CN221180430U - Vacuum type blood sampling device - Google Patents
Vacuum type blood sampling device Download PDFInfo
- Publication number
- CN221180430U CN221180430U CN202322304986.9U CN202322304986U CN221180430U CN 221180430 U CN221180430 U CN 221180430U CN 202322304986 U CN202322304986 U CN 202322304986U CN 221180430 U CN221180430 U CN 221180430U
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- fixedly connected
- seat
- sampling
- sampling device
- wall fixedly
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 64
- 241000446313 Lamella Species 0.000 claims abstract description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 18
- 210000004369 blood Anatomy 0.000 abstract description 18
- 239000012528 membrane Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a vacuum type blood sampling device, which comprises: the sampling seat, the lower lateral wall fixedly connected with adapter sleeve of sampling seat, the adapter sleeve passes through threaded sleeve threaded connection and has the connecting seat, the last inner wall fixedly connected with screwed ring of connecting seat, the screwed ring passes through external screw thread threaded connection and has the sampling tube, the inside wall fixedly connected with of sampling tube the lateral wall fixedly connected with go up the dog of go up the link, the inside wall fixedly connected with stopper of connecting seat, the last inner wall fixedly connected with cooperation lid of connecting seat, the lower lateral wall fixedly connected with of cooperation lid a plurality of lamella diaphragms. According to the utility model, the valve membrane can be tightly attached to the sampling tube after the sampling needle is inserted into the sampling tube, so that the entry of external air is effectively reduced, the sampling tube can be sealed after the sampling needle is pulled out, and the time for contacting the blood sample with the external air is effectively reduced by matching with the cover and the valve membrane.
Description
Technical Field
The utility model relates to the technical field of blood sampling, in particular to a vacuum type blood sampling device.
Background
The vacuum blood collection tube with vacuum negative pressure has the advantages that the requirement on the stability of original properties of blood samples is raised by the large-scale use of an automatic instrument and the preservation of blood, so that the vacuum blood collection technology breaks through the requirement of safety only, and performance indexes such as accuracy, original properties of samples, maintenance time, tube machine matching, test tube strength and the like can be used as the basis for evaluating the quality of the vacuum blood collection tube, the vacuum blood collection tube is very commonly used in modern medical treatment, and then the blood collected by the vacuum blood collection tube is subjected to a series of test and detection.
However, the existing tube is too long in contact time between the blood sample and the outside air when the blood sample is required, and the detection accuracy of the blood sample is easily reduced greatly.
Disclosure of utility model
The utility model aims at solving at least one of the technical problems in the prior art, and provides a vacuum type blood sampling device, which is provided with a connecting seat, a matching cover and a valve sheet, wherein the valve sheet can be tightly attached to a sampling tube after a sampling needle is inserted into the sampling tube, so that the entry of external air is effectively reduced, the sampling tube can be sealed by the valve sheet after the sampling needle is pulled out, the time for contacting the blood sample with the external air is effectively reduced by the matching cover and the valve sheet, and the blood sample detection precision is effectively improved;
The device has set up dog and stopper, can effectively restrict the rotation of connecting seat and sampling tube through the setting of stopper and dog, the separation of connecting seat and sampling tube when effectively having avoided separation sampling seat and connecting seat has improved the practicality of device greatly.
The utility model also provides a vacuum blood sampling device, which comprises: the sampling device comprises a sampling seat, wherein a placing groove is formed in the sampling seat, a bidirectional needle seat is movably connected to the sampling seat through the placing groove, a connecting block is fixedly connected to one end of the bidirectional needle seat, a plurality of matching grooves are formed in the right side wall of the connecting block, a limit column is movably connected to the inside of the matching grooves, and a connecting frame is fixedly connected to one end of the limit column;
The lower side wall of the sampling seat is fixedly connected with a connecting sleeve, the connecting sleeve is connected with a connecting seat through a thread sleeve thread, the upper inner wall of the connecting seat is fixedly connected with a thread ring, the thread ring is connected with a sampling tube through an external thread, the inner side wall of the sampling tube is fixedly connected with the outer side wall of the sampling tube and is fixedly connected with a connecting ring, the upper side wall fixedly connected with dog of go up the ring, the inside wall fixedly connected with stopper of connecting seat, the upper inner wall fixedly connected with cooperation lid of connecting seat, the lower lateral wall fixedly connected with of cooperation lid a plurality of lamella membrane.
According to the vacuum blood sampling device, a reset spring is fixedly connected between the connecting frame and the sampling seat, so that the connecting frame is convenient to reset.
According to the vacuum blood sampling device, the outer side wall of the connecting seat is made of PP material, so that the connecting seat is convenient to bend, and the limiting block is not limited by the limiting block.
According to the vacuum blood sampling device, the connecting block is internally fixedly connected with the bidirectional needle main body, and the lower end of the bidirectional needle main body is arranged inside the sampling tube, so that blood samples can be conveniently led into the sampling tube.
According to the vacuum blood sampling device, the external threads are fixedly connected with the outer side wall of the sampling tube, and the sampling tube is connected to the connecting seat through the external threads.
According to the vacuum blood sampling device, the limiting column is in sliding connection with the sampling seat, so that the sliding stability of the limiting column is improved.
According to the vacuum blood sampling device, an elastic pad is fixedly connected between the threaded ring and the inner side wall of the connecting seat, so that the deformation of the connecting seat is facilitated.
According to the vacuum blood sampling device, one surface of the stop block, which is far away from the limiting block, is provided with the guide inclined surface, the guide inclined surface is matched with the stop block, and the screwing between the threaded ring and the external threads is not affected.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of a vacuum blood sampling device according to the present utility model;
FIG. 2 is a schematic view of a bi-directional needle of a vacuum blood sampling device according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a vacuum blood sampling device according to the present utility model;
FIG. 4 is an enlarged schematic view of a vacuum blood sampling device according to the present utility model;
fig. 5 is a schematic diagram illustrating cooperation between a stopper and a stopper of a vacuum blood sampling device according to the present utility model.
Legend description:
1. A sampling seat; 101. connecting sleeves; 2. a connecting frame; 201. a return spring; 202. a limit column; 3. a connecting seat; 301. a sampling tube; 3011. a mating cover; 3012. a flap sheet; 302. a connecting ring; 3021. a stop block; 3022. a guide slope; 303. an external thread; 304. a limiting block; 305. an elastic pad; 306. a threaded ring; 307. a thread sleeve; 4. a two-way needle seat; 401. a bi-directional needle body; 402. a connecting block; 4021. and a mating groove.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, a vacuum blood sampling device according to an embodiment of the present utility model includes: sampling seat 1, the inside of sampling seat 1 is provided with the standing groove, sampling seat 1 is through standing groove swing joint's two-way needle file 4, the one end fixedly connected with connecting block 402 of two-way needle file 4, the inside fixedly connected with two-way needle main part 401 of connecting block 402, the lower extreme setting of two-way needle main part 401 is inside sampling tube 301, be convenient for with the leading-in sampling tube 301 of blood sample in, the right side wall of connecting block 402 is provided with a plurality of cooperation grooves 4021, the inside swing joint of cooperation groove 4021 has spacing post 202, the one end fixedly connected with link 2 of spacing post 202, fixedly connected with reset spring 201 between link 2 and the sampling seat 1, the reset of link 2 of being convenient for, be sliding connection between spacing post 202 and the sampling seat 1, improve spacing post 202 gliding stability.
The lower lateral wall fixedly connected with adapter sleeve 101 of sample holder 1, adapter sleeve 101 passes through threaded sleeve 307 threaded connection and connects seat 3, the lateral wall of connecting seat 3 adopts the PP material to make, be convenient for crooked, make stopper 304 no longer carry out spacingly to dog 3021, the last inner wall fixedly connected with screwed ring 306 of connecting seat 3, fixedly connected with elastic pad 305 between the inside wall of screwed ring 306 and connecting seat 3, be convenient for the deformation of connecting seat 3, screwed ring 306 has sampling tube 301 through external screw 303 threaded connection, be fixed connection between external screw 303 and the lateral wall of sampling tube 301, sampling tube 301 passes through external screw connection on connecting seat 3, the lateral wall fixedly connected with sampling tube 301's of inside wall fixedly connected with go-between 302, the last lateral wall fixedly connected with dog 3021 of go-between 302, the inside wall fixedly connected with stopper 304 of connecting seat 3, the last inner wall fixedly connected with cooperation lid 3011 of going up of connecting seat 3, the lower lateral wall fixedly connected with a plurality of pieces 3012 of cooperation lid 3011, the one side that the dog 3021 kept away from stopper 304 is provided with direction inclined plane 3022, direction inclined plane 3022 and no influence between screw thread and the cooperation of dog 3021.
Working principle: when the sampling device is used, firstly, the limiting column 202 is pulled away through the connecting frame 2, the bidirectional needle seat 4 is inserted into the placing groove, the connecting frame 2 is loosened, the reset spring 201 can drive the connecting frame 2 to move to the right side, the bidirectional needle seat 4 is fixed through the limiting column 202 and the matching groove 4021, then one end of the bidirectional needle body 401 is pricked into the skin to take blood, the blood quickly flows into the sampling test tube 10 due to negative pressure inside the sampling tube 301, after sampling is finished, the sampling seat 1 is rotated, the sampling seat 1 is separated from the connecting seat 3, the bidirectional needle body 401 is pulled out, the contact between the sampling tube 301 and the external air can be effectively reduced due to the existence of the valve sheet 3012, the sampling accuracy of the device is improved, when the sample is required to be detected, the part of the connecting seat 3 located on the outer side of the elastic pad 305 is pressed, the stop block 3021 is not blocked by the limiting block 304, and the connecting seat 3 can be separated from the sampling tube 301 by screwing the connecting seat 3.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A vacuum blood sampling device, comprising: the sampling device comprises a sampling seat (1), wherein a placing groove is formed in the sampling seat (1), the sampling seat (1) is movably connected with a bidirectional needle seat (4) through the placing groove, one end of the bidirectional needle seat (4) is fixedly connected with a connecting block (402), the right side wall of the connecting block (402) is provided with a plurality of matching grooves (4021), a limit column (202) is movably connected in the matching grooves (4021), and one end of the limit column (202) is fixedly connected with a connecting frame (2);
The lower side wall of the sampling seat (1) is fixedly connected with a connecting sleeve (101), the connecting sleeve (101) is in threaded connection with a connecting seat (3) through a threaded sleeve (307), the upper inner wall of the connecting seat (3) is fixedly connected with a threaded ring (306), the threaded ring (306) is in threaded connection with a sampling tube (301) through an external thread (303), the inner side wall fixedly connected with of sampling tube (301) lateral wall fixedly connected with go-between (302), go-between (302) last lateral wall fixedly connected with dog (3021), the inside wall fixedly connected with stopper (304) of connecting seat (3), go-between (3) last inner wall fixedly connected with cooperation lid (3011), the lower lateral wall fixedly connected with of cooperation lid (3011) a plurality of lamella diaphragm (3012).
2. The vacuum blood sampling device according to claim 1, wherein a return spring (201) is fixedly connected between the connecting frame (2) and the sampling seat (1).
3. The vacuum blood sampling device according to claim 1, wherein the outer side wall of the connecting seat (3) is made of PP material.
4. The vacuum blood sampling device according to claim 1, wherein the connecting block (402) is fixedly connected with a bi-directional needle body (401), and the lower end of the bi-directional needle body (401) is arranged inside the sampling tube (301).
5. The vacuum blood sampling device of claim 1, wherein the external threads (303) are fixedly connected to the outer sidewall of the sampling tube (301).
6. The vacuum blood sampling device according to claim 1, wherein the limiting column (202) is in sliding connection with the sampling seat (1).
7. The vacuum blood sampling device according to claim 1, wherein an elastic pad (305) is fixedly connected between the threaded ring (306) and the inner side wall of the connecting seat (3).
8. The vacuum blood sampling device according to claim 1, wherein a guide inclined surface (3022) is arranged on one surface of the stop block (3021) far away from the limiting block (304), and the guide inclined surface (3022) is matched with the stop block (3021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304986.9U CN221180430U (en) | 2023-08-28 | 2023-08-28 | Vacuum type blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304986.9U CN221180430U (en) | 2023-08-28 | 2023-08-28 | Vacuum type blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221180430U true CN221180430U (en) | 2024-06-21 |
Family
ID=91519953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304986.9U Active CN221180430U (en) | 2023-08-28 | 2023-08-28 | Vacuum type blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221180430U (en) |
-
2023
- 2023-08-28 CN CN202322304986.9U patent/CN221180430U/en active Active
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