CN208372224U - Safe intravenous infusion needle - Google Patents
Safe intravenous infusion needle Download PDFInfo
- Publication number
- CN208372224U CN208372224U CN201720984617.0U CN201720984617U CN208372224U CN 208372224 U CN208372224 U CN 208372224U CN 201720984617 U CN201720984617 U CN 201720984617U CN 208372224 U CN208372224 U CN 208372224U
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- China
- Prior art keywords
- needle
- protection
- component
- intravenous infusion
- round tube
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Abstract
The utility model provides a kind of safe intravenous infusion needle; it includes: needle stand, syringe needle, protection component and protection plug; the syringe needle is fixedly arranged on the needle stand; the protection component is set in the needle stand; the protection plug is removably connected to the needle stand; and the protection component is defined in the needle stand, the protection assembly set is set to the syringe needle, and can skid off to cover the syringe needle.It is set to syringe needle by protection assembly set, and can be skidded off to cover syringe needle, to realize the function of anti-needle thorn.Protection plug plays the role of switch: when protection plug is connected with needle stand, protection component is limited in needle stand；When protection plug is disassembled from needle stand, protection component can be skidded off out of needle stand, to cover syringe needle.
Description
Technical field
The utility model relates to a kind of transfusion needle, in particular to a kind of safe intravenous infusion needle.
Background technique
In recent years, disposable intravenous infusion needle is gradually applied to clinic in China, becomes the master of clinical transfusion treatment
Want one of means.Present inpatient 90%~95% requires to carry out infusion treatment；After infusion, exposed needle
Head is easy to stab medical staff, causes the serious consequences such as medical worker's Hematogenous infection.
For this defect, the technological means that some transfusion needles use retractable needle utilizes bullet after the completion of infusion
The isostructural elastic force of spring, syringe needle is retracted in the structures such as the protective case for being used to protect syringe needle.It so, although can be effective
Syringe needle is protected, medical worker is avoided to be wounded by stabbing, but can be because the mechanical action of needle retractable causes patient greatly painful.
Some transfusion needles use the needle shield arrangement being set on perfusion tube, move needle shield after infusion manually for entangling needle
The needle shield of head, this structure can move freely on perfusion tube, its specific location is uncertain when use, be not convenient to use.
Utility model content
The technical problems to be solved in the utility model be in order to overcome in the prior art anti-needling structure easily cause patient not
The defect fit, being not convenient to use provides a kind of safe intravenous infusion needle.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of safe intravenous infusion needle comprising have: needle stand, syringe needle, protection component and protection plug, the syringe needle are fixed
In the needle stand, the protection component is set in the needle stand, and the protection plug is removably connected to the needle stand, and will be described
Protection component is defined in the needle stand, and the protection assembly set is set to the syringe needle, and can skid off to cover the syringe needle.
It is protecting assembly set to be set to syringe needle in the present solution, passing through, and can skid off and realize anti-needle thorn to cover syringe needle
Function.Component is protected to be set in needle stand, protection plug is removably connected to needle stand, and protection component is defined in needle stand, makes to protect
Shield plug plays the role of switch.When protection plug is connected with needle stand, protection component is limited in needle stand；When protection plug from
When disassembling on needle stand, protection component can be skidded off out of needle stand, to cover syringe needle.
Preferably, the safe intravenous infusion needle further includes elastic component, the elastic component is set in the needle stand, and
So that the side that the protection component skids off the needle stand presses up the protection component.
In the present solution, elastic parts protection component skid off needle stand side press up protection component make protect component by
Elastic forepressure, when protection plug is disassembled from needle stand, protection component can pop up under the action of elastic forepressure, with
Syringe needle is covered, to play the role of anti-needle thorn.
Preferably, the needle stand includes interconnecting piece and round tube, one end of the interconnecting piece and one end of the round tube are fixed
Connection, the other end of the interconnecting piece are connect with perfusion tube, and the syringe needle is fixedly arranged on the interconnecting piece, and the round tube is sheathed on institute
Syringe needle is stated, the protection component is set in the round tube, and the protection plug is removably connected to the other end of the round tube.
In the present solution, the specific structure of needle stand includes interconnecting piece and round tube, interconnecting piece is used for fixed needle, and round tube is used for
Protection component is placed, avoids protection component exposed.Protection plug is removably connected to the other end of round tube, for ensuring to protect plug quilt
It is limited in round tube, and plays on-off action.
Preferably, the protection component is circle tube member.
It is easy to use in the present solution, circle tube member is common component, while being also convenient for sliding on syringe needle.
Preferably, the outer peripheral surface of the protection component is equipped with auxiliary section, the auxiliary section is set to the protection component
Close to one end of the interconnecting piece, the inner peripheral surface of the round tube is equipped with limiting section, and auxiliary section is set to leaning on for the protection component
One end of the nearly interconnecting piece, the limiting section can be engaged with the auxiliary section to limit the movement of the protection component.
In the present solution, auxiliary section and round tube upper limit portion on protection component, which engage, can limit protection component shifting
It is dynamic, so as to guarantee to protect component slippage to protect the position of component to be defined after covering syringe needle, prevent protection component retraction
And anti-acupuncture effect is caused to fail.Auxiliary section is set to one end of the close interconnecting piece of protection component, and auxiliary section is set to protection component
Close interconnecting piece one end, it can be ensured that after protecting the overwhelming majority of component to skid off round tube, protect component position just limited
It is fixed, to improve the utilization rate of round tube, reduce the size of transfusion needle.
Preferably, the limiting section is a groove, the auxiliary section is a protrusion.
It is easily manufactured in the present solution, groove structure and bulge-structure are common structure, it is reliable and stable.
Preferably, the inner peripheral surface of the round tube is equipped with a salient point and an inwardly projecting annulus, the salient point relative to
The annulus forms the groove closer to the interconnecting piece between the salient point and the annulus；
The auxiliary section is an annular protrusion.
In the present solution, the structure of groove is a salient point and an inwardly projecting annulus, and salient point is relative to the annulus
Auxiliary section can be made to cross salient point under the effect of elasticity closer to interconnecting piece to be unable to cross annulus, to skid off syringe needle.Together
When, auxiliary section is under the limit of salient point, its position will not change when by certain active force.Auxiliary section is convex annular
It rises, can guarantee that salient point plays position-limiting action to auxiliary section.
Preferably, the protection is equipped with through-hole beyond the Great Wall, the syringe needle is arranged in the through-hole.
In the present solution, syringe needle is arranged in the through-hole of protection beyond the Great Wall, filling in protection can disassemble and slide from needle stand
Syringe needle out, to guarantee not influence to protect component slippage after protection plug is disassembled from needle stand.
Preferably, the peripheral surface of the protection plug is equipped with bulge loop, the bulge loop is arranged in the groove.
In the present solution, bulge loop is arranged in groove, guaranteeing that protection plug is reliably connected with needle stand, avoid protection plug surprisingly from
It is dropped out on needle stand and protection component is caused to skid off needle stand in advance.
Preferably, the protection plug is made of soft materials.
In the present solution, the reliability that protection plug is connect with needle stand can be enhanced with certain elasticity in soft materials.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is: being set to syringe needle by protection assembly set, and can skid off to cover
Syringe needle, to realize the function of anti-needle thorn.Protection plug plays the role of switch: when protection plug is connected with needle stand, protecting
Protecting assembly is limited in needle stand；When protection plug is disassembled from needle stand, protection component can be skidded off out of needle stand, to cover
Lid syringe needle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the safe intravenous infusion needle of the preferred embodiment in the utility model.
Fig. 2 is the structural schematic diagram of the protection component of the preferred embodiment in the utility model.
Fig. 3 is the structural schematic diagram of the protection plug of the preferred embodiment in the utility model.
Description of symbols
Needle stand 1
Syringe needle 2
Protect component 3
Protection plug 4
Elastic component 5
Interconnecting piece 6
Round tube 7
Groove 8
Protrusion 9
Salient point 10
Annulus 11
Through-hole 12
Bulge loop 13
Specific embodiment
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
Fig. 1 shows a kind of safe intravenous infusion needle comprising has: needle stand 1, syringe needle 2, protection component 3 and protection plug
4.Syringe needle 2 is fixedly arranged on needle stand 1, and protection component 3 is set in needle stand 1.Protection plug 4 is removably connected to needle stand 1, and will protect component
3 are defined in needle stand 1.Protection component 3 is sheathed on syringe needle 2, and can skid off to cover syringe needle 2.By protecting component 3 to be sheathed on
Syringe needle 2, and the function that can be skidded off to cover syringe needle 2 to realize anti-needle thorn.Component 3 is protected to be set in needle stand 1, protection plug 4 can
Dismantling connection is defined in needle stand 1 in needle stand 1, and by protection component 3, and protection plug 4 is made to play the role of switch.When protection is filled in
4 with needle stand 1 when being connected, and protection component 3 is limited in needle stand 1；When protection plug 4 is disassembled from needle stand 1, protection
Component 3 can be skidded off out of needle stand 1, to cover syringe needle 2.
Further, safe intravenous infusion needle further includes elastic component 5, and elastic component 5 is set in needle stand 1, and to protect
The side that protecting assembly 3 skids off needle stand 1 presses up protection component 3.Elastic parts protection component 3 skid off needle stand 1 direction on by
Pressure protection component 3 makes to protect component 3 by elastic forepressure, and when protection plug 4 is disassembled from needle stand 1, protection component 3 can
It is popped up under the action of elastic forepressure, to cover syringe needle 2, to play the role of anti-needle thorn.In the present embodiment, elastic group
Part is spring, and spring precommpression is so that protect component 3 on the direction for skidding off needle stand 1 by elastic forepressure.It is actually using
In, elastic component 5 can also be not provided with.Component 3 will be protected to pull out out of needle stand 1 by artificial mode and cover syringe needle 2, equally
The function of anti-needle thorn can be played.
In addition, needle stand 1 includes interconnecting piece 6 and round tube 7, one end of interconnecting piece 6 is fixedly connected with one end of round tube 7, is connected
The other end in portion 6 is connect with perfusion tube, and syringe needle 2 is fixedly arranged on interconnecting piece 6, and round tube 7 is sheathed on syringe needle 2, and protection component 3 is set to circle
In pipe 7, protection plug 4 is removably connected to the other end of round tube 7.In the present embodiment, interconnecting piece 6 is used for fixed needle 2, round tube 7
Component 3 is protected for placing, protects length of the component 3 on 2 axis direction of syringe needle to be less than the length of round tube 7, avoids protection group
Part 3 is exposed.Protection plug 4 is removably connected to the other end of round tube 7, for ensuring that plug 4 is protected to be limited in round tube 7, and rises
To on-off action.
Further, protection component 3 is circle tube member.Circle tube member is common component, easy to use.The present embodiment
In, the inner peripheral surface of round tube 7 and the outer peripheral surface of circle tube member have certain interval, inner peripheral surface and the syringe needle 2 of circle tube member
Outer peripheral surface has certain interval, slides on syringe needle 2 convenient for circle tube member.
Meanwhile the outer peripheral surface of component 3 being protected to be equipped with auxiliary section, auxiliary section is set to the close interconnecting piece 6 of protection component 3
One end, the inner peripheral surface of round tube 7 are equipped with limiting section, and auxiliary section is set to one end of the close interconnecting piece 6 of protection component 3, limiting section
It can be engaged with auxiliary section to limit the movement of protection component 3.Auxiliary section and 7 upper limit portion of round tube on protection component 3 connect
Conjunction can limit that protection component 3 is mobile, so as to guarantee to protect the sliding of component 3 to cover the position for protecting component 3 after syringe needle 2
It is defined, prevents protection component 3 from bouncing back and anti-acupuncture effect is caused to fail.Auxiliary section is set to the close interconnecting piece 6 of protection component 3
One end, auxiliary section be set to protection component 3 close interconnecting piece 6 one end, it can be ensured that protect component 3 the overwhelming majority skid off
After round tube 7, the position of protection component 3 is just defined, to improve the utilization rate of round tube 7, reduces the size of transfusion needle.In reality
In use, the position in the 7 upper limit portion of position and round tube of auxiliary section can be according to the ruler of round tube 7 in transfusion needle on protection component 3
Very little and syringe needle 2 exposes the length of needle stand 1 to be arranged, and need to only meet and protect component 3 that can cover when limiting section is engaged with auxiliary section
The needle point of lid syringe needle 2.
Further, limiting section is a groove 8, and auxiliary section is a protrusion 9.8 structure of groove and raised 9 structures are common
Structure, it is easily manufactured, it is reliable and stable.In actual use, auxiliary section can be arranged to groove 8, limiting section is arranged to protrusion 9.
Understood incorporated by reference to Fig. 2, the inner peripheral surface of round tube 7 is equipped with a salient point 10 and an inwardly projecting annulus 11, convex
Point 10, closer to interconnecting piece 6, forms groove 8 relative to annulus 11 between salient point 10 and annulus 11.Auxiliary section is an annular protrusion
9.In the present embodiment, the structure of groove 8 is a salient point 10 and an inwardly projecting annulus 11, and salient point 10 is relative to annulus 11
Auxiliary section can be made to cross salient point 10 under the effect of elasticity closer to interconnecting piece 6 to be unable to cross annulus 11, to skid off needle
First 2.Meanwhile auxiliary section, under the limit of salient point 10, its position will not change when by certain active force.Cooperation
Portion is annular protrusion 9, can guarantee that salient point 10 plays position-limiting action to auxiliary section.In the present embodiment, for annular protrusion 9 can be made
Salient point 10 can be crossed and limited by salient point 10, salient point 10 is right-angle prismatic rod structure, the inclined-plane and ring of right angle triangular prism
Shape protrusion 9 is opposite, and annular protrusion 9 is enabled to cross inclined-plane and limited by right-angle surface.
As shown in figure 3, protection plug 4 is equipped with through-hole 12, syringe needle 2 is arranged in through-hole 12, enables protection plug 4 from needle stand 1
On disassemble and skid off syringe needle 2, to guarantee after protection plug 4 is disassembled from needle stand 1 not influence that component 3 is protected to slide.
In the present embodiment, the through-hole 12 and the gap of syringe needle 2 on protection plug 4 are smaller, can play the role of stable syringe needle 2.Preferably,
Protection plug 4 can not also be set to the side of syringe needle 2 around syringe needle 2, to limit the position of protection component 3.
Meanwhile the peripheral surface of plug 4 being protected to be equipped with bulge loop 13, bulge loop 13 is arranged in groove 8, guarantees protection plug 4 and needle
Seat 1 is reliably connected, and avoids unexpected drop out from needle stand 1 of protection plug 4 that protection component 3 is caused to skid off needle stand 1 in advance.It is actually using
When, when the inner surface for the end that round tube 7 is connected with protection plug 4 is bulge loop structure, the peripheral surface of protection plug 4 can be equipped with groove
Structure is matched.
Further, protection plug 4 is made of soft materials.Soft materials have certain elasticity, can be easier to from needle stand 1
It extracts.Preferably, protection plug 4 can be made by materials such as silica gel, rubber.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the protection scope of the utility model.
Claims (10)
1. a kind of safe intravenous infusion needle, which is characterized in that it includes: needle stand, syringe needle, protection component and protection plug, institute
It states syringe needle and is fixedly arranged on the needle stand, the protection component is set in the needle stand, and the protection plug is removably connected to the needle
Seat, and the protection component is defined in the needle stand, the protection assembly set is set to the syringe needle, and can skid off to cover
Cover the syringe needle.
2. safe intravenous infusion needle as described in claim 1, which is characterized in that the safe intravenous infusion needle further includes
Elastic component, the elastic component are set in the needle stand, and are pressed up in the side for making the protection component skid off the needle stand
The protection component.
3. safe intravenous infusion needle as described in claim 1, which is characterized in that the needle stand includes interconnecting piece and round tube,
One end of the interconnecting piece is fixedly connected with one end of the round tube, and the other end of the interconnecting piece is connect with perfusion tube, described
Syringe needle is fixedly arranged on the interconnecting piece, and the round tube is sheathed on the syringe needle, and the protection component is set in the round tube, the guarantor
Shield plug is removably connected to the other end of the round tube.
4. safe intravenous infusion needle as described in claim 1, which is characterized in that the protection component is circle tube member.
5. safe intravenous infusion needle as claimed in claim 3, which is characterized in that the outer peripheral surface of the protection component is equipped with
Auxiliary section, the auxiliary section are set to one end close to the interconnecting piece of the protection component, set on the inner peripheral surface of the round tube
There is limiting section, the limiting section is located at one end in the round tube far from the interconnecting piece, and the limiting section can match with described
The engagement of conjunction portion is to limit the movement for protecting component.
6. safe intravenous infusion needle as claimed in claim 5, which is characterized in that the limiting section is a groove, described to match
Conjunction portion is a protrusion.
7. safe intravenous infusion needle as claimed in claim 6, which is characterized in that it is convex that the inner peripheral surface of the round tube is equipped with one
Point and an inwardly projecting annulus, the salient point is relative to the annulus closer to the interconnecting piece, the salient point and the circle
The groove is formed between ring；
The auxiliary section is an annular protrusion.
8. safe intravenous infusion needle as described in claim 1, which is characterized in that the protection is equipped with through-hole beyond the Great Wall, described
Syringe needle is arranged in the through-hole.
9. safe intravenous infusion needle as claimed in claim 6, which is characterized in that the peripheral surface of the protection plug is equipped with convex
Ring, the bulge loop are arranged in the groove.
10. safe intravenous infusion needle as described in claim 1, which is characterized in that the protection plug is made of soft materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984617.0U CN208372224U (en) | 2017-08-08 | 2017-08-08 | Safe intravenous infusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984617.0U CN208372224U (en) | 2017-08-08 | 2017-08-08 | Safe intravenous infusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208372224U true CN208372224U (en) | 2019-01-15 |
Family
ID=64978425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720984617.0U Active CN208372224U (en) | 2017-08-08 | 2017-08-08 | Safe intravenous infusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208372224U (en) |
-
2017
- 2017-08-08 CN CN201720984617.0U patent/CN208372224U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |