CN201734997U - Blood separator - Google Patents
Blood separator Download PDFInfo
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- CN201734997U CN201734997U CN2010202604978U CN201020260497U CN201734997U CN 201734997 U CN201734997 U CN 201734997U CN 2010202604978 U CN2010202604978 U CN 2010202604978U CN 201020260497 U CN201020260497 U CN 201020260497U CN 201734997 U CN201734997 U CN 201734997U
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- blood
- cups
- cavity
- cavitys
- centrifugal
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Abstract
The utility model provides a blood separator, which automatically and synchronously achieves the blood centrifugation and the blood constituent separation and collection in virtue of the centrifugal effect. The blood separator comprises a centrifugal rotor, a centrifugal crankshaft, a fixing base and an auto-control device; four rectangular cavities are formed at the periphery of the circular plane of the centrifugal rotor with equidistance; the broad sides of the cavities are the depths; included angles are respectively formed between the long sides of the cavities and the diameters of the centrifugal rotors passing through the geometric centers of the cavities respectively; rectangular nesting cups are placed in the cavities in a matching way; rotating shafts are arranged at the central bottom of the broad and height sides along the broad sides; two long broad sides form an overturning panel which can overturn around a rotating shaft; and blood bags connected with conduits are accommodated in the nesting cups. The overturning panel can generate the pressure to the blood bags when overturning to one side far away from the centrifugal crankshaft in the centrifugation process, so that liquid in the blood bags is extruded out of the blood bags. The utility model with simple structure and miniaturization ensures that the blood collection in vitro is separated into blood constituents in the shortest time, and is suitable for sporadic blood collection modes in a blood donation vehicle or a blood donation room.
Description
Technical field
This utility model relates to blood component preparation device, relates in particular to a kind of blood separator.
Background technology
At present, the full automatic blood component preparation device of having developed, centrifugal blood and blood component collection are finished synchronously automatically.No matter be multilamellar or single-layer fully-automatic device for preparing blood components, all dispose the blood pressurizing unit, as air bag pressurizing unit or motor pressurizing unit and auxiliary facilities thereof, structure still shows complexity, volume and weight is bigger, is not easy to carry.
Summary of the invention
This utility model provides a kind of blood separator, and the technical problem that solve is to utilize centrifugal pressurizing unit to realize that centrifugal blood separates with blood constituent, collects synchronously and finish automatically.
This utility model is taked following technical scheme for addressing the above problem:
Blood separator comprises devices such as centrifugal rotor, centrifugal arbor, is provided with the structure of settling the blood bag along the centrifugal rotor circumference, and described structure is provided with two or more; Structure is arranged on the same radius circumference or on the different radii circumference, and this structure the long limit of the geometry on centrifugal rotor surface and centrifugal rotor through the geometry center radially between be different angles or identical angle respectively; Have roll-over panels with the rotating shaft of centrifugal rotor Surface Vertical, the blood bag opposing parallel of roll-over panels and positioned vertical corresponding to the structure setting.
The structure of described arrangement blood bag is made up of cavity, and cavity is rectangle, opening makes progress, and broadside is a cavity depth.
Described rotating shaft and roll-over panels are the parts of a set of cups, and a set of cups is rectangle, profile and volume and cavity inner wall fit like a glove; The one side height-wide of a set of cups is the bottom surface, along the bottom width direction rotating shaft is set, and two long-wide faces become can be around the roll-over panels of rotating shaft upset; Upper and lower length-Gao face relative both sides that upset is held by roll-over panels at a set of cups respectively have a recess; A set of cups is placed in the cavity, recess one end and centrifugal rotor rotation direction is arranged in the same way.
One preferred embodiment in, specifically offer four cavitys, be respectively a cavity, No. two cavitys, No. three cavitys and No. four cavitys according to rotating equidirectional ordering with centrifugal rotor.
The geometric center of described cavity upper shed is different angles respectively between the long limit of four cavitys and the diameter through the centrifugal rotor of cavity upper shed geometric center on same circumference; Wherein cavity angle maximum, No. two cavity angles take second place, No. three cavity angles take second place again, No. four cavity angle minimums, and angle is between 90 degree and 0 degree reach.
Place a set of cups separately in a described cavity, No. two cavitys, No. three cavitys and No. four cavitys respectively.
The roll-over panels thickness of described four a set of cups is identical, and thickness is 8mm～2mm; Can select 4mm～2mm.
Described four a set of cups are splendid attire erythrocyte additive bag, blood collection bags, collecting bag a and collecting bag b successively; There is catheter end to be placed on a set of cups in the blood bag recess one end is arranged.
Connecting duct between connecting duct between connecting duct between described erythrocyte additive bag and the blood collection bags, blood collection bags and the collecting bag a, collecting bag a and the collecting bag b is placed in respectively on separately the tubing clamp; Each tubing clamp is installed in respectively on the corresponding position of centrifugal rotor.
Described blood collection bags and collecting bag a connecting duct are through place's device cell detector.
According to rotary principle, when centrifugal rotor rotated, centrifugal inertial force made roll-over panels around the outside upset of axial rotary away from centrifugal arbor, centrifugal inertial force f=m ω
2R,
F-extruding force wherein;
M-roll-over panels 5 quality;
ω-centrifugal rotor 1 rotational angular velocity;
R-roll-over panels 5 radiuses of gyration.
Roll-over panels to the outside with it the blood bag of parallel placement produce extruding force f, as long as by setting quality (m), the radius of gyration (r) of roll-over panels and the rotational angular velocity (ω) of centrifugal rotor of roll-over panels, promptly enough big extruding force f can be obtained, and other any mechanical, electrical pressurizing unit needn't be adopted; When two or more roll-over panels are reasonably designed, can obtain unequal extruding force f
1＞f
2...＞f
nRelation, thereby the transfer of liquid in the different blood bags of realizing being communicated with.
As seen by above-mentioned, usefulness of the present utility model is: simple in structure, miniaturization; Be separated into blood constituent in can be after blood collection the exsomatizes the shortest time; The fragmentary pattern of gathering of blood in the donate blood car and the room of donating blood that is suitable for the present current international practice.
Description of drawings
With specific embodiment this utility model is described in further detail in conjunction with the accompanying drawings.
Fig. 1 is a structural representation of settling the blood bag on the centrifugal rotor;
Fig. 2 is a set of cups structural representation;
Fig. 3 is a blood bag sketch map;
Fig. 4 is four chamber seperator sketch maps.
Figure labeling description: centrifugal rotor 1, centrifugal arbor 2, cavity 3, a set of cups 4, roll-over panels 5, rotating shaft 6, recess 7, blood bag 8, conduit 9, blood bag surface 10, cavity 11, a set of cups 4
1, No. two cavitys 12, a set of cups 4
2, No. three cavitys 13, a set of cups 4
3, No. four cavitys 14, a set of cups 4
4, erythrocyte additive bag 15, blood collection bags 16, collecting bag a 17, collecting bag b18, tubing clamp 19, tubing clamp 20, tubing clamp 21, cell detector 22.
The specific embodiment
Blood separator comprises centrifugal rotor 1, centrifugal arbor 2, centrifuge firm banking and automaton.
As shown in Figure 1, on centrifugal rotor 1 surface a structure-cavity 3 of settling the blood bag is set, cavity 3 is cuboids, and cavity 3 broadsides are the degree of depth, and the opening of cavity 3 upwards; Also corresponding the setting has the roll-over panels 5 of vertical rotating shaft 6 in each cavity 3, roll-over panels 5 can be around rotating shaft 6 upsets, in centrifugal dorsad arbor 2 one sides of roll-over panels 5, with centrifugal rotor 1 plane perpendicular fixed placement blood bag 8, the flat horizontal surface of blood bag 8 reclines mutually with roll-over panels 5.After centrifugal rotor 1 rotates, roll-over panels 5 is rotated (revolution) with centrifugal rotor 1, overturns (rotation) to the outside away from centrifugal arbor 2 around rotating shaft 6 simultaneously, and the fixed blood bag 8 in the outside is produced pressure, when pressure is enough big, liquid in the blood bag 8 can be extruded the blood bag.
When centrifugal rotor 1 circumference is provided with two or more cavitys 3 and roll-over panels 5, for making each roll-over panels 5 produce different extruding force f simultaneously, can be by setting the different quality (m of roll-over panels 5, identical material can be by thickness h substitutional mass m), the different radiuses of gyration (r) realizes.The radius of gyration (r) depends on cavity 3 residing position on centrifugal rotor 1, i.e. two parameters of angle (α) between the diameter of the centrifugal rotor 1 of the long limit of the radius (R) of cavity 3 place circumference and cavity 3 and process cavity 3 upper shed geometric centers.Because on same centrifugal rotor 1, (ω) is identical for angular velocity; Produce extruding force f size and determine that by radius (R) and three factors of angle (α) of quality (m, identical material can be by thickness h substitutional mass m), circumference embodiment has following seven kinds at least.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are identical, on the circumference of centrifugal rotor 1 same radius (R), the angle α between the diameter of the circumference of each cavity 3 and roll-over panels 5 and process geometric center
1＞α
2＞...＞α
n, extruding force f size and angle α
1＞α
2＞...＞α
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are identical, on the circumference of centrifugal rotor 1 different radii (R), R
1＞R
2＞...＞R
n, the angle between the diameter of the circumference of each cavity 3 and roll-over panels 5 and process geometric center is α
1=α
2=...=α
n, extruding force f size and radius R
1＞R
2＞...＞R
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are identical, on the circumference of centrifugal rotor 1 different radii (R), R
1＞R
2＞...＞R
n, the angle between the diameter of the circumference of each cavity 3 and roll-over panels 5 and process geometric center is α
1＞α
2＞...＞α
n, extruding force f size and radius R
1＞R
2＞...＞R
n, with angle α
1＞α
2＞...＞α
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are different, quality m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, on the circumference of centrifugal rotor 1 same radius (R), each cavity 3 and roll-over panels 5 be all α mutually through the angle between the diameter of the circumference of geometric center, extruding force f size is comformity relation with quality m size or thickness h size, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are different, quality m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, on the circumference of centrifugal rotor 1 same radius (R), the angle α between the diameter of the circumference of each cavity 3 and roll-over panels 5 and process geometric center
1＞α
2＞...＞α
n, extruding force f size and m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, with angle α
1＞α
2＞...＞α
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are different, quality m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, centrifugal rotor 1 different radii (R)/circumference on, R
1＞R
2＞...＞R
n, each cavity 3 and roll-over panels 5 be all α mutually, extruding force f size and m through the angle between the diameter of the circumference of geometric center
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, and radius R
1＞R
2＞...＞R
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Two or more cavitys 3 and roll-over panels 5 that quality (m) or thickness (h) are different, quality m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, on the circumference of centrifugal rotor 1 different radii (R), R
1＞R
2＞...＞R
n, the angle α between the diameter of the circumference of each cavity 3 and roll-over panels 5 and process geometric center
1＞α
2＞...＞α
n, extruding force f size and m
1＞m
2＞...＞m
nOr thickness h
1＞h
2＞...＞h
n, and radius R
1＞R
2＞...＞R
n, with angle α
1＞α
2＞...＞α
nBe comformity relation, extruding force has f
1＞f
2...＞f
nRelation.
Place a set of cups 4 in the cavity 3, splendid attire blood bag 8 in a set of cups 4.As shown in Figure 2, a set of cups 4 is that cuboid, profile and volume and cavity 3 inwalls fit like a glove; High wide of one side of a set of cups 4 is the bottom surface, and along the bottom width direction 6, two length and width faces of rotating shaft being set is can be around the roll-over panels 5 of rotating shaft 6 upsets, and thickness is identical or thickness is different; Roll-over panels 5 and blood bag 8 opposing parallel.A set of cups 3 is subjected to centrifugal action in centrifugal process, and its roll-over panels 5 near centrifugal arbor 2 one sides is changeed to turning on one's side away from centrifugal shaft 2 one around trip shaft 6, and blood bag 8 is produced pressure f.The upper and lower length and width face relative both sides that 5 upsets are held by roll-over panels at a set of cups 4 respectively have a recess 7; A set of cups 4 is placed in the cavity 3, recess 7 one ends and centrifugal rotor 1 rotation direction is arranged in the same way.
As shown in Figure 3, having conduit 9 one ends to place in a set of cups 4 in blood bag 8 has recess 7 one ends, blood bag conduit 9 is pulled out a set of cups 4 outsides from the recess 7 of a set of cups 4, and blood bag surface 10 relies on mutually with roll-over panels 5.
As preferred embodiment, be further perfect to embodiment 2.
As shown in Figure 4, all apart from offering four cavitys, four cavitys rotate counterclockwise the direction ordering along centrifugal rotor 1 along centrifugal rotor 1 same circumference, are numbered cavity 11, No. two cavitys 12, No. three cavitys 13 and No. four cavitys 14 respectively; Be different angles respectively, cavity ... be angle α between the diameter through cavity upper shed geometric center of the long limit of four cavitys (11,12,13 and 14) and centrifugal rotor 1
1, No. two cavitys 12 are angle α
2, No. three cavitys 13 are angle α
3, No. four cavitys 14 are angle α
4, α
1=90 °, α
4=0 °, α
2＞α
3Between 90 ° to 0 °.
The a set of cups 4 of a cavity 11
1The a set of cups 4 of splendid attire erythrocyte additive bag 15, No. two cavitys 12
2The a set of cups 4 of splendid attire blood collection bags 16, No. three cavitys 13
3The a set of cups 4 of splendid attire collecting bag a17 and No. four cavitys 14
4Splendid attire collecting bag b18 has catheter end to be placed on a set of cups in the blood bag recess 7 one ends is arranged.Four a set of cups 4
1, 4
2, 4
3, 4 roll-over panels 5 thickness (h) are identical, thickness is at 8mm～2mm; Preferred thickness can be selected 4mm～2mm.
A set of cups 4
1, a set of cups 4
2, a set of cups 4
3With a set of cups 4
4The extruding force of each roll-over panels 5 be f
1＞f
2＞f
3＞f
4
Prepare before the preparation: install four a set of cups (4 by above-mentioned
1, 4
2, 4
3, 4
4), each blood bag and pipe guide; Close each tubing clamp.
Preparation: it is gently centrifugal that centrifugal rotor 1 rotates counterclockwise beginning, and the blood in the blood collection bags 16 is pressed platelet rich plasma and erythrocyte ordering layering by the front end of blood bag successively to the bottom; While a set of cups 4
1, a set of cups 4
2, a set of cups 4
3With a set of cups 4
4The extruding force that produces of each roll-over panels 5 f is arranged
1＞f
2＞f
3＞f
4, push blood bag separately; When tubing clamp is closed, reach balance between the pressure f that 5 pairs of blood bags of roll-over panels 8 produce and the holding capacity F of blood bag 8; Balance is destroyed when tubing clamp is opened, and f＞F extrudes blood bag 8 with liquid in the blood bag 8.After light centrifugal a period of time, open tubing clamp 20, f
2＞f
3Make platelet rich plasma enter collecting bag a17, detect erythrocyte, the folder 20 of blinding off a line automatically until cell interface detector 22.After beginning heavy centrifugal a period of time subsequently, open this tubing clamp 20 again, heavyly make that remaining blood plasma enters collecting bag a17 fully in the blood collection bags 16 after centrifugal; Because synchronously heavy centrifugal, under heavy centrifugal action, be settled down to collecting bag a17 bottom in the light platelet that enters collecting bag a17 when centrifugal; Automatically blind off a line and press from both sides 20, open each tubing clamp 19 and tubing clamp 21 simultaneously, f
1＞f
2Make erythrocyte additive bag 15 interior erythrocyte additives enter blood collection bags 16; f
3＞f
4Make blood plasma enter collecting bag b18 by collecting bag a17; Set a set of cups 3 of collecting bag a17
3Amount of compression, make among the collecting bag a17 and can remain a certain amount of blood plasma, the platelet that is used to suspend and is separated to.
Preparation finishes: after composition blood was finished transfer, blind off a line automatically folder 19 and tubing clamp 21 stopped centrifuge.So far, among the collecting bag b18 blood plasma, among the collecting bag a 17 platelet, in the blood collection bags 16 red cell suspension.
Prepare preceding preparation afterwards next time.
Claims (11)
1. a blood separator comprises centrifugal rotor (1), centrifugal arbor (2), centrifuge firm banking and automaton, it is characterized in that: be provided with the structure of settling blood bag (8) along centrifugal rotor (1) circumference, the corresponding roll-over panels (5) that has with the rotating shaft (6) of centrifugal rotor (1) Surface Vertical that is provided with, blood bag (8) opposing parallel of roll-over panels (5) and positioned vertical.
2. blood separator according to claim 1 is characterized in that: for be provided with the structure that two or more settle blood bag (8) along centrifugal rotor (1) circumference; Structure is arranged on the same radius circumference or on the different radii circumference, and this structure on the long limit of the geometry on centrifugal rotor (1) surface with centrifugal rotor (1) pass through the geometry center radially between be different angles or identical angle respectively.
3. blood separator according to claim 1 and 2 is characterized in that: the structure of described arrangement blood bag (8) is made of cavity (2), and cavity (2) is rectangle, opening makes progress, and broadside is the degree of depth of cavity (2).
4. blood separator according to claim 1 is characterized in that: described rotating shaft (6) and roll-over panels (5) are the parts of a set of cups (4), and a set of cups (4) is rectangle, profile and volume and cavity (3) inwall fit like a glove; The height of one side of a set of cups (4)-wide is the bottom surface, along the bottom width direction rotating shaft (6) is set, and two long-wide is roll-over panels (5); Upper and lower length-Gao face at a set of cups (4) leans on the relative both sides of the upset end of roll-over panels (5) respectively to have a recess (7); A set of cups (4) is placed in the cavity (3), have recess (7) one ends should with centrifugal rotor (1) rotation direction in the same way.
5. blood separator according to claim 3, it is characterized in that: described cavity (3) is respectively a cavity (11), No. two cavitys (12), No. three cavitys (13) and No. four cavitys (14) along offering four on the same circumference of centrifugal rotor (1) according to rotating equidirectional ordering with centrifugal rotor (1); Be different angles respectively between the long limit of four cavitys and the diameter through the rotor of cavity upper shed geometric center; Wherein a cavity (11) angle maximum, No. two cavitys (12) angle take second place, No. three cavitys (13) angle takes second place again, No. four cavitys (14) angle minimum, and institute is angle between 90 degree and 0 degree reach.
6. blood separator according to claim 5 is characterized in that: a described cavity (11) is placed a set of cups (4
1), No. two cavitys (12) place a set of cups (4
2), No. three cavitys (13) place a set of cups (4
3), No. four cavitys (14) place a set of cups (4
4).
7. blood separator according to claim 6 is characterized in that: described a set of cups (4
1, 4
2, 4
3, 4
4) roll-over panels (5) thickness identical, thickness is 8mm～2mm.
8. blood separator according to claim 7 is characterized in that: described thickness can select 4mm～2mm.
9. according to claim 6 or 7 or 8 described blood separators, it is characterized in that: described a set of cups (4
1) splendid attire erythrocyte additive bag (15), a set of cups (4
2) splendid attire blood collection bags (16), a set of cups (4
3) splendid attire collecting bag a (17) and a set of cups (4
4) splendid attire collecting bag b (18); There is conduit (9) end to be placed on a set of cups (4) in blood bag (8) recess (7) one ends are arranged.
10. blood separator according to claim 9, it is characterized in that: the connecting duct (9) between described erythrocyte additive bag (15) and the blood collection bags (16) is placed on the tubing clamp (19), connecting duct (9) between blood collection bags (16) and the collecting bag a (17) is placed on the tubing clamp (20), and the connecting duct (9) between collecting bag a (17) and the collecting bag b (18) is placed on the tubing clamp (21); Each tubing clamp is installed in respectively on the corresponding position of centrifugal rotor (1).
11. blood separator according to claim 10 is characterized in that: described blood collection bags (16) is located device cell detector (22) with the connecting duct process of collecting bag a (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202604978U CN201734997U (en) | 2010-07-12 | 2010-07-12 | Blood separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202604978U CN201734997U (en) | 2010-07-12 | 2010-07-12 | Blood separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201734997U true CN201734997U (en) | 2011-02-09 |
Family
ID=43550273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202604978U Expired - Fee Related CN201734997U (en) | 2010-07-12 | 2010-07-12 | Blood separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201734997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950388A (en) * | 2017-04-28 | 2017-07-14 | 乌鲁木齐九品芝麻信息科技有限公司 | For the liquid handling of medical test, transfer device and its method |
| CN110035779A (en) * | 2016-12-02 | 2019-07-19 | 泰尔茂比司特公司 | Compound fluid separation |
-
2010
- 2010-07-12 CN CN2010202604978U patent/CN201734997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035779A (en) * | 2016-12-02 | 2019-07-19 | 泰尔茂比司特公司 | Compound fluid separation |
| CN110035779B (en) * | 2016-12-02 | 2022-05-13 | 泰尔茂比司特公司 | Composite fluid separation |
| CN106950388A (en) * | 2017-04-28 | 2017-07-14 | 乌鲁木齐九品芝麻信息科技有限公司 | For the liquid handling of medical test, transfer device and its method |
| CN106950388B (en) * | 2017-04-28 | 2018-12-25 | 彭新国 | For the liquid handling of medical test, transfer device and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20180712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |