CN214965650U - Convenient to use's artery blood gas needle - Google Patents
Convenient to use's artery blood gas needle Download PDFInfo
- Publication number
- CN214965650U CN214965650U CN202023325891.8U CN202023325891U CN214965650U CN 214965650 U CN214965650 U CN 214965650U CN 202023325891 U CN202023325891 U CN 202023325891U CN 214965650 U CN214965650 U CN 214965650U
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- Prior art keywords
- needle
- sealing
- hole
- arc
- blood
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- Expired - Fee Related
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- 239000008280 blood Substances 0.000 title claims abstract description 48
- 210000004369 blood Anatomy 0.000 title claims abstract description 48
- 210000001367 artery Anatomy 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 108
- 210000002445 nipple Anatomy 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 6
- 238000004868 gas analysis Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides an artery blood-gas needle with convenient use, which comprises a needle cylinder, a sealing mechanism and a puncture mechanism; the sealing mechanism comprises a first sealing component detachably arranged at the front end of the needle cylinder and a second sealing component detachably arranged at the front end of the first sealing component; the second sealing part is provided with a needle head connecting part and a second through hole communicated with the needle head connecting part; the first sealing component is provided with a sealing switch and a first through hole for inserting the needle cylinder nipple; the second sealing part can rotate relative to the first sealing part, and the sealing switch is opened or closed when the second sealing part rotates, so that the second through hole is communicated with or blocked from the first through hole; when the utility model is used, the second sealing part and the first sealing part are separated in sequence, thus avoiding the nipple from being exposed in the air and having good effect of isolating the blood; through the arc piece is sealed, can avoid the air to get into nipple inside, be favorable to improving the precision that the blood gas detected.
Description
Technical Field
The utility model relates to the field of medical equipment, especially relate to a convenient to use's artery blood gas needle.
Background
The blood gas analysis is a means for understanding the respiratory function and the acid-base equilibrium state of a human body by measuring the H + concentration of human blood and the gas (mainly CO2 and O2) dissolved in the blood by using a blood gas analyzer, and can directly reflect the pulmonary ventilation function and the acid-base equilibrium state thereof.
After blood is collected by using the blood gas needle, the blood in the syringe needs to be isolated from the air so as not to influence the result of blood gas analysis. Currently, the methods used more are as follows: after blood is drawn, the needle head is pricked into the leather plug, after the needle head is taken down, redundant air in the needle cylinder is squeezed out, and the needle cylinder is inspected after a sealing cap is covered. By adopting the mode of covering the sealing cap, a small amount of air can remain in the sealing cap and be contacted with the blood in the syringe, and the result of blood gas analysis can be influenced. Meanwhile, the sealing cap and the blood-gas needle are not arranged integrally, so that the operation is inconvenient. In the prior art: the utility model provides a novel artery blood gas needle (publication number is CN207168498U) utility model patent realizes the sealed effect of blood in the cylinder through set up circular baffle in the needle file, but in the in-service use, the needle file front end can remain blood and expose in the air, pollutes the front end of needle file, can influence the result of blood gas analysis.
Therefore, there is a need to design a reliable, easy to use arterial blood gas needle.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing the arterial blood-gas needle which is convenient to use.
In order to achieve the purpose, the utility model provides an artery blood-gas needle with convenient use, which comprises a needle cylinder, a sealing mechanism and a puncture mechanism;
the sealing mechanism comprises a first sealing component detachably arranged at the front end of the needle cylinder and a second sealing component detachably arranged at the front end of the first sealing component; the second sealing part is provided with a needle head connecting part and a second through hole communicated with the needle head connecting part; the first sealing component is provided with a sealing switch and a first through hole for inserting the needle cylinder nipple; the second sealing part can rotate relative to the first sealing part, and the sealing switch is opened or closed when the second sealing part rotates, so that the second through hole is communicated with or blocked from the first through hole.
Further, the sealing switch comprises an arc-shaped groove arranged on the front end face of the first sealing part and an arc-shaped sheet capable of sliding in the arc-shaped groove, and a third through hole is formed in the arc-shaped sheet; when the sealing switch is opened, the needle head connecting part is communicated with the nipple through the second through hole, the third through hole and the first through hole; when the second sealing part rotates, the arc-shaped sheet is driven to slide in the arc-shaped groove and then the first through hole is sealed, and at the moment, the sealing switch is closed.
Furthermore, a convex block is fixedly arranged on the arc-shaped sheet, a groove matched with the convex block is formed in the first sealing part, and when the second sealing part rotates, the convex block is matched with the groove to enable the arc-shaped sheet to slide in the arc-shaped groove.
Furthermore, the puncture mechanism comprises a needle seat, a needle head fixedly arranged on the needle seat, a needle wing fixedly connected with the needle seat and a needle sleeve capable of sliding relative to the needle seat; the needle sleeve can shield the needle head when sliding forwards, and the needle head is exposed when sliding backwards; the needle seat is connected with the needle head connecting part through an extension tube.
Furthermore, a sealing clamp for clamping the extension pipe is arranged on the extension pipe.
Further, the length of the extension pipe is set to be 4-5 CM.
Further, the needle cylinder adopts a preset arterial blood gas needle cylinder.
The utility model has the advantages that:
1. the utility model discloses directly set up sealing mechanism at the front end of cylinder, can seal the cylinder, convenient operation through rotatory second seal part.
2. Use the utility model discloses the time, second seal part, first seal part separate in proper order, avoid the nipple to expose in the air, and is effectual to the isolation of blood, is favorable to improving the precision that the blood gas detected.
3. Now adopt the sealed cap of lid to seal the cylinder usually, can impress a small amount of air inside the cylinder nipple, the utility model discloses an arc piece is sealed, can avoid inside the air admission nipple.
Drawings
Fig. 1 is a schematic structural view of an arterial blood-gas needle of the utility model which is convenient to use.
Fig. 2 is a schematic view of the three-dimensional structure of the arterial blood-gas needle cylinder of the utility model with convenient use.
Fig. 3 is a schematic perspective view of the first sealing member of the arterial blood needle according to the present invention (the left view is a front side view, and the right view is a rear side view).
Fig. 4 is a schematic perspective view of the second sealing member of the arterial blood needle according to the present invention (the left view is a front side view, and the right view is a rear side view).
In the drawings: 1. a needle cylinder; 2. a sealing mechanism; 201. a first seal member; 202. a second seal member; 3. a puncture mechanism; 301. a needle seat; 302. a needle head; 303. a needle wing; 304. a needle sleeve; 4. a needle head connecting part; 5. a second through hole; 6. a sealing switch; 601. an arc-shaped slot; 602. an arc-shaped sheet; 7. a first through hole; 8. a third through hole; 9. a bump; 10. a groove; 11. an extension tube; 12. and (4) sealing the clamp.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Examples
Referring to fig. 1-4, the present invention provides a convenient arterial blood-gas needle, which comprises a needle cylinder 1, a sealing mechanism 2 and a puncture mechanism 3;
the sealing mechanism 2 comprises a first sealing component 201 which is detachably arranged at the front end of the syringe 1 and a second sealing component 202 which is detachably arranged at the front end of the first sealing component 201; the second sealing part 202 is provided with a needle head connecting part 4 and a second through hole 5 communicated with the needle head connecting part 4; the first sealing component 201 is provided with a sealing switch 6 and a first through hole 7 for inserting the nipple 101 of the syringe 1; the second sealing component 202 can rotate relative to the first sealing component 201, and when the second sealing component 202 rotates, the sealing switch 6 is opened or closed, so that the second through hole 5 is communicated with or blocked from the first through hole 7; after the blood is collected by using the utility model, firstly, the second sealing part 202 is rotated to close the sealing switch 6, so that the second through hole 5 is blocked from the first through hole 7; then, after the second sealing component 202 is detached, the syringe 1 is inspected together with the first sealing component 201; when the detection instrument is used for detection, blood can be squeezed out for detection after the first sealing part 201 is detached; the nipple 101 of the utility model is inserted in the first through hole 7, the sealing switch 6 can be closed by rotating the second sealing part 202, the blood collected in the needle cylinder 1 is isolated from the outside, the operation is simple, and the sealing switch 6 seals the nipple 101 at the end part of the nipple 101, thereby avoiding the nipple 101 from being polluted by exposing in the air; the second sealing part 202 is connected with the puncture mechanism 3 through the needle head connecting part 4, and when the second sealing part 202 is disassembled, the puncture mechanism 3 is separated together with the second sealing part 202, so that the use is convenient, and the risk of being injured by a needle is reduced.
The sealing switch 6 comprises an arc-shaped groove 601 arranged on the front end surface of the first sealing part 201 and an arc-shaped sheet 602 capable of sliding in the arc-shaped groove 601, and a third through hole 8 is arranged on the arc-shaped sheet 602; when the sealing switch 6 is opened, the needle head connecting part 4 is communicated with the nipple 101 through the second through hole 5, the third through hole 8 and the first through hole 7; when the second sealing part 202 rotates, the arc-shaped sheet 602 is driven to slide in the arc-shaped groove 601 and then the first through hole 7 is sealed, and at the moment, the sealing switch 6 is closed; through setting up arc groove 601 and arc piece 602 for second seal part 202 rotates and drives smooth shape piece 602, and arc piece 602 can slide in arc groove 601, makes seal switch 6 close, seals first through-hole 7.
A convex block 9 is fixedly arranged on the arc-shaped sheet 602, a groove 10 matched with the convex block 9 is arranged on the first sealing part 201, and when the second sealing part 202 rotates, the convex block 9 is matched with the groove 10 to enable the arc-shaped sheet 602 to slide in the arc-shaped groove 601; the projection 9 is inserted in the groove 10, and when the second sealing part 202 is disassembled, the groove 10 is separated from the projection 9; in this embodiment, it is described that the arc piece 602 is provided with the projection 9, and the first sealing member 201 is provided with the groove 10; in other embodiments, the arc-shaped piece 602 may be provided with the groove 10, and the first sealing member 201 is provided with the projection 9, which may also achieve the same effect.
The puncture mechanism 3 comprises a needle seat 301, a needle 302 fixedly arranged on the needle seat 301, a needle wing 303 fixedly connected with the needle seat 301 and a needle sleeve 304 capable of sliding relative to the needle seat 301; the needle cover 304 can shield the needle 302 when sliding forwards, and the needle 302 is exposed when sliding backwards; the needle base 301 is connected with the needle connecting part 4 through an extension tube 11; the existing blood-gas needle needs to be inserted by holding the needle cylinder 1 by hand, the operation difficulty is high, and the accuracy can be improved by holding the needle wing 303 to insert the needle; the needle head connecting part 4 is connected with the puncture mechanism 3 through the extension tube 11, so that the possibility of being injured by a needle when the second sealing part 202 is detached is avoided; in addition, the needle sleeve 304 which can slide relative to the needle seat 301 is arranged on the needle seat 301, after blood collection is completed, the needle sleeve 304 is pushed to wrap the needle 302, and accidents are avoided.
The extension pipe 11 is provided with a sealing clamp 12 for clamping the extension pipe 11; the sealing clamp 12 can be clamped and closed when blood collection is completed, and when the second sealing part 202 is detached, blood cannot flow out of the second through hole 5 under the action of atmospheric pressure.
The length of the extension pipe 11 is set to be 4-5 CM; the needle wing 303 is convenient to hold and insert the needle, and the use is convenient.
The needle cylinder 1 adopts a preset arterial blood gas needle cylinder 1, heparin is attached to the inner wall of the preset blood gas needle cylinder, blood can be prevented from being coagulated, and air in the needle cylinder is discharged when blood is drawn.
The working principle is as follows: after the blood collection device is used for collecting blood, firstly, the second sealing part 202 is rotated to start the sealing switch 6 to seal the first through hole 7 of the first sealing part 201; then, after the second sealing component 202 is detached, the syringe 1 is inspected together with the first sealing component 201; when the detection instrument is used for detection, blood can be squeezed out for detection after the first sealing part 201 is detached; the sealing mechanism 2 is directly arranged at the front end of the needle cylinder 1, so the operation is convenient; during the use, second seal member 202, first seal member 201 separate in proper order, avoid nipple 101 to expose in the air, and is effectual to the isolation of blood, is favorable to improving the precision that the blood gas detected.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. An artery blood-gas needle convenient to use is characterized by comprising a needle cylinder (1), a sealing mechanism (2) and a puncture mechanism (3);
the sealing mechanism (2) comprises a first sealing component (201) which is detachably arranged at the front end of the needle cylinder (1) and a second sealing component (202) which is detachably arranged at the front end of the first sealing component (201); the second sealing part (202) is provided with a needle head connecting part (4) and a second through hole (5) communicated with the needle head connecting part (4); the first sealing component (201) is provided with a sealing switch (6) and a first through hole (7) for inserting the nipple (101) of the needle cylinder (1); the second sealing component (202) can rotate relative to the first sealing component (201), and when the second sealing component (202) rotates, the sealing switch (6) is opened or closed, so that the second through hole (5) is communicated with or blocked from the first through hole (7).
2. A convenient arterial blood needle according to claim 1, wherein the sealing switch (6) comprises an arc-shaped groove (601) arranged on the front end face of the first sealing component (201) and an arc-shaped sheet (602) capable of sliding in the arc-shaped groove (601), and the arc-shaped sheet (602) is provided with a third through hole (8); when the sealing switch (6) is opened, the needle head connecting part (4) is communicated with the nipple (101) through the second through hole (5), the third through hole (8) and the first through hole (7); when the second sealing part (202) rotates, the arc-shaped sheet (602) is driven to slide in the arc-shaped groove (601) and then the first through hole (7) is closed, and at the moment, the sealing switch (6) is closed.
3. A convenient arterial blood needle according to claim 2, wherein the arc-shaped piece (602) is fixedly provided with a projection (9), the first sealing member (201) is provided with a groove (10) adapted to the projection (9), and when the second sealing member (202) rotates, the projection (9) is matched with the groove (10) to make the arc-shaped piece (602) slide in the arc-shaped groove (601).
4. An arterial blood needle convenient for use according to claim 1, characterized in that the puncture mechanism (3) comprises a needle seat (301), a needle head (302) fixedly arranged on the needle seat (301), a needle wing (303) fixedly connected with the needle seat (301) and a needle sleeve (304) capable of sliding relatively to the needle seat (301); the needle sleeve (304) can shield the needle (302) when sliding forwards, and the needle (302) is exposed when sliding backwards; the needle seat (301) is connected with the needle head connecting part (4) through an extension tube (11).
5. A user-friendly arterial blood needle according to claim 4, characterized in that said extension tube (11) is provided with a sealing clip (12) for clipping said extension tube (11).
6. A user-friendly arterial blood needle according to claim 4, characterized in that the length of the extension tube (11) is set to 4-5 CM.
7. A user-friendly arterial blood gas needle according to any one of claims 1-6, characterized in that the needle cylinder (1) is a preset arterial blood gas needle cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325891.8U CN214965650U (en) | 2020-12-31 | 2020-12-31 | Convenient to use's artery blood gas needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023325891.8U CN214965650U (en) | 2020-12-31 | 2020-12-31 | Convenient to use's artery blood gas needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214965650U true CN214965650U (en) | 2021-12-03 |
Family
ID=79142590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023325891.8U Expired - Fee Related CN214965650U (en) | 2020-12-31 | 2020-12-31 | Convenient to use's artery blood gas needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214965650U (en) |
-
2020
- 2020-12-31 CN CN202023325891.8U patent/CN214965650U/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: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |