CN208838758U - A kind of improved iv cannule - Google Patents
A kind of improved iv cannule Download PDFInfo
- Publication number
- CN208838758U CN208838758U CN201821175204.9U CN201821175204U CN208838758U CN 208838758 U CN208838758 U CN 208838758U CN 201821175204 U CN201821175204 U CN 201821175204U CN 208838758 U CN208838758 U CN 208838758U
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- CN
- China
- Prior art keywords
- remaining needle
- needle
- outer tube
- main body
- junction block
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Abstract
The utility model discloses a kind of improved iv cannules, including remaining needle needle core, lever, colloidal silica, liquid inlet tee joint pipe, outer tube, side opening, remaining needle main body and indwelling needle shield, the lever and liquid inlet tee joint pipe are connected to the two sides of remaining needle main body, the colloidal silica is set to the inside of remaining needle main body, the outer tube is connected to the bottom of remaining needle main body, the remaining needle needle core is set to the inside of remaining needle main body, and the bottom end of remaining needle needle core runs through outer tube and extends to the lower section of outer tube, the top of the remaining needle needle core is socketed on colloidal silica, the outside of remaining needle needle core and outer tube below outer tube is set in indwelling needle shield.The utility model utilizes the positioning secure fit of hemispherical clamp and arc fixing groove, can prevent motion stops from loosing out of junction block, it can be ensured that motion stops block stronger in junction block, meet the use demand of people.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of improved iv cannules.
Background technique
Existing human body artery and vein blood vessel repeatedly, injection medicament repeatedly or fluid infusion all use remaining needle, remaining needle divides Y type
With two kinds of straight type, basic principle is all that the one very thin outer tube as puncture needle, its energy are covered on remaining needle needle core
It is pierced into blood vessel with remaining needle needle core, the effective medical grade special material production of housing is very thin very soft, but not influences medicament
Injection, after it is with remaining needle needle core puncture vessel, in the blood vessel, remaining needle needle core is exited for outer tube indwelling.It can be at any time with staying
It sets and carries out repetitious administration for patient, both facilitate or safe.
With the development of science and technology, remaining needle is also constantly improving, such as patent announcement number: CN203525077U, it is open
A kind of improved iv cannule includes remaining needle main body in structure, is provided with outer tube, outer tube in remaining needle main body
It is inside provided with remaining needle needle core, liquid inlet tee joint pipe is connected on the outside of remaining needle main body, further includes indwelling needle shield, indwelling in structure
Needle shield is actively socketed on the outer tube；Although the problem of remaining needle can be to avoid surprisingly being stabbed by remaining needle needle core,
It is in existing technology, when remaining needle needs to carry out blocking sealing at external infusion end interface after use, to avoid thin
Bacterium infection, blocks usually using motion stops, but current motion stops blocking is insecure, is easy to loosen, easily causes peace
Full hidden danger, requires further improvement, for this purpose, we provide a kind of improved iv cannules.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of improved sound proposed
Vein.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of improved iv cannule, including remaining needle needle core, lever, colloidal silica, liquid inlet tee joint pipe, outer tube,
Side opening, remaining needle main body and indwelling needle shield, the lever and liquid inlet tee joint pipe are connected to the two sides of remaining needle main body,
The colloidal silica is set to the inside of remaining needle main body, and the outer tube is connected to the bottom of remaining needle main body, the remaining needle needle
Core is set to the inside of remaining needle main body, and the bottom end of remaining needle needle core runs through outer tube and extends to the lower section of outer tube, described
The top of remaining needle needle core is socketed on colloidal silica, and the outside of remaining needle needle core and outer tube below outer tube covers
It is located in indwelling needle shield, the side opening is set to the upper end of remaining needle needle core, and the external infusion end of the liquid inlet tee joint pipe is equipped with
Junction block, the junction block are equipped with chock plug lid far from one end of liquid inlet tee joint pipe, and the chock plug is covered equipped with cylindrical groove, and connector
One end of pipe is movably set in cylindrical groove, and movable sleeve is equipped with motion stops in the junction block, and one end of motion stops is fixed on
There are two cavitys, and two skies far from being set on the side inner wall of cylindrical groove notch on the junction block in cylindrical groove for cylindrical groove
Chamber is symmetrical arranged, and arc fixing groove is equipped on the two sides inner wall of the cylindrical groove, is movably installed with portable pillar in the cavity,
The portable pillar is equipped with hemispherical clamp close to one end of arc fixing groove, and hemispherical clamp activity extends to the outer of junction block
Portion is simultaneously installed in arc fixing groove, and the portable pillar is fixedly connected with limited block far from one end of hemispherical clamp, and limits
The two sides of block are slidably connected with the two sides inner wall of cavity respectively, and spring, one end of the spring and limit are equipped in the cavity
Block is fixedly connected, and the other end of the spring is fixedly connected with cavity far from the side inner wall of arc fixing groove.
Preferably, the two sides of the chock plug lid are equipped with label protrusion, and protrusion is marked to respectively correspond with arc fixing groove
The inner side and outer side of chock plug lid is set.
Preferably, the hemispherical clamp and the inner wall of arc fixing groove are slidably connected.
Preferably, the cavity is equipped with through hole, and portable pillar and hemispherical close to the side inner wall of arc fixing groove
Clamp activity runs through through hole.
Preferably, limit sliding chutes are equipped on the two sides inner wall of the cavity, the two sides of the limited block are equipped with limit
Sliding block, and position limiting slide block is slidably connected with limit sliding chutes.
Preferably, one end of the junction block in cylindrical groove connects with cylindrical groove far from the side inner wall of cylindrical groove notch
Touching.
Compared with prior art, the utility model has the beneficial effects that
Improved iv cannule in the utility model, when the junction block on the external infusion end of liquid inlet tee joint pipe needs to seal
When mouth blocking, the motion stops that chock plug is covered are inserted into junction block, and at the same time, junction block is inserted into cylindrical groove, simultaneously will
Hemispherical clamp on chock plug lid two sides is squeezed to chock plug lid, then by arc fixing groove and hemisphere corresponding to label protrusion
The corresponding sliding of shape clamp, while under the promotion of spring force, spring pushes hemispherical clamp solid to arc by portable pillar
Determine to move in slot, fixation can be sealed in arc fixing groove when hemispherical clamp slides into, utilizes hemispherical clamp and arc in this way
The positioning secure fit of shape fixing groove, can prevent motion stops from loosing out of junction block, and people do not extract motion stops intentionally,
Motion stops are difficult voluntarily to loose out of junction block；
In conclusion the utility model utilizes the positioning secure fit of hemispherical clamp and arc fixing groove, can prevent
Motion stops loose out of junction block, it can be ensured that motion stops block stronger in junction block, meet making for people
Use demand.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of improved iv cannule structural schematic diagram；
Fig. 2 is the structural schematic diagram of part A amplification in Fig. 1；
Fig. 3 is the structural schematic diagram of part B amplification in Fig. 2.
In figure: 1 remaining needle needle core, 2 levers, 3 colloidal silicas, 4 liquid inlet tee joint pipes, 5 outer tubes, 6 side openings, 7 remaining needle main bodys,
8 indwelling needle shields, 9 junction blocks, 10 label protrusions, 11 chock plug lids, 12 motion stops, 13 cylindrical grooves, 14 cavitys, 15 springs, 16 limits
Position block, 17 portable pillars, 18 hemispherical clamps, 19 arc fixing grooves, 20 through holes, 21 position limiting slide blocks, 22 limit sliding chutes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of improved iv cannule, including remaining needle needle core 1, lever 2, colloidal silica 3, feed liquor three
Siphunculus 4, outer tube 5, side opening 6, remaining needle main body 7 and indwelling needle shield 8, lever 2 and liquid inlet tee joint pipe 4 are connected to and stay
The two sides of needle main body 7 are set, colloidal silica 3 is set to the inside of remaining needle main body 7, and outer tube 5 is connected to the bottom of remaining needle main body 7,
Remaining needle needle core 1 is set to the inside of remaining needle main body 7, and the bottom end of remaining needle needle core 1 through outer tube 5 and extends to outer tube
5 lower section, the top of remaining needle needle core 1 are socketed on colloidal silica 3, the remaining needle needle core 1 and housing positioned at 5 lower section of outer tube
The outside of pipe 5 is set in indwelling needle shield 8, side opening 6 be set to remaining needle needle core 1 upper end, liquid inlet tee joint pipe 4 it is external defeated
Liquid end is equipped with junction block 9, and junction block 9 is equipped with chock plug lid 11 far from one end of liquid inlet tee joint pipe 4, and chock plug lid 11 is equipped with cylindrical groove
13, and one end of junction block 9 is movably set in cylindrical groove 13, movable sleeve is equipped with motion stops 12, and motion stops 12 in junction block 9
One end be fixed on side inner wall of the cylindrical groove 13 far from 13 notch of cylindrical groove, set on the junction block 9 in cylindrical groove 13
There are two cavitys 14, and two cavitys 14 are symmetrical arranged, and are equipped with arc fixing groove 19, cavity on the two sides inner wall of cylindrical groove 13
Portable pillar 17 is movably installed in 14, portable pillar 17 is equipped with hemispherical clamp 18, and hemisphere close to one end of arc fixing groove 19
18 activity of shape clamp extends to the outside of junction block 9 and is installed in arc fixing groove 19, and portable pillar 17 is far from hemispherical clamp
18 one end is fixedly connected with limited block 16, and the two sides of limited block 16 are slidably connected with the two sides inner wall of cavity 14 respectively, empty
Spring 15 is equipped in chamber 14, one end of spring 15 is fixedly connected with limited block 16, and the other end and cavity 14 of spring 15 are far from arc
The side inner wall of shape fixing groove 19 is fixedly connected.
The two sides of chock plug lid 11 are equipped with label protrusion 10, and protrusion 10 is marked to respectively correspond setting with arc fixing groove 19
In the inner side and outer side of chock plug lid 11, hemispherical clamp 18 and the inner wall of arc fixing groove 19 are slidably connected, and cavity 14 is close to arc
The side inner wall of shape fixing groove 19 is equipped with through hole 20, and the activity of portable pillar 17 and hemispherical clamp 18 runs through through hole
20, limit sliding chutes 22 are equipped on the two sides inner wall of cavity 14, the two sides of limited block 16 are equipped with position limiting slide block 21, and limit and slide
Block 21 is slidably connected with limit sliding chutes 22, and one end of the junction block 9 in cylindrical groove 13 and cylindrical groove 13 are far from cylindrical groove 13
The side inner wall of notch is in contact, and the utility model utilizes the positioning secure fit of hemispherical clamp 18 and arc fixing groove 19,
It can prevent motion stops 12 from loosing out of junction block 9, it can be ensured that motion stops 12 block stronger in junction block 9,
Meet the use demand of people.
Improved iv cannule in the utility model, when the junction block 9 on the external infusion end of liquid inlet tee joint pipe 4 needs
When sealing blocking, the motion stops 12 on chock plug lid 11 are inserted into junction block 9, at the same time, junction block 9 is to 13 interpolation of cylindrical groove
Enter, while the hemispherical clamp 18 on 11 two sides of chock plug lid being squeezed to chock plug lid 11, then will mark corresponding to protrusion 10
The sliding corresponding with hemispherical clamp 18 of arc fixing groove 19, while under the promotion of 15 elastic force of spring, spring 15 passes through work
Dynamic column 17 pushes hemispherical clamp 18 to move into arc fixing groove 19, when hemispherical clamp 18 slides into arc fixing groove 19
Fixation can be sealed, the positioning secure fit of hemispherical clamp 18 and arc fixing groove 19 is utilized in this way, motion stops can be prevented
12 loose out of junction block 9, and people do not extract motion stops 12 intentionally, and motion stops 12 are difficult voluntarily to loosen out of junction block 9
Out, it can finally ensure that motion stops 12 block stronger in junction block 9, meet people use demand.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of improved iv cannule, including remaining needle needle core (1), lever (2), colloidal silica (3), liquid inlet tee joint pipe
(4), outer tube (5), side opening (6), remaining needle main body (7) and indwelling needle shield (8), the lever (2) and liquid inlet tee joint pipe
(4) two sides of remaining needle main body (7) are connected to, the colloidal silica (3) is set to the inside of remaining needle main body (7), described outer
Casing (5) is connected to the bottom of remaining needle main body (7), and the remaining needle needle core (1) is set to the inside of remaining needle main body (7), and
The bottom end of remaining needle needle core (1) runs through outer tube (5) and extends to the lower section of outer tube (5), the top of the remaining needle needle core (1)
End cap is connected on colloidal silica (3), and the outside for being located at remaining needle needle core (1) and outer tube (5) below outer tube (5) is arranged
In indwelling needle shield (8), the side opening (6) is set to the upper end of remaining needle needle core (1), which is characterized in that the liquid inlet tee joint
The external infusion end for managing (4) is equipped with junction block (9), and the junction block (9) is equipped with chock plug lid far from the one end of liquid inlet tee joint pipe (4)
(11), the chock plug lid (11) is equipped with cylindrical groove (13), and one end of junction block (9) is movably set in cylindrical groove (13),
The interior movable sleeve of the junction block (9) is equipped with motion stops (12), and cylindrical groove (13) are fixed on far from column in one end of motion stops (12)
On the side inner wall of shape slot (13) notch, set on the junction block (9) that is located in cylindrical groove (13) there are two cavity (14), and two
Cavity (14) is symmetrical arranged, and is equipped with arc fixing groove (19) on the two sides inner wall of the cylindrical groove (13), the cavity (14)
It is inside movably installed with portable pillar (17), the portable pillar (17) is equipped with hemispherical clamp close to the one end of arc fixing groove (19)
(18), and hemispherical clamp (18) activity extends to the outside of junction block (9) and is installed in arc fixing groove (19), the work
Dynamic column (17) are fixedly connected with limited block (16) far from the one end of hemispherical clamp (18), and the two sides of limited block (16) respectively with
The two sides inner wall of cavity (14) is slidably connected, and spring (15), one end of the spring (15) and limit are equipped in the cavity (14)
Position block (16) is fixedly connected, and the side inner wall of the other end and cavity (14) far from arc fixing groove (19) of the spring (15) is solid
Fixed connection.
2. a kind of improved iv cannule according to claim 1, which is characterized in that the two of the chock plug lid (11)
It is raised (10) that side is equipped with label, and marks raised (10) and arc fixing groove (19) to respectively correspond and be arranged in chock plug lid (11)
Inner side and outer side.
3. a kind of improved iv cannule according to claim 1, which is characterized in that the hemispherical clamp (18)
It is slidably connected with the inner wall of arc fixing groove (19).
4. a kind of improved iv cannule according to claim 1, which is characterized in that the cavity (14) is close to arc
The side inner wall of shape fixing groove (19) is equipped with through hole (20), and portable pillar (17) and hemispherical clamp (18) activity run through
Through hole (20).
5. a kind of improved iv cannule according to claim 1, which is characterized in that the two sides of the cavity (14)
It is equipped on inner wall limit sliding chutes (22), the two sides of the limited block (16) are equipped with position limiting slide block (21), and position limiting slide block
(21) it is slidably connected with limit sliding chutes (22).
6. a kind of improved iv cannule according to claim 1, which is characterized in that be located in cylindrical groove (13)
One end of junction block (9) is in contact with cylindrical groove (13) far from the side inner wall of cylindrical groove (13) notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175204.9U CN208838758U (en) | 2018-07-24 | 2018-07-24 | A kind of improved iv cannule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175204.9U CN208838758U (en) | 2018-07-24 | 2018-07-24 | A kind of improved iv cannule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838758U true CN208838758U (en) | 2019-05-10 |
Family
ID=66353981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821175204.9U Active CN208838758U (en) | 2018-07-24 | 2018-07-24 | A kind of improved iv cannule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245768A (en) * | 2020-10-23 | 2021-01-22 | 重庆大学附属肿瘤医院 | Vein puncture catheterization protection device |
-
2018
- 2018-07-24 CN CN201821175204.9U patent/CN208838758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112245768A (en) * | 2020-10-23 | 2021-01-22 | 重庆大学附属肿瘤医院 | Vein puncture catheterization protection device |
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