CN220158246U - Venous blood sampling device - Google Patents
Venous blood sampling device Download PDFInfo
- Publication number
- CN220158246U CN220158246U CN202321459638.2U CN202321459638U CN220158246U CN 220158246 U CN220158246 U CN 220158246U CN 202321459638 U CN202321459638 U CN 202321459638U CN 220158246 U CN220158246 U CN 220158246U
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- CN
- China
- Prior art keywords
- fixedly connected
- plug
- isolation cylinder
- fixing plate
- venous blood
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 33
- 239000008280 blood Substances 0.000 claims abstract description 30
- 210000004369 blood Anatomy 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 210000003462 vein Anatomy 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses a vein blood sampling device, which relates to the technical field of medical equipment and comprises a connecting pipe, wherein one end of the connecting pipe is fixedly connected with a blood taking needle, the other end of the connecting pipe is fixedly connected with a plug, the outer surface of the plug is slidably connected with an isolation cylinder, the outer surface of the plug is provided with an elastic pressing mechanism, two sides of the lower surface of the isolation cylinder are symmetrically and slidably connected with baffle plates, an elastic mechanism is arranged between the baffle plates and the isolation cylinder, a pushing mechanism is arranged in the isolation cylinder and comprises a vertical rod symmetrically and slidably inserted at the top of the isolation cylinder, and the upper surface of the baffle plate is provided with a chute.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a venous blood sampling device.
Background
A venous blood sampling method, a method for drawing a certain amount of venous blood through a needle tube. Superficial veins on the body surface are often used, usually the elbow vein, dorsal hand vein, medial malleolus vein or femoral vein. The infant can collect blood from the external jugular vein. Different types of syringes can be selected according to the blood sampling amount, and corresponding needles are provided.
At present, in order to reduce the puncture times of patients, a blood taking needle is usually separated from a blood taking tube, and the blood taking tube is usually under negative pressure, when the blood taking tube is used, only a plug connected with the blood taking needle is required to be inserted into a negative pressure blood taking tube, but when multi-tube blood needs to be collected, the plug is required to be pulled out first and then is inserted into a new negative pressure blood taking tube, in the process, the plug can be contacted with the outside, and pollution is easy to happen, so that the venous blood taking device is provided.
Disclosure of Invention
The present utility model is directed to an intravenous blood sampling device, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vein blood sampling device, includes the connecting pipe, connecting pipe one end fixedly connected with blood taking needle, the connecting pipe other end fixedly connected with plug, plug surface sliding connection has an isolation section of thick bamboo, the plug surface is provided with elasticity pressing mechanism, isolation section of thick bamboo lower surface bilateral symmetry sliding connection has the baffle, just be provided with elastic mechanism between baffle and the isolation section of thick bamboo, be provided with pushing mechanism in the isolation section of thick bamboo.
Preferably, the pushing mechanism comprises vertical rods symmetrically and slidably inserted at the tops of the isolation cylinders, inclined slots are formed in the upper surfaces of the baffle plates, the tops of the two vertical rods are connected with connecting plates together, and clamping mechanisms are arranged on the outer surfaces of the vertical rods.
Preferably, the clamping mechanism comprises a clamping block fixedly arranged on the outer surface of the vertical rod, a clamping groove is formed in the isolation cylinder, and the clamping block is matched with the clamping groove.
Preferably, the elastic pressing mechanism comprises a pressing plate fixedly connected to the top of the plug, a circular plate is fixedly connected to the outer surface of the bottom of the plug and is arranged inside the isolation cylinder, a second spring is sleeved on the outer surface of the plug, the upper end of the second spring is fixedly connected with the isolation cylinder, and the lower end of the second spring is fixedly connected with the circular plate.
Preferably, the elastic mechanism comprises a first fixing plate fixedly arranged on the outer surface of the baffle, a second fixing plate is fixedly connected to the bottom of the isolation cylinder, T-shaped rods are symmetrically and fixedly connected to two sides of the outer surface of the second fixing plate, the T-shaped rods penetrate through the first fixing plate in a sliding mode, a first spring is sleeved on the outer surface of the T-shaped rods, one end of the first spring is fixedly connected with the T-shaped rods, and the other end of the first spring is fixedly connected with the first fixing plate.
Preferably, two baffle plates are fixedly connected with magnetic plates on the sides close to each other, and the two magnetic plates are attracted to each other.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the pushing mechanism is matched with the elastic mechanism, so that the baffle plates can be moved to control the opening and closing of the isolation cylinder, the plug is retracted into the isolation cylinder when the negative pressure blood collection cylinder is replaced, and the two baffle plates are closed, so that the plug is prevented from contacting the outside, and pollution is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a part of the structure of the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 2;
fig. 5 is an enlarged view of the present utility model at B in fig. 3.
In the figure: 1. a connecting pipe; 2. a blood taking needle; 3. an isolation cylinder; 4. pressing the plate; 5. a plug; 6. a connecting plate; 7. a first fixing plate; 8. a second fixing plate; 9. a T-shaped rod; 10. a first spring; 11. a baffle; 12. a chute; 13. a vertical rod; 14. a second spring; 15. a circular plate; 16. a clamping block; 17. a clamping groove; 18. a magnetic plate.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5 for describing embodiment 1, an intravenous blood sampling device is shown, and in order to achieve the above-mentioned object, the present utility model provides the following technical solutions: the utility model provides a vein blood sampling device, includes connecting pipe 1, connecting pipe 1 one end fixedly connected with blood taking needle 2, connecting pipe 1 other end fixedly connected with plug 5, plug 5 surface sliding connection has a spacer tube 3, and plug 5 surface is provided with elasticity pressing mechanism, spacer tube 3 lower surface both sides symmetry sliding connection has baffle 11, and is provided with elastic mechanism between baffle 11 and the spacer tube 3, is provided with pushing mechanism in the spacer tube 3.
Referring to fig. 1-3, the pushing mechanism includes vertical rods 13 symmetrically and slidably inserted into the top of the isolation cylinder 3, a chute 12 is formed on the upper surface of the baffle 11, the tops of the two vertical rods 13 are connected with a connecting plate 6, and a clamping mechanism is arranged on the outer surface of the vertical rod 13.
Referring to fig. 1-5, the clamping mechanism includes a clamping block 16 fixedly mounted on the outer surface of the vertical rod 13, a clamping groove 17 is formed in the isolation cylinder 3, and the clamping block 16 is adapted to the clamping groove 17.
Referring to fig. 1-3, the elastic pressing mechanism includes a pressing plate 4 fixedly connected to the top of the plug 5, a circular plate 15 fixedly connected to the outer surface of the bottom of the plug 5, the circular plate 15 is inside the isolation cylinder 3, a second spring 14 is sleeved on the outer surface of the plug 5, the upper end of the second spring 14 is fixedly connected to the isolation cylinder 3, and the lower end of the second spring 14 is fixedly connected to the circular plate 15.
Referring to fig. 1-4, the elastic mechanism includes a first fixing plate 7 fixedly installed on an outer surface of a baffle 11, a second fixing plate 8 fixedly connected to a bottom of the isolation cylinder 3, two symmetrical and fixedly connected T-shaped rods 9 on two sides of the outer surface of the second fixing plate 8, the T-shaped rods 9 slidably penetrate through the first fixing plate 7, a first spring 10 is sleeved on the outer surface of the T-shaped rods 9, one end of the first spring 10 is fixedly connected with the T-shaped rods 9, and the other end of the first spring 10 is fixedly connected with the first fixing plate 7.
In this embodiment, through setting up an isolation section of thick bamboo 3 and baffle 11, can keep apart plug 5, prevent plug 5 and external contact, the concrete operation is: firstly, the blood taking needle 2 is inserted into a blood vessel of a patient, then the connecting plate 6 is pressed, the vertical rod 13 is driven to move downwards, the vertical rod 13 moves downwards to push the two baffles 11 to move to two sides, so that the lower end of the isolation cylinder 3 is opened, and at the moment, the first spring 10 is compressed, the clamping block 16 is arranged on the outer surface of the vertical rod 13, when the vertical rod 13 is pressed, the clamping block 16 enters the clamping groove 17, the positions of the vertical rod 13 and the baffles 11 are fixed, the lower end of the isolation cylinder 3 is kept open, then the pressing plate 4 is pressed downwards, the plug 5 is driven to move out of the isolation cylinder 3, at the moment, the second spring 14 is elongated, then the plug 5 is inserted into the negative pressure blood taking cylinder, and blood is sucked into the negative pressure blood taking cylinder, so that blood collection is completed.
In this embodiment, when multiple tubes of blood need to be collected, first, plug 5 is pulled out from the negative pressure blood collection tube, and then is acted by the elasticity of second spring 14, so that plug 5 is driven to rapidly move into isolation tube 3, connecting plate 6 is moved upwards, vertical rod 13 is moved upwards along with the plug, and first spring 10 is elongated, so that two baffles 11 are driven to approach each other, isolation tube 3 is sealed, plug 5 can be isolated, and pollution of plug 5 when the negative pressure blood collection tube is replaced is avoided.
Example 2
Referring to fig. 1-3, magnetic plates 18 are fixedly connected to the sides of the two baffles 11, which are close to each other, and the two magnetic plates 18 attract each other.
In this embodiment, by providing the magnetic plate 18, the two baffles 11 can be connected more tightly, so as to isolate the plug 5 better.
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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vein blood sampling device, includes connecting pipe (1), its characterized in that, connecting pipe (1) one end fixedly connected with blood taking needle (2), connecting pipe (1) other end fixedly connected with plug (5), plug (5) surface sliding connection has a section of thick bamboo (3) of keeping apart, plug (5) surface is provided with elasticity pressing mechanism, a section of thick bamboo (3) lower surface bilateral symmetry sliding connection has baffle (11), just be provided with elastic mechanism between baffle (11) and the section of thick bamboo (3) of keeping apart, be provided with pushing mechanism in the section of thick bamboo (3) of keeping apart.
2. The venous blood collection device of claim 1, wherein: the pushing mechanism comprises vertical rods (13) symmetrically and slidably inserted at the tops of the isolation barrels (3), inclined grooves (12) are formed in the upper surfaces of the baffles (11), connecting plates (6) are connected to the tops of the two vertical rods (13) together, and clamping mechanisms are arranged on the outer surfaces of the vertical rods (13).
3. The venous blood collection device of claim 2, wherein: the clamping mechanism comprises a clamping block (16) fixedly arranged on the outer surface of the vertical rod (13), a clamping groove (17) is formed in the isolation cylinder (3), and the clamping block (16) is matched with the clamping groove (17).
4. The venous blood collection device of claim 1, wherein: the elastic pressing mechanism comprises a pressing plate (4) fixedly connected to the top of the plug (5), a circular plate (15) is fixedly connected to the outer surface of the bottom of the plug (5), the circular plate (15) is arranged inside the isolation cylinder (3), a second spring (14) is sleeved on the outer surface of the plug (5), the upper end of the second spring (14) is fixedly connected with the isolation cylinder (3), and the lower end of the second spring (14) is fixedly connected with the circular plate (15).
5. The venous blood collection device of claim 1, wherein: the elastic mechanism comprises a first fixing plate (7) fixedly mounted on the outer surface of a baffle plate (11), a second fixing plate (8) is fixedly connected to the bottom of the isolation cylinder (3), T-shaped rods (9) are symmetrically and fixedly connected to two sides of the outer surface of the second fixing plate (8), the T-shaped rods (9) penetrate through the first fixing plate (7) in a sliding mode, first springs (10) are sleeved on the outer surfaces of the T-shaped rods (9), one ends of the first springs (10) are fixedly connected with the T-shaped rods (9), and the other ends of the first springs (10) are fixedly connected with the first fixing plate (7).
6. The venous blood collection device of claim 1, wherein: and one sides of the two baffles (11) close to each other are fixedly connected with magnetic plates (18), and the two magnetic plates (18) are attracted to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321459638.2U CN220158246U (en) | 2023-06-09 | 2023-06-09 | Venous blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321459638.2U CN220158246U (en) | 2023-06-09 | 2023-06-09 | Venous blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220158246U true CN220158246U (en) | 2023-12-12 |
Family
ID=89055295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321459638.2U Active CN220158246U (en) | 2023-06-09 | 2023-06-09 | Venous blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220158246U (en) |
-
2023
- 2023-06-09 CN CN202321459638.2U patent/CN220158246U/en active Active
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