CN209529144U - Venous blood sample collection needle and blood sampling group set - Google Patents
Venous blood sample collection needle and blood sampling group set Download PDFInfo
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- CN209529144U CN209529144U CN201820154382.7U CN201820154382U CN209529144U CN 209529144 U CN209529144 U CN 209529144U CN 201820154382 U CN201820154382 U CN 201820154382U CN 209529144 U CN209529144 U CN 209529144U
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Abstract
The utility model provides a kind of venous blood sample collection needle and blood sampling group set, it is related to medical apparatus technical field, venous blood sample collection needle provided by the utility model, including vein blood taking needle, pipe close puncture needle and the interconnecting piece for connecting vein blood taking needle and pipe close puncture needle, wherein, interconnecting piece is provided with counterflow-preventing unit, the blood another mistake of extraction can be effectively prevent to flow back in human body, the blood for avoiding microbiological contamination enters human body and causes harm to the human body.Additionally it is possible to remove the aseptic process to blood collecting containers entirety, save the cost from.Venous blood sample collection needle further includes the heparin tube being connected with pipe close puncture needle, is provided with retention device in heparin tube, to effectively prevent the generation of haemolysis.Blood sampling group set provided by the utility model, the venous blood sample collection needle provided in fact including support of blood collecting pipe and the utility model.Guarantee heparin tube will not be caused to skid off easily because support of blood collecting pipe shakes in use, causes blood sample pollution or heparin tube damaged.
Description
Technical field
The present invention relates to medical apparatus technical fields, more particularly, to a kind of venous blood sample collection needle and blood sampling group set.
Background technique
In the medical field, medical staff is acquired by various means, obtains Human Physiology, pathological information, for correct
It diagnoses the illness, wherein usually having following three kinds of approach to the acquisition of blood preparation: 1. subcutaneous blood sampling is chiefly used in blood constituent
Simple differential counting detection, use subcutaneous blood taking needle.2. venous blood collection, can to hematology, the endogenous aetology of blood and its
He is detected related discipline index in detail, using very extensively in clinic, uses pen type or split type vein blood taking needle more.③
Arterial blood drawing, mostly in critical acute disease to aterial blood gas indexes following detect, application is less, mostly using arterial blood drawing special syringe into
Row acquisition.Acquisition and inspection to blood preparation, the purpose is to pass through the analysis detection to blood constituent, acquisition blood blood component
And in blood bacteriology, virological infection level detection, to understand Human Physiology and pathologic condition, or understand drug therapy
Effect afterwards, and to the development of disease, lapse to and prognosis judges.
Wherein, venous blood collection is the most common Blood collection.But in actual operation, occur often in human vein blood sampling
The case where blood back flow the Huis' body in blood collecting containers, so, it is to be made with sterile form in the production standard of blood collecting containers
Fixed.But negative pressure blood-taking tube is all glass mostly, the reagent in blood collecting containers is embodied in a manner of viable bacteria
, so, to blood collecting containers integrally sterile processing method with regard to extremely difficult.Also, in blood collection procedure, also often because
Relatively large for the negative pressure in heparin tube, blood flows directly into heparin tube tube bottom fast speed, and red blood cell mutually hits and causes
Cell rupture generates haemolysis.
Therefore, developing one kind can effectively prevent in blood back flow the Huis' body of extraction, and can effectively avoid haemolysis existing
As the venous blood sample collection needle of generation is particularly important.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first purpose of this invention is to provide a kind of venous blood sample collection needle, to alleviate existing in the prior art adopt
Reversely floing back towards in human body occurs often in blood out, and occurs the technical issues of the case where haemolysis often.
Second object of the present invention is to provide a kind of blood sampling group set.
The present invention provides a kind of venous blood sample collection needle, the venous blood sample collection needle includes: vein blood taking needle, pipe close
The interconnecting piece of puncture needle and the connection vein blood taking needle and pipe close puncture needle；
The interconnecting piece is provided with counterflow-preventing unit, for preventing the blood back flow of extraction from returning vein；
The venous blood sample collection needle further includes the heparin tube being connected with the pipe close puncture needle, setting in the heparin tube
There is retention device, for stopping the blood entered in heparin tube by pipe close puncture needle directly to collide in tube bottom.
Further, the interconnecting piece includes sequentially connected blood sampling needle handle, connection hose and Paracentesis needle holder.
Further, the blood sampling needle handle is connect with vein blood taking needle, and the Paracentesis needle holder is connect with pipe close puncture needle.
Further, it is equipped with cavity in the Paracentesis needle holder, is provided with counterflow-preventing unit fixing seat in the cavity, it is described
Counterflow-preventing unit is equipped in counterflow-preventing unit fixing seat.
Further, the blood sampling needle handle includes the first grip part and the second grip part, first grip part and second
Grip part is hinged, and the vein blood taking needle is set to the hinged place of the first grip part and the second grip part；
First grip part and second grip portion are not equipped with bonding piece, for gluing the blood sampling needle handle with skin
Knot.
Further, it is provided with the first adhesive layer and the first release paper on the first face of first grip part, described
The second adhesive layer and the second release paper are provided on first face of two grip parts, and the first face of the first grip part is held with second
First face in portion is opposite, when so that the two fastening, the first adhesive layer and the second release paper fastening, and the second adhesive layer and first release
Paper fastens.
Further, first grip part pushes structure aside including first, and the second grip part pushes structure aside including second, institute
It states first and pushes structure and second aside and push structure aside and shift to install.
Further, the heparin tube includes pipe close and tube body；
It is provided with resilient mounting on the pipe close, for making in tube body in rebound for negative pressure.
Further, it is arranged with blood taking needle protective case outside the vein blood taking needle, is arranged with and wears outside the pipe close puncture needle
Pricker protective case.
In addition, the present invention also provides a kind of blood sampling group sets, including support of blood collecting pipe and above-mentioned venous blood sample collection needle.
Venous blood sample collection needle provided by the invention, including vein blood taking needle, pipe close puncture needle and connection vein blood taking needle
With the interconnecting piece of pipe close puncture needle, wherein interconnecting piece is provided with counterflow-preventing unit.In blood collection procedure, counterflow-preventing unit is out
It puts, the blood of extraction can be by interconnecting piece, after blood collection, and counterflow-preventing unit is closed immediately, the blood of extraction
Interconnecting piece adverse current can not be passed through.By the setting of counterflow-preventing unit, it can guarantee that the blood of extraction can only be led to by vein blood taking needle
It crosses interconnecting piece to flow to the direction of pipe close puncture needle, effectively prevent the blood another mistake of extraction to flow back in human body, avoid microbiological contamination
Blood enters human body and causes harm to the human body.Additionally it is possible to remove the aseptic process to blood collecting containers entirety from, save at
This.Venous blood sample collection needle provided by the invention further includes the heparin tube being connected with pipe close puncture needle, and resistance is provided in heparin tube
Blocking means, for stopping the blood entered in heparin tube by pipe close puncture needle directly to collide in tube bottom, to effectively prevent molten
The generation of blood phenomenon.
Blood sampling group set provided by the invention, the venous blood sample collection needle provided in fact including support of blood collecting pipe and the present invention.Wherein,
The aperture of heparin tube putting hole in support of blood collecting pipe and the outer diameter of used heparin tube match, to guarantee in use process
In heparin tube will not be caused to skid off easily because support of blood collecting pipe shakes, lead to that blood sample pollutes or heparin tube is damaged.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the venous blood sample collection needle that the embodiment of the present invention 1 provides；
Fig. 2 is the structural schematic diagram for the blood sampling needle handle that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram for the heparin tube for being provided with resilient mounting that the embodiment of the present invention 1 provides；
Fig. 4 is the structural schematic diagram for the heparin tube for being provided with retention device that the embodiment of the present invention 1 provides.
Icon: 1- vein blood taking needle；2- pipe close puncture needle；3- counterflow-preventing unit；4- blood sampling needle handle；5- connection hose；6-
Paracentesis needle holder；7- counterflow-preventing unit fixing seat；The first adhesive layer of 81-；The first release paper of 82-；83- first pushes structure aside；91-
Two adhesive layers；The second release paper of 92-；93- second pushes structure aside；11- pipe close；12- tube body；13- resilient mounting；14- stops dress
It sets；15- blood taking needle protective case；16- puncture needle protective case.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of venous blood sample collection needle, which includes that vein is adopted
Blood needle 1, pipe close puncture needle 2 and the interconnecting piece for connecting vein blood taking needle 1 and pipe close puncture needle 2.
Interconnecting piece is provided with counterflow-preventing unit 3, for preventing the blood back flow of extraction from returning vein.
Wherein, vein blood taking needle 1 makes venous blood sample collection needle provided by the invention and vein for puncturing into vein blood vessel
Blood vessel is connected；Pipe close puncture needle 2 for puncturing into blood collection device, make venous blood sample collection needle provided by the invention with
Blood collection device is connected.
Without limitation to the specific structure of interconnecting piece, the device of vein blood taking needle 1 and pipe close puncture needle 2 can be tightly connected
It can be used as interconnecting piece of the present invention, such as can be, but be not limited to rubber hose or plastic flexible pipe.Counterflow-preventing unit 3
For check valve or uniguide.
As shown in figure 4, venous blood sample collection needle further includes the heparin tube being connected with the pipe close puncture needle 2.
Wherein, heparin tube is blood collection device, without limitation to the material of heparin tube, such as can be, but be not limited to
Glass heparin tube or plastic blood sampling pipe.
Retention device 14 is provided in heparin tube, for stopping the blood entered in heparin tube by pipe close puncture needle 2 direct
It is collided in tube bottom.
In blood collection procedure, leads to the collected blood failure of institute the case where generation haemolysis sometimes, cannot use.When
When the negative pressure of heparin tube is relatively large, blood sampling is initial, and blood flows directly into heparin tube tube bottom fast speed, red blood cell meeting in blood
Lead to cell rupture because mutually hitting, clinic is known as haemolysis.
Retention device 14 is arranged inside heparin tube, without limitation to the structure of retention device 14, such as can be, but not
It is limited to one end to connect with blood sampling inside pipe wall, the hanging baffle of the other end, and one end that the baffle connects with heparin tube is higher than vacantly
One end fall into heparin tube bottom from hanging position to guarantee to slide after the blood of extraction is fallen on baffle to hanging one end
Portion, to effectively prevent the generation of haemolysis.
Venous blood sample collection needle provided by the invention, in blood collection procedure, counterflow-preventing unit is open, the blood of extraction
Can be by interconnecting piece, after blood collection, counterflow-preventing unit is closed immediately, and the blood of extraction can not be inverse by interconnecting piece
Stream.By the setting of counterflow-preventing unit, it can guarantee that the blood of extraction can only be worn by interconnecting piece to pipe close from vein blood taking needle
The direction of pricker is flowed, and the blood another mistake of extraction is effectively prevent to flow back in human body, and the blood for avoiding microbiological contamination enters human body and right
Human body damages.Additionally it is possible to remove the aseptic process to blood collecting containers entirety, save the cost from.Resistance provided by the invention
Blocking means, for stopping the blood entered in heparin tube by pipe close puncture needle directly to collide in tube bottom, to effectively prevent molten
The generation of blood phenomenon.
In one preferred embodiment, interconnecting piece includes sequentially connected blood sampling needle handle 4, connection hose 5 and punctures
Needle stand 6.
Wherein, blood sampling needle handle 4 is connect with vein blood taking needle 1, and Paracentesis needle holder 6 is connect with pipe close puncture needle 2.Paracentesis needle holder 6
It is interior to be equipped with cavity, it is provided with counterflow-preventing unit fixing seat 7 in cavity, is equipped with counterflow-preventing list in the counterflow-preventing unit fixing seat 7
Member 3.
In one preferred embodiment, blood sampling needle handle 4 includes the first grip part and the second grip part, the first grip part
Hinged with the second grip part, vein blood taking needle 1 is set to the hinged place of the first grip part and the second grip part.
Wherein, the first grip part and second grip portion are not equipped with bonding piece, for will take a blood sample needle handle 4 and skin adhesive.
Using the bonding piece being arranged on the first grip part and the second grip part, accurately punctured in vein blood taking needle 1 in meditation
After arteries and veins, blood sampling needle handle 4 can be fixed with skin adhesive, avoid Nurses after vein blood taking needle 1 is punctured into vein, need
Blood sampling needle handle 4 is held on the other hand, only uses another hand one-handed performance, the larger technical problem of difficulty.When blood sampling needle handle 4 and skin are viscous
After knot is fixed, Nurses can with the hands carry out other operations, more convenient, quick, reduce fault rate.
As shown in Fig. 2, in one preferred embodiment, being provided with the first adhesive layer on the first face of the first grip part
81 and first release paper 82, the second adhesive layer 91 and the second release paper 92, and first are provided on the first face of the second grip part
First face of grip part and the first face of the second grip part are opposite, when so that the two fastening, the first adhesive layer 81 and second release
Paper 92 fastens, and the second adhesive layer 91 and the first release paper 82 fasten.
Venous blood sample collection needle provided by the invention before use, the first grip part and the second grip part are buckling state,
That is the first adhesive layer 81 and the second release paper 92 fasten, and the second adhesive layer 91 and the first release paper 82 fasten, to guarantee the first glue
Adhesion coating 81 and the second adhesive layer 91 do not have gluing and act on using preceding and be not exposed to outer, on the one hand can be to avoid gluing
Long-term exposes of layer does not use but and adhesive layer is caused to fail, and on the other hand also avoids adhesive layer and is exposed to outside, in venous samples
It will cause inconvenience in the movement of acquisition needle or use process.
Venous blood sample collection needle provided by the invention when in use, Nurses first by the first grip part of buckling state and
Second grip part is opened, and is exposed to adhesive layer outer, and towards skin side.Then vein blood taking needle 1 is punctured into venous blood
In pipe, confirmation puncture it is accurate after, the first grip part and the second grip part can be pressed lightly on and are allowed to and skin contact, make gluing
Layer and skin gluing, so that blood sampling needle handle 4 be fixed with skin, Nurses can with the hands carry out other operations, more convenient,
Fast, fault rate is reduced.
In one preferred embodiment, the first grip part includes first pushing structure 83 aside, and the second grip part includes the
Two push structure 93 aside, wherein first, which pushes structure 83 and second aside, pushes structure 93 aside and shift to install.
First, which pushes structure 83 and second aside, pushes structure 93 aside and shifts to install, and can guarantee to use the present embodiment when Nurses
When the venous blood sample collection needle of offer, it is easy to distinguish the two, and push structure 83 and second aside for first and push structure 93 aside
It pushes aside in the opposite direction, can be realized and open the first grip part of buckling state and the second grip part, it is easy to operate, it is easy to apply
Row.
As shown in figure 3, in one preferred embodiment, heparin tube includes pipe close 11 and tube body 12.
Resilient mounting 13 is provided on pipe close 11, for making in tube body 12 in rebound for negative pressure.
It is negative pressure in tube body 12, can guarantees that blood can automatically flow into tube body 12 in intravenous blood collection.Work as tube body
When negative pressure in 12 disappears or negative pressure is not big enough, heparin tube will lead into blood slowly or acquisition oligemia.At this point, Nurses
Resilient mounting 13 is opened, resilient mounting 13 is sucked out by the gas in tube body 12, to make to be maintained negative pressure shape in tube body 12
State guarantees that venous blood can smoothly enter into heparin tube, can avoid puncturing repeatedly and causing patient suffering.
Wherein, without limitation to resilient mounting 13, can satisfy needs internal full gas to can be only achieved rebound state,
Such as can be, but be not limited to rubber pipette bulb or the negative pressure device equipped with piston.
In one preferred embodiment, blood taking needle protective case 15, pipe close puncture needle 2 are arranged with outside vein blood taking needle 1
It is arranged with puncture needle protective case 16 outside.
It is arranged protective case respectively outside vein blood taking needle 1 and pipe close puncture needle 2, on the one hand can guarantee vein blood taking needle 1
It will not be contaminated before use with pipe close puncture needle 2, prevent from puncturing into after human body the therefore adverse consequences such as infection, on the other hand,
Also it can be avoided vein blood taking needle 1 and pipe close puncture needle 2 stab operator before use.
When using venous blood sample collection needle provided in this embodiment, Nurses first pluck blood taking needle protective case 15
Under, then the first grip part of buckling state and the second grip part are opened, are exposed to adhesive layer outer, and towards skin one
Side.Blood sampling needle handle 4 is held, vein blood taking needle 1 is punctured into the vein blood vessel to Nurses, after confirmation punctures accurately, i.e.,
First grip part and the second grip part can be pressed lightly on and are allowed to and skin contact, make adhesive layer and skin gluing, to will adopt
Blood needle handle 4 is fixed with skin.Then puncture needle protective case 16 is taken, pipe close puncture needle 2 is punctured through into pipe close 11 into heparin tube
It is interior.At this point, making counterflow-preventing unit 3 be in open state using the negative pressure in heparin tube, venous blood passes through vein blood taking needle 1, connects
Socket part and pipe close puncture needle 2 enter heparin tube, and are fallen on retention device 14 first, and the hanging one end of backward retention device 14 is sliding
It falls, falls into blood sampling bottom of the tube from hanging position.When blood sampling volume is enough, pipe close puncture needle 2 is extracted from pipe close 11, it is anti-reverse
Stream unit 3 is closed immediately, and the blood of extraction can not be extracted by interconnecting piece adverse current, then by vein blood taking needle 1, completes blood sampling behaviour
Make.
