CN204638369U - A kind of medical centrifugal - Google Patents
A kind of medical centrifugal Download PDFInfo
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- CN204638369U CN204638369U CN201520291984.3U CN201520291984U CN204638369U CN 204638369 U CN204638369 U CN 204638369U CN 201520291984 U CN201520291984 U CN 201520291984U CN 204638369 U CN204638369 U CN 204638369U
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Abstract
The utility model belongs to medical centrifugal technical field, discloses a kind of medical centrifugal, and this centrifuge tube comprises centrifugal body, is located at the pipe lid at centrifugal tube mouth place and is located at the suction pipe of centrifugal tubular body; Wherein, pipe covers and is provided with perforate and for opening the hole cap with this perforate airtight, and one end of suction pipe contacts with this perforate connection, the other end or close to the bottom of centrifugal body; In addition, pipe covers the ventilative through hole being also provided with the inside to centrifugal body and extending, and is provided with air-permeable anti-bacterial film in this ventilative through hole.Use centrifuge tube provided by the utility model to carry out the making of platelet rich plasma, the convenience of manufacturing process can be improved, and the sample contamination caused in operation, the accuracy improving platelet rich plasma making further and stability can be avoided.
Description
Technical field
The utility model relates to medical centrifugal technical field, particularly a kind of for the medical centrifugal for separating of blood constituent.
Background technology
Platelet rich plasma (Platelet-Rich Plasma, PRP) is the PC extracted from autologous blood by centrifugal method, the blood platelet containing high concentration, leucocyte and fibrin.Can secrete multiple growth factor after platelet activation: leucocyte can be protected from infection, fibrin can build the three-dimensional structure needed for tissue repair in local.Concentrated PRP composition can not only provide " concentrated nutrition " for the reparation of tissue, can also build better repairing environment for tissue repair.A large amount of basic research and clinical testing have demonstrated the reparation that PRP significantly can promote bone tissue and soft tissue.Because PRP derives from autologous, safe and effective, application clinically is in recent years increasingly extensive, has now been applied to orthopaedics, Oral and Maxillofacial Surgery, shaping, beauty treatment, sports medical science, neurosurgery, ophthalmology, ear-nose-throat department and gynemetrics etc.
Have more than ten to plant by U.S. FDA approval at the PRP making apparatus of clinical practice at present, mostly adopt secondary centrifuging method.But these equipment prices are expensive, PRP PC and the rate of recovery of the extraction of some equipment are not good.Domestic PRP makes and all adopts manual open secondary centrifuging method, and this method easily causes sample contamination, and the PRP concentration made and growth factor activity instability.In 2004, the people such as Zhang Changqing devised a kind of centrifuge tube (patent No.: ZL200420081020.8) for making platelet rich plasma, and this centrifuge tube improves the agility and security that make PRP greatly.Subsequently, Zhang Changqing professor team and Medical High Molecular Product Co., Ltd., Shandong Weigao Group have developed clinical making of PRP cooperatively and have been set with, and have passed the certification of State Food and Drug Administration, be that unique one of China is approved for clinical PRP making suit at present.But this is sleeved on clinical after using widely in a large number, finds still there are some shortcomings, such as: 1. three caps are at a distance of too near, stopped during stubborn cap; 2. second time centrifugal complete carry out absorptions PPP time, there is open through hole in centrifugal pipe cap, carry out above the through hole of this opening bacterium or talcum powder on processing ease generation gloves fall into centrifuge tube cause pollution situation; 3. in the middle of, suction pipe is excessively thick, comprises too much red blood cell after second time is centrifugal, thus can affect the stability of PRP making.
Utility model content
The purpose of this utility model is the medical centrifugal for separating of blood constituent providing a kind of improvement, uses this kind of centrifuge tube to carry out the separation of blood constituent not only convenient and swift, also can decreasing pollution, retain blood platelet more.
For solving the problems of the technologies described above, the utility model provides a kind of medical centrifugal, and this medical centrifugal comprises centrifugal body, is located at the pipe lid at centrifugal tube mouth place and is located at the suction pipe of centrifugal tubular body; Wherein, pipe covers and is provided with perforate and for opening the hole cap with this perforate airtight, and one end of suction pipe contacts with this perforate connection, the other end or close to the bottom of centrifugal body; In addition, pipe covers the ventilative through hole being also provided with the inside to centrifugal body and extending, and is provided with air-permeable anti-bacterial film in this ventilative through hole.
Use above-mentioned medical centrifugal can carry out the making of platelet rich plasma, making step is as follows specifically: S1: extract blood, and blood is injected centrifugal body by perforate, after using the airtight perforate of hole cap, centrifuge tube is placed in centrifuge and carries out centrifugal; S2: centrifugal rear blood generation layering, extracts the red blood cell of centrifugal body bottom by perforate; S3: after residual blood composition shakes up in centrifugal body, centrifuge tube is also placed in centrifuge to carry out second time centrifugal by airtight perforate; S4: the platelet rich plasma again being extracted centrifugal body bottom after second time is centrifugal by perforate, remaining platelet poor plasma is stayed in centrifugal body, namely completes the making of platelet rich plasma.
Compared with prior art, the medical centrifugal that embodiment of the present utility model provides, has the following advantages: 1. complete in same centrifuge tube twice centrifugal, do not need twice centrifugal between move liquid, thus avoid the possibility of moving sample contamination in liquid process; 2. the ventilative through hole covered by pipe is set to extend to the inside of centrifugal body, ventilative through hole no longer protrudes pipe lid plane, like this carry out opening or airtight perforate operating process in, pipe covers does not exist any member obstruction, make to open or the operation of airtight perforate more convenient; 3. pipe covers except the perforate except being connected with suction pipe, only there is a ventilative through hole, and air-permeable anti-bacterial film is provided with in ventilative through hole, such can the centrifugal tubular body of guarantee with extraneous be in the prerequisite of ventilative state under, situation that centrifuge tube causes polluting occurs effectively to prevent the bacterium on gloves in operation or talcum powder from falling into; 4. when centrifuge tube of the prior art draws PPP from side opening, PPP is sucked out from side opening, and the blood platelet below side opening can be caused to lose too much; And the perforate that this device is covered by pipe directly extracts PRP from suction pipe, hematoblastic loss can be reduced.Therefore, the medical centrifugal that embodiment of the present utility model provides improves the convenience that PRP makes, the sample contamination caused in operation, the accuracy improving PRP making further and stability can be avoided completely, solve the various problems that PRP manufacturing technology faces in clinical practice, the clinical practice of PRP can be promoted better, allow more patient benefit.
Preferably, in medical centrifugal provided by the utility model, the center of pipe lid is located in perforate, can ensure that the suction pipe be communicated with perforate is also in the cental axial position of centrifugal body like this.Extracted out in the process of PRP by suction pipe at the tapping covered from pipe, blood platelet flow to centre from surrounding, and the blood platelet of loss is less, and the hematoblastic rate of recovery is higher, and the PRP of making is also more stable.
Preferably, in medical centrifugal provided by the utility model, perforate has the protuberance that the top to pipe lid extends, and being formed between protuberance with hole cap is threaded or embeds is connected.Perforate is set to upwards extend to form protuberance and make further to be formed between protuberance and empty cap stable can annexation, can make to open or the operating process of airtight perforate more convenient and stable.
Preferably, in medical centrifugal provided by the utility model, the caliber of suction pipe is 0.3 ~ 1mm, more preferably 1mm.Existing PRP makes in centrifugal device, and middle suction pipe is excessively thick, after second time is centrifugal, in middle suction pipe, comprises too much red blood cell, and then affects the stability of PRP making.The caliber of the suction pipe of this device is 0.3 ~ 1mm, and less caliber ensure that only containing a small amount of red blood cell in the centrifugal rear suction pipe of second time, and on finally making, the PRP concentration impact obtained is very little.
Preferably, in medical centrifugal provided by the utility model, the formation inclined-plane, bottom of suction pipe.The suction pipe bottom arranged in inclined-plane is more conducive to the accurate absorption to centrifugal body bottom liquid.
Preferably, in medical centrifugal provided by the utility model, be also provided with the connecting portion of connecting hole cap and pipe lid, namely hole cap is connected with pipe lid by connecting portion.The setting of connecting portion can prevent hole cap being randomly placed or very not losing in PRP manufacturing process, is conducive to the convenience of PRP manufacturing process and the recycling disposal to medical waste after completing.
Preferably, in medical centrifugal provided by the utility model, back taper is formed on the bottom of centrifugal body; Further, centrifugal body and Guan Gai are formed in one.Centrifugal body at the bottom of back taper is more conducive to gathering to a small amount of blood constituent and absorption, and integrated centrifugal body and Guan Gai make the production link of this device more convenient, it also avoid pipe lid in use procedure and departs from and cause the pollution to external environment condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of the medical centrifugal in the first embodiment;
Fig. 2 is the structural representation of the medical centrifugal in the second embodiment;
Fig. 3 is the structural representation of the medical centrifugal in the 3rd embodiment;
Fig. 4 is the structural representation of the medical centrifugal in the 3rd embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in each embodiment of the utility model, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following embodiment and amendment, each claim of the application technical scheme required for protection also can be realized.
First embodiment of the present utility model relates to a kind of medical centrifugal, and its structural representation as shown in Figure 1.Specifically, this centrifuge tube comprises centrifugal body 1, this centrifugal body 1 for bottom be the centrifugal body of back taper; Be provided with pipe lid 2 at the mouth of pipe place of centrifugal body 1, can be integrated between centrifugal body 1 and pipe lid 2, also can be detachable; Be provided with suction pipe 3 in the inside of centrifugal body 1, the caliber of this suction pipe 3 is 1mm.Pipe lid 2 is provided with perforate 4 and for opening the hole cap 5 with this perforate 4 airtight, in the present embodiment, the center of pipe lid 2 is located in perforate 4; And perforate 4 has the protuberance 8 that the top to pipe lid 2 extends, and is formed and be threaded between this protuberance 8 with hole cap 5, thus realize to perforate 4 open or airtight.
The one end being located at the suction pipe 3 of centrifugal body 1 inside is connected with above-mentioned perforate 4, and the other end of suction pipe 3 then extends in the inside of centrifugal body 1, until contact the bottom of centrifugal body 1; In present embodiment, the formation inclined-plane, bottom of suction pipe 3, therefore, suction pipe 3 is with the bottom of its inclined-plane, bottom at the centrifugal body 1 of the minimum location contacts of vertical direction.
In addition, the pipe lid 2 of centrifugal body 1 is also provided with the ventilative through hole 6 that the inside to centrifugal body 1 extends, namely this air-vent 6 is the overall below being positioned at pipe lid 2 place plane; In ventilative through hole 6, be provided with air-permeable anti-bacterial film 7, the material of this air-permeable anti-bacterial film 7 can be air-permeable anti-bacterial material conventional in prior art.
The step that the medical centrifugal using present embodiment to provide carries out platelet rich plasma making is as follows: S1: extract blood, and blood is injected centrifugal body by the perforate 4 be located on pipe lid 2, after injection, be threaded connection and make hole cap 5 be screwed on the protuberance 8 of perforate 4, what namely realize perforate 4 is airtight, centrifuge tube is placed in centrifuge and carries out centrifugal; S2: centrifugal rear blood generation layering, from the perforate 4 on pipe lid 2, the red blood cell being extracted centrifugal body 1 bottom by the suction pipe 3 be connected with perforate 4; S3: after residual blood composition is shaken up, it is centrifugal to carry out second time after again tightening hole cap 5, airtight perforate 4; S4: after second time is centrifugal, again from the perforate 4 on pipe lid 2, the PRP being extracted centrifugal body 1 bottom by the suction pipe 3 be connected with perforate 4, remaining PPP stays in centrifuge tube, namely completes the making to platelet rich plasma (PRP).
The medical centrifugal that present embodiment provides, have the following advantages: 1. utilize the centrifuge tube that present embodiment provides, twice that completes in PRP manufacturing process in same centrifugal body centrifugal, do not need twice centrifugal between move liquid, thus avoid in the possibility of moving sample contamination in liquid process; 2. the ventilative through hole covered by pipe is set to extend to the inside of centrifugal body, ventilative through hole no longer protrudes pipe lid plane, like this carry out opening or airtight perforate (namely tighten or unclamp hole cap) operating process in, pipe covers does not exist any member obstruction, make to open or the operation of airtight perforate more convenient; 3. cover at the pipe of centrifugal body, except the perforate be connected with suction pipe, only there is a ventilative through hole, and air-permeable anti-bacterial film is provided with in ventilative through hole, such can the centrifugal tubular body of guarantee with extraneous be in the prerequisite of ventilative state under, also can effectively prevent the bacterium on operating personnel's gloves or talcum powder from accidentally falling into centrifuge tube in operation, causing the situation of contaminated sample; 4. existing PRP makes in centrifugal device, covers and arranges side opening, from side opening, draw PPP at pipe, and this mode can cause the blood platelet below side opening to lose too much; And using the centrifuge tube of present embodiment to make in the process of PRP, the tapping covered from pipe directly extracts PRP by suction pipe, can reduce hematoblastic loss.5. existing PRP makes in centrifuge tube, and middle suction pipe arranges excessively thick, comprises too much red blood cell, thus affect the stability of PRP making after second time also can be caused centrifugal in this suction pipe; In the centrifuge tube of present embodiment, the caliber of suction pipe only has 1mm, only containing a small amount of red blood cell in centrifugal rear suction pipe, further reduces the adverse effect to finally making the PRP concentration obtained.
Therefore, the medical centrifugal that present embodiment provides can improve the convenience that PRP makes, the sample contamination occurred in operation can be avoided completely, also can reduce hematoblastic loss in manufacturing process, the accuracy improving platelet rich plasma manufacturing process and stability further.
Medical centrifugal involved by second embodiment of the present utility model, be the one distortion of the first embodiment, its structural representation as shown in Figure 2.Specifically, the centrifuge tube that present embodiment provides, perforate 4 also has the protuberance 8 that the top to pipe lid 2 extends, but being formed to embed between this protuberance 8 with hole cap 5 is connected, thus realize to perforate 4 open or airtight.
When the centrifuge tube using present embodiment to provide carries out PRP making, Embedded connected mode comparatively thread connecting mode between hole cap 5 and protuberance 8, the convenience of operation has had further raising, and operating personnel even can realize being hold by one hand centrifugal body 1 and airtight perforate 4 simultaneously.But, embedded connected mode between hole cap 5 with protuberance 8 is relative with the requirement of manufacturing process slightly high to the mfg. moulding die of centrifuge tube, require in produced centrifuge tube, embedding between hole cap 5 with protuberance 8 coordinates quite accurate, close contact between such guarantee hole cap 5 and protuberance 8, what realize perforate 4 veritably is airtight.
Medical centrifugal involved by 3rd embodiment of the present utility model, be the another kind distortion of the first embodiment, its structural representation as shown in Figure 3.Specifically, the centrifuge tube that present embodiment provides, is no longer provided with the protuberance 8 extended above pipe lid 2, but directly hole cap 5 is set to the form that can embed perforate 4 inside to perforate 4, thus realizes opening with airtight perforate 4.
Present embodiment, as a kind of alternate configurations, reduces the cost of manufacture of centrifuge tube further, but also can consider further improvement in the simple operation of opening perforate 4.
Medical centrifugal involved by 4th embodiment of the present utility model, for improving the one of the first embodiment, its structural representation as shown in Figure 4.Specifically, between hole cap 5 and pipe lid 2, set up connecting portion 9, by connecting portion 9, hole cap 5 and pipe lid 2 have been linked together all the time.
The situation that the setting of this connecting portion 9 can prevent the hole cap 5 in manufacturing process to be randomly placed or very not lose, is conducive to the convenience of PRP manufacturing process and the recycling disposal to medical waste after completing.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiment of the utility model, and in actual applications, various change can be done to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (9)
1. a medical centrifugal, it is characterized in that, comprise centrifugal body (1), be located at described centrifugal body (1) mouth of pipe place pipe lid (2) and be located at the inner suction pipe (3) of described centrifugal body (1);
Described pipe lid (2) is provided with perforate (4) and for opening the hole cap (5) with airtight described perforate (4), and one end of described suction pipe (3) is communicated with described perforate (4), the other end contacts or close to the bottom of described centrifugal body (1);
Described pipe lid (2) is also provided with the ventilative through hole (6) that the inside to described centrifugal body (1) extends, and is provided with air-permeable anti-bacterial film (7) in described ventilative through hole (6).
2. medical centrifugal according to claim 1, is characterized in that, the center of described pipe lid (2) is located in described perforate (4).
3. medical centrifugal according to claim 1, it is characterized in that, described perforate (4) has the protuberance (8) that the top to described pipe lid (2) extends, and is formed to be threaded or to embed to be connected between described protuberance (8) with described hole cap (5).
4. medical centrifugal according to claim 1, is characterized in that, the caliber of described suction pipe (3) is 0.3 ~ 1mm.
5. medical centrifugal according to claim 4, is characterized in that, the caliber of described suction pipe (3) is 1mm.
6. medical centrifugal according to claim 1, is characterized in that, the formation inclined-plane, bottom of described suction pipe (3).
7. medical centrifugal according to claim 1, is characterized in that, is also provided with the connecting portion (9) connecting described hole cap (5) and described pipe lid (2).
8. medical centrifugal according to claim 1, is characterized in that, back taper is formed on the bottom of described centrifugal body (1).
9. medical centrifugal according to any one of claim 1 to 8, is characterized in that, described centrifugal body (1) and described pipe lid (2) are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520291984.3U CN204638369U (en) | 2015-05-07 | 2015-05-07 | A kind of medical centrifugal |
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| CN201520291984.3U CN204638369U (en) | 2015-05-07 | 2015-05-07 | A kind of medical centrifugal |
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| CN204638369U true CN204638369U (en) | 2015-09-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815764A (en) * | 2015-05-07 | 2015-08-05 | 上海交通大学附属第六人民医院 | Medical centrifugal tube and method used for producing platelet rich plasma |
| CN112547319A (en) * | 2020-11-23 | 2021-03-26 | 西安大兴医院 | Epidemic prevention work is with blood treatment device of blood transfusion branch of academic or vocational study |
-
2015
- 2015-05-07 CN CN201520291984.3U patent/CN204638369U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815764A (en) * | 2015-05-07 | 2015-08-05 | 上海交通大学附属第六人民医院 | Medical centrifugal tube and method used for producing platelet rich plasma |
| CN112547319A (en) * | 2020-11-23 | 2021-03-26 | 西安大兴医院 | Epidemic prevention work is with blood treatment device of blood transfusion branch of academic or vocational study |
| CN112547319B (en) * | 2020-11-23 | 2022-03-29 | 西安大兴医院 | Blood treatment device for blood transfusion department |
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