CN222323557U - Disposable arteriovenous blood collection needle - Google Patents
Disposable arteriovenous blood collection needle Download PDFInfo
- Publication number
- CN222323557U CN222323557U CN202420472256.1U CN202420472256U CN222323557U CN 222323557 U CN222323557 U CN 222323557U CN 202420472256 U CN202420472256 U CN 202420472256U CN 222323557 U CN222323557 U CN 222323557U
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- Prior art keywords
- hose
- connecting pipe
- medical
- hollow block
- wall
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- 239000008280 blood Substances 0.000 title claims abstract description 36
- 210000004369 blood Anatomy 0.000 title claims abstract description 36
- 210000001367 artery Anatomy 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 6
- 210000003462 vein Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本实用新型涉及医疗器具技术领域，且公开了一种一次性使用动静脉采血针，包括医用三通旋塞阀，所述医用三通旋塞阀的左端固定连通有第一连接管，医用三通旋塞阀的上下两端均固定连通有第二连接管，第一连接管的内壁贴合设置有第一软管，第二连接管的内壁贴合设置有第二软管，第一软管的内壁粘接有采血针头，第二软管的内壁粘接有试管针头。本实用新型通过医用三通旋塞阀、第一连接管、第二连接管、第一软管、第二软管、采血针头和试管针头，其中，当采血针头刺入患者动脉内后，通过医用三通旋塞阀、第一连接管、第二连接管、第一软管、第二软管和试管针头的配合，使医护人员能直接采集两种血液样品，从而有效的降低了采血针的穿刺次数。
The utility model relates to the technical field of medical instruments, and discloses a disposable arteriovenous blood collection needle, including a medical three-way stopcock, the left end of the medical three-way stopcock is fixedly connected with a first connecting pipe, the upper and lower ends of the medical three-way stopcock are fixedly connected with a second connecting pipe, the inner wall of the first connecting pipe is fitted with a first hose, the inner wall of the second connecting pipe is fitted with a second hose, the inner wall of the first hose is bonded with a blood collection needle, and the inner wall of the second hose is bonded with a test tube needle. The utility model uses a medical three-way stopcock, a first connecting pipe, a second connecting pipe, a first hose, a second hose, a blood collection needle and a test tube needle. When the blood collection needle is inserted into the patient's artery, the medical staff can directly collect two blood samples through the cooperation of the medical three-way stopcock, the first connecting pipe, the second connecting pipe, the first hose, the second hose and the test tube needle, thereby effectively reducing the number of punctures of the blood collection needle.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable arteriovenous blood taking needle.
Background
Arterial blood sampling is mainly used for blood gas analysis examination, and is used for knowing the condition of oxygen supply and acid-base balance of an organism. Is one of important indexes for rescuing critical patients. However, at present, the disposable blood taking needle can only provide single sampling, and can not meet the requirements of other blood sample collection at the same time, so that when the patient is sampled for multiple times, the patient needs to be punctured for multiple times, and the puncture pain of the patient is increased.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, for example, at present, a disposable blood taking needle can only provide single sampling and can not meet the requirements of other blood sample collection at the same time, and further, when a patient is sampled for multiple times, the patient needs to be punctured for multiple times, so that the puncture pain of the patient is increased, and the disposable arteriovenous blood taking needle is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
Disposable artery and vein blood taking needle, including medical tee bend plug valve, the fixed intercommunication in left end of medical tee bend plug valve has first connecting pipe, the right-hand member of medical tee bend plug valve and the bottom of medical tee bend plug valve all are fixed to be linked together and are provided with the second connecting pipe, the inner wall laminating of first connecting pipe is provided with first hose, the inner wall laminating of second connecting pipe is provided with the second hose, the inner wall bonding of first hose has the blood taking needle, the inner wall bonding of second hose has the test tube needle, the ring channel has all been seted up on the surface of first connecting pipe and the surface of second connecting pipe, the surface of first hose and the surface of second hose all bond and have the locking mechanism, the surface of locking mechanism contacts with the inner wall of ring channel.
Preferably, the locking mechanism comprises a first hollow block, the surface of the first hose and the surface of the second hose are both adhered to the inner wall of the first hollow block, the surface of the first hollow block is fixedly connected with a square column, the surface of the square column is sleeved with a square cylinder, the front side and the rear side of the square cylinder are both fixedly connected with the second hollow block, the inner wall of the second hollow block is fixedly connected with an elastic metal sheet, one side, close to the first hollow block, of the elastic metal sheet is fixedly connected with an L-shaped column, the surface of the L-shaped column is in contact with the inner wall of an annular groove, the surface of the square cylinder is sleeved with a spring, and the spring is located between the first hollow block and the second hollow block.
Preferably, the length of the first hose and the length of the second hose are both 10cm.
Preferably, the surface of the first hose, the surface of the second hose and one side of the first hollow block, which is close to the medical three-way plug valve, are adhered with rubber rings, and one side of the first connecting pipe, which is far away from the medical three-way plug valve, and one side of the second connecting pipe, which is far away from the medical three-way plug valve, are contacted with the side surfaces of the rubber rings.
Preferably, the back fixedly connected with spliced pole of medical three-way plug valve, the back fixedly connected with baffle of spliced pole, the spout has been seted up to the inside of baffle, the inner wall laminating of spout is provided with the slider, the front of slider and the back fixed connection of first hollow block.
Preferably, the spring force is greater than the sum of the weights of the square cylinder, the second hollow block, the elastic metal sheet and the L-shaped column.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, after the blood taking needle penetrates into the artery of a patient, through the medical three-way plug valve, the first connecting pipe, the second connecting pipe, the blood taking needle head and the test tube needle head, medical staff can directly collect two blood samples through the cooperation of the medical three-way plug valve, the first connecting pipe, the second connecting pipe, the first hose, the second hose and the test tube needle head, so that the puncture times of the blood taking needle are effectively reduced, and meanwhile, through the cooperation of the locking mechanism and the annular groove, the connection between the first connecting pipe and the first hose and the connection between the second connecting pipe and the second hose are firmer, so that the first hose and the second hose cannot fall off in the blood taking process.
(2) According to the utility model, the connecting column, the baffle plate, the sliding groove and the sliding block are arranged, when the sliding block is in contact with the sliding groove, the first connecting pipe is aligned with the first hose or the second connecting pipe is aligned with the second hose through the matching of the sliding block and the sliding groove, and then the second hose and the second hose are convenient to install through the matching of the connecting column, the baffle plate, the sliding groove and the sliding block.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is a schematic view of a locking mechanism of the present utility model;
Fig. 3 is a front view of the baffle of the present utility model.
The medical three-way plug valve comprises a medical three-way plug valve body 1, a first connecting pipe 3, a second connecting pipe 4, a first hose, a second hose 5, a blood taking needle head 6, a test tube needle head 7, an 8, an annular groove 9, a locking mechanism 91, a first hollow block 92, a square column 93, a square cylinder 94, a second hollow block 95, an elastic metal sheet 96, an L-shaped column 97, a spring 10, a rubber ring 11, a connecting column 12, a baffle plate 13, a chute 14 and a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
referring to fig. 1-2, the disposable arteriovenous blood taking needle comprises a medical three-way plug valve 1, a first connecting pipe 2 is fixedly communicated with the left end of the medical three-way plug valve 1, a second connecting pipe 3 is fixedly communicated with the right end of the medical three-way plug valve 1 and the bottom end of the medical three-way plug valve 1, a first hose 4 is arranged on the inner wall of the first connecting pipe 2 in a fitting mode, a second hose 5 is arranged on the inner wall of the second connecting pipe 3 in a fitting mode, the length of the first hose 4 and the length of the second hose 5 are 10cm, a blood taking needle 6 is adhered to the inner wall of the first hose 4, a test tube needle 7 is adhered to the inner wall of the second hose 5, an annular groove 8 is formed in the surface of the first connecting pipe 2 and the surface of the second connecting pipe 3, a locking mechanism 9 is adhered to the surface of the first hose 4 and the surface of the second hose 5, and the surface of the locking mechanism 9 is in contact with the inner wall of the annular groove 8.
The locking mechanism 9 comprises a first hollow block 91, the surface of the first hose 4 and the surface of the second hose 5 are adhered to the inner wall of the first hollow block 91, a square column 92 is fixedly connected to the surface of the first hollow block 91, a square cylinder 93 is sleeved on the surface of the square column 92, a second hollow block 94 is fixedly connected to the front side and the rear side of the square cylinder 93, an elastic metal sheet 95 is fixedly connected to the inner wall of the second hollow block 94, an L-shaped column 96 is fixedly connected to one side, close to the first hollow block 91, of the elastic metal sheet 95, the surface of the L-shaped column 96 is in contact with the inner wall of the annular groove 8, a spring 97 is sleeved on the surface of the square cylinder 93, the spring 97 is located between the first hollow block 91 and the second hollow block 94, the elastic force of the spring 97 is larger than the sum of the weights of the square cylinder 93, the second hollow block 94, the elastic metal sheet 95 and the L-shaped column 96, the thrust force of the second hollow block 94 is exerted by the spring 97 on the second hollow block 94, the L-shaped column 96 is tightly contacted with the annular groove 8, and the first connecting pipe 2 and the second connecting pipe 3 are firmly connected with the second hose 5 through the cooperation of the L-shaped column 96 and the annular groove 8.
Embodiment two:
Referring to fig. 1, a rubber ring 10 is adhered to the surface of the first hose 4, the surface of the second hose 5 and one side of the first hollow block 91, which is close to the medical three-way stopcock 1, and one side of the first connecting pipe 2, which is far away from the medical three-way stopcock 1, and one side of the second connecting pipe 3, which is far away from the medical three-way stopcock 1, are in contact with the side surfaces of the rubber ring 10, and the joints between the first connecting pipe 2 and the first hose 4 and between the second connecting pipe 3 and the second hose 5 are sealed through the rubber ring 10.
Embodiment III:
Referring to fig. 1-3, the back fixedly connected with spliced pole 11 of medical three-way cock valve 1, the back fixedly connected with baffle 12 of spliced pole 11, spout 13 has been seted up to the inside of baffle 12, the laminating of the inner wall of spout 13 is provided with slider 14, the front of slider 14 and the back fixed connection of first hollow block 91, through setting up spliced pole 11, baffle 12, spout 13 and slider 14, wherein, when slider 14 and spout 13 contact, through the cooperation of slider 14 and spout 13, make first connecting pipe 2 and first hose 4 or second connecting pipe 3 and second hose 5 align, and then through the cooperation of spliced pole 11, baffle 12, spout 13 and slider 14, make second hose 5 and second hose 5 comparatively convenient when the installation.
In the present utility model, when using the disposable arteriovenous blood taking needle, the medical staff inserts the first hose 4 into the first connecting tube 2 and inserts the L-shaped column 96 into the annular groove 8 on the first connecting tube 2, at this time, the L-shaped column 96 is tightly contacted with the annular groove 8 by the pushing force of the spring 97 to the second hollow block 94, the first hose 4 is fixed in the first connecting tube 2 by the cooperation of the L-shaped column 96 and the annular groove 8, then the second hose 5 is inserted into the second connecting tube 3 and inserts the L-shaped column 96 into the annular groove 8 on the second connecting tube 3, at this time, the L-shaped column 96 is tightly contacted with the annular groove 8 by the pushing force of the spring 97 to the second hollow block 94, the second hose 5 is fixed in the second connecting tube 3 by the cooperation of the L-shaped column 96 and the annular groove 8, then the blood taking needle 6 is pierced into the patient, the needle 7 is inserted into the blood taking tube, the sample is taken into the two test tubes by controlling the three-way plug valve 1, and after the blood taking from the patient is pulled out of the needle 6.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. Disposable artery and vein blood taking needle, including medical tee bend plug valve (1), its characterized in that, the left end fixedly connected with first connecting pipe (2) of medical tee bend plug valve (1), the right-hand member of medical tee bend plug valve (1) and the bottom of medical tee bend plug valve (1) all are fixed to be linked together have second connecting pipe (3), the inner wall laminating of first connecting pipe (2) is provided with first hose (4), the inner wall laminating of second connecting pipe (3) is provided with second hose (5), the inner wall bonding of first hose (4) has blood taking needle (6), the inner wall bonding of second hose (5) has test tube needle (7), ring channel (8) have all been seted up on the surface of first connecting pipe (2) and the surface of second connecting pipe (3), the surface of first hose (4) and the surface of second hose (5) all bond and have lock mechanism (9), the surface of lock mechanism (9) and the inner wall contact of ring channel (8).
2. The disposable arteriovenous blood taking needle according to claim 1, characterized in that the locking mechanism (9) comprises a first hollow block (91), the surface of the first hose (4) and the surface of the second hose (5) are both adhered to the inner wall of the first hollow block (91), a square column (92) is fixedly connected to the surface of the first hollow block (91), a square cylinder (93) is sleeved on the surface of the square column (92), a second hollow block (94) is fixedly connected to the front side and the rear side of the square cylinder (93), an elastic metal sheet (95) is fixedly connected to the inner wall of the second hollow block (94), an L-shaped column (96) is fixedly connected to one side, close to the first hollow block (91), of the elastic metal sheet (95) is contacted with the inner wall of the annular groove (8), a spring (97) is sleeved on the surface of the square cylinder (93), and the spring (97) is located between the first hollow block (91) and the second hollow block (94).
3. The single use arteriovenous blood lancet according to claim 1, wherein the length of the first hose (4) and the length of the second hose (5) are both 10cm.
4. The disposable arteriovenous blood taking needle according to claim 2, wherein the surface of the first hose (4), the surface of the second hose (5) and one side of the first hollow block (91) close to the medical three-way stopcock (1) are adhered with a rubber ring (10), and one side of the first connecting pipe (2) far away from the medical three-way stopcock (1) and one side of the second connecting pipe (3) far away from the medical three-way stopcock (1) are in contact with the side of the rubber ring (10).
5. The disposable arteriovenous blood taking needle according to claim 1, characterized in that the back of the medical three-way plug valve (1) is fixedly connected with a connecting column (11), the back of the connecting column (11) is fixedly connected with a baffle (12), a chute (13) is formed in the baffle (12), a sliding block (14) is attached to the inner wall of the chute (13), and the front of the sliding block (14) is fixedly connected with the back of the first hollow block (91).
6. The single use arteriovenous blood taking needle as set forth in claim 2 wherein the spring (97) has an elastic force greater than the sum of the weights of the square cylinder (93), the second hollow block (94), the elastic metal sheet (95) and the L-shaped column (96).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420472256.1U CN222323557U (en) | 2024-03-12 | 2024-03-12 | Disposable arteriovenous blood collection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420472256.1U CN222323557U (en) | 2024-03-12 | 2024-03-12 | Disposable arteriovenous blood collection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222323557U true CN222323557U (en) | 2025-01-10 |
Family
ID=94131958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420472256.1U Active CN222323557U (en) | 2024-03-12 | 2024-03-12 | Disposable arteriovenous blood collection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222323557U (en) |
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- 2024-03-12 CN CN202420472256.1U patent/CN222323557U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |