CN215915983U - Anti-extraction safe indwelling needle - Google Patents
Anti-extraction safe indwelling needle Download PDFInfo
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- CN215915983U CN215915983U CN202121786392.0U CN202121786392U CN215915983U CN 215915983 U CN215915983 U CN 215915983U CN 202121786392 U CN202121786392 U CN 202121786392U CN 215915983 U CN215915983 U CN 215915983U
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- needle
- air bag
- needle body
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Abstract
The utility model discloses an anti-pull-out safety type remaining needle, which belongs to the technical field of infusion medical instruments and comprises a needle body, wherein a fixing groove is formed in the outer surface of the needle body, an air bag is fixed in the fixing groove, the air bag is made of elastic materials and is connected with an inflating device, and when the inflating device inflates the air bag, the air bag expands and extends out of the fixing groove. Insert the blood vessel with the needle body, aerify the gasbag with aerating device for the gasbag outwards expands under the guide effect of fixed slot, increases the radial dimension of gasbag department, makes gasbag and vascular wall laminating, blocks the needle body, has greatly improved the stability of needle body when infusing, when infusion needle infusion suffered the collision, avoids needle body displacement to cause the injury to the patient, has guaranteed the security of patient when the infusion, has prolonged the use prescription of remaining the needle.
Description
Technical Field
The utility model belongs to the technical field of infusion medical instruments, and particularly relates to an anti-pull out safety type indwelling needle.
Background
An indwelling needle is a common infusion device in clinical applications. The infusion device is used for infusion by a single puncture and repeated use for a plurality of times within the subsequent treatment time, thereby relieving the pain of patients and the workload of medical care personnel and simultaneously reducing the occurrence probability of puncture accidents.
Most typically, for example, in obstetrical wards, assisted childbirth procedures, in which oxytocin is infused using an indwelling needle while delivering labor, are one of the most common procedures today. The puerpera suffers from severe pain during childbirth, accompanied by profuse sweating, and the continuous exertion of force, resulting in the inability to secure the indwelling needle for a long period of time during use. Chinese patent No. CN201820443612.1 discloses a needle is kept somewhere to anti-drop, including keeping somewhere the needle main part, the front end fixed mounting who keeps somewhere the needle main part has the needle file, and the middle surface of needle file is close to one side fixed position and installs the needle wing, the front end surface of needle file is provided with the external screw thread, and the front end of needle file is close to middle fixed position and installs the syringe needle, and the surface movable mounting of syringe needle has the needle cap, the middle surface of needle file is close to opposite side fixed position and installs the Y interface, and the rear end fixedly connected with extension pipe of Y interface, the surface movable mounting of extension pipe has the magic subsides. The anti-falling indwelling needle is provided with the external thread, the magic tape and the fluorescent sleeve, can well fix the needle cap, prevent the needle head from being polluted, can stably fix the indwelling needle, effectively avoid falling, can help a patient to notice the indwelling needle when the patient stands up at night, prevent accidents from occurring, and bring better use prospect.
The fixed mode that adopts outside sticky tape, magic subsides or solid fixed ring of keeping somewhere needle among the prior art is fixed usually, but in the in-service use process, often can appear that fixed effect is poor, uses inconveniently, leads to the fact certain damage to outside skin even.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides the anti-pulling safety indwelling needle which is convenient to fix and use.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a needle is kept somewhere to anti-extraction safe type, includes the needle body, and the surface of needle body is equipped with the fixed slot, and the fixed slot internal fixation has the gasbag, and the gasbag adopts elastic material to make, and the gasbag is connected with aerating device, and when aerating device aerifys the gasbag, the gasbag inflation extends outside the fixed slot. Insert the blood vessel with the needle body, aerify the gasbag with aerating device for the gasbag outwards expands under the guide effect of fixed slot, increases the radial dimension of gasbag department, makes gasbag and vascular wall laminating, blocks the needle body, has greatly improved the stability of needle body when infusing, when infusion needle infusion suffered the collision, avoids needle body displacement to cause the injury to the patient, has guaranteed the security of patient when the infusion, has prolonged the use prescription of remaining the needle.
Preferably, the number of the fixing grooves is at least two along the circumferential direction of the needle body, and the air bags are arranged in each fixing groove and are communicated with each other. The fixed slot evenly sets up a plurality of along needle body circumferencial direction, and the size of messenger is comparatively even, avoids the gasbag inflation back needle body to appear the biasing and lead to puncturing the vascular condition to take place.
Preferably, the inflation device comprises an inflation tube and an inflation part, the needle body is provided with a through hole, and the inflation tube penetrates through the through hole and is communicated with the air bag. The through hole is completely arranged in the needle tube, so that the inflation tube can be hidden in the needle tube, and the arrangement of the inflation tube is ensured not to influence the transfusion.
Preferably, one end of the inflation pipe, which is positioned outside the through hole, is communicated with an inflation part, the inflation part is provided with a vent hole, a separation membrane is arranged at the communication position of the inflation part and the inflation pipe, the middle part of the separation membrane is provided with a slit, the separation membrane has an elastic movement trend for closing the slit, and the slit is opened when the air pressure in the inflation part rises. When the inflating part is extruded and the vent hole is blocked, the pressure in the extruding part rises, the slit is opened, the air in the extruding part is transmitted into the air bag along the inflating tube to enlarge the air bag, the inflating part is loosened, the slit is closed, the outside air re-fills the inflating part through the vent hole, and the inflating part is made of elastic materials such as rubber, plastic and the like, so that certain elasticity is ensured. The connection between the inflation tube and the inflation part is broken, so that the air in the air bag can be released, the air bag is shrunk, and the needle pulling is not influenced.
Preferably, the tail of the needle body is communicated with an infusion tube, and the inflation part is fixed on the infusion tube in an adhesion mode. The inflating part is arranged on the infusion tube, so that the pressing operation of the inflating part is convenient.
Preferably, the inflation part is provided with an annular groove surrounding the separation membrane, and one end of the inflation pipe is clamped in the annular groove. When the air bag needs to be inflated, the inflation tube is clamped in the annular groove, and when the air bag needs to be deflated, the inflation tube is pulled out of the annular groove, so that the air in the air bag is discharged along the inflation tube under the elastic rebound of the air bag.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
insert the blood vessel with the needle body, aerify the gasbag with aerating device for the gasbag outwards expands under the guide effect of fixed slot, increases the radial dimension of gasbag department, makes gasbag and vascular wall laminating, blocks the needle body, has greatly improved the stability of needle body when infusing, when infusion needle infusion suffered the collision, avoids needle body displacement to cause the injury to the patient, has guaranteed the security of patient when the infusion, has prolonged the use prescription of remaining the needle.
When the inflating part is extruded and the vent hole is blocked, the pressure in the extruding part rises, the slit is opened, the air in the extruding part is transmitted into the air bag along the inflating tube to enlarge the air bag, the inflating part is loosened, the slit is closed, the outside air re-fills the inflating part through the vent hole, and the inflating part is made of elastic materials such as rubber, plastic and the like, so that certain elasticity is ensured. The connection between the inflation tube and the inflation part is broken, so that the air in the air bag can be released, the air bag is shrunk, and the needle pulling is not influenced.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of an anti-withdrawal safety type indwelling needle according to the present invention;
FIG. 2 is an enlarged view of the bladder of the present invention;
FIG. 3 is an enlarged view of the inflatable portion of the present invention;
in the drawings, 1-the needle body; 2, fixing a groove; 3-air bag; 4-a gas-filled tube; 5-an inflation part; 6-through holes; 7-a separation membrane; 8-slotting; 9-a vent hole; 10-a transfusion tube; 11-annular grooves.
Detailed Description
As shown in fig. 1 to 3, an anti-extraction safety type indwelling needle comprises a needle body 1, a fixing groove 2 is formed in the outer surface of the needle body 1, an air bag 3 is fixed in the fixing groove 2, the air bag 3 is made of elastic materials, the air bag 3 is connected with an inflating device, and when the inflating device inflates the air bag 3, the air bag 3 expands and extends out of the fixing groove 2.
The fixed slot 2 is provided with two at least along 1 circumferencial direction round of needle body, all is equipped with gasbag 3 and intercommunication each other between gasbag 3 in every fixed slot 2.
The inflation device comprises an inflation tube 4 and an inflation part 5, the needle body 1 is provided with a through hole 6, and the inflation tube 4 penetrates through the through hole 6 to be communicated with the air bag 3.
One end of the inflation tube 4, which is positioned outside the through hole 6, is communicated with an inflation part 5, the inflation part 5 is provided with a vent hole 9, a separation membrane 7 is arranged at the communication position of the inflation part 5 and the inflation tube 4, a slit 8 is arranged in the middle of the separation membrane 7, the separation membrane 7 has an elastic movement trend for closing the slit 8, and the slit 8 is opened when the air pressure in the inflation part 5 rises.
The tail part of the needle body 1 is communicated with an infusion tube 10, and the inflation part 5 is fixed on the infusion tube 10 in an adhesion way.
The inflation part 5 is provided with an annular groove 11 surrounding the separation membrane 7, and one end of the inflation pipe 4 is clamped in the annular groove 11.
In the specific working process, the needle body 1 is inserted into a blood vessel, the inflation part 5 is pressed, the air pressure in the inflation part 5 rises, the separation membrane 7 is flushed, then the air bag 3 starts to expand along the opening of the fixed groove 2, the air bag 3 is attached to the blood vessel wall, and the stability of the needle body 1 in the blood vessel is improved; when the blood vessel puncture needle needs to be pulled out, the inflation tube 4 is separated from the inflation part 5, so that the gas in the air bag 3 flows out along the inflation tube 4, the air bag 3 is shrunk, and the blood vessel can be pulled out smoothly from the main body.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (4)
1. The utility model provides a prevent extracting safe type and keep somewhere needle which characterized in that: the needle comprises a needle body, wherein a fixing groove is formed in the outer surface of the needle body, an air bag is fixed in the fixing groove, the air bag is made of elastic materials, the air bag is connected with an inflating device, and when the inflating device inflates the air bag, the air bag expands and extends out of the fixing groove; the inflation device comprises an inflation tube and an inflation part, the needle body is provided with a through hole, and the inflation tube penetrates through the through hole and is communicated with the air bag; the inflatable part is communicated with one end, located outside the through hole, of the inflatable pipe, the air vent is formed in the inflatable part, a separation membrane is arranged at the communication position of the inflatable part and the inflatable pipe, a slit is formed in the middle of the separation membrane, the separation membrane has an elastic movement trend for closing the slit, and the slit is opened when the air pressure in the inflatable part rises.
2. The anti-pullout safety type indwelling needle of claim 1, wherein: the fixed slot is followed needle body circumferencial direction round is provided with two at least, every all be equipped with the gasbag in the fixed slot just intercommunication each other between the gasbag.
3. The anti-pullout safety type indwelling needle of claim 1, wherein: the tail part of the needle body is communicated with a transfusion tube, and the inflation part is fixed on the transfusion tube in an adhesion manner.
4. The anti-pullout safety type indwelling needle of claim 1, wherein: the inflation portion is provided with an annular groove surrounding the separation membrane, and one end of the inflation tube is clamped in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121786392.0U CN215915983U (en) | 2021-08-02 | 2021-08-02 | Anti-extraction safe indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121786392.0U CN215915983U (en) | 2021-08-02 | 2021-08-02 | Anti-extraction safe indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215915983U true CN215915983U (en) | 2022-03-01 |
Family
ID=80398254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121786392.0U Active CN215915983U (en) | 2021-08-02 | 2021-08-02 | Anti-extraction safe indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215915983U (en) |
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2021
- 2021-08-02 CN CN202121786392.0U patent/CN215915983U/en active Active
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