CN214911770U - Remaining needle for preventing blood from flowing reversely - Google Patents
Remaining needle for preventing blood from flowing reversely Download PDFInfo
- Publication number
- CN214911770U CN214911770U CN202120370924.6U CN202120370924U CN214911770U CN 214911770 U CN214911770 U CN 214911770U CN 202120370924 U CN202120370924 U CN 202120370924U CN 214911770 U CN214911770 U CN 214911770U
- Authority
- CN
- China
- Prior art keywords
- air bag
- air
- needle
- preventing blood
- gasbag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000008280 blood Substances 0.000 title claims abstract description 17
- 210000004369 blood Anatomy 0.000 title claims abstract description 17
- 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 claims abstract description 14
- 229960002897 heparin Drugs 0.000 claims abstract description 14
- 229920000669 heparin Polymers 0.000 claims abstract description 14
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of medical equipment, in particular to an indwelling needle for preventing blood from flowing backwards, which comprises an indwelling needle body, wherein the indwelling needle body consists of a transparent tee joint, an indwelling catheter, a steel needle, a needle holding handle, an extension tube, a tube sealing clamp and a positive pressure joint, the positive pressure joint is provided with a white end cap and a heparin cap, the outer end of the transparent tee joint is fixedly provided with an air bag, the inner part of the air bag is an air bag inner cavity, the middle part of the air bag is provided with a through hole, the air bag is fixedly connected with an air nozzle, the air nozzle is fixedly connected with a rubber pad, and the air bag can be conveniently arranged to isolate the reflux liquid in an inflation use state so that the liquid is not easy to flow backwards when the transparent tee joint and the extension tube are raised due to the inflation of the air bag, the liquid is not easy to flow backwards, the shape of the air bag is oval, and the air bag can be conveniently arranged in the inflation use state, the round air bag is not easy to turn over, so that the phenomenon that the round air bag is easy to carry the transparent tee joint and the extension pipe to roll is avoided.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, concretely relates to prevent needle of keeping somewhere of blood adverse current.
Background
The venous indwelling needle is a common medical appliance in nursing work, has convenient use and the function of reducing the puncture times to patients, thereby reducing repeated puncture during clinical transfusion and reducing the puncture pain of patients and the workload of clinical nursing personnel, so the venous indwelling needle has been widely applied in the current clinical practice, in the use process of the existing indwelling needle, medical personnel often need to flush and seal a tube for the patients, the flushing and sealing tube can keep the venous indwelling passage unblocked, avoid residual liquid medicine in the catheter and stimulate local blood vessels to cause chemical phlebitis, and simultaneously can reduce incompatibility among medicines, only when the medical personnel flushes the catheter cleanly and removes the steel needle, the steel needle occupies a certain volume, so the pressure of the blood vessels can be easily increased during the removal process of the steel needle, thereby blood or other substances in the blood vessels are pumped into the catheter from the blood vessels to cause reflux phenomenon, once the regurgitated blood remains inside the catheter and coagulates, the catheter will become clogged and the patient will be adversely affected.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a prevent needle of keeping somewhere of blood adverse current, through the establishment of gasbag, can be convenient for the gasbag in aerifing the user state, can play isolated effect to palirrhea liquid, thereby when making transparent tee bend and extension pipe raise because of the filling of gasbag, liquid will be difficult for upwards flowing back, therefore, can avoid in case liquid or other materials in the blood vessel flow back to inside the pipe, and palirrhea blood remains and produces the solidification in the pipe, so just can make the pipe form when blockking up, also can lead to the fact adverse effect's characteristics for the patient.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent needle of keeping somewhere of blood adverse current, includes keeps somewhere the needle body, keep somewhere the needle body by transparent tee bend, keep somewhere pipe, steel needle, hold needle handle, extension pipe, seal the pipe clamp and connect with the malleation and constitute, install white end cap and heparin cap on the malleation connects, the gasbag has been installed to transparent tee bend outer end is fixed, the inside gasbag inner chamber that is of gasbag, the gasbag middle part is equipped with the through-hole, gasbag and air cock are fixed continuous, the air cock is fixed connection with the rubber pad.
Preferably, the air bag is fixedly connected with the transparent tee joint and the outer end of the extension pipe through a through hole arranged in the middle; through the establishment of gasbag, can be convenient for the gasbag can play isolated effect to palirrhea liquid in aerifing the user state to make transparent tee bend and extension pipe because of the gasbag fill when raising, liquid will be difficult for upwards flowing backwards.
Preferably, the shape of the balloon is elliptical; the shape of the air bag is oval, so that the air bag is not easy to turn over when being inflated in a use state, and the phenomenon that the round air bag is easy to carry the transparent tee joint and the extension pipe to roll is avoided.
Preferably, the number of the air nozzles is two, and the two air nozzles are fixedly arranged at the tops of the two air bags respectively; through the fixed installation of air cock on the gasbag, can be convenient for medical personnel can pass the air cock through using the syringe, inflate and the gassing operation to the gasbag inner chamber.
Preferably, a rubber pad is fixedly arranged in the middle of the air tap; through the fixed installation of air cock middle part rubber pad, can be convenient for when the syringe needle pulls out from the air cock through the rubber pad, the gas in the gasbag inner chamber can give the rubber pad an unexpected power, causes the rubber pad to restore into the tight closed state to make the gas in the gasbag inner chamber can not leak to the external world from the air cock.
Preferably, the outer end of the extension pipe is provided with a pipe sealing clamp; the setting of the pipe sealing clamp can facilitate the clamping operation of the transfusion channel in the extension pipe.
Preferably, the white end cap and the heparin cap are screwed with the positive pressure joint in a threaded manner; the white end cap and the heparin cap are screwed with the positive pressure connector through threads, so that the white end cap and the heparin cap can be conveniently covered on the positive pressure connector.
Compared with the prior art, the beneficial effects of the utility model are that: through the establishment of the air bag, the air bag can conveniently play an isolation role on the reflux liquid in the inflation use state, so that when the transparent tee joint and the extension pipe are lifted up due to the inflation of the air bag, the liquid is not easy to flow back upwards, therefore, the phenomenon that once the liquid or other substances in the blood vessel flow back to the inside of the catheter and the reflux blood is remained in the catheter to be solidified can be avoided, the catheter can form blockage and can cause adverse effects on a patient, the air bag is convenient to be overturned in the inflation use state through the oval shape of the air bag, so that the phenomenon that the circular air bag can easily carry the transparent tee joint and the extension pipe to roll is avoided, through the fixed installation of the air nozzle on the air bag, medical personnel can conveniently pass through the air nozzle by using an injector to perform inflation and deflation operations on an inner cavity of the air bag, and through the fixed installation of the rubber gasket in the middle of the air nozzle, when the needle head is pulled out from the air tap through the rubber pad, the air in the inner cavity of the air bag can provide unexpected force for the rubber pad, so that the rubber pad is restored to a closed state, and the air in the inner cavity of the air bag can not leak to the outside from the air tap.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the air bag inflation structure of the present invention;
FIG. 2 is a schematic view of the air-releasing structure of the air bag of the present invention;
FIG. 3 is a top view of the transparent tee of the present invention;
FIG. 4 is a cross-sectional view of the interior of the airbag of the present invention;
in the figure: 1. a remaining needle body; 2. a transparent tee joint; 3. an indwelling catheter; 4. a steel needle; 5. a needle holding handle; 6. an extension tube; 7. a positive pressure joint; 8. a white end cap; 9. a heparin cap; 10. an air bag; 1001. an air bag inner cavity; 1002. a through hole; 11. an air tap; 1101. a rubber pad; 12. and (4) a pipe sealing clamp.
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.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: including keeping somewhere needle body 1, keep somewhere needle body 1 by transparent tee bend 2, keep somewhere pipe 3, steel needle 4, hold needle handle 5, extension pipe 6, seal the pipe and press from both sides 12 and malleation and connect 7 to constitute, install white end cap 8 and heparin cap 9 on the malleation connects 7, transparent tee bend 2 outer ends are fixed and have been installed gasbag 10, gasbag 10 is inside to be gasbag inner chamber 1001, gasbag 10 middle part is equipped with through-hole 1002, gasbag 10 links to each other for fixing with air cock 11, air cock 11 is fixed connection with rubber pad 1101.
Specifically, the air bag 10 is fixedly connected with the transparent tee joint 2 and the outer end of the extension pipe 6 through a through hole 1002 arranged in the middle; through the establishment of the air bag 10, the air bag 10 can be conveniently used for isolating the reflux liquid in the inflation use state, so that the liquid is not easy to flow back upwards when the transparent tee joint 2 and the extension pipe 6 are lifted up due to the inflation of the air bag 10.
Specifically, the shape of the airbag 10 is an ellipse; the shape of the air bag 10 is oval, so that the air bag 10 is not easy to turn over when being inflated in a use state, and the phenomenon that the round air bag 10 is easy to carry the transparent tee joint 2 and the extension pipe 6 to roll is avoided.
Specifically, the number of the air nozzles 11 is two, and the two air nozzles 11 are respectively and fixedly arranged at the tops of the two air bags 10; by fixedly installing the air tap 11 on the air bag 10, the medical care personnel can conveniently pass through the air tap 11 by using a syringe to inflate and deflate the air bag inner cavity 1001.
Specifically, a rubber pad 1101 is fixedly arranged in the middle of the air tap 11; by fixing rubber pad 1101 in the middle of air tap 11, when the needle is pulled out of air tap 11 through rubber pad 1101, the gas in air bag cavity 1001 will exert an unexpected force on rubber pad 1101, so that rubber pad 1101 returns to the closed state, and the gas in air bag cavity 1001 will not leak to the outside from air tap 11.
Specifically, the outer end of the extension pipe 6 is provided with a pipe sealing clamp 12; the setting of the tube closing clamp 12 facilitates the clamping operation of the infusion path inside the extension tube 6.
Specifically, the white end cap 8 and the heparin cap 9 are screwed with the positive pressure joint 7; through white end cap 8, heparin cap 9 all for the screw thread with malleation joint 7 connects soon, can be convenient for white end cap 8 and heparin cap 9 cover the stability of establishing on malleation joint 7.
The working principle and the using process of the invention are as follows: through the arrangement of the air bag 10, the air bag 10 can be conveniently used for isolating the reflux liquid in the inflation use state, so that when the transparent tee joint 2 and the extension pipe 6 are lifted up due to the inflation of the air bag 10, the liquid is not easy to flow back upwards, the air bag 10 is convenient to overturn in the inflation use state due to the oval shape of the air bag 10, the phenomenon that the circular air bag 10 is easy to carry the transparent tee joint 2 and the extension pipe 6 to roll is avoided, medical workers can conveniently pass through the air nozzle 11 by using an injector to inflate and deflate the air bag inner cavity 1001 through the fixed installation of the rubber pad 1101 in the middle of the air nozzle 11, when a needle is pulled out of the air nozzle 11 through the rubber pad 1101, the gas in the air bag inner cavity 1001 can provide an unexpected force for the rubber pad 1101, so that the rubber pad 1101 is restored to a tight closing state, therefore, gas in the air bag inner cavity 1001 cannot leak to the outside from the air tap 11, the arrangement of the pipe sealing clamp 12 can facilitate the clamping operation of the infusion channel inside the extension pipe 6, the white end cap 8 and the heparin cap 9 are screwed with the positive pressure connector 7 through threads, and the stability of covering the white end cap 8 and the heparin cap 9 on the positive pressure connector 7 can be facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An indwelling needle for preventing blood backflow, comprising: including keeping somewhere needle body (1), it comprises transparent tee bend (2), indwelling catheter (3), steel needle (4), needle handle (5), extension pipe (6), tube sealing clamp (12) and malleation joint (7) to keep somewhere needle body (1), install white end cap (8) and heparin cap (9) on malleation joint (7), gasbag (10) have been installed to transparent tee bend (2) outer end fixed, gasbag (10) inside is gasbag inner chamber (1001), gasbag (10) middle part is equipped with through-hole (1002), gasbag (10) link to each other for fixing with air cock (11), air cock (11) are fixed connection with rubber pad (1101).
2. The indwelling needle for preventing blood reflux according to claim 1, wherein: the air bag (10) is fixedly connected with the outer ends of the transparent tee joint (2) and the extension pipe (6) through a through hole (1002) arranged in the middle.
3. The indwelling needle for preventing blood reflux according to claim 1, wherein: the shape of the air bag (10) is an ellipse.
4. The indwelling needle for preventing blood reflux according to claim 1, wherein: the number of the air nozzles (11) is two, and the two air nozzles (11) are respectively and fixedly arranged at the tops of the two air bags (10).
5. The indwelling needle for preventing blood reflux according to claim 1, wherein: a rubber pad (1101) is fixedly arranged in the middle of the air tap (11).
6. The indwelling needle for preventing blood reflux according to claim 1, wherein: the outer end of the extension pipe (6) is provided with a pipe sealing clamp (12).
7. The indwelling needle for preventing blood reflux according to claim 1, wherein: the white end cap (8) and the heparin cap (9) are screwed with the positive pressure joint (7) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370924.6U CN214911770U (en) | 2021-02-14 | 2021-02-14 | Remaining needle for preventing blood from flowing reversely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120370924.6U CN214911770U (en) | 2021-02-14 | 2021-02-14 | Remaining needle for preventing blood from flowing reversely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911770U true CN214911770U (en) | 2021-11-30 |
Family
ID=79096536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120370924.6U Expired - Fee Related CN214911770U (en) | 2021-02-14 | 2021-02-14 | Remaining needle for preventing blood from flowing reversely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470410A (en) * | 2022-01-26 | 2022-05-13 | 江苏大学附属医院 | Anti-blocking vein indwelling needle for children |
-
2021
- 2021-02-14 CN CN202120370924.6U patent/CN214911770U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470410A (en) * | 2022-01-26 | 2022-05-13 | 江苏大学附属医院 | Anti-blocking vein indwelling needle for children |
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| 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: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |