CN106215993A - A kind of aseptic medical centrifugal and for preparing the preparation method of platelet rich plasma - Google Patents
A kind of aseptic medical centrifugal and for preparing the preparation method of platelet rich plasma Download PDFInfo
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- CN106215993A CN106215993A CN201610597174.XA CN201610597174A CN106215993A CN 106215993 A CN106215993 A CN 106215993A CN 201610597174 A CN201610597174 A CN 201610597174A CN 106215993 A CN106215993 A CN 106215993A
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- waste liquid
- centrifugal
- discharge pipe
- liquid discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5082—Test tubes per se
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5082—Test tubes per se
- B01L3/50825—Closing or opening means, corks, bungs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides a kind of aseptic medical centrifugal, including centrifugal body, be located at the lid at described centrifugal tube mouth, the liquid of being located at described centrifugal tubular body enters/waste liquid discharge pipe and suction pipe；The port lid that described lid is provided with perforate and seals it or open, described liquid enters/and one end of waste liquid discharge pipe contacts with described perforate connection, the other end or close to the bottom of described centrifugal body, one end of described suction pipe connects with described perforate, the other end enters the/bottom of waste liquid discharge pipe close to bottom and the most described liquid of described centrifugal body, described perforate lower end and be arranged over selecting described perforate to enter the/selection knob that is connected of waste liquid discharge pipe or described suction pipe with described liquid in described lid.Present invention also offers the preparation method of a kind of platelet rich plasma.The operation of described aseptic medical centrifugal is more convenient, preparation kind is more, range is wider, versatility is higher, aseptic is higher.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of aseptic medical centrifugal and for preparing rich platelet
The preparation method of blood plasma.
Background technology
Platelet rich plasma (PRP) is isolatable from blood, containing transforming growth factor-β (transforming growth
Factor, TGF), platelet-derived growth factor (platelet-derived growth factor, PDGF), para-insulin
Somatomedin (insulin-like growth factor, IGF) and VEGF (vascular
Endothelial growth factor, VEGF) etc. multiple somatomedin, in addition, possibly together with leukocyte and fiber egg
In vain.Multiple studies have shown that, PRP is significant to soft tissue repair, it is possible to promotes regenerating bone or cartilage, slows down cartilage degeneration simultaneously.
Therefore, PRP has become the hot issue in current repair of cartilage field.
It is true that for the different tissues in human body, they are the most different for the requirement of the PRP used by reparation, such as rich white
Cell PRP is suitable for and most tissue, is but not suitable for using at intraarticular.Therefore, one can need to carry out according to difference
The equipment that strictly prepared by PRP is this area in the urgent need to.And current, pass through ten remainders PRP of U.S. FDA certification
Preparation equipment, except product prepare single, use dumb, extract the defects such as PRP mode is limited in addition to, there is also other various respectively
The deficiency of sample, number of times is loaded down with trivial details, platelet collection rate is low including expensive, centrifugal.And the similar product sold on domestic market
Product, there is also various limitation, if product design is that product is prepared single only in the product of wound；And owing to design is asked
Topic, blood is drawn and injects all by same suction pipe, thus remaining the impurity such as too much erythrocyte, thus affecting PRP system
Standby stability.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of aseptic medical centrifugal and for preparing rich blood
The preparation method of platelet-poor plasma, the operation of described aseptic medical centrifugal is more convenient, preparation kind is more, range more
Extensively, versatility is higher, aseptic is higher.
Subject of the present invention is a kind of aseptic medical centrifugal, including centrifugal body, is located at described centrifugal tube mouth
Lid, the liquid of being located at described centrifugal tubular body enter/waste liquid discharge pipe and suction pipe；Described lid is provided with perforate and right
It carries out the port lid sealing or opening, described liquid enters/one end of waste liquid discharge pipe contact with described perforate connection, the other end or
Close to the bottom of described centrifugal body, one end of described suction pipe connects with described perforate, the other end is close to described centrifugal body
Bottom and the most described liquid enter the/bottom of waste liquid discharge pipe, described perforate lower end and be arranged in described lid can
To select described perforate to enter the/selection knob that is connected of waste liquid discharge pipe or described suction pipe with described liquid.
Further, the center of described lid is located in described perforate, and so, described suction pipe can at utmost be drawn
The platelet part formed after Li Xin.
Described perforate is divided into inside and outside two-layer, is provided with screw thread or embedded ring, described screw thread or embedded ring with described outside outer layer
Inside thread or the innermost insert of port lid match, and form screw thread or embed connection, and internal layer is syringe interface, with normal injection
Device or threaded syringe are formed and embed or threaded；Further, 0.7-2.5mm is left between described internal layer and described outer layer
Space, described space is coated with ventilative water shutoff filter membrane；Exist between described internal layer and described outer layer and be rigidly connected.The most permissible
Make port lid compact siro spinning technology, owing to assembly stress each in centrifugal process is huge, so can prevent from occurring in centrifugal process leakage or
Rock；It addition, permeable portion and liquid access portion are placed in same perforate, and cover with same port lid, can realize being centrifuged
During centrifuge tube completely enclose, it is ensured that centrifugal process internal aseptic.
Further, described liquid enters/and the caliber of waste liquid discharge pipe and described suction pipe is 0.3-1.2mm, and bottom is in tiltedly
Face.Less caliber ensure that erythrocytic residual quantity is less, more preferable to fluid level controlling extent when operator draw.
Further, the bottom of described suction pipe enters/waste liquid discharge pipe bottom 0.5-1mm, described suction higher than described liquid
Take pipe enter with described liquid/waste liquid discharge pipe is symmetrically positioned in axis both sides, mutually adjoins, can be one-body molded, middle by same material
Material is rigidly connected.So can ensure that when drawing platelet part by suction pipe, red cell fraction will not be touched, as far as possible
Reduce erythrocyte interference, it is ensured that draw precision and the purity of PRP.Additionally, suction pipe will not pass through before final absorption PRP
Any liquid, therefore, does not have other component residue.
Further, the intensive prominent vertical line or longitudinally projecting of increase spin friction it is provided with outside described selection knob
Bar；Have fixed projection inside it, be allowed to only be securable to two positions, said two position make described port lid respectively with described liquid
Body enters/waste liquid discharge pipe and described suction pipe UNICOM, and described fixed projection both sides are provided with and prevent from rotating excessive fixed plate, with limit
Make its rotating range.
Further, the bottom of described centrifugal body is symmetrical reverse taper.
Further, described centrifuge tube system becomes the utensil of the specifications at different levels in the range of 5-100mL, and with master scale
Line.
Further, described centrifugal body and described lid compact siro spinning technology, it is impossible to separate.So can ensure that and grasp in reality
In work, do not have lid and depart from or open by mistake, thus the problem causing external environment condition contaminated blood.
Subject of the present invention also includes the preparation method of a kind of platelet rich plasma, by as described in above-mentioned any one
Aseptic medical centrifugal is prepared.
Further, described liquid enters/and waste liquid discharge pipe is positioned at centrifuge tube middle position, vertically, extends centrifuge tube bottom；
Described suction pipe is close to described liquid and enters/waste liquid discharge pipe, and the most described liquid enters/waste liquid discharge pipe；Described perforate one
End can be with syringe close communication, internal diameter parcel syringe, and by seamless for syringe insertion, one end and described liquid enter/waste liquid row
Go out pipe or suction pipe connection, the selection knob below use, selection be enter with liquid/waste liquid discharge pipe or with described suction pipe
UNICOM, available above external spiral cover is closed
In one embodiment, described preparation method uses the rich leukocyte PRP of secondary centrifuging method preparation, and concrete steps include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the erythrocyte of bottom
Layer；
Step 2: recentrifuge, inserts perforate by syringe, and regulation selects knob to enter/waste liquid discharge pipe to port lid and described liquid
UNICOM, from described liquid enter/waste liquid discharge pipe absorb the residue red blood cell layer of bottom；
Step 3: after absorption, regulation selection knob is to port lid and suction pipe UNICOM, from described suction pipe in draw blood
Component below interbed (rich in leukocyte, platelet) and plasma layer, obtains rich leukocyte PRP.
In one embodiment, described preparation method uses a centrifuging to prepare lean leukocyte PRP, concrete steps bag
Include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the red blood cell layer of bottom
With blood intermediate layer (rich in leukocyte)；
Step 2: after absorption, regulation selects knob to port lid and suction pipe UNICOM, draws plasma layer from described suction pipe
Lower section component, obtains lean leukocyte PRP.
In one embodiment, described preparation method uses secondary centrifuging method to prepare lean leukocyte PRP, concrete steps bag
Include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the red blood cell layer of bottom
With blood intermediate layer (rich in leukocyte)；
Step 2: recentrifuge, inserts perforate by syringe, and regulation selects knob to enter/waste liquid discharge pipe to port lid and described liquid
UNICOM, from described liquid enter/waste liquid discharge pipe absorb the residue red blood cell layer of bottom；
Step 3: after absorption, regulation selection knob is to port lid and suction pipe UNICOM, from described suction pipe in draw blood
Component below interbed (rich in platelet) and plasma layer, obtains lean leukocyte PRP.
Compared with prior art, the invention has the beneficial effects as follows: 1, to be suitable for preparing lean leukocyte PRP white with richness for the present invention
The multiple blood plasma such as cell PRP are centrifuged goods；2, the present invention is by preparing multiple PRP, and the indication of its PRP is more extensive, is suitable for
In multiple diseases such as cartilage defect, osteoarthritis, wound surface, ligament injury, tendon injuries；3, the present invention use reasonably sealing,
Aseptic design, use process is omnidistance without foreign substance is inserted the process of centrifuge tube, and the aseptic preparing blood product is more preferable；4、
The present invention uses twin flue to design, and final PRP pipeline of drawing is described suction pipe, and this pipeline whole process no liquid is passed through, therefore can be
Big degree is stopped erythrocyte and is entered final PRP, reduces interference, improves make efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of aseptic medical centrifugal of the present invention；
Fig. 2 is the top view of aperture segment of the present invention.
Detailed description of the invention
According to Fig. 1 and Fig. 2, the invention provides a kind of aseptic medical centrifugal, including centrifugal body 1, be located at institute
The liquid state the lid 2 at centrifugal tube mouth, being located at described centrifugal tubular body enters/waste liquid discharge pipe 3 and suction pipe 4；Institute
State lid 2 be provided with perforate 5 and it sealed or open port lid 6, described liquid enters/one end of waste liquid discharge pipe 3 with
Described perforate 5 connects, other end contact or close to the bottom of described centrifugal body 1, one end of described suction pipe 4 and described perforate
5 connections, the other end enter the/bottom of waste liquid discharge pipe 3 close to bottom and the most described liquid of described centrifugal body 1, described
Perforate 5 lower end and be arranged over selecting described perforate 5 and described liquid to enter/waste liquid discharge pipe 3 or described in described lid 2
The selection knob 7 that suction pipe 4 connects.
Further, the center of described lid 2 is located in described perforate 5, and so, described suction pipe can at utmost be inhaled
Take the platelet part formed after being centrifuged.
Described perforate 5 is divided into inside and outside two-layer, is provided with screw thread or embedded ring, described screw thread or embedded ring and institute outside outer layer 51
Inside thread or the innermost insert of stating port lid 6 match, and form screw thread or embed connection, and internal layer 52 is syringe interface, with general
Logical syringe or threaded syringe are formed and embed or threaded；Further, stay between described internal layer 52 and described outer layer 51
Having the space of 0.7-2.5mm, described space is coated with ventilative water shutoff filter membrane 54；Rigidity is there is between described internal layer and described outer layer
Connect 53.So can make port lid compact siro spinning technology, owing to assembly stress each in centrifugal process is huge, so can prevent from being centrifuged
Journey occurs leakage or rocks；It addition, permeable portion and liquid access portion are placed in same perforate, and cover with same port lid
Lid, can realize centrifuge tube in centrifugal process and completely enclose, it is ensured that centrifugal process internal aseptic.
Further, described liquid enters/caliber of waste liquid discharge pipe 3 and described suction pipe 4 is 0.3-1.2mm, bottom in
Inclined-plane.Less caliber ensure that erythrocytic residual quantity is less, more preferable to fluid level controlling extent when operator draw.
Further, the bottom of described suction pipe 4 enters/waste liquid discharge pipe 3 bottom 0.5-1mm higher than described liquid, described
Suction pipe 4 and described liquid enters/waste liquid discharge pipe 3 is symmetrically positioned in axis both sides, mutually adjoins, can be one-body molded, middle by with
Sample material stiffness connects.So can ensure that when drawing platelet part by suction pipe, red cell fraction will not be touched, to the greatest extent
It is likely to reduced erythrocyte interference, it is ensured that draw precision and the purity of PRP.Additionally, suction pipe will not before final absorption PRP
By any liquid, therefore, other component residue is not had.
Further, the intensive prominent vertical line or longitudinally projecting of increase spin friction it is provided with outside described selection knob 7
Bar；Having fixed projection inside it, be allowed to only be securable to two positions, said two position makes described port lid 6 respectively with described
Liquid enters/waste liquid discharge pipe 4 and described suction pipe 3 UNICOM, and described fixed projection both sides are provided with and prevent from rotating excessive fixed plate,
To limit its rotating range.
Further, the bottom of described centrifugal body 1 is symmetrical reverse taper.
Further, described centrifugal body 1 makes the utensil of the specifications at different levels in the range of 5-100mL, and carves with standard
Degree line.
Further, described centrifugal body 1 and described lid 2 compact siro spinning technology, it is impossible to separate.So can ensure that in reality
In operation, do not have lid and depart from or open by mistake, thus the problem causing external environment condition contaminated blood.
Subject of the present invention also includes the preparation method of a kind of platelet rich plasma, by the nothing described in above-mentioned any one
Bacterium medical centrifugal is prepared.
Further, described liquid enters/and waste liquid discharge pipe is positioned at centrifuge tube middle position, vertically, extends centrifuge tube bottom；
Described suction pipe is close to described liquid and enters/waste liquid discharge pipe, and the most described liquid enters/waste liquid discharge pipe；Described perforate one
End can be with syringe close communication, internal diameter parcel syringe, and by seamless for syringe insertion, one end and described liquid enter/waste liquid row
Go out pipe or suction pipe connection, the selection knob below use, selection be enter with liquid/waste liquid discharge pipe or with described suction pipe
UNICOM, available above external spiral cover is closed
In one embodiment, described preparation method uses the rich leukocyte PRP of secondary centrifuging method preparation, and concrete steps include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the erythrocyte of bottom
Layer；
Step 2: recentrifuge, inserts perforate by syringe, and regulation selects knob to enter/waste liquid discharge pipe to port lid and described liquid
UNICOM, from described liquid enter/waste liquid discharge pipe absorb the residue red blood cell layer of bottom；
Step 3: after absorption, regulation selection knob is to port lid and suction pipe UNICOM, from described suction pipe in draw blood
Component below interbed (rich in leukocyte, platelet) and plasma layer, obtains rich leukocyte PRP.
In one embodiment, described preparation method uses a centrifuging to prepare lean leukocyte PRP, concrete steps bag
Include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the red blood cell layer of bottom
With blood intermediate layer (rich in leukocyte)；
Step 2: after absorption, regulation selects knob to port lid and suction pipe UNICOM, draws plasma layer from described suction pipe
Lower section component, obtains lean leukocyte PRP.
In one embodiment, described preparation method uses secondary centrifuging method to prepare lean leukocyte PRP, concrete steps bag
Include:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the red blood cell layer of bottom
With blood intermediate layer (rich in leukocyte)；
Step 2: recentrifuge, inserts perforate by syringe, and regulation selects knob to enter/waste liquid discharge pipe to port lid and described liquid
UNICOM, from described liquid enter/waste liquid discharge pipe absorb the residue red blood cell layer of bottom；
Step 3: after absorption, regulation selection knob is to port lid and suction pipe UNICOM, from described suction pipe in draw blood
Component below interbed (rich in platelet) and plasma layer, obtains lean leukocyte PRP.
Aseptic medical centrifugal provided by the present invention can improve the convenience that PRP makes, it is possible to avoids completely in operation
During the sample contamination that occurs, can further improve platelet collection rate, reduce the doping of the impurity such as erythrocyte, can be according to difference
Occupation mode collects variety classes PRP.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention does not limit
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Substitute the most all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Amendment, all should contain within the scope of the invention.
Claims (10)
1. an aseptic medical centrifugal, it is characterised in that include centrifugal body (1), be located at described centrifugal body (1) mouth of pipe
Lid (2), be located at the internal liquid of described centrifugal body (1) and enter/waste liquid discharge pipe (3) and suction pipe (4)；
The port lid (6) that described lid (2) is provided with perforate (5) and seals it or open, described liquid enters/waste liquid discharge
One end and the described perforate (5) of pipe (3) connects, the other end contacts or close to the bottom of described centrifugal body (1), described suction pipe
(4) one end connects with described perforate (5), the other end is close to the bottom of described centrifugal body (1) and the most described liquid
Enter/the bottom of waste liquid discharge pipe (3), described perforate (5) lower end and be arranged over selecting described perforate in described lid (2)
(5)/selection the knob (7) that is connected of waste liquid discharge pipe (3) or described suction pipe (4) is entered with described liquid.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that described lid (2) is located in described perforate (5)
Center, be divided into inside and outside two-layer, outside outer layer, be provided with screw thread or embedded ring, described screw thread or embedded ring and described port lid
(6) inside thread or innermost insert match, and form screw thread or embed connection, and internal layer is syringe interface, with normal injection
Device or threaded syringe are formed and embed or threaded.
Aseptic medical centrifugal the most according to claim 2, it is characterised in that leave between described internal layer and described outer layer
The space of 0.7-2.5mm, described space is coated with ventilative water shutoff filter membrane；Rigidity is there is even between described internal layer and described outer layer
Connect.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that described liquid enters/waste liquid discharge pipe (3) and
The caliber of described suction pipe (4) is 0.3-1.2mm, and bottom is inclined-plane.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that the bottom of described suction pipe (4) is higher than institute
Stating liquid and enter/waste liquid discharge pipe (3) bottom 0.5-1mm, described suction pipe (4) and described liquid enter/waste liquid discharge pipe (3) symmetry
It is positioned at axis both sides, mutually adjoins, can be one-body molded, centre is connected by same material stiffness.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that described selection knob (7) outside is provided with increasing
The intensive prominent vertical line of big spin friction or longitudinally projecting bar；There is fixed projection inside it, be allowed to only be securable to two positions
Put, said two position make described port lid (6) enter with described liquid respectively/waste liquid discharge pipe (3) and described suction pipe (4) connection
Logical, described fixed projection both sides are provided with and prevent from rotating excessive fixed plate, to limit its rotating range.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that the bottom of described centrifugal body (1) is right
Claim reverse taper.
Aseptic medical centrifugal the most according to claim 1, it is characterised in that described centrifugal body (1) and described lid
(2) compact siro spinning technology, it is impossible to separate.
9. the preparation method of a platelet rich plasma, it is characterised in that by as described in any one in claim 1-8
Aseptic medical centrifugal is prepared.
Preparation method the most according to claim 9, it is characterised in that comprise the following steps:
Step 1: after blood samples of patients is centrifuged layering in aseptic medical centrifugal, inserts perforate by syringe, and regulation selects
Knob to port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb the erythrocyte of bottom
Layer；Or
After blood samples of patients is centrifuged layering in aseptic medical centrifugal, syringe inserting perforate, regulation selects knob extremely
Port lid and liquid enters/waste liquid discharge pipe UNICOM, from described liquid enter/waste liquid discharge pipe absorb red blood cell layer and the blood of bottom
Intermediate layer；
Step 2: recentrifuge, inserts perforate by syringe, and regulation selects knob to enter/waste liquid discharge pipe to port lid and described liquid
UNICOM, from described liquid enter/waste liquid discharge pipe absorb the residue red blood cell layer of bottom；
Step 3: after absorption, regulation selection knob is to port lid and suction pipe UNICOM, from described suction pipe in draw blood
Component below interbed and plasma layer, obtains described platelet rich plasma.
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| CN201610597174.XA CN106215993B (en) | 2016-07-27 | 2016-07-27 | Sterile medical centrifuge tube and preparation method thereof for preparing platelet-rich plasma |
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