CN220360418U - Vacuum blood collection tube for separating PRP - Google Patents
Vacuum blood collection tube for separating PRP Download PDFInfo
- Publication number
- CN220360418U CN220360418U CN202321315052.9U CN202321315052U CN220360418U CN 220360418 U CN220360418 U CN 220360418U CN 202321315052 U CN202321315052 U CN 202321315052U CN 220360418 U CN220360418 U CN 220360418U
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- test tube
- end cover
- rectangular clamping
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- 210000004369 blood Anatomy 0.000 title claims abstract description 119
- 239000008280 blood Substances 0.000 title claims abstract description 119
- 238000010241 blood sampling Methods 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 28
- 208000000283 familial pityriasis rubra pilaris Diseases 0.000 description 8
- 210000002966 serum Anatomy 0.000 description 8
- 210000003625 skull Anatomy 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 210000002381 plasma Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a vacuum blood collection tube for separating PRP, and relates to the technical field of medical treatment. The blood collection tube comprises an end cover and a blood collection test tube; the end cover is positioned at the open end of the top of the blood sampling test tube; the lower surface of the end cover is fixedly provided with a cylindrical sealing gasket which is in plug-in fit with the inner cavity of the blood sampling test tube; the end cover is provided with a blood injection tube penetrating into the blood sampling test tube, and the sealing gasket is provided with a first through hole for avoiding the blood injection tube; a first butyl rubber plug for blocking is arranged at the inlet of the top end of the blood injection tube; the outer wall of the upper end part of the blood sampling test tube outwards extends to form a first annular projection, and the first annular projection and the blood sampling test tube are coaxially arranged. According to the utility model, the blood sampling test tube of the vacuum blood sampling tube and the end cover are connected in a quick-dismantling manner, so that a worker can conveniently connect the end cover with the blood sampling chamber test tube in the assembly process of the vacuum blood sampling tube.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a vacuum blood collection tube for separating PRP.
Background
The principle of the vacuum blood collection tube is that a blood collection tube test tube with a head cover is pre-pumped into different vacuum degrees, venous blood samples are automatically and quantitatively collected by utilizing negative pressure of the vacuum blood collection tube test tube, and one end of a blood collection needle is inserted into a rubber plug of the vacuum blood collection tube after a human vein is pierced. Human venous blood draws in blood sample container through the blood taking needle inside the vacuum blood taking tube under the effect of negative pressure, therefore the leakproofness between blood taking test tube and the skull is very important, can effectually guarantee its leakproofness in the blood taking test tube through the plug stopper, but, if be connected between skull and the blood taking test tube and unstable then probably lead to the plug to drop from blood taking test tube top, there is the steadiness between skull and the blood taking test tube of guaranteeing through the mode of going up with skull threaded connection at the blood taking test tube on the market at present, but, in the assembly process of production, the staff needs repetitive rotatory skull with its threaded connection on the blood taking test tube, shadow effect efficiency to a certain extent, moreover when medical personnel uses, can separate skull and blood taking test tube under special circumstances, and adopt threaded connection's mode comparatively loaded down with trivial details.
Disclosure of Invention
The utility model aims to provide a vacuum blood collection tube for separating PRP. The vacuum blood collection tube is connected with the end cover in a quick-dismantling mode, so that workers can conveniently connect the end cover with the blood collection chamber test tube in the assembly process of the vacuum blood collection tube.
The aim of the utility model is achieved by the following technical scheme:
a vacuum blood collection tube for separating PRP, comprising an end cover and a blood collection test tube; the end cover is positioned at the open end of the top of the blood sampling test tube;
the lower surface of the end cover is fixedly provided with a cylindrical sealing gasket, and the sealing gasket is in plug-in fit with the inner cavity of the blood sampling test tube; the end cover is provided with a blood injection tube penetrating into the blood sampling test tube, and the sealing gasket is provided with a first through hole for avoiding the blood injection tube; a first butyl rubber plug for blocking is arranged at the inlet of the top end of the blood injection tube;
the outer wall of the upper end part of the blood sampling test tube is outwards extended with a first annular projection which is coaxially arranged with the blood sampling test tube; the lower end of the end cover is provided with a second annular lug which is coaxial with the end cover, and the second annular lug is sleeved on the first annular lug;
the lower end of the second annular projection is fixedly connected with two longitudinally extending elastic plates which are arranged in a mirror image mode, the opposite ends of the two elastic plates are respectively provided with a transversely extending rectangular clamping block, each rectangular clamping block is located at the lower end of the corresponding elastic plate, and a second round angle is arranged at the lower end of the inner side of each rectangular clamping block;
two rectangular clamping grooves corresponding to the two rectangular clamping blocks respectively are formed in the first annular protruding block, and the rectangular clamping blocks and the rectangular clamping grooves correspond to each other one by one; the outside of each elastic plate is provided with an arc-shaped pressing plate extending upwards, and the lower end part of each arc-shaped pressing plate is fixedly connected with the lower end part of the corresponding elastic plate.
Further, the inner wall department at blood sampling test tube top is provided with first fillet.
Further, two avoidance grooves are formed in the outer wall of the second annular bump, and extend downwards to the lower end of the second annular bump; the upper end parts of the two arc-shaped pressing plates are respectively positioned in the two avoidance grooves.
Further, the outer wall of the upper end part of each arc-shaped pressing plate is provided with anti-skid patterns.
Further, the end cover is also provided with a blood pumping tube which longitudinally extends through the end cover, and the sealing gasket is provided with a second through hole for avoiding the blood pumping tube; the blood drawing tube passes through the second through hole to the lower end part of the blood drawing test tube; the top of the blood suction tube is provided with a second butyl rubber plug for plugging the inlet of the blood injection tube.
Compared with the prior art, the utility model has the advantages that:
1. this application is through will set up to quick detach formula connection between vacuum blood collection tube's blood sampling test tube and the end cover, from this at vacuum blood collection tube's assembly process, the staff can be convenient be connected between end cover and the blood collection test tube to medical personnel is when end cover and blood collection test tube separation under specific scene, also can be convenient take off the end cover from the blood collection test tube.
2. This application is provided with first fillet through the inner wall department at blood sampling test tube top, when can guarantee to take a blood sample test tube and seal between the pad, also be convenient for the staff with seal pad stopper into the blood sampling test tube. 3. This application can be quick install the end cover on blood sampling test tube through adopting the mode of pressing two arc clamp plates, effectually improved the staff assemble the convenience when vacuum blood sampling tube.
Drawings
FIG. 1 is a perspective view of a vacuum blood collection tube for separating PRPs of the present application;
FIG. 2 is a perspective cross-sectional view of a vacuum blood collection tube for separating PRPs of the present application;
FIG. 3 is an enlarged view of a portion of FIG. 2A of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 2B of the present application;
fig. 5 is an exploded view of a vacuum blood collection tube for separating PRP according to the present application.
The reference numerals in the figures are: 1-a blood sampling test tube; 11-a first rounded corner; 12-a first annular bump; 121-rectangular clamping grooves; 13-an elastic plate; 14-a rectangular clamping block; 141-a second rounded corner; 15-an arc-shaped pressing plate; 151-anti-skid lines; 2-end caps; 21-a gasket; 211-a first through hole; 212-a second via; 22-injecting blood vessels; 221-a first butyl rubber plug; 23-a second annular bump; 231-avoidance slot; 24-vascular aspiration; 241-second butyl rubber plug.
Detailed Description
The following describes the present utility model in further detail with reference to examples.
Referring to fig. 1 to 5, a vacuum blood collection tube for separating PRP includes a blood collection tube 1 and an end cap 2;
the upper end of the blood sampling test tube 1 is an open end, the end cover 2 is arranged at the upper end of the blood sampling test tube 1, and the end cover 2 is in quick-dismantling connection with the blood sampling test tube 1;
the lower end of the end cover 2 is provided with a cylindrical sealing gasket 21, and the sealing gasket 21 is in plug-in fit with the inner cavity of the blood sampling test tube 1;
the end cover 2 is also provided with a blood injection tube 22, the blood injection tube 22 longitudinally penetrates through the end cover 2, and the sealing gasket 21 is provided with a first through hole 211 for avoiding the blood injection tube 22;
a first butyl rubber plug 221 is installed at the top inlet of the blood injection tube 22 for blocking the inlet of the blood injection tube 22.
The collecting test tube is preferably made of transparent materials, and the collecting test tube 1 and the end cover 2 of the vacuum blood collection tube are connected in a quick-dismantling mode; therefore, in the assembly process of the vacuum blood collection tube, a worker can conveniently connect the end cover 2 with the blood collection test tube 1; because the negative pressure is generally required to be flushed into the blood collection test tube 1, the blood collected by medical staff can smoothly flow into the blood collection test tube 1 under the action of the negative pressure, the sealing gasket 21 is arranged at the lower end of the end cover 2, therefore, when the end cover 2 is arranged on the blood collection test tube 1, the sealing gasket 21 is inserted into the top end of the blood collection test tube 1, the sealing gasket 21 is connected with the blood collection test tube 1 in an interference fit manner, the tightness between the sealing gasket 21 and the blood collection test tube 1 can be ensured, the gas in the external environment in the blood collection test tube 1 can not be exchanged, in the actual blood collection process, the staff passes the needle through the first butyl rubber plug 221 and passes through the blood injection tube 22 to the inside of the blood collection test tube 1, the blood can be input into the blood collection test tube 1 through the drainage of the needle, after the blood collection test tube 1 is completed, the blood collection test tube 1 can be taken out by the medical staff to separate the serum and the blood in the blood collection test tube 1 through the centrifuge, and finally, the blood separated from the blood or the blood serum in the blood collection test tube 1 is independently pumped by the medical staff, and the proper amount of the blood collection test tube can be required to be extracted according to the actual requirement before the blood is input to the test tube 1.
Referring to fig. 2 to 4, a first rounded corner 11 is provided at an inner wall of the top of the blood collection tube 1.
If the tightness between the sealing pad 21 and the blood sampling test tube 1 is to be ensured, firstly, the diameter of the sealing pad 21 is slightly larger than the inner diameter of the blood sampling test tube 1, therefore, when the sealing pad 21 is plugged into the blood sampling test tube 1, the sealing pad 21 is extruded to generate a certain amount of deformation, and therefore, under the elastic action of the sealing pad 21, the sealing pad 21 can be tightly attached to the inner wall of the blood sampling test tube 1, so that the tightness between the sealing pad 21 and the blood sampling test tube 1 is ensured, but in the process, a worker is inconvenient to insert the sealing pad 21 into the blood sampling test tube 1, and for this reason, by arranging the first round corner 11 at the inner wall of the top of the blood sampling test tube 1, when the worker inserts the sealing pad 21 into the blood sampling test tube 1, the sealing pad 21 can be easily abutted against the inner wall of the first round corner 11, and therefore, when the worker continuously plugs the sealing pad 21 into the blood sampling test tube 1, the sealing pad 21 can shrink and deform along the first round corner 11 until the sealing pad 21 is completely plugged into the blood sampling test tube 1.
Referring to fig. 2 to 5, a first annular projection 12 extends outwardly from the outer wall of the upper end portion of the blood collection tube 1, the first annular projection 12 being disposed coaxially with the blood collection tube 1; the lower end of the end cover 2 is provided with a second annular convex block 23 coaxial with the end cover, and the second annular convex block 23 is sleeved on the first annular convex block 12; two rectangular clamping grooves 121 which are arranged in a mirror image mode along the axis of the first annular convex block 12 are formed in the outer wall of the first annular convex block; the lower end of the second annular projection 23 is fixedly connected with two longitudinally extending elastic plates 13 which are arranged in a mirror image manner, the opposite ends of the two elastic plates 13 are respectively provided with a transversely extending rectangular clamping block 14, each rectangular clamping block 14 is positioned at the lower end part of the corresponding elastic plate 13, the lower end part of the inner side of each rectangular clamping block 14 is provided with a second round angle 141, and the two rectangular clamping blocks 14 are respectively matched with the two rectangular clamping grooves 121 in a clamping manner; the outer side of each elastic plate 13 is provided with an upwardly extending arc-shaped pressing plate 15, and the lower end part of each arc-shaped pressing plate 15 is fixedly connected with the lower end part of the corresponding elastic plate 13.
The rectangular clamping block 14 is of a hollow structure, so that the weight of the rectangular clamping block 14 can be greatly reduced; under the condition that the arc-shaped pressing plates 15 are not subjected to external force, the elastic plates 13 are arranged in a vertical state, and the distance between the two rectangular clamping blocks 14 is smaller than the outer diameter of the first annular convex block 12, and it is required to be noted that when the end cover 2 is horizontally placed, the rubber pad is positioned below the end cover 2, and at the moment, the top end of each arc-shaped pressing plate 15 is higher than the top end of the elastic plate 13; when the end cap 2 is required to be mounted at the open end of the blood sampling test tube 1, firstly, a worker presses the upper ends of the two arc pressing plates 15 with the index finger and the thumb respectively, so that the upper ends of the two arc pressing plates 15 are close to each other and are in an inward inclined state, under the driving of the two arc pressing plates 15, the lower ends of the two elastic plates 13 are outwards bent, so that the rectangular clamping blocks 14 corresponding to the elastic plates 13 are outwards overturned along with the elastic plates, in the process, the distance between the two rectangular clamping blocks 14 is gradually increased, when the distance between the two rectangular clamping blocks 14 is larger than the outer diameter of the first annular convex block 12 under the pressing action of the worker, at the moment, the worker can sleeve the second annular convex block 23 on the first annular convex block 12, when the lower end of the end cap 2 is propped against the top end of the blood sampling test tube 1, the two rectangular clamping blocks 14 are respectively lowered to the two rectangular clamping grooves 121, at the moment, the staff stops pressing the two arc-shaped pressing plates 15, the two arc-shaped pressing plates 15 can automatically reset to the vertical state, in the resetting process of the two arc-shaped pressing plates 15, the two rectangular clamping blocks 14 can be respectively clamped in the two rectangular clamping grooves 121, finally, the upper end part of each rectangular clamping block 14 is abutted against the upper groove wall of the corresponding rectangular clamping groove 121, the inner side of the lower end part of each rectangular clamping block 14 is provided with the second round angle 141, so that when the rectangular clamping block 14 follows the elastic plate 13 to bend or reset, the situation that the rectangular clamping block 14 cannot be smoothly clamped in the corresponding rectangular clamping groove 121 is avoided, when the staff or medical staff needs to take the end cover 2 off the blood sampling test tube 1, the staff presses the upper end parts of the two arc-shaped pressing plates 15 inwards in a double-direction manner, the arc-shaped pressing plates 15 can be outwards turned over, therefore, the two rectangular clamping blocks 14 are separated from the corresponding rectangular clamping grooves 121, in the process, the arrangement of the second round corners 141 can well prevent the rectangular clamping blocks 14 from being blocked by the lower end wall of the rectangular clamping grooves 121 when the rectangular clamping blocks 14 turn outwards, so that the rectangular clamping blocks 14 cannot be smoothly separated from the corresponding rectangular clamping grooves 121, when the distance between the two rectangular clamping blocks 14 is larger than the outer diameter of the first annular convex block 12, a worker can separate the end cover 2 from the blood sampling test tube 1 by moving the end cover 2 upwards, and the problem that when the worker installs the end cover 2, the worker needs to ensure that the two rectangular clamping blocks 14 respectively correspond to the two rectangular clamping grooves 121 on the longitudinal plane, so that the rectangular clamping blocks 14 are positioned at the corresponding rectangular clamping grooves 121 after the rectangular clamping blocks 14 are lowered to a certain height, and if the rectangular clamping blocks 14 and the rectangular clamping grooves 121 corresponding to the rectangular clamping blocks have a certain offset, the worker can correct the offset by rotating the end cover 2, so that the rectangular clamping blocks 14 can be smoothly clamped in the rectangular clamping grooves 121 corresponding to the rectangular clamping grooves 121.
Referring to fig. 2, 3 and 5, two avoidance grooves 231 are formed at the outer wall of the second annular bump 23, and the two avoidance grooves 231 extend downwards to the lower end of the second annular bump 23; the upper ends of the two arc-shaped pressing plates 15 are respectively positioned in the two avoidance grooves 231.
Two arc clamp plates 15 are located two respectively under initial condition and dodge the inslot 231, from this, can avoid two arc clamp plates 15 to be located the outside of second annular lug 23 and appear comparatively abrupt, and dodge the inslot 231 through setting up, can also give the arc clamp plate 15 more pressing space, when the staff inwards presses arc clamp plate 15, each arc clamp plate 15 can inwards move in corresponding dodge the inslot 231, when the upper end of arc clamp plate 15 supports and leans on the inboard of dodging the inslot 231, the rectangular fixture block 14 that corresponds with it outwards overturns to the limit too, in order to guarantee that rectangular fixture block 14 can smooth joint in rectangular fixture groove 121 that corresponds can.
As shown in fig. 3, the outer wall of the upper end portion of each arc-shaped pressing plate 15 is provided with anti-slip patterns 151.
Through being provided with anti-skidding line 151 on arc clamp plate 15, avoid the staff to skid between finger and the arc clamp plate 15 when pressing arc clamp plate 15, the setting of anti-skidding line 151 is convenient for the staff to press arc clamp plate 15.
Referring to fig. 1, 2 and 4, the end cover 2 is further provided with a blood pumping tube 24, the blood pumping tube 24 longitudinally extends through the end cover 2, and the sealing gasket 21 is provided with a second through hole 212 for avoiding the blood pumping tube 24;
the blood drawing tube 24 passes through the second through hole 212 to the lower end of the blood drawing test tube 1; a second butyl rubber plug 241 is mounted on the top of the blood drawing tube 24 for plugging the inlet of the blood drawing tube 24.
After the blood collected in the blood drawing tube 24 passes through the centrifugation of the centrifuge, the blood plasma can be precipitated at the lower end part of the blood drawing tube 1, and the blood serum is located at the upper end part of the blood drawing tube 1, by being provided with the blood drawing tube 24, when the medical staff draws the blood plasma in the blood drawing tube 24, the needle head of the collecting needle tube passes through the second butyl rubber plug 241 to the blood drawing tube 24 and moves downwards to the outlet at the lower end of the blood drawing tube 24 all the time, at the moment, the needle head can be located in the blood plasma, the needle head is prevented from being excessively contacted with the blood serum, so that a small amount of blood serum is drawn along with the needle head in the blood plasma drawing process, and meanwhile, the blood serum can be effectively prevented from being polluted in a large range by the needle head by the blood serum, and the blood injection tube 22 can be used for collecting the blood serum.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. A vacuum blood collection tube for separating PRP, comprising an end cover and a blood collection test tube; the end cover is positioned at the open end of the top of the blood sampling test tube; it is characterized in that the method comprises the steps of,
the lower surface of the end cover is fixedly provided with a cylindrical sealing gasket, and the sealing gasket is in plug-in fit with the inner cavity of the blood sampling test tube; the end cover is provided with a blood injection tube penetrating into the blood sampling test tube, and the sealing gasket is provided with a first through hole for avoiding the blood injection tube; a first butyl rubber plug for blocking is arranged at the inlet of the top end of the blood injection tube;
the outer wall of the upper end part of the blood sampling test tube is outwards extended with a first annular projection which is coaxially arranged with the blood sampling test tube; the lower end of the end cover is provided with a second annular lug which is coaxial with the end cover, and the second annular lug is sleeved on the first annular lug;
the lower end of the second annular projection is fixedly connected with two longitudinally extending elastic plates which are arranged in a mirror image mode, the opposite ends of the two elastic plates are respectively provided with a transversely extending rectangular clamping block, each rectangular clamping block is located at the lower end of the corresponding elastic plate, and a second round angle is arranged at the lower end of the inner side of each rectangular clamping block;
two rectangular clamping grooves corresponding to the two rectangular clamping blocks respectively are formed in the first annular protruding block, and the rectangular clamping blocks and the rectangular clamping grooves correspond to each other one by one; the outside of each elastic plate is provided with an arc-shaped pressing plate extending upwards, and the lower end part of each arc-shaped pressing plate is fixedly connected with the lower end part of the corresponding elastic plate.
2. The evacuated blood collection tube for separating PRP according to claim 1, wherein the inner wall of the top of the blood collection tube is provided with a first rounded corner.
3. The vacuum blood collection tube for separating PRP according to claim 1, wherein two avoidance grooves are formed in the outer wall of the second annular bump, and both the avoidance grooves extend downwards to the lower end of the second annular bump; the upper end parts of the two arc-shaped pressing plates are respectively positioned in the two avoidance grooves.
4. The vacuum blood collection tube for separating PRP according to claim 1, wherein the outer wall of the upper end of each of the arc-shaped pressing plates is provided with anti-slip patterns.
5. The vacuum blood collection tube for separating PRP according to claim 1, wherein the end cover is further provided with a blood suction tube, the blood suction tube longitudinally extends through the end cover, and the sealing gasket is provided with a second through hole for avoiding the blood suction tube; the blood drawing tube passes through the second through hole to the lower end part of the blood drawing test tube; the top of the blood suction tube is provided with a second butyl rubber plug for plugging the inlet of the blood injection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315052.9U CN220360418U (en) | 2023-05-29 | 2023-05-29 | Vacuum blood collection tube for separating PRP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315052.9U CN220360418U (en) | 2023-05-29 | 2023-05-29 | Vacuum blood collection tube for separating PRP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220360418U true CN220360418U (en) | 2024-01-19 |
Family
ID=89518067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321315052.9U Active CN220360418U (en) | 2023-05-29 | 2023-05-29 | Vacuum blood collection tube for separating PRP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220360418U (en) |
-
2023
- 2023-05-29 CN CN202321315052.9U patent/CN220360418U/en active Active
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