CN209332813U - A kind of blood storage bag for extracorporeal blood test - Google Patents
A kind of blood storage bag for extracorporeal blood test Download PDFInfo
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- CN209332813U CN209332813U CN201820289903.XU CN201820289903U CN209332813U CN 209332813 U CN209332813 U CN 209332813U CN 201820289903 U CN201820289903 U CN 201820289903U CN 209332813 U CN209332813 U CN 209332813U
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Abstract
The utility model provides a kind of blood storage bag for extracorporeal blood test, including blood bag main body, inlet tube, sampling pipe, outlet, exhaust pipe and triple valve.Blood bag main body uses enclosed construction.The interior shape of blood bag main body is polygon.The side of blood bag main body is provided with inlet tube, sampling pipe and the outlet being connected to its inside, and the opposite side of inlet tube is provided with the exhaust pipe being connected to blood bag body interior.Shape positioned at the blood bag body interior of inlet tube opposite side is meander line structure, meander line structure is made of several line segment head and the tail connections, every two adjacent segments are obtuse angle in the angle of blood bag body interior, and the end that blood bag body exterior is located on sampling pipe and exhaust pipe is provided with triple valve.A kind of blood storage bag for extracorporeal blood test described in the utility model is reasonable in design, has many advantages, such as that exhaust and convenient, good airproof performance, blood are uniformly mixed, test data is accurate.
Description
Technical field
The utility model belongs to the field of medical instrument technology, more particularly, to a kind of storage blood for extracorporeal blood test
Bag.
Background technique
Blood bag is that have blood taking bag, transfusion bags etc., type is different, and specification is not using very extensive medical supplies in medical treatment
One.But currently without a blood bag suitable for extracorporeal blood test.Extracorporeal blood test is mainly used for Medical Devices, such as artificial
Heart, ECMO etc., these Medical Devices are entering clinical trial and are being tested using extracorporeal blood is preceding had to pass through with various to its
Performance is evaluated.As a kind of blood storage bag for extracorporeal blood test, it is necessary to there is good blood compatibility, make blood
Liquid can be sufficiently mixed in blood bag, and not generate additional mechanical hemolysis due.In addition, being surveyed as one kind for extracorporeal blood
The blood storage bag of examination, it is necessary to be polluted convenient for exhaust, convenient for sampling and avoiding to test blood, and can satisfy different tests
Suspension needed for project and sample mode.Current extracorporeal blood test generally uses mature blood bag, such as blood taking bag, or
Mature blood bag is processed certainly.This processing method can bring many uncertain factors to experiment, easily occur blood bag exhaust it is inconvenient,
Blood bag be vented not clean, blood bag leakproofness is poor, blood mixes uneven, additional mechanical hemolysis due, free hemoglobin data not
The problems such as accurate.Therefore, design it is a kind of for extracorporeal blood test blood storage bag have very important realistic meaning.
Utility model content
In view of this, the utility model is directed to a kind of blood storage bag for extracorporeal blood test, to solve in vitro
The blood bag exhaust easily occurred in blood testing experiment is inconvenient, blood bag exhaust is not clean, blood bag leakproofness is poor, blood mixing is uneven
Even, additional mechanical hemolysis due, the problems such as free hemoglobin data are inaccurate.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of blood storage bag for extracorporeal blood test, including blood bag main body, inlet tube, sampling pipe, outlet, exhaust pipe
And triple valve, the blood bag main body use enclosed construction, the interior shape of the blood bag main body is polygon, the blood bag master
The side of body is provided with inlet tube, sampling pipe and outlet, and sampling pipe is between inlet tube and outlet, the inlet tube
The inside of blood bag main body and in communication is partially protruded into sampling pipe, the outlet is connected to blood bag body interior, described
Exhaust pipe is set to the opposite side of inlet tube and is connected to blood bag body interior, the blood bag main body positioned at inlet tube opposite side
Internal shape is meander line structure, and the meander line structure is made of several line segment head and the tail connections, and every two adjacent segments are in blood
The angle of bag body interior is obtuse angle, and the end on the sampling pipe and exhaust pipe positioned at blood bag body exterior is provided with three
Port valve.
