CN215134832U - Blood return prevention device for pediatric nursing venous indwelling needle - Google Patents
Blood return prevention device for pediatric nursing venous indwelling needle Download PDFInfo
- Publication number
- CN215134832U CN215134832U CN202120226726.2U CN202120226726U CN215134832U CN 215134832 U CN215134832 U CN 215134832U CN 202120226726 U CN202120226726 U CN 202120226726U CN 215134832 U CN215134832 U CN 215134832U
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- CN
- China
- Prior art keywords
- needle
- joint
- file
- gasbag
- needle file
- 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 27
- 210000004369 blood Anatomy 0.000 title claims abstract description 25
- 230000000474 nursing effect Effects 0.000 title claims abstract description 17
- 230000002265 prevention Effects 0.000 title claims description 8
- 210000003462 vein Anatomy 0.000 claims abstract description 10
- 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 description 5
- 229960002897 heparin Drugs 0.000 claims description 5
- 229920000669 heparin Polymers 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a paediatrics nursing vein is kept somewhere needle and is prevented back blood device belongs to medical equipment technical field, and it includes the needle file, the top of needle file is provided with the syringe needle, the positive below of needle file is provided with connects the lid, the front of connecting the lid is provided with fills the gassing joint, fill the one end at the gassing joint back and the front of gasbag and communicate each other, the gasbag is located the needle file, it is provided with one-way inflation mechanism to fill the gassing joint. This needle is kept somewhere to paediatrics nursing vein prevents back blood device, through set up the gasbag in the needle file, use the needle tubing to aerify in inflating the gassing joint, make the inseparable needle file of laminating of gasbag inflation, effectively improve the leakproofness of needle file, prevent the negative pressure and cause the blood return phenomenon, when needs infuse, take off the air escape of piston in to the gasbag, make the liquid medicine can get into the patient body through the needle file in, through nimble control needle file leakproofness, the phenomenon of blood is prevented back to the delay needle has been improved greatly.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, specifically be a blood return device is prevented to paediatrics nursing vein indwelling needle.
Background
The medical level of the present society is higher and higher, when doctors treat diseases for patients, intravenous injection is frequently needed to be carried out repeatedly, in order to relieve the pain of the patients, a venous indwelling needle is needed to be used, the application of the venous indwelling needle is a better method for clinical transfusion, on one hand, the pain of infants caused by repeated puncture of scalp acupuncture can be relieved, the venous indwelling needle can be suitable for adults with long-term transfusion, on the other hand, the workload of clinical nurses is also relieved, and the blood return of the patients is needed to be prevented when the venous indwelling needle is used.
The existing venous indwelling needle structure is often very same as or different from the small one, a small clamp is usually adopted to clamp an extension tube, the blood return phenomenon is caused in the extension tube because the small clamp is easily bounced off by external force, the extension tube is clamped for a long time, the depression of the extension tube is not easy to recover, and the venous indwelling needle is not beneficial to transfusion, so that a pediatric nursing venous indwelling needle blood return prevention device is needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art's above-mentioned defect, the utility model provides a paediatrics nursing vein is kept somewhere needle and is prevented back blood device has solved current vein and has kept somewhere the needle structure and often have great clashes and disparities, adopts little clip to block the extension pipe usually, because little clip receives external force not only bounces easily, leads to the intraductal blood phenomenon that takes place back of extension, long-time centre gripping extension pipe moreover causes the sunken difficult recovery of extension pipe, is unfavorable for the problem of infusion.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a needle prevents back blood device is kept somewhere to paediatrics nursing vein, includes the needle file, the top of needle file is provided with the syringe needle, the positive below of needle file is provided with connects the lid, the front of connecting the lid is provided with fills the gassing joint, fill the one end at the gassing joint back and the front intercommunication each other of gasbag, the gasbag is located the needle file, it is provided with one-way inflating mechanism in the gassing joint to fill, the lower surface that fills the gassing joint is provided with the piston, it is provided with sealed lid to fill the positive one end of gassing joint, the left surface of needle file is provided with the Y interface, the other end of Y interface is linked together with the one end of extension pipe.
As a further aspect of the present invention: the unidirectional inflating mechanism comprises a fixing ring, the fixing ring is clamped in the inflating and deflating connector, a filter screen is arranged in the fixing ring, six rubber sheets are arranged on the back face of the filter screen, and the six rubber sheets are spliced into a circle.
As a further aspect of the present invention: the right side of needle file is provided with the needle wing, the front and the back of needle wing all are provided with the friction bump.
As a further aspect of the present invention: the piston is made of medical harmless rubber and is clamped in an exhaust hole of the air charging and discharging connector.
As a further aspect of the present invention: the other end of the extension tube is provided with a connector, and the other end of the connector is provided with a heparin cap.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. this needle is kept somewhere to paediatrics nursing vein prevents back blood device, through set up the gasbag in the needle file, use the needle tubing to aerify in inflating the gassing joint, make the inseparable needle file of laminating of gasbag inflation, effectively improve the leakproofness of needle file, prevent the negative pressure and cause the blood return phenomenon, when needs infuse, take off the air escape of piston in to the gasbag, make the liquid medicine can get into the patient body through the needle file in, through nimble control needle file leakproofness, the phenomenon of blood is prevented back to the delay needle has been improved greatly.
2. This needle anti-blood return device is kept somewhere to paediatrics nursing vein, through setting up one-way mechanism of aerifing, utilize the sheet rubber overlap joint on the filter screen for fill the gassing joint can only inflate and can not exhaust, avoid the air in the gasbag to leak from filling the gassing joint, reduced the operation degree of difficulty simultaneously.
3. This needle anti-blood return device is kept somewhere to paediatrics nursing vein through setting up the needle wing, can make things convenient for the doctor to carry out the contact pin operation, and the friction bump on needle wing surface can increase frictional force simultaneously to the antiskid nature that the needle wing used has been improved.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the needle holder according to the present invention showing an enlarged left-side view section;
FIG. 3 is a rear view enlarged schematic view of the unidirectional inflating mechanism of the present invention;
in the figure: the device comprises a needle base 1, a needle head 2, a needle wing 3, a connecting cover 4, an inflation and deflation joint 5, an air bag 6, a one-way inflation mechanism 7, a fixing ring 71, a filter screen 72, a rubber sheet 73, a piston 8, a sealing cover 9, a connector 10Y, an extension tube 11, a connector 12 and a heparin cap 13.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-3, the utility model provides a technical solution: a blood return prevention device for a pediatric nursing venous indwelling needle comprises a needle base 1, a needle head 2 is arranged at the top end of the needle base 1, a connecting cover 4 is arranged below the front of the needle base 1, an inflation and deflation joint 5 is arranged on the front of the connecting cover 4, one end of the back of the inflation and deflation joint 5 is communicated with the front of an air bag 6, the air bag 6 is positioned in the needle base 1, a one-way inflation mechanism 7 is arranged in the inflation and deflation joint 5, a piston 8 is arranged on the lower surface of the inflation and deflation joint 5, a sealing cover 9 is arranged at one end of the front of the inflation and deflation joint 5, the air bag 6 is inflated into the inflation and deflation joint 5 by using a needle tube, so that the air bag 6 is expanded to be tightly attached to the needle base 1, the sealing performance of the needle base 1 is effectively improved, the blood return phenomenon caused by negative pressure is prevented, when infusion is needed, the piston 8 is taken down to discharge air in the air bag 6, so that liquid medicine can enter the body of a patient through the needle base 1, through nimble control needle file 1 leakproofness, improved the phenomenon that the blood return is prevented to the needle of detaining greatly, the left surface of needle file 1 is provided with Y interface 10, and the other end of Y interface 10 is linked together with the one end of extension pipe 11.
Specifically, as shown in fig. 1, the right flank of needle file 1 is provided with the needle wing 3, the front and the back of needle wing 3 all are provided with the friction bump, through setting up needle wing 3, can make things convenient for the doctor to carry out the contact pin operation, the friction bump on needle wing 3 surface can increase frictional force simultaneously, thereby the antiskid nature that needle wing 3 used has been improved, the other end of extension pipe 11 is provided with connector 12, connector 12's the other end is provided with heparin cap 13, through setting up connector 12 and heparin cap 13, be convenient for peg graft the transfer line when the infusion, prevent that external bacterium from getting into in the extension pipe 11, thereby medical health has been guaranteed.
Specifically, as shown in fig. 2, the piston 8 is made of medical harmless rubber, and the piston 8 is clamped in the exhaust hole of the inflation/deflation connector 5, and the piston 8 is arranged to facilitate the control of the piston 8 to exhaust air in the air bag 6, so that the air bag 6 does not seal the needle seat 1.
Specifically, as shown in fig. 3, the unidirectional inflating mechanism 7 comprises a fixing ring 71, the fixing ring 71 is connected to the inside of the inflating and deflating connector 5 in a clamped manner, a filter screen 72 is arranged in the fixing ring 71, six rubber sheets 73 are arranged on the back surface of the filter screen 72, the six rubber sheets 73 are spliced into a circle, the unidirectional inflating mechanism 7 is arranged, the rubber sheets 73 are lapped on the filter screen 72, the inflating and deflating connector 5 can only inflate but cannot exhaust, air in the air bag 6 is prevented from leaking from the inside of the inflating and deflating connector 5, and the operation difficulty is reduced.
The utility model discloses a theory of operation does:
when the infusion device is used, the piston 8 is taken down when infusion is carried out, so that gas in the air bag 6 is discharged from the exhaust hole on the inflation and deflation joint 5, liquid medicine is conveyed into the body of a patient through the needle seat 1 and the needle head 2, when the infusion is stopped, the piston 8 is stably clamped in the exhaust hole firstly, then the sealing cover 9 is opened, the needle tube is inserted into the inflation and deflation joint 5, the air bag 6 is inflated by the needle tube, the air bag 6 is expanded and attached to the inner wall of the needle seat 1, the needle seat 1 is sealed, and the phenomenon of blood backflow caused by the difference between the internal pressure and the external pressure is prevented when the infusion is stopped.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a blood return device is prevented to paediatrics nursing vein indwelling needle, includes needle file (1), its characterized in that: the utility model discloses a syringe needle, including needle file (1), gasbag (6), inflation and deflation joint (5), the positive below of needle file (1) is provided with connects lid (4), the front of connecting lid (4) is provided with inflation and deflation joint (5), the one end at the inflation and deflation joint (5) back communicates with the front of gasbag (6) each other, gasbag (6) are located needle file (1), it is provided with one-way inflating mechanism (7) to inflate and deflate to connect (5), the lower surface that inflates and deflates joint (5) is provided with piston (8), it is provided with sealed lid (9) to inflate and deflate the positive one end of joint (5), the left surface of needle file (1) is provided with Y interface (10), the other end and the one end of extension pipe (11) of Y interface (10) are linked together.
2. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: one-way mechanism (7) of aerifing is including solid fixed ring (71), gu fixed ring (71) joint is in inflating and deflating joint (5), gu be provided with filter screen (72) in fixed ring (71), the back of filter screen (72) is provided with six rubber sheets (73), and six rubber sheets (73) splice each other into a circular shape.
3. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the right side face of needle file (1) is provided with needle wing (3), the front and the back of needle wing (3) all are provided with the friction bump.
4. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the piston (8) is made of medical harmless rubber, and the piston (8) is clamped in an exhaust hole of the air charging and discharging connector (5).
5. The pediatric nursing venous indwelling needle blood return prevention device of claim 1, wherein: the other end of the extension tube (11) is provided with a connecting port (12), and the other end of the connecting port (12) is provided with a heparin cap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120226726.2U CN215134832U (en) | 2021-01-27 | 2021-01-27 | Blood return prevention device for pediatric nursing venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120226726.2U CN215134832U (en) | 2021-01-27 | 2021-01-27 | Blood return prevention device for pediatric nursing venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215134832U true CN215134832U (en) | 2021-12-14 |
Family
ID=79408119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120226726.2U Expired - Fee Related CN215134832U (en) | 2021-01-27 | 2021-01-27 | Blood return prevention device for pediatric nursing venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215134832U (en) |
-
2021
- 2021-01-27 CN CN202120226726.2U patent/CN215134832U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: 225001 No.98 Nantong West Road, Guangling District, Yangzhou City, Jiangsu Province Patentee after: NORTHERN JIANGSU PEOPLE'S Hospital Address before: 225000 infusion room of Subei people's Hospital, No. 98, Nantong West Road, Yangzhou City, Jiangsu Province Patentee before: Wu Haiyan |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |