CN109498897A - Anti-blocking remaining needle - Google Patents
Anti-blocking remaining needle Download PDFInfo
- Publication number
- CN109498897A CN109498897A CN201811527403.6A CN201811527403A CN109498897A CN 109498897 A CN109498897 A CN 109498897A CN 201811527403 A CN201811527403 A CN 201811527403A CN 109498897 A CN109498897 A CN 109498897A
- Authority
- CN
- China
- Prior art keywords
- needle
- blocking
- catheter block
- needle tubing
- ejector sleeve
- 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.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 claims description 9
- 238000001467 acupuncture Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 239000011324 bead Substances 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of anti-blocking remaining needle comprising: needle tubing blocks pipe, ejector sleeve, catheter block；The needle tubing is installed on one end of the catheter block, and it is connected with the catheter block, the closure pipe is located in the catheter block, the outer diameter for blocking pipe is corresponding with the diameter of the needle tubing, described one end for blocking pipe is selectively protruded into the needle tubing, the other end of one end of the ejector sleeve from the catheter block protrudes into the catheter block, and is connected with the other end for blocking pipe.Anti-blocking remaining needle of the invention blocks pipe by setting, can extend into needle tubing when not being infused, and plays the role of blocking needle tubing, prevents blood from flowing into needle tubing, cause the blocking of needle tubing.
Description
Technical field
The present invention relates to a kind of remaining needle more particularly to a kind of anti-blocking remaining needles.
Background technique
Remaining needle includes the guiding puncture needle core that can be retained in the conduit/casing and stainless steel of endovascular softness.
Conduit and needle core punctured into when use intravascular together, after conduit fully enters blood vessel, withdraws out needle core, it only will be soft
Catheter retaining is in the blood vessels to carry out infusion treatment.Caused by the use of remaining needle can be reduced patient due to venipuncture repeatedly
Pain is convenient for clinical application, anxious, critical patient rescue medication, while can reduce the workload of nurse, and reduce the pain of patient
Bitterly.
However, existing remaining needle, when not being infused, the blood of patient is easy to flow backward in remaining needle, to be easy to cause
The blocking of remaining needle.In addition, the blood remained in remaining needle is easy to happen solidification, thus in infusion next time, the blood of solidification
Liquid, which is easily accessible in blood vessel, forms thrombus, and then the health of harmful to human.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-blocking remaining needles, to overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of anti-blocking remaining needle comprising: needle tubing, block pipe, ejector sleeve,
Catheter block；
The needle tubing is installed on one end of the catheter block, and is connected with the catheter block, and the closure pipe is located at described lead
In tube socket, the outer diameter for blocking pipe is corresponding with the diameter of the needle tubing, and institute is selectively protruded into described one end for blocking pipe
It states in needle tubing, the other end of one end from the catheter block of the ejector sleeve protrudes into the catheter block, and blocks pipe with described
The other end is connected.
As the improvement of anti-blocking remaining needle of the invention, the needle tubing and the material for blocking pipe are FEP.
Improvement as anti-blocking remaining needle of the invention is in being additionally provided with piston boit, the closure pipe in the catheter block
One end protruded into the needle tubing across the selecting property of piston boit.
As the improvement of anti-blocking remaining needle of the invention, pad is additionally provided between the piston boit and one end of the ejector sleeve
Piece.
As the improvement of anti-blocking remaining needle of the invention, also with interference setting between the ejector sleeve and the catheter block
Washer.
As the improvement of anti-blocking remaining needle of the invention, the other end of the catheter block is further sleeved with stop collar, the institute
The one end for stating ejector sleeve is provided with the protrusion to lean with the stop collar.
As the improvement of anti-blocking remaining needle of the invention, the anti-blocking remaining needle further include: steel needle, elastic slice, deck, limit
Pipe and anti-acupuncture needle seat, the other end that one end of the ejector sleeve passes through the position-limiting tube from the catheter block protrude into the conduit
In seat, the deck is installed on the other end of ejector sleeve, and the elastic slice is located in the deck, and one end of the steel needle sequentially passes through
Elastic slice, ejector sleeve, catheter block simultaneously protrude into the needle tubing, and retention bead is provided on the side wall of one end of the steel needle, described anti-
Acupuncture needle seat is installed on the other end of the steel needle.
As the improvement of anti-blocking remaining needle of the invention, card slot, the end of the elastic slice and institute are provided on the deck
It states steel needle to lean, the end is closed on the elastic slice and is provided with the buckle for being caught in the card slot.
As the improvement of anti-blocking remaining needle of the invention, the bayonet of the card slot is closed by card lid.
As the improvement of anti-blocking remaining needle of the invention, the needle tubing is contained in helmet.
Compared with prior art, the beneficial effects of the present invention are: anti-blocking remaining needle of the invention blocks pipe by setting,
It can be extend into needle tubing when not being infused, play the role of blocking needle tubing, prevent blood from flowing into needle tubing, cause needle tubing
Blocking.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the floor map of one specific embodiment of anti-blocking remaining needle of the invention；
Fig. 2 is the floor map of another specific embodiment of anti-blocking remaining needle of the invention.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
As shown in Figure 1, anti-blocking remaining needle of the invention includes: needle tubing 3, blocks pipe 8, ejector sleeve 11, catheter block 5.
3 indwelling of needle tubing inputs medical fluid in human vas, and specifically, the needle tubing 3 is installed on by metal wedge 4
One end of the catheter block 5, and be connected with the catheter block 5.The catheter block 5 has branch pipe, to enter from branch pipe
Medical fluid in catheter block 5 is input in human body by needle tubing 3.In addition, in order to protect the needle tubing 3, the needle tubing 3 is contained in shield
In cap 2, one end of the end suit and the catheter block 5 of the sheath.
The closure pipe 8 is used for when not being infused, and is extend into needle tubing 3, plays the role of blocking needle tubing 3, anti-Hemostatic Oral Liquid
It flows into needle tubing 3, causes the blocking of needle tubing 3.Specifically, the closure pipe 8 is located in the catheter block 5, the closure pipe 8
Outer diameter it is corresponding with the diameter of the needle tubing 3, it is described block pipe 8 one end selectively protrude into the needle tubing 3, play envelope
Stifled effect.Preferably, the material of the needle tubing 3 and closure pipe 8 is FEP.
The ejector sleeve 11 is for pushing closure pipe 8 to enter in the needle tubing 3.Specifically, one end of the ejector sleeve 11 is described in
The other end of catheter block 5 protrudes into the catheter block 5, and is connected with the other end for blocking pipe 8.To not be infused
When, active force is applied to ejector sleeve 11, the closure pipe 8 can be driven to extend into needle tubing 3.In addition, in order to guarantee the ejector sleeve
Leakproofness between 11 and catheter block 5, the washer 9 between the ejector sleeve 11 and the catheter block 5 also with interference setting.
Further, deviate from 11 axial direction of ejector sleeve from catheter block 5 in order to prevent, the other end of the catheter block 5
It is further sleeved with stop collar 12, correspondingly, one end of the ejector sleeve 11 is provided with the protrusion to lean with the stop collar 12.
Piston boit 6 is additionally provided in the catheter block 5, described one end for blocking pipe 8 is stretched across 6 the selecting property of piston boit
Enter in the needle tubing 3.Meanwhile gasket 7 is additionally provided between the piston boit 6 and one end of the ejector sleeve 11.
In addition, anti-blocking remaining needle of the invention also has the function of anti-needle thorn.
As shown in Fig. 2, specifically, the anti-blocking remaining needle further include: steel needle 1, elastic slice 16, deck 14, position-limiting tube 10 with
And anti-acupuncture needle seat 13.
Specifically, the other end that one end of the ejector sleeve 11 passes through the position-limiting tube 10 from the catheter block 5 protrudes into described
In catheter block 5, the deck 14 is installed on the other end of ejector sleeve 11, and the elastic slice 16 is located in the deck 14.The steel needle 1
One end sequentially pass through elastic slice 16, ejector sleeve 11, catheter block 5 and protrude into the needle tubing 3, correspondingly, be arranged on the elastic slice 16
There is the through-hole passed through for the steel needle 1, meanwhile, it is provided on the side wall of one end of the steel needle 1 and leans with the edge of through-hole
Retention bead.The anti-acupuncture needle seat 13 is installed on the other end of the steel needle 1.
To, when using steel needle 1 by needle tubing 3 puncture human skin after, need to pull out the steel needle 1, by 3 indwelling of needle tubing in
In human vas.When steel needle 1 moves to through hole, retention bead can prevent steel needle 1 from deviating from from elastic slice 16, so that steel needle 1
Needle point stay in elastic slice 16, prevent the needle pricks medical staff of steel needle 1.
Further, in order to enable steel needle 1 is arranged on the deck 14 together with the extraction for the elastic slice 16 being set on its needle point
There is card slot, the end of the elastic slice 16 leans with the steel needle 1, closes on the end on the elastic slice 16 and be provided with being caught in institute
State the buckle of card slot.To which when steel needle 1 is not extracted, elastic slice 16 is arranged in the deck 14 by buckle thereon；When pulling out
When steel needle 1 is detached from the end of steel needle 1 and elastic slice 16 out, buckles and mutually separated due to elastic reaction with card slot, facilitate steel needle 1
Together with the extraction of elastic slice 16 thereon.In addition, the bayonet of the card slot is closed by card lid 15.
In conclusion anti-blocking remaining needle of the invention blocks pipe by setting, needle tubing can be extend into when not being infused
In, play the role of blocking needle tubing, prevents blood from flowing into needle tubing, cause the blocking of needle tubing.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of anti-blocking remaining needle, which is characterized in that the anti-blocking remaining needle includes: needle tubing, blocks pipe, ejector sleeve, catheter block；
The needle tubing is installed on one end of the catheter block, and is connected with the catheter block, and the closure pipe is located at described lead
In tube socket, the outer diameter for blocking pipe is corresponding with the diameter of the needle tubing, and institute is selectively protruded into described one end for blocking pipe
It states in needle tubing, the other end of one end from the catheter block of the ejector sleeve protrudes into the catheter block, and blocks pipe with described
The other end is connected.
2. anti-blocking remaining needle according to claim 1, which is characterized in that the material of the needle tubing and closure pipe is FEP.
3. anti-blocking remaining needle according to claim 1, which is characterized in that be additionally provided with piston boit, institute in the catheter block
The one end for stating closure pipe is protruded into the needle tubing across the selecting property of piston boit.
4. anti-blocking remaining needle according to claim 3, which is characterized in that between the piston boit and one end of the ejector sleeve
It is additionally provided with gasket.
5. anti-blocking remaining needle according to claim 1, which is characterized in that also have between the ejector sleeve and the catheter block
The washer of interference setting.
6. anti-blocking remaining needle according to claim 1, which is characterized in that the other end of the catheter block is further sleeved with limit
One end of ring, the ejector sleeve is provided with the protrusion to lean with the stop collar.
7. anti-blocking remaining needle according to claim 1, which is characterized in that the anti-blocking remaining needle further include: steel needle, bullet
One end of piece, deck, position-limiting tube and anti-acupuncture needle seat, the ejector sleeve passes through the other end of the position-limiting tube from the catheter block
It protrudes into the catheter block, the deck is installed on the other end of ejector sleeve, and the elastic slice is located in the deck, the steel needle
One end sequentially passes through elastic slice, ejector sleeve, catheter block and protrudes into the needle tubing, and limit is provided on the side wall of one end of the steel needle
Protrusion, the anti-acupuncture needle seat are installed on the other end of the steel needle.
8. anti-blocking remaining needle according to claim 7, which is characterized in that be provided with card slot, the elastic slice on the deck
End lean with the steel needle, the end is closed on the elastic slice and is provided with the buckle for being caught in the card slot.
9. anti-blocking remaining needle according to claim 8, which is characterized in that the bayonet of the card slot is closed by card lid.
10. anti-blocking remaining needle according to claim 1, which is characterized in that the needle tubing is contained in helmet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527403.6A CN109498897B (en) | 2018-12-13 | 2018-12-13 | Anti-blocking retention needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527403.6A CN109498897B (en) | 2018-12-13 | 2018-12-13 | Anti-blocking retention needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109498897A true CN109498897A (en) | 2019-03-22 |
| CN109498897B CN109498897B (en) | 2024-05-03 |
Family
ID=65752526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527403.6A Active CN109498897B (en) | 2018-12-13 | 2018-12-13 | Anti-blocking retention needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109498897B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171193A1 (en) * | 2011-06-16 | 2012-12-20 | Chen Yongxi | Anti-overflow catheter assembly for indwelling needle |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN205145282U (en) * | 2015-11-11 | 2016-04-13 | 苏州鑫康道医疗科技有限公司 | Lien needle |
| WO2017113852A1 (en) * | 2015-12-30 | 2017-07-06 | 江苏阳普医疗科技有限公司 | Medical catheter assembly with non-detachable puncture needle |
| CN209713863U (en) * | 2018-12-13 | 2019-12-03 | 苏州鑫康道医疗科技有限公司 | Anti-blocking remaining needle |
-
2018
- 2018-12-13 CN CN201811527403.6A patent/CN109498897B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171193A1 (en) * | 2011-06-16 | 2012-12-20 | Chen Yongxi | Anti-overflow catheter assembly for indwelling needle |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN205145282U (en) * | 2015-11-11 | 2016-04-13 | 苏州鑫康道医疗科技有限公司 | Lien needle |
| WO2017113852A1 (en) * | 2015-12-30 | 2017-07-06 | 江苏阳普医疗科技有限公司 | Medical catheter assembly with non-detachable puncture needle |
| CN209713863U (en) * | 2018-12-13 | 2019-12-03 | 苏州鑫康道医疗科技有限公司 | Anti-blocking remaining needle |
Non-Patent Citations (1)
| Title |
|---|
| 沈美红;尹芳;: "正压防针刺型留置针在血管外科静脉输液中的应用", 当代护士(上旬刊), no. 12 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109498897B (en) | 2024-05-03 |
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