Further, the outer shape of the blood bag main body is rectangle, two short sides of the outside of the blood bag main body
Respectively the first short side and the second short side, the inside of the blood bag main body is meander line structure close to the side of the second short side, described
Meander line structure is made of the head and the tail connection of three line segments, three line segments be respectively two oblique line sections being obliquely installed with the second short side and
With the second short side parallel segment disposed in parallel, the parallel segment is located among two oblique line sections, every two adjacent lines
Section is obtuse angle in the angle of blood bag body interior.
Further, as the straight line where the long side of the blood bag body exterior, the straight line where parallel segment and appoint
In the right angled triangle of one oblique line section composition, the length of two right-angle sides of the right angled triangle is respectively 20-70mm and 15-
45mm。
Further, two oblique line sections of the meander line structure are axial symmetry setting about the perpendicular bisector of the second short side.
Further, it is 10-200mm that the inlet tube and outlet, which are located at the length of blood bag body exterior, it is described into
The length that mouth pipe protrudes into blood bag body interior is 60-120mm, and the length that the outlet protrudes into blood bag body interior is 0-
50mm。
Further, the inlet tube and outlet protrude on the tube wall of blood bag body interior that be equipped with several first logical
Hole, the quantity of first through hole is 6-12 on the tube wall of the inlet tube, the quantity of first through hole on the tube wall of the outlet
It is 0-4.
Further, the length that the sampling pipe is located at blood bag body exterior is 10-200mm, and the sampling pipe protrudes into blood
The length of bag body interior is 0-100mm, and the length that the exhaust pipe is located at blood bag body exterior is 10-200mm.
Further, the internal diameter of the inlet tube and outlet is 8-12mm, and outer diameter is 10-15mm；The sampling
The internal diameter of pipe and exhaust pipe is 3-5mm, and outer diameter is 4-8mm.
Further, the volume of the blood bag main body is 400-800mmL.
Further, the outside of the blood bag main body is equipped with several the second through-holes for suspension.
Compared with the existing technology, a kind of blood storage bag for extracorporeal blood test described in the utility model has following excellent
Gesture:
(1) a kind of blood storage bag for extracorporeal blood test described in the utility model to the shape of blood bag body interior into
It has gone optimization, can be avoided the generation of additional mechanical hemolysis due；In addition, inlet tube, sampling pipe, outlet and exhaust pipe are adopted
With existing dimensional standard, convenient for the connection of blood bag and other Medical Devices.
(2) position of a kind of blood storage bag for extracorporeal blood test described in the utility model to exhaust outlet and thief hatch
It is optimized, exhaust outlet is arranged in the top of blood bag, convenient for exhaust；Thief hatch is arranged at the abundant mixed flow region of blood, keeps away
It is too high or too low to exempt from the free hemoglobin inspected by random samples in blood, can guarantee that thief hatch blood is uniformly mixed, and then avoids influencing to survey
The accuracy of test result.
(3) if a kind of blood storage bag for extracorporeal blood test described in the utility model is equipped in the outside of blood bag main body
The dry through-hole for suspension, suspension needed for can satisfy different test items and sample mode.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of structural schematic diagram of the blood storage bag for extracorporeal blood test described in the utility model embodiment；
Fig. 2 is the blood flow signal in a kind of blood storage bag for extracorporeal blood test described in the utility model embodiment
Figure.
Description of symbols:
1, blood bag main body；2, the first short side；3, the second short side；4, inlet tube；5, sampling pipe；6, outlet；7, exhaust pipe；
8, triple valve；9, first through hole；10, the second through-hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
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, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 2, a kind of blood storage bag for extracorporeal blood test, including blood bag main body 1, inlet tube 4, adopt
Sample pipe 5, outlet 6, exhaust pipe 7 and triple valve 8.
Blood bag main body 1 uses enclosed construction, and the outer shape of blood bag main body 1 is that rectangle (can also be any other shape
Shape), two short sides of the outside of blood bag main body 1 are respectively the first short side 2 and the second short side 3, and the inside of blood bag main body 1 is close to
The side of two short sides 3 is meander line structure, and meander line structure is made of three line segments (or a plurality of line segment) head and the tail connection, three line segments point
Two oblique line sections Wei not being obliquely installed with the second short side 3 and with the parallel segment disposed in parallel of the second short side 3, parallel lines
Section is located among two oblique line sections, and angle of every two adjacent segments inside blood bag main body 1 is obtuse angle.Two of meander line structure
Oblique line section is axial symmetry (or non-axis symmetry) setting about the perpendicular bisector of the second short side 3.By the long side institute outside blood bag main body 1
Straight line, the straight line where parallel segment and any oblique line section composition right angled triangle in, two of the right angled triangle
The length of right-angle side is respectively 20-70mm and 15-45mm.The design of meander line structure is conducive to increase by 1 internal blood of blood bag main body
Mixed flow and reduce shearing force, to be effectively prevented from the generation of additional mechanical hemolysis due.The volume of blood bag main body 1 is 400-
800mmL.In addition, such as using the method for die sinking, guaranteeing entire material and processing technology strict control that this blood storage bag is selected
The case where leakage will not occur in use in blood storage bag.
The side of blood bag main body 1 is provided with inlet tube 4, sampling pipe 5 and outlet 6, and sampling pipe 5 is located at 4 He of inlet tube
Between outlet 6, inlet tube 4 and sampling pipe 5 partially protrude into the inside of blood bag main body 1 and in communication, outlet 6 and blood bag
It is connected to inside main body 1.It is 10-200mm that inlet tube 4 and outlet 6, which are located at the length outside blood bag main body 1, and inlet tube 4 protrudes into
Length inside blood bag main body 1 is 60-120mm, and it is 0-50mm that outlet 6, which protrudes into the length inside blood bag main body 1,.Inlet tube 4
Several first through hole 9 are equipped on the tube wall protruded into inside blood bag main body 1 with outlet 6, the shape of first through hole 9 is circle
Shape, ellipse or other arbitrary shapes.The quantity of first through hole 9 is 6-12 on the tube wall of inlet tube 4, the tube wall of outlet 6
The quantity of upper first through hole 9 is 0-4.The internal diameter of inlet tube 4 and outlet 6 is 8-12mm, and outer diameter is 10-15mm.Row
Tracheae 7 be set to the opposite side of inlet tube 4 and be connected to inside blood bag main body 1.It is located at blood bag on sampling pipe 5 and exhaust pipe 7
End outside main body 1 is provided with triple valve 8.It is 10-200mm that sampling pipe 5, which is located at the length outside blood bag main body 1, is adopted
It is 0-100mm that sample pipe 5, which protrudes into the length inside blood bag main body 1, and it is 10- that exhaust pipe 7, which is located at the length outside blood bag main body 1,
200mm.The internal diameter of sampling pipe 5 and exhaust pipe 7 is 3-5mm, and outer diameter is 4-8mm.Inlet tube 4, sampling pipe 5,6 and of outlet
Exhaust pipe 7 is all made of existing dimensional standard, convenient for the connection with other Medical Devices.This blood storage bag is to exhaust outlet and thief hatch position
It sets and optimizes, exhaust outlet is arranged in the top of blood bag, convenient for exhaust；Thief hatch is arranged at the abundant mixed flow region of blood, keeps away
It is too high or too low to exempt from the free hemoglobin inspected by random samples in blood, can guarantee that thief hatch blood is uniformly mixed, and then avoids influencing to survey
The accuracy of test result.
The outside of blood bag main body 1 is equipped with several the second through-holes 10 for suspension, to guarantee to meet different tests
Suspension needed for project and sample mode.
The specific working mode 1 of the utility model: blood storage bag described in the utility model is used for the blood of artificial heart pump
In liquid test.This blood storage bag is fixed by the second through-hole 10 suspension being equipped with outside blood bag main body 1, makes one where exhaust pipe 7
End is upward.The triple valve 8 on exhaust pipe 7 is opened, escapes the gas in blood storage bag sufficiently, closes triple valve 8.Then blood will be stored up
The inlet tube 4 of bag is connect with the outlet 6 of artificial heart pump, and the outlet 6 of blood storage bag and the inlet tube 4 of artificial heart pump are connected
It connects.Artificial heart pump is opened, blood is flowed out by the interior pump of artificial heart pump, flows into blood bag main body by the inlet tube 4 of blood storage bag
1, a part of blood is flowed into from the first through hole 9 on inlet tube 4, and a part of blood protrudes into inside blood bag main body 1 from inlet tube 4
Port flows into, and blood, which then flows through, can be effectively avoided the polyhedral structure that additional mechanical hemolysis due occurs, a part of blood
It is flowed out from the first through hole 9 on outlet 6, a part of blood is located at the port outside blood bag main body 1 from outlet 6 and flows out, blood
Liquid forms multiple circulation in the inside of blood bag main body 1, is sufficiently mixed the blood inside blood bag main body 1.Therefore, at sampling pipe 5
Blood be blood after mixing, can guarantee the accuracy of sample detecting result, such as detect hemolysis index, then mixing is equal
The free hemoglobin in blood after even can represent the hemolysis levels of whole system.
The specific working mode 2 of the utility model: blood storage bag described in the utility model is used for extracorporeal membrane oxygenation
(ECMO) in equipment test, the capital equipment of ECMO has blood pump, and membrane lung connects artificial kidney etc. sometimes.Outside by blood bag main body 1
This blood storage bag is fixed in the second through-hole 10 suspension that portion is equipped with, and one end where making exhaust pipe 7 is upward.Open three on exhaust pipe 7
Port valve 8 escapes the gas in blood storage bag sufficiently, closes triple valve 8.The outlet 6 of blood storage bag is connect with the entrance of blood pump,
The outlet of blood pump and the entrance of membrane lung connect, and the outlet of membrane lung and the inlet tube 4 of blood storage bag connect, wherein blood pump and blood storage bag group
That closes is functionally similar to human heart, and membrane lung is similar to human lung.In actual use, blood is flowed out from human body,
Enter blood bag main body 1 by the inlet tube 4 of blood storage bag, a part of blood is flowed into from the first through hole 9 on inlet tube 4, a part
Blood protrudes into the port inside blood bag main body 1 from inlet tube 4 and flows into, and blood, which then flows through, can be effectively avoided additional machinery
Property the polyhedral structure that occurs of haemolysis, a part of blood flows out from the first through hole 9 on outlet 6, and a part of blood is from outlet 6
Port outflow outside blood bag main body 1, the blood of outflow are flowed into blood pump, are flowed into membrane lung by the outlet of blood pump
In, it realizes that oxygen closes in membrane lung, finally flows back to human body, complete circulation.Before ECMO formally puts into clinical use, need to carry out
A series of extracorporeal blood test, needs to carry out sampling test to the blood after test.Therefore, the effect of blood storage bag is to Guan Chong
It wants, the blood in the blood storage bag of the utility model can form multiple circulation, be sufficiently mixed the blood inside blood bag main body 1.It adopts
Blood at sample pipe 5 is blood after mixing, can guarantee the accuracy of sample detecting result.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of blood storage bag for extracorporeal blood test, it is characterised in that: including blood bag main body (1), inlet tube (4), sampling
(5), outlet (6), exhaust pipe (7) and triple valve (8) are managed, the blood bag main body (1) uses enclosed construction, the blood bag master
The interior shape of body (1) is polygon, and the side of the blood bag main body (1) is provided with inlet tube (4), sampling pipe (5) and outlet
It manages (6), and sampling pipe (5) is located between inlet tube (4) and outlet (6), the inlet tube (4) and sampling pipe (5) part
The inside of blood bag main body (1) and in communication is protruded into, is connected to inside the outlet (6) and blood bag main body (1), the exhaust pipe
(7) it is set to the opposite side of inlet tube (4) and is connected to blood bag main body (1) inside, be located at the blood of inlet tube (4) opposite side
The internal shape of bag main body (1) is meander line structure, and the meander line structure is made of several line segment head and the tail connections, and every two adjacent
Line segment is obtuse angle in the internal angle of blood bag main body (1), is located at blood bag main body (1) outside on the sampling pipe (5) and exhaust pipe (7)
The end in portion is provided with triple valve (8).
2. a kind of blood storage bag for extracorporeal blood test according to claim 1, it is characterised in that: the blood bag main body
(1) outer shape is rectangle, and two short sides of the outside of the blood bag main body (1) are respectively the first short side (2) and second
Short side (3), the inside of the blood bag main body (1) are meander line structure close to the side of the second short side (3), and the meander line structure is by three
Line segment head and the tail connection composition, three line segments be respectively two oblique line sections being obliquely installed with the second short side (3) and with it is second short
Side (3) parallel segment disposed in parallel, the parallel segment are located among two oblique line sections.
3. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: by described
The right angle trigonometry of straight line where the external long side of blood bag main body (1), the straight line where parallel segment and any oblique line section composition
In shape, the length of two right-angle sides of the right angled triangle is respectively 20-70mm and 15-45mm.
4. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the broken line
Two oblique line sections of structure are axial symmetry setting about the perpendicular bisector of the second short side (3).
5. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the import
It is 10-200mm that pipe (4) and outlet (6), which are located at the external length of blood bag main body (1), and the inlet tube (4) protrudes into blood bag master
The internal length of body (1) is 60-120mm, and it is 0-50mm that the outlet (6), which protrudes into the internal length of blood bag main body (1),.
6. a kind of blood storage bag for extracorporeal blood test according to claim 5, it is characterised in that: the inlet tube
(4) it protrudes on the internal tube wall of blood bag main body (1) with outlet (6) and is equipped with several first through hole (9), the inlet tube
(4) quantity of first through hole (9) is 6-12 on tube wall, and the quantity of first through hole (9) is on the tube wall of the outlet (6)
0-4.
7. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the sampling
It is 10-200mm that pipe (5), which is located at the external length of blood bag main body (1), and the sampling pipe (5) protrudes into the internal length of blood bag main body (1)
Degree is 0-100mm, and it is 10-200mm that the exhaust pipe (7), which is located at the external length of blood bag main body (1),.
8. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the import
The internal diameter for managing (4) and outlet (6) is 8-12mm, and outer diameter is 10-15mm；The sampling pipe (5) and exhaust pipe (7) it is interior
Diameter is 3-5mm, and outer diameter is 4-8mm.
9. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the blood bag
The volume of main body (1) is 400-800mmL.
10. a kind of blood storage bag for extracorporeal blood test according to claim 1 or 2, it is characterised in that: the blood bag
The outside of main body (1) is equipped with several the second through-holes (10) for suspension.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820289903.XU CN209332813U (en) | 2018-03-01 | 2018-03-01 | A kind of blood storage bag for extracorporeal blood test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820289903.XU CN209332813U (en) | 2018-03-01 | 2018-03-01 | A kind of blood storage bag for extracorporeal blood test |
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| Publication Number | Publication Date |
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| CN209332813U true CN209332813U (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355178A (en) * | 2018-03-01 | 2018-08-03 | 北京安生生物技术有限责任公司 | A kind of blood storage bag for extracorporeal blood test |
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2018
- 2018-03-01 CN CN201820289903.XU patent/CN209332813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355178A (en) * | 2018-03-01 | 2018-08-03 | 北京安生生物技术有限责任公司 | A kind of blood storage bag for extracorporeal blood test |
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