CN207412823U - A kind of blood separation and extraction element - Google Patents
A kind of blood separation and extraction element Download PDFInfo
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- CN207412823U CN207412823U CN201721410792.5U CN201721410792U CN207412823U CN 207412823 U CN207412823 U CN 207412823U CN 201721410792 U CN201721410792 U CN 201721410792U CN 207412823 U CN207412823 U CN 207412823U
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Abstract
The utility model is related to a kind of separation of blood and extraction element, including upper cover, separated space portion and receiving space portion；Upper cover is connected with the upper end in the separated space portion；The inner wall at separated space subordinate end is equipped with the passage portion inwardly and downwardly shunk；Portion is led to equipped with injection needle in receiving space portion, and the top that the injection needle leads to portion is equipped with flexible sealing plug；The upper end in the lower end in the separated space portion and the receiving space portion for can up and down formula be connected；Air hole is equipped in the separated space portion and receiving space portion so that the blood after layering can smoothly fall.The device effectively prevents the situation that blood sample in operating process was contaminated and avoided pollution of the blood sample to operator and environment in a manner that totally-enclosed, air hole is using bacteriological filtration ventilated membrane and extraneous isolation.And the device can thoroughly remove red blood cell, and improve and significantly improve platelet concentration, concentration coefficient and the rate of recovery.
Description
Technical field
The utility model is related to a kind of separation of blood and extraction elements.
Background technology
Such as inferior multiple functions are performed in the blood of in vivo intravascular the cycling of human body or animal：The oxygen that will be sucked by lung
Histocyte is transported to, from tissue to pulmonary delivery carbon dioxide and is discharged into outside, the nutrient absorbed by alimentary canal is defeated
Internal organs or histocyte are sent to, as the decomposition product of tissue, extra substance for organism is transported to kidney simultaneously
It is discharged in vitro, the hormone (hormone) secreted from incretory is transported to effect organ, tissue, is uniformly dispersed body
Heat and regularly keep body temperature, in addition, destroyed to invading the in vivo bacterium of biology, foreign matter etc., Non-toxic.
Though this blood also serves as to judge the leading indicator of various diseases or health status, in blood rich in life
The blood platelet and white blood cell of the long factor (Growth factor) are used with therapeutic purposes.Blood includes red blood cell, white blood
Ball, blood platelet etc., wherein, blood platelet is primarily present in blood plasma, and blood plasma is divided into platelet rich plasma (Platelet Rich
Plasma, PRP) layer and platelet poor plasma (Platelet Poor Plasma, PPP) layer.
Referred to as PRP (Platelet Rich Plasma：Blood platelet concentrate blood plasma) be located at blood rich in hematoblastic blood plasma
Slurry relatively under position, include cell factor (cytokine), platelet derived growth factor (Platelet Derived
Growth Factor, PDGF), transforming growth factor-beta 1 (Transforming Growth Factor-BETA1, TGF-
BETA1), the growth factors such as vascular endothelial growth factor (Vascular Endothelial Growth Factor, VEGP),
It is especially effective to skin disease and Wound healing that it has been illustrated in the data such as paper.In addition, referred to as PPP (Platelet Poor
Plasma：Blood platelet poor plasma) be used as autoblood filler or autologous plasma almost without hematoblastic blood plasma and make up
Product.
Platelet Concentrate (PRP) layer only accounts for 1% or so of gathered blood, and viscosity is higher and is attached to red blood
Ball, therefore, it is difficult to gather.If by the Platelet Concentrate (PRP) be transplanted to affected part, particularly inside the knee, ligament, muscle
Deng, then it plays the stem cell around stimulating and contributes to the effect of Hemapoiesis, therefore used always with therapeutic purposes, but because
Its amount is few and is attached to red blood cell and is difficult to gather, if red blood cell can cause very big pain into the human body, and
Inflammation can be also therefore generated, so focus on the technology of the Platelet Concentrate (PRP) of acquisition removal red blood cell.
However, currently in order to extraction Platelet Concentrate layer, has and was separated by centrifugal separation processes, a secondary centrifuging
The process of Cheng Jinhang concentrations, the process is that blood is being injected into the first separation container with top, lower liquid room
After in lower liquid room, the first separation container for being injected with blood is once centrifuged, promotes and is once centrifuging
In the process separated white blood cell and buffy (Buffy coat) layer and make its grade to top liquid chamber move.Hereafter, have
There is following process：The white blood cell and buffy coat of portion's liquid chamber are served to secondary separation container sidesway, carry out again it is secondary from
The heart separates and concentrates its grade, so as to extract Platelet Concentrate.At this point, with following problem points：Not only hold to secondary separation
Loss is generated during the separating layer for the blood that the device sidesway warp let-off once centrifuges, and once centrifuges operation, two
Secondary centrifugation operation is relatively complicated and the activity duration is longer.
In addition, also have through following extracting mode at present：After removing extra blood plasma after centrifugal blood separation, then extract dense
Contracting blood platelet, this method would generally cause red blood cell to go sordid phenomenon, enter patient's body so as to cause Platelet Concentrate
The generation of the sequelae such as caused pain afterwards, inflammation.And the recovery rate of blood platelet of this method is relatively low.
The applicant has developed the blood separating extraction device of the application as a result, solves above-mentioned technical problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of blood separation and extraction element, solves the prior art
Present in deficiency.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of blood separation and extraction element, including upper cover, separated space portion and receiving space portion；Upper cover：Its with institute
The upper end connection in separated space portion is stated, lid is equipped with to add in the injection unit of blood on this；Separated space portion：The separation is empty
Between the inner wall at subordinate end be equipped with the passage portion inwardly and downwardly shunk, the bottom of the passage portion is equipped with the separated space portion
Bottom end outlet；Receiving space portion：Its bottom face is equipped with opening, from the opening surrounding and along receiving space portion it is axial to
On extend to form and can accommodate the injection needle at end where syringe needle and lead to portion, the injection needle lead to portion top be equipped with it is soft
Property sealing-plug, the flexible sealing plug can be with the detachable sealed connection of bottom end outlet of the passage portion bottom；Described point
The upper end in lower end from spatial portion and the receiving space portion for can up and down formula be connected so that the bottom end outlet is with injecting
Pin leads to the flexible sealing plug separation on portion top or is tightly connected；It is equipped in the separated space portion and receiving space portion ventilative
Hole is so that the blood after layering can smoothly fall.
Further, the upper lid in the separated space portion is equipped with the first air hole through two end faces above and below upper cover,
Breathable bacteriological filtration ventilated membrane is equipped in first air hole；The upper end in the receiving space portion is equipped with empty through the collecting
Between portion's wall the second air hole, breathable bacteriological filtration ventilating component is equipped in second air hole.
Further, the lower end in the separated space portion is to be threadedly coupled with the upper end in the receiving space portion.
Further, the lower end in the separated space portion is equipped with external screw thread, on the inner wall of receiving space portion upper end
Equipped with the matched internal thread of the external screw thread.
Further, it is recessed that annular is equipped on the externally threaded separated space portion outer wall above the external screw thread and closely
Slot is equipped with rubber seal in the annular groove；During separation and the use of extraction element, the receiving space portion
Inner wall combine closely always with the rubber seal.
Further, the flexible sealing plug is the first rubber stopper so that syringe needle can pass through first rubber
Plug.
Further, the rubber gasket of annular is equipped in the upper cover so that upper cover is sealed with the separated space portion
Connection.
Further, the injection unit includes the injection through hole through two end faces above and below upper cover, described to inject on through hole
Equipped with matched second rubber stopper of the injection through hole.
Further, the injection needle leads to the edge of opening on portion top and bends inwards and extend to form bending edge, described
The middle that flexible sealing encloses beyond the Great Wall is equipped with the cricoid groove that can accommodate the bending edge.
Further, the injection needle portion of leading to includes leading to the wide inside diameter in subordinate portion and positioned at this positioned at the injection needle
Injection needle leads to the narrow inside diameter of portion upper end.
Further, the passage portion include by separated space portion inner wall inwardly and the inclined-plane that is formed of retracted downward and by
The outward bending of the bottom of the slope opening simultaneously continues to extend to form liquid outlet.
Further, the hole for leading to portion's coaxial line with injection needle is equipped in the flexible sealing plug, the injection needle leads to
The opening of hole is equipped with to the lower face in portion.
Further, the passage portion, injection needle lead to portion and flexible sealing plug with the separated space portion and receipts
Hold the axis overlapping of spatial portion.
The utility model at least has the advantages that：
1st, platelet rich plasma separating extraction device provided by the utility model, use is totally-enclosed, air hole is using filter
Bacterium ventilated membrane and the mode of extraneous isolation, after making the blood for accommodating, separating, extracting and centrifugation in the overall process of operation
Blood separating layer avoids contacting with outside air or operator, instrument etc., effectively prevents blood sample in operating process and is subject to
Pollution and the situation for avoiding pollution of the blood sample to operator and environment.
2nd, the device fundamentally solves Platelet Concentrate by the way of Platelet Concentrate is extracted again after first removing red blood cell
In Platelet Concentrate caused by unnet red blood cell is gone to enter the generations of the sequelae such as caused pain, inflammation after patient's body.
3rd, the utility model changes arrived the extraction concentration of Platelet Concentrate layer again with syringe injection needle by blood plasma in the past
The defects of blood platelet and the destroyed Platelet Concentrate of blood plasma and Platelet Concentrate layering that generates easily are lost in is used in the device
The mode that syringe needle directly reaches Platelet Concentrate layer improves the rate of recovery of Platelet Concentrate.
4th, platelet rich plasma separating extraction device provided by the present invention can pass through a container separation and extraction blood
Platelet rich plasma and other blood separating layer, can not only prevent loss of the blood platelet during transfer, significantly improve
Platelet concentration, concentration coefficient and the rate of recovery in PRP, and significantly shorten the activity duration.
5th, platelet rich plasma separating extraction device provided by the present invention is to realize blood by a centrifugal separation processes
The separation and extraction of liquid, therefore the convenience of operation and efficiency improve, and further save the activity duration.
6. platelet rich plasma separating extraction device provided by the present invention, not only can disposably will be enriched in growth factor
Blood platelet isolate, red blood cell, platelet poor plasma can also be separated, extract corresponding ingredient respectively as needed, into
One step improves work efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the separation and extraction element described in the utility model embodiment；
Fig. 2 is the perspective view of the separation and extraction element described in the utility model embodiment；
Fig. 3 is the sectional view dimensional structure diagram in the separated space portion described in the utility model embodiment；
Fig. 4 is the sectional view in the separated space portion described in the utility model embodiment；
Fig. 5 is the external structure schematic diagram in the separated space portion described in the utility model embodiment；
Fig. 6 is the sectional view in the receiving space portion described in the utility model embodiment；
Fig. 7 is the structure diagram of the flexible sealing plug described in the utility model embodiment；
Fig. 8 is the structure diagram of the syringe described in the utility model embodiment；
Fig. 9 is another perspective view of the separation and extraction element described in the utility model embodiment；
Figure 10 be after centrifugation described in the utility model embodiment blood in separated space part into three layers of schematic diagram；
Figure 11 is that the red thin of the rear bottom is unscrewed in separated space portion described in the utility model embodiment and receiving space portion
The schematic diagram that born of the same parents' layer is flowing down；
Figure 12 is separated space portion described in the utility model embodiment and receiving space portion tighten after taken with syringe it is dense
The schematic diagram of contracting platelet layer.
In figure, 1, separated space portion, 2, receiving space portion, 3, upper cover, 4, syringe, 7, plasma layer, 8, Platelet Concentrate
Layer, 9, red blood cell layer, 10, passage portion, 11, inclined-plane, 12, liquid outlet, 13, external screw thread, 14, annular groove, 15, rubber seal
Circle, 20, containing cavities, 21, injection needle lead to portion, 22, wide inside diameter, 23, narrow inside diameter, the 24, second air hole, 25, internal thread,
26th, bending edge, 27, flexible sealing plug, 28, groove, 29, hole, the 31, second rubber stopper, the 32, first air hole, 41, syringe,
42nd, syringe needle connecting portion, 43, syringe needle, 44, piston rod.
Specific embodiment
The technical scheme in the utility model embodiment is clearly and completely described below, it is clear that described reality
It is the utility model part of the embodiment to apply example, instead of all the embodiments.The embodiment of the utility model presented below
Detailed description be not intended to limit claimed the scope of the utility model, but be merely representative of the selected of the utility model
Embodiment.Based on the embodiment in the utility model, this field commonsense method personnel are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Fig. 1~9, a kind of separation of the blood of high efficiency extraction Platelet Concentrate and extraction element, including upper cover 3,
Separated space portion 1 and receiving space portion 2；
The upper cover 3 is connected with the upper end in the separated space portion 1, can specifically be tightened by screw thread or common manner
With reference to the rubber gasket equipped with annular in the upper cover 3 is so that upper cover 3 is tightly connected with the separated space portion 1.It is described
The centre of upper cover 3 is equipped with to add in the injection unit of blood；The injection unit includes the note through upper cover two end faces about 3
Enter through hole, the injection through hole is equipped with and matched second rubber stopper 31 of the injection through hole, second rubber stopper 31 and upper
Injection through hole on lid 3 combines to form the blood injection unit of sealing.
The lower end in separated space portion 1 is connected with the upper end in the receiving space portion 2, and specifically, the two is can be up and down
Formula is connected so that the flexible sealing plug 27 that the bottom end outlet leads to 21 top of portion with injection needle is separated or is tightly connected.Described point
Inner wall from 1 lower end of spatial portion is equipped with the passage portion 10 inwardly and downwardly shunk, and the bottom of the passage portion 10 is equipped with described
The bottom end outlet in separated space portion 1；Red blood cell of blood bottom etc. can be entered in receiving space portion 2 by the bottom end outlet.
Receiving space portion 2 is equipped with the injection needle that extends up and down and leads to portion 21, the injection needle lead to the periphery in portion 21 with
The inner wall in the receiving space portion 2 constitutes the containing cavities 20 that can accommodate red blood cell；Specifically, the receiving space portion 2
Bottom face is equipped with opening, and the surrounding by the opening and the axial direction along receiving space portion 2 (longitudinal direction or separate and extraction element
It is axial) it upwardly extends to form the injection needle that can accommodate 43 place end of syringe needle and lead to portion 21.The injection needle leads to portion
21 top is equipped with flexible sealing plug 27, and the flexible sealing plug 27 can divide with the bottom end outlet of 10 bottom of passage portion
It is tightly connected from formula.
The passage portion 10, injection needle lead to portion 21 and flexible sealing plug 27 with the separated space portion 1 and accommodate
The axis overlapping of spatial portion 2.
The lower end in the separated space portion 1 is preferably to be threadedly coupled with the upper end in the receiving space portion 2, then can be by twisting
It is tight or unscrew to realize the bottom end outlet of passage portion 10 and combination and the separating action of flexible sealing plug 27, when the two separation, then
The red blood cell layer of 1 lower floor of separated space portion can be entered in receiving space portion 2 by bottom end outlet, when the two is combined closely, then be divided
It just can not be flowed down from the blood layer in spatial portion 1 by the bottom end outlet, facilitate and platelet layer is taken using syringe 4.
Air hole is equipped in the separated space portion 1 and receiving space portion 2 so that the blood after layering can be smoothly
It falls or flows down.Specifically, the upper cover 3 in the separated space portion 1 be equipped with through upper cover about 3 two end faces first breathe freely
Hole 32 is equipped with breathable bacteriological filtration ventilated membrane in first air hole 32, which can be by ultrasonic bond in succession
It is connected in the first air hole 32, constitutes the ventilative hole portion being isolated from the outside.This is equipped with the first air hole 32 of bacteriological filtration ventilated membrane
So that injection blood and extraction Platelet Concentrate are more unobstructed into hermetically sealed separated space portion 1.The receiving space portion 2 it is upper
End is equipped with the second air hole 24 through 2 wall of receiving space portion, and breathable bacteriological filtration is equipped in second air hole 24
For ventilating component so as to be isolated from the outside in receiving space portion 2, bacteriological filtration ventilating component can be bacteriological filtration ventilated membrane.Second air hole 24
Also can be by ultrasonic welding, which makes the red blood cell layer in separated space portion 1 smoothly be flowed into receiving space portion
2。
The passage portion 10 is included by 1 inner wall of the separated space portion inclined-plane 11 that inwardly simultaneously retracted downward is formed and by inclined-plane
Outward bending and continue to be downwardly extending liquid outlet 12 at 11 bottom openings.I.e. passage portion 10 is the narrow funnel in the wide lower part in top
Shape, 10 upper inclined surface of passage portion, 11 longitudinal section can be in round and smooth parabolic shape.Between the liquid outlet 12 and inclined-plane 11
Angle is an acute angle, i.e., the angle of outward bending is an acute angle at 11 bottom opening of inclined-plane, such as 20~40 degree.Liquid outlet
12 and bend the number of degrees etc. of acute angle so that liquid outlet 12 continues to contract, i.e. internal diameter reduces, even if then it is less amount of it is red carefully
Born of the same parents' layer or platelet layer also can show certain height in the liquid outlet 12, then so that separating red corpuscle layer it is cleaner,
Thoroughly, and all blood platelets can be separated with red blood cell layer as far as possible, while also can be small by the blood as far as possible
Flaggy is separated with plasma layer.
The flexible sealing plug 27 is the first rubber stopper, and rubber stopper can realize sealing and syringe needle is made more to hold
Easily pass through.
The lower end in the separated space portion 1 is equipped with external screw thread 13, above the external screw thread 13 and in close proximity to external screw thread
1 outer wall of separated space portion be equipped with annular groove 14, rubber seal 15 is equipped in the annular groove 14；In the receipts
Hold spatial portion 2 upper end inner wall be equipped with the 13 matched internal thread 25 of external screw thread, in making for separation and extraction element
With in the process, the inner wall in the receiving space portion 2 combine closely always with the rubber seal 15 so that the two leakproofness more
It is good.
The injection needle leads to the cross section in portion 21 for circle, which leads to portion 21 and include leading to positioned at the injection needle
The wide inside diameter 22 of 21 lower part of portion and the narrow inside diameter 23 for leading to 21 upper end of portion positioned at the injection needle.Since syringe 4 includes pin
Cylinder 41, syringe needle connecting portion 42, piston rod 44 and syringe needle 43, the outer diameter of syringe needle connecting portion are less than syringe, when in use, narrow internal diameter
Portion simply accommodates injection needle and syringe needle connecting portion, therefore only needs to be adapted with the syringe needle connecting portion outer diameter on syringe 4 interior
Footpath, and the wide inside diameter 22 of lower part needs accommodating portion syringe, therefore its internal diameter needs to increase.The setting of narrow inside diameter 23 subtracts
Small injection needle leads to the occupied space in portion 21 so that 20 volume of containing cavities becomes larger, then so that the separation of the utility model and carrying
Take the volume smaller of device.
The edge of opening that the injection needle leads to 21 top of portion bends inwards and extends to form bending edge 26, and the flexibility is close
The middle of 27 periphery of blocking is equipped with the cricoid groove 28 that can accommodate the bending edge 26, when flexible sealing plug 27 is arranged at
When the injection needle leads to the top in portion 21, groove 28 is located exactly at bending edge, and bending edge 26 can be made to be connected to groove 28
It is interior, then so that flexible sealing plug 27 will not make flexible sealing plug 27 depart from the injection needle because of the close of passage portion 10 with leaving
Lead to the top in portion 21.
The hole 29 for leading to 21 coaxial line of portion with injection needle is equipped in the flexible sealing plug 27, the injection needle leads to portion
21 lower face is equipped with the opening of hole 29, and the top of the hole 29 and injection needle are equipped with a spacing between leading to the top in portion 21
From then so that red blood cell layer will not be flowed out from flexible sealing plug 27；The setting of hole 29 is so that the syringe needle 43 of syringe 4 is easier
Pierce through flexible sealing plug 27.
As further preferred embodiment, flexible sealing plug 27 can be that concave-convex identical mode coordinates with passage portion 10
And can freely combine separation, with reference to when can reach sealing effect, as shown in Fig. 9~10；Specifically, the top of flexible sealing plug 27
It is the structure being recessed inwardly at the bottom end opening of passage portion 10 for the structure to raise up, and it is raised lucky with concave structure
It coincide.Raised structure on flexible sealing plug 27 is but also red blood cell layer is not easy after containing cavities 20 are dropped down onto under in flexible sealing
It is remained on plug 27, even if residual, is also easy to be washed out with the substance in minimal amount of blood platelet enriched layer, avoiding red blood cell can
The risk of syringe 4 can be entered.
As further preferred embodiment, the internal diameter of the liquid outlet 12 is 1-3mm, and with the separated space portion
1 connection.The internal diameter of first air hole, 32 and second air hole 24 is 1-3mm, and respectively with the separated space portion 1 and
Receiving space portion 2 connects.
When specifically used, as shown in Figure 10~12, separated space portion 1 and receiving space portion 2 are tightened so that separated space
The bottom end opening in portion 1 is combined with the sealing of flexible sealing plug 27.Then by blood from injection unit injection separated space portion 1, with from
Scheming is centrifuged, then the blood in separated space portion 1 is divided into three layers from the bottom to top, is respectively plasma layer 7, Platelet Concentrate layer
8 and red blood cell/red blood cell layer 9.Separated space portion 1 and receiving space portion 2 are unscrewed, then passage portion 10 moves up, bottom end opening with
Occurs gap between flexible sealing plug 27, then the layer of red blood cells of the blood bottom or red blood cell layer 9 flow into the receipts in receiving space portion 2
Receive chamber 20, after the layer of red blood cells 9 in separated space portion 1 flows down completely, by separated space portion 1 and receiving space portion 2 again
It tightens, then only the plasma layer 7 on remaining upper strata and the Platelet Concentrate layer 8 of lower floor in separated space portion 1.Syringe 4 is got out again,
Syringe needle 43 is led to portion 21 from injection needle to stretch into inward, and the deshydremia of passage portion 10 is reached through flexible sealing plug 27
In small flaggy 8, then Platelet Concentrate layer 8 can be taken in the syringe 41 of syringe 4 by operating syringe, complete concentration
The high-purity separation of platelet layer 8.
In the utility model, injection unit can inject blood to be separated, it is also possible to make platelet poor plasma (PPP) extraction
Extraction mouth.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
For technical staff, the utility model can have various modifications and changes.All institutes within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of blood separation and extraction element, it is characterised in that：It includes upper cover, separated space portion and receiving space portion；
Upper cover：It is connected with the upper end in the separated space portion, and lid is equipped with to add in the injection unit of blood on this；
Separated space portion：The inner wall at the separated space subordinate end is equipped with the passage portion inwardly and downwardly shunk, the access
The bottom in portion is equipped with the bottom end outlet in the separated space portion；
Receiving space portion：Its bottom face is equipped with opening, by the surrounding of the opening and extending axially upward along receiving space portion
The injection needle for forming end where can accommodating syringe needle leads to portion, and the top that the injection needle leads to portion is equipped with flexible sealing
Plug, the flexible sealing plug can be with the detachable sealed connection of bottom end outlet of the passage portion bottom；The separated space
The upper end in the lower end in portion and the receiving space portion for can up and down formula be connected so that the bottom end outlet is led to injection needle
The flexible sealing plug separation on portion top is tightly connected；
Air hole is equipped in the separated space portion and receiving space portion so that the blood after layering can smoothly fall.
2. blood separation according to claim 1 and extraction element, it is characterised in that：On the upper lid in the separated space portion
The first air hole equipped with two end faces above and below upper cover is breathed freely in first air hole equipped with breathable bacteriological filtration
Film；
The upper end in the receiving space portion is equipped with the second air hole through the receiving space portion wall, is set in second air hole
There is breathable bacteriological filtration ventilating component.
3. blood separation according to claim 2 and extraction element, it is characterised in that：The lower end in the separated space portion with
The upper end in the receiving space portion is threaded connection.
4. blood separation according to claim 3 and extraction element, it is characterised in that：The lower end in the separated space portion is set
There is external screw thread, be equipped with and the matched internal thread of the external screw thread on the inner wall of receiving space portion upper end.
5. blood separation according to claim 4 and extraction element, it is characterised in that：Above the external screw thread and closely
The externally threaded separated space portion outer wall is equipped with annular groove, and rubber seal is equipped in the annular groove；Dividing
From and the use of extraction element during, the inner wall in the receiving space portion is combined closely always with the rubber seal.
6. according to blood according to any one of claims 1 to 5 separation and extraction element, it is characterised in that：The flexibility is close
Blocking is the first rubber stopper so that syringe needle can pass through first rubber stopper；
The rubber gasket of annular is equipped in the upper cover so that upper cover is tightly connected with the separated space portion；
The injection unit includes the injection through hole through two end faces above and below upper cover, and the injection through hole is equipped with to be led to the injection
Matched second rubber stopper in hole.
7. blood separation according to claim 6 and extraction element, it is characterised in that：The injection needle leads to portion top
Edge of opening bends inwards and extends to form bending edge, and the middle that the flexible sealing encloses beyond the Great Wall is described curved equipped with that can accommodate
The cricoid groove of flanging.
8. blood separation according to claim 7 and extraction element, it is characterised in that：The injection needle portion of leading to includes position
Lead to the wide inside diameter in subordinate portion in the injection needle and lead to the narrow inside diameter of portion upper end positioned at the injection needle；
The passage portion is included by the separated space portion inner wall inclined-plane that inwardly simultaneously retracted downward is formed and by the bottom of the slope opening
Place's outward bending simultaneously continues to extend to form liquid outlet.
9. blood separation according to claim 8 and extraction element, it is characterised in that：Be equipped in the flexible sealing plug with
Injection needle leads to the hole of portion's coaxial line, and the injection needle leads to the opening of the lower face equipped with hole in portion.
10. blood separation according to claim 6 and extraction element, it is characterised in that：The passage portion, injection needle lead to
Portion and flexible sealing plug are Chong Die with the axis in the separated space portion and receiving space portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410792.5U CN207412823U (en) | 2017-10-27 | 2017-10-27 | A kind of blood separation and extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410792.5U CN207412823U (en) | 2017-10-27 | 2017-10-27 | A kind of blood separation and extraction element |
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| Publication Number | Publication Date |
|---|---|
| CN207412823U true CN207412823U (en) | 2018-05-29 |
Family
ID=62310000
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721410792.5U Active CN207412823U (en) | 2017-10-27 | 2017-10-27 | A kind of blood separation and extraction element |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364529A (en) * | 2018-11-26 | 2019-02-22 | 曲靖市第二人民医院 | A kind of preparation method that treating pressure injury autologous platelet rich plasma and device |
| CN110201424A (en) * | 2019-04-22 | 2019-09-06 | 福州比华利美容医院有限公司 | Combined type blood constituent separator |
| CN114534312A (en) * | 2022-01-12 | 2022-05-27 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP separator |
-
2017
- 2017-10-27 CN CN201721410792.5U patent/CN207412823U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364529A (en) * | 2018-11-26 | 2019-02-22 | 曲靖市第二人民医院 | A kind of preparation method that treating pressure injury autologous platelet rich plasma and device |
| CN109364529B (en) * | 2018-11-26 | 2021-05-04 | 曲靖市第二人民医院 | Preparation method and device of autologous platelet-rich plasma for treating pressure injury |
| CN110201424A (en) * | 2019-04-22 | 2019-09-06 | 福州比华利美容医院有限公司 | Combined type blood constituent separator |
| CN114534312A (en) * | 2022-01-12 | 2022-05-27 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP separator |
| CN114534312B (en) * | 2022-01-12 | 2022-09-06 | 北京市美嘉亿盛医疗器械股份有限公司 | PRP separator |
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