CN206508017U - A kind of deep venous puncture puncture needle - Google Patents
A kind of deep venous puncture puncture needle Download PDFInfo
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- CN206508017U CN206508017U CN201621177512.6U CN201621177512U CN206508017U CN 206508017 U CN206508017 U CN 206508017U CN 201621177512 U CN201621177512 U CN 201621177512U CN 206508017 U CN206508017 U CN 206508017U
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- Prior art keywords
- needle
- puncture
- deep
- deep venous
- overlay film
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Abstract
The utility model provides a kind of deep venous puncture puncture needle, used cooperatively with deep venous puncture needle tubing, expansion skin unit with hollow needle and including elastic overlay film and expanding mechanism, expanding mechanism includes at least one the long and narrow elastic component being arranged in elastic overlay film and the pull bar for connecting the elastic component one end, the other end of the elastic component is fixedly connected with the blind end of elastic overlay film, is promoted pull bar and is extruded elastic component and outwards arch upward so that elastic overlay film is by elastic component jack-up.Inserted along deep venous puncture needle tubing and deep venous puncture puncture needle after seal wire, by elastic overlay film expand and carry out expand skin backed off after random deep venous puncture puncture needle directly can insert cannula of deep vein pipe along seal wire.The deep venous puncture puncture needle that the utility model is provided can simplify the tedious steps of traditional deep venouspuncture, it is to avoid expand skin it is excessively shallow or too deep caused by the quality time waste and it is unnecessary lose blood, reduce the pain of patient.
Description
Technical field
The utility model is related to a kind of medicine equipment, and in particular to a kind of retaining venipuncture puncture needle.
Background technology
Deep venouspuncture art is severe ward, major operation and the indispensable means for the treatment of of severe patient, deep venouspuncture
Art refers to the process of insert deep vein catheter through body puncture to corresponding vein.Existing deep venouspuncture basic step is：1.
Prepare tube placing device material.2. setting patient posture, point of puncture is chosen.3. setting up sterile zones, carried out according to sterile working program local
Sterilization, spreads operation towel.4. check whether deep vein catheter is intact.5. deep vein puncture.Using disposable CVC bag
The lancet puncture vein inside carried, observes blood back, confirms that pin hole fully enters fixed needle after blood vessel, keeps the position of pin.
6. seeing after vein blood back, syringe needle is slightly promoted, in order to avoid in breathing or activity outside needle point abjection blood vessel.Punctured 7. left hand is fixed
Pin, the right hand is held seal wire push and mounted into seal wire.8. fixing seal wire, puncture needle is exited.9. estimating paracentesis depth, expansion is inserted along seal wire
Sword-shaped needle (skin-dilating needle：For dilated penetration passage, the medical devices of Deep venou are smoothly entered with convenient deep vein catheter), expansion
Puncture channel backed off after random.10. inserting deep vein catheter along seal wire, seal wire is exited.11. with LMWHs liquid irrigating catheter.12.
Transfusion system and conduit are connected, is fixed with special fixator, point of puncture is protected with sterile pad pasting.
Introduced according to above-mentioned deep venouspuncture basic operational steps, be not difficult to find out in step 7 to step 10 to surround repeatedly and lead
Silk is operated, complex steps, inconsistent with rescuing racing against time for critical patient.And other equipment are wearing company with seal wire
When, because seal wire is thinner, end is unstable, is unfavorable for the company of wearing.During the company of wearing, cause the waste of rescue time, or even go out
Existing operational error (seal wire touches non sterile area by mistake), increases patient's infection risk.
In addition, when operator is along seal wire progress expansion skin in above-mentioned steps 9, because equal on puncture needle and skin-dilating needle generally used now
Without scale, operator rule of thumb can only carry out expansion skin by estimating depth, will so cause, one：Expand skin depth not enough, cause to put pipe
Difficult even failure is, it is necessary to expand skin again and waste the precious time；Two：Expansion skin is too deep to cause Deep venou to damage and internal haemorrhage.
Utility model content
The utility model is carried out to solve the above problems, it is therefore intended that is provided a kind of deep venous puncture and is worn
Pricker.
The utility model provides a kind of deep venous puncture puncture needle, it is characterised in that have：Hollow needle, including
Syringe needle, needle body, the backshank being sequentially connected with；And expand skin unit, it is arranged on the outer wall of needle body, including elastic overlay film and dilator
Structure, wherein, elastic overlay film has the blind end close to syringe needle and the openend close to backshank, and expanding mechanism includes being arranged on elasticity
The pull bar of Stent assembly and connection Stent assembly in overlay film, Stent assembly includes at least one long and narrow elastic component, the bullet
Property part one end be fixedly connected with blind end, the connection of one end of the other end and pull bar promotes the other end of pull bar and extruded
Elastic component outwards arches upward so that elastic overlay film is by elastic component jack-up.
In the deep venous puncture puncture needle that the utility model is provided, it can also have the feature that：Wherein, expand
Skin unit wraps the closed elastic overlay film of needle body outer wall, and the elastic overlay film has the connecting tube connected with the external world, should
Connecting tube expands elastic overlay film for being passed through liquid or gas.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, syringe needle has wedge angle, and the angle of the wedge angle is 10-25 degree.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, the external diameter of needle body is 0.2mm-0.5mm.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, the cavity of the cylindrical shape of connection syringe needle is provided with Aculeata.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, pull bar also includes being connected with the pull bar other end and grip portions that are engaged with needle tubing body, cavity and needle tubing
Head is engaged.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, the distance of blind end and syringe needle is the asperities that increase friction is provided with 10-20mm, the outer wall of backshank.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, length scale is provided with the outer wall of hollow needle, the depth of Deep venou is entered for measuring hollow needle.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, hollow needle is made up of metal material.
In addition, in the deep venous puncture puncture needle that the utility model is provided, can also have the feature that：Its
In, metal material is that surface scribbles silver or the stainless steel of nano material.
The effect of utility model and effect
The utility model provides a kind of deep venous puncture puncture needle, and coordinating with deep venous puncture needle tubing makes
With, stay pipe smoothly to insert Deep venou for Deep venou to be put, have the feature that, including hollow needle and including elastic overlay film
With the expansion skin unit of expanding mechanism, wherein, elastic overlay film have close to syringe needle blind end and close to backshank openend, expansion
Mechanism includes the pull bar of the Stent assembly being arranged in elastic overlay film and connection Stent assembly, and Stent assembly includes at least one
Long and narrow elastic component, one end of the elastic component is fixedly connected with blind end, one end connection of the other end and pull bar, promotes push-and-pull
The other end of bar and extrude elastic component and outwards arch upward so that elastic overlay film is by elastic component jack-up.
Inserted by deep venous puncture needle tubing along deep venous puncture puncture needle after seal wire, it is swollen by elastic overlay film
Swollen and carry out expansion skin, be then log out deep venous puncture puncture needle directly can insert cannula of deep vein pipe along seal wire.
The deep venous puncture puncture needle provided using the utility model can simplify in traditional deep venouspuncture complete
Need that seal wire first is inserted into Deep venou along puncture needle after into deep vein puncture, then puncture needle is exited along seal wire, then will expand skin
Pin is worn even with seal wire and completes dilated penetration path along seal wire, then exits skin-dilating needle along seal wire, then by cannula of deep vein pipe with leading
Silk wears the tedious steps for connecing and Deep venou being inserted along seal wire, shortens the puncture time, and to avoid expansion skin not deep enough, causes to put
The difficult even failure of pipe step is, it is necessary to expand skin again and waste the precious time and expand the too deep caused Deep venou damage of skin and interior
Bleeding, reduces patient's pain.
Brief description of the drawings
Fig. 1 is that deep venous puncture puncture needle of the present utility model uses cooperatively signal with deep venous puncture needle tubing
Figure；
Fig. 2 is the elastic preceding diagrammatic cross-section of overlay film expansion of puncture needle in the present embodiment；
Fig. 3 is diagrammatic cross-section after the elastic overlay film expansion of puncture needle in the present embodiment；
Fig. 4 is the elastic preceding diagrammatic cross-section of overlay film expansion of puncture needle in this variation；And
Fig. 5 is diagrammatic cross-section after the elastic overlay film expansion of puncture needle in this variation.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower embodiment combination accompanying drawing is specifically addressed to deep venous puncture device of the present utility model.
Fig. 1 is deep venous puncture puncture needle and the cooperation of deep venous puncture needle tubing in embodiment of the present utility model
Use schematic diagram.
As shown in figure 1, the head of deep venous puncture needle tubing 200 connects with the afterbody of deep venous puncture puncture needle 100
The use state connect.
Fig. 2 is the elastic preceding diagrammatic cross-section of overlay film expansion of puncture needle in the present embodiment.
As shown in Fig. 2 deep venous puncture puncture needle 100 includes hollow needle 10 and expands skin unit 20.
Hollow needle 10 includes syringe needle 11, needle body 12, the backshank 13 being sequentially connected with.
Syringe needle 11 has wedge angle, and the angle of the wedge angle is preferably 20 degree in 10-25 degree, the present embodiment.
The external diameter of needle body 12 is 0.2mm-0.5mm, is that length quarter is provided with 0.25mm, the outer wall of needle body 12 in embodiment
Degree, the depth of Deep venou is entered for measuring hollow needle.
It is provided with backshank 13 on the cavity of the cylindrical shape of connection syringe needle, the outer wall of backshank 13 and is provided with increase friction
Asperities.
Hollow needle 10 is made up of metal material, and metal material is that surface scribbles silver or the stainless steel of nano material.In this reality
Apply the stainless steel that hollow needle 10 in example scribbles silver using surface.
Fig. 3 is diagrammatic cross-section after the elastic overlay film expansion of puncture needle in the present embodiment.
As shown in figure 3, expand on skin unit 20, the outer wall for being arranged on needle body 12, including closed elastic overlay film 21 and connection
Pipe 22.
Elastic overlay film 21 wraps the outer wall of needle body 12, for closing hollow structure, including the first blind end and the second closing
End, elastic overlay film 21 is made of flexible flexible material, profile cylindrical form, what elastic overlay film 21 was formed after expanding
Cylinder external diameter is put to stay the external diameter of pipe identical or put than deep vein puncture with deep vein puncture stays the external diameter of pipe slightly larger, in the work of elastic force
Under, elastic overlay film 21 is attached on the outer wall of needle body 12, and the first blind end is close to syringe needle 11, and the distance with syringe needle 11 is 10-
It is 15mm in 20mm, embodiment.
Connecting tube 22 is arranged on elastic overlay film 21, and the connecting tube 22 is swollen by elastic overlay film 21 for being passed through liquid or gas
Extraneous gas is passed through in elastic overlay film 21 close to the second blind end and causes elasticity by the connecting tube 22 in distending, the present embodiment
Overlay film 21 is expanded, and the external diameter after expansion is put with deep vein puncture to be stayed the external diameter of pipe identical or put the external diameter for staying pipe than deep vein puncture
It is slightly larger.
Variation
In this variation, be the same as Example identical structure, which is given, to be identically numbered.
A kind of variation 100 ' of deep venous puncture puncture needle, the structure be the same as Example of hollow needle 10 is identical, specific to become
Change and expanding skin unit, lower mask body is illustrated to expanding skin unit 30.
Fig. 4 is the elastic preceding diagrammatic cross-section of overlay film expansion of puncture needle in this variation；
Fig. 5 is diagrammatic cross-section after the elastic overlay film expansion of puncture needle in this variation.
As shown in Figure 4, Figure 5, expanding skin unit 30 includes elastic overlay film 31 and expanding mechanism 32.
Elastic overlay film 31 is made of having springy flexible material, wraps the outer wall of needle body 12, profile is in cylinder
Shape, the cylinder external diameter that elastic overlay film 31 is formed after expanding is put with deep vein puncture to be stayed the external diameter of pipe identical or is put than deep vein puncture
Stay the external diameter of pipe slightly larger, elastic overlay film 31 has the blind end close to syringe needle 11 and the openend close to backshank 13, in elastic force
Under effect, elastic overlay film 31 is attached on the outer wall of needle body 12, during the distance of blind end and syringe needle 11 is 10-20mm, embodiment
For 15mm.
Expanding mechanism 32 includes the pull bar 322 of Stent assembly 321 and connection Stent assembly.
Stent assembly 321 includes at least one long and narrow elastic component, and the elastic component is arranged in elastic overlay film 31, elastic component
One end be fixedly connected with blind end, elastic component is 8 metallic elastic thin slices being split to form vertically of body in embodiment.
One end of pull bar 322 and the other end of elastic component are connected, and are promoted the other end of pull bar 322 and are extruded elastic component
Outwards arch upward and cause elastic overlay film 31 to expand cylindrical form by 8 metallic elastic thin slice jack-up, elasticity overlay film 31 after expansion
External diameter put to stay the external diameter of pipe identical or put than deep vein puncture with deep vein puncture and stay the external diameter of pipe slightly larger.
Pull bar 322 also include be connected with the pull bar other end and with the body of deep venous puncture needle tubing 200 matching
The grip portions of conjunction.
Deep venous puncture puncture needle 100 uses step：
1. prepare tube placing device material.
2. setting patient posture, point of puncture is chosen.
3. setting up sterile zones, partly sterilised is carried out according to sterile working program, operation towel is spread.
4. check whether deep vein catheter is intact.
5. deep vein puncture.Using deep venous puncture puncture needle 100, vein is punctured with hollow needle 10, blood back is observed,
Confirm that pin hole fully enters fixed needle after blood vessel and keeps the position of hollow needle 10.
6. the syringe needle of hollow needle 10 is slightly promoted, in case in breathing or activity outside needle point abjection blood vessel, left hand is fixed
Hollow needle 10.
7. the head of deep venous puncture needle tubing 200 to be connected to the afterbody of deep venous puncture puncture needle 100, choose
Relatively thin seal wire, to avoid sting device from slightly causing the increase of site of puncture tissue damage excessively.
8. left hand is fixed, the right hand holds seal wire and pushes frame from the Aculeata funnel-shaped chamber of deep venous puncture needle tubing 200
Insert seal wire.
9. the gas in the external world is passed through so that elastic overlay film 21 is expanded to connecting tube 22.
10. fixing seal wire, deep venous puncture puncture needle 100 is exited.
11. inserting deep vein catheter along seal wire, seal wire is exited.
12. use LMWHs liquid irrigating catheter.
13. connecting transfusion system and conduit, fixed with special fixator, point of puncture is protected with sterile pad pasting.
The effect of embodiment and effect
A kind of deep venous puncture puncture needle is present embodiments provided, is used cooperatively with deep venous puncture needle tubing,
Stay pipe smoothly to insert Deep venou for Deep venou to be put, have the feature that, including hollow needle；And it is arranged on the outer of needle body
Expansion skin unit on wall, wherein, expanding skin unit includes elastic overlay film, and the elastic overlay film has the connecting tube connected with the external world, should
Connecting tube expands elastic overlay film for being passed through liquid or gas.
Inserted by deep venous puncture needle tubing along deep venous puncture puncture needle after seal wire, it is swollen by elastic overlay film
Swollen and carry out expansion skin, be then log out deep venous puncture puncture needle directly can insert cannula of deep vein pipe along seal wire.
The deep venous puncture puncture needle provided using the present embodiment can simplify the cumbersome step of traditional deep venouspuncture
Suddenly, so as to shorten the puncture time, patient's pain is reduced.
In addition, the distance of blind end and syringe needle is 15mm, operator expands skin depth without calculating, and will expand skin estimating depth and becomes
For exact depth, it is to avoid expand skin it is excessively shallow or too deep caused by the quality time waste and unnecessary lose blood.
Further, hollow needle scribbles the stainless steel of silver using surface, and can carry out disinfection processing, recycling, so that
Reduce use cost.
Claims (10)
1. a kind of deep venous puncture puncture needle, is used cooperatively with deep venous puncture needle tubing, for by cannula of deep vein
Pipe smoothly inserts Deep venou, it is characterised in that including：
Hollow needle, including syringe needle, needle body, the backshank being sequentially connected with；And
Expand on skin unit, the outer wall for being arranged on the needle body, including elastic overlay film and expanding mechanism,
Wherein, the elastic overlay film has the blind end close to the syringe needle and the openend close to the backshank,
The expanding mechanism includes the Stent assembly being arranged in the elastic overlay film and the pull bar for connecting the Stent assembly,
The Stent assembly includes at least one long and narrow elastic component, and one end of the elastic component is fixedly connected with the blind end,
The other end is connected with one end of the pull bar,
Promote the other end of the pull bar and extrude the elastic component and outwards arch upward so that the elastic overlay film is by the elasticity
Part jack-up.
2. deep venous puncture puncture needle according to claim 1, it is characterised in that：
Wherein, the skin unit that expands wraps the closed elastic overlay film of the needle body outer wall, the elastic overlay film have with
The connecting tube of external world's connection, the connecting tube expands the elastic overlay film for being passed through liquid or gas.
3. deep venous puncture puncture needle according to claim 1, it is characterised in that：
Wherein, the syringe needle has wedge angle, and the angle of the wedge angle is 10-25 degree.
4. deep venous puncture puncture needle according to claim 1, it is characterised in that：
Wherein, the external diameter of the needle body is 0.2mm-0.5mm.
5. deep venous puncture puncture needle according to claim 1, it is characterised in that：
Wherein, the cavity for the cylindrical shape for connecting the syringe needle is provided with the Aculeata.
6. deep venous puncture puncture needle according to claim 4, it is characterised in that：
Wherein, the pull bar also includes gripping that is being connected with the pull bar other end and being engaged with the needle tubing body
Part,
The cavity is engaged with the head of the needle tubing.
7. deep venous puncture puncture needle according to claim 2, it is characterised in that：
Wherein, the distance of the blind end and the syringe needle is 10-20mm,
The asperities of increase friction are provided with the outer wall of the backshank.
8. deep venous puncture puncture needle according to claim 1, it is characterised in that：
Wherein, length scale is provided with the outer wall of the hollow needle, the depth of Deep venou is entered for measuring the hollow needle.
9. the deep venous puncture puncture needle according to any one in claim 1-8, it is characterised in that：
Wherein, the hollow needle is made up of metal material.
10. deep venous puncture puncture needle according to claim 9, it is characterised in that：
Wherein, the metal material is that surface scribbles silver or the stainless steel of nano material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177512.6U CN206508017U (en) | 2016-11-03 | 2016-11-03 | A kind of deep venous puncture puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177512.6U CN206508017U (en) | 2016-11-03 | 2016-11-03 | A kind of deep venous puncture puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206508017U true CN206508017U (en) | 2017-09-22 |
Family
ID=59860238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177512.6U Expired - Fee Related CN206508017U (en) | 2016-11-03 | 2016-11-03 | A kind of deep venous puncture puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206508017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381246A (en) * | 2018-10-19 | 2019-02-26 | 四川大学华西医院 | Multi-functional intelligent medical device that punctures |
| CN116492099A (en) * | 2023-06-16 | 2023-07-28 | 昆明市第一人民医院 | Method for establishing rat tree shrew xenogeneic in-situ liver transplantation model |
-
2016
- 2016-11-03 CN CN201621177512.6U patent/CN206508017U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381246A (en) * | 2018-10-19 | 2019-02-26 | 四川大学华西医院 | Multi-functional intelligent medical device that punctures |
| CN109381246B (en) * | 2018-10-19 | 2019-09-24 | 四川大学华西医院 | Multi-functional intelligent medical device that punctures |
| CN116492099A (en) * | 2023-06-16 | 2023-07-28 | 昆明市第一人民医院 | Method for establishing rat tree shrew xenogeneic in-situ liver transplantation model |
| CN116492099B (en) * | 2023-06-16 | 2023-09-15 | 昆明市第一人民医院 | Bile duct puncture outfit for rat tree shrew xenogeneic in-situ liver transplantation |
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Legal Events
| 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: 20170922 Termination date: 20181103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |