CN214284929U - Negative pressure type blood sampling needle tube - Google Patents
Negative pressure type blood sampling needle tube Download PDFInfo
- Publication number
- CN214284929U CN214284929U CN202022871811.2U CN202022871811U CN214284929U CN 214284929 U CN214284929 U CN 214284929U CN 202022871811 U CN202022871811 U CN 202022871811U CN 214284929 U CN214284929 U CN 214284929U
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- Prior art keywords
- blood
- needle
- cover
- tube body
- negative pressure
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- Expired - Fee Related
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- 238000010241 blood sampling Methods 0.000 title claims abstract description 20
- 239000008280 blood Substances 0.000 claims abstract description 85
- 210000004369 blood Anatomy 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000036772 blood pressure Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to the field of medical equipment, in particular to a negative pressure type blood sampling needle tube, which comprises a tube body, wherein the upper surface of the tube body is provided with an opening, the lower surface of the tube body is provided with a needle hole, the top of the tube body is provided with a blood drawing mechanism capable of automatically drawing blood when drawing blood, and the top and the bottom of the tube body are provided with sealing mechanisms when not drawing blood, so that the utility model realizes full-automatic blood sampling which is separated from manual control through the blood drawing mechanism, and the blood sampling process and the required blood sampling amount are more accurate; the tube body after blood collection is sealed through the sealing mechanism, so that the tube body is directly formed into a blood storage device through the blood collection tube, and the blood collection device is a disposable article and can not be used for multiple times.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically a negative pressure formula blood sampling needle tubing.
Background
The blood taking needle is an instrument for collecting blood samples in the medical examination process and comprises a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a return spring is arranged between the protective sleeve and the needle rod, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod.
The existing blood sampling measures are usually to manually take blood, then manually collected blood is put into a blood storage tube, but when a blood-collected object loses blood pressure under certain special conditions, the blood can not automatically enter the blood vessel due to the blood pressure, a negative pressure type blood sampling tube is needed, but the whole process is manually operated, so that the manual operation can make a fault, and the conditions of excessive blood collection or insufficient blood collection occur, so that a negative pressure type blood sampling needle tube is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative pressure formula blood sampling needle tubing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the negative pressure type blood sampling needle tube comprises a tube body, wherein an opening is formed in the upper surface of the tube body, a needle hole is formed in the lower surface of the tube body, a blood drawing mechanism capable of automatically drawing blood is arranged at the top of the tube body when the blood is drawn, and sealing mechanisms are arranged at the top and the bottom of the tube body when the blood is not drawn.
Preferably: the blood drawing mechanism comprises a blood drawing cover which is movably connected to the top of the tube body, and the blood drawing mechanism is used for carrying out full-automatic blood drawing on a blood-drawn object under the condition that the blood pressure of the blood-drawn object is lost, so that errors and errors caused by manual blood drawing are reduced.
Preferably: the sealing mechanism comprises a bottom cover and a top cover, the bottom cover is movably connected to the top of the tube body, the top cover is movably connected to the bottom of the tube body, the sealing mechanism is used for directly sealing the tube body after the blood sampling process is completed, the tube body is not required to be led into new blood storage equipment, and the blood is prevented from being polluted in multiple diversion.
Preferably: draw blood lid including opening stopper, micro vacuum pump, bloodletting needle and strain the blood hole, opening stopper and body inner wall swing joint, the inside fixed mounting of opening stopper has micro vacuum pump, micro vacuum pump bottom swing joint has the bloodletting needle, bloodletting needle outer wall department has seted up a plurality of groups and has strained the blood hole, the opening stopper is used for making the lid of drawing blood and body threaded connection and fixed, micro vacuum pump is used for managing to find time the inside air of body and bloodletting needle for blood gets into and gets into inside the body through straining the blood hole from the bloodletting needle because of the reason of pressure.
Preferably: the bottom cover is internally provided with a needle plug which is fixedly connected to the lower surface axle center of the bottom cover, the top cover is internally provided with a stud, the stud is fixedly connected to the lower surface axle center of the top cover, the needle plug is used for plugging a needle hole, the stud is used for plugging an opening, and the needle plug and the stud enable the tube body to be sealed to avoid contacting with air so that collected blood is purer.
Preferably: the bottom of the outer wall of the pipe body and the top of the inner wall of the pipe body are both provided with threads, the inner wall of the bottom cover, the outer wall of the stud and the outer wall of the opening plug are all provided with threads, and the bottom cover, the stud and the opening plug are all in threaded connection and fixed with the pipe body through threads.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the blood sampling mechanism realizes full-automatic blood sampling without manual control, so that the blood sampling process and the required blood sampling amount are more accurate;
2. the tube body after blood collection is sealed through the sealing mechanism, so that the tube body is directly formed into a blood storage device through the blood collection tube, and the blood collection device is a disposable article and can not be used for multiple times.
Drawings
Fig. 1 is a side view of the tube body of the present invention;
fig. 2 is a side view of the tube body of the present invention from another perspective;
FIG. 3 is a side view of the blood drawing cover of the present invention;
fig. 4 is a side view of the bottom cover of the present invention;
fig. 5 is a side view of the top cover of the present invention;
fig. 6 is an assembly diagram of the blood sampling device of the present invention.
In the figure: 1. a pipe body; 2. a blood drawing mechanism; 3. a sealing mechanism; 11. an opening; 12. a pinhole; 21. a blood drawing cover; 31. a bottom cover; 32. a top cover; 211. an opening plug; 212. a micro vacuum pump; 213. blood drawing needle; 214. filtering blood pores; 311. a needle plug; 321. a stud.
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. 1-6, a negative pressure type blood sampling needle tube comprises a tube body 1, the tube body 1, an opening 11 formed on the upper surface of the tube body 1, a needle hole 12 formed on the lower surface of the tube body 1, a blood drawing mechanism 2 capable of automatically drawing blood arranged on the top of the tube body 1 during blood drawing, and sealing mechanisms 3 arranged on the top and the bottom of the tube body 1 during non-blood drawing.
The blood drawing mechanism 2 comprises a blood drawing cover 21, and the blood drawing cover 21 is movably connected to the top of the tube body 1; the sealing mechanism 3 comprises a bottom cover 31 and a top cover 32, the bottom cover 31 is movably connected to the top of the tube body 1, and the top cover 32 is movably connected to the bottom of the tube body 1; the blood drawing cover 21 comprises an opening plug 211, a micro vacuum pump 212, a blood drawing needle 213 and a blood filtering hole 214, the opening plug 211 is movably connected with the inner wall of the tube body 1, the micro vacuum pump 212 is fixedly installed inside the opening plug 211, the bottom of the micro vacuum pump 212 is movably connected with the blood drawing needle 213, and a plurality of groups of blood filtering holes 214 are formed in the outer wall of the blood drawing needle 213; the bottom cover 31 comprises a needle plug 311 inside, the needle plug 311 is fixedly connected to the lower surface axis of the bottom cover 31, the top cover 32 comprises a stud 321 inside, and the stud 321 is fixedly connected to the lower surface axis of the top cover 32; the bottom of the outer wall of the pipe body 1 and the top of the inner wall are both provided with threads, the inner wall of the bottom cover 31, the outer wall of the stud 321 and the outer wall of the opening plug 211 are both provided with threads, and the bottom cover 31, the stud 321 and the opening plug 211 are all in threaded connection and fixed with the pipe body 1 through threads.
The micro vacuum pump 212 is a production technology and equipment that are already in use in real life.
In the scheme: the opening plug 211 in the blood drawing cover 21 is in threaded connection with the opening 11 in the tube body 1 for drawing blood, the micro vacuum pump 212 is used for pumping out air in the tube body 1 and the blood drawing needle 213, so that blood flows in from the blood drawing needle 213 and flows into the tube body 1 through the blood filtering hole 214, after the blood drawing is finished, the blood drawing cover 21 is separated from the tube body 1, the bottom cover 31 is in threaded connection with the bottom of the tube body 1, the needle plug 311 is used for blocking the needle hole 12, the top cover 32 is in threaded connection with the top of the tube body 1, the stud 321 is used for blocking the opening 11, and the bottom cover 31, the top cover 32 and the tube body 1 form a combined blood storage device for storing blood.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 (6)
1. The utility model provides a negative pressure formula blood sampling needle tubing, includes body (1), its characterized in that: the utility model discloses a blood taking device, including body (1), opening (11) have been seted up to body (1) upper surface, pinhole (12) have been seted up to body (1) lower surface, body (1) top is provided with blood taking mechanism (2) that can carry out automatic blood taking when drawing blood, body (1) top and bottom all are provided with sealing mechanism (3) when not drawing blood.
2. The negative pressure blood collection needle tube of claim 1, wherein: the blood drawing mechanism (2) comprises a blood drawing cover (21), and the blood drawing cover (21) is movably connected to the top of the tube body (1).
3. The negative pressure blood collection needle tube of claim 1, wherein: the sealing mechanism (3) comprises a bottom cover (31) and a top cover (32), the bottom cover (31) is movably connected to the top of the pipe body (1), and the top cover (32) is movably connected to the bottom of the pipe body (1).
4. The negative pressure blood collection needle tube of claim 2, wherein: draw blood lid (21) including opening stopper (211), micro vacuum pump (212), blood drawing needle (213) and strain blood hole (214), opening stopper (211) and body (1) inner wall swing joint, the inside fixed mounting of opening stopper (211) has micro vacuum pump (212), micro vacuum pump (212) bottom swing joint has blood drawing needle (213), blood drawing needle (213) outer wall department has seted up a plurality of groups and has strained blood hole (214).
5. The negative pressure blood collection needle tube of claim 3, wherein: the bottom cover (31) comprises a needle plug (311) inside, the needle plug (311) is fixedly connected to the lower surface axis of the bottom cover (31), the top cover (32) comprises a stud (321) inside, and the stud (321) is fixedly connected to the lower surface axis of the top cover (32).
6. The negative pressure blood collection needle tube of claim 3, wherein: the bottom of the outer wall of the pipe body (1) and the top of the inner wall are both provided with threads, the inner wall of the bottom cover (31), the outer wall of the stud (321) and the outer wall of the opening plug (211) are all provided with threads, and the bottom cover (31), the stud (321) and the opening plug (211) are all in threaded connection and fixed with the pipe body (1) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871811.2U CN214284929U (en) | 2020-12-04 | 2020-12-04 | Negative pressure type blood sampling needle tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871811.2U CN214284929U (en) | 2020-12-04 | 2020-12-04 | Negative pressure type blood sampling needle tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214284929U true CN214284929U (en) | 2021-09-28 |
Family
ID=77845936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022871811.2U Expired - Fee Related CN214284929U (en) | 2020-12-04 | 2020-12-04 | Negative pressure type blood sampling needle tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214284929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115222A (en) * | 2022-11-22 | 2023-05-16 | 济南海关技术中心 | Blood collector for ruminant epidemic disease prevention |
-
2020
- 2020-12-04 CN CN202022871811.2U patent/CN214284929U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115222A (en) * | 2022-11-22 | 2023-05-16 | 济南海关技术中心 | Blood collector for ruminant epidemic disease prevention |
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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: 20210928 |