CN211325086U - Reusable blood collection tube - Google Patents
Reusable blood collection tube Download PDFInfo
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- CN211325086U CN211325086U CN201921954628.XU CN201921954628U CN211325086U CN 211325086 U CN211325086 U CN 211325086U CN 201921954628 U CN201921954628 U CN 201921954628U CN 211325086 U CN211325086 U CN 211325086U
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- blood
- sealing cover
- cap
- cover
- collection tube
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Abstract
The utility model relates to a reusable blood collection tube, which comprises a blood conventional tube, a circular sealing cover and a cap matched with the sealing cover, wherein the sealing cover is detachably connected with the cap, and the cap is detachably connected with the top end of the blood conventional tube; the blood vessel sealing device is characterized in that the middle of the sealing cover is provided with a hole and a column cap, a circle of clamping groove with an opening facing a blood vessel is arranged on the outer peripheral part of the cover body on the inner side of the sealing cover, a circle of elastic clamping ring is arranged in the clamping groove, and a telescopic elastic corrugated sleeve is sleeved on the elastic clamping ring. The utility model discloses compare in traditional heparin tube, avoid the cross contamination of different individual blood samples through the relatively lower ripple cover inside lining of change value, reduced the cost of blood sampling operation, practiced thrift the resource.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a repeatedly usable's heparin tube.
Background
The vacuum blood collection tube on the market comprises a vacuum tube, a rubber plug tightly plugged at the tube opening of the vacuum tube and a head cap sleeved on the rubber plug, the vacuum tube and the rubber plug are matched and sealed, and a puncture opening is formed in the center of the top of the head cap. During blood sampling, the blood taking needle pierces the part to be sampled, and the blood feeding needle pierces into the vacuum tube through the puncture hole and the rubber plug, and blood is pumped into the vacuum tube in a jet form, and the traditional vacuum tube directly contacts with the blood in the blood sampling process, so that one vacuum tube is consumed for blood sampling, and waste is extremely large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, provide a repeatedly usable's heparin tube, adopt following technical scheme:
a reusable blood collection tube comprises a blood conventional tube 5, a circular sealing cover 1 and a cap 4 matched with the sealing cover 1, wherein the sealing cover 1 is detachably connected with the cap 4, and the cap 4 is detachably connected with the top end of the blood conventional tube 5; the middle part of the sealing cover 1 is provided with a hole and a column cap 102, a circle of clamping groove 103 with an opening facing the blood conventional tube 5 is arranged on the outer peripheral part of the cover body on the inner side of the sealing cover 1, a circle of elastic clamping ring 2 is arranged in the clamping groove 103, and a telescopic elastic corrugated sleeve 3 is sleeved on the elastic clamping ring 2.
The cross section of the elastic collar 2 in the vertical direction is of a C shape with a bayonet 201, the opening of the bayonet 201 inclines towards the central shaft of the sealing cover 1, the opening of the corrugated sleeve 3 is provided with a rubber ring 301, and the rubber ring 301 is tightly hooped on the inner side of the bayonet 201 of the elastic collar 2. When the corrugated sleeve 3 is installed, the sleeve opening of the corrugated sleeve 3 is firstly sleeved on the elastic clamping ring 2, and the rubber ring 301 of the sleeve opening of the corrugated sleeve 3 is turned outwards and sleeved on the inner side of the bayonet 201 of the elastic clamping ring 2.
The outer diameter of the C-shaped ring of the cross section in the vertical direction of the elastic clamping ring 2 in a free state is larger than the inner diameter of the clamping groove 103. When the sealing cover is installed, the elastic clamping ring 2 and the sealing cover 1 are locked and fixed by the elastic action of the elastic clamping ring 2.
One end of the cap 4 far away from the blood conventional tube 5 is provided with a circle of sealing grooves 401 with openings facing the middle part of the sealing cover 1 along the circumferential direction of the cap 4.
Further, sealing cover 1 respectively is equipped with an earring 101 in lid diameter both sides, sealing groove 401 diameter both ends respectively are equipped with a spacing groove 402 in sealing groove 401 one side of keeping away from blood conventional pipe 5, earring 101 with spacing groove 402 cooperatees, just earring 101 can be in sealing groove 401 internal rotation. When the sealing cap is used, the earring 101 is aligned to the limiting groove 402 on the cap 4, and then the sealing cap 1 is rotated to enable the earring 101 to rotate in the sealing groove 401 and stagger the position of the limiting groove 402 for fixation.
Further, the outer periphery of the sealing cover 1 is provided with an external thread, and an internal thread matched with the external thread is arranged in the sealing groove 401. In use, the sealing cap 1 is screwed into the sealing groove 401 of the cap 4.
Be equipped with piston 6 in the blood conventional tube 5, be equipped with connecting rod 8 at the bottom of the piston 6, 5 socle middle parts of blood conventional tube are equipped with through-hole 9, and the outside cover in 5 bottoms of blood conventional tube is equipped with sleeve 7, connecting rod 8 passes through-hole 9 and is connected with sleeve 7 bobbin base.
The sealing cover 1 is made of soft rubber and is coated with different colors according to different purposes of the blood collection tube.
The corrugated sleeve 3 and the column cap 102 are made of medical sterile rubber materials.
When in use, firstly the corrugated sleeve 3 is installed, the sleeve opening of the corrugated sleeve 3 is sleeved on the elastic clamping ring 2, the rubber ring 301 of the sleeve opening of the corrugated sleeve 3 is outwards turned and sleeved on the inner side of the bayonet 201 of the elastic clamping ring 2, the corrugated sleeve 3 is in a contraction state in a free state, then the elastic clamping ring 2 is clamped into the clamping groove 103, the elastic clamping ring 2 and the sealing cover 1 are locked and fixed by the elastic action of the elastic clamping ring 2, then the ear ring 101 of the sealing cover 1 is aligned to the limiting groove 402 on the cap 4, then the sealing cover 1 is rotated to enable the ear ring 101 to rotate in the sealing groove 401 and stagger the position of the limiting groove 402 for fixing, finally the sleeve 7 at the bottom of the blood conventional tube 5 is pulled downwards to enable the interior of the blood conventional tube 5 at the upper part of the piston to be in a negative pressure state, at the moment, the telescopic elastic corrugated sleeve is extended under the pressure effect, the catheter is then inserted into the post 102 and blood automatically enters the bellows. After use, blood can be collected again only by replacing the corrugated sleeve.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a structure is compared in traditional heparin tube, avoids the cross contamination of different individual blood samples through the relatively lower ripple cover inside lining of change value, has reduced the cost of blood sampling operation, has practiced thrift the resource.
(2) Through the sleeve for taking out the negative pressure of heparin tube, compare in the operation mode of evacuation in advance, this structure has avoided producing the phenomenon that the erythrocyte splits because the too high in-process that leads to the blood sample to rush into the heparin tube at a high speed.
(3) In the process of detecting, can realize the action of blood sampling tube to the outside blood feeding through promoting the sleeve, compare in traditional suction formula sample mode, detection efficiency is higher.
Drawings
FIG. 1 is a front view of the bellows of the present invention in a contracted state;
FIG. 2 is a front view of the corrugated cover of the present invention in an unfolded state;
fig. 3 is a top view of the sealing cover of the present invention;
fig. 4 is a top view of the elastic collar of the present invention;
in the figure: 1-sealing cover, 101-earring, 102-column cap, 103-clamping groove, 2-elastic collar, 201-bayonet, 3-corrugated sleeve, 301-rubber ring, 4-cap, 401-sealing groove, 402-limiting groove, 5-blood conventional tube, 6-piston, 7-sleeve, 8-connecting rod and 9-through hole.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific embodiments:
example 1
As shown in fig. 1, the reusable blood collection tube comprises a blood conventional tube 5, a circular sealing cover 1 and a cap 4 matched with the sealing cover 1, wherein the sealing cover 1 is detachably connected with the cap 4, and the cap 4 is detachably connected with the top end of the blood conventional tube 5; the middle part of the sealing cover 1 is provided with a hole and a column cap 102, a circle of clamping groove 103 with an opening facing the blood conventional tube 5 is arranged on the outer peripheral part of the cover body on the inner side of the sealing cover 1, a circle of elastic clamping ring 2 is arranged in the clamping groove 103, and a telescopic elastic corrugated sleeve 3 is sleeved on the elastic clamping ring 2.
The cross section of the elastic collar 2 in the vertical direction is of a C shape with a bayonet 201, the opening of the bayonet 201 inclines towards the central shaft of the sealing cover 1, the opening of the corrugated sleeve 3 is provided with a rubber ring 301, and the rubber ring 301 is tightly hooped on the inner side of the bayonet 201 of the elastic collar 2. When the corrugated sleeve 3 is installed, the sleeve opening of the corrugated sleeve 3 is firstly sleeved on the elastic clamping ring 2, and the rubber ring 301 of the sleeve opening of the corrugated sleeve 3 is turned outwards and sleeved on the inner side of the bayonet 201 of the elastic clamping ring 2. The bellows 3 is in a contracted state in the free state.
When the elastic clamping ring 2 is in a free state, the outer diameter of the C-shaped ring of the cross section in the vertical direction is larger than the inner diameter of the clamping groove 103, and when the elastic clamping ring is installed, the elastic clamping ring 2 and the sealing cover 1 are locked and fixed by means of the elastic action of the elastic clamping ring 2.
One end of the cap 4 far away from the blood conventional tube 5 is provided with a circle of sealing grooves 401 with openings facing the middle part of the sealing cover 1 along the circumferential direction of the cap 4.
Be equipped with piston 6 in the blood conventional tube 5, be equipped with connecting rod 8 at the bottom of the piston 6, 5 socle middle parts of blood conventional tube are equipped with through-hole 9, and the outside cover in 5 bottoms of blood conventional tube is equipped with sleeve 7, connecting rod 8 passes through-hole 9 and is connected with sleeve 7 bobbin base.
The sealing cover 1 is made of soft rubber and is coated with different colors according to different purposes of the blood collection tube.
The corrugated sleeve 3 and the column cap 102 are made of medical sterile rubber materials.
When in use, firstly the corrugated sleeve 3 is installed, the sleeve opening of the corrugated sleeve 3 is sleeved on the elastic clamping ring 2, the rubber ring 301 of the sleeve opening of the corrugated sleeve 3 is outwards turned and sleeved on the inner side of the bayonet 201 of the elastic clamping ring 2, the corrugated sleeve 3 is in a contraction state in a free state, then the elastic clamping ring 2 is clamped into the clamping groove 103, the elastic clamping ring 2 and the sealing cover 1 are locked and fixed by the elastic action of the elastic clamping ring 2, then the ear ring 101 of the sealing cover 1 is aligned to the limiting groove 402 on the cap 4, then the sealing cover 1 is rotated to enable the ear ring 101 to rotate in the sealing groove 401 and stagger the position of the limiting groove 402 for fixing, finally the sleeve 7 at the bottom of the blood conventional tube 5 is pulled downwards to enable the interior of the blood conventional tube 5 at the upper part of the piston to be in a negative pressure state, at the moment, the telescopic elastic corrugated sleeve is extended under the pressure effect, the catheter is then inserted into the post 102 and blood automatically enters the bellows. After use, blood can be collected again only by replacing the corrugated sleeve.
Example 2
In the present embodiment 2, compared to the embodiment 1, the sealing cover 1 is not provided with the ear ring 101, but an external thread is provided on the outer circumference of the sealing cover 1, a matching internal thread is provided in the sealing groove 401 of the cap 4, and the sealing cover 1 is screwed into the sealing groove 401 of the cap 4 during use.
When the blood sampling device is used, the corrugated sleeve 3 is installed firstly, the sleeve opening of the corrugated sleeve 3 is sleeved on the elastic clamping ring 2, the rubber ring 301 of the sleeve opening of the corrugated sleeve 3 is outwards turned and sleeved on the inner side of the bayonet 201 of the elastic clamping ring 2, the corrugated sleeve 3 is in a contraction state in a free state, the elastic clamping ring 2 is clamped into the clamping groove 103, the elastic clamping ring 2 and the sealing cover 1 are locked and fixed under the action of the elastic clamping ring 2, the sealing cover 1 is screwed in the sealing groove 401 of the cap 4 to be fixed, and finally the sleeve 7 at the bottom of the blood conventional tube 5 is pulled downwards to enable the interior of the blood conventional tube 5 at the upper part of the piston to be in a negative pressure state, at the moment, the telescopic elastic corrugated sleeve is stretched and unfolded under the action of pressure, when blood sampling is carried out, the blood delivery needle with the flow guide tube is inserted into a blood. After use, blood can be collected again only by replacing the corrugated sleeve.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A repeatedly usable's heparin tube which characterized in that: the novel blood vessel sealing device comprises a blood conventional tube (5), a circular sealing cover (1) and a cover cap (4) matched with the sealing cover (1), wherein the sealing cover (1) is detachably connected with the cover cap (4), and the cover cap (4) is detachably connected with the top end of the blood conventional tube (5); the blood vessel sealing device is characterized in that the middle of the sealing cover (1) is provided with a hole and a column cap (102), a circle of clamping groove (103) with an opening facing a blood vessel (5) is formed in the outer peripheral part of the cover body on the inner side of the sealing cover (1), a circle of elastic clamping ring (2) is arranged in the clamping groove (103), and a telescopic elastic corrugated sleeve (3) is sleeved on the elastic clamping ring (2).
2. A reusable blood collection tube according to claim 1, wherein: elastic collar (2) vertical direction cross section personally submits the C type that has bayonet socket (201), the cuff of ripple cover (3) is equipped with rubber band (301), rubber band (301) cramp in bayonet socket (201) inboard of elastic collar (2).
3. A reusable blood collection tube according to claim 2, wherein: the outer diameter of a C-shaped ring of the cross section in the vertical direction of the elastic clamping ring (2) in a free state is larger than the inner diameter of the clamping groove (103).
4. A reusable blood collection tube according to claim 3, wherein: one end of the cap (4) far away from the blood conventional tube (5) is provided with a circle of sealing grooves (401) with openings facing the middle part of the sealing cover (1) along the circumferential direction of the cap (4).
5. A reusable blood collection tube according to claim 4, wherein: sealed lid (1) respectively is equipped with an earring (101) in lid diameter both sides, seal groove (401) diameter both ends respectively are equipped with a spacing groove (402) in one side that seal groove (401) kept away from blood conventional pipe (5), earring (101) with spacing groove (402) cooperate, just earring (101) can be in seal groove (401) internal rotation.
6. A reusable blood collection tube according to claim 4, wherein: the outer periphery of sealed lid (1) is equipped with the external screw thread, be equipped with in seal groove (401) with external screw thread matched with internal thread.
7. A reusable blood collection tube according to claim 4 or 5, wherein: be equipped with piston (6) in blood conventional tube (5), be equipped with connecting rod (8) at the bottom of piston (6), blood conventional tube (5) socle middle part is equipped with through-hole (9), and the outside cover in blood conventional tube (5) bottom is equipped with sleeve (7), connecting rod (8) pass through-hole (9) and are connected at the bottom of sleeve (7) the section of thick bamboo.
8. A reusable blood collection tube according to claim 1, wherein: the sealing cover (1) is made of soft rubber.
9. A reusable blood collection tube according to claim 1, wherein: the corrugated sleeve (3) and the column cap (102) are made of medical sterile rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954628.XU CN211325086U (en) | 2019-11-13 | 2019-11-13 | Reusable blood collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954628.XU CN211325086U (en) | 2019-11-13 | 2019-11-13 | Reusable blood collection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211325086U true CN211325086U (en) | 2020-08-25 |
Family
ID=72098302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921954628.XU Expired - Fee Related CN211325086U (en) | 2019-11-13 | 2019-11-13 | Reusable blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211325086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879677A (en) * | 2021-10-25 | 2022-01-04 | 深圳市核子基因科技有限公司 | Kit for gene detection |
-
2019
- 2019-11-13 CN CN201921954628.XU patent/CN211325086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879677A (en) * | 2021-10-25 | 2022-01-04 | 深圳市核子基因科技有限公司 | Kit for gene detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |