CN216317641U - Subassembly of drawing blood of vein with negative pressure is collected medicine retentate - Google Patents
Subassembly of drawing blood of vein with negative pressure is collected medicine retentate Download PDFInfo
- Publication number
- CN216317641U CN216317641U CN202122805591.8U CN202122805591U CN216317641U CN 216317641 U CN216317641 U CN 216317641U CN 202122805591 U CN202122805591 U CN 202122805591U CN 216317641 U CN216317641 U CN 216317641U
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- Prior art keywords
- negative pressure
- tube
- needle
- connection
- cone
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- Expired - Fee Related
Links
- 239000008280 blood Substances 0.000 title claims abstract description 30
- 210000004369 blood Anatomy 0.000 title claims abstract description 30
- 239000003814 drug Substances 0.000 title claims abstract description 21
- 239000012465 retentate Substances 0.000 title claims description 8
- 210000003462 vein Anatomy 0.000 title description 2
- 230000014759 maintenance of location Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 229940079593 drug Drugs 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001990 intravenous administration Methods 0.000 claims description 4
- 239000012503 blood component Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a venous blood drawing assembly with a negative pressure medicine retention liquid collecting function, and relates to the technical field of medical equipment. The upper portion of the connecting cap is provided with a connecting column, one end of the connecting hose is connected to the inside of the connecting column, the other end of the connecting hose is connected with the upper portion of a negative pressure tube connecting needle, the locking jacket is arranged on the connecting hose, the puncture tube is fixedly connected to one side of the connecting column, an external thread is arranged on the front portion of the puncture tube, the connecting tube is fixedly connected with a negative pressure bag, the nut is arranged on the front portion of the connecting tube, and the connecting tube is connected with the puncture tube through the nut.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a venous blood drawing assembly with a negative-pressure medicine retention liquid collecting function.
Background
The retention needle is a needle head which can be repeatedly used for a plurality of times after once puncturing a blood vessel when a transfusion bottle is used for a long time, can relieve the pain of a patient caused by a plurality of injections, and is particularly suitable for the patient with edema.
However, when a patient needs to draw blood for testing during the use of the retained needle, the blood drawing needle is inserted into an arm to draw blood or inserted into a fluid injection assembly of the retained needle, so that the patient is directly suffered from pain, the difficulty is increased for medical staff, the retained needle is inserted into the fluid injection assembly of the retained needle, 1-2ml of retained drug is arranged in a retained needle channel, and the accuracy of a test result is influenced by the fusion of the retained needle and the blood during the blood drawing.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the venous blood drawing assembly with the negative-pressure medicine retention liquid collecting function is reasonable in structural design, the blood of a patient is drawn through the connection of the venous blood drawing assembly and the retention needle connection assembly to conduct laboratory tests, the steps of blood drawing and laboratory tests of medical personnel are simplified, the pain of the patient in re-needle insertion is relieved, the medicine retention liquid in the retention needle is drawn away through the added negative-pressure bag, and the accuracy of blood laboratory tests is ensured.
(II) technical scheme
In order to realize the advantages, the utility model adopts the following specific technical scheme: it contains and is detained needle notes liquid subassembly, and it still contains connecting cap, locking clamp, coupling hose, negative pressure union coupling needle, negative pressure package subassembly, the upper portion of connecting cap is provided with the spliced pole, coupling hose's one end is connected in the inside of spliced pole, and coupling hose's the other end is connected with the upper portion of negative pressure union coupling needle, the locking presss from both sides the cover on coupling hose, negative pressure package subassembly contains negative pressure package, connecting pipe, nut, punctures the pipe, punctures a tub fixed connection in one side of spliced pole, and the front portion of puncturing the pipe is provided with the external screw thread, connecting pipe and negative pressure package fixed connection, the front portion at the connecting pipe is installed to the nut, the connecting pipe passes through the nut and punctures union coupling, and the outside of the forked mouth in upper portion that is detained needle notes liquid subassembly all is provided with the screw thread strip.
Furthermore, a connecting support is arranged inside one end, close to the connecting pipe, of the puncture pipe, a cone is arranged in the middle of the connecting support, the cone tip of the cone faces the connecting pipe, and a sealing gasket is arranged on the side face of one end, close to the connecting pipe, of the puncture pipe.
Furthermore, a plurality of closed flaps are arranged inside one side of the connecting pipe close to the puncture pipe, and the central points of the closed flaps correspond to the horizontal position of the cone tip of the cone.
Furthermore, the inner side of the connecting cap is provided with a connecting thread matched with the thread strip.
Furthermore, a one-way check valve is arranged inside one side, close to the negative pressure bag, of the inside of the connecting pipe.
Further, the internal capacity of the negative pressure bag is 1-2 ml.
(III) advantageous effects
Compared with the prior art, the utility model provides a venous blood drawing assembly with negative pressure medicine retentate collection function, which has the following beneficial effects: the utility model has reasonable structural design, simplifies the steps of blood drawing and testing of medical personnel by connecting the detention needle connecting assembly with the blood drawing and testing of the patient, relieves the pain of the patient in pricking the needle again, and ensures the accuracy of blood testing by drawing away the medicine detention liquid in the detention needle through the increased negative pressure bag.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a prior art intravenous blood drawing assembly;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the retention needle injection assembly 1 according to the present invention;
FIG. 4 is a schematic view of the locking clip 3 of the present invention;
FIG. 5 is a schematic view showing the internal structure of a puncture tube 64 according to the present invention;
FIG. 6 is a front view of puncture tube 64 in the present invention;
FIG. 7 is a schematic diagram of the closure flap 621 of the present invention;
FIG. 8 is an enlarged view of the structure of the negative pressure bag module 6 according to the present invention;
FIG. 9 is a schematic view of the attachment of the present invention to a retention needle assembly.
In the figure: the device comprises a detaining needle liquid injection assembly 1, a connecting cap 2, a locking clamp 3, a connecting hose 4, a negative pressure tube connecting needle 5, a negative pressure bag assembly 6, a connecting column 21, a negative pressure bag 61, a connecting tube 62, a nut 63, a puncture tube 64, a connecting bracket 641, a cone 642, a sealing gasket 643, a closing flap 621 and a one-way check valve 7.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
In accordance with an embodiment of the present invention, an intravenous blood drawing assembly with negative pressure collection of drug retentate is provided.
Referring to the drawings and the detailed description, the utility model is further explained, as shown in fig. 2-9, according to an embodiment of the utility model, the venous blood drawing assembly with negative pressure medicine retention liquid collection function comprises a retention needle injection assembly 1, a connection cap 2, a locking clamp 3, a connection hose 4, a negative pressure tube connection needle 5 and a negative pressure bag assembly 6, wherein the connection cap 2 is provided with a connection column 21 at the upper part, one end of the connection hose 4 is connected to the inside of the connection column 21, the other end of the connection hose 4 is connected to the upper part of the negative pressure tube connection needle 5, the locking clamp 3 is sleeved on the connection hose 4, the negative pressure bag assembly 6 comprises a negative pressure bag 61, a connection tube 62, a nut 63 and a puncture tube 64, the puncture tube 64 is fixedly connected to one side of the connection column 21, the front part of the puncture tube 64 is provided with an external thread, the connection tube 62 is fixedly connected to the negative pressure bag 61, the nut 63 is installed at the front part of the connecting pipe 62, the connecting pipe 62 is connected with the puncture pipe 64 through the nut 63, and the thread strips 11 are arranged on the outer sides of the upper bifurcations of the needle retention and infusion assembly 1.
In one embodiment, a connection bracket 641 is disposed inside one end of the puncture tube 64 close to the connection tube 62, a cone 642 is disposed at a middle position of the connection bracket 641, a cone tip of the cone 642 faces the connection tube 62, a sealing gasket 643 is disposed on a side surface of the puncture tube 64 close to one end of the connection tube 62, the cone 642 is supported and fixed by the connection bracket 641, and the sealing gasket 643 plays a role in sealing when the connection cap 2 is connected with the puncture tube 64.
In one embodiment, a plurality of closing flaps 621 are disposed inside one side of the connecting tube 62 close to the puncturing tube 64, and the center points of the plurality of closing flaps 621 correspond to the horizontal position of the conical tip of the cone 642, so that the negative pressure bag 61 is pre-sealed by the plurality of closing flaps 621.
In one embodiment, the inner side of the connection cap 2 is provided with a connection thread matching with the thread strip 11, so that the connection cap 2 is screwed on the bifurcation on the retention needle injection assembly 1 through the connection thread.
In one embodiment, the one-way check valve 7 is disposed inside the side of the inside of the connection tube 62 close to the negative pressure bag 61, and the backflow of the drug retentate inside the negative pressure bag 61 can be prevented by the one-way check valve 7.
In one embodiment, the negative pressure bag 61 has an internal volume of 1-2ml, thereby satisfying the requirement of adsorbing the drug retained in the interior of the retention needle tube.
The working principle is as follows: when in use, firstly, the artery on the arm of the detained needle of the patient is pricked by the tourniquet, the connecting cap 2 is screwed on the bifurcation port of the detained needle injection component 1 through the connecting thread, then the connecting hose 4 close to the connecting column 21 is intercepted through the locking clamp 3, the connecting needle 5 of the negative pressure tube is inserted into the negative pressure blood collecting tube, the connecting cap 2 at the front part of the negative pressure bag 61 is screwed on the external thread at the front part of the puncture tube 64 in advance, when blood is drawn, the connecting cap 2 is screwed with the external thread at the front part of the puncture tube 64, meanwhile, the cone 642 pushes the plurality of closed flaps 621 open, loosens the tourniquet tied on the arm of the patient, enables the negative pressure bag 61 to pump the medicine retention liquid, pumps the medicine retention liquid in the retention needle tube, when the locking clamp 3 is released, fresh blood is fed into the negative pressure blood collection tube through the connecting hose 4 to be detected, because the one-way check valve 7 is arranged inside the connecting tube 62 on the side close to the negative pressure bag 61.
In conclusion, by means of the technical scheme, the blood collection and test device is reasonable in structural design, the blood of a patient is collected and tested through the connection of the retention needle connecting assembly, the steps of blood collection and test of medical workers are simplified, the pain of the patient in re-acupuncture is relieved, the medicine retention liquid in the retention needle is collected through the increased negative pressure bag, and the accuracy of blood test is ensured.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a venous blood component with medicine retentate is collected to negative pressure, it contains the needle that is detained and annotates liquid subassembly (1), its characterized in that, it still contains and connects cap (2), locking clamp (3), coupling hose (4), negative pressure union coupling needle (5), negative pressure package subassembly (6), the upper portion of connecting cap (2) is provided with spliced pole (21), the inside at spliced pole (21) is connected to the one end of coupling hose (4), and the other end of coupling hose (4) is connected with the upper portion of negative pressure union coupling needle (5), locking clamp (3) cover is on coupling hose (4), negative pressure package subassembly (6) contain negative pressure package (61), coupling hose (62), nut (63), puncture pipe (64) fixed connection is in one side of spliced pole (21), and the front portion of puncture pipe (64) is provided with the external screw thread, the connecting pipe (62) is fixedly connected with the negative pressure bag (61), the nut (63) is installed at the front part of the connecting pipe (62), the connecting pipe (62) is connected with the puncture pipe (64) through the nut (63), and thread strips (11) are arranged on the outer sides of bifurcated openings in the upper part of the detained needle liquid injection assembly (1).
2. An intravenous blood drawing assembly with negative pressure collection of drug retention according to claim 1, characterized in that the puncturing tube (64) is provided with a connecting bracket (641) inside the end near the connecting tube (62), the connecting bracket (641) is provided with a cone (642) at the middle position, the cone tip of the cone (642) faces the connecting tube (62), and the side of the puncturing tube (64) near the end near the connecting tube (62) is provided with a sealing gasket (643).
3. The assembly of claim 1, wherein the connecting tube (62) is provided with a plurality of closing flaps (621) inside the side close to the puncture tube (64), and the center points of the plurality of closing flaps (621) correspond to the horizontal position of the cone tip of the cone (642).
4. An intravenous blood set with negative pressure collection of drug retention according to claim 1, characterized in that the inside of the connection cap (2) is provided with a connection thread matching the threaded strip (11).
5. An iv set with negative pressure collection of drug retentate according to claim 1 characterized in that the inside of the connection tube (62) near the side of the negative pressure bag (61) is internally provided with a one-way check valve (7).
6. An iv set with negative pressure collection of drug retentate according to claim 1, characterized in that the negative pressure bag (61) has an internal volume of 1-2 ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122805591.8U CN216317641U (en) | 2021-11-16 | 2021-11-16 | Subassembly of drawing blood of vein with negative pressure is collected medicine retentate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122805591.8U CN216317641U (en) | 2021-11-16 | 2021-11-16 | Subassembly of drawing blood of vein with negative pressure is collected medicine retentate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216317641U true CN216317641U (en) | 2022-04-19 |
Family
ID=81150158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122805591.8U Expired - Fee Related CN216317641U (en) | 2021-11-16 | 2021-11-16 | Subassembly of drawing blood of vein with negative pressure is collected medicine retentate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216317641U (en) |
-
2021
- 2021-11-16 CN CN202122805591.8U patent/CN216317641U/en not_active Expired - Fee Related
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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: 20220419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |