CN211094173U - Special ammonia vacuum blood collection tube - Google Patents
Special ammonia vacuum blood collection tube Download PDFInfo
- Publication number
- CN211094173U CN211094173U CN201921866961.5U CN201921866961U CN211094173U CN 211094173 U CN211094173 U CN 211094173U CN 201921866961 U CN201921866961 U CN 201921866961U CN 211094173 U CN211094173 U CN 211094173U
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- vacuum
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- blood collection
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- ammonia
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Abstract
The utility model relates to the technical field of production and manufacture of vacuum blood sampling tubes, and discloses an ammonia special vacuum blood sampling tube, which comprises a tube body, wherein a vacuum cavity is arranged inside the tube body, when the negative pressure in the vacuum cavity is enough, the ammonia gas vacuum blood collection tube can be used as a common blood collection tube, when the negative pressure in the vacuum cavity is insufficient and sufficient blood is difficult to collect, pulling the pull ring to make ammonia and water react to generate ammonia water, reducing the pressure intensity in the reaction cavity, moving the piston downwards under the action of the pressure intensity, increasing the volume of the pressure regulating cavity, opening the one-way valve plate, making the air in the vacuum cavity flow into the pressure regulating cavity, thereby increased the negative pressure of vacuum cavity, can gather the blood of capacity, the utility model discloses simple structure, the modern design has solved the more loaded down with trivial details problem of process that improves vacuum test tube vacuum, has the advantage of improvement vacuum test tube vacuum that can be simple and convenient.
Description
Technical Field
The utility model relates to the technical field of production and manufacturing of vacuum blood collection tubes, in particular to a special vacuum blood collection tube for ammonia.
Background
The vacuum blood collection tube is a disposable negative pressure vacuum glass tube capable of realizing quantitative blood collection, needs to be matched with a vein blood collection needle for use, is pumped into a blood sample container through the blood collection needle under the action of negative pressure, can realize multi-tube collection without leakage under one venipuncture, is very practical and convenient, can be divided into nine classes according to different colors of covers, has various functions, can use different blood collection tubes aiming at different conditions, has pertinence, improves the blood collection efficiency of medical personnel, but still has some defects, for example, the vacuum degree in a vacuum tube cavity can be reduced after the vacuum blood collection tube is placed for a long time, so that sufficient blood samples cannot be collected, and the common treatment mode in the condition is to pump air into the vacuum tube cavity by using an injector, therefore, the vacuum blood collection tube is guaranteed to be capable of collecting enough blood samples, but the operation of the processing mode is complex, puncture is easy to occur, the working efficiency is influenced, the working difficulty is increased, and therefore the technical problem to be solved urgently is solved by simply and conveniently improving the vacuum degree in the vacuum blood collection tube.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a special vacuum test tube of ammonia possesses the advantage of improvement vacuum test tube vacuum that can be simple and convenient, has solved the more loaded down with trivial details problem of process that improves vacuum test tube vacuum.
(II) technical scheme
For the purpose of realizing above-mentioned improvement vacuum of vacuum test tube that can be simple and convenient, the utility model provides a following technical scheme: the special vacuum blood collection tube for ammonia comprises a tube body, wherein a tube cap is fixedly connected to the top of the tube body, a vacuum cavity is formed in the inner wall of the tube body, a sealing plug is fixedly connected to the inner wall of the vacuum cavity, a pressure regulating cavity is formed in the tube body, a valve port is formed in the outer wall of the pressure regulating cavity, a valve plate is movably connected to the outer wall of the valve port, a piston is movably connected to the bottom of the pressure regulating cavity, a sealing ring is fixedly connected to the outer wall of the piston, an inserting groove is formed in the center of the piston, a piston rod is inserted into the inner wall of the inserting groove, a fixing frame is fixedly connected to the outer wall of the piston rod, a reaction cavity is formed below the piston, a water tank is fixedly connected to the inner wall of the reaction cavity, a water outlet is formed in the bottom of the water, the left side fixedly connected with baffle of stopper, the left end fixedly connected with pull ring of baffle.
Preferably, the bottom of the valve plate is provided with an inclined surface inclined outwards, the inclined surface inclined outwards enables the valve plate to move only in one direction, and when the piston moves downwards, the valve plate can be controlled to move so as to increase negative pressure in the vacuum cavity.
Preferably, the slot and the piston rod are tightly inserted, the piston is fixed on the piston rod when no external force acts on the piston, and the piston can move downwards under the action of pressure when the pressure of chemical reaction in the reaction cavity is reduced.
Preferably, the fixing frame is fixedly connected to the inner side wall of the pressure regulating cavity, and the position of the piston can be fixed by fixing the position of the fixing frame, so that the piston can be stably connected between the pressure regulating cavity and the reaction cavity to achieve the effect of isolation.
Preferably, the reaction cavity is filled with ammonia gas, ammonia gas and water react to generate ammonia water in the reaction cavity, at the moment, the pressure in the reaction cavity becomes small, and the piston moves downwards under the action of the pressure, so that the negative pressure in the vacuum cavity can be changed.
Preferably, the pure water is placed in the water tank, the pure water is stopped by the baffle and can not flow out in the water tank under general state, and when the negative pressure in the vacuum cavity needs to be changed, the pull ring and the baffle can be pulled to enable the pure water to flow into the reaction cavity and to chemically react with ammonia gas.
Preferably, the fixture block is elastic rubber material, can produce deformation, and the inseparable card of fixture block of elastic rubber material is in the draw-in groove, is stopping the flow of pure water, when needs change the negative pressure extract in the draw-in groove the fixture block can.
(III) advantageous effects
Compared with the prior art, the utility model provides a special vacuum test tube of ammonia possesses following beneficial effect:
1. this special vacuum blood collection tube of ammonia, seal the vacuum cavity through the sealing plug, make the vacuum cavity keep at a stable negative pressure state, if the negative pressure in the vacuum cavity is enough during the work of taking a blood sample, can use ammonia vacuum blood collection tube as ordinary blood collection tube, when the not enough blood of gathering the capacity of negative pressure in the vacuum cavity, make ammonia and water take place the reaction through the pulling pull ring, thereby the pressure regulating intracavity is taken out to the air in the vacuum cavity, increase the negative pressure in the vacuum cavity, can take the blood of capacity, through the sealing plug, the vacuum cavity, the cooperation between pull ring and the pressure regulating chamber is used, thereby reached the effect that can manually improve vacuum blood collection tube vacuum.
2. The special ammonia vacuum blood collection tube has the advantages that the clamping block is separated from the clamping groove by pulling the pull ring, the baffle moves outwards, purified water in the water tank flows into the reaction cavity from the water outlet without being blocked by the baffle and chemically reacts with ammonia gas in the reaction cavity to generate ammonia water, so that the pressure in the reaction cavity is reduced, the piston in the reaction cavity moves downwards under the action of the pressure, the volume of the pressure regulating cavity is increased, the one-way valve plate is opened outwards, air in the vacuum cavity flows into the pressure regulating cavity, the negative pressure of the vacuum cavity is increased, sufficient blood can be collected, the pressure in the reaction cavity is kept in a stable state after the reaction of the ammonia water and the water is completed, the piston does not move any more at the moment, the valve plate is automatically closed, the sealing of the vacuum cavity is maintained, the blood is ensured not to leak, and the clamping block, the clamping, The water outlet, the reaction cavity, the piston, the pressure regulating cavity, the valve plate and the vacuum cavity are matched for use, so that the effect of simply and conveniently improving the vacuum degree of the vacuum blood collection tube is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a fixture block portion of the present invention;
fig. 4 is a top view of the piston portion of the present invention.
In the figure: the device comprises a pipe body 1, a vacuum cavity 2, a sealing plug 3, a pipe cap 4, a reaction cavity 5, a pressure regulating cavity 6, a valve port 7, a valve plate 8, a fixing frame 9, a piston rod 10, a piston 11, a piston 12, a slot 13, a sealing ring 14, a water tank 14, a water outlet 15, a clamping groove 16, a clamping block 17, a limiting block 18, a baffle 19 and a pull ring 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a special vacuum blood collection tube for ammonia gas comprises a tube body 1, a tube cap 4 is fixedly connected to the top of the tube body 1, a vacuum cavity 2 is formed in the inner wall of the tube body 1, a sealing plug 3 is fixedly connected to the inner wall of the vacuum cavity 2, a pressure regulating cavity 6 is formed in the tube body 1, a valve port 7 is formed in the outer wall of the pressure regulating cavity 6, a valve plate 8 is movably connected to the outer wall of the valve port 7, an inclined surface inclined toward the outside is formed in the bottom of the valve plate 8, the valve plate 8 can move only in one direction due to the inclined surface inclined toward the outside, the valve plate 8 can be controlled to move when a piston 11 moves downward so as to increase the negative pressure in the vacuum cavity 2, a piston 11 is movably connected to the bottom of the pressure regulating cavity 6, a sealing ring 13 is fixedly connected to the outer wall of the piston 11, a slot 12 is formed, when the pressure of the chemical reaction in the reaction chamber 5 is reduced, the piston 11 can move downwards under the action of the pressure, the inner wall of the slot 12 is inserted with the piston rod 10, the outer wall of the piston rod 10 is fixedly connected with the fixing frame 9, the fixing frame 9 is fixedly connected on the inner side wall of the pressure regulating chamber 6, the position of the piston 11 can be fixed by fixing the position of the fixing frame 9, the piston 11 can be stably connected between the pressure regulating chamber 6 and the reaction chamber 5 to play a role of isolation, the reaction chamber 5 is arranged below the piston 11, ammonia gas is filled in the reaction chamber 5, ammonia water and water react to generate ammonia water in the reaction chamber 5, at the moment, the pressure in the reaction chamber 5 is reduced, the piston 11 moves downwards under the action of the pressure, so that the negative pressure in the vacuum chamber 2 can be changed, the water tank 14 is fixedly connected to the inner wall of the reaction chamber 5, purified water is placed in the water tank 14, and the purified water is blocked in the, can pull ring 20 and baffle 19 when needs change the negative pressure in the vacuum cavity 2 and make pure water flow to reaction chamber 5 in, take place chemical reaction with the ammonia, delivery port 15 has been seted up to the bottom of water tank 14, draw-in groove 16 has been seted up to the inside wall of water tank 14, the inner wall joint of draw-in groove 16 has fixture block 17, fixture block 17 is elastic rubber material, can produce deformation, the inseparable card of fixture block 17 of elastic rubber material is in draw-in groove 16, block the flow of pure water, when needs change the negative pressure extract fixture block 17 from draw-in groove 16 can. The left side fixedly connected with stopper 18 of fixture block 17, the left side fixedly connected with baffle 19 of stopper 18, the left end fixedly connected with pull ring 20 of baffle 19.
The working principle is that when the ammonia vacuum blood sampling tube is used for sampling blood, if the negative pressure in the vacuum cavity 2 is enough, the ammonia vacuum blood sampling tube can be used as a common blood sampling tube, when the negative pressure in the vacuum cavity 2 is insufficient and sufficient blood is difficult to collect, the pull ring 20 is pulled to separate the clamping block 17 from the clamping groove 16, the baffle 19 moves outwards, purified water in the water tank 14 flows into the reaction cavity 5 through the water outlet 15 and chemically reacts with ammonia gas in the reaction cavity 5 to generate ammonia water, so that the pressure in the reaction cavity 5 is reduced, the piston 11 moves downwards under the action of the pressure, at the moment, the volume of the pressure regulating cavity 6 is increased, the one-way valve plate 8 is opened outwards, air in the vacuum cavity 2 flows into the pressure regulating cavity 6, so that the negative pressure of the vacuum cavity 2 is increased, sufficient blood can be collected, and the pressure in the reaction cavity 5 is kept in a stable state after the ammonia water and the water react, at this time, the piston 11 does not move any more, and the valve plate 8 is also automatically closed, so as to maintain the sealing of the vacuum cavity 2 and ensure that the blood does not leak.
To sum up, the special vacuum blood collection tube for ammonia gas seals the vacuum cavity 2 through the sealing plug 3, so that the vacuum cavity 2 is kept in a stable negative pressure state, when the negative pressure in the vacuum cavity 2 is enough during blood collection, the special vacuum blood collection tube for ammonia gas can be used as a common blood collection tube, when the negative pressure in the vacuum cavity 2 is insufficient and sufficient blood is difficult to collect, ammonia gas and water react by pulling the pull ring 20, so that air in the vacuum cavity 2 is extracted into the pressure regulating cavity 6, the negative pressure in the vacuum cavity is increased, sufficient blood can be collected, and the effect of manually improving the vacuum degree of the vacuum blood collection tube is achieved through the matching use of the sealing plug 3, the vacuum cavity 2, the pull ring 20 and the pressure regulating cavity 6; the fixture block 17 is separated from the clamping groove 16 by pulling the pull ring 20, the baffle 19 moves outwards, purified water in the water tank 14 flows into the reaction chamber 5 from the water outlet 15 without being blocked by the baffle 19 and chemically reacts with ammonia gas in the reaction chamber 5 to generate ammonia water, so that the pressure in the reaction chamber 5 is reduced, the piston 11 with reduced pressure in the reaction chamber 5 moves downwards under the action of the pressure, the volume of the pressure regulating chamber 6 is increased, the one-way valve plate 8 is opened outwards, air in the vacuum chamber 2 flows into the pressure regulating chamber 6, so that the negative pressure of the vacuum chamber 2 is increased, sufficient blood can be collected, the pressure in the reaction chamber 5 after the reaction of the ammonia water and the water is kept in a stable state, the piston 11 does not move any more at the moment, the valve plate 8 is also automatically closed, the sealing of the vacuum chamber 2 is maintained, the leakage of the blood is prevented, and the leakage of the purified water can be prevented through, The clamping groove 16, the baffle 19, the water tank 14, the water outlet 15, the reaction cavity 5, the piston 11, the pressure regulating cavity 6, the valve plate 8 and the vacuum cavity 2 are matched for use, so that the effect of improving the vacuum degree of the vacuum blood collection tube, which can be simple and convenient, is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special vacuum test tube of ammonia, includes body (1), its characterized in that: the pipe comprises a pipe body (1), a pipe cap (4) is fixedly connected to the top of the pipe body (1), a vacuum cavity (2) is formed in the inner wall of the pipe body (1), a sealing plug (3) is fixedly connected to the inner wall of the vacuum cavity (2), a pressure regulating cavity (6) is formed in the pipe body (1), a valve port (7) is formed in the outer wall of the pressure regulating cavity (6), a valve plate (8) is movably connected to the outer wall of the valve port (7), a piston (11) is movably connected to the bottom of the pressure regulating cavity (6), a sealing ring (13) is fixedly connected to the outer wall of the piston (11), a slot (12) is formed in the center of the piston (11), a piston rod (10) is inserted into the inner wall of the slot (12), a fixing frame (9) is fixedly connected to the outer wall of the piston rod (10), a reaction cavity (5) is formed below the piston, delivery port (15) have been seted up to the bottom of water tank (14), draw-in groove (16) have been seted up to the inside wall of water tank (14), the inner wall joint of draw-in groove (16) has fixture block (17), left side fixedly connected with stopper (18) of fixture block (17), left side fixedly connected with baffle (19) of stopper (18), the left end fixedly connected with pull ring (20) of baffle (19).
2. The special ammonia vacuum blood collection tube according to claim 1, wherein: the bottom of the valve plate (8) is provided with an inclined plane which inclines outwards.
3. The special ammonia vacuum blood collection tube according to claim 1, wherein: the slot (12) is tightly inserted with the piston rod (10).
4. The special ammonia vacuum blood collection tube according to claim 1, wherein: the fixed frame (9) is fixedly connected to the inner side wall of the pressure regulating cavity (6).
5. The special ammonia vacuum blood collection tube according to claim 1, wherein: and ammonia gas is filled in the reaction cavity (5).
6. The special ammonia vacuum blood collection tube according to claim 1, wherein: purified water is placed in the water tank (14).
7. The special ammonia vacuum blood collection tube according to claim 1, wherein: the fixture block (17) is made of elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866961.5U CN211094173U (en) | 2019-11-01 | 2019-11-01 | Special ammonia vacuum blood collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866961.5U CN211094173U (en) | 2019-11-01 | 2019-11-01 | Special ammonia vacuum blood collection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211094173U true CN211094173U (en) | 2020-07-28 |
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ID=71712659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921866961.5U Expired - Fee Related CN211094173U (en) | 2019-11-01 | 2019-11-01 | Special ammonia vacuum blood collection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211094173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914551A (en) * | 2021-01-20 | 2021-06-08 | 南通大学附属医院 | Multifunctional measuring device for respiratory system |
| CN113274018A (en) * | 2021-05-18 | 2021-08-20 | 江苏科华医疗器械科技有限公司 | Offset type negative pressure tip blood sampling device |
-
2019
- 2019-11-01 CN CN201921866961.5U patent/CN211094173U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914551A (en) * | 2021-01-20 | 2021-06-08 | 南通大学附属医院 | Multifunctional measuring device for respiratory system |
| CN112914551B (en) * | 2021-01-20 | 2023-07-04 | 南通大学附属医院 | Multifunctional measuring device for respiratory system |
| CN113274018A (en) * | 2021-05-18 | 2021-08-20 | 江苏科华医疗器械科技有限公司 | Offset type negative pressure tip blood sampling device |
| CN113274018B (en) * | 2021-05-18 | 2023-01-31 | 江苏科华医疗器械科技有限公司 | Offset type negative pressure tip blood sampling device |
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| 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: 20200728 Termination date: 20211101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |