pipe. Although this device can remove the red blood cells deposited in the lower layer during the first centrifugation using a ball valve, it has the following disadvantages: (1) since the weight in the original centrifuge device changed after the red blood cells were removed, it was necessary to re-weigh and trim before the second centrifugation. The operation is complicated, the operation difficulty is increased for centrifugal operators, and the labor cost is increased. (2) The device has the ball valve at container socle bottom device, though can control red blood cell removal and removal speed through the ball valve, because the existence of ball valve, high-speed centrifugation causes the ball valve switch to float or damage easily in the centrifugation process to cause centrifugation failure. (3) The ball valve in the device is a protruding component, and the centrifugal groove of the centrifugal machine is circular, and the protruding component is easy to cause the unstable placement of the device in the centrifugal process, thereby causing the centrifugal failure or component damage.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a platelet-rich plasma centrifuge device to solve the above-mentioned problems of the prior art. The utility model adopts the following technical scheme:
a platelet-rich plasma centrifugal device comprises a container tube, wherein the lower part of the container tube is a first conical tube with a large upper part and a small lower part, and the bottom of the first conical tube is provided with a liquid outlet tube; a cylindrical blocking rod matched with the liquid outlet pipe is arranged in the container pipe, and the blocking rod is used for communicating and blocking the liquid outlet pipe through up-and-down movement; the centrifugal device further comprises a red blood cell container, the upper portion of the red blood cell container is a second conical pipe which is small in upper portion and large in lower portion, a liquid receiving pipe is arranged at the top of the second conical pipe, an internal thread is arranged on the inner side wall of the liquid receiving pipe, and an external thread matched with the liquid receiving pipe in use is arranged on the outer side wall of the liquid outlet.
Furthermore, the top of the container pipe is communicated with a lifting port, an external thread is arranged on the outer side wall of the lifting port, the top of the blocking rod is fixedly connected with a rotating cover in threaded connection with the lifting port, and the blocking rod moves downwards by rotating the rotating cover.
Further, shelves pole upper portion is equipped with spacing portion, and the shelves pole is located and is equipped with the pressure spring between container tube roof and the spacing portion by the cover, container tube top intercommunication has the enclosing cover, and sliding connection has the depression bar in the enclosing cover, and the depression bar bottom is first inclined plane cusp, and the lateral wall of depression bar is equipped with the arch of vertical equidistance distribution, is equipped with the locking piece in the enclosing cover, and the locking piece passes through the spring and rotates the crimping with shelves pole top, and the locking piece is equipped with the vertical lug of evenly arranging of circumference, and the lug top is the inclined plane to use with the first inclined plane cusp cooperation of depression bar bottom, the enclosing cover inner wall is equipped with the second inclined plane cusp that uses with the lug inclined plane cooperation.
Furthermore, the top of the container pipe is provided with a blood injection port and an air hole, the blood injection port is provided with a sealing cover, and the bottom of the air hole is provided with a filter element for preventing impurities from entering the container pipe.
Furthermore, the outer wall of the container pipe is provided with a graduated scale.
The utility model has the advantages as follows:
1. the utility model discloses set up the drain pipe in the container pipe lower part to through shelves pole lift control erythrocyte descend to can with the red blood cell container of container pipe separation, can separate the red blood cell of bottom completely, mix together with PRP with avoiding broken red blood cell piece, influence the purity of the PRP who draws, and then avoid the enzyme of red blood cell piece release to arouse the skin bruise green at patient treatment position, pain, a series of inflammatory reaction of red swelling, avoid influencing patient's treatment.
2. This device simple structure, and through set up the drain pipe in the container socle bottom to set up liquid receiving pipe and erythrocyte container pipe in the drain pipe lower part, realize that the weight in twice centrifugation process is unanimous, need not to carry out 1 time counter weight again before centrifugation of second time, easy operation is convenient, and can set up the scale on the container socle outer wall, through the scale, can accurately realize that the erythrocyte gets rid of.
3. The utility model discloses a rotate rotatory lid, realize the lift of cylindric shelves pole to realize the switching of drain pipe, guaranteed that whole centrifugal device is in the symmetric state all the time in centrifugal process, improved the stability and the validity of device in centrifugal process.
4. The utility model discloses a depression bar, locking piece, inclined plane cusp and spout realize pushing down of shelves pole and go up and down, can accomplish the opening and closing operation of drain pipe fast.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a perspective view of the locking member of FIG. 2;
FIG. 4 is a schematic perspective view of the compression bar of FIG. 2;
fig. 5 is a schematic sectional view of the outer cap of fig. 2.
Shown in the figure: 1-container tube, 2-blocking rod, 3-rotary cover, 4-lifting port, 5-air inlet, 6-filter element, 7-blood injection port, 8-sealing cover, 9-first conical tube, 10-liquid outlet tube, 11-erythrocyte container, 1101-liquid receiving tube, 1102-second conical tube, 12-outer cover, 1201-sliding groove, 1202-second inclined plane tooth, 13-pressure rod, 1301-first inclined plane tooth, 1302-lug, 14-locking piece, 1402-lug inclined plane tooth, 15-limiting part and 16-pressure spring.
Detailed Description
Example 1
As shown in fig. 1, a platelet-rich plasma centrifuge comprises a container tube 1 and a red blood cell container 11, wherein the lower part of the container tube 1 is a first tapered tube 9 with a large top and a small bottom, a liquid outlet tube 10 is arranged at the bottom of the first tapered tube 9, the upper part of the red blood cell container 11 is a second tapered tube 1102 with a large top and a small bottom, a liquid receiving tube 1101 is arranged at the top of the second tapered tube 1102, an internal thread is arranged on the inner side wall of the liquid receiving tube 1101, and an external thread matched with the liquid receiving tube 1101 is arranged on the outer side wall.
The top of container pipe 1 communicates with lifting port 4, the lateral wall of lifting port 4 is equipped with the external screw thread, be equipped with in the container pipe 1 with the cylindric shelves pole 2 that drain pipe 10 was equipped with the use, 2 top fixedly connected with of shelves pole and 4 threaded connection's of lifting port rotatory lid 3, shelves pole 2 is through rotating rotatory lid 3 upper and lower removal, realizes intercommunication and shutoff to drain pipe 10.
The top of container pipe 1 has been seted up and has been annotated blood mouth 7 and inlet port 5, and it is equipped with sealed lid 8 to annotate blood mouth 7, and 5 bottoms in inlet port are equipped with the filter core 6 that prevents impurity entering container pipe, and the outer wall of container pipe 1 is equipped with the scale.
The operation process of this embodiment is as follows:
(1) firstly, the erythrocyte container 1 is connected with the liquid outlet pipe 10, the rotary cover 3 is rotated to enable the blocking rod 2 to move downwards to block the liquid outlet pipe 10, the sealing cover 8 is opened, after the venous whole blood is injected into the container pipe 1 through the blood injection port 7, the sealing cover 8 is covered, the device is placed into an external centrifuge, the centrifugal rotating speed of the centrifuge is adjusted, and the first centrifugation is completed.
(2) After the first centrifugation, the venous whole blood can be separated into human plasma and a PRP (containing impurities) layer from top to bottom in the container tube 1, a layer of erythrocyte solution is arranged, and erythrocytes are arranged at the bottom, then the baffle rod 2 moves upwards by rotating the rotary cover 3 to enable the first conical tube 9 to be communicated with the liquid outlet tube 10, and after the erythrocyte solution completely flows into the erythrocyte container 11, the rotary cover 3 is rotated to enable the baffle rod 2 to move downwards to block the liquid outlet tube 10.
(3) Put the device into the centrifuge again, adjust the centrifugal rotational speed of centrifuge, accomplish the centrifugation of second time, after the centrifugation of second time, can separate into human plasma and two-layer solution of PRP from last to down in the container pipe 1, separate erythrocyte container 11 from drain pipe 10, will be connected to drain pipe 10 with the external internal thread needle tubing that drain pipe 10 screw-thread fit used, promote through the needle tubing piston, extract the PRP that is in the lower floor.
Example 2
Fig. 2 shows a platelet-rich plasma centrifugation device, which comprises a container tube 1 and a red blood cell container 11, wherein the lower part of the container tube 1 is a first tapered tube 9 with a large top and a small bottom, a liquid outlet tube 10 is arranged at the bottom of the first tapered tube 9, the upper part of the red blood cell container 11 is a second tapered tube 1102 with a large top and a small bottom, a liquid receiving tube 1101 is arranged at the top of the second tapered tube 1102, an internal thread is arranged on the inner side wall of the liquid receiving tube 1101, and an external thread matched with the liquid receiving tube 1101 is arranged on the outer side.
The upper part of the baffle rod 2 is provided with a limiting part 15, a pressure spring 16 is sleeved between the top wall of the container pipe 1 and the limiting part 15 of the baffle rod 2, the top of the container pipe 1 is communicated with an outer cover 12, a pressure rod 13 is connected in the outer cover 12 in a sliding way, the bottom of the pressure rod 13 is in a first inclined plane tooth shape 1301, the side wall of the pressure rod 13 is provided with a protrusion 1302 which is vertically distributed at equal intervals, a locking piece 14 is arranged in the outer cover 12, the locking piece 14 is rotationally pressed and connected with the top of the gear lever 2 through a pressure spring 16, the locking piece 14 is provided with lugs 1401 which are vertically and uniformly arranged in the circumferential direction, the top of the lugs 1401 is in the shape of a lug inclined plane tooth 1402, and is matched with the first inclined plane tooth shape 1301 at the bottom of the pressure lever 13, the inner wall of the outer cover 12 is provided with a second inclined plane tooth shape 1202 matched with the lug inclined plane tooth shape 1402 of the locking piece 14 and a sliding groove 1201 matched with the lug 1302 and the lug 1401 in a sliding way, the stop lever 2 moves up and down by pressing the pressure lever 13, and the first tapered tube 9 and the liquid outlet tube 10 are communicated and blocked.
The top of container pipe 1 has been seted up and has been annotated blood mouth 7 and inlet port 5, and it is equipped with sealed lid 8 to annotate blood mouth 7, and 5 bottoms in inlet port are equipped with the filter core 6 that prevents impurity entering container pipe 1, and the outer wall of container pipe 1 is equipped with the scale.
The operating principle that the press of the press rod realizes the up-and-down movement of the gear lever in the embodiment is as follows:
the working principle of the push-type pen is similar to that of a push-type pen, the pressure rod 13 slides up and down in the sliding groove 1201 in the inner wall of the outer cover 12 through the protrusion 1302, the pressure spring 16 always provides upward thrust for the stop lever 2, and the stop lever 2 transmits the thrust to the locking piece 14. When the external force is eliminated, the locking piece 14 moves upwards through the thrust of the pressure spring 16, the tooth shape 1402 of the inclined plane of the convex block and the tooth shape 1202 of the second inclined plane slide and rotate in a matched manner and are clamped, and the stop rod 2 blocks the liquid outlet pipe 10 at the moment. When the pressing rod 13 is pressed again, the pressing rod 13 pushes the locking piece 14 to move downwards together and move out of the second inclined plane tooth 1202, the first inclined plane tooth 1301 of the pressing rod 13 moves downwards to slide and rotate with the lug inclined plane tooth 1402 of the locking piece 14 and be clamped, when external force is eliminated, when the locking piece 14 moves upwards through the pushing force of the pressing spring 16, the lug inclined plane tooth 1402 and the second inclined plane tooth 1202 slide and rotate and then slide into the sliding groove 1201, at the moment, the stop rod 2 moves out of the liquid outlet pipe 10, and the first taper pipe 9 is communicated with the liquid outlet pipe 10.
Claims (5)
1. The platelet-rich plasma centrifugal device is characterized by comprising a container tube, wherein the lower part of the container tube is a first conical tube with a large upper part and a small lower part, and the bottom of the first conical tube is provided with a liquid outlet tube; a cylindrical blocking rod matched with the liquid outlet pipe is arranged in the container pipe, and the blocking rod is used for communicating and blocking the liquid outlet pipe through up-and-down movement; the centrifugal device further comprises a red blood cell container, the upper portion of the red blood cell container is a second conical pipe which is small in upper portion and large in lower portion, a liquid receiving pipe is arranged at the top of the second conical pipe, an internal thread is arranged on the inner side wall of the liquid receiving pipe, and an external thread matched with the liquid receiving pipe in use is arranged on the outer side wall of the liquid outlet.
2. The platelet-rich plasma centrifugation device according to claim 1, wherein the top of the container tube is communicated with a lifting port, an external thread is arranged on an outer side wall of the lifting port, a rotary cover in threaded connection with the lifting port is fixedly connected to the top of the stop rod, and the stop rod moves downwards by rotating the rotary cover.
3. The platelet-rich plasma centrifuge apparatus according to claim 1, wherein the stop lever has a limiting portion at an upper portion thereof, a pressure spring is sleeved on the stop lever between the top wall of the container tube and the limiting portion, the top of the container tube is communicated with an outer cover, a pressure lever is slidably connected in the outer cover, a bottom of the pressure lever is in a shape of a first inclined plane, a sidewall of the pressure lever is provided with protrusions distributed vertically and equidistantly, a locking member is disposed in the outer cover and is rotationally pressed and connected with the top of the stop lever through the spring, the locking member is provided with protrusions vertically and uniformly arranged in a circumferential direction, a top of the protrusion is an inclined plane and is engaged with the teeth of the first inclined plane at the bottom of the pressure lever, and an inner wall of the outer cover is provided with a second inclined plane tooth for engaging with the.
4. The platelet-rich plasma centrifuge apparatus according to any one of claims 1 to 3, wherein the top of the container tube is provided with a blood injection port and an air hole, the blood injection port is provided with a sealing cover, and the bottom of the air hole is provided with a filter element for preventing impurities from entering the container tube.
5. A platelet rich plasma centrifuge device according to any one of claims 1 to 3 wherein the outer wall of the container tube is provided with a graduated scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921595291.8U CN210935419U (en) | 2019-09-24 | 2019-09-24 | Platelet-rich plasma centrifugal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921595291.8U CN210935419U (en) | 2019-09-24 | 2019-09-24 | Platelet-rich plasma centrifugal device |
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| CN210935419U true CN210935419U (en) | 2020-07-07 |
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| CN201921595291.8U Active CN210935419U (en) | 2019-09-24 | 2019-09-24 | Platelet-rich plasma centrifugal device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100871A (en) * | 2021-11-21 | 2022-03-01 | 黄红 | Blood separating instrument |
| CN114870436A (en) * | 2022-06-21 | 2022-08-09 | 浙江保尔曼生物科技有限公司 | Platelet-rich plasma preparation device and preparation method thereof |
| CN115445683A (en) * | 2022-09-24 | 2022-12-09 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP test tube |
-
2019
- 2019-09-24 CN CN201921595291.8U patent/CN210935419U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100871A (en) * | 2021-11-21 | 2022-03-01 | 黄红 | Blood separating instrument |
| CN114870436A (en) * | 2022-06-21 | 2022-08-09 | 浙江保尔曼生物科技有限公司 | Platelet-rich plasma preparation device and preparation method thereof |
| CN115445683A (en) * | 2022-09-24 | 2022-12-09 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP test tube |
| CN115445683B (en) * | 2022-09-24 | 2023-08-22 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP test tube |
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