CN202122761U - Hemorrhage-preventive catheter component of retention needle - Google Patents
Hemorrhage-preventive catheter component of retention needle Download PDFInfo
- Publication number
- CN202122761U CN202122761U CN2011202034841U CN201120203484U CN202122761U CN 202122761 U CN202122761 U CN 202122761U CN 2011202034841 U CN2011202034841 U CN 2011202034841U CN 201120203484 U CN201120203484 U CN 201120203484U CN 202122761 U CN202122761 U CN 202122761U
- Authority
- CN
- China
- Prior art keywords
- sealing
- hemorrhage
- sealing member
- diaphragm seal
- face
- 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.)
- Expired - Lifetime
Links
- 208000032843 Hemorrhage Diseases 0.000 title claims abstract description 21
- 230000014759 maintenance of location Effects 0.000 title abstract 6
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 238000001802 infusion Methods 0.000 claims description 8
- 229920000297 Rayon Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 208000035143 Bacterial infection Diseases 0.000 abstract description 4
- 208000022362 bacterial infectious disease Diseases 0.000 abstract description 4
- 210000004204 blood vessel Anatomy 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 244000144987 brood Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000004531 microgranule Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to medical equipment applicable into a blood vessel, in particular to a hemorrhage-preventive catheter component of a retention needle, which is applicable to various retention needles, and is particularly applicable to open type retention needles or high-pressure transfusion places. The technical scheme includes that the hemorrhage-preventive catheter component further comprises a sealing needleless joint, the needleless joint consists of a sealing base and a sealing part, one end of the sealing base is mounted at the outer end of a catheter seat, and the sealing part is a flexible elastic component and consists of an upper sealing plate, a lower sealing plate and a middle sealing section which are integrated. Direct sterile transfusion is realized, and the problem that a transfusion channel is zigzag and long to cause poor transfusion effect and bacterial infection is solved. In addition, the integral needleless joint is simple in structure and has few parts, accordingly, production and installation costs are low, the price of the installed retention needle is lower than one-tenth of selling price of a retention needle in markets at least, economical benefit is remarkable, and operation cost of hospitals and medical treatment cost of patients are reduced.
Description
Technical field
This utility model relates to a kind of endovascular medical apparatus and instruments that is applicable to, particularly a kind of remaining needle is prevented the hemorrhage conduit tube component.It is applicable to various remaining needles, particularly open remaining needle, or high pressure infuser occasion.
Background technology
In the prior art; Remaining needle includes conduit tube component and needle tubing assembly; The catheter block that conduit tube component includes soft conduit and is connected with conduit one end, needle tubing assembly comprise the puncture draw point, the needle stand of puncture draw point and the connecting elements that is connected with catheter block are installed.Before the use, the puncture draw point is plugged in the soft conduit, and exposes needle point, and needle stand is connected with catheter block through connecting elements.During use; After the soft conduit that has a draw point that punctures punctures successfully; Need the medical worker to exert pressure with sealing blood vessels on the skin being punctured directly over the blood vessel; Withdraw from the puncture draw point then rapidly, insert the transfusion closed joint, the compressing blood vessel can reduce as far as possible that blood continues outwards to overflow through draw point and conduit when withdrawing from the puncture draw point.But the weak point that above-mentioned technology exists is: the one, and it is improper that this finger-press method operation has slightly, still keeps away unavoidable blood outflow, thereby cause blood contamination, and medical personnel are caused potential safety hazard; The 2nd, the operating process of this remaining needle is loaded down with trivial details, needs a twist of the wrist and rich experience, all can cause bigger mental pressure to medical personnel and sufferer.
In order to address the above problem; Those skilled in the art have adopted various isolation calparine caps, the general potential safety hazard that has needle adapter can bring secondary puncture, and the puncture calparine cap easily band from calparine cap the plastic cement microgranule; Make it get into human body; Cause secondary injury, therefore at present progressively using no needle adapter, like the disclosed a kind of malleation liquid inlet joint of Chinese patent ZL200620025110.4 to sufferer; Chinese patent 95197269.3 disclosed a kind of needleless medical connectors; The disclosed a kind of no needle adapter of Chinese patent ZL200610033682.1; Above-mentioned various no needle adapter parts are many, and it is complicated to produce installation procedure, and cost is high; Make existing commercially available remaining needle hold at high price, caused the height of the expensive and sufferer of the hospital expense of seeking medical advice; And although each parts are sterilized, but still can there be the threat of bacterial infection in the transfusion that inserts each parts of need flowing through, and it is direct inadequately infuse, in case certain parts dislocation occurs or is out of shape, will cause its inefficacy, and effect is bad.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, with low cost according to the weak point of prior art, and the effective remaining needle of infusing is prevented the hemorrhage conduit tube component.
The purpose of this utility model realizes through following approach:
Remaining needle is prevented the hemorrhage conduit tube component; The catheter block that includes soft conduit and be connected with conduit one end, its structural feature are that also including a kind of sealing does not have needle adapter; This no needle adapter includes sealing base and sealing member, and an end of sealing base is installed in the outer end of catheter block; Sealing member is soft elastic component; Constitute by incorporate diaphragm seal, lower sealing piece and the intermediate seal section of going up; The end face of last diaphragm seal is provided with one and passes airtight slit, center, and the intermediate seal section is passed via last diaphragm seal in this slit; Connect lower sealing piece, gap length is greater than last diaphragm seal radius; Sealing base has the cylindrical cavity that connects about; Sealing member is installed in this inner chamber of sealing base; Last diaphragm seal and lower sealing piece be airtight respectively to be fixed on the vertical both ends of the surface of inner chamber of sealing base, has redundant space between intermediate seal section and the cylindrical cavity.
When mounted, direct sealing member indentation sealing pedestal with integrated molding, and will go up the both ends of the surface that diaphragm seal, lower sealing piece are fixedly connected on sealing base respectively; Form the no needle adapter of sealing; Then sealing base and catheter block and needle tubing assembly are coupled together, during use, the taper joint of transfusion or syringe directly is pressed into the rectangular slit in the diaphragm seal; Owing to have redundant space between intermediate seal section and the sealing base cylindrical cavity; Therefore when taper joint got into the intermediate seal section, the sealing section can be out of shape expansion in the sealing base cylindrical cavity, formed infusion channel; Expansion along with the intermediate seal section; Slit on the lower sealing piece is also expanded thereupon and is opened; Medicinal liquid in transfusion device or the syringe just can be delivered directly in the catheter block inner chamber, and via in the conduit intravasation, realizes directly transfusion; Avoid tortuous, the very long and transfusion weak effect that causes of infusion channel, had the problem of bacterial infection.And whole needleless joint design is simple, and parts are few; Thereby become to produce installation cost cheap; Make the remaining needle price after installing be lower than the less than 1/10th of existing commercially available price, economic effect is considerable, has alleviated the job costs of hospital and the cost of seeking medical advice of sufferer.
This utility model can further be specially:
One end face of sealing base is a curved end, and the last diaphragm seal of sealing member is fixedly connected with this curved end and forms the arc structure of indent.
The arc structure of indent makes the form that goes up tight interior pine beyond the slit in the diaphragm seal exist, and is convenient to taper joint and inserts, and it is time saving and energy saving to operate; On the other hand, the slit is closed more closely on the arcwall face of indent, and after taper joint was extracted, it can faster, better be realized replying and be airtight.
Have the protruding tongue of a kind of triangle cylindricality on the lower sealing piece outside end face of sealing member, a lateral column face is positioned on the slit, and the slit outlet in the sealing member overlaps with the microscler pinnacle that the other both sides cylinder of the protruding tongue of triangle forms.
The both sides cylinder of the protruding tongue of triangle forms the slope, inclined-plane to the top on last diaphragm seal; After the puncture draw point is withdrawn from conduit tube component; Blood back will be full of the catheter block inner chamber fast, and blood pressure acts on the slope, inclined-plane of the protruding tongue of this triangle cylindricality, thereby oppress the slit of protruding tongue; Make it closed more closely, effectively prevent hemorrhage.This special tectonic of sealing sheet makes remaining needle when transfusion, promptly connects occasion applicable to having pin infusion connector and no needle adapter to refute, and particularly is fit to high pressure infuser occasion.
The intermediate seal section is a kind of flat-shaped structure, and two sides can be the plane, also can be a kind of arcwall face, and the slit of sealing member coincides with the axle center face of this flat-shaped structure.
Insert no needle adapter for the ease of taper joint, the slit of sealing member needs certain length, for being slightly larger than the radius of diaphragm seal; So; The intermediate seal section need provide the structure that cooperates with this slit, and the intermediate seal section needs certain expansive space, and flat-shaped structure is a best choice; Can be flat, or flat ellipticity.
This utility model can also further be specially:
The last diaphragm seal of sealing member is fixedly connected through a kind of viscose with sealing base with lower sealing piece.
This mode fitting operation is simple, has realized the closed sterile soft inner chamber on the conduit tube component.
The last diaphragm seal of sealing member is installed in an end face of sealing base with a kind of tight fit.
Can introduce the third medium like this, but sealing effectiveness is slightly poor.
Be distributed with fixedly thread on the outside end face of sealing base, sealing base is through this fixedly flexible connection of thread realization and infusion connector or indwelling needle catheter seat or needle tubing assembly.
According to the medical care operation rules, no needle adapter is the same as calparine cap, needs periodic replacement, thereby a kind of structure of flexible connection need be provided, and makes it easy to change.In addition, screwed infusion connector also can be directly connected to through the connecting elements on the sealing pedestal on the no needle adapter, need not to insert sealing member, better realizes the anti-hemorrhage function of the no needle adapter of sealing.
In sum; This utility model provides a kind of novel remaining needle to prevent the hemorrhage conduit tube component; It provides a kind of sealing not have needle adapter, and it mainly is made up of incorporate sealing member and sealing base, realizes direct aseptic transfusion; Avoid tortuous, the very long and transfusion weak effect that causes of infusion channel, had the problem of bacterial infection.And whole needleless joint design is simple, and parts are few; Thereby become to produce installation cost cheap; Make the remaining needle price after installing be lower than the less than 1/10th of existing commercially available price, economic effect is considerable, has alleviated the job costs of hospital and the cost of seeking medical advice of sufferer.
Description of drawings
Shown in Figure 1 is the structural representation of the anti-hemorrhage conduit tube component of the said remaining needle of this utility model;
Shown in Figure 2 is the structural representation of the no needle adapter of sealing in the anti-hemorrhage conduit tube component of the said remaining needle of this utility model;
The structural representation that does not have sealing member in the needle adapter for the said sealing of this utility model shown in Figure 3;
The structural representation that is different from Fig. 3 view angle that does not have sealing member in the needle adapter for the said sealing of this utility model shown in Figure 4;
The structural representation that does not have sealing base in the needle adapter for the said sealing of this utility model shown in Figure 5;
The structural representation that does not have another view angle of sealing base in the needle adapter for the said sealing of this utility model shown in Figure 6;
Shown in Figure 7 is the structural representation of anti-hemorrhage conduit tube component of the said remaining needle of this utility model and needle tubing combination of components.
Below in conjunction with embodiment this utility model is done and to be further described.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1; Remaining needle is prevented the hemorrhage conduit tube component; The sealing that include soft conduit 1, the catheter block 2 that is connected with conduit 1 one ends, is connected with catheter block 2 the other end does not have needle adapter 3, is installed on the lateral wall of catheter block 2; And the exhaust passage 4 that is communicated with catheter block 2 inner chambers, having venting plug in this exhaust passage and be installed on catheter block 2 lateral walls equally, ear 5 is pinched in the operation that is symmetrically distributed in 4 both sides, exhaust passage.Below the concrete no needle adapter of sealing of introducing:
With reference to accompanying drawing 2, seal no needle adapter and include sealing member 31 and sealing base 32:
With reference to accompanying drawing 3 and accompanying drawing 4; Sealing member 31 includes last diaphragm seal 311, intermediate seal section 312 and the lower sealing piece 313 of integrated structure; The end face of last diaphragm seal 311 is provided with one and passes airtight slit 314, center (as shown in Figure 3), and intermediate seal section 312 is passed via last diaphragm seal 311 in this slit 314; Connect lower sealing piece 313, slit 314 length are slightly larger than diaphragm seal 311 radiuses; Intermediate seal section 312 is a kind of flat-shaped structure, and two sides can be the plane, also can be a kind of arcwall face, and the slit of sealing member coincides with the axle center face of this flat-shaped structure; Have protruding tongue 315, the one lateral column faces of a kind of triangle cylindricality on lower sealing piece 313 outside end faces of sealing member and be positioned on the slit, slit 314 outlets in the sealing member overlap (as shown in Figure 4) with the microscler pinnacle that the other both sides cylinder of the protruding tongue of triangle forms.
With reference to accompanying drawing 5 and accompanying drawing 6; Sealing base 32 has the cylindrical cavity that connects about; The outside is distributed with fixedly thread 321 on the end face, and sealing base 32 passes through this fixedly flexible connection of thread 321 realizations and infusion connector or indwelling needle catheter assembly or needle tubing assembly.One end of sealing base 32 is arc port 322 (as shown in Figure 6);
Structure explanation according to above-mentioned sealing member 31 and sealing base 32; Further specify the no needle adapter of sealing; With reference to accompanying drawing 2; The last diaphragm seal of sealing member 31 and sealing base 32 arc ports are through a brood lac fixed bonding together, and are same, and lower sealing piece is also through on gluing another end face that is connected on sealing base 32.Last diaphragm seal forms the arc structure of indent on this arc port; The slit 314 that is positioned on the diaphragm seal is positioned on the extreme lower position of indent.
With reference to accompanying drawing 7, in the present embodiment, remaining needle is when dispatching from the factory; Sealing base and needle tubing assembly 6 through its fixedly thread be connected; Puncture draw point on the remaining needle needle tubing assembly passes soft conduit 1, and exposes needle point, and catheter block 2 is connected with needle tubing assembly 6 through no needle adapter 3.
It is identical with prior art that this utility model is not stated part.
Claims (7)
1. remaining needle is prevented the hemorrhage conduit tube component; The catheter block (2) that includes soft conduit (1) and be connected with conduit (1) one end; It is characterized in that; Also including a kind of sealing does not have needle adapter (3), and this no needle adapter (3) includes sealing base (32) and sealing member (31), and an end of sealing base (32) is installed in the outer end of catheter block (2); Sealing member (31) is soft elastic component; Constitute by incorporate diaphragm seal (311), lower sealing piece (313) and the intermediate seal section (312) of going up; The end face of last diaphragm seal (311) is provided with one and passes airtight slit, center (314), and intermediate seal section (312) is passed via last diaphragm seal (311) in this slit (314); Connect lower sealing piece (313), slit (314) length is greater than last diaphragm seal radius; Sealing base (32) has the cylindrical cavity that connects about; Sealing member (31) is installed in this inner chamber of sealing base (32); Last diaphragm seal (311) and lower sealing piece (313) be airtight respectively to be fixed on the vertical both ends of the surface of inner chamber of sealing base (32), has redundant space between intermediate seal section (312) and the cylindrical cavity.
2. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component, it is characterized in that, an end face of sealing base (32) is a curved end, and the last diaphragm seal (311) of sealing member (31) is fixedly connected with this curved end and forms the arc structure of indent.
3. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component; It is characterized in that; Has the protruding tongue of a kind of triangle cylindricality (315) on lower sealing piece (313) outside end face of sealing member (31); One lateral column face is positioned on the slit, and the slit outlet in the sealing member overlaps with the microscler pinnacle that the other both sides cylinder of the protruding tongue of triangle cylindricality (315) forms.
4. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component; It is characterized in that intermediate seal section (312) is a kind of flat-shaped structure, two sides are the plane perhaps; Or a kind of arcwall face, the slit (314) of sealing member (31) coincides with the axle center face of this flat-shaped structure.
5. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component, it is characterized in that, the last diaphragm seal (311) of sealing member (31) is fixedly connected through a kind of viscose with sealing base (32) with lower sealing piece (313).
6. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component, it is characterized in that, the last diaphragm seal (311) of sealing member (31) is installed in an end face of sealing base (32) with a kind of tight fit.
7. remaining needle according to claim 1 is prevented the hemorrhage conduit tube component; It is characterized in that; Be distributed with fixedly thread (321) on the outside end face of sealing base (32), sealing base (32) is through the fixedly flexible connection of thread (321) realization and infusion connector or indwelling needle catheter seat or needle tubing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202034841U CN202122761U (en) | 2011-06-16 | 2011-06-16 | Hemorrhage-preventive catheter component of retention needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202034841U CN202122761U (en) | 2011-06-16 | 2011-06-16 | Hemorrhage-preventive catheter component of retention needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202122761U true CN202122761U (en) | 2012-01-25 |
Family
ID=45485836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202034841U Expired - Lifetime CN202122761U (en) | 2011-06-16 | 2011-06-16 | Hemorrhage-preventive catheter component of retention needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202122761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768082A (en) * | 2022-04-22 | 2022-07-22 | 谱高医疗科技(南京)有限公司 | Y-shaped connecting valve |
| CN116899047A (en) * | 2023-08-04 | 2023-10-20 | 江苏采纳医疗科技有限公司 | Remaining needle |
-
2011
- 2011-06-16 CN CN2011202034841U patent/CN202122761U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768082A (en) * | 2022-04-22 | 2022-07-22 | 谱高医疗科技(南京)有限公司 | Y-shaped connecting valve |
| CN116899047A (en) * | 2023-08-04 | 2023-10-20 | 江苏采纳医疗科技有限公司 | Remaining needle |
| CN116899047B (en) * | 2023-08-04 | 2024-04-26 | 江苏采纳医疗科技有限公司 | Remaining needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101015721A (en) | Artery-vein catherter preventing blood outflow provided with blood sampling opening | |
| CN203355007U (en) | Needleless transfusion connector | |
| CN218572631U (en) | Tearable anti-reflux catheter sheath with extension tube | |
| CN202122761U (en) | Hemorrhage-preventive catheter component of retention needle | |
| WO2012171193A1 (en) | Anti-overflow catheter assembly for indwelling needle | |
| CN201248965Y (en) | Medical connecting device | |
| CN201370832Y (en) | Disposable two-way infusion set | |
| CN101357250B (en) | Connecting device for medical purposes | |
| CN201631868U (en) | Peripherally vein inserted central venous catheter | |
| CN203577049U (en) | Self-exhaust type infusion apparatus capable of automatically stopping liquid | |
| CN203694231U (en) | Needle-free connecting piece type infusion apparatus | |
| CN209548436U (en) | Connector and drainage wash system are rinsed in urethral catheterization | |
| CN219941436U (en) | Elastic vascular catheter connector | |
| CN203647772U (en) | Disposable oxygen dissolver | |
| CN209237048U (en) | Disposable multifunction connector | |
| CN203227114U (en) | Infusion connecting tube | |
| CN212038597U (en) | Needleless positive pressure joint | |
| CN203724465U (en) | Disposable dispensing connector | |
| CN203555989U (en) | Medical asepsis connecting device | |
| CN201783022U (en) | Disposable infusion device with anti-leak protective cover | |
| CN201759933U (en) | Integral infusion bottle inserting needle with steel needle | |
| CN214633180U (en) | Portable catheter | |
| CN202427051U (en) | Automatic exhaust valve device for transfusion | |
| CN210667272U (en) | Venous indwelling needle tube sealing operation training device | |
| CN202875938U (en) | Infusion apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN BESTWAY MED-MACROMOLECULE CORP. Free format text: FORMER OWNER: CHEN YONGXI Effective date: 20120716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 350005 FUZHOU, FUJIAN PROVINCE TO: 350000 FUZHOU, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120716 Address after: Fuzhou City, Fujian province 350000 Industrial Road, Taijiang District No. 193 Baolong city square southwest side Xiaobailou 2 layer 202 Patentee after: Fuzhou Bestway Med-Macromolecule Corp. Address before: Fu Taijiang Village District of Fuzhou City, Fujian province 350005 15 3 Building No. 305 Patentee before: Chen Yongxi |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |