CN209885297U - Platelet-rich plasma separation and extraction kit - Google Patents
Platelet-rich plasma separation and extraction kit Download PDFInfo
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- CN209885297U CN209885297U CN201920333426.7U CN201920333426U CN209885297U CN 209885297 U CN209885297 U CN 209885297U CN 201920333426 U CN201920333426 U CN 201920333426U CN 209885297 U CN209885297 U CN 209885297U
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Abstract
The utility model aims at providing an easy operation, enable plasma and external environment with the rich platelet plasma separation extraction suit of pollution with the contact. The utility model provides a suit is drawed in rich platelet plasma separation, includes cylinder, abandonment blood storage tube, PRP storage tube, be equipped with the push rod in the cylinder, be equipped with a spacing arch on the push rod, it is protruding to be equipped with two or three dogs on the cylinder inner wall, and the dog is protruding to be set up along cylinder axial interval, and the dog is protruding to be set up along cylinder inner wall circumference interval, abandonment blood storage tube, PRP storage tube all include the body, the body rear end all is formed with the cylinder front end and is had the helicitic texture of mutually supporting, be equipped with hollow honeycomb duct in the body, honeycomb duct axial both ends opening, be equipped with the gasket on the honeycomb duct in order to separate the body for two cavities, be equipped with the switching piece that is used for making the cavity passageway block or.
Description
Technical Field
The utility model relates to a platelet-rich plasma separation and extraction suit.
Background
Platelet-rich plasma (PRP) is a Platelet concentrate obtained by centrifuging autologous whole blood, contains a large amount of growth factors and proteins, has the advantages of accurate self-localization to the damaged part and inflammation control, can promote cell and tissue regeneration from different aspects, accelerates the repair of damaged tissues, and is widely applied to the fields of clinic, such as the repair of bone joints, the repair of large-area burned skin, medical and aesthetic plastic surgery, and the like.
In the existing preparation method of PRP, components in blood are separated by a centrifuge, then the blood is precipitated, platelet rich plasma is arranged on the upper layer of the blood, and the separation of the platelet rich plasma mainly comprises a manual separation method and a full-automatic platelet separator separation method. The manual separation method is relatively original and complex in operation, and pollution of external environments such as air and the like can be inevitably caused in the operation process, so that certain influence is caused on the purity of PRP. The separation method of the full-automatic platelet separator has expensive equipment and certain difficulty in practical application.
Disclosure of Invention
The utility model aims at providing an easy operation, enable plasma and external environment with the rich platelet plasma separation extraction suit of pollution with the contact.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a platelet-rich plasma separation and extraction kit comprises a needle cylinder, a waste blood storage tube and a PRP storage tube, wherein a push rod is arranged in the needle cylinder, a limit bulge is arranged on the push rod, two or three stop block bulges are arranged on the inner wall of the needle cylinder, the stop block bulges are arranged at intervals along the axial direction of the needle cylinder, the stop block bulges are arranged at intervals along the circumferential direction of the inner wall of the needle cylinder, the waste blood storage tube and the PRP storage tube respectively comprise a tube body, one end of the tube body is opened and the other end of the tube body is closed, the rear end of the tube body and the front end of the needle cylinder form a thread structure which is mutually matched, a hollow flow guide tube is arranged in the tube body, the two axial ends of the flow guide tube are opened and are coaxially arranged with the tube body, a sealing sheet is arranged on the flow guide tube of the, the rear end of the flow guide pipe is communicated with the outlet at the front end of the needle cylinder.
The needle is taken down to connect the needle cylinder with the waste blood storage tube, and the outlet of the needle cylinder is communicated with the guide tube of the waste blood storage tube, and the hollow channel of the guide tube is blocked by the opening and closing part; then, the needle cylinder and the waste blood storage tube are placed in a centrifuge, blood in the needle cylinder is separated through the centrifuge, after the centrifuge works, the needle cylinder and the waste blood storage tube are taken out of the centrifuge, the hollow channel of the guide tube is opened through the opening and closing piece, waste blood is discharged into the waste blood storage tube through the push rod, and the hollow channel of the guide tube is closed through the opening and closing piece again; the separation of the syringe and the waste blood storage tube and the connection of the syringe and the PRP storage tube are sequentially carried out, and the platelet-rich plasma is pushed into the PRP storage tube by pressing the push rod so as to obtain clean and pollution-free platelet-rich plasma.
Wherein, protruding cooperation through spacing arch and dog as required to realize the location of push rod axial displacement, with the restriction push rod total amount of drawing blood or the blood that the push rod was released every time how much.
Preferably, the cylinder wall of the syringe is provided with a positioning hole which penetrates through the syringe from inside to outside, the stopper protrusion comprises a stopper body and a fixing head, the stopper body is arranged in a fan shape along the circumferential cross section of the syringe, the outer edge of the stopper body is arc-shaped, when the stopper protrusion is fixed with the syringe, the outer edge of the stopper body is attached to the inner wall of the syringe, and the fixing head is tightly matched in the positioning hole. The arrangement is convenient for the production of the needle cylinder. When the needle cylinder is produced, the push rod is matched with the needle cylinder, and then the stop block protrusion is installed. Wherein, the outer edge of the block body is arc-shaped, so that the outer edge of the block body can be attached to the inner wall of the syringe, and the block body is prevented from inclining.
Preferably, both ends of the stop block protrusion along the circumferential clockwise rotation direction and the counterclockwise rotation direction of the syringe extend to the rear side of the syringe to form a limiting part, and the two limiting parts form an open structure which is opened towards the rear end of the syringe. The arrangement prevents the limiting protrusion from rotating to separate from the stop block protrusion.
Preferably, the guide pipe is fixed in the tube body through a fixed block, the opening and closing part is arranged on the fixed block, the guide pipe of the waste blood storage tube is composed of an upper guide pipe and a lower guide pipe, the opening and closing part comprises a rotating part, one end of the rotating part is rotatably fixed on the fixed block, an accommodating groove with an upward opening is formed in the rotating part, a pressing part is arranged in the accommodating groove, one end of the pressing part is hinged with the fixed block, a vertically arranged spring is connected between the other end of the pressing part and the other end of the rotating part, the pressing part and the rotating part are both provided with corresponding through holes, the through holes are communicated with the upper end of the hose, the lower end of the hose is communicated with the lower guide pipe, an upward opening blind hole is formed in the pressing part, when the rotating part rotates to one side and the spring, when the rotating piece rotates towards the other side and the spring is compressed, the blind hole is coaxial with the upper flow guide pipe, and the pressing piece is positioned on the lower side of the upper flow guide pipe.
The upper guide pipe is aligned to the through hole or the blind hole by rotating the opening and closing part, when the opening and closing part rotates to align the upper guide pipe to the blind hole, the pressing part of the opening and closing part is pressed to enable the pressing part to be positioned below the upper guide pipe, then the pressing part is released to enable the spring to reset, and the pressing part rises under the action of the spring to enable the lower end of the upper guide pipe to be matched in the blind hole, so that the upper guide pipe is sealed; when the opening-closing part rotates to enable the upper guide pipe to be aligned with the through hole, the pressing part of the opening-closing part is pressed to enable the pressing part to be located below the upper guide pipe, then the pressing part is loosened to enable the spring to reset, the pressing part rises under the action of the spring to enable the lower end of the upper guide pipe to be matched in the through hole, and therefore the upper guide pipe is communicated with the lower guide pipe through the hose.
Preferably, elastic inner convex rings are arranged on the inner edges of the upper ends of the through holes and the blind holes. The elastic inner convex ring plays a role in sealing and tightly matching the upper flow guide pipe.
Preferably, the body comprises front tube body and back body, back body is both ends open-ended tubular structure, front tube body is one end closed one end open-ended tubular structure, be fixed with between front tube body and the back body the gasket, the gasket is the diaphragm, the gasket is formed with the through-hole that supplies the honeycomb duct to pass through, the gasket is including outer marginal part, deformation portion and inside edge portion from outside to inside, outer marginal part is pressed from both sides tightly and is fixed in between front tube body and the back body, inside edge portion and the outer wall of honeycomb duct are fixed.
Wherein, the sealing sheet can be selected from a rubber diaphragm or a latex diaphragm. The introduction of plasma pushes the deformed portion of the sealing sheet to deform and move upward. The sealing sheet is used for preventing the blood plasma from contacting with the outside air.
Preferably, the fixed block is provided with a ventilation hole penetrating through the front and the back. The deformation part of the sealing sheet can be pushed upwards more easily by the arrangement of the vent hole.
Preferably, the rear end of the tube body is in threaded fit with a sealing cover. The sealing cover is used for sealing the tube body so as to be convenient for preservation of the PRP storage tube and avoid spilling of blood plasma before the waste blood storage tube is used as medical waste treatment.
The utility model has the advantages of simple operation and no contact between the blood plasma and the external environment.
Drawings
FIG. 1 is a schematic structural view of a syringe according to the present invention;
FIG. 2 is a schematic view of a waste blood storage tube according to the present invention;
FIG. 3 is a schematic structural diagram of the PRP storage tube of the present invention;
fig. 4 is a schematic structural view of the needle cylinder and the waste blood storage tube of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
As shown in figures 1 to 3, the platelet rich plasma separating and extracting set of the utility model comprises a needle cylinder 1, a waste blood storage tube and a PRP storage tube, wherein a push rod 11 is arranged in the needle cylinder, a limit bulge 12 is arranged on the push rod 11, three stop bulges 2 are arranged on the inner wall of the needle cylinder 1, the stop bulges 2 are arranged along the axial direction of the needle cylinder 1 at intervals, the stop bulges 2 are arranged along the circumferential direction of the inner wall of the needle cylinder 1 at intervals, the waste blood storage tube and the PRP storage tube respectively comprise a tube body 3, one end of the tube body 3 is opened and closed, the rear end of the tube body 3 and the front end of the needle cylinder 1 form a thread structure which is mutually matched, a hollow flow guide tube 4 is arranged in the tube body 3, two axial ends of the flow guide tube 4 are opened and are coaxial with the tube body 3, a sealing sheet 5 is arranged on the flow guide tube 4 of, when the tube body 3 is fixed with the needle cylinder 1 by screw thread, the rear end of the draft tube 4 is fixed with and communicated with the outlet 13 at the front end of the needle cylinder 1 by screw thread.
The wall of the needle cylinder 1 is provided with an inner and outer through positioning hole, the stop block protrusion 2 comprises a stop block body 21 and a fixing head 22, the stop block body 21 is arranged in a fan shape along the circumferential cross section of the needle cylinder 1, the outer edge of the stop block body 21 is arc-shaped, when the stop block protrusion 2 is fixed with the needle cylinder 1, the outer edge of the stop block body 21 is attached to the inner wall of the needle cylinder 1, and the fixing head 22 is tightly matched in the positioning hole. The two ends of the stop block bulge 21 in the circumferential clockwise rotation direction and the counterclockwise rotation direction of the needle cylinder extend to the rear side of the needle cylinder to form a limiting part 23, and the two limiting parts 23 form an open structure which is opened towards the rear end of the needle cylinder.
The guide tube 4 is fixed in the tube body 3 through the fixed block 7, the opening and closing member 6 is arranged on the fixed block 7, the guide tube of the waste blood storage tube is composed of an upper guide tube 41 and a lower guide tube 42, the opening and closing member 6 comprises a rotating member 61, one end of the rotating member 61 is rotatably fixed on the fixed block 7, an accommodating groove 62 which is opened upwards is formed on the rotating member 61, a pressing member 63 is arranged in the accommodating groove 62, one end of the pressing member 63 is hinged with the fixed block 7, a spring 64 which is vertically arranged is connected between the other end of the pressing member 63 and the other end of the rotating member 61, the pressing member 63 and the rotating member 61 are respectively provided with a through hole which corresponds to each other, the through hole is communicated with the upper end of a hose 65, the lower end of the hose 65 is communicated with the lower guide tube 42, a blind hole 66 which is opened upwards is formed, when the rotating member 61 rotates to the other side and the spring 64 is compressed, the blind hole 66 is coaxial with the upper guide tube 41 and the pressing member 63 is located at the lower side of the upper guide tube 41. Wherein, the inner edges of the upper ends of the through holes and the blind holes 66 are provided with elastic inner convex rings 67.
The tube body 3 is composed of a front tube body 31 and a rear tube body 32, the rear tube body 32 is a tube-shaped structure with two open ends, the front tube body 31 is a cylindrical structure with one closed end and one open end, the sealing sheet 5 is fixed between the front tube body 31 and the rear tube body 32, the sealing sheet 5 is a membrane, the sealing sheet 5 is provided with a through hole for the draft tube 4 to pass through, the sealing sheet 5 comprises an outer edge part 51, a deformation part 52 and an inner edge part 53 from outside to inside, the outer edge part 51 is clamped and fixed between the front tube body 51 and the rear tube body 52, and the inner edge part 53 is fixed with the outer. Wherein, the outer edge of the sealing sheet is pressed, and the sealing sheet is pressed and deformed to realize the sealing between the front tube body 51 and the rear tube body 52;
wherein, the fixed block 7 is provided with a vent hole 71 which penetrates through in the front and back direction. Wherein, the rear end of the tube body 3 is matched with a seal cover 8 by screw thread; the PRP storage tube is also provided with a plug 81, and the plug is used for sealing the guide tube of the PRP storage tube.
Carry out the utility model discloses before the use of suit, adopt ethylene oxide to disinfect with cylinder, abandonment blood storage tube, PRP storage tube, closing cap.
Fix the syringe needle in the cylinder front end, choose puncture blood vessel to take a blood sample, the blood vessel should select the clear visible difficult gliding vein of elbow, if elbow median vein, cephalic vein, noble vein etc., will take a blood sample the position disinfection earlier during the blood sampling, then the pull push rod takes a blood sample, the volume of taking a blood sample is 20ml, the back of finishing taking a blood sample, spiral push rod so that push rod and first dog arch align (the dog that keeps away from the mouth most is protruding) with promoting the push rod and deriving unnecessary blood, and make the spacing arch of push rod contact with the dog arch, take off the syringe needle, body and cylinder screwed connection with abandonment blood storage tube. Wherein the blood to be drawn can be introduced into the tube body of the waste blood storage tube. Wherein before and after blood collection, anticoagulant is inhaled into the syringe to prevent blood from coagulating.
Placing the extracting set (combined needle cylinder and waste blood storage tube) in a centrifuge, starting the centrifuge, centrifuging for the first time, rotating the centrifuge at 215Xg for 10min, taking out the extracting set after centrifuging, aligning the extracting set with a spiral push rod to a second stop block bulge, rotating a rotating piece of the waste blood storage tube, pressing a pressing piece on the rotating piece to make a through hole of the rotating piece coaxial with an upper guide tube, then releasing the hand to reset a spring, resetting one end of the pressing piece to make the lower end of the upper guide tube enter the through hole to make the upper guide tube communicate with a lower guide tube through a hose, then pushing the push rod to make a limit bulge of the push rod abut against the second stop block bulge, thereby transferring the whole supernatant to a position below 3mm below the interface into a tank body of the waste blood storage tube, then rotating the rotating piece and pressing the pressing piece to make the upper guide tube coaxial with a blind hole, then the pressing piece is loosened, the spring resets and the lower end of the upper flow guide pipe enters the blind hole so as to realize the partition between the waste blood storage pipe and the needle cylinder, and then the extracting set is placed into the centrifuge again.
And starting the centrifuge, centrifuging for the second time, rotating the centrifuge at 863xg for 10min, taking out the extraction device after the centrifugation is finished, detaching the waste blood storage tube, connecting the PRP storage tube with the needle cylinder, then dropping the spiral push rod to enable the push rod to be aligned with the third stop block protrusion, pushing the push rod and enabling the limit protrusion on the push rod to be abutted against the third stop block protrusion, so that blood of 3/4 supernatant liquid is transferred into the PRP storage tube until the blood is below 3mm below the interface, and taking down the PRP storage tube to obtain the platelet-rich plasma. Wherein the remaining blood in the syringe is finally pushed into the waste blood storage tube.
Wherein, protruding through setting up a plurality of dogs to make advancing at every turn of push rod can both contact with a dog arch, in order to realize that plasma draws process numerical value accurate. The utility model discloses an abandonment blood storage tube structure can be the same with the PRP storage tube structure. Wherein, the utility model discloses the gasket is the diaphragm, the utility model discloses a diaphragm is conventional mechanical industry rubber diaphragm. The pipe body of the utility model comprises a front pipe body and a rear pipe body, fixing bulges can be formed on the front pipe body and the rear pipe body, and the fixing bulges are matched with threaded holes or through holes and locked by screws to realize the fixation of the front pipe body and the rear pipe body; the front tube body, the diaphragm and the rear tube body can be fixed through glue, and when the glue is solidified, the tube body is pressed axially to seal the diaphragm and the front tube body and the rear tube body. Wherein, set up the fixed block of different shapes as required to realize fixed of fixed block and last honeycomb duct and honeycomb duct down, can adopt tight fit or glue fixed between fixed block and the body, the fixed block can adopt harder rubber to make, in order to be with the fixed block tight fit in the ring channel through forming the ring channel on the body, the fixed block also can be moulded plastics with the back body an organic whole of body and obtain. Wherein, the rotating piece is hinged and fixed on the fixed block, or the fixed block is provided with
The utility model has the advantages of simple operation, and no pollution to the blood plasma. The utility model discloses it does not need full-automatic platelet separating centrifuge to draw the suit, only relies on the centrifuge in current laboratory just can realize the separation of platelet, the utility model discloses it enables the collection of platelet rich plasma more convenient and accurate to draw the suit.
Claims (9)
1. The platelet-rich plasma separating and extracting suit is characterized by comprising a needle cylinder, a waste blood storage tube and a PRP storage tube, wherein a push rod is arranged in the needle cylinder, a limiting bulge is arranged on the push rod, two or three stop block bulges are arranged on the inner wall of the needle cylinder, the stop block bulges are arranged at intervals along the axial direction of the needle cylinder, the stop block bulges are arranged at intervals along the circumferential direction of the inner wall of the needle cylinder, the waste blood storage tube and the PRP storage tube respectively comprise a tube body, one end of the tube body is opened and the other end of the tube body is closed, the rear end of the tube body and the front end of the needle cylinder form a mutually matched threaded structure, a hollow flow guide tube is arranged in the tube body, the two axial ends of the flow guide tube are opened and are coaxially arranged with the tube body, a sealing sheet is arranged on the, when the tube body is fixed with the needle cylinder by screw threads, the rear end of the flow guide tube is communicated with the outlet at the front end of the needle cylinder.
2. The platelet-rich plasma separating and extracting kit according to claim 1, wherein the barrel wall of the barrel is formed with a positioning hole penetrating therethrough, the stopper protrusion comprises a stopper body and a fixing head, the stopper body is disposed along the circumferential cross section of the barrel in a fan shape, the outer edge of the stopper body is in an arc shape, when the stopper protrusion is fixed to the barrel, the outer edge of the stopper body is attached to the inner wall of the barrel, and the fixing head is tightly fitted in the positioning hole.
3. The platelet-rich plasma separating and extracting kit according to claim 1, wherein the two ends of the protrusion of the stopper extending in the clockwise direction and the counterclockwise direction extend to the rear side of the syringe, and the two ends of the protrusion of the stopper form an open structure opening toward the rear end of the syringe.
4. The platelet-rich plasma separating and extracting kit according to claim 1, wherein the flow guide tube is fixed in the tube body by a fixing block, the opening and closing member is disposed on the fixing block, the flow guide tube of the waste blood storage tube is composed of an upper flow guide tube and a lower flow guide tube, the opening and closing member includes a rotating member, one end of the rotating member is rotatably fixed on the fixing block, a receiving groove opened upward is formed on the rotating member, a pressing member is disposed in the receiving groove, one end of the pressing member is hinged to the fixing block, a vertically disposed spring is connected between the other end of the pressing member and the other end of the rotating member, the pressing member and the rotating member are formed with through holes corresponding to each other, the through holes are communicated with the upper end of the hose, the lower end of the hose is communicated with the lower flow guide tube, the pressing member is formed, the through hole is coaxial with the upper flow guide pipe and the pressing piece is located on the lower side of the upper flow guide pipe, when the rotating piece rotates towards the other side and the spring compresses, the blind hole is coaxial with the upper flow guide pipe and the pressing piece is located on the lower side of the upper flow guide pipe.
5. The platelet-rich plasma separating and extracting kit according to claim 4, wherein the through hole and the inner edge of the upper end of the blind hole are provided with elastic inner convex rings.
6. The platelet-rich plasma separation and extraction kit according to claim 1, wherein the tube body is composed of a front tube body and a rear tube body, the rear tube body is a tubular structure with two open ends, the front tube body is a cylindrical structure with one closed end and one open end, the sealing sheet is fixed between the front tube body and the rear tube body, the sealing sheet is a membrane sheet, the sealing sheet is provided with a through hole for the flow guide tube to pass through, the sealing sheet comprises an outer edge part, a deformation part and an inner edge part from outside to inside, the outer edge part is clamped and fixed between the front tube body and the rear tube body, and the inner edge part is fixed with the outer wall of the flow guide tube.
7. The platelet-rich plasma separating and extracting kit according to claim 4, wherein the fixing block is provided with a front vent hole and a rear vent hole.
8. The platelet-rich plasma separating and extracting kit according to claim 1, wherein the outlet of the syringe and the end of the flow guide tube are formed with screw structures that are engaged with each other.
9. The platelet rich plasma separating and extracting kit according to claim 1, wherein the rear end of the tube body is screw-fitted with a cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333426.7U CN209885297U (en) | 2019-03-16 | 2019-03-16 | Platelet-rich plasma separation and extraction kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333426.7U CN209885297U (en) | 2019-03-16 | 2019-03-16 | Platelet-rich plasma separation and extraction kit |
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| Publication Number | Publication Date |
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| CN209885297U true CN209885297U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920333426.7U Active CN209885297U (en) | 2019-03-16 | 2019-03-16 | Platelet-rich plasma separation and extraction kit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974475A (en) * | 2020-08-20 | 2020-11-24 | 绵阳晶凯圣生物科技有限公司 | Blood component separator |
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2019
- 2019-03-16 CN CN201920333426.7U patent/CN209885297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974475A (en) * | 2020-08-20 | 2020-11-24 | 绵阳晶凯圣生物科技有限公司 | Blood component separator |
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