Wherein, if there is not blood return phenomenon or blood flow after pipe close puncture needle 2 is punctured through in the entrance heparin tube of pipe close 11
Slowly, then the openable resilient mounting 13 of Nurses, the gas in tube body 12 is sucked out resilient mounting 13, to make tube body 12
It is inside maintained negative pressure state, counterflow-preventing unit 3 can open, and guarantee that venous blood can smoothly enter into heparin tube.
Embodiment 2
Blood sampling group set provided in this embodiment is improvement on that basis of example 1, technology contents disclosed in embodiment 1
It is not repeated to describe in the present embodiment, 1 disclosure of embodiment also belongs to the present embodiment disclosure, and embodiment 1 is
The technical solution of description also belongs to the present embodiment, and this embodiment is not repeated.
A kind of blood sampling group set is present embodiments provided, blood sampling group set includes that support of blood collecting pipe and the embodiment of the present invention 1 provide
Venous blood sample collection needle.
In the present embodiment, the vein that the aperture of the heparin tube putting hole in support of blood collecting pipe and the embodiment of the present invention 1 provide
The outer diameter of heparin tube in blood specimen collecting needle matches, thus guarantee in use, will not because support of blood collecting pipe shake and
Cause heparin tube to skid off easily, causes blood sample pollution or heparin tube damaged.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of venous blood sample collection needle, which is characterized in that the venous blood sample collection needle includes: vein blood taking needle, and pipe close is worn
The interconnecting piece of pricker and the connection vein blood taking needle and pipe close puncture needle；
The interconnecting piece is provided with counterflow-preventing unit, for preventing the blood back flow of extraction from returning vein；
The venous blood sample collection needle further includes the heparin tube being connected with the pipe close puncture needle, is provided with resistance in the heparin tube
Blocking means, for stopping the blood entered in heparin tube by pipe close puncture needle directly to collide in tube bottom.
2. venous blood sample collection needle according to claim 1, which is characterized in that the interconnecting piece includes sequentially connected adopts
Blood needle handle, connection hose and Paracentesis needle holder.
3. venous blood sample collection needle according to claim 2, which is characterized in that the blood sampling needle handle and vein blood taking needle connect
It connects, the Paracentesis needle holder is connect with pipe close puncture needle.
4. venous blood sample collection needle according to claim 3, which is characterized in that be equipped with cavity, institute in the Paracentesis needle holder
It states and is provided with counterflow-preventing unit fixing seat in cavity, be equipped with counterflow-preventing unit in the counterflow-preventing unit fixing seat.
5. venous blood sample collection needle according to claim 2, which is characterized in that the blood sampling needle handle includes the first grip part
With the second grip part, first grip part and the second grip part are hinged, and the vein blood taking needle is set to the first grip part and the
The hinged place of two grip parts；
First grip part and second grip portion are not equipped with bonding piece, are used for the blood sampling needle handle and skin adhesive.
6. venous blood sample collection needle according to claim 5, which is characterized in that set on the first face of first grip part
It is equipped with the first adhesive layer and the first release paper, the second adhesive layer and second release is provided on the first face of second grip part
Paper, and the first face of the first grip part is opposite with the first face of the second grip part, when so that the two fastening, the first adhesive layer and the
Two release papers fasten, and the second adhesive layer and the first release paper fasten.
7. venous blood sample collection needle according to claim 5, which is characterized in that pushed aside including first first grip part
Structure, the second grip part include second pushing structure aside, and described first, which pushes structure and second aside, pushes structure aside and shift to install.
8. venous blood sample collection needle according to claim 1, which is characterized in that the heparin tube includes pipe close and tube body；
It is provided with resilient mounting on the pipe close, for making in tube body in rebound for negative pressure.
9. venous blood sample collection needle according to claim 1-8, which is characterized in that the vein blood taking needle housing
Equipped with blood taking needle protective case, puncture needle protective case is arranged with outside the pipe close puncture needle.
10. a kind of blood sampling group set, which is characterized in that including support of blood collecting pipe and the described in any item venous samples of claim 1-9
Acquire needle.
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| CN201820154382.7U CN209529144U (en) | 2018-01-30 | 2018-01-30 | Venous blood sample collection needle and blood sampling group set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294764A (en) * | 2018-01-30 | 2018-07-20 | 刘贞宽 | Venous blood collect needle and blood sampling group set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294764A (en) * | 2018-01-30 | 2018-07-20 | 刘贞宽 | Venous blood collect needle and blood sampling group set |